Forging of a camshaft

Details Forging of a camshaft Forging of a camshaft

1980-03-14

1982-03-02

Godici, Nicholas P.

Metal deforming

With temperature modification of tool or of specified...

Cooling

72364, 72377, 29 6, B21D 3716, B21K 108

Patent

active

043173551

ABSTRACT:
Forging of a camshaft which is formed integrally with plane cams arranged longitudinally thereof. A blank for the camshaft has its cam-forming portion heated to different temperatures with the heating temperature decreasing from the axially central position towards the opposite ends. Pressure is applied to the preheated blank at the opposite ends to thereby form cams on the cam-forming portion of the blank in sequence, starting first with the axially central position of the cam-forming portion towards the opposite ends. The camshaft forged using this method has a forged fibre flow with no substantial breaks and has sufficiently high mechanical strength.

REFERENCES:
patent: 1668442 (1928-05-01), Wineman
patent: 4069730 (1978-06-01), Martin

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