摘要:汽车离合器位于发动机和变速箱之间的飞轮壳内，用螺钉将离合器总成固定在飞轮的后平面上，离合器的输出轴就是变速箱的输入轴。在汽车行驶过程中，驾驶员可根据踩下或松开离合器踏板，使发动机和变速箱暂时分离和逐渐结合，以切断或传递发动机向变速器输入的动力。其功用为：（1）使汽车平稳起步；（2）中断给传力系的动力，配合换挡；（3）防止传力系过载。
膜片弹簧离合器是近年来城市客运汽车广泛采用的一种离合器，它的转矩容量大而且较稳定，操作轻便，平衡性好，也能大量生产。另外，采用了膜片弹簧作为压簧，可同时兼起到分离杠杆的作用，使离合器结构大为简化，并显著地缩短了离合器的轴向尺寸。膜片弹簧和压盘的环行接触，可保证压盘上的压力均匀。由于膜片弹簧本身的特性，当摩擦片磨损时，弹簧的压力几乎没有改变，且可减轻分离离合器时所需要的踏板力。对于它的研究已经变得越来越重要。
关键词： 离合器 膜片弹簧 从动盘 摩擦片
ABSTRACT:Automobile clutch in the engine and gearbox between the flywheel shell, with screw will be fixed in the clutch assembly plane after the flywheel, clutch output shaft is the input shaft from the gearbox. In the process of the car, the driver can according to the on the or release the clutch pedal, the engine and gearbox temporary separation and combination, to cut off or deliver the engine to the transmission input power. Its function is: (1) make the auto start smoothly; (2) interrupt to the force system of power, coordinate shift; (3) to prevent the force system overload.
Diaphragm spring clutch is a city that is widely used in passenger cars in recent years, a clutch and its great capacity of torque and relatively stable, convenient operation, good balance, can mass production. In addition, the diaphragm spring is adopted as a pressure spring, at the same time and separation of leverage effect, make the clutch structure is greatly simplified, and significantly shorten the axial size of the clutch. Diaphragm spring pressure plate and circular contact, to ensure uniform pressure on the pressure plate. Due to the nature of the diaphragm spring itself, when the friction slice wear and the spring pressure is almost no change, and can reduce the separation of the clutch pedal force that is needed. For it research has become more and more important.
Keywords: clutch, diaphragm, spring clutch, plate friction plate.
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