MagicWheel (previous known as Autour), 4 wheels electric and intelligent wheelchair with omnidirectional front wheels from originated Manufacturer, brings independence, fun, luxury and first-class experience to its users with ergonomic and aesthetics mindset.
Designed for both outdoor adventures and indoor companion, MagicWheel is a hybrid of electric wheelchair and mobility scooter.
Excellent operation experience comes from
Brush-less Permanent Magnet Motor
Durable and powerful; 100,000 hours lifespan
Intelligent Central Controller
Infinitics in-house designed Cloud ECU with OTA
Outstanding and Secure Li-ion Battery
10 Ah 24V Tesla’s 18650 Lithium-ion Cells
MagicWheel is designed for Simply Moving.
Simply moving by just 1 joystick and immediately stop by releasing the joystick without slipping
Long endurance of 16 km and the fastest speed of 6 km/h, calm and quiet
More practical than folding electric wheelchair, MagicWheel can be easily disassembled in to 3 pieces in 15 seconds
The heaviest piece is 19kg. No pressure at all to carry and store in the car trunk
Friendly for new users with great fun
MagicWheel is designed for All Terrain.
Performance of MagicWheel is distinguished from other electric wheelchair or scooter in terms of coping with complex road conditions
Superb accessibility and driving CZPT of MagicWheel demonstrated by the proven travel records to parks by metro and international travel by airplane and cruise
Barrier free to go by car, bus, metro/subway, train or plane
Unique and innovative omnidirectional wheels gives the best turning radium to go through narrow space
Highlights of MagicWheel’s omnidirection front wheels
The composition of each front wheel
24 small wheels
Vertical Obstacle Clearance
6 cm
Easily Turning in small spaces
76 cm the best in the market
Climbing performance
10 °
Horizontal Obstacle Clearance
15 cm
MagicWheel is designed for Safety.
Anti-slipping
Anti-turnover
LED warning light
Seat-belt
Rigorous product testings passed
Battery MSDS report
MagicWheel is designed for Comfy.
The backrest and armrest can be adjusted by users’ needs
Flip-up armrest for easy access from both sides
Selected T-sens sitting cushion is waterproof, anti-slip, anti-bedsore, breathable and fire retardant
Proven records of the CZPT of the body pressure dispersion than the normal cushions
MagicWheel is designed for Poshness.
Go outside with great confidence
Three colors available Bentley White, Porsche Gray and Ferrari Red
Q&A Q: Can the seat height be adjusted automatically? A: It can be adjusted manually. Usually the wheelchair is a personal item. After the angle and height are adjusted to the most comfortable status, there is no need for repeated adjustments.
Q: What material is your product made of? Is it safe enough? A: The frame material is aviation aluminum and stamped sheet, and the shell is injection molded of ABS+PC engineering plastics. The load-bearing capacity of the whole vehicle is 150 kg. This weight can ensure that the scooter is unimpeded on the standard road surface prescribed by each country, and there will be no problems with other scooters such as slipping and rollover.
Q: Why doesn’t your scooter have 2 pedals? A: In order to allow users to get enough movement area for their feet while sitting, without being restricted, we use a whole pedal. This pedal is very strong and can withstand 100 kg. And our pedal can be lifted up, so that users can easily get on or get off.
Q: Is there a remote controller? A: Yes, but that is an optional feature.
Q: Quality problems and service life of batteries? A: The battery is a lithium battery, which uses CZPT batteries. The power loss of our battery cell is 20% after it is charged and discharged 1,000 times, which means it will have 80% of the remaining power after 3 years normally. If you feel that the battery is not enough, you can buy 1 battery more, which can be replaced at any time.
Q: The service life of the scooter A: The electrical part (battery, motor, and controller) is guaranteed for 1 year, and the frame is 3 years. The wheels are maintenance-free. The theoretical operating distance of the front wheels is 30,000 to 50,000 kilometers, the rear wheels are solid tires, and the rubber tires are maintenance-free. The cushion can be replaced according to actual needs. The whole scooter can basically be used for 8-10 years.
Q: Is your scooter fold-able? A: Our scooter can be disassembled into 3 parts in 15 seconds, the heaviest part is 19 kg, which is lighter than the fold-able wheelchairs on the market and is more convenient to carry. [Battery 2.6 kg, seat 14 kg, front frame 14 kg, rear frame 19 kg], it is very convenient to store, transport and travel. You may have seen other fold-able scooter, the weight is almost 30 kilograms, it is very heavy to move.
Q: The weight of MagicWheel? A: MagicWheel designs for both outdoor adventure and indoor companion. The weight of MagicWheel is 50 kg, for the sake of user safety and the stability of the scooter itself.
Q: What is the seat width of MagicWheel? A: The width of ordinary wheelchairs on the market is between 420-510mm, and ours is 460mm. Most people can use it. The width of the whole scooter is 560. Normal doors can pass through.
Q: Can MagicWheel be equipped with front lights? A: Every users’ needs are different and diverse. Many of our users install small accessories on the scooter according to their favorite styles. It can be fitted with cup holders and bright flashlights.
Q: Can the light strip on the back be turned off? A: The light strip at the back is a reminder to the pedestrians behind and a protection for us, especially at night or in a dark place. The power consumption is very small and can be ignored. You can disconnect it by loosening the connection point of the wire connecting the light strip under the seat but which is NOT recommended.
Q: Does MagicWheel have emergency braking? What is the principle of braking? MagicWheel is different from general motor brakes. It uses electromagnetic brakes. Releasing the joystick, it stops immediately.
About usage Q: Can MagicWheels travel on planes? A: Most airlines have rules that a single battery should not exceed 300Wh. The battery of MagicWheel is 240Wh. You need to remove the battery and bring it with you, and then the scooter body can be checked in before boarding. Please bear in mind that contact with the airline at least 48 hours in advance before the departure time.
Q: Can MagicWheel enter parks and shopping malls? A: The speed of the MagicWheel scooter is only 6 km/h, which is about the same as the walking speed of pedestrians. It is also small in size and can enter shopping malls and parks.
Q: What should I do if I run out of power when I go out on the road? A: There is a battery indicator on the armrest of our scooter. Observe the battery indicator before use. If you are going to have a long-distance trip, please charge it 1 day in advance.
In case of power or scooter failure, please switch the 2 red wrenches at the bottom of rear frame to manual mode, therefore it can be pushed to move.
Q: Can MagicWheel be replaced with left-handed operation? A: Yes, if you need to use the left-handed operation, you can make a note with the customer service when you buy it. It will be set up in the factory before delivering.
Q: Can I use MagicWheel in the cold winter? What about the battery loss? A: The battery does lose some power due to the low temperature. Users must pay attention to the power indicator and plan their own itinerary.
Q: Is your scooter easy to get started? A: Our car uses joystick control and electromagnetic brakes, which is very friendly and suitable for the elderly to learn.
Q: Can I take the subway/metro with MagicWheel? A: Yes, absolutely, because of the unique design of the front wheels, coupled with the powerful dual-motor drive, MagicWheel can pass the gap and enter the carriage from the platform easily without help.
Q: Can the battery be optional? A: MagicWheel currently sells 1 type of battery only. We will update batteries of different capacities in short future.
Q: Can MagicWheel be put in the trunk of an ordinary car after disassembled? After putting it in the trunk, is it impossible to load other things? A: Yes. Large items may not fit, but small items can still fit a lot.
What Are the Advantages of a Splined Shaft?
If you are looking for the right splined shaft for your machine, you should know a few important things. First, what type of material should be used? Stainless steel is usually the most appropriate choice, because of its ability to offer low noise and fatigue failure. Secondly, it can be machined using a slotting or shaping machine. Lastly, it will ensure smooth motion. So, what are the advantages of a splined shaft? Stainless steel is the best material for splined shafts
When choosing a splined shaft, you should consider its hardness, quality, and finish. Stainless steel has superior corrosion and wear resistance. Carbon steel is another good material for splined shafts. Carbon steel has a shallow carbon content (about 1.7%), which makes it more malleable and helps ensure smooth motion. But if you’re not willing to spend the money on stainless steel, consider other options. There are 2 main types of splines: parallel splines and crowned splines. Involute splines have parallel grooves and allow linear and rotary motion. Helical splines have involute teeth and are oriented at an angle. This type allows for many teeth on the shaft and minimizes the stress concentration in the stationary joint. Large evenly spaced splines are widely used in hydraulic systems, drivetrains, and machine tools. They are typically made from carbon steel (CR10) and stainless steel (AISI 304). This material is durable and meets the requirements of ISO 14-B, formerly DIN 5463-B. Splined shafts are typically made of stainless steel or C45 steel, though there are many other materials available. Stainless steel is the best material for a splined shaft. This metal is also incredibly affordable. In most cases, stainless steel is the best choice for these shafts because it offers the best corrosion resistance. There are many different types of splined shafts, and each 1 is suited for a particular application. There are also many different types of stainless steel, so choose stainless steel if you want the best quality. For those looking for high-quality splined shafts, CZPT Spline Shafts offer many benefits. They can reduce costs, improve positional accuracy, and reduce friction. With the CZPT TFE coating, splined shafts can reduce energy and heat buildup, and extend the life of your products. And, they’re easy to install – all you need to do is install them.
They provide low noise, low wear and fatigue failure
The splines in a splined shaft are composed of 2 main parts: the spline root fillet and the spline relief. The spline root fillet is the most critical part, because fatigue failure starts there and propagates to the relief. The spline relief is more susceptible to fatigue failure because of its involute tooth shape, which offers a lower stress to the shaft and has a smaller area of contact. The fatigue life of splined shafts is determined by measuring the S-N curve. This is also known as the Wohler curve, and it is the relationship between stress amplitude and number of cycles. It depends on the material, geometry and way of loading. It can be obtained from a physical test on a uniform material specimen under a constant amplitude load. Approximations for low-alloy steel parts can be made using a lower-alloy steel material. Splined shafts provide low noise, minimal wear and fatigue failure. However, some mechanical transmission elements need to be removed from the shaft during assembly and manufacturing processes. The shafts must still be capable of relative axial movement for functional purposes. As such, good spline joints are essential to high-quality torque transmission, minimal backlash, and low noise. The major failure modes of spline shafts include fretting corrosion, tooth breakage, and fatigue failure. The outer disc carrier spline is susceptible to tensile stress and fatigue failure. High customer demands for low noise and low wear and fatigue failure makes splined shafts an excellent choice. A fractured spline gear coupling was received for analysis. It was installed near the top of a filter shaft and inserted into the gearbox motor. The service history was unknown. The fractured spline gear coupling had longitudinally cracked and arrested at the termination of the spline gear teeth. The spline gear teeth also exhibited wear and deformation. A new spline coupling method detects fault propagation in hollow cylindrical splined shafts. A spline coupling is fabricated using an AE method with the spline section unrolled into a metal plate of the same thickness as the cylinder wall. In addition, the spline coupling is misaligned, which puts significant concentration on the spline teeth. This further accelerates the rate of fretting fatigue and wear. A spline joint should be lubricated after 25 hours of operation. Frequent lubrication can increase maintenance costs and cause downtime. Moreover, the lubricant may retain abrasive particles at the interfaces. In some cases, lubricants can even cause misalignment, leading to premature failure. So, the lubrication of a spline coupling is vital in ensuring proper functioning of the shaft. The design of a spline coupling can be optimized to enhance its wear resistance and reliability. Surface treatments, loads, and rotation affect the friction properties of a spline coupling. In addition, a finite element method was developed to predict wear of a floating spline coupling. This method is feasible and provides a reliable basis for predicting the wear and fatigue life of a spline coupling.
