Tag Archives: hydraulic drive

China OEM Hydraulic Spare Parts for A4vso A4vg Control Valve Drive Shaft Series Piston Pump Factory Sale wholesaler

Product Description

Product Parameters

 

Product Name

   Customized valve parts

Materials

Brass, Copper, Stainless Steel, others as client requests

Production Process

High Precision Grinding

Minimum Order Quantity

100pcs

Lead Time

15-20 days

Payment Term

T/T, Western Union

Services

OEM&ODM, 

Others

Sample order and small orders are acceptable

 

Production process

 

 

Company Profile

The company passed the ISO9001 international quality management system certification. From product development, manufacturing to sales, to establish a comprehensive adaptation of effective quality assurance system, so there is likely to affect all aspects of product quality and quality of work are in under tight surveillance, has won the trust of customers at home and abroad!

 

Certifications

Packaging & Shipping

FAQ

1, Are you trading company or factory?
We are factory located in ZheJiang , China

2, How long is the delivery time?
Normally is 10-15days, because our products are OEM.

3, What’s your payment terms?
Payment–1000USD, 100% in advance.Payment=1000USD, 30% T/T in advance balance before shippment.

4, Do you accept small orders?
Yes, we do.

Screw Sizes and Their Uses

Screws have different sizes and features. This article will discuss screw sizes and their uses. There are 2 main types: right-handed and left-handed screw shafts. Each screw features a point that drills into the object. Flat tipped screws, on the other hand, need a pre-drilled hole. These screw sizes are determined by the major and minor diameters. To determine which size of screw you need, measure the diameter of the hole and the screw bolt’s thread depth.

The major diameter of a screw shaft

The major diameter of a screw shaft is the distance from the outer edge of the thread on 1 side to the tip of the other. The minor diameter is the inner smooth part of the screw shaft. The major diameter of a screw is typically between 2 and 16 inches. A screw with a pointy tip has a smaller major diameter than 1 without. In addition, a screw with a larger major diameter will have a wider head and drive.
The thread of a screw is usually characterized by its pitch and angle of engagement. The pitch is the angle formed by the helix of a thread, while the crest forms the surface of the thread corresponding to the major diameter of the screw. The pitch angle is the angle between the gear axis and the pitch surface. Screws without self-locking threads have multiple starts, or helical threads.
The pitch is a crucial component of a screw’s threading system. Pitch is the distance from a given thread point to the corresponding point of the next thread on the same shaft. The pitch line is 1 element of pitch diameter. The pitch line, or lead, is a crucial dimension for the thread of a screw, as it controls the amount of thread that will advance during a single turn.
screwshaft

The pitch diameter of a screw shaft

When choosing the appropriate screw, it is important to know its pitch diameter and pitch line. The pitch line designates the distance between adjacent thread sides. The pitch diameter is also known as the mean area of the screw shaft. Both of these dimensions are important when choosing the correct screw. A screw with a pitch of 1/8 will have a mechanical advantage of 6.3. For more information, consult an application engineer at Roton.
The pitch diameter of a screw shaft is measured as the distance between the crest and the root of the thread. Threads that are too long or too short will not fit together in an assembly. To measure pitch, use a measuring tool with a metric scale. If the pitch is too small, it will cause the screw to loosen or get stuck. Increasing the pitch will prevent this problem. As a result, screw diameter is critical.
The pitch diameter of a screw shaft is measured from the crest of 1 thread to the corresponding point on the next thread. Measurement is made from 1 thread to another, which is then measured using the pitch. Alternatively, the pitch diameter can be approximated by averaging the major and minor diameters. In most cases, the pitch diameter of a screw shaft is equal to the difference between the two.

The thread depth of a screw shaft

Often referred to as the major diameter, the thread depth is the outermost diameter of the screw. To measure the thread depth of a screw, use a steel rule, micrometer, or caliper. In general, the first number in the thread designation indicates the major diameter of the thread. If a section of the screw is worn, the thread depth will be smaller, and vice versa. Therefore, it is good practice to measure the section of the screw that receives the least amount of use.
In screw manufacturing, the thread depth is measured from the crest of the screw to the root. The pitch diameter is halfway between the major and minor diameters. The lead diameter represents the amount of linear distance traveled in 1 revolution. As the lead increases, the load capacity decreases. This measurement is primarily used in the construction of screws. However, it should not be used for precision machines. The thread depth of a screw shaft is essential for achieving accurate screw installation.
To measure the thread depth of a screw shaft, the manufacturer must first determine how much material the thread is exposed to. If the thread is exposed to side loads, it can cause the nut to wedge. Because the nut will be side loaded, its thread flanks will contact the nut. The less clearance between the nut and the screw, the lower the clearance between the nut and the screw. However, if the thread is centralized, there is no risk of the nut wedgeing.
screwshaft

The lead of a screw shaft

Pitch and lead are 2 measurements of a screw’s linear distance per turn. They’re often used interchangeably, but their definitions are not the same. The difference between them lies in the axial distance between adjacent threads. For single-start screws, the pitch is equal to the lead, while the lead of a multi-start screw is greater than the pitch. This difference is often referred to as backlash.
There are 2 ways to calculate the pitch and lead of a screw. For single-start screws, the lead and pitch are equal. Multiple-start screws, on the other hand, have multiple starts. The pitch of a multiple-start screw is the same as its lead, but with 2 or more threads running the length of the screw shaft. A square-thread screw is a better choice in applications requiring high load-bearing capacity and minimal friction losses.
The PV curve defines the safe operating limits of lead screw assemblies. It describes the inverse relationship between contact surface pressure and sliding velocity. As the load increases, the lead screw assembly must slow down in order to prevent irreversible damage from frictional heat. Furthermore, a lead screw assembly with a polymer nut must reduce rpm as the load increases. The more speed, the lower the load capacity. But, the PV factor must be below the maximum allowed value of the material used to make the screw shaft.

The thread angle of a screw shaft

The angle between the axes of a thread and the helix of a thread is called the thread angle. A unified thread has a 60-degree angle in all directions. Screws can have either a tapped hole or a captive screw. The screw pitch is measured in millimeters (mm) and is usually equal to the screw major diameter. In most cases, the thread angle will be equal to 60-degrees.
Screws with different angles have various degrees of thread. Originally, this was a problem because of the inconsistency in the threading. However, Sellers’s thread was easier to manufacture and was soon adopted as a standard throughout the United States. The United States government began to adopt this thread standard in the mid-1800s, and several influential corporations in the railroad industry endorsed it. The resulting standard is called the United States Standard thread, and it became part of the ASA’s Vol. 1 publication.
There are 2 types of screw threads: coarse and fine. The latter is easier to tighten and achieves tension at lower torques. On the other hand, the coarse thread is deeper than the fine one, making it easier to apply torque to the screw. The thread angle of a screw shaft will vary from bolt to bolt, but they will both fit in the same screw. This makes it easier to select the correct screw.
screwshaft

The tapped hole (or nut) into which the screw fits

A screw can be re-threaded without having to replace it altogether. The process is different than that of a standard bolt, because it requires threading and tapping. The size of a screw is typically specified by its major and minor diameters, which is the inside distance between threads. The thread pitch, which is the distance between each thread, is also specified. Thread pitch is often expressed in threads per inch.
Screws and bolts have different thread pitches. A coarse thread has fewer threads per inch and a longer distance between threads. It is therefore larger in diameter and longer than the material it is screwed into. A coarse thread is often designated with an “A” or “B” letter. The latter is generally used in smaller-scale metalworking applications. The class of threading is called a “threaded hole” and is designated by a letter.
A tapped hole is often a complication. There is a wide range of variations between the sizes of threaded holes and nut threads, so the tapped hole is a critical dimension in many applications. However, even if you choose a threaded screw that meets the requisite tolerance, there may be a mismatch in the thread pitch. This can prevent the screw from freely rotating.

China OEM Hydraulic Spare Parts for A4vso A4vg Control Valve Drive Shaft Series Piston Pump Factory Sale wholesaler China OEM Hydraulic Spare Parts for A4vso A4vg Control Valve Drive Shaft Series Piston Pump Factory Sale wholesaler

China best Manufacturer Cutter Suction Sand Mud in River Port Government Tender Bangladesh Hydraulic /Electric Drive with Good quality

Product Description

Manufacturer Cutter Suction Sand Mud in River Port Government Tender Bangladesh Hydraulic /Electric Drive

1) Products Profile:
Cutter Suction Dredger is self-propelled or non self-propelled, portable cutter dredger. Hull can be dismantled and re-assemble easily with box structure, equipped with horizontal shifting devices, cutter ladder lifting devices, spud devices, deck crane and so on. Widly used in sand-excavaing, river dredging, desiliting , reclamation for channels and land, port construction, etc.

  1. Wide range of use applications
  2. High efficiency, large output, long pump distance, low fuel consumption
  3. Rexroth, CZPT full hydraulic control 
  4. Siemens PLC is easy to operate
  5. Engine choiced from Weichai, Cummins, Caterpillar and more. 
  6. Equipped with Australian Warman technology dredge pump
  7. The modular design enables fast assembly with HID seniors engineers 
  8. Dredger components available in factories to allow short delivery times 
  9. Control the working process of dredging and pumping, delivering dredged materials. lower cost;
  10. Follow manufacture guideline: CCS-ZC standard
  11. CE ISO certificates acquired to prove high quality 
  12. Western Dredge brand parts, easy to find globally 
  13. Can choose reliable Chinese brand parts to lower costs 
  14. Gain access to our sales team, design team, manufacture team 24/7
  15. Lifetime Technical Assistance 

2) Technical specification

(1) Brief Specification of hot selling model:

Model Sand and solid capacity  Max. dredging depth  Discharge distance
HJ 200 160m3/h  8m  800m
HJ 250 200 m3/h  9m  1000m
HJ 300 300 m3/h  10m  1200m
HJ 350 400 m3/h  11m  1500m
HJ 400 500 m3/h  13m  1500m
HJ 450 600 m3/h  14m  1500m
HJ 500 800 m3/h  15m  2000m
HJ 550 900 m3/h  16m  2000m
HJ 600 1100 m3/h  16m  2000m
HJ 650 1200 m3/h  16m  2100m
HJ 700 1400 m3/h  17m  2200m
HJ 800 1500 m3/h  17m  2500m
HJ 300D 500 m3/h  16m  1500m
HJ 400D 825 m3/h  22m  1500m
HJ 500D 1000 m3/h  25m  2000m
HJ 600D 1800 m3/h  25m  2000m
HJ 700D 2250 m3/h  28m  2500m
HJ 800D 2400 m3/h  30m  2500m

(2) Detail specification of model HJ300:

Model HJ300
LOA 26.0m
Hull size (L*B*H) 19.0*6.2*2.0m
Main pontoon (L*B*H) 19.0*2.2*2.0m
Side Pontoon (L*B*H) 16.0*2.0*2.0m
Structure Box-structure
Main engine brand & power Cummins 477kw
Auxiliary engine brand & power Cummins 224kw
Head 40m
Max. dredging depth 10m
water flow 1500m³/h
Solid sand capacity 300m³/h
Discharge Distance 1200m
Draught 1.3m
Total Weight 70T

★ All these parameters are just for reference. We can provide the machine according to your different requirements.

3) Dredgers Production in Workshop:

4) Haijie Dredgers Parts:

5) Packing &Shipping:
* Smaller size dredger will be transported by container, and engineers will go to job site to assembly, testing and training.
* Bigger size dredger with diapatchable constructure, will be transported by trailer truck on land and by bulk cargo ship by sea.

6) Aftersale Service:
1.Profestional people serve the technical consult.
2.All the dredgers can be coustomed.
3.We are factory which can provide the higher quality and lower price.
4.Free field Installation,commissioning,training and and free product drawings.
5.Provide professional service and providesolution in a timely manner.
6.Free repair if quality problems happen.
7. Responsible Sales team, design team, manufacture team available 24/7 to best serve clients 
8. Offering spare parts at a discounted price 

7) Company Information:
HangZhou HAIJIE Machinery Equipment Co.,Ltd is a famous manufacter of engineering equipment in China and even in the world,which is mainly engaged in cutter suction  dredger,dredging machine and sand dredging machine.The compony has more than 100employees,with intenal organizatin inteqrity,advanced management methods. 

8) Customer Visiting:

9) FAQ:

Q: Are you trading company or manufacturer ? 
A: We are factory.

Dredger Sand Suction machine for river dredging

Q: I never used this kind of machine, how should i do?

A:Our engineers will CZPT you in the installation and use, and we will offer english manual and CZPT video.
And when our enginner install for you abroad, they will train your staff for free.

Dredger Sand Suction machine for river dredging

Q: Warranty period?

A:We provide 1 year warranty and free repair .We will send you the broken parts in warranty period. Pls feel free to contact me by Email/Skype/Whatsapp 24hours.

Q2, What are the services the Haijie company is providing?
 
A: Free dredger consultation, drawing design, customization, on-site visits, 24/7 availability, free assembly, training, operation testing, and lifetime technical assistance.

10)Certificates:

11)Contact Information:

 If you need further information about our products, please send your message to me in below form. 

Stiffness and Torsional Vibration of Spline-Couplings

In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
splineshaft

Stiffness of spline-coupling

The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
splineshaft

Characteristics of spline-coupling

The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.

Stiffness of spline-coupling in torsional vibration analysis

This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
splineshaft

Effect of spline misalignment on rotor-spline coupling

In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.

China best Manufacturer Cutter Suction Sand Mud in River Port Government Tender Bangladesh Hydraulic /Electric Drive with Good qualityChina best Manufacturer Cutter Suction Sand Mud in River Port Government Tender Bangladesh Hydraulic /Electric Drive with Good quality

China best Putzmeister Concrete Pump Parts Hydraulic Drive Motor with Hot selling

Product Description

Putzmeister Concrete Pump Parts Hydraulic Drive Motor 

Hanjiu BMH= OMH=M+S MH
BMH series motor adapt the advanced Geroler gear set design with shaft distribution flow, which
can automatically compensate in operating with high pressure, provide reliable and smooth operation,
high efficiency and long life.Hydraulic Drive Motor BMH usually have a drain connection for the internal leakage, which means that when the power unit is turned off the hydraulic motor in the drive system will move slowly if an external load is acting on it. Thus, for applications such as a winch with suspended load, there is always a need for a brake or a locking device.

 

 
Specifications:

Type

BMH

200

BMH

250

BMH

315

BMH

400

 

 

 

Displacement

(cc/rev)

 203.2 255.9 316.5 406.4  

Max torque

(n.m)

 cont 510 621 740 850  
  int 439 348 282 220  

Max pressure

(mpa)

 cont 17.5 17.5 17.5 15.5  
  int 20 20 20 19  

Max speed rate

(rpm)

 cont 366 290 236 183  
  int 439 348 282 220  

Max flow

(L/min)

 cont 75 75 75 75  
  int 90 90 90 90  

Weight(kg)

 

 10.5 11 11.5 12.3  

 

 

Characteristics:

 

This motor produced by CZPT Technology from China, it’s a alternative gerotor hydraulic motor to OMH series, also alternative with M+S MH series, and alternative with many other manufacturers from USA and European.

 

 

What benefit can i get?

 

As it’s performance is 98% near the below manufacturers, however it’s price is more than 50% lower than the below manufacturers, it has been widely used in the Agricultural, forestry, mining machinery, construction plant, access platforms, special vehicles, aeria plant, and many more hydraulic systems that need rolling, lifting, conveying applications.

  • Hanjiu BMH-500-4MDB = OMH series, from Danmark
  • Hanjiu BMH-500-4MDB = M+S MH series, from Bulgaria
  • we have strong ability to match OEM part no. and provide you.
  • BMH-500-4MDB replace Putzmeister OEM 
  • BMH-500-4MDB replace  151H1016

This motor is widely used on concrete pumps of Putzmeister, Schwing, Sebhsa, Sermac, Daf, Man, Mercedes-Benz,…If you are in construction aftermarket parts industry, this motor will help you to enlarge your market, If you sell $1,000,000 a year, you raise profit by at least 30%, f you sell $1,000,000 a year, your profit raised by at least $300,000.

 

  • BMH-500-4MDB
  • 151H1016
  • 35mm shaft, 10x8x45
  • 4 hole oval flange
  • pilot 82.55mm
  • oil ports G1/2
  • drain case G1/4

APPLICATIONS:

  •  Agricultural planting,  
  •  Ground care, Sweeping and Mowing machinery,
  •  Construction,
  •  Forestry, 
  •  wood processing and cutting, 
  •  Farmland irrigation winch ,
  •  Winch Wood from deforestation, 
  •  Construction machinery and platform,
  •  Pilling machines, 
  •  Oceanographic research winch,
  •  Nautical equipment and winches for fishing boats, 
  •  Towing and mooring winches, and many more.

 

 
 

 

 

Reference Brand List:

 

HXIHU (WEST LAKE) DIS.U M+S EATON   ROSS WHITE PARKER SAM BOSCH  
HYDRAULIC HYDRAULIC CHAR LYNN TRW CROSS BREVINI REXROTH  
     
BMM MM   OMM         MGX  
  MLHK J SERIES   – – – BGM    
BMP/BM1 MP   OMP MF WP TC BG MGP, GMP  
            TE      
  HP H SERIES DH MG RS TB      
BMR/BM2 MR   OMR MB WR   BR MGR, GMR  
  HR S,T SERIES DS   RE TF      
  MLHRW, RW W SERIES OMEW            
BMH/BM4 MH   OMH            
  MLHH     ME          
  HW, HWF       RE TG      
BMS/BM5 MS, MSY   OMS     TG   MGS, GMS  
              HPR    
  MLHS 2000 SERIES   ME RE        
BMT/BM6 MT   OMT         MGT, GMT  
  MLHT 6000 SERIES   MJ     HT    
  MTM   TMT            
BMV MV   OMV         MGV, GMV  
  MLHV 10000 SERIES            

 

 

Advantages:

Low pressure start;
Reinforced shaft seal;
High startup torque and ability to withstand significant back pressures;
The ability to transfer axial and radial loads ;
Compact volume and easy installation.

 

How to work with US

  • discuss your demand with us first
  • we help you to confirm the products
  • match with our models
  • discuss your demand quantity with us, this will help us to provide you our best offer
  • we make a deal on the offer
  • sign a contract
  • you pay deposit
  • we produce
  • you pay balance payment after order ready for shipping
  • dispatch order
  • Payment terms: 30% deposit, 70% balance should be paid before shipping
  • Shipping: by sea, by air, by train
  • Terms: FOB, CFR, CIF
  • Loading port: ZheJiang , HangZhou, ZheJiang , HangZhou, China

 

 

 

Our company:

 

 

Elephant Fluid Power has been engaged in the hydraulic business since the beginning of the 20th century. It has a history of nearly 20 years and has always been upholding the principles of “quality first”, “credit first” and “zero complaint”, and has become a new leader in the hydraulics industry. CZPT Fluid Power insists on good products, good service, and has been providing customers with better, more comprehensive hydraulic products, and constantly.

 

We are looking for good long business partner and friendship.

 

If you are interested in our products, please contact me, I will provide the best price support and quality service.
I believe we will establish a good and long-term cooperation.

 

 

 

Driveshaft structure and vibrations associated with it

The structure of the drive shaft is critical to its efficiency and reliability. Drive shafts typically contain claw couplings, rag joints and universal joints. Other drive shafts have prismatic or splined joints. Learn about the different types of drive shafts and how they work. If you want to know the vibrations associated with them, read on. But first, let’s define what a driveshaft is.
air-compressor

transmission shaft

As the demand on our vehicles continues to increase, so does the demand on our drive systems. Higher CO2 emission standards and stricter emission standards increase the stress on the drive system while improving comfort and shortening the turning radius. These and other negative effects can place significant stress and wear on components, which can lead to driveshaft failure and increase vehicle safety risks. Therefore, the drive shaft must be inspected and replaced regularly.
Depending on your model, you may only need to replace 1 driveshaft. However, the cost to replace both driveshafts ranges from $650 to $1850. Additionally, you may incur labor costs ranging from $140 to $250. The labor price will depend on your car model and its drivetrain type. In general, however, the cost of replacing a driveshaft ranges from $470 to $1850.
Regionally, the automotive driveshaft market can be divided into 4 major markets: North America, Europe, Asia Pacific, and Rest of the World. North America is expected to dominate the market, while Europe and Asia Pacific are expected to grow the fastest. Furthermore, the market is expected to grow at the highest rate in the future, driven by economic growth in the Asia Pacific region. Furthermore, most of the vehicles sold globally are produced in these regions.
The most important feature of the driveshaft is to transfer the power of the engine to useful work. Drive shafts are also known as propeller shafts and cardan shafts. In a vehicle, a propshaft transfers torque from the engine, transmission, and differential to the front or rear wheels, or both. Due to the complexity of driveshaft assemblies, they are critical to vehicle safety. In addition to transmitting torque from the engine, they must also compensate for deflection, angular changes and length changes.

