The proper installation of the universal joint

   The universal joint is a mechanism for realizing variable angle power transmission for the position where the direction of the drive shaft needs to be changed, which is the "joint" part of the universal drive of the vehicle drive system. Universal joint and drive shaft combination, known as universal joint drive. In the front engine rear-wheel drive vehicle, the universal joint transmission device is installed between the transmission output shaft and the drive axle main reducer input shaft; and the front engine front wheel drive vehicle omits the drive shaft, universal joint installation In both the front axle and the wheel, which are both responsible for driving and in turn.
   1) To ensure that the angular motion of the rotary motion and the main and slave axes are kept in synchronous rotation, the double cross joint or two single gimbal joints should be used together and meet three conditions;
a, the axis between the main axis and the slave axis is equal;
b, the center of the fork at both ends of the symmetry plane in the same plane;
c, the middle axis and the main axis of the three axes in the same plane.
   2) When installing the precision universal joint, the main and the driven end angular speed range, the main and the driven shaft can not keep the synchronous rotation between the non-synchronous with the angle and change.

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