The driving shaft universal joint fault is mainly caused by the wear of the shaft neck and bearing and the bending deformation of each shaft neck, resulting in that the center lines of each axis of the cross shaft are not in the same plane, or the adjacent two axis center lines are not perpendicular. Because of the universal joint cross shaft journal and bearing wear clearance is too large, the cross shaft in the operation of the rock, so that the Central Line of the drive shaft from its rotating Central Line, so that the drive shaft vibration phenomenon and abnormal sound phenomenon in the operation of the drive shaft. Wear is chiefly due to lack of lubrication. Wear of journal and bearing of universal joint cross shaft shall not exceed 0. 02 ~ 0. 13mm, generally held at O. Olmm around. If it goes beyond O. 13mm, the transmission shaft vibration and sound phenomenon. If the cross shaft journal is worn out of the groove, the groove is deep and should be repaired or replaced. If surfacing and jacketing are used, heat treatment and grinding are also performed. Processing requires that the roundness of the shaft neck in O. Olmm, taper shall not be large (no greater than O on length of 20mm). O1mm). To check the verticality of two adjacent axes, be sure to ensure that the verticality. The axis of each journal should be in the same plane after machining and repairing.

When the vehicle is running, the direction of torque transfer is consistent, so is the direction of force exerted on the cross shaft. Over time, resulting in unilateral wear of the cross shaft journal; As time goes by, the stress side of the cross axis will be increased wear, grooving, so that the loose sound. The cross shaft can be rotated 90 degrees relative to the original position to extend the service time. In the assembly should pay attention to the oil nozzle side toward the drive shaft, universal joint fork should be freely rotating in the cross shaft, there should be a small clamping phenomenon, there should be no axial clearance. In peacetime maintenance should often note grease, to prevent the lack of grease caused by the cross shaft journal and bearing wear.

The above contents are provided by xingtai yuantuo auto parts manufacturing co., LTD.

Company website: http://www.xtytwy.com