Lubrication in Automotive Gear with Tungsten Disulfide

Tungsten disulfide has good high temperature and extreme pressure resistance, so it is suitable for the lubrication of automotive gear. Applied on the gear surface, tungsten disulfide can reduce the friction loss in the operation process and greatly prolong the gear’s service life.

Gear is a kind of mechanical component with continuous meshing of the teeth. It plays an important role in automobile transmission system. Usually, low carbon alloy steel is used to make automotive gear.

Gear transmission is one of the most widely used transmission in automobile. It mainly has the following functions:

1. Speed Change

The speed of gear can be changed by the meshing of two gears with different sizes. For example, gearbox gear can reduce or increase the speed of the engine to meet the needs of vehicle driving.

2. Torque Change

When two gears of different sizes are meshed, the gear speed and the torque are changed. For instance, the final drive in gearbox or drive axle can change the torque of the automobile.

3. Direction Change

As for some engines, the direction of dynamic action is perpendicular to the driving direction of the vehicle. Therefore, the final drive and differential are designed to change the direction of power transmission, so as to drive the vehicle.

It can be seen that the working condition of automotive gear is complex. They not only need to stand the high temperature caused by continuous rotation and friction, but also withstand the impact load from different aspects. Automotive gear is prone to wear and tear under this kind of working environment, which will further influence the driving process.

Therefore, lubricating material with high quality and high efficiency should be applied in the lubrication of automotive gear. Tungsten disulfide has good lubricating performance, high temperature resistance and extreme pressure resistance. It is an ideal material for the lubrication of automotive gear that it is suitable for the hash working environment of the part.

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