End face tooth bell-shaped shell and manufacturing method thereof

Abstract

The invention relates to an end face tooth bell-shaped shell and a manufacturing method thereof. The method comprises the following steps that a bar stock is firstly forged to obtain a blank; surfacetreatment is carried out on the obtained blank to obtain a blank without scale on the surface; then phosphating treatment is carried out on the obtained blank without the scale on the surface to obtain a blank with a phosphating film on the surface; then saponification treatment is carried out on the obtained blank with the phosphating film on the surface, and cold extrusion is carried out to obtain a blank with a tooth shape; and finishing is carried out on the obtained blank with the tooth shape to obtain the end face tooth bell-shaped shell. According to the manufacturing method, processingprocedures such as warm forging, shot blasting, the cold extrusion, the finishing and the like are used for replacing milling procedures applied in a traditional production process, raw materials aresaved, the integral strength and rigidity of a part after forming are further guaranteed, and the one-time processing forming rate is increased.

Description

technical field [0001] The invention relates to the technical field of metal forming, in particular to an end gear bell case and a manufacturing method thereof. Background technique [0002] The end-toothed bell-shaped housing has an important application in the automobile transmission system. This kind of housing parts has the advantages of large load capacity and self-centering. However, compared with ordinary bell-shaped housings, the tooth profile processing of the end face of the housing is very difficult. , The industry generally uses milling to process the tooth shape, which not only wastes materials, but also destroys the streamline of the parts and affects the life of the final product. [0003] Therefore, it is urgent to propose a new technical solution to solve the above problems. Contents of the invention [0004] The purpose of the present invention is to solve the problems existing in the prior art, and to provide the market with a face gear bell-shaped hous...

AI Technical Summary

Problems solved by technology

[0002] The end-toothed bell-shaped housing has an important application in the automotive transmission system. This kind of housing parts has the advantages of large load capacity and self-centering. However, compared with ordinary bell-shaped housings, the tooth profile processing of the end face of the housing is very difficult. , the industry generally uses milling to process the tooth shape, which not only wastes materials, but also destroys the streamline of the parts and affects the life of the final product

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