Product Description

Overview

Freight wagons need to replace a large number of spare parts during long-term operation. CZPT as a specialist railway supplier that can supply most of the spare parts needed for a freight wagon.

2.Technical Description
The wheel set is key component of the Railway Bogie. It is also the most common and important spare part in railway industry.
One-wheel set contains 2 wheels,one axle,and 2 bearings. Depend on different application methods other special parts including gears,brake discs,axle box etc.

They could be used on wagon,locomotive,passenger car and more. The wheel has a cast wheel or a forged wheel, the axle and bearingscan be chose to the customer requirements.Vehicle and bogie performance parameters will define what wheel set configuration is required.
Relative standard:

1. TB/T 1718 Technical requirement of railway vehicle’s wheelset installation
2. UIC 813  Technical specification for the supply of wheelsets for tractive and trailing stock-Tolerances and assembly
3. BS 5892-6 Railway rolling stock materials – Specification for wheelsets for traction and trailing stock
4. EN 13260  Railway applications. Wheelsets and bogies. Wheelsets. Product requirements
5. JIS E4504 Wheelsets for railway rolling stock – Quality requirements

• TB/T 2945 Specifications of Steel LZ50 Axle and Billet for Rolling Stock, CHINA RAILWAY

• AAR M-101 Axles, Carbon Steel, Heat-Treated, AMERICAN ASSOCIATION RAILWAY

• UIC 811-1 Technical Specification for The Supply of Axles for tractive and Trailing Stock, INTERNATIONAL UNION OF RAILWAYS

• BS 5892-1 Specification for Axles for Traction and Trailing Stock, BRITISH STHangZhouRD

• EN 13261 Railway applications – Wheelsets and Bogies-Axles-Product Requirements, EUROPEAN STHangZhouRD

• JIS E4502 Axles for Railway Rolling Stock – Quality Requirements, JAPANESE INDUSTRIAL STHangZhouRD

• IRS 16/95 Indian Railway Standard Specification for Steel Axles for Carriages and Wagons, INDIAN RAILWAY

3.Photos

4.About Us
       
 

• Established in 2019, HangZhou CZPT Company was created to both supply and design components, complete passenger carriages, freight wagons and spare parts for the ever growing world railway market.
• Our technical engineers, sales personnel and management team have many combined years of extensive experience in the Railway Industry with projects based all over the world.
• Our goals is to meet all of the Customers’ requirements, bringing them the best products, Project management, Maintenance, System Design and Integration at the best price possible without any problems or delays.
• We offer a large inventory of products from the best Manufactures in China and other world leaders in railway product manufacture.
• Global shipping and project requirements with time sensitive deliveries and savings is our main aim.
• We look forward to help our clients grow and deliver in this industry all over the world.

5.Service

6.Contact Us

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An Axle is a Simple Machine For Amplifying Force

An axle is the central shaft that connects the drive wheels of a vehicle. It transmits power from the engine to the wheels and absorbs braking and acceleration forces. It may also contain bearings. Learn more about the important functions of the axle in your vehicle. Its simple design makes it an efficient machine for amplifying force.

An axle is a rod or shaft that connects to the drive wheels

An axle is a rod or shaft that is fixed to the drive wheels of a vehicle. It provides support and rotates with the wheels. Generally, a vehicle has two axles. However, larger vehicles can have more. The type of axle used will depend on how much torque and speed the wheels need to travel.
Drive axles are crucial to the operation of a car. They transfer power from the engine to the wheels, so they must be strong and durable. They also need to be able to support the weight of the vehicle and resist accelerated forces. The drive axle is usually connected to a driveshaft, which extends upward into the transmission and connects with the engine.
There are two main types of axles: front wheel drive (FWD) and rear wheel drive (RWD). The former type is common in passenger vehicles, while the latter type is more common for trucks and cars. The rear wheel drive (RWD) axle connects to the drive wheels, while the front-wheel drive (FWD) axle transfers power from the transaxle differential to the wheels.
Modern drive axles consist of short rods with a flexible rubber boot covering the CV joint. The rubber boot helps to prevent dirt and grease from getting into the CV joint. The increased complexity of the drive axle increases the risk that something goes wrong with it. However, this increases the car’s traction, ride quality, and handling.
A car’s axles are designed by engineers to be extremely strong. They must be able to withstand thousands of pounds of weight, while operating under high levels of friction. But no drive axle is invincible; they will break if the vehicle is overloaded or too heavy.
The rear axle is connected to the engine and rotates with the wheels. The front axle helps with steering and absorbs road shocks. Typically, this part is made of carbon steel and nickel steel.

