The structure and working principle of clutch
The clutch is a key component located between the engine and the gearbox, and its main role is to cut off or transmit the power input from the engine to the transmission as needed during the driving of the car. The working principle and structure of the clutch are as follows:
Make up. The clutch is mainly composed of the following parts:
1. Driven disc : composed of friction plate , driven disc body and driven disc hub, responsible for receiving the power of the engine and transmitting it to the gearbox through friction.
2. Press disc: Press the driven disc on the flywheel to ensure the effective transmission of power.
3. Flywheel: It is connected with the engine crankshaft and directly receives the engine's power.
4. Compression device (spring plate) : including spiral spring or diaphragm spring, responsible for adjusting the pressure between the driven disc and the flywheel.
How it works. The working principle of the clutch is based on the friction between the friction plate and the pressure plate:
1. When the driver presses down on the clutch pedal, the pressure disc will move away from the driven disc, thus cutting off the power transmission and temporarily separating the engine from the gearbox.
2. When the clutch pedal is released, the pressure disc re-presses the driven disc and power begins to be transmitted, allowing the engine to gradually engage the gearbox.
3. In the semi-linkage state, the clutch allows a certain speed difference between the power input and the output end to achieve the right amount of power transmission, which is especially important when starting and shifting.
The performance of the clutch is affected by the strength of the pressure disc spring, the friction coefficient of the friction plate, the diameter of the clutch, the position of the friction plate and the number of clutches.
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