type

Different types of drive shafts include helical shafts, gear shafts, worm shafts, planetary shafts and synchronous shafts. Radial protruding pins on the head provide a rotationally secure connection. At least 1 bearing has a groove extending along its circumferential length that allows the pin to pass through the bearing. There can also be 2 flanges on each end of the shaft. Depending on the application, the shaft can be installed in the most convenient location to function.
Propeller shafts are usually made of high-quality steel with high specific strength and modulus. However, they can also be made from advanced composite materials such as carbon fiber, Kevlar and fiberglass. Another type of propeller shaft is made of thermoplastic polyamide, which is stiff and has a high strength-to-weight ratio. Both drive shafts and screw shafts are used to drive cars, ships and motorcycles.
Sliding and tubular yokes are common components of drive shafts. By design, their angles must be equal or intersect to provide the correct angle of operation. Unless the working angles are equal, the shaft vibrates twice per revolution, causing torsional vibrations. The best way to avoid this is to make sure the 2 yokes are properly aligned. Crucially, these components have the same working angle to ensure smooth power flow.
The type of drive shaft varies according to the type of motor. Some are geared, while others are non-geared. In some cases, the drive shaft is fixed and the motor can rotate and steer. Alternatively, a flexible shaft can be used to control the speed and direction of the drive. In some applications where linear power transmission is not possible, flexible shafts are a useful option. For example, flexible shafts can be used in portable devices.
air-compressor

put up

The construction of the drive shaft has many advantages over bare metal. A shaft that is flexible in multiple directions is easier to maintain than a shaft that is rigid in other directions. The shaft body and coupling flange can be made of different materials, and the flange can be made of a different material than the main shaft body. For example, the coupling flange can be made of steel. The main shaft body is preferably flared on at least 1 end, and the at least 1 coupling flange includes a first generally frustoconical projection extending into the flared end of the main shaft body.
The normal stiffness of fiber-based shafts is achieved by the orientation of parallel fibers along the length of the shaft. However, the bending stiffness of this shaft is reduced due to the change in fiber orientation. Since the fibers continue to travel in the same direction from the first end to the second end, the reinforcement that increases the torsional stiffness of the shaft is not affected. In contrast, a fiber-based shaft is also flexible because it uses ribs that are approximately 90 degrees from the centerline of the shaft.
In addition to the helical ribs, the drive shaft 100 may also contain reinforcing elements. These reinforcing elements maintain the structural integrity of the shaft. These reinforcing elements are called helical ribs. They have ribs on both the outer and inner surfaces. This is to prevent shaft breakage. These elements can also be shaped to be flexible enough to accommodate some of the forces generated by the drive. Shafts can be designed using these methods and made into worm-like drive shafts.

vibration

The most common cause of drive shaft vibration is improper installation. There are 5 common types of driveshaft vibration, each related to installation parameters. To prevent this from happening, you should understand what causes these vibrations and how to fix them. The most common types of vibration are listed below. This article describes some common drive shaft vibration solutions. It may also be beneficial to consider the advice of a professional vibration technician for drive shaft vibration control.
If you’re not sure if the problem is the driveshaft or the engine, try turning on the stereo. Thicker carpet kits can also mask vibrations. Nonetheless, you should contact an expert as soon as possible. If vibration persists after vibration-related repairs, the driveshaft needs to be replaced. If the driveshaft is still under warranty, you can repair it yourself.
CV joints are the most common cause of third-order driveshaft vibration. If they are binding or fail, they need to be replaced. Alternatively, your CV joints may just be misaligned. If it is loose, you can check the CV connector. Another common cause of drive shaft vibration is improper assembly. Improper alignment of the yokes on both ends of the shaft can cause them to vibrate.
Incorrect trim height can also cause driveshaft vibration. Correct trim height is necessary to prevent drive shaft wobble. Whether your vehicle is new or old, you can perform some basic fixes to minimize problems. One of these solutions involves balancing the drive shaft. First, use the hose clamps to attach the weights to it. Next, attach an ounce of weight to it and spin it. By doing this, you minimize the frequency of vibration.
air-compressor

cost

The global driveshaft market is expected to exceed (xxx) million USD by 2028, growing at a compound annual growth rate (CAGR) of XX%. Its soaring growth can be attributed to several factors, including increasing urbanization and R&D investments by leading market players. The report also includes an in-depth analysis of key market trends and their impact on the industry. Additionally, the report provides a comprehensive regional analysis of the Driveshaft Market.
The cost of replacing the drive shaft depends on the type of repair required and the cause of the failure. Typical repair costs range from $300 to $750. Rear-wheel drive cars usually cost more. But front-wheel drive vehicles cost less than four-wheel drive vehicles. You may also choose to try repairing the driveshaft yourself. However, it is important to do your research and make sure you have the necessary tools and equipment to perform the job properly.
The report also covers the competitive landscape of the Drive Shafts market. It includes graphical representations, detailed statistics, management policies, and governance components. Additionally, it includes a detailed cost analysis. Additionally, the report presents views on the COVID-19 market and future trends. The report also provides valuable information to help you decide how to compete in your industry. When you buy a report like this, you are adding credibility to your work.
A quality driveshaft can improve your game by ensuring distance from the tee and improving responsiveness. The new material in the shaft construction is lighter, stronger and more responsive than ever before, so it is becoming a key part of the driver. And there are a variety of options to suit any budget. The main factor to consider when buying a shaft is its quality. However, it’s important to note that quality doesn’t come cheap and you should always choose an axle based on what your budget can handle.

China best Putzmeister Concrete Pump Parts Hydraulic Drive Motor with Hot sellingChina best Putzmeister Concrete Pump Parts Hydraulic Drive Motor with Hot selling

China Best Sales Hydraulic or Electric Drive with Corresponding Gearboxes Specific Duty and Frequent Usage High Performance Dredge Vessel Winches wholesaler

Product Description

Marine winch OEM for boat industrial marine winches

 

Relong hydraulic winch has its own valve group, so that it makes the hydraulic system more simple and increases the stability of the transmission device. The hydraulic valve group of Relong winch solves the problem of empty hook vibrating and falling again during hoisting. So winch can lift and put down stably. When starting and working, CZPT winch is high efficiency, low energy consumption, low noise, and beautiful form. hydraulic winch can be used on the following applications: Traction equipment of gravity crushing Pedrail crane and ship crane Automobile crane Pipe hoist machine Grab bucket Drilling machine with crushing function.

 

Features

1. Last for long as it is very durable. With proper care and maintenance such as replacing worn-out parts, a hydraulic winch will serve you for a very long time.
2. It has the capacity to operate very heavy loads especially for those that an electric winch does not have the capacity for.
3. They also work continuously as long as the engine is running. We usually advise electric winches to be used for smaller projects, as without an electric supply, they will not function.
4. For hydraulic winches, can work for long periods of time as long as the engine is working. Especially during ship launching and vessel upgrading projects, when the CZPT situation plays a role in the project operation, the winch may be required to perform consistently at longer periods of time

Application

All products

Quality Control

Company Overview

RELONG TECHNOLOGY CO, LTD is a high-tech enterprise focusing on designing, manufacturing assembly, and operation management of environmental protection projects and machinery with more than 20 years of experience.

Our main product is an automatic aquatic weeds harvester. It is mainly used to collect floating garbage, aquatic vegetation, and salvage in reservoirs, rivers, lakes, and coastal areas.

In addition, we have our own R & D team and independent factory production to save production time.

certificate
Cases

FAQ
 

How long is the delivery time of your equipment?
–Within 15-20 days after receiving the deposit.
2. How to install the machine?
–If need the seller’s installation help, the seller will send 1 (1) technologist to Your workplace to conduct installation and
train 3-5 workers to operate the machine, buyer shall arrange at least 3-5 workers to work with the engineers.
3. How long is the equipment warranty period?
— We provide a 12-months warranty for the quality of the diesel engine/generator, motor water pump (impeller is 6months), storage battery, but not responsible for rust.

 

What Are Screw Shaft Threads?

A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You’ll have a better understanding of your screw shaft’s threads after reading this article. Here are some examples. Once you understand these details, you’ll be able to select the best screw nut for your needs.
screwshaft

Coefficient of friction between the mating surfaces of a nut and a screw shaft

There are 2 types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition.
The 2 types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut’s pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt’s pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.

Helix angle

In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are 2 types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw.
A screw’s helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in 2 stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
High helix screws have large leads, sometimes up to 6 times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
screwshaft

Thread angle

The thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw’s thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders’ Association in 1871.
Generally speaking, the major diameter of a screw’s threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw’s thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw’s proper function.
Helix angle and thread angle are 2 different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw’s thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.

Material

Screws have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each 1 is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they’re made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they’re a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
screwshaft

Self-locking features

Screws are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the 2 materials.
One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes’ screw, auger earth drill, screw conveyor, and micrometer.
A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw’s construction, as well as its lubrication conditions. Finally, a screw’s end fixity – the way the screw is supported – affects the performance and efficiency of a screw.
Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.

China Best Sales Hydraulic or Electric Drive with Corresponding Gearboxes Specific Duty and Frequent Usage High Performance Dredge Vessel Winches wholesaler China Best Sales Hydraulic or Electric Drive with Corresponding Gearboxes Specific Duty and Frequent Usage High Performance Dredge Vessel Winches wholesaler

China supplier Popular C Purlin Hydraulic Motor Drive Roll Forming Machine wholesaler

Product Description

Popular C Purlin Hydraulic Motor Drive roll forming machine


 

Technical parameters

Article No. Item Name Specification
       1 Width of feeding material <1000 mm coil sheet
       2  Thickness of feeding material 2 mm coil sheet
       3 Roller station 8-18 stations
       4 Shaft Diameter  75-95 mm
       5 Productivity 8-15 m/min
       6 Rollers’ material Bearing steel
       7  Shaft material  45# steel
       8 Weight 9 ton
       9 length 8-11 m
      10 Voltage 380V 50Hz 3phases
      11 Control  PLC
      12 Decoiler 8 tons
      13 Motor 22-30 kw
      14 Driving way Chain transmission
      15 Chain size 1.5-2 inch
      16 Cutting system Hydraulic cutter

We can produce too many types roofing panels roll forming machine ,especially according to your request to produce.you need provide panel drawing,feeding width,effective width,and materials thickness,then we can send you more machine details.please feel free contact me.

Packaging
1.Packaging Details:Nude,with waterproof cloth and stow-wood. Imported computer control system packed with waterproof cloth and card board.
2.Port:ZheJiang XIHU (WEST LAKE) DIS.G PortLead .
3.Time: Shipped in 35 days after payment.
Usually the welding pipe cold roll forming machine can be packed into 1 20′ feet container or 40′ feet container. We have good relationship with the shipping agent. Either you can find the shipping line at your side or we can help you.
Our service
1.We have professional team to make different kinds of roll forming machines for our customers,
from designing, processing,assembling, debugging, delivery.
2.we can send our engineer to your site and do the training for your worker. you just only bear the cost for our engineer’s air ticket,visa,accommodation,food and transpotaion in your country.
3.You can send your worker to our factory. we will teach them how to operate the machine without training charges.
4.Actually theres another cheap and easy way to choose. Every machine leave our factory with one book of operation manual. You can read through the manaul first ,and get familiar with the machine. Then we can get a video call,and teach you on-line  how to operate the machine.
5.Apart from above training course,we also provide 1 year warranty for all the easily broken part of the machine for free and whole-life technical service support.