It absorbs braking and acceleration forces

The Axle is an important part of a vehicle’s suspension. It is responsible for absorbing braking and acceleration forces. Axle roll centres are located on the transversal vertical plane, through the center of each wheel. This is the point at which lateral force applied to the sprung mass is transferred to the unsprung mass, a process known as transfer of momentum. This force coupling point is also known as the Neutral Roll Axis.
An axle’s role in a vehicle goes beyond absorbing braking and acceleration forces. It also serves as a weight transfer device, reducing the stress on the joints of a vehicle. Its design has evolved over time to meet a variety of requirements. It must be durable and able to absorb braking and acceleration forces, while providing the right amount of structural support.
A potential diagram can be used to benchmark tyre performance. The data entered can include suspension geometry and load distributions. The lateral force potential of a tyre is calculated for each individual tyre in an axle, and the values obtained for a constant steer angle are also included.
Optimal energy recovery is crucial for absorbing braking forces and meeting the total braking force required for a given deceleration. Figure 11 shows the braking forces for the front and rear axles over a certain range when j/g = m. The thick solid line ab represents this range.
In addition to braking and acceleration forces, an axle’s lateral force capacity is limited by lateral load transfer. If one axle fails to absorb lateral forces, it might break loose and skid before the other. This can lead to understeer and oversteer. This is why it is not a good idea to put unsprung weight on a vehicle’s axle.

It transmits power from the engine to the wheels

The axle is an integral part of a vehicle’s drive system. It transmits power from the engine to the wheels. Different types of axles have different roles in transmission of power from the engine to the wheels. The drive shaft is the main component of an axle, connecting the engine and the wheels.
A vehicle’s axle transmits power from the engine to the rear wheels. The power is transferred through the gears to move the car forward. The inner wheel of a bicycle pedal powers the back wheel, while the outer wheel moves at a different speed. Similarly, the power from the engine is transmitted to the wheels by a car’s crankshaft and driveshaft.
The type of axle you choose depends on the size of the vehicle and its purpose. Standard axles are suitable for most vehicles, while customized axles are best suited for high-performance vehicles. Customized axles give you more control over the wheel speed and torque. It’s important to know about the types and sizes of axles to choose the right one for your vehicle.
A differential is another vital component of the drivetrain. It allows the power from the engine to reach both wheels, which allows the vehicle to accelerate and decelerate. A differential also compensates for the difference in tyre speeds on curved roads. By using a differential, you can increase the speed of the wheels and improve your car’s handling.
The differential between the front and rear axles is called a bevel ring gear. Its input shaft is supported by a ball race mounted in the axle casing. The other part of the differential is called the input helical gear. The two sun gears are connected by cross-pins.

It is a simple machine for amplifying force

A simple machine is one that increases the output of force without altering the input force. For example, a lever increases force but does not create new energy. Therefore, it is necessary to balance the work input and output. It is important to keep in mind that friction can reduce energy.
Using a simple machine, you can perform various tasks. For example, you can use it to cut and pry apart objects. This type of machine involves a wheel and an axle, which have a smaller radius than the wedge. The force applied by the wheel pushes the two pieces apart.
Another simple machine that amplifies force is a gearbox. The earliest gearboxes were used to lift buckets or weights from wells. The large gear is attached to a smaller one by a hinge. The smaller gear increases the force of the larger one, allowing the small gear to lift much larger loads.
A wheel and axle is a simple machine that uses mechanical advantage to change force. A wheel is a circular disk, and an axle is a rod through the center. The mechanical advantage is a result of the combination of torque and angular momentum to work against the force of gravity. In addition, this machine is closely related to gears.
Simple machines are a great way to compare the magnitude of forces, as they use similar mechanisms. One of the oldest examples of a simple machine is a wheel and axle. A wheel is fixed to an axle, and the axle is fixed to a vertical surface. The force generated by the wheel will be proportional to the distance between the two spools.
Another simple machine that amplifies force is a lever. A lever uses a beam or a rigid rod that can pivot on its fulcrum. It is an effective tool for shifting heavy loads, and also for applying force. It also reduces the friction of a vehicle while preserving its momentum.

editor by czh 2022-11-24