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对离合器的要求是:在滑动速度较高的情况下,能传递必要的扭矩;起动时不应发生急撞与振动;能经受高转速、耐磨;操纵迅速、轻便。载重汽车离合器应有较长的使用寿命和传递大扭矩的能力。此外,离合器的大修间隔期间应不小于15万公里。西德最近规定,从1970年起,每吨最小驱动功率为8马力;这样,总重38吨,装有320马力发动机的汽车列车的发动机曲轴扭矩应为120公斤·米。因此,需要设计更强的离合器。
Clutch requirements are: In the case of high sliding speed, the necessary torque can be transmitted; Start without shock and vibration should occur; Can withstand high speed, wear-resistant; Manipulate quickly and easily. Truck clutches should have longer service life and the ability to transmit high torque. In addition, the clutch overhaul interval should not be less than 150,000 km. West Germany recently stipulated that the minimum drive power per tonne would be 8 horsepower from 1970 onwards; thus, the total engine crankshaft torque for a train with a 320-horsepower engine should be 120 kg · m for a total weight of 38 tons. Therefore, the need to design a stronger clutch.