Clutch release bearing function

Clutch Release Bearing, also known as Throwout Bearing, is an important mechanical component in automobile manual transmission. Its main function is to separate the clutch pressure plate from the clutch disk (flywheel) when the driver operates the clutch pedal, thus cutting off the power transmission between the engine and the transmission, so that the car can start, shift and stop smoothly, and play a protective role against overloading of the transmission system.

Working principle of clutch release bearing:

When the driver depresses the clutch pedal, the clutch release bearing moves forward, pushing the release finger (release finger) into the pressure plate, thus releasing the spring pressure on the pressure plate, making the clutch plate separate from the flywheel, and interrupting the power transmission between the engine and the transmission . When the clutch pedal is released, the release bearing moves backward, and the pressure plate spring presses the pressure plate and clutch plate against the flywheel, realizing clutch engagement and resuming power transmission.

The following are the specific functions of the clutch release bearing:

1. Transmission of pedal force: When the driver depresses the clutch pedal, the clutch master cylinder generates hydraulic pressure, and this pressure is transmitted to the clutch slave cylinder through the hydraulic line. The clutch release bearing is located on the piston of the slave cylinder, and the hydraulic pressure pushes the bearing forward.

2. Pushing the clutch pressure plate: The forward movement of the clutch release bearing pushes the clutch pressure plate to separate from the clutch disk (flywheel). As a result, engine power is not transmitted to the transmission, allowing the driver to shift gears.

3. Allows the clutch to engage: When the driver releases the clutch pedal, the hydraulic pressure decreases, the clutch release bearing returns, the clutch pressure plate re-engages with the clutch disk, and engine power is once again transmitted to the transmission.

4. Reduces wear and tear: The clutch release bearing is designed to minimize direct contact with the clutch pressure plate and flywheel during operation, thus reducing wear and tear and extending the service life of the clutch.

5. Improvement of gear shift smoothness: The precise action of the clutch release bearing helps to realize a smooth transition between clutch engagement and disengagement, and improves smoothness when shifting gears.

6. Protecting other parts: By bearing the force during the release process, the release bearing protects other parts in the clutch system, such as the clutch pressure plate and flywheel, and extends the service life of the whole clutch system.

In a word, clutch release bearing is an indispensable part of automobile clutch system. Clutch release bearing is a key component to ensure the vehicle shifting smoothly, realizing the effective separation and combination of engine power and transmission system through its precise mechanical action. Its health state directly affects the normal operation of the vehicle and driving experience .