They can be machined using a slotting or shaping machine
Machines can be used to shape splined shafts in a variety of industries. They are useful in many applications, including gearboxes, braking systems, and axles. A slotted shaft can be manipulated in several ways, including hobbling, broaching, and slotting. In addition to shaping, splines are also useful in reducing bar diameter. When using a slotting or shaping machine, the workpiece is held against a pedestal that has a uniform thickness. The machine is equipped with a stand column and limiting column (Figure 1), each positioned perpendicular to the upper surface of the pedestal. The limiting column axis is located on the same line as the stand column. During the slotting or shaping process, the tool is fed in and out until the desired space is achieved. One process involves cutting splines into a shaft. Straddle milling, spline shaping, and spline cutting are 2 common processes used to create splined shafts. Straddle milling involves a fixed indexing fixture that holds the shaft steady, while rotating milling cutters cut the groove in the length of the shaft. Several passes are required to ensure uniformity throughout the spline. Splines are a type of gear. The ridges or teeth on the drive shaft mesh with grooves in the mating piece. A splined shaft allows the transmission of torque to a mate piece while maximizing the power transfer. Splines are used in heavy vehicles, construction, agriculture, and massive earthmoving machinery. Splines are used in virtually every type of rotary motion, from axles to transmission systems. They also offer better fatigue life and reliability. Slotting or shaping machines can also be used to shape splined shafts. Slotting machines are often used to machine splined shafts, because it is easier to make them with these machines. Using a slotting or shaping machine can result in splined shafts of different sizes. It is important to follow a set of spline standards to ensure your parts are manufactured to the highest standards. A milling machine is another option for producing splined shafts. A spline shaft can be set up between 2 centers in an indexing fixture. Two side milling cutters are mounted on an arbor and a spacer and shims are inserted between them. The arbor and cutters are then mounted to a milling machine spindle. To make sure the cutters center themselves over the splined shaft, an adjustment must be made to the spindle of the machine. The machining process is very different for internal and external splines. External splines can be broached, shaped, milled, or hobbed, while internal splines cannot. These machines use hard alloy, but they are not as good for internal splines. A machine with a slotting mechanism is necessary for these operations.
Zltech CE ISO9001 8Inch 24V 48V 600rpm 100kg Load gearless Brushless Electric Drive Wheel DC Hub Servo Motor with Encoder for mobile robot
Packaging & Shipping
Package: carton with foam, QTY per carton will depend on the hub motor size.
Shipping: goods will be deliveried by air(EMS, DHL, FedEx,TNT etc), by train or by boat according to your requirements.
Contact:
FAQ
1. Factory or trader? We are factory, and have professional R&D team as introduced in company information.
2. How about the delivery? – Sample: 3-5 days. – Bulk order: 15-30 days.
3. What is your after-sales services? 1. Free maintenance within 12 months guarantee, lifetime consultant. 2. Professional solutions in installation and maintence.
4. Why choose us? 1. Factory Price & 24/7 after-sale services. 2. From mold customization to material processing and welding, from fine components to finished assembly, 72 processes, 24 control points, strict aging, finished product inspection.
How to Select a Worm Shaft and Gear For Your Project
You will learn about axial pitch PX and tooth parameters for a Worm Shaft 20 and Gear 22. Detailed information on these 2 components will help you select a suitable Worm Shaft. Read on to learn more….and get your hands on the most advanced gearbox ever created! Here are some tips for selecting a Worm Shaft and Gear for your project!…and a few things to keep in mind.
Gear 22
The tooth profile of Gear 22 on Worm Shaft 20 differs from that of a conventional gear. This is because the teeth of Gear 22 are concave, allowing for better interaction with the threads of the worm shaft 20. The worm’s lead angle causes the worm to self-lock, preventing reverse motion. However, this self-locking mechanism is not entirely dependable. Worm gears are used in numerous industrial applications, from elevators to fishing reels and automotive power steering. The new gear is installed on a shaft that is secured in an oil seal. To install a new gear, you first need to remove the old gear. Next, you need to unscrew the 2 bolts that hold the gear onto the shaft. Next, you should remove the bearing carrier from the output shaft. Once the worm gear is removed, you need to unscrew the retaining ring. After that, install the bearing cones and the shaft spacer. Make sure that the shaft is tightened properly, but do not over-tighten the plug. To prevent premature failures, use the right lubricant for the type of worm gear. A high viscosity oil is required for the sliding action of worm gears. In two-thirds of applications, lubricants were insufficient. If the worm is lightly loaded, a low-viscosity oil may be sufficient. Otherwise, a high-viscosity oil is necessary to keep the worm gears in good condition. Another option is to vary the number of teeth around the gear 22 to reduce the output shaft’s speed. This can be done by setting a specific ratio (for example, 5 or 10 times the motor’s speed) and modifying the worm’s dedendum accordingly. This process will reduce the output shaft’s speed to the desired level. The worm’s dedendum should be adapted to the desired axial pitch.
Worm Shaft 20
When selecting a worm gear, consider the following things to consider. These are high-performance, low-noise gears. They are durable, low-temperature, and long-lasting. Worm gears are widely used in numerous industries and have numerous benefits. Listed below are just some of their benefits. Read on for more information. Worm gears can be difficult to maintain, but with proper maintenance, they can be very reliable. The worm shaft is configured to be supported in a frame 24. The size of the frame 24 is determined by the center distance between the worm shaft 20 and the output shaft 16. The worm shaft and gear 22 may not come in contact or interfere with 1 another if they are not configured properly. For these reasons, proper assembly is essential. However, if the worm shaft 20 is not properly installed, the assembly will not function. Another important consideration is the worm material. Some worm gears have brass wheels, which may cause corrosion in the worm. In addition, sulfur-phosphorous EP gear oil activates on the brass wheel. These materials can cause significant loss of load surface. Worm gears should be installed with high-quality lubricant to prevent these problems. There is also a need to choose a material that is high-viscosity and has low friction. Speed reducers can include many different worm shafts, and each speed reducer will require different ratios. In this case, the speed reducer manufacturer can provide different worm shafts with different thread patterns. The different thread patterns will correspond to different gear ratios. Regardless of the gear ratio, each worm shaft is manufactured from a blank with the desired thread. It will not be difficult to find 1 that fits your needs.
Gear 22’s axial pitch PX
The axial pitch of a worm gear is calculated by using the nominal center distance and the Addendum Factor, a constant. The Center Distance is the distance from the center of the gear to the worm wheel. The worm wheel pitch is also called the worm pitch. Both the dimension and the pitch diameter are taken into consideration when calculating the axial pitch PX for a Gear 22. The axial pitch, or lead angle, of a worm gear determines how effective it is. The higher the lead angle, the less efficient the gear. Lead angles are directly related to the worm gear’s load capacity. In particular, the angle of the lead is proportional to the length of the stress area on the worm wheel teeth. A worm gear’s load capacity is directly proportional to the amount of root bending stress introduced by cantilever action. A worm with a lead angle of g is almost identical to a helical gear with a helix angle of 90 deg. In the present invention, an improved method of manufacturing worm shafts is described. The method entails determining the desired axial pitch PX for each reduction ratio and frame size. The axial pitch is established by a method of manufacturing a worm shaft that has a thread that corresponds to the desired gear ratio. A gear is a rotating assembly of parts that are made up of teeth and a worm. In addition to the axial pitch, a worm gear’s shaft can also be made from different materials. The material used for the gear’s worms is an important consideration in its selection. Worm gears are usually made of steel, which is stronger and corrosion-resistant than other materials. They also require lubrication and may have ground teeth to reduce friction. In addition, worm gears are often quieter than other gears.
Gear 22’s tooth parameters
A study of Gear 22’s tooth parameters revealed that the worm shaft’s deflection depends on various factors. The parameters of the worm gear were varied to account for the worm gear size, pressure angle, and size factor. In addition, the number of worm threads was changed. These parameters are varied based on the ISO/TS 14521 reference gear. This study validates the developed numerical calculation model using experimental results from Lutz and FEM calculations of worm gear shafts. Using the results from the Lutz test, we can obtain the deflection of the worm shaft using the calculation method of ISO/TS 14521 and DIN 3996. The calculation of the bending diameter of a worm shaft according to the formulas given in AGMA 6022 and DIN 3996 show a good correlation with test results. However, the calculation of the worm shaft using the root diameter of the worm uses a different parameter to calculate the equivalent bending diameter. The bending stiffness of a worm shaft is calculated through a finite element model (FEM). Using a FEM simulation, the deflection of a worm shaft can be calculated from its toothing parameters. The deflection can be considered for a complete gearbox system as stiffness of the worm toothing is considered. And finally, based on this study, a correction factor is developed. For an ideal worm gear, the number of thread starts is proportional to the size of the worm. The worm’s diameter and toothing factor are calculated from Equation 9, which is a formula for the worm gear’s root inertia. The distance between the main axes and the worm shaft is determined by Equation 14.
Gear 22’s deflection
To study the effect of toothing parameters on the deflection of a worm shaft, we used a finite element method. The parameters considered are tooth height, pressure angle, size factor, and number of worm threads. Each of these parameters has a different influence on worm shaft bending. Table 1 shows the parameter variations for a reference gear (Gear 22) and a different toothing model. The worm gear size and number of threads determine the deflection of the worm shaft. The calculation method of ISO/TS 14521 is based on the boundary conditions of the Lutz test setup. This method calculates the deflection of the worm shaft using the finite element method. The experimentally measured shafts were compared to the simulation results. The test results and the correction factor were compared to verify that the calculated deflection is comparable to the measured deflection. The FEM analysis indicates the effect of tooth parameters on worm shaft bending. Gear 22’s deflection on Worm Shaft can be explained by the ratio of tooth force to mass. The ratio of worm tooth force to mass determines the torque. The ratio between the 2 parameters is the rotational speed. The ratio of worm gear tooth forces to worm shaft mass determines the deflection of worm gears. The deflection of a worm gear has an impact on worm shaft bending capacity, efficiency, and NVH. The continuous development of power density has been achieved through advancements in bronze materials, lubricants, and manufacturing quality. The main axes of moment of inertia are indicated with the letters A-N. The three-dimensional graphs are identical for the seven-threaded and one-threaded worms. The diagrams also show the axial profiles of each gear. In addition, the main axes of moment of inertia are indicated by a white cross.
Floor shot blasting machine blasts the pills on the road surface at high speed and certain angle by the method of mechinery , make pills impect the surface of the road and make the road surface roughness, reach the effect of removing residuum,at the same time,dust collector will produce negative pressure to make pills and impurities and dust dust recovery after air cleaning, intact pills will automatically be recycled to used, and impurities and dust will drop into the dust collecting box.
Function of road surface blasting once will be enough clear away surface laitance of concrete and remove impurities, and can undertake hair treatment on the surface of concrete, make its surface well-distributed roughness, greatly improving the adhesive strength of the waterproof layer and concrete base layer, so that the waterproof layer and bridge deck can better combination, and at the same time the crack of concrete can be fully exposed, have the effect of nip in the bud.
Working Principle;
Shot material in the lower part of separation box is from the feeding tube into the blasting compo nents and driven by the motor. The high-speed rotating shot will be thrown and stroke against the surface of workpieces at the speed of 80m/s. And thus carry out clean-up operation. Under the effect of negative pressure, the shot CZPT and dust will be back into sand separation box where the shot, dust and impurities will be separated completely. Good shot materia into the blast is expected to continue to use.
Product Application;
For floor surface:
Prepares concrete for recoating or application of overlays Removes markings, dirt and old coatings Prepares parking lots and garage decks Cleans factory and warehouse floors Ideal for airport runways Used on bridge decks and highways
For Steel surface:
Removes paint, rust, mill scale and marine growth Cleans ship and decks Removes non-skid coatings Cleans offshore platforms Prepares petroleum and water storage tank surfaces
For other surfaces:
Clean brick or stone surface Removes paint pavement markings from asphalt surfaces
Products Technique Parameters
Working Effect
On Concrete On Steel
Marking Line Removal Epoxy Floor Cleaning
Our Company Information
We are HangZhou XIHU (WEST LAKE) DIS. MACHINERY CO., LTD. Located in the machinery manufacture base of HangZhou Seaport (top 10 of world), develop for over 30 years of experience of R&D and sales, pass of ISO 9000 managment system & CE quality certification. As 1 of the leading machinery manufacturers such as: Shot/Sand blasting machine(polish the steel surface rust, strength the steel qulity suit for steel plate, road surface, H beam, outer/inside pipe, oil pipeline casting etc).
Packages and Delivery
Our Service
1.Pre-sale services:
Provide the consultation of the equipment. According to the clients’ special requirement, offering the reasonable plan helping to select the equipment.Welcome to visit our factory.
2.Services during the sales:
Inspect the machine before leaving the factory.Oversea install and debug the equipment. Train the first-line operator.
3.After sale services:
Provide technical exchanging and timely problem solving support.
If you are interested in this shot blasting machine ,
Please contact us freely.
The Four Basic Components of a Screw Shaft
There are 4 basic components of a screw shaft: the Head, the Thread angle, and the Threaded shank. These components determine the length, shape, and quality of a screw. Understanding how these components work together can make purchasing screws easier. This article will cover these important factors and more. Once you know these, you can select the right type of screw for your project. If you need help choosing the correct type of screw, contact a qualified screw dealer.
Thread angle
The angle of a thread on a screw shaft is the difference between the 2 sides of the thread. Threads that are unified have a 60 degree angle. Screws have 2 parts: a major diameter, also known as the screw’s outside diameter, and a minor diameter, or the screw’s root diameter. A screw or nut has a major diameter and a minor diameter. Each has its own angle, but they all have 1 thing in common – the angle of thread is measured perpendicularly to the screw’s axis. The pitch of a screw depends on the helix angle of the thread. In a single-start screw, the lead is equal to the pitch, and the thread angle of a multiple-start screw is based on the number of starts. Alternatively, you can use a square-threaded screw. Its square thread minimizes the contact surface between the nut and the screw, which improves efficiency and performance. A square thread requires fewer motors to transfer the same load, making it a good choice for heavy-duty applications. A screw thread has 4 components. First, there is the pitch. This is the distance between the top and bottom surface of a nut. This is the distance the thread travels in a full revolution of the screw. Next, there is the pitch surface, which is the imaginary cylinder formed by the average of the crest and root height of each tooth. Next, there is the pitch angle, which is the angle between the pitch surface and the gear axis.
Head
There are 3 types of head for screws: flat, round, and hexagonal. They are used in industrial applications and have a flat outer face and a conical interior. Some varieties have a tamper-resistant pin in the head. These are usually used in the fabrication of bicycle parts. Some are lightweight, and can be easily carried from 1 place to another. This article will explain what each type of head is used for, and how to choose the right 1 for your screw. The major diameter is the largest diameter of the thread. This is the distance between the crest and the root of the thread. The minor diameter is the smaller diameter and is the distance between the major and minor diameters. The minor diameter is half the major diameter. The major diameter is the upper surface of the thread. The minor diameter corresponds to the lower extreme of the thread. The thread angle is proportional to the distance between the major and minor diameters. Lead screws are a more affordable option. They are easier to manufacture and less expensive than ball screws. They are also more efficient in vertical applications and low-speed operations. Some types of lead screws are also self-locking, and have a high coefficient of friction. Lead screws also have fewer parts. These types of screw shafts are available in various sizes and shapes. If you’re wondering which type of head of screw shaft to buy, this article is for you.
Threaded shank
Wood screws are made up of 2 parts: the head and the shank. The shank is not threaded all the way up. It is only partially threaded and contains the drive. This makes them less likely to overheat. Heads on wood screws include Oval, Round, Hex, Modified Truss, and Flat. Some of these are considered the “top” of the screw. Screws come in many sizes and thread pitches. An M8 screw has a 1.25-mm thread pitch. The pitch indicates the distance between 2 identical threads. A pitch of 1 is greater than the other. The other is smaller and coarse. In most cases, the pitch of a screw is indicated by the letter M followed by the diameter in millimetres. Unless otherwise stated, the pitch of a screw is greater than its diameter. Generally, the shank diameter is smaller than the head diameter. A nut with a drilled shank is commonly used. Moreover, a cotter pin nut is similar to a castle nut. Internal threads are usually created using a special tap for very hard metals. This tap must be followed by a regular tap. Slotted machine screws are usually sold packaged with nuts. Lastly, studs are often used in automotive and machine applications. In general, screws with a metric thread are more difficult to install and remove. Fortunately, there are many different types of screw threads, which make replacing screws a breeze. In addition to these different sizes, many of these screws have safety wire holes to keep them from falling. These are just some of the differences between threaded screw and non-threaded. There are many different types of screw threads, and choosing the right 1 will depend on your needs and your budget.
Point
There are 3 types of screw heads with points: cone, oval, and half-dog. Each point is designed for a particular application, which determines its shape and tip. For screw applications, cone, oval, and half-dog points are common. Full dog points are not common, and they are available in a limited number of sizes and lengths. According to ASTM standards, point penetration contributes as much as 15% of the total holding power of the screw, but a cone-shaped point may be more preferred in some circumstances. There are several types of set screws, each with its own advantage. Flat-head screws reduce indentation and frequent adjustment. Dog-point screws help maintain a secure grip by securing the collar to the screw shaft. Cup-point set screws, on the other hand, provide a slip-resistant connection. The diameter of a cup-point screw is usually half of its shaft diameter. If the screw is too small, it may slack and cause the screw collar to slip. The UNF series has a larger area for tensile stress than coarse threads and is less prone to stripping. It’s used for external threads, limited engagement, and thinner walls. When using a UNF, always use a standard tap before a specialized tap. For example, a screw with a UNF point is the same size as a type C screw but with a shorter length.
Spacer
A spacer is an insulating material that sits between 2 parts and centers the shaft of a screw or other fastener. Spacers come in different sizes and shapes. Some of them are made of Teflon, which is thin and has a low coefficient of friction. Other materials used for spacers include steel, which is durable and works well in many applications. Plastic spacers are available in various thicknesses, ranging from 4.6 to 8 mm. They’re suitable for mounting gears and other items that require less contact surface. These devices are used for precision fastening applications and are essential fastener accessories. They create clearance gaps between the 2 joined surfaces or components and enable the screw or bolt to be torqued correctly. Here’s a quick guide to help you choose the right spacer for the job. There are many different spacers available, and you should never be without one. All you need is a little research and common sense. And once you’re satisfied with your purchase, you can make a more informed decision. A spacer is a component that allows the components to be spaced appropriately along a screw shaft. This tool is used to keep space between 2 objects, such as the spinning wheel and an adjacent metal structure. It also helps ensure that a competition game piece doesn’t rub against an adjacent metal structure. In addition to its common use, spacers can be used in many different situations. The next time you need a spacer, remember to check that the hole in your screw is threaded.
Nut
A nut is a simple device used to secure a screw shaft. The nut is fixed on each end of the screw shaft and rotates along its length. The nut is rotated by a motor, usually a stepper motor, which uses beam coupling to accommodate misalignments in the high-speed movement of the screw. Nuts are used to secure screw shafts to machined parts, and also to mount bearings on adapter sleeves and withdrawal sleeves. There are several types of nut for screw shafts. Some have radial anti-backlash properties, which prevent unwanted radial clearances. In addition, they are designed to compensate for thread wear. Several nut styles are available, including anti-backlash radial nuts, which have a spring that pushes down on the nut’s flexible fingers. Axial anti-backlash nuts also provide thread-locking properties. To install a ball nut, you must first align the tangs of the ball and nut. Then, you must place the adjusting nut on the shaft and tighten it against the spacer and spring washer. Then, you need to lubricate the threads, the ball grooves, and the spring washers. Once you’ve installed the nut, you can now install the ball screw assembly. A nut for screw shaft can be made with either a ball or a socket. These types differ from hex nuts in that they don’t need end support bearings, and are rigidly mounted at the ends. These screws can also have internal cooling mechanisms to improve rigidity. In this way, they are easier to tension than rotating screws. You can also buy hollow stationary screws for rotator nut assemblies. This type is great for applications requiring high heat and wide temperature changes, but you should be sure to follow the manufacturer’s instructions.
Full Automatic Hydraulic Motor Drive C75~300 Purlin Roll Forming Machine with High Quality PLC
Product Description
Automatic Change Type C Purlin Roll Forming Machine For C75~300 Profile
Material Lip(A):10~25±1mm Effective width tolerance:±0.5mm Height(B):C30~80±0.5mm The length of tolerance:±2(6m) Web(H/C):C75~300±0.5mm Material Thickness:1.0-3.0mm Applicable material:Galvanized Sheet(GI) Yield Strength:234-345Mpa Cold Roll Steel(CRC),Hot Roll Steel(HRC)
Feeding and Leveling Device
Hydraulic Pre-Cutting&Punching Device
Pre-punching and pre-cutting, use the same hydraulic system Hydraulic motor:7.5KW, Punching and Cutting tool material:mold steel Cr12MoV,Heat treatment 1-cylinder hole punching system for punching both on web and flange
Main Machine
Body frame made from H450 type steel by welding Side wall thickness: Q235 t30mm Rollers manufactured from GCr15/Cr12 steel,CNC lathes,Heat Treatment Shafts Diameter=ф90,precision machined Gear/Sprocket driving,about 21-step to form Main Motor=18.5KW , Frequency speed control Speed redcucer motor:K series Size changing motor:6pcs(Auto change the width ,height and lip),Automatically controlled by PLC Programing
Post Hydraulic Cutting Device
Post to cut, stop to cutting,Two pieces type of cutting blade design, no blanking Hydraulic motor:7.5KW,with Hydrualic Pre-Punching Device Share a hydraulic station ; Cutting tool material: Cr12MoV,Heat treatment to HRC58-62 degree The cutting power is provided by the main engine hydraulic station
PLC Control System Control The Quantity And Cutting Length Automatically Input The Production Data(Production Batch,pcs,Length,etc.)On The Touch Screen ,It Can Finish The Production Automatically.