FQA

 1. what is your guarantee period?
Guaranteed against malfunctions due to manufacturing defects for 12 months from the date of loading.
machine in my factory?
2.How to visit our company:
A.Fly to ZheJiang  airport: By high speed train From ZheJiang  Nan to HangZhou Xi (1 hour),then we can pick up you.
B.Fly to ZheJiang  Airport: By high speed train From ZheJiang  Xihu (West Lake) Dis.ao  to HangZhou Xi(4.5 hours),then we can pick up you.

 

Axle Spindle Types and Installation

Are you looking for a new axle spindle for your vehicle? If so, you’ve come to the right place. Learn more about their types, functions, and installation. After reading this article, you’ll be well on your way to finding your new axle spindle. Axle spindles are essential to your vehicle. There are several types and each has unique characteristics. Here’s how to choose the best 1 for your car.

Dimensions

Axle spindle dimensions are crucial for safe wheel support. This component experiences significant stress and load during bearing mounting and must provide sufficient strength. The axle spindle can be hot-forged or shaped to include an integral shoulder. The shape of the bearing stop region must be abruptly transitioned from a straight to a curved configuration. Dimensions of axle spindle vary with different materials, manufacturing techniques, and applications.
The bearing surfaces of the axle spindle are 1.376 inches across, while the bearing spacer is 1.061 inch across. The axle spindle is 1.376 inches long and includes a cotter pin and nut. Typical axle spindle dimensions are listed below. Some axles may have additional components to reduce their weight, while others may not have any. The number of axles and bearings is also important to consider when determining the dimensions of the axle.
The outside shape of the axle spindle 40 is similar to that of the prior art spindle 10. The outer wheel bearing region 44 is cylindrical with a diameter D 1 and an inner wheel bearing region 46. An axially-separating transition region 48 separates the inner bearing region 46 from the outer wheel bearing region 44. It is important to note that the internal diameter is generally slightly larger than the outer wheel bearing region 46.
Axle spindles can be integrally formed or welded to the housing or central beam. They can also be designed differently depending on the intended function. For example, the trailer axle spindle may have a circular or rectangular cross section. Once again, axle spindles are important for safety and longevity, so it is important to know their dimensions. You can also check online for the dimensions of axle spindles.
Driveshaft

Function

Axle spindles are crucial components of a vehicle’s suspension system. They enable a vehicle to move forward, turn, brake, and accelerate. The axle also supports the wheel bearings. In addition to supporting the wheel hub, the axle spindle connects the arms of each wheel to the chassis. This piece is also known as a steering knuckle. The axle spindle’s job is to provide sufficient strength to support the axle.
The functional elements of an axle spindle are cylindrical and have a transition region and an outer surface with an irregular pattern. They have a first and a second diameter, and are shaped to form the spindle’s beam portion and spindle region. The transition region forms a pivotal connection between the axle and the suspension. It also provides the connection between the axle and the trailer. It allows a vehicle to rotate without causing excessive vibrations.
Axle spindles can be circular in structure and are similar to those of the prior art. They support wheel hub configurations. The first end of a spindle is threaded, while the second end is open. The outer wheel bearing region has an outer surface with a diameter D1, while the inner wheel bearing region 46 has a cylindrical outer surface with a diameter D2. The transition region separates the spindle from the rest of the axle.
The spindle nut retains the wheel hub on the spindle, whereas the spindle nut holds the hub assembly in place. A spindle nut retains the wheel on the spindle. A hub cap protects the locking nut assembly and lubrication area. A hub cap is also a common component of the axle. The hub cap also provides a protective shield for the spindle nut.
Steering axle spindles do not extend to the right of the oil seal. They extend from the steering kunckle, which is pivotally joined to the steering axle beam. Despite the differences in bearing seals, wheel hub mounting means, and brake assemblies, the basic spindle configuration is the same. A spindle consists of 2 axially separated bearing regions, 1 with a larger diameter than the other, with a bearing stop adjacent to the inner bearing region.
Driveshaft

Types

The axle is the basic unit of an automobile, and it includes several components. Among these are bearings, axle housings, and wheel hubs. Bearings and axle housings take on all of the radial loads placed on them during operation. As a result, they are necessary to ensure that a vehicle is able to function at its optimum level. But if you’re not sure what these components are, they can make all the difference in your ride.
Axle type depends on a number of factors, including the amount of force produced. In some cases, the vehicle already has pre-designed axles that come in standard formats, but in other cases, a customer can order a custom-made axle for the specific needs of his vehicle. Customized axles give the vehicle operator greater control over the speed and torque of the wheels. To choose the correct axle type for your vehicle, it’s helpful to know the measurements of the axle.
Axle gear sets and lubrication passages are also different. Reverse-cut gears can’t be used in place of standard cut gears, and vice-versa. The 2 types of axle are compatible, but the spline count of the differential case must match that of the axle. It’s important to remember that a different type of axle may work with a different type of machine tool.
Different axle spindle materials have their own advantages and disadvantages. Some are more durable than others, depending on their load capacity. Disc brake hubs and axle spindles are similar to the non-braking ones, but include a rotor and a caliper yoke. The yoke design on the rotor or caliper spindle is specific for each rotor.
Bearing-type axles are the most durable. They transfer the weight of the vehicle to the axle casing. The axle housing is retained by a flange bolted to the hub, and the axle bearings are secured on the spindle by a large nut. Alternatively, axles with bearings are supported solely on the axle spindle and don’t require a hub. Floating axles are typically better for long-term operation, but may be a limited choice for vehicles.
Driveshaft

Installation

Axle spindle installation involves tightening the axle spindle nut to retain the spacer and bearing cones in position. When properly tightened, the axle spindle nut provides the clamp force required to compress the bearing spacer and bearing cone. Preloading is an important part of axle spindle installation because it optimizes bearing life by limiting the tolerance range of end play. Here are some tips on axle spindle installation.
To start the process, you should remove the axle spindle from the vehicle. If the old spindle is not a bolt-on type, a technician will need to cut the weld that holds the axle spindle in place. Then, he or she would need to thread the new spindle back into place. The axle tube must be threaded to accept the new spindle. Once the axle spindle is properly installed, the technician will need to tighten it to the specified torque.
Once the axle spindle is installed, the technician will continue tightening the nut assembly. To ensure a tight grip, the technician will rotate the outer washer while adjusting the torque level on the axle spindle nut. If the nut is not correctly torqued, it may loosen the axle spindle. In addition, improper torque can cause excessive inboard pressure on the outer nut, which can result in over or under-compression of the bearing cone.
The second axle spindle includes an inboard bearing 54 and an outboard bearing 56. The inboard bearing has an inboard surface that abuts the shoulder 26 of the axle spindle. The outboard bearing 57 is mounted on the axle spindle near its outboard end. A bearing spacer 58 is positioned between the inboard and outboard bearings. The spacer and bearing cone group comprises the bearing cones 54 and 56.
Proper alignment of the new spindle is essential for a secure fit. Taking your trailer to a licensed repair facility for a trailer spindle installation is a good idea, as a poorly installed axle can result in improper wheel tracking and premature tire wear. A licensed trailer repair facility can do this for you without much difficulty. This way, you won’t waste your time or frustration on a DIY trailer axle replacement.

China supplier Popular C Purlin Hydraulic Motor Drive Roll Forming Machine wholesaler China supplier Popular C Purlin Hydraulic Motor Drive Roll Forming Machine wholesaler

China Best Sales 8ton Road Roller Compactor Cheap Road Roller Hydraulic Drive Single Drum Vibratory Roller for Sale with Good quality

Product Description

Road Roller Factory 14 Years, OEM Factory for Famous Brands.

Buy from Xihu (West Lake) Dis.n Machinery, Get Factory Price!!! 

Road Compactor from 1ton to 16ton, Single Drum or Double Drum, Various Options Available.

Specifications:

Product: 8ton Road Roller Compactor Cheap Road Roller Hydraulic Drive Single Drum Vibratory Roller for Sale
Working Weight: 8000KG
Vibration Frequency: 50Hz
Vibration Power: 80Kn
Moving Speed: 2-15Km/h
Climbing Ability: 30 Degree
Size:  4900*1980*2750mm
Drum Diameter:  1200mm
Drum Width: 1850mm
Diesel Engine Power: 76Kw

With Removable Sheep Foot.
You can install or remove the Sheep Foot for different using situation.

The machine specifications:

This product is middle type hydraulic vibratory roller. It is mainly used for compacting various construction materials such as non-cohesive soil, sandy soil, graves, macadam aggregate mixtures. Especially suitable for compact community road, village highway, underground garage, playground and all kinds of groove earthwork backfill.

1. Hydraulic vibrating and steering, hydrotransmitterdrive.Adopts 4 cylinder water-cooling diesel engine, excellent power output.
2. Adopts hydrotransmitter, directand efficient, no clutch and gearbox, easy to operate
3. Adopts wheel-sided reducerrear axle, torque is very powerful. 3 times as durable as mechanical rear axle.
4. Ithas high speed mode, save time and tow truck to change work place. Adopts air pressure oil brake, more reliably and stably.

Shipment&Loading:
FAQ:
1:Are you a Factory or Trader:
We are professinal road roller factory for 14 years located in HangZhou City China.

2 :What is the percentage of your products exported?
80% of our products are exported to all over the world.

3 :What is the payment term?
Payment term is negotiable and there will be favorable payment terms for long-term customers. TT, L/C, D/P, depending on the cooperation time, country and contract value.

4 :What kind of logistic service do you supply?
Transportation: railway transportation, international through transport, including (international railway through transportation, Sea-rail intermodal through transportation, sea-land multimodal transportation. Means of transport: Container, LCL, FRC, ro-ro, bulk cargo, train carriage , truck, air plane.
Term: FOB, CIF, DAP, to door service, etc.

