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What Functions Should a Clutch Have?

2 Answers

DelCarlos

07/23/25 11:13pm

The functions that a clutch should have are: 1. Temporarily disconnect the connection between the engine and the transmission system, facilitating engine startup and gear shifting in the transmission, ensuring smooth operation during gear changes in the transmission system; 2. Limit the maximum torque that the transmission system can withstand; 3. Ensure the car can start smoothly. The working principle of a clutch is: The driving part and the driven part of the clutch transmit torque through the friction between contact surfaces, or use liquid as a transmission medium (hydraulic coupling) or magnetic transmission (electromagnetic clutch), allowing temporary separation and gradual engagement between the two, while permitting mutual rotation of both parts during the transmission process.

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MacTimothy

08/10/25 7:06pm

The clutch plays a central role in daily driving. Having driven a manual transmission for years, I deeply understand its critical functions. Firstly, it transfers the engine's power to the transmission, enabling smooth vehicle startup, especially on slopes where gradual clutch engagement prevents rollback. Secondly, it disengages power transmission during gear shifts to avoid gear collisions and extend transmission component lifespan. Additionally, the clutch helps control acceleration and deceleration, absorbing startup vibrations for a smoother ride. I’ve also noticed that worn clutch discs can cause slippage and inefficient power transfer, so regular inspection of friction plates and the hydraulic system is essential, along with ensuring proper brake fluid levels. A well-functioning clutch enhances safety—for instance, quickly disengaging the engine during emergency braking to prevent stalling or loss of control. Overall, it’s the soul of a manual transmission, and proper maintenance ensures worry-free driving.

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