Combined With
PLC, Inverter, Touch Screen, Encoder, etc
PLC
Siemens (German brand)/Schneider(French brand)
Inverter
Siemens (German brand)/Schneider(French brand)
7-Inch Color Touch Screen
Siemens (German brand)/Schneider(French brand)
Encoder
Omron (Japan brand)Switch Bottom, Indicate Light, Power Supply, Intermediate Relay, AC Contactor
Thermal Relay
Siemens(German brand)/Schneider(French brand)
Air Switch
LG-LS(Korea brand) Cut-to-Length Tolerance≤±1 mm Control Voltage 24V
After-Sale Service 1. The warranty is 24 months after the client receives the machine. Within The 24months, we will courier the replacement parts to the client free of charge 2.We offer technical support for the entire life of our machines 3. We can send our technicians to install and train the workers in the clients’ factories with extra cost
Terms Of Trade
Minimum order quantity (MOQ)
1 Set
Delivery time
about 45 workdays
Port of loading
port of HangZhou
Type of payment
by T/T or by L/C
Export
to more than 80 countries and regions, including South Korea, ZheJiang , UK, Ireland, Greece, Australia, USA, Mexico, Brazil, Russia, Saudi Arabia, UAE, Iran , India, Singapore, Malaysia, Thailand, Indonesia, Philippines, Vietnam, South Africa, Nigeria, Egypt, etc
Packing Style
Packing method
Main body of machine is naked and covered by plastic film(to protect of dust and corrosion), loaded into container and steadily fixed in container suitable by steel rope and lock, suitable for long-distance transportation.
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Company Profile
Guide to Drive Shafts and U-Joints
If you’re concerned about the performance of your car’s driveshaft, you’re not alone. Many car owners are unaware of the warning signs of a failed driveshaft, but knowing what to look for can help you avoid costly repairs. Here is a brief guide on drive shafts, U-joints and maintenance intervals. Listed below are key points to consider before replacing a vehicle driveshaft.
Symptoms of Driveshaft Failure
Identifying a faulty driveshaft is easy if you’ve ever heard a strange noise from under your car. These sounds are caused by worn U-joints and bearings supporting the drive shaft. When they fail, the drive shafts stop rotating properly, creating a clanking or squeaking sound. When this happens, you may hear noise from the side of the steering wheel or floor. In addition to noise, a faulty driveshaft can cause your car to swerve in tight corners. It can also lead to suspended bindings that limit overall control. Therefore, you should have these symptoms checked by a mechanic as soon as you notice them. If you notice any of the symptoms above, your next step should be to tow your vehicle to a mechanic. To avoid extra trouble, make sure you’ve taken precautions by checking your car’s oil level. In addition to these symptoms, you should also look for any noise from the drive shaft. The first thing to look for is the squeak. This was caused by severe damage to the U-joint attached to the drive shaft. In addition to noise, you should also look for rust on the bearing cap seals. In extreme cases, your car can even shudder when accelerating. Vibration while driving can be an early warning sign of a driveshaft failure. Vibration can be due to worn bushings, stuck sliding yokes, or even springs or bent yokes. Excessive torque can be caused by a worn center bearing or a damaged U-joint. The vehicle may make unusual noises in the chassis system. If you notice these signs, it’s time to take your car to a mechanic. You should check regularly, especially heavy vehicles. If you’re not sure what’s causing the noise, check your car’s transmission, engine, and rear differential. If you suspect that a driveshaft needs to be replaced, a certified mechanic can replace the driveshaft in your car.
Drive shaft type
Driveshafts are used in many different types of vehicles. These include four-wheel drive, front-engine rear-wheel drive, motorcycles and boats. Each type of drive shaft has its own purpose. Below is an overview of the 3 most common types of drive shafts: The driveshaft is a circular, elongated shaft that transmits torque from the engine to the wheels. Drive shafts often contain many joints to compensate for changes in length or angle. Some drive shafts also include connecting shafts and internal constant velocity joints. Some also include torsional dampers, spline joints, and even prismatic joints. The most important thing about the driveshaft is that it plays a vital role in transmitting torque from the engine to the wheels. The drive shaft needs to be both light and strong to move torque. While steel is the most commonly used material for automotive driveshafts, other materials such as aluminum, composites, and carbon fiber are also commonly used. It all depends on the purpose and size of the vehicle. Precision Manufacturing is a good source for OEM products and OEM driveshafts. So when you’re looking for a new driveshaft, keep these factors in mind when buying. Cardan joints are another common drive shaft. A universal joint, also known as a U-joint, is a flexible coupling that allows 1 shaft to drive the other at an angle. This type of drive shaft allows power to be transmitted while the angle of the other shaft is constantly changing. While a gimbal is a good option, it’s not a perfect solution for all applications. CZPT, Inc. has state-of-the-art machinery to service all types of drive shafts, from small cars to race cars. They serve a variety of needs, including racing, industry and agriculture. Whether you need a new drive shaft or a simple adjustment, the staff at CZPT can meet all your needs. You’ll be back on the road soon!
U-joint
If your car yoke or u-joint shows signs of wear, it’s time to replace them. The easiest way to replace them is to follow the steps below. Use a large flathead screwdriver to test. If you feel any movement, the U-joint is faulty. Also, inspect the bearing caps for damage or rust. If you can’t find the u-joint wrench, try checking with a flashlight. When inspecting U-joints, make sure they are properly lubricated and lubricated. If the joint is dry or poorly lubricated, it can quickly fail and cause your car to squeak while driving. Another sign that a joint is about to fail is a sudden, excessive whine. Check your u-joints every year or so to make sure they are in proper working order. Whether your u-joint is sealed or lubricated will depend on the make and model of your vehicle. When your vehicle is off-road, you need to install lubricable U-joints for durability and longevity. A new driveshaft or derailleur will cost more than a U-joint. Also, if you don’t have a good understanding of how to replace them, you may need to do some transmission work on your vehicle. When replacing the U-joint on the drive shaft, be sure to choose an OEM replacement whenever possible. While you can easily repair or replace the original head, if the u-joint is not lubricated, you may need to replace it. A damaged gimbal joint can cause problems with your car’s transmission or other critical components. Replacing your car’s U-joint early can ensure its long-term performance. Another option is to use 2 CV joints on the drive shaft. Using multiple CV joints on the drive shaft helps you in situations where alignment is difficult or operating angles do not match. This type of driveshaft joint is more expensive and complex than a U-joint. The disadvantages of using multiple CV joints are additional length, weight, and reduced operating angle. There are many reasons to use a U-joint on a drive shaft.
maintenance interval
Checking U-joints and slip joints is a critical part of routine maintenance. Most vehicles are equipped with lube fittings on the driveshaft slip joint, which should be checked and lubricated at every oil change. CZPT technicians are well-versed in axles and can easily identify a bad U-joint based on the sound of acceleration or shifting. If not repaired properly, the drive shaft can fall off, requiring expensive repairs. Oil filters and oil changes are other parts of a vehicle’s mechanical system. To prevent rust, the oil in these parts must be replaced. The same goes for transmission. Your vehicle’s driveshaft should be inspected at least every 60,000 miles. The vehicle’s transmission and clutch should also be checked for wear. Other components that should be checked include PCV valves, oil lines and connections, spark plugs, tire bearings, steering gearboxes and brakes. If your vehicle has a manual transmission, it is best to have it serviced by CZPT’s East Lexington experts. These services should be performed every 2 to 4 years or every 24,000 miles. For best results, refer to the owner’s manual for recommended maintenance intervals. CZPT technicians are experienced in axles and differentials. Regular maintenance of your drivetrain will keep it in good working order.
1000w Middle Drive motor electric mountain fat tire ebike with 100mm Alloy Wall rim
1 specification
Electric Specification
Bodywork Specification
Motor Type
Middle Drive,Bafang Brand 3rd Gen.
Frame
Aluminum Alloy 6061#
Motor Power
48V1000W
Tyres
26″*4.9inch HangZhou
Working Style
PAS with Torque Sensor
Rim
Alloy Wall 100mm with hole in matt black
Controller
BAFANG
Brake
F/R: Tektro Hydraulic brake
Display
BAFANG
Brake Lever
Tektro Cut-off while braking
Light
NO
Front Fork
Steel
Battery
Lithium battery Samung 48V17.5AH
Derailleur
Shimano Acera 7 speed
Charger
50-60HZ, AC90-240V
Other
Saddle:SR, Pedal:Wellgo
Performance
Business Item
Max Speed
32KM/H
Available Colors
Customized, Y.S color code
Range
65KM
Body Size
Max Loading
100KG
Packing Size
150*27*90CM
Climbing
20%
N.W / G.W
19KG/22KG
Charge Time
5-6H / Cricle Life > 600times
Container Load
20″- 78PCS 40″- 192PCS
2 Company information HangZhou Merry Gold Machinary Co.,ltd, is a manufacturer and trader specialized in machinery and electronics products such as ebike electric bicycle. We mainly offer motors, electric bicycles,electric vehicles and its spare parts, bicycle and its spare parts etc. We have exported our electric bikes and its rated products to over 60 countries in the world, especially in US, Canada, Mexico, France, Spain, Italy, Germany, Australia, New Zealand, Russia, North Europe etc All of our products can comply with international quality standards and are greatly meeting in a variety of markets around the world. For example, we have EN15194 European certificate, CE certificate and EEC certificate. These certificates ensure us can enter into any country. We can also provide OEMand ODM service if you need. We are located in HangZhou city, ZheJiang province, which is about 150km from ZheJiang city. If you are interested in any of our products or discuss a customized order, please feel free to contact us and kindly get back your comments to us. We are sure any of your feedback will get our prompt attention & reply. We are looking forward to establishing successful business relationships with clients all over the world.
3 packaging and shipping We fold electric bicycle and wrap them with foamed plastic films and pack them in cartons The electric bikes ordered by our clients can be shipped by sea, air and train.
4 Our service
1. OEM Manufacturing Welcome: product, package, etc… 2. Sample Order 3. All inquiries will be replied in 24 hours 4. After the sending,we will track the shipment for you each 2 days until it arrives. When you got the electric bicycle, please test them and give us a feedback. if you have any question, please contact us. we will offer the solve way for you.
5 Certificates
6 FAQ
Q1. What is your terms of packing? A: Generally,electric bicycle is packed with foam protection and foam block inside, cartons outside. If you have any legally registered patent, we can pack the electric bicycle in your branded boxed after getting your authorization letters.
Q2. What is your terms of payment? A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of electric bicycle and packages before you pay the balance.Q3. What is your terms of delivery? A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time? A: Generally, it will take 30-60 days after the receipt of deposit payment. If there are materials stocked for this style, then it takes around 15-30 days.
Q5. Can you produce according to the samples? A: Yes, the production can be arranged depending on your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy? A: The samples can be supplied if there are ready parts in stock, and the client will cover the sample and courier cost.
Q7. Do you test all of your electric bike bicycle before delivery? A: Yes, the goods are all 100% test and inspected before delivery.
Q8. How do you make our business long-term and good relationships? A: 1. We keep quality and competitive price to ensure our clients’ benefit; 2. We respect every customer as our friend and we sincerely do business no matter where they come from.
What is a driveshaft and how much does it cost to replace one?
Your vehicle is made up of many moving parts. Knowing each part is important because a damaged driveshaft can seriously damage other parts of the car. You may not know how important your driveshaft is, but it’s important to know if you want to fix your car. In this article, we’ll discuss what a driveshaft is, what its symptoms are, and how much it costs to replace a driveshaft.
