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目前,国产机床设备,包括一些高效机床,均采用离心式摩擦离合器,其基本结构如图1所示。图1 离心式摩擦离合器这种离合器的工作原理是利用离心块与外筒的摩擦力矩来传递扭矩,使之超负荷时自动脱开。即电机主轴高速旋转时带动三叉轴,由于离心力的作用,使安装在三叉内且处于自由状态的三个离心块(其表面层为摩擦系统较大的软金属粘结物)紧贴离合器外筒的内壁,依
At present, domestic machine tool equipment, including some high-efficiency machine tools, are used centrifugal friction clutch, the basic structure shown in Figure 1. Figure 1 Centrifugal friction clutch The working principle of this clutch is to use the friction torque between the centrifugal block and the outer cylinder to transmit the torque so that it automatically disengages when overloaded. That is, when the motor spindle rotates at high speed, the triaxial shaft is driven. Due to the centrifugal force, the three centrifugal blocks (whose surface layer is a soft metal adhesive with a large frictional system) installed in the trigeminal and in a free state are closely attached to the clutch outer cylinder The inner wall, according to