Production of automobile rear axle half shaft sleeves and fastening sleeves

The commonly used materials for bushing parts include steel, alloy steel, bearing steel and spring steel, as well as r, B, r, etc. The most commonly used blanks for bushing parts are bars and forgings. Only for some large or complex shafts, castings are used when the quality allows. Since the blank is forged, the internal fiber structure of the metal can be evenly distributed along the surface, and high tensile, bending and torsional strength can be obtained. Therefore, except for smooth shafts and stepped shafts with similar diameters, which can use hot-rolled bars or cold-drawn bars, most important shafts generally use forgings. In addition, the blank of the bushing parts also needs to be heat treated.
Abnormal noise in the rear axle is caused by defects, and it is easy to find the reasons, such as the following: damage to the half shaft bearing, loosening of the half shaft bearing fastening sleeve, friction between the passive bevel gear of the reducer and the reducer housing, and the active bevel gear. The small bearing of the gear is burned, the preload of the reducer bearing is improper, the tooth side clearance is too large or too small, the gear tooth surface is damaged, the hexagonal head of the bolt is broken and falls off in the gear meshing area or the bottom of the oil tank. Contact person: Ms. Zhou:
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