Repair damaged driveshafts
A damaged driveshaft does not allow you to turn the wheels freely. It also exposes your vehicle to higher repair costs due to damaged driveshafts. If the drive shaft breaks while the car is in motion, it may cause a crash. Also, it can significantly affect the performance of the car. If you don’t fix the problem right away, you could risk more expensive repairs. If you suspect that the drive shaft is damaged, do the following. First, make sure the drive shaft is protected from dust, moisture, and dust. A proper driveshaft cover will prevent grease from accumulating in the driveshaft, reducing the chance of further damage. The grease will also cushion the metal-to-metal contact in the constant velocity joints. For example, hitting a soft material is better than hitting a metal wall. A damaged prop shaft can not only cause difficult cornering, but it can also cause the vehicle to vibrate, which can further damage the rest of the drivetrain. If the driveshaft is damaged, you can choose to fix it yourself or take it to a mechanic. Typically, driveshaft repairs cost around $200 to $300. Parts and labor may vary based on your vehicle type and type of repair. These parts can cost up to $600. However, if you don’t have a mechanical background, it’s better to leave it to a professional. If you notice that 1 of the 2 drive shafts is worn, it’s time to repair it. Worn bushings and bearings can cause the drive shaft to vibrate unnecessarily, causing it to break and cause further damage. You can also check the center bearing if there is any play in the bearing. If these symptoms occur, it is best to take your car to a mechanic as soon as possible.
Learn about U-joints
While most vehicles have at least 1 type of U-joint, there are other types available. CV joints (also known as hot rod joints) are used in a variety of applications. The minor axis is shorter than the major axis on which the U-joint is located. In both cases, the U-joints are lubricated at the factory. During servicing, the drive shaft slip joint should be lubricated. There are 2 main styles of U-joints, including forged and press fit. They are usually held in place by C-clamps. Some of these U-joints have knurls or grooves. When selecting the correct fitting, be sure to measure the entire fitting. To make sure you get the correct size, you can use the size chart or check the manual for your specific model. In addition to lubrication, the condition of the U-joint should be checked regularly. Lubricate them regularly to avoid premature failure. If you hear a clicking sound when shifting gears, the u-joint space may be misaligned. In this case, the bearing may need to be serviced. If there is insufficient grease in the bearings, the universal joint may need to be replaced. U-joint is an important part of the automobile transmission shaft. Without them, your car would have no wheeled suspension. Without them, your vehicle will have a rickety front end and a wobbly rear end. Because cars can’t drive on ultra-flat surfaces, they need flexible driveshafts. The U-joint compensates for this by allowing it to move up and down with the suspension. A proper inspection will determine if your u-joints are loose or worn. It should be easy to pull them out. Make sure not to pull them all the way out. Also, the bearing caps should not move. Any signs of roughness or wear would indicate a need for a new UJ. Also, it is important to note that worn UJs cannot be repaired.
Symptoms of Driveshaft Failure
One of the most common problems associated with a faulty driveshaft is difficulty turning the wheels. This severely limits your overall control over the vehicle. Fortunately, there are several symptoms that could indicate that your driveshaft is failing. You should take immediate steps to determine the cause of the problem. One of the most common causes of driveshaft failure is a weak or faulty reverse gear. Other common causes of driveshaft damage include driving too hard, getting stuck in reverse gear and differential lock. Another sign of a failed driveshaft is unusual noise while driving. These noises are usually the result of wear on the bushings and bearings that support the drive shaft. They can also cause your car to screech or scratch when switching from drive to idle. Depending on the speed, the noise may be accompanied by vibration. When this happens, it’s time to send your vehicle in for a driveshaft replacement. One of the most common symptoms of driveshaft failure is noticeable jitter when accelerating. This could be a sign of a loose U-joint or worn center bearing. You should thoroughly inspect your car to determine the cause of these sounds and corresponding symptoms. A certified mechanic can help you determine the cause of the noise. A damaged propshaft can severely limit the drivability of the vehicle. Regular inspection of the drive shaft can prevent serious damage. Depending on the damage, you can replace the driveshaft for anywhere from $500 to $1,000. Depending on the severity of the damage and the level of repair, the cost will depend on the number of parts that need to be replaced. Do not drive with a bad driveshaft as it can cause a serious crash. There are several ways to avoid this problem entirely. The first symptom to look for is a worn U-joint. If the U-joint comes loose or moves too much when trying to turn the steering wheel, the driveshaft is faulty. If you see visible rust on the bearing cap seals, you can take your car to a mechanic for a thorough inspection. A worn u-joint can also indicate a problem with the transmission.
The cost of replacing the drive shaft
Depending on your state and service center, a driveshaft repair can cost as little as $300 or as high as $2,000, depending on the specifics of your car. Labor costs are usually around $70. Prices for the parts themselves range from $400 to $600. Labor costs also vary by model and vehicle make. Ultimately, the decision to repair or replace the driveshaft will depend on whether you need a quick car repair or a full car repair. Some cars have 2 separate driveshafts. One goes to the front and the other goes to the back. If your car has 4 wheel drive, you will have two. If you’re replacing the axles of an all-wheel-drive car, you’ll need a special part for each axle. Choosing the wrong 1 can result in more expensive repairs. Before you start shopping, you should know exactly how much it will cost. Depending on the type of vehicle you own, a driveshaft replacement will cost between PS250 and PS500. Luxury cars can cost as much as PS400. However, for safety and the overall performance of the car, replacing the driveshaft may be a necessary repair. The cost of replacing a driveshaft depends on how long your car has been on the road and how much wear and tear it has experienced. There are some symptoms that indicate a faulty drive shaft and you should take immediate action. Repairs can be expensive, so it’s best to hire a mechanic with experience in the field. You’ll be spending hundreds of dollars a month, but you’ll have peace of mind knowing the job will be done right. Remember that you may want to ask a friend or family member to help you. Depending on the make and model of your car, replacing the driveshaft is more expensive than replacing the parts and doing it yourself. If you suspect that your drive shaft is damaged, be sure to fix it as soon as possible. It is not advisable to drive a car with abnormal vibration and sound for a long time. Fortunately, there are some quick ways to fix the problem and avoid costly repairs later. If you’ve noticed the symptoms above, it’s worth getting the job done. There are many signs that your driveshaft may need service, including lack of power or difficulty moving the vehicle.
Product Description Stainless steel flange electric ball valve is a rotating ball valve with the angle range from 0 degree to 90 degree, which presents good seal performance, large flow capacity, small flow resistance coefficient, simple structure, convenient maintenance, long service life. The channel of the body and the connecting pipe has the equal diameter to be connected together, which allows medium to flow almost no loss.
The parameter
Power supply
AC220V
Body size
DN15-250
Medium Temp
-80°C~160°C(no congelation.)
Operating pressure
PN1.0~2.5(MPa)
Action mode
4-20mA Signal input feedback, 0-90° gyration
Action time
4~30S
Body connections
Flange
Body material
WCB, ZG1CrM0, ZG1Cr18Ni9Ti
Sealed material
PTFE
Actuator material
Casting aluminum alloy
Applicable medium
Acid, alkali, salt, chlorine gas, steam, source water, mine pulp and paper pulp, CZPT regia, oxidant, reducing agent, corrosive chemical liquid.
Installation size figure
DN(mm)
L
D
K
D1
n-Φd
b
f
H1
H2
W1
W2
15
130
95
65
46
4-Φ14
14
2
250
50
196
145
20
140
105
75
56
4-Φ14
16
2
255
55
196
145
25
150
115
85
65
4-Φ14
16
2
260
60
196
145
32
165
135
1 times lifetime tests. With the ERP and CRM systems applied in management,they enhance the resource and information level and improve the ability of customer relationship.High quality and good service are our advantages to win the market.
Certificates & Test reports
Application
Types of Splines
There are 4 types of splines: Involute, Parallel key, helical, and ball. Learn about their characteristics. And, if you’re not sure what they are, you can always request a quotation. These splines are commonly used for building special machinery, repair jobs, and other applications. The CZPT Manufacturing Company manufactures these shafts. It is a specialty manufacturer and we welcome your business.
Involute splines
The involute spline provides a more rigid and durable structure, and is available in a variety of diameters and spline counts. Generally, steel, carbon steel, or titanium are used as raw materials. Other materials, such as carbon fiber, may be suitable. However, titanium can be difficult to produce, so some manufacturers make splines using other constituents. When splines are used in shafts, they prevent parts from separating during operation. These features make them an ideal choice for securing mechanical assemblies. Splines with inward-curving grooves do not have sharp corners and are therefore less likely to break or separate while they are in operation. These properties help them to withstand high-speed operations, such as braking, accelerating, and reversing. A male spline is fitted with an externally-oriented face, and a female spline is inserted through the center. The teeth of the male spline typically have chamfered tips to provide clearance with the transition area. The radii and width of the teeth of a male spline are typically larger than those of a female spline. These specifications are specified in ANSI or DIN design manuals. The effective tooth thickness of a spline depends on the involute profile error and the lead error. Also, the spacing of the spline teeth and keyways can affect the effective tooth thickness. Involute splines in a splined shaft are designed so that at least 25 percent of the spline teeth engage during coupling, which results in a uniform distribution of load and wear on the spline.
Parallel key splines
A parallel splined shaft has a helix of equal-sized grooves around its circumference. These grooves are generally parallel or involute. Splines minimize stress concentrations in stationary joints and allow linear and rotary motion. Splines may be cut or cold-rolled. Cold-rolled splines have more strength than cut spines and are often used in applications that require high strength, accuracy, and a smooth surface. A parallel key splined shaft features grooves and keys that are parallel to the axis of the shaft. This design is best suited for applications where load bearing is a primary concern and a smooth motion is needed. A parallel key splined shaft can be made from alloy steels, which are iron-based alloys that may also contain chromium, nickel, molybdenum, copper, or other alloying materials. A splined shaft can be used to transmit torque and provide anti-rotation when operating as a linear guide. These shafts have square profiles that match up with grooves in a mating piece and transmit torque and rotation. They can also be easily changed in length, and are commonly used in aerospace. Its reliability and fatigue life make it an excellent choice for many applications. The main difference between a parallel key splined shaft and a keyed shaft is that the former offers more flexibility. They lack slots, which reduce torque-transmitting capacity. Splines offer equal load distribution along the gear teeth, which translates into a longer fatigue life for the shaft. In agricultural applications, shaft life is essential. Agricultural equipment, for example, requires the ability to function at high speeds for extended periods of time.
Involute helical splines
Involute splines are a common design for splined shafts. They are the most commonly used type of splined shaft and feature equal spacing among their teeth. The teeth of this design are also shorter than those of the parallel spline shaft, reducing stress concentration. These splines can be used to transmit power to floating or permanently fixed gears, and reduce stress concentrations in the stationary joint. Involute splines are the most common type of splined shaft, and are widely used for a variety of applications in automotive, machine tools, and more. Involute helical spline shafts are ideal for applications involving axial motion and rotation. They allow for face coupling engagement and disengagement. This design also allows for a larger diameter than a parallel spline shaft. The result is a highly efficient gearbox. Besides being durable, splines can also be used for other applications involving torque and energy transfer. A new statistical model can be used to determine the number of teeth that engage for a given load. These splines are characterized by a tight fit at the major diameters, thereby transferring concentricity from the shaft to the female spline. A male spline has chamfered tips for clearance with the transition area. ANSI and DIN design manuals specify the different classes of fit. The design of involute helical splines is similar to that of gears, and their ridges or teeth are matched with the corresponding grooves in a mating piece. It enables torque and rotation to be transferred to a mate piece while maintaining alignment of the 2 components. Different types of splines are used in different applications. Different splines can have different levels of tooth height.
