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Clutch is the whole car the most important parts, then we know it on the whole car, what kind of role it plays? The following content will be described in detail for everyone, then we work together to learn about it!
1 to ensure a smooth start car: Before starting the car is stationary, if the engine and gearbox are rigidly connected, once in gear, the car will be connected due to sudden power suddenly pediment, not only will cause mechanical damage, and driving force is not enough to overcome the huge inertia force generated by the car pediment, a sharp decline in engine speed and stall. If you use the clutch at the start temporarily separated from the engine and gearbox, and the clutch engagement gradually, due to the existence of the phenomenon of slipping between the active part of the clutch and the driven part, you can make outgoing clutch torque increases from zero, the driving force of the car gradually increased, so that the car started smoothly.
2 to facilitate the shift: cars with the process, often for different transmission gear, to adapt to changing driving conditions. If you do not clutch the engine and gearbox temporary separation, then the power transmission gear meshing gearbox did not dismount due to load, it engages the tooth surface pressure between the large and difficult to separate. Another treat both gear due to unequal and difficult to engage the circumferential velocity. Even if forced into engagement with the teeth will have a huge impact on end, easily damaged parts. The use of the engine and gearbox clutch shift after temporary separation, a pair of gears meshing because the original load removable pressure between the mating surfaces is greatly reduced, it is easy to separate. The other pair of gears to be meshed with the drive gear due to the rotation of the engine after the moment of inertia small to separate, using the appropriate action can shift the gears to be engaged with the peripheral speed equal to or nearly equal, to avoid or mitigate the impact of gears.
3 to prevent the transmission system overload: Car emergency braking, the wheels suddenly sharp deceleration, while connected to the drive train and engine rotation due to inertia, remains the original speed, which tend to produce much larger than the engine torque in the drive the moment of inertia, so that the drive train parts are easily damaged. When the clutch is to transmit the torque by friction, so that when the internal friction of the drive train can pass over the load torque, the driving and driven parts of the clutch will automatically slip, which acts to prevent overloading the driveline role .
4. reduce torsional vibration shocks: automotive engine works determines its output torque is not stable. In the power stroke, combustion gas explosion have great impact torque, while the other strokes, but it is by inertia anti drag engines. While the engine itself has inertial rotation system can reduce torsional vibration, but the impact is still remaining on the subsequent transmission, drive shaft adversely affected. The damping of the spring and the clutch (tangential distribution), can significantly reduce the torsional vibration caused by the impact of the engine, to extend the life of the speed change gear.