Certifications:

Contact us:

Melon Lin
—————-
Sales Manager

ZheJiang XIHU (WEST LAKE) DIS.N MACHINERY CO., LTD.
Add: Lingong Road, HangZhou City, ZheJiang Province, China

Mobile: 

Applications of Spline Couplings

A spline coupling is a highly effective means of connecting 2 or more components. These types of couplings are very efficient, as they combine linear motion with rotation, and their efficiency makes them a desirable choice in numerous applications. Read on to learn more about the main characteristics and applications of spline couplings. You will also be able to determine the predicted operation and wear. You can easily design your own couplings by following the steps outlined below.
splineshaft

Optimal design

The spline coupling plays an important role in transmitting torque. It consists of a hub and a shaft with splines that are in surface contact without relative motion. Because they are connected, their angular velocity is the same. The splines can be designed with any profile that minimizes friction. Because they are in contact with each other, the load is not evenly distributed, concentrating on a small area, which can deform the hub surface.
Optimal spline coupling design takes into account several factors, including weight, material characteristics, and performance requirements. In the aeronautics industry, weight is an important design factor. S.A.E. and ANSI tables do not account for weight when calculating the performance requirements of spline couplings. Another critical factor is space. Spline couplings may need to fit in tight spaces, or they may be subject to other configuration constraints.
Optimal design of spline couplers may be characterized by an odd number of teeth. However, this is not always the case. If the external spline’s outer diameter exceeds a certain threshold, the optimal spline coupling model may not be an optimal choice for this application. To optimize a spline coupling for a specific application, the user may need to consider the sizing method that is most appropriate for their application.
Once a design is generated, the next step is to test the resulting spline coupling. The system must check for any design constraints and validate that it can be produced using modern manufacturing techniques. The resulting spline coupling model is then exported to an optimisation tool for further analysis. The method enables a designer to easily manipulate the design of a spline coupling and reduce its weight.
The spline coupling model 20 includes the major structural features of a spline coupling. A product model software program 10 stores default values for each of the spline coupling’s specifications. The resulting spline model is then calculated in accordance with the algorithm used in the present invention. The software allows the designer to enter the spline coupling’s radii, thickness, and orientation.
splineshaft

Characteristics

An important aspect of aero-engine splines is the load distribution among the teeth. The researchers have performed experimental tests and have analyzed the effect of lubrication conditions on the coupling behavior. Then, they devised a theoretical model using a Ruiz parameter to simulate the actual working conditions of spline couplings. This model explains the wear damage caused by the spline couplings by considering the influence of friction, misalignment, and other conditions that are relevant to the splines’ performance.
In order to design a spline coupling, the user first inputs the design criteria for sizing load carrying sections, including the external spline 40 of the spline coupling model 30. Then, the user specifies torque margin performance requirement specifications, such as the yield limit, plastic buckling, and creep buckling. The software program then automatically calculates the size and configuration of the load carrying sections and the shaft. These specifications are then entered into the model software program 10 as specification values.
Various spline coupling configuration specifications are input on the GUI screen 80. The software program 10 then generates a spline coupling model by storing default values for the various specifications. The user then can manipulate the spline coupling model by modifying its various specifications. The final result will be a computer-aided design that enables designers to optimize spline couplings based on their performance and design specifications.
The spline coupling model software program continually evaluates the validity of spline coupling models for a particular application. For example, if a user enters a data value signal corresponding to a parameter signal, the software compares the value of the signal entered to the corresponding value in the knowledge base. If the values are outside the specifications, a warning message is displayed. Once this comparison is completed, the spline coupling model software program outputs a report with the results.
Various spline coupling design factors include weight, material properties, and performance requirements. Weight is 1 of the most important design factors, particularly in the aeronautics field. ANSI and S.A.E. tables do not consider these factors when calculating the load characteristics of spline couplings. Other design requirements may also restrict the configuration of a spline coupling.

Applications

Spline couplings are a type of mechanical joint that connects 2 rotating shafts. Its 2 parts engage teeth that transfer load. Although splines are commonly over-dimensioned, they are still prone to fatigue and static behavior. These properties also make them prone to wear and tear. Therefore, proper design and selection are vital to minimize wear and tear on splines. There are many applications of spline couplings.
A key design is based on the size of the shaft being joined. This allows for the proper spacing of the keys. A novel method of hobbing allows for the formation of tapered bases without interference, and the root of the keys is concentric with the axis. These features enable for high production rates. Various applications of spline couplings can be found in various industries. To learn more, read on.
FE based methodology can predict the wear rate of spline couplings by including the evolution of the coefficient of friction. This method can predict fretting wear from simple round-on-flat geometry, and has been calibrated with experimental data. The predicted wear rate is reasonable compared to the experimental data. Friction evolution in spline couplings depends on the spline geometry. It is also crucial to consider the lubrication condition of the splines.
Using a spline coupling reduces backlash and ensures proper alignment of mated components. The shaft’s splined tooth form transfers rotation from the splined shaft to the internal splined member, which may be a gear or other rotary device. A spline coupling’s root strength and torque requirements determine the type of spline coupling that should be used.
The spline root is usually flat and has a crown on 1 side. The crowned spline has a symmetrical crown at the centerline of the face-width of the spline. As the spline length decreases toward the ends, the teeth are becoming thinner. The tooth diameter is measured in pitch. This means that the male spline has a flat root and a crowned spline.
splineshaft

Predictability

Spindle couplings are used in rotating machinery to connect 2 shafts. They are composed of 2 parts with teeth that engage each other and transfer load. Spline couplings are commonly over-dimensioned and are prone to static and fatigue behavior. Wear phenomena are also a common problem with splines. To address these issues, it is essential to understand the behavior and predictability of these couplings.
Dynamic behavior of spline-rotor couplings is often unclear, particularly if the system is not integrated with the rotor. For example, when a misalignment is not present, the main response frequency is 1 X-rotating speed. As the misalignment increases, the system starts to vibrate in complex ways. Furthermore, as the shaft orbits depart from the origin, the magnitudes of all the frequencies increase. Thus, research results are useful in determining proper design and troubleshooting of rotor systems.
The model of misaligned spline couplings can be obtained by analyzing the stress-compression relationships between 2 spline pairs. The meshing force model of splines is a function of the system mass, transmitting torque, and dynamic vibration displacement. This model holds when the dynamic vibration displacement is small. Besides, the CZPT stepping integration method is stable and has high efficiency.
The slip distributions are a function of the state of lubrication, coefficient of friction, and loading cycles. The predicted wear depths are well within the range of measured values. These predictions are based on the slip distributions. The methodology predicts increased wear under lightly lubricated conditions, but not under added lubrication. The lubrication condition and coefficient of friction are the key factors determining the wear behavior of splines.

China Best Sales 8ton Road Roller Compactor Cheap Road Roller Hydraulic Drive Single Drum Vibratory Roller for Sale with Good qualityChina Best Sales 8ton Road Roller Compactor Cheap Road Roller Hydraulic Drive Single Drum Vibratory Roller for Sale with Good quality

China best Hydraulic Drive Speed Corrugated Roof Sheet Making Machines with Free Design Custom

Product Description

hydraulic drive speed corrugated roof sheet making machines

Technical parameters:
1 Cutting&Hydraulic type Cut slide/ Double CZPT pillar
2 Hydraulic motor power 3kw-7.5kw
3 Cutting  drive  Decelerating motor + Chain drive  gear all by high-frequency
4 Length measurement Encoder
5 Control System Panasonic /Siemens / Schneider / Delta PLC
6 Chain Size 1inch/2inch
7 Main Frame 300mm/350mm H-Beam or 350mm
8 Backboard Thickness 17mm/200mm
9 Feeding Material Better as your drawing or from our designer
10 Feeding Thickness 0.18mm-0.8mm
11 Effective width Better as your drawing or from our designer
12 Productivity 8-12/min
13 Roll Station 14rows(according to different design)
14 Roller Diameter  70mm/75mm(depend on different design)
15 Roller material 45# steel 
16 Cutter material Cr12 mould steel heat-treated hardness of HRC = 60-62 degrees
17 Overall Size Size of our designer
18 Total Weight  
2t-12t

Products showing

Decoiler—–feeding—– leveling —– cutting —–roll forming —– punching —– output table
 

Packaging & Shipping
1. roll forming machine and uncoiler are nude packing (If you need, we can also packed it with water-proof plastic)
2. PLC control system and motor pump are packed with water proof paper,spare parts in carton box.
3.One set of machine needs a 40′ container to shipping.

Our Services
 
1. Warranty :One year,and we will provide technical support for whole life of the equipment.
2. Delivery time: Within 35 days after deposit receipt your payment
3. Guarantee period: 18months free service/ pay service all the machine life
4. Installation and training
   If buyers visit our factory and check the machine, we will teach you how to install and use the    machine and also train your workers/technician face to face.
 
 
FAQ
 

1.Q:Are you manufacturer?  

A:Yes,we are manufacturer for cold roll forming machine over 12 years.
 

2.Q: if you can accept OEM? Design and manufacture according our photo.

A: Yes, we can accept OEM,we owned expert engineer team, professional design CAD drawings and use famous brand components according your demands.
 

3.Q:What’s the warranty for your machine? 

A: we provide 2years guarantee and provide lifetime technical support.
 

4.Q:How many workers is needed for the machine operation       

A: One worker is enough, the machine use automatic PLC control system.
 

5.Q. Do you have after sales support? 

A: Yes,Our engineer can supply remote-video technical support and online support teach your worker.

6. Q.Can you be responsible for transport?  
A.Yes,we owned expert export team, we can arrangement for you to your destination port or address.

7. Q:What service can you provide before order?
A:About the pre-sale service, We provide professional solutions according your demands,such as design,technical parameter, delivery flow etc. At the same time, we can supply invitation letter for your visit our factory and showing the machine operation for you .
 

8.Q: What is the after- sale service?

A: we will supply lifetime technical support,quick-wear parts within 2years,Also can provide field maintenance and repair service .
 

9.Q:Any other service?

A: We can help you purchase raw material for machine,help you check ship date,update for you ship date etc
 

10.Q:Any certification

A:Yes, we have SGS ISO certification. 

11.Q:How do your machines compare with other big companies in this market?
A:our factory machine only export, quality and standard are conform to world-standard, and we have good manufacture-experience for different country demands.

12.Q:Will you deliver the right goods as ordered? How can I trust you?
A: Yes, of course, reputation is our company’s life, our factory owned alibaba golden-diamond supplier,SGS certificate and CE certificate.
 

13.Q:How to visit your company?

Fly to ZheJiang airport, By high speed train From ZheJiang Nan to HangZhou Xi (1 hour), then we pick up you.

14.Q: How can we be assured that you will deliver us quality machine with spare parts?
A: welcome visit our factory at any time, check all our raw material,worker quality,factory feeling etc.

15. Q:Can you provide some spare parts?
A: Yes, of course. We will loading some quick-wear parts together with the machine.

16.Q: Does 1 machine can only produce 1 style panel profile?
A: Not exactly, we have double or 3 layer machine, 1 machine can produce 2 to 3 profiles.

17. Q:Payment Terms.
A: we can accept TT and TT+LC.

18.Q:What information you need prepare before quote me?
A: best send us your profile and raw material detail, or we can custom-made according your demands.

19.Q: I am new in this field, do not know about the machine and do not know how to operate it.

A .The machine has been installed and tested well before shipping. It is easy to operate.
Normally speaking, our customer follows the instruction book and can operate the machine well.
If you need, we can also send the technician to your factory to fix the machine and train your workers.

20.Q:What is included in the machine?  
A.The whole line includes a manual decoiler, roll forming machine, received goods table and spare parts box.

