Transmission Shaft for Cars-Jiangsu Sitong Cardan Shaft Co.,Ltd DOCANDO INTERNATIONAL INDUSTRY CO.,LIMITED
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Transmission Shaft for Cars
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Transmission Shaft for Cars


Type: Transmission Shaft
Applicable Industries: Automobile
Shape: Cross Shaft
Material: Forged steel​


The transmission shaft for  automobile is an important part of transmitting power in the automobile transmission system. Its function is to transmit the power of the engine to the wheels together with the gearbox and the drive axle, so that the automobile generates driving force.

Transmission Shaft for Cars

Transmission shaft for cars structure

The transmission shaft is the main force transmission component in the universal transmission device, which is usually used to connect the transmission (or transfer case) and the drive axle. In the steering drive axle and the disconnected drive axle, it is used to connect the differential and the drive. The wheel' is used to connect the steering shaft and the steering gear in the steering control mechanism of the automobile. Automobile drive shafts are generally made of high-strength hollow tubes to increase rigidity and strength. They are generally rolled and welded with thin steel plates of uniform thickness. The transmission shaft of common light vehicles is an open tubular structure, and the transmission shaft of ultra-heavy vehicles directly uses seamless steel tubes.

Types of Transmission Shaft for Cars

The layout of the transmission shaft has the following types:

1) Single section transmission shaft
When the transmission distance is close, the transmission shaft is only one section! Both ends are connected to the transmission and the drive axle with ordinary universal joints. When assembled, the universal joint forks at both ends of the transmission shaft can meet the full load in the same plane Conditions for constant speed transmission.

2) Double-section transmission shaft
When the transmission distance is far, two transmission shafts are used. The output shaft of the automobile transmission and the intermediate transmission shaft are not on a straight line. When the vehicle is fully loaded, the two transmission shafts are approximately in a straight line. On the same, there is only one transmission shaft. At this time, the intermediate universal joint cannot change the angular velocity. effect. Therefore, in order to meet the conditions of full load constant speed transmission, the two joints are combined to form the entire transmission shaft, and the universal joint forks at both ends should be installed in the same plane.

3) Three-section transmission shaft
In some vehicles with long wheelbase, the transmission shaft is divided into 3 sections, the first two sections are intermediate transmission shafts, which are respectively supported by the intermediate support shaft on the frame, and the rear-section is the main transmission shaft. When assembling, the universal joint forks at both ends of each transmission shaft should be installed in the same plane to ensure constant speed transmission.

Cautions for transmission shaft for cars

In order to ensure the normal operation of the automobile transmission shaft and prolong its service life, it should be noted in use:
1. It is strictly forbidden for cars to start at high speeds.
2. It is strictly forbidden to lift the clutch pedal.
3. It is strictly forbidden to overload or speed the car.
4. The working condition of the transmission shaft should be checked frequently.

Transmission Shaft for Cars compared with others:

Transmission Shaft for Cars

Production Process of  Transmission Shaft for Cars is as follows:

1. Raw material selection

2. Rough machining

3. Heat treatment

4. Precision work

5. Assemblage

6. Dynamic balancing testing

7. Painting

8. Inspect and package

9. Shipping

Transmission Shaft for Cars

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