How Does a Clutch Work?
2 Answers
The torque generated by the engine is transmitted to the driven plate through the friction between the flywheel, pressure plate, and the contact surface of the driven plate. When the driver presses the clutch pedal, the diaphragm spring's large end moves the pressure plate backward via mechanical transmission, separating the driven part from the driving part. Clutch: The clutch is located within the flywheel housing between the engine and the transmission. The clutch assembly is secured to the rear plane of the flywheel with screws, and the output shaft of the clutch serves as the input shaft of the transmission. During vehicle operation, the driver can press or release the clutch pedal as needed to temporarily disconnect or gradually engage the engine and transmission, thereby interrupting or transmitting the engine's power to the transmission. The clutch is a common component in mechanical transmission systems, allowing the drivetrain to be disconnected or engaged at any time. Its basic requirements include smooth engagement, quick and thorough disengagement, ease of adjustment and repair, compact size, lightweight, good wear resistance, sufficient heat dissipation capacity, and easy and effortless operation. Clutches are commonly divided into two types: jaw clutches and friction clutches.
After driving a manual transmission car for so many years, the clutch feels like a dance partner to my foot. When I press it down, the engine and transmission separate, temporarily interrupting power transfer—especially exhausting during frequent operations in city traffic jams. Releasing the pedal, the pressure plate tightly presses the clutch disc against the flywheel, allowing the engine's power to smoothly transfer to the wheels. Without this mechanism, gears would definitely clunk during shifts, and the car would jerk like it's having spasms. Additionally, the half-clutch state is what beginners should practice the most—that subtle trembling sensation when the clutch disc just contacts the flywheel. Mastering it ensures no rollback during hill starts.