Involute ball splines
When splines are used, they allow the shaft and hub to engage evenly over the shaft’s entire circumference. Because the teeth are evenly spaced, the load that they can transfer is uniform and their position is always the same regardless of shaft length. Whether the shaft is used to transmit torque or to transmit power, splines are a great choice. They provide maximum strength and allow for linear or rotary motion. There are 3 basic types of splines: helical, crown, and ball. Crown splines feature equally spaced grooves. Crown splines feature involute sides and parallel sides. Helical splines use involute teeth and are often used in small diameter shafts. Ball splines contain a ball bearing inside the splined shaft to facilitate rotary motion and minimize stress concentration in stationary joints. The 2 types of splines are classified under the ANSI classes of fit. Fillet root splines have teeth that mesh along the longitudinal axis of rotation. Flat root splines have similar teeth, but are intended to optimize strength for short-term use. Both types of splines are important for ensuring the shaft aligns properly and is not misaligned. The friction coefficient of the hub is a complex process. When the hub is off-center, the center moves in predictable but irregular motion. Moreover, when the shaft is centered, the center may oscillate between being centered and being off-center. To compensate for this, the torque must be adequate to keep the shaft in its axis during all rotation angles. While straight-sided splines provide similar centering, they have lower misalignment load factors.
Keyed shafts
Essentially, splined shafts have teeth or ridges that fit together to transfer torque. Because splines are not as tall as involute gears, they offer uniform torque transfer. Additionally, they provide the opportunity for torque and rotational changes and improve wear resistance. In addition to their durability, splined shafts are popular in the aerospace industry and provide increased reliability and fatigue life. Keyed shafts are available in different materials, lengths, and diameters. When used in high-power drive applications, they offer higher torque and rotational speeds. The higher torque they produce helps them deliver power to the gearbox. However, they are not as durable as splined shafts, which is why the latter is usually preferred in these applications. And while they’re more expensive, they’re equally effective when it comes to torque delivery. Parallel keyed shafts have separate profiles and ridges and are used in applications requiring accuracy and precision. Keyed shafts with rolled splines are 35% stronger than cut splines and are used where precision is essential. These splines also have a smooth finish, which can make them a good choice for precision applications. They also work well with gears and other mechanical systems that require accurate torque transfer. Carbon steel is another material used for splined shafts. Carbon steel is known for its malleability, and its shallow carbon content helps create reliable motion. However, if you’re looking for something more durable, consider ferrous steel. This type contains metals such as nickel, chromium, and molybdenum. And it’s important to remember that carbon steel is not the only material to consider.
A splined shaft is a machine component with internal and external splines. The splines are formed in 4 different ways: Involute, Parallel, Serrated, and Ball. You can learn more about each type of spline in this article. When choosing a splined shaft, be sure to choose the right 1 for your application. Read on to learn about the different types of splines and how they affect the shaft’s performance.
Involute splines
Involute splines in a splined shaft are used to secure and extend mechanical assemblies. They are smooth, inwardly curving grooves that resist separation during operation. A shaft with involute splines is often longer than the shaft itself. This feature allows for more axial movement. This is beneficial for many applications, especially in a gearbox. The involute spline is a shaped spline, similar to a parallel spline. It is angled and consists of teeth that create a spiral pattern that enables linear and rotatory motion. It is distinguished from other splines by the serrations on its flanks. It also has a flat top. It is a good option for couplers and other applications where angular movement is necessary. Involute splines are also called involute teeth because of their shape. They are flat on the top and curved on the sides. These teeth can be either internal or external. As a result, involute splines provide greater surface contact, which helps reduce stress and fatigue. Regardless of the shape, involute splines are generally easy to machine and fit. Involute splines are a type of splines that are used in splined shafts. These splines have different names, depending on their diameters. An example set of designations is for a 32-tooth male spline, a 2,500-tooth module, and a 30 degree pressure angle. An example of a female spline, a fillet root spline, is used to describe the diameter of the splined shaft. The effective tooth thickness of splines is dependent on the number of keyways and the type of spline. Involute splines in splined shafts should be designed to engage 25 to 50 percent of the spline teeth during the coupling. Involute splines should be able to withstand the load without cracking.
Parallel splines
Parallel splines are formed on a splined shaft by putting 1 or more teeth into another. The male spline is positioned at the center of the female spline. The teeth of the male spline are also parallel to the shaft axis, but a common misalignment causes the splines to roll and tilt. This is common in many industrial applications, and there are a number of ways to improve the performance of splines. Typically, parallel splines are used to reduce friction in a rotating part. The splines on a splined shaft are narrower on the end face than the interior, which makes them more prone to wear. This type of spline is used in a variety of industries, such as machinery, and it also allows for greater efficiency when transmitting torque. Involute splines on a splined shaft are the most common. They have equally spaced teeth, and are therefore less likely to crack due to fatigue. They also tend to be easy to cut and fit. However, they are not the best type of spline. It is important to understand the difference between parallel and involute splines before deciding on which spline to use. The difference between splined and involute splines is the size of the grooves. Involute splines are generally larger than parallel splines. These types of splines provide more torque to the gear teeth and reduce stress during operation. They are also more durable and have a longer life span. And because they are used on farm machinery, they are essential in this type of application.
Serrated splines
A Serrated Splined Shaft has several advantages. This type of shaft is highly adjustable. Its large number of teeth allows large torques, and its shorter tooth width allows for greater adjustment. These features make this type of shaft an ideal choice for applications where accuracy is critical. Listed below are some of the benefits of this type of shaft. These benefits are just a few of the advantages. Learn more about this type of shaft. The process of hobbing is inexpensive and highly accurate. It is useful for external spline shafts, but is not suitable for internal splines. This type of process forms synchronized shapes on the shaft, reducing the manufacturing cycle and stabilizing the relative phase between spline and thread. It uses a grinding wheel to shape the shaft. CZPT Manufacturing has a large inventory of Serrated Splined Shafts. The teeth of a Serrated Splined Shaft are designed to engage with the hub over the entire circumference of the shaft. The teeth of the shaft are spaced uniformly around the spline, creating a multiple-tooth point of contact over the entire length of the shaft. The results of these analyses are usually satisfactory. But there are some limitations. To begin with, the splines of the Serrated Splined Shaft should be chosen carefully. If the application requires large-scale analysis, it may be necessary to modify the design. The splines of the Serrated Splined Shaft are also used for other purposes. They can be used to transmit torque to another device. They also act as an anti-rotational device and function as a linear guide. Both the design and the type of splines determine the function of the Splined Shaft. In the automobile industry, they are used in vehicles, aerospace, earth-moving machinery, and many other industries.
Ball splines
The invention relates to a ball-spinned shaft. The shaft comprises a plurality of balls that are arranged in a series and are operatively coupled to a load path section. The balls are capable of rolling endlessly along the path. This invention also relates to a ball bearing. Here, a ball bearing is 1 of the many types of gears. The following discussion describes the features of a ball bearing. A ball-splined shaft assembly comprises a shaft with at least 1 ball-spline groove and a plurality of circumferential step grooves. The shaft is held in a first holding means that extends longitudinally and is rotatably held by a second holding means. Both the shaft and the first holding means are driven relative to 1 another by a first driving means. It is possible to manufacture a ball-splined shaft in a variety of ways. A ball-splined shaft features a nut with recirculating balls. The ball-splined nut rides in these grooves to provide linear motion while preventing rotation. A splined shaft with a nut that has recirculating balls can also provide rotary motion. A ball splined shaft also has higher load capacities than a ball bushing. For these reasons, ball splines are an excellent choice for many applications. In this invention, a pair of ball-spinned shafts are housed in a box under a carrier device 40. Each of the 2 shafts extends along a longitudinal line of arm 50. One end of each shaft is supported rotatably by a slide block 56. The slide block also has a support arm 58 that supports the center arm 50 in a cantilever fashion.
Sector no-go gage
A no-go gauge is a tool that checks the splined shaft for oversize. It is an effective way to determine the oversize condition of a splined shaft without removing the shaft. It measures external splines and serrations. The no-go gage is available in sizes ranging from 19mm to 130mm with a 25mm profile length. The sector no-go gage has 2 groups of diametrally opposed teeth. The space between them is manufactured to a maximum space width and the tooth thickness must be within a predetermined tolerance. This gage would be out of tolerance if the splines were measured with a pin. The dimensions of this splined shaft can be found in the respective ANSI or DIN standards. The go-no-go gage is useful for final inspection of thread pitch diameter. It is also useful for splined shafts and threaded nuts. The thread of a screw must match the contour of the go-no-go gage head to avoid a no-go condition. There is no substitute for a quality machine. It is an essential tool for any splined shaft and fastener manufacturer. The NO-GO gage can detect changes in tooth thickness. It can be calibrated under ISO17025 standards and has many advantages over a non-go gage. It also gives a visual reference of the thickness of a splined shaft. When the teeth match, the shaft is considered ready for installation. It is a critical process. In some cases, it is impossible to determine the precise length of the shaft spline. The 45-degree pressure angle is most commonly used for axles and torque-delivering members. This pressure angle is the most economical in terms of tool life, but the splines will not roll neatly like a 30 degree angle. The 45-degree spline is more likely to fall off larger than the other two. Oftentimes, it will also have a crowned look. The 37.5 degree pressure angle is a compromise between the other 2 pressure angles. It is often used when the splined shaft material is harder than usual.
Lawn Mower Drive Brushless DC Planetary Gear Motor
Micro BL DC Planetary Gear Motor Model: 36JXE30K/36ZWNP57(with external driver) Voltage: 4 ~ 400V DC CE, Reach and RoHS approval Customized shaft dimensions and technical specs. are available upon requested
Packaging & Shipping:
1, Waterproof plastic bag packed in foam box and carton as outer packing. 2, Export wooden box packaging for products.
Company Profile
WHY CHOOSING US:
Open for general discussion and questions
Time to market or theatre of operations can be substantially reduced
Talented team of engineers providing innovative technical solutions
One stop “supplier” and complete sub-system
Quality products provided at competitive low cost
Ability to ship world wide
On time delivery
Training at Customer locations
Fast service on return and repair results
Many repeated customers
Xihu (West Lake) Dis.zheng Motor Co., Ltd was established in 2003, this is a technology research and development, production, sales and services of state-level high-tech enterprises.
The corporation has established a perfect quality assurance system, achieved ISO9001: 2015 quality Management system, ISO14001 Environmental management system, GB/T28001 Occupational CZPT and Safety Management system.
The corporation professionally manufactures kinds of AC/DC gear motors, planetary gear motors, small gear motors, etc. Which are widely used in industrial automation, medical and health-care equipment, financial instruments, office automation, swimming pool cleaners, high efficiency juice, intelligent lawn mower, solar Automatic tracking system, kinds of massage CZPT care equipment, automatic doors, etc…And has obtained the following Production Certifications: CCC &CE identification, RoHS&REACH certificate, . The mainly markets are the USA, Europe, Israel, South Korea, Japan, ZheJiang , etc.
OVERVIEW HangZhou City Xihu (West Lake) Dis.zheng Motor Co., Ltd. is a state-level high-tech enterprises which Professionally involves in research, development, manufacture, and sales of various AC/DC Planetary Gear Motors, AC/DC Right Angle Gear Motors, AC/DC Parallel Shaft Gear Motors, Small DC Motors, Compact AC Motors, Brushless DC Gear Motors, Motor Magnets, Gearboxes etc..
CERTIFICATION & MANAGEMENT All have passed the REACH, CE & CCC approval, RoHS Compliance, in part pass the UL approval; Adopting the ISO9001: 2015 Quality Management System, ISO14001 Environmental Management System as well as OHSAS18001 Occupational CZPT and Safety Management System.
Our Services & Strength
Sufficient Sales Teams for International Business
Strong R & D Capability
Large Production Capacities Stable Massive Production Quality Excellent Pre and after Sales Service
Certifications
FAQ
Q1: Are you a trading company or manufacturer? A1: We are a professional OEM manufacturer.
Q2: What is your main product range?
A2: We manufacture both motors and gearboxes. Our main products are various AC/DC Planetary Gear Motors, AC/DC Right Angle Gear Motors, AC/DC Parallel Shaft Gear Motors, Small DC Motors, Compact AC Motors, Brushless DC Gear Motors, Motor Magnets, Gearboxes etc..
Q3: How about the MOQ of your motors?
A3: Customized testing samples are available before serial production.
Q4: What is the warranty period of your motors?
A4: We offer free maintenance in warranty period of 1 year.
Q5: Which shipping ways are available?
A5: DHL, UPS, FedEx, TNT are available for sample shipment. Sea/air/train shipments are available for serial production.
Different parts of the drive shaft
The driveshaft is the flexible rod that transmits torque between the transmission and the differential. The term drive shaft may also refer to a cardan shaft, a transmission shaft or a propeller shaft. Parts of the drive shaft are varied and include: The driveshaft is a flexible rod that transmits torque from the transmission to the differential
When the driveshaft in your car starts to fail, you should seek professional help as soon as possible to fix the problem. A damaged driveshaft can often be heard. This noise sounds like “tak tak” and is usually more pronounced during sharp turns. However, if you can’t hear the noise while driving, you can check the condition of the car yourself. The drive shaft is an important part of the automobile transmission system. It transfers torque from the transmission to the differential, which then transfers it to the wheels. The system is complex, but still critical to the proper functioning of the car. It is the flexible rod that connects all other parts of the drivetrain. The driveshaft is the most important part of the drivetrain, and understanding its function will make it easier for you to properly maintain your car. Driveshafts are used in different vehicles, including front-wheel drive, four-wheel drive, and front-engine rear-wheel drive. Drive shafts are also used in motorcycles, locomotives and ships. Common front-engine, rear-wheel drive vehicle configurations are shown below. The type of tube used depends on the size, speed and strength of the drive shaft. The output shaft is also supported by the output link, which has 2 identical supports. The upper part of the drive module supports a large tapered roller bearing, while the opposite flange end is supported by a parallel roller bearing. This ensures that the torque transfer between the differentials is efficient. If you want to learn more about car differentials, read this article.
It is also known as cardan shaft, propeller shaft or drive shaft
A propshaft or propshaft is a mechanical component that transmits rotation or torque from an engine or transmission to the front or rear wheels of a vehicle. Because the axes are not directly connected to each other, it must allow relative motion. Because of its role in propelling the vehicle, it is important to understand the components of the driveshaft. Here are some common types. Isokinetic Joint: This type of joint guarantees that the output speed is the same as the input speed. To achieve this, it must be mounted back-to-back on a plane that bisects the drive angle. Then mount the 2 gimbal joints back-to-back and adjust their relative positions so that the velocity changes at 1 joint are offset by the other joint. Driveshaft: The driveshaft is the transverse shaft that transmits power to the front wheels. Driveshaft: The driveshaft connects the rear differential to the transmission. The shaft is part of a drive shaft assembly that includes a drive shaft, a slip joint, and a universal joint. This shaft provides rotational torque to the drive shaft. Dual Cardan Joints: This type of driveshaft uses 2 cardan joints mounted back-to-back. The center yoke replaces the intermediate shaft. For the duplex universal joint to work properly, the angle between the input shaft and the output shaft must be equal. Once aligned, the 2 axes will operate as CV joints. An improved version of the dual gimbal is the Thompson coupling, which offers slightly more efficiency at the cost of added complexity.
It transmits torque at different angles between driveline components
A vehicle’s driveline consists of various components that transmit power from the engine to the wheels. This includes axles, propshafts, CV joints and differentials. Together, these components transmit torque at different angles between driveline components. A car’s powertrain can only function properly if all its components work in harmony. Without these components, power from the engine would stop at the transmission, which is not the case with a car. The CV driveshaft design provides smoother operation at higher operating angles and extends differential and transfer case life. The assembly’s central pivot point intersects the joint angle and transmits smooth rotational power and surface speed through the drivetrain. In some cases, the C.V. “U” connector. Drive shafts are not the best choice because the joint angles of the “U” joints are often substantially unequal and can cause torsional vibration. Driveshafts also have different names, including driveshafts. A car’s driveshaft transfers torque from the transmission to the differential, which is then distributed to other driveline components. A power take-off (PTO) shaft is similar to a prop shaft. They transmit mechanical power to connected components. They are critical to the performance of any car. If any of these components are damaged, the entire drivetrain will not function properly. A car’s powertrain can be complex and difficult to maintain. Adding vibration to the drivetrain can cause premature wear and shorten overall life. This driveshaft tip focuses on driveshaft assembly, operation, and maintenance, and how to troubleshoot any problems that may arise. Adding proper solutions to pain points can extend the life of the driveshaft. If you’re in the market for a new or used car, be sure to read this article.
it consists of several parts
“It consists of several parts” is 1 of 7 small prints. This word consists of 10 letters and is 1 of the hardest words to say. However, it can be explained simply by comparing it to a cow’s kidney. The cocoa bean has several parts, and the inside of the cocoa bean before bursting has distinct lines. This article will discuss the different parts of the cocoa bean and provide a fun way to learn more about the word.
Replacement is expensive
Replacing a car’s driveshaft can be an expensive affair, and it’s not the only part that needs servicing. A damaged drive shaft can also cause other problems. This is why getting estimates from different repair shops is essential. Often, a simple repair is cheaper than replacing the entire unit. Listed below are some tips for saving money when replacing a driveshaft. Listed below are some of the costs associated with repairs: First, learn how to determine if your vehicle needs a driveshaft replacement. Damaged driveshaft components can cause intermittent or lack of power. Additionally, improperly installed or assembled driveshaft components can cause problems with the daily operation of the car. Whenever you suspect that your car needs a driveshaft repair, seek professional advice. A professional mechanic will have the knowledge and experience needed to properly solve the problem. Second, know which parts need servicing. Check the u-joint bushing. They should be free of crumbs and not cracked. Also, check the center support bearing. If this part is damaged, the entire drive shaft needs to be replaced. Finally, know which parts to replace. The maintenance cost of the drive shaft is significantly lower than the maintenance cost. Finally, determine if the repaired driveshaft is suitable for your vehicle. If you suspect your driveshaft needs service, make an appointment with a repair shop as soon as possible. If you are experiencing vibration and rough riding, driveshaft repairs may be the best way to prevent costly repairs in the future. Also, if your car is experiencing unusual noise and vibration, a driveshaft repair may be a quick and easy solution. If you don’t know how to diagnose a problem with your car, you can take it to a mechanic for an appointment and a quote.
250W/350w CZPT M400 high speed brushless central motor
Battery
36V10Ah or 48V 10AH native/Samsung Li-ion battery
PAS
Torque Sensor
Controller
intelligent bruhsless.
Charger
AC 100V -240V 2amps smart charger
Charging time:4-6hours
Performance
Max speed
25km/h (EU)
Range
60-70km with 36V/10Ah li-ion battery(torque sensor).
Max load
120kgs
Net weight
27kgs
Gross weight
30kgs
Container load
90pcs/20ft container,180pcs/40ft container
Display
Smart CZPT LCD display
Main components
Frame
6061 aluminium alloy.
Tyres
700C CST/Kender tyre
Rim
Al alloy double wall and CNC side wall.
Front fork
TGS/SUNTOUR Al alloy fork with suspension function
Front brake
TEKTRO Disc brake
Rear brake
TEKTRO Disc brake
Speed gears
SHIMANO Acera 8 speeds
Rear derailleur
SHIMANO Acera 8 speeds
Stem
al alloy .
Brake lever
Al alloy with power off switch. PROMAX/TEKTRO
Chain
KMC Rust resistant chain.
Chain wheel
al alloy crank.
Mudguard
YES
Saddle
Comfortable SR Saddle from Italy
Lighting
front & rear light. LED
Pedal
Foldablestyle pedal .
Packing size
147 x 27 x 74cm special for exporting
More detailed pictures
Delivery and Package
Company Information
LOHAS VEHICLE is an electric bicycle factory which is located in HangZhou city, ZHangZhoug Province which is near ZheJiang and HangZhou . High speed train straight to arrive to our company.
We have more than 10years OEM experience, supported by top Technical Team and excellent Sales Team.
After developing the new electric bicycle,Staff in our company keep riding the bikes for commuter everyday ,to test the stability ,also to improve the model from every aspect.
FAQ
1. What’s the minimum order MOQ?
Our MOQ is 15pcs(30 pcs is required for special model )
2. What is the production and delivery time?
Production time is from 15 to 50days. Depending on the models.
3. Can I order a sample?
Yes. we will send a sample to you by shipping or DHL/TNT, but you must pay the sample and shipping or DHL/TNT fee.
4. How about warranty ?
alloy frame 3 years , motor 1 years, lithium battery 2 years, controller 1 years.
5. Could I use my own LOGO or design on goods?
Yes. When order quantity is big, you can use your own LOGO or your language manual etc,
6. Does company accept EURO ?
Yes. We also have EURO account, not only USD.
7. What is the payment terms?
We accept T/T, L/C, DP, DA , OA, West Union
8. How can I go to the factory ?
our factory is located in HangZhou city, ZHangZhoug province, China.
It is 1.5 hours by air from HangZhou; 2 hours by D-train from Shangha to HangZhou ;
9. Can we mix the 20ft/40ft/40HQ container?
Yes, you can mix it , you can mix 2-5 models in a 20FCL container for Alloy Electric bicycle
Contact us:
Thank you very much for visiting our website on alibaba. And also welcome to visit our factory.
LOHAS VEHICLE
How to Calculate the Diameter of a Worm Gear
In this article, we will discuss the characteristics of the Duplex, Single-throated, and Undercut worm gears and the analysis of worm shaft deflection. Besides that, we will explore how the diameter of a worm gear is calculated. If you have any doubt about the function of a worm gear, you can refer to the table below. Also, keep in mind that a worm gear has several important parameters which determine its working.
Duplex worm gear
A duplex worm gear set is distinguished by its ability to maintain precise angles and high gear ratios. The backlash of the gearing can be readjusted several times. The axial position of the worm shaft can be determined by adjusting screws on the housing cover. This feature allows for low backlash engagement of the worm tooth pitch with the worm gear. This feature is especially beneficial when backlash is a critical factor when selecting gears. The standard worm gear shaft requires less lubrication than its dual counterpart. Worm gears are difficult to lubricate because they are sliding rather than rotating. They also have fewer moving parts and fewer points of failure. The disadvantage of a worm gear is that you cannot reverse the direction of power due to friction between the worm and the wheel. Because of this, they are best used in machines that operate at low speeds. Worm wheels have teeth that form a helix. This helix produces axial thrust forces, depending on the hand of the helix and the direction of rotation. To handle these forces, the worms should be mounted securely using dowel pins, step shafts, and dowel pins. To prevent the worm from shifting, the worm wheel axis must be aligned with the center of the worm wheel’s face width. The backlash of the CZPT duplex worm gear is adjustable. By shifting the worm axially, the section of the worm with the desired tooth thickness is in contact with the wheel. As a result, the backlash is adjustable. Worm gears are an excellent choice for rotary tables, high-precision reversing applications, and ultra-low-backlash gearboxes. Axial shift backlash is a major advantage of duplex worm gears, and this feature translates into a simple and fast assembly process. When choosing a gear set, the size and lubrication process will be crucial. If you’re not careful, you might end up with a damaged gear or 1 with improper backlash. Luckily, there are some simple ways to maintain the proper tooth contact and backlash of your worm gears, ensuring long-term reliability and performance. As with any gear set, proper lubrication will ensure your worm gears last for years to come.
Single-throated worm gear
Worm gears mesh by sliding and rolling motions, but sliding contact dominates at high reduction ratios. Worm gears’ efficiency is limited by the friction and heat generated during sliding, so lubrication is necessary to maintain optimal efficiency. The worm and gear are usually made of dissimilar metals, such as phosphor-bronze or hardened steel. MC nylon, a synthetic engineering plastic, is often used for the shaft. Worm gears are highly efficient in transmission of power and are adaptable to various types of machinery and devices. Their low output speed and high torque make them a popular choice for power transmission. A single-throated worm gear is easy to assemble and lock. A double-throated worm gear requires 2 shafts, 1 for each worm gear. Both styles are efficient in high-torque applications. Worm gears are widely used in power transmission applications because of their low speed and compact design. A numerical model was developed to calculate the quasi-static load sharing between gears and mating surfaces. The influence coefficient method allows fast computing of the deformation of the gear surface and local contact of the mating surfaces. The resultant analysis shows that a single-throated worm gear can reduce the amount of energy required to drive an electric motor. In addition to the wear caused by friction, a worm wheel can experience additional wear. Because the worm wheel is softer than the worm, most of the wear occurs on the wheel. In fact, the number of teeth on a worm wheel should not match its thread count. A single-throated worm gear shaft can increase the efficiency of a machine by as much as 35%. In addition, it can lower the cost of running. A worm gear is used when the diametrical pitch of the worm wheel and worm gear are the same. If the diametrical pitch of both gears is the same, the 2 worms will mesh properly. In addition, the worm wheel and worm will be attached to each other with a set screw. This screw is inserted into the hub and then secured with a locknut.
Undercut worm gear
Undercut worm gears have a cylindrical shaft, and their teeth are shaped in an evolution-like pattern. Worms are made of a hardened cemented metal, 16MnCr5. The number of gear teeth is determined by the pressure angle at the zero gearing correction. The teeth are convex in normal and centre-line sections. The diameter of the worm is determined by the worm’s tangential profile, d1. Undercut worm gears are used when the number of teeth in the cylinder is large, and when the shaft is rigid enough to resist excessive load. The center-line distance of the worm gears is the distance from the worm centre to the outer diameter. This distance affects the worm’s deflection and its safety. Enter a specific value for the bearing distance. Then, the software proposes a range of suitable solutions based on the number of teeth and the module. The table of solutions contains various options, and the selected variant is transferred to the main calculation. A pressure-angle-angle-compensated worm can be manufactured using single-pointed lathe tools or end mills. The worm’s diameter and depth are influenced by the cutter used. In addition, the diameter of the grinding wheel determines the profile of the worm. If the worm is cut too deep, it will result in undercutting. Despite the undercutting risk, the design of worm gearing is flexible and allows considerable freedom. The reduction ratio of a worm gear is massive. With only a little effort, the worm gear can significantly reduce speed and torque. In contrast, conventional gear sets need to make multiple reductions to get the same reduction level. Worm gears also have several disadvantages. Worm gears can’t reverse the direction of power because the friction between the worm and the wheel makes this impossible. The worm gear can’t reverse the direction of power, but the worm moves from 1 direction to another. The process of undercutting is closely related to the profile of the worm. The worm’s profile will vary depending on the worm diameter, lead angle, and grinding wheel diameter. The worm’s profile will change if the generating process has removed material from the tooth base. A small undercut reduces tooth strength and reduces contact. For smaller gears, a minimum of 14-1/2degPA gears should be used.
Analysis of worm shaft deflection
To analyze the worm shaft deflection, we first derived its maximum deflection value. The deflection is calculated using the Euler-Bernoulli method and Timoshenko shear deformation. Then, we calculated the moment of inertia and the area of the transverse section using CAD software. In our analysis, we used the results of the test to compare the resulting parameters with the theoretical ones. We can use the resulting centre-line distance and worm gear tooth profiles to calculate the required worm deflection. Using these values, we can use the worm gear deflection analysis to ensure the correct bearing size and worm gear teeth. Once we have these values, we can transfer them to the main calculation. Then, we can calculate the worm deflection and its safety. Then, we enter the values into the appropriate tables, and the resulting solutions are automatically transferred into the main calculation. However, we have to keep in mind that the deflection value will not be considered safe if it is larger than the worm gear’s outer diameter. We use a four-stage process for investigating worm shaft deflection. We first apply the finite element method to compute the deflection and compare the simulation results with the experimentally tested worm shafts. Finally, we perform parameter studies with 15 worm gear toothings without considering the shaft geometry. This step is the first of 4 stages of the investigation. Once we have calculated the deflection, we can use the simulation results to determine the parameters needed to optimize the design. Using a calculation system to calculate worm shaft deflection, we can determine the efficiency of worm gears. There are several parameters to optimize gearing efficiency, including material and geometry, and lubricant. In addition, we can reduce the bearing losses, which are caused by bearing failures. We can also identify the supporting method for the worm shafts in the options menu. The theoretical section provides further information.
Solar Sun Panel Automatic Tracking Gear Reduction NMRV Worm Gearbox Tracker System Slewing Drive DC Geared Stepper Electrical Motor
Product Description
Solar tracker motor is also named solar tracking system controlling motor, it is used for solar power generation equipment. The motor has a very low speed, generally, 1~3 rpm which accords with the feature of a DC planetary gear motor. Because the reduction ratio of the planetary gearbox can be very large to achieve very low speed. The following DC planetary gear motors, stepping planetary gear motors can resist and work well in bad weather conditions with their safe and reliable use, and meet the demands of small and medium automatic tracking systems.
Detailed Photos
Typical applications
Product Parameters
No
Model
A52R50D24
1
Drive series
4
2
Gearbox Ratio
860.6:1
3
Rated output torque
400 Nm
4
Max torque
320 Nm
5
Rated output speed
1 rpm
6
Rated current (A)
5
7
Rated voltage(v)
24
8
Noise (dB)
≤60
9
Working temperature(ºC)
-40~80
10
IP Grade
IP65
Our Advantages
Company Profile
FAQ
Q: Can you make the gear motor with customization? A: Yes, we can customize per your request, like power, voltage, speed, shaft size, wires, connectors, IP grade, etc.
Q: Do you provide samples? A: Yes. The sample is available for testing.
Q: What is your MOQ? A: It is 10pcs for the beginning of our business.
Q: What’s your lead time? A: Standard products need 5-30days, a bit longer for customized products.
Q: Do you provide technical support? A: Yes. Our company have design and development team, we can provide technical support if you need.
Q: How to ship to us? A: It is available by air, or by sea, or by train.
Q: How to pay the money? A: T/T and L/C are preferred, with a different currency, including USD, EUR, RMB, etc.
Q: How can I know the product is suitable for me? A: >1ST confirm drawing and specification >2nd test sample >3rd start mass production.
Q: Can I come to your company to visit? A: Yes, you are welcome to visit us at any time.
Q: How shall we contact you? A:You can send an inquiry directly, and we will respond within 24 hours.
Standard Length Splined Shafts
Standard Length Splined Shafts are made from Mild Steel and are perfect for most repair jobs, custom machinery building, and many other applications. All stock splined shafts are 2-3/4 inches in length, and full splines are available in any length, with additional materials and working lengths available upon request and quotation. CZPT Manufacturing Company is proud to offer these standard length shafts.
Disc brake mounting interfaces that are splined
There are 2 common disc brake mounting interfaces, splined and center lock. Disc brakes with splined interfaces are more common. They are usually easier to install. The center lock system requires a tool to remove the locking ring on the disc hub. Six-bolt rotors are easier to install and require only 6 bolts. The center lock system is commonly used with performance road bikes. Post mount disc brakes require a post mount adapter, while flat mount disc brakes do not. Post mount adapters are more common and are used for carbon mountain bikes, while flat mount interfaces are becoming the norm on road and gravel bikes. All disc brake adapters are adjustable for rotor size, though. Road bikes usually use 160mm rotors while mountain bikes use rotors that are 180mm or 200mm.
Disc brake mounting interfaces that are helical splined
A helical splined disc brake mounting interface is designed with a splined connection between the hub and brake disc. This splined connection allows for a relatively large amount of radial and rotational displacement between the disc and hub. A loosely splined interface can cause a rattling noise due to the movement of the disc in relation to the hub. The splines on the brake disc and hub are connected via an air gap. The air gap helps reduce heat conduction from the brake disc to the hub. The present invention addresses problems of noise, heat, and retraction of brake discs at the release of the brake. It also addresses issues with skewing and dragging. If you’re unsure whether this type of mounting interface is right for you, consult your mechanic. Disc brake mounting interfaces that are helix-splined may be used in conjunction with other components of a wheel. They are particularly useful in disc brake mounting interfaces for hub-to-hub assemblies. The spacer elements, which are preferably located circumferentially, provide substantially the same function no matter how the brake disc rotates. Preferably, 3 spacer elements are located around the brake disc. Each of these spacer elements has equal clearance between the splines of the brake disc and the hub. Spacer elements 6 include a helical spring portion 6.1 and extensions in tangential directions that terminate in hooks 6.4. These hooks abut against the brake disc 1 in both directions. The helical spring portion 5.1 and 6.1 have stiffness enough to absorb radial impacts. The spacer elements are arranged around the circumference of the intermeshing zone. A helical splined disc mount includes a stabilizing element formed as a helical spring. The helical spring extends to the disc’s splines and teeth. The ends of the extension extend in opposite directions, while brackets at each end engage with the disc’s splines and teeth. This stabilizing element is positioned axially over the disc’s width. Helical splined disc brake mounting interfaces are popular in bicycles and road bicycles. They’re a reliable, durable way to mount your brakes. Splines are widely used in aerospace, and have a higher fatigue life and reliability. The interfaces between the splined disc brake and BB spindle are made from aluminum and acetate. As the splined hub mounts the disc in a helical fashion, the spring wire and disc 2 will be positioned in close contact. As the spring wire contacts the disc, it creates friction forces that are evenly distributed throughout the disc. This allows for a wide range of axial motion. Disc brake mounting interfaces that are helical splined have higher strength and stiffness than their counterparts. Disc brake mounting interfaces that are helically splined can have a wide range of splined surfaces. The splined surfaces are the most common type of disc brake mounting interfaces. They are typically made of stainless steel or aluminum and can be used for a variety of applications. However, a splined disc mount will not support a disc with an oversized brake caliper.