The whole line includes a manual decoiler, roll forming machine and received goods table. when you get the machine in your factory, you just need to do following 3 things, and then you can start working.

a. Put the machine on the flat level ground.

b. Inject gear oil and hydraulic oil.

c. Connect 3 phase electric wire.(Based on your local use voltage,some use 2phase )

21. I do not know about the machine and do not know how to install it. Can you install the machine in my factory?

If you need us to send engineers to your factory, you will pay for the travel expense such as visa, round tickets, hotel, food Salary of 100 USD per day per person (from departure of our factory, until engineer back to our factory). You also need to take care of his safety.

22.Q:Is the machine automatic?   
A: Yes,it can be manual or automatic

 
Company Information
 
  ZheJiang Xihu (West Lake) Dis. Imp&Exp company are specializing in the production of all kinds of Aluzinc rib roofing sheet roll forming machine,glazed roof making machine, double roof making machine, floor deck machine,curve roof machine,ridge cap roof forming machine, different sizes roofing sheet, PPGI/ GI,Alu-Zinc steel coils ,Galvanized steel coils, Galvanized steel sheet,Galvalume steel coils/sheet, cold/ hot rolled sheet/coils,professional service and favorable price, satisfied with the quality,welcome to every customers come to visit and buy ! 
 

Related machinery

How to tell if your driveshaft needs replacing

What is the cause of the unbalanced drive shaft? Unstable U-joint? Your car may make clicking noises while driving. If you can hear it from both sides, it might be time to hand it over to the mechanic. If you’re not sure, read on to learn more. Fortunately, there are many ways to tell if your driveshaft needs replacing.

unbalanced

An unbalanced driveshaft can be the source of strange noises and vibrations in your vehicle. To fix this problem, you should contact a professional. You can try a number of things to fix it, including welding and adjusting the weight. The following are the most common methods. In addition to the methods above, you can use standardized weights to balance the driveshaft. These standardized weights are attached to the shaft by welders.
An unbalanced drive shaft typically produces lateral vibrations per revolution. This type of vibration is usually caused by a damaged shaft, missing counterweights, or a foreign object stuck on the drive shaft. On the other hand, torsional vibrations occur twice per revolution, and they are caused by shaft phase shifts. Finally, critical speed vibration occurs when the RPM of the drive shaft exceeds its rated capacity. If you suspect a driveshaft problem, check the following:
Manually adjusting the imbalance of a drive shaft is not the easiest task. To avoid the difficulty of manual balancing, you can choose to use standardized weights. These weights are fixed on the outer circumference of the drive shaft. The operator can manually position the weight on the shaft with special tools, or use a robot. However, manual balancers have many disadvantages.
air-compressor

unstable

When the angular velocity of the output shaft is not constant, it is unstable. The angular velocity of the output shaft is 0.004 at ph = 29.5 and 1.9 at t = 1.9. The angular velocity of the intermediate shaft is not a problem. But when it’s unstable, the torque applied to it is too much for the machine. It might be a good idea to check the tension on the shaft.
An unstable drive shaft can cause a lot of noise and mechanical vibration. It can lead to premature shaft fatigue failure. CZPT studies the effect of shaft vibration on the rotor bearing system. They investigated the effect of flex coupling misalignment on the vibration of the rotor bearing system. They assume that the vibrational response has 2 components: x and y. However, this approach has limited application in many situations.
Experimental results show that the presence of cracks in the output shaft may mask the unbalanced excitation characteristics. For example, the presence of superharmonic peaks on the spectrum is characteristic of cracks. The presence of cracks in the output shaft masks unbalanced excitation characteristics that cannot be detected in the transient response of the input shaft. Figure 8 shows that the frequency of the rotor increases at critical speed and decreases as the shaft passes the natural frequency.

Unreliable

If you’re having trouble driving your car, chances are you’ve run into an unreliable driveshaft. This type of drivetrain can cause the wheels to stick or not turn at all, and also limit the overall control of the car. Whatever the reason, these issues should be resolved as soon as possible. Here are some symptoms to look for when diagnosing a driveshaft fault. Let’s take a closer look.
The first symptom you may notice is an unreliable drive shaft. You may feel vibrations, or hear noises under the vehicle. Depending on the cause, it could be a broken joint or a broken shaft. The good news is that driveshaft repairs are generally relatively inexpensive and take less time than a complete drivetrain replacement. If you’re not sure what to do, CZPT has a guide to replacing the U-connector.
One of the most common signs of an unreliable driveshaft is clanging and vibration. These sounds can be caused by worn bushings, loose U-joints, or damaged center bearings. This can cause severe vibration and noise. You can also feel these vibrations through the steering wheel or the floor. An unreliable driveshaft is a symptom of a bigger problem.
air-compressor

Unreliable U-joints

A car with an unreliable U-joint on the drive shaft can be dangerous. A bad u-joint can prevent the vehicle from driving properly and may even cause you trouble. Unreliable u-joints are cheap to replace and you should try getting parts from quality manufacturers. Unreliable U-joints can cause the car to vibrate in the chassis or gear lever. This is a sure sign that your car has been neglected in maintenance.
Replacing a U-joint is not a complicated task, but it requires special tools and a lot of elbow grease. If you don’t have the right tools, or you’re unfamiliar with mechanical terminology, it’s best to seek the help of a mechanic. A professional mechanic will be able to accurately assess the problem and propose an appropriate solution. But if you don’t feel confident enough, you can replace your own U-connector by following a few simple steps.
To ensure the vehicle’s driveshaft is not damaged, check the U-joint for wear and lubrication. If the U-joint is worn, the metal parts are likely to rub against each other, causing wear. The sooner a problem is diagnosed, the faster it can be resolved. Also, the longer you wait, the more you lose on repairs.

damaged drive shaft

The driveshaft is the part of the vehicle that connects the wheels. If the driveshaft is damaged, the wheels may stop turning and the vehicle may slow down or stop moving completely. It bears the weight of the car itself as well as the load on the road. So even a slight bend or break in the drive shaft can have dire consequences. Even a piece of loose metal can become a lethal missile if dropped from a vehicle.
If you hear a screeching noise or growl from your vehicle when shifting gears, your driveshaft may be damaged. When this happens, damage to the u-joint and excessive slack in the drive shaft can result. These conditions can further damage the drivetrain, including the front half. You should replace the driveshaft as soon as you notice any symptoms. After replacing the driveshaft, you can start looking for signs of wear.
A knocking sound is a sign of damage to the drive shaft. If you hear this sound while driving, it may be due to worn couplings, damaged propshaft bearings, or damaged U-joints. In some cases, the knocking noise can even be caused by a damaged U-joint. When this happens, you may need to replace the entire driveshaft, requiring a new one.
air-compressor

Maintenance fees

The cost of repairing a driveshaft varies widely, depending on the type and cause of the problem. A new driveshaft costs between $300 and $1,300, including labor. Repairing a damaged driveshaft can cost anywhere from $200 to $300, depending on the time required and the type of parts required. Symptoms of a damaged driveshaft include unresponsiveness, vibration, chassis noise and a stationary car.
The first thing to consider when estimating the cost of repairing a driveshaft is the type of vehicle you have. Some vehicles have more than one, and the parts used to make them may not be compatible with other cars. Even if the same car has 2 driveshafts, the damaged ones will cost more. Fortunately, many auto repair shops offer free quotes to repair damaged driveshafts, but be aware that such work can be complicated and expensive.

China best Hydraulic Drive Speed Corrugated Roof Sheet Making Machines with Free Design CustomChina best Hydraulic Drive Speed Corrugated Roof Sheet Making Machines with Free Design Custom

China OEM Hfw400L Top Drive Hydraulic System Water Well Drilling Rig with Free Design Custom

Product Description

HFW4
After sales:; &plus;
Accessories:;&plus;
 
Hanfa Website:;HangZhouhanfa.;en.;made-in-china.;com

Drive shaft type

The driveshaft transfers torque from the engine to the wheels and is responsible for the smooth running of the vehicle. Its design had to compensate for differences in length and angle. It must also ensure perfect synchronization between its joints. The drive shaft should be made of high-grade materials to achieve the best balance of stiffness and elasticity. There are 3 main types of drive shafts. These include: end yokes, tube yokes and tapered shafts.
air-compressor

tube yoke

Tube yokes are shaft assemblies that use metallic materials as the main structural component. The yoke includes a uniform, substantially uniform wall thickness, a first end and an axially extending second end. The first diameter of the drive shaft is greater than the second diameter, and the yoke further includes a pair of opposing lugs extending from the second end. These lugs have holes at the ends for attaching the axle to the vehicle.
By retrofitting the driveshaft tube end into a tube fork with seat. This valve seat transmits torque to the driveshaft tube. The fillet weld 28 enhances the torque transfer capability of the tube yoke. The yoke is usually made of aluminum alloy or metal material. It is also used to connect the drive shaft to the yoke. Various designs are possible.
The QU40866 tube yoke is used with an external snap ring type universal joint. It has a cup diameter of 1-3/16″ and an overall width of 4½”. U-bolt kits are another option. It has threaded legs and locks to help secure the yoke to the drive shaft. Some performance cars and off-road vehicles use U-bolts. Yokes must be machined to accept U-bolts, and U-bolt kits are often the preferred accessory.
The end yoke is the mechanical part that connects the drive shaft to the stub shaft. These yokes are usually designed for specific drivetrain components and can be customized to your needs. Pat’s drivetrain offers OEM replacement and custom flanged yokes.
If your tractor uses PTO components, the cross and bearing kit is the perfect tool to make the connection. Additionally, cross and bearing kits help you match the correct yoke to the shaft. When choosing a yoke, be sure to measure the outside diameter of the U-joint cap and the inside diameter of the yoke ears. After taking the measurements, consult the cross and bearing identification drawings to make sure they match.
While tube yokes are usually easy to replace, the best results come from a qualified machine shop. Dedicated driveshaft specialists can assemble and balance finished driveshafts. If you are unsure of a particular aspect, please refer to the TM3000 Driveshaft and Cardan Joint Service Manual for more information. You can also consult an excerpt from the TSB3510 manual for information on angle, vibration and runout.
The sliding fork is another important part of the drive shaft. It can bend over rough terrain, allowing the U-joint to keep spinning in tougher conditions. If the slip yoke fails, you will not be able to drive and will clang. You need to replace it as soon as possible to avoid any dangerous driving conditions. So if you notice any dings, be sure to check the yoke.
If you detect any vibrations, the drivetrain may need adjustment. It’s a simple process. First, rotate the driveshaft until you find the correct alignment between the tube yoke and the sliding yoke of the rear differential. If there is no noticeable vibration, you can wait for a while to resolve the problem. Keep in mind that it may be convenient to postpone repairs temporarily, but it may cause bigger problems later.
air-compressor

end yoke

If your driveshaft requires a new end yoke, CZPT has several drivetrain options. Our automotive end yoke inventory includes keyed and non-keyed options. If you need tapered or straight holes, we can also make them for you.
A U-bolt is an industrial fastener that has U-shaped threads on its legs. They are often used to join 2 heads back to back. These are convenient options to help keep drivetrain components in place when driving over rough terrain, and are generally compatible with a variety of models. U-bolts require a specially machined yoke to accept them, so be sure to order the correct size.
The sliding fork helps transfer power from the transfer case to the driveshaft. They slide in and out of the transfer case, allowing the u-joint to rotate. Sliding yokes or “slips” can be purchased separately. Whether you need a new 1 or just a few components to upgrade your driveshaft, 4 CZPT Parts will have the parts you need to repair your vehicle.
The end yoke is a necessary part of the drive shaft. It connects the drive train and the mating flange. They are also used in auxiliary power equipment. CZPT’s drivetrains are stocked with a variety of flanged yokes for OEM applications and custom builds. You can also find flanged yokes for constant velocity joints in our extensive inventory. If you don’t want to modify your existing drivetrain, we can even make a custom yoke for you.

China OEM Hfw400L Top Drive Hydraulic System Water Well Drilling Rig with Free Design CustomChina OEM Hfw400L Top Drive Hydraulic System Water Well Drilling Rig with Free Design Custom

China high quality Automatic Rotary Cutter Hydraulic Drive Grinder/Plywood Peeling Knife Grinder Machine near me manufacturer

Product Description

Product Description

Model

FN1400

FN2800

FN2000

  

Max. grinding length(mm)

1500

2800

2000

  

Tilting range of working table

90

90

90

  

Grinding head motor power(kw)

4

4

4

  

Overall dimensions(mm)

3250*1200*1000

4500*1200*1100

4000*1200*1100

  

Weight(kg)

2000

2400

2200

  

Knife grinding method

Electromagnetic

Electromagnetic

Electromagnetic

  

Grinding Accuracy(mm)

0.01

0.01

0.01

Detailed Photos

 

 

Packaging & Shipping

Company Profile

ZheJiang Hummingbird Machinery Co., Ltd., formerly known as HangZhou Xinkun Machinery Co., Ltd., is located in the plywood base of HangZhou City, ZheJiang Province, specializing in the production and research and development of woodworking machinery for more than 10 years. We are a manufacturer of wood working machinery with well-equipped testing facilities and strong technical force. We are the leading manufacturer of woodworking machinery specialized in wood based panel production line for more than 10 years. The main products are plywood assembly line, peeling machine, log cutting machine, hot press, cold press, automatic loading machine, search saw and other plywood machinery and equipment. We offer you qualified products and service with a complete equipment solutions. We can offer you not only a complete equipment solutions to your plan but also good technology service. Engineers available to service machinery overseas and after-sales service provided in our company. 

In 2018, following the development of prefabricated buildings, the company invested in the construction of steel structure factory, with an annual output of 15, 000 tons. There are 2 light steel production lines and 1 heavy steel production line. And with a number of ALC panels manufacturers, committed to the development of prefabricated housing. 

In 2019, Hummingbird Import and Export Trading Co., Ltd. Was established. Based on the principle of integrity and quality, we bring the concept of good mechanical products and prefabricated houses to the world. We also welcome OEM and ODM orders. In line with the concept of service first, we sincerely look forward to cooperating with you, hoping to help you further in your career!

Our Service

Pre-sale service

1.Provide the free consultation of equipment 

2.Provide the standard device and the flow chart
3.According to the clients’ special requirement ,offering the resonable plan and free design to help to select the equipment .
4.Welcome to visit our factory

Service during the sales

1. Inspect the machine before leaving the factory 

2.Oversea install and debug the equipment 
3. Train the first-line operator

After sales service

1) 24 hours online service 

2) Provide the VIDEO with install and debug the equipment
3) Provide technical exchanging

The Benefits of Spline Couplings for Disc Brake Mounting Interfaces

Spline couplings are commonly used for securing disc brake mounting interfaces. Spline couplings are often used in high-performance vehicles, aeronautics, and many other applications. However, the mechanical benefits of splines are not immediately obvious. Listed below are the benefits of spline couplings. We’ll discuss what these advantages mean for you. Read on to discover how these couplings work.

Disc brake mounting interfaces are splined

There are 2 common disc brake mounting interfaces – splined and six-bolt. Splined rotors fit on splined hubs; six-bolt rotors will need an adapter to fit on six-bolt hubs. The six-bolt method is easier to maintain and may be preferred by many cyclists. If you’re thinking of installing a disc brake system, it is important to know how to choose the right splined and center lock interfaces.
splineshaft

Aerospace applications

The splines used for spline coupling in aircraft are highly complex. While some previous researches have addressed the design of splines, few publications have tackled the problem of misaligned spline coupling. Nevertheless, the accurate results we obtained were obtained using dedicated simulation tools, which are not commercially available. Nevertheless, such tools can provide a useful reference for our approach. It would be beneficial if designers could use simple tools for evaluating contact pressure peaks. Our analytical approach makes it possible to find answers to such questions.
The design of a spline coupling for aerospace applications must be accurate to minimize weight and prevent failure mechanisms. In addition to weight reduction, it is necessary to minimize fretting fatigue. The pressure distribution on the spline coupling teeth is a significant factor in determining its fretting fatigue. Therefore, we use analytical and experimental methods to examine the contact pressure distribution in the axial direction of spline couplings.
The teeth of a spline coupling can be categorized by the type of engagement they provide. This study investigates the position of resultant contact forces in the teeth of a spline coupling when applied to pitch diameter. Using FEM models, numerical results are generated for nominal and parallel offset misalignments. The axial tooth profile determines the behavior of the coupling component and its ability to resist wear. Angular misalignment is also a concern, causing misalignment.
In order to assess wear damage of a spline coupling, we must take into consideration the impact of fretting on the components. This wear is caused by relative motion between the teeth that engage them. The misalignment may be caused by vibrations, cyclical tooth deflection, or angular misalignment. The result of this analysis may help designers improve their spline coupling designs and develop improved performance.
CZPT polyimide, an abrasion-resistant polymer, is a popular choice for high-temperature spline couplings. This material reduces friction and wear, provides a low friction surface, and has a low wear rate. Furthermore, it offers up to 50 times the life of metal on metal spline connections. For these reasons, it is important to choose the right material for your spline coupling.
splineshaft

High-performance vehicles

A spline coupler is a device used to connect splined shafts. A typical spline coupler resembles a short pipe with splines on either end. There are 2 basic types of spline coupling: single and dual spline. One type attaches to a drive shaft, while the other attaches to the gearbox. While spline couplings are typically used in racing, they’re also used for performance problems.
The key challenge in spline couplings is to determine the optimal dimension of spline joints. This is difficult because no commercial codes allow the simulation of misaligned joints, which can destroy components. This article presents analytical approaches to estimating contact pressures in spline connections. The results are comparable with numerical approaches but require special codes to accurately model the coupling operation. This research highlights several important issues and aims to make the application of spline couplings in high-performance vehicles easier.
The stiffness of spline assemblies can be calculated using tooth-like structures. Such splines can be incorporated into the spline joint to produce global stiffness for torsional vibration analysis. Bearing reactions are calculated for a certain level of misalignment. This information can be used to design bearing dimensions and correct misalignment. There are 3 types of spline couplings.
Major diameter fit splines are made with tightly controlled outside diameters. This close fit provides concentricity transfer from the male to the female spline. The teeth of the male spline usually have chamfered tips and clearance with fillet radii. These splines are often manufactured from billet steel or aluminum. These materials are renowned for their strength and uniform grain created by the forging process. ANSI and DIN design manuals define classes of fit.
splineshaft

Disc brake mounting interfaces

A spline coupling for disc brake mounting interfaces is a type of hub-to-brake-disc mount. It is a highly durable coupling mechanism that reduces heat transfer from the disc to the axle hub. The mounting arrangement also isolates the axle hub from direct contact with the disc. It is also designed to minimize the amount of vehicle downtime and maintenance required to maintain proper alignment.
Disc brakes typically have substantial metal-to-metal contact with axle hub splines. The discs are held in place on the hub by intermediate inserts. This metal-to-metal contact also aids in the transfer of brake heat from the brake disc to the axle hub. Spline coupling for disc brake mounting interfaces comprises a mounting ring that is either a threaded or non-threaded spline.
During drag brake experiments, perforated friction blocks filled with various additive materials are introduced. The materials included include Cu-based powder metallurgy material, a composite material, and a Mn-Cu damping alloy. The filling material affects the braking interface’s wear behavior and friction-induced vibration characteristics. Different filling materials produce different types of wear debris and have different wear evolutions. They also differ in their surface morphology.
Disc brake couplings are usually made of 2 different types. The plain and HD versions are interchangeable. The plain version is the simplest to install, while the HD version has multiple components. The two-piece couplings are often installed at the same time, but with different mounting interfaces. You should make sure to purchase the appropriate coupling for your vehicle. These interfaces are a vital component of your vehicle and must be installed correctly for proper operation.
Disc brakes use disc-to-hub elements that help locate the forces and displace them to the rim. These elements are typically made of stainless steel, which increases the cost of manufacturing the disc brake mounting interface. Despite their benefits, however, the high braking force loads they endure are hard on the materials. Moreover, excessive heat transferred to the intermediate elements can adversely affect the fatigue life and long-term strength of the brake system.

China high quality Automatic Rotary Cutter Hydraulic Drive Grinder/Plywood Peeling Knife Grinder Machine near me manufacturer China high quality Automatic Rotary Cutter Hydraulic Drive Grinder/Plywood Peeling Knife Grinder Machine near me manufacturer

China Custom 1000m Deep Hydraulic Drive Truck Trailer Mounted Water Well Drilling Rig near me factory

Product Description

 

Product Description

1200Meter rotary table truck mounted water well drilling rig

1.HRMC-1200 is a truck mounted and a rotary table drilling rig.

2.The truck chassis  adopts  the special heavy truck chassis, the main transmit, transmission power, gearbox, sets of winch, mud pump, diesel engine and mast are set up on the chassis.
3. The rig is a rotary drilling rig with directional circulation, which is equipped with mud pump. It adopts the slurry as the washing fluid, it can drill on clay, sand and rock if it is connected with the suitable drilling bit.
 

4.If add an air compressor, and connect with hammer bit, the HRMC-1200 can do down-the-hole hammer drilling.

5.The power of the rig comes from the independent deck Diesel engine.
 

6.The rig is mainly used for water well, construction, national defense building foundation, geothermic well and other foundation working;

7.After more than 30 years of market inspection, this rig with reliable quality, simple operation, low maintenance costs. Favored by international well drilling companies in Africa, Russia and Central Asia.
 

Product Parameters

Technical parameter
 Max drilling depth (M) 1200
 Borehole diameter range (mm) 190-800
 Single rope lifting capacity of main winch(T) 8
 The capacity of main winch(T) 48
 Single rope lifting capacity of vice winch(T) 5
 The capacity of vice winch(T) 25
 The lifting capacity of hook(T) 60
 The bearing capacity of mast (T) 60
 The height of mast (M) 10-15
Drilling pipe (mm) Ф89/Ф114/Ф127
Mud pump Max flow rate (L / min) 1500
Max discharge pressure (Mpa) 10
 
 Truck chassis		 Standard Heavy duty commercial 6*4 truck
Other Options Semi trailer or customer own support vehicle/structure
Drilling power the deck engine 240Kw
 Weight (kg) 26340
 Transport size(L*W*H)(mm) 15500*2500*3900

Main products

 

Our Advantages

 WHY CHOOSE HUAUNO MACHINERY?

1.Our aim is to supply the most suitable borehole drilling machine to users.
You can get a full range of product selection advice and product customization without paying any fees.

2.We have 2 groups of design teams. One team of after-sales engineers with more than 30 years of construction experience at home and abroad, other team of designers who graduated from well-known universities and have rich work experience. We will combine a wealth of practical construction experience and the most advanced professional theoretical knowledge to meet your various demands.

3.We are not only familiar with borehole drilling rig, but also familiar with the human environment, construction environment and strata in the construction field at home and abroad. Provide you with the greatest technical support, save costs and create the greatest value with you. Yes, choosing us is your best decision.

4. Support overseas train and maintain. We do ten days overseas train for free,after you buy our machine.

5. One year Warranty. HUANUO knows the various needs of the water well service companies and operators worldwide.
Customers who buy rigs from us can benefit from great saving thus boost their bottom line.
 

After Sales Service

Complete operation video, online maintenance, on-site maintenance;

Support overseas train and maintain. 

FAQ

FREQUENTLY ASKED QUESTIONS

Q: Are you trading company or manufacturer?
A:our factory more than 30 years experience for produce borehole drilling machine. 

 
Q: Are your products qualified?
A:Yes, our products all have gained ISO certificate,and we have specialized quality inspection department for checking every machine before leaving our factory.  

Q: How to get a accurate quotation from us ?
A:Please provide us the details for your well or demands for the rigs. such as max drill depth, borehole diameter range.

Q:What’s the shipping cost from china to your country ?
A:We can send machine to your port or door address by sea or truck. please kindly tell us your nearest destination port or address with postcode. we have reliable shipping agent to insure the safe convenient and time delivery.

Q:Do you accept L/C payment ?
A:Yes, normally our payment is 30%+70% T/T ,LC payment is also acceptable

Q:How to operate this machine ?
A:You will get operation video from us, or on-site training

Q:What about commissioning service ?
A: We can offer commissioning service , the buyer need to afford plane tickets.

Q:Do you offer teaching & training ?
A:Yes, Complete operation video, online maintenance, on-site maintenance also support.   For more details pls contact with our saler.
 

Our Service

 

OUR SERVICES INCLUDED BUT ARE NOT LIMITED TO THE FOLLOWING

1. Purchase Guidance;

We have a group of sales teams with more than 20 years of experience, and they all have experience in drilling wells at at home and abroad. If you don’t know what type of drilling equipment to choose, we can provide a full range of product selection advice. We customize it for you, you can get the most applicable borehole drill rig from us.

2. Training Service

Our technician is available to your site and offer training of how to use our machines.
As well, you may send your technician to our company to learn how to operate machines.

3.Quality Guarantee

We sign the agreement with detailed technical data. Our warranty is 12 months.

An Overview of Worm Shafts and Gears

This article provides an overview of worm shafts and gears, including the type of toothing and deflection they experience. Other topics covered include the use of aluminum versus bronze worm shafts, calculating worm shaft deflection and lubrication. A thorough understanding of these issues will help you to design better gearboxes and other worm gear mechanisms. For further information, please visit the related websites. We also hope that you will find this article informative.
worm shaft

Double throat worm gears

The pitch diameter of a worm and the pitch of its worm wheel must be equal. The 2 types of worm gears have the same pitch diameter, but the difference lies in their axial and circular pitches. The pitch diameter is the distance between the worm’s teeth along its axis and the pitch diameter of the larger gear. Worms are made with left-handed or right-handed threads. The lead of the worm is the distance a point on the thread travels during 1 revolution of the worm gear. The backlash measurement should be made in a few different places on the gear wheel, as a large amount of backlash implies tooth spacing.
A double-throat worm gear is designed for high-load applications. It provides the tightest connection between worm and gear. It is crucial to mount a worm gear assembly correctly. The keyway design requires several points of contact, which block shaft rotation and help transfer torque to the gear. After determining the location of the keyway, a hole is drilled into the hub, which is then screwed into the gear.
The dual-threaded design of worm gears allows them to withstand heavy loads without slipping or tearing out of the worm. A double-throat worm gear provides the tightest connection between worm and gear, and is therefore ideal for hoisting applications. The self-locking nature of the worm gear is another advantage. If the worm gears are designed well, they are excellent for reducing speeds, as they are self-locking.
When choosing a worm, the number of threads that a worm has is critical. Thread starts determine the reduction ratio of a pair, so the higher the threads, the greater the ratio. The same is true for the worm helix angles, which can be one, two, or 3 threads long. This varies between a single thread and a double-throat worm gear, and it is crucial to consider the helix angle when selecting a worm.
Double-throat worm gears differ in their profile from the actual gear. Double-throat worm gears are especially useful in applications where noise is an issue. In addition to their low noise, worm gears can absorb shock loads. A double-throat worm gear is also a popular choice for many different types of applications. These gears are also commonly used for hoisting equipment. Its tooth profile is different from that of the actual gear.
worm shaft

Bronze or aluminum worm shafts

When selecting a worm, a few things should be kept in mind. The material of the shaft should be either bronze or aluminum. The worm itself is the primary component, but there are also addendum gears that are available. The total number of teeth on both the worm and the addendum gear should be greater than 40. The axial pitch of the worm needs to match the circular pitch of the larger gear.
The most common material used for worm gears is bronze because of its desirable mechanical properties. Bronze is a broad term referring to various copper alloys, including copper-nickel and copper-aluminum. Bronze is most commonly created by alloying copper with tin and aluminum. In some cases, this combination creates brass, which is a similar metal to bronze. The latter is less expensive and suitable for light loads.
There are many benefits to bronze worm gears. They are strong and durable, and they offer excellent wear-resistance. In contrast to steel worms, bronze worm gears are quieter than their counterparts. They also require no lubrication and are corrosion-resistant. Bronze worms are popular with small, light-weight machines, as they are easy to maintain. You can read more about worm gears in CZPT’s CZPT.
Although bronze or aluminum worm shafts are the most common, both materials are equally suitable for a variety of applications. A bronze shaft is often called bronze but may actually be brass. Historically, worm gears were made of SAE 65 gear bronze. However, newer materials have been introduced. SAE 65 gear bronze (UNS C90700) remains the preferred material. For high-volume applications, the material savings can be considerable.
Both types of worms are essentially the same in size and shape, but the lead on the left and right tooth surfaces can vary. This allows for precise adjustment of the backlash on a worm without changing the center distance between the worm gear. The different sizes of worms also make them easier to manufacture and maintain. But if you want an especially small worm for an industrial application, you should consider bronze or aluminum.

Calculation of worm shaft deflection

The centre-line distance of a worm gear and the number of worm teeth play a crucial role in the deflection of the rotor. These parameters should be entered into the tool in the same units as the main calculation. The selected variant is then transferred to the main calculation. The deflection of the worm gear can be calculated from the angle at which the worm teeth shrink. The following calculation is helpful for designing a worm gear.
Worm gears are widely used in industrial applications due to their high transmittable torques and large gear ratios. Their hard/soft material combination makes them ideally suited for a wide range of applications. The worm shaft is typically made of case-hardened steel, and the worm wheel is fabricated from a copper-tin-bronze alloy. In most cases, the wheel is the area of contact with the gear. Worm gears also have a low deflection, as high shaft deflection can affect the transmission accuracy and increase wear.
Another method for determining worm shaft deflection is to use the tooth-dependent bending stiffness of a worm gear’s toothing. By calculating the stiffness of the individual sections of a worm shaft, the stiffness of the entire worm can be determined. The approximate tooth area is shown in figure 5.
Another way to calculate worm shaft deflection is by using the FEM method. The simulation tool uses an analytical model of the worm gear shaft to determine the deflection of the worm. It is based on a two-dimensional model, which is more suitable for simulation. Then, you need to input the worm gear’s pitch angle and the toothing to calculate the maximum deflection.
worm shaft

Lubrication of worm shafts

In order to protect the gears, worm drives require lubricants that offer excellent anti-wear protection, high oxidation resistance, and low friction. While mineral oil lubricants are widely used, synthetic base oils have better performance characteristics and lower operating temperatures. The Arrhenius Rate Rule states that chemical reactions double every 10 degrees C. Synthetic lubricants are the best choice for these applications.
Synthetics and compounded mineral oils are the most popular lubricants for worm gears. These oils are formulated with mineral basestock and 4 to 6 percent synthetic fatty acid. Surface-active additives give compounded gear oils outstanding lubricity and prevent sliding wear. These oils are suited for high-speed applications, including worm gears. However, synthetic oil has the disadvantage of being incompatible with polycarbonate and some paints.
Synthetic lubricants are expensive, but they can increase worm gear efficiency and operating life. Synthetic lubricants typically fall into 2 categories: PAO synthetic oils and EP synthetic oils. The latter has a higher viscosity index and can be used at a range of temperatures. Synthetic lubricants often contain anti-wear additives and EP (anti-wear).
Worm gears are frequently mounted over or under the gearbox. The proper lubrication is essential to ensure the correct mounting and operation. Oftentimes, inadequate lubrication can cause the unit to fail sooner than expected. Because of this, a technician may not make a connection between the lack of lube and the failure of the unit. It is important to follow the manufacturer’s recommendations and use high-quality lubricant for your gearbox.
Worm drives reduce backlash by minimizing the play between gear teeth. Backlash can cause damage if unbalanced forces are introduced. Worm drives are lightweight and durable because they have minimal moving parts. In addition, worm drives are low-noise and vibration. In addition, their sliding motion scrapes away excess lubricant. The constant sliding action generates a high amount of heat, which is why superior lubrication is critical.
Oils with a high film strength and excellent adhesion are ideal for lubrication of worm gears. Some of these oils contain sulfur, which can etch a bronze gear. In order to avoid this, it is imperative to use a lubricant that has high film strength and prevents asperities from welding. The ideal lubricant for worm gears is 1 that provides excellent film strength and does not contain sulfur.

China Custom 1000m Deep Hydraulic Drive Truck Trailer Mounted Water Well Drilling Rig near me factory China Custom 1000m Deep Hydraulic Drive Truck Trailer Mounted Water Well Drilling Rig near me factory