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What Are the Causes of Noise in Universal Transmission Devices?

1 Answers

LouisAnn

07/29/25 3:47pm

There are three main causes of noise in universal transmission devices: 1. Loose universal joint bearings due to wear or impact. 2. Loose splines in the driveshaft slip joint due to wear or impact. 3. Loose bolts in the universal joint flange connection. Below is an introduction to the application of universal transmission devices in automobiles: 1. Between the transmission (or transfer case) and the drive axle: Generally, the transmission, clutch, and engine of a car are integrated and mounted on the frame, while the drive axle is connected to the frame via suspension. Changes in load and road unevenness during driving can cause variations in the angle and distance between the drive axle input shaft and the transmission output shaft. 2. Between the transmission and transfer case in off-road vehicles: To eliminate the impact of coaxiality errors caused by frame deformation, manufacturing, and assembly on power transmission, a universal transmission device must be installed. 3. The half-shafts of the steering drive axle are segmented; during steering, the axes of the two half-shafts intersect, and the angle changes, necessitating the use of a universal joint. 4. For a disconnected drive axle, the differential housing is fixed to the frame, the axle housing swings up and down, and the half-shafts are segmented, requiring the use of a universal joint. 5. The steering shaft of some vehicles is equipped with a universal transmission device, which facilitates the overall layout of the steering mechanism.

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