Forging of an article having a plurality of longitudinally arran

Details Forging of an article having a plurality of longitudinally arran Forging of an article having a plurality of longitudinally arran

1981-02-03

1983-08-23

Larson, Lowell A.

Metal deforming

With temperature modification of tool or of specified...

Cooling

72357, B21K 112

Patent

active

043996817

ABSTRACT:
A method of forging an article such as a camshaft, which is formed integrally with a plurality of protuberances longitudinally arranged thereof wherein a blank for the article has its protuberance-forming portions heated to temperatures higher than its other portions. The heating temperatures of the individual protuberance-forming portions are proportionate, respectively, to the radial sizes of corresponding portions of the blank to be protruded from the peripheral surