The Development on Cold Forging Technique to form a Component of the Constant Velocity Joint

Makoto Tsuda; Hisayoshi Kojima; Masashi Arita

doi:10.4271/850353

1985-02-01

The Development on Cold Forging Technique to form a Component of the Constant Velocity Joint 850353

Cold forging has been applied to form a component of the constant velocity joint. This part, slide joint housing, is made of JIS S48C (SAE 1048) high carbon steel. As it has been very difficult to form this part by cold forging, it has been formed by hot forging up until now.

Success was obtained in forming this part by cold forging through improving the chemical composition of S48C high carbon steel and tool design, determining the optimum condition for heat treating the slug, and using a TiC coated punch. Since this slide joint housing, which is nearly net shape, was able to be formed through this cold forging technique, material saving was improved about 40% and machining time was reduced much in comparison with hot forging.

Manufacturing cost can be greatly reduced through this cold forging which has been developed.

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The Development on Cold Forging Technique to form a Component of the Constant Velocity Joint 850353

SAE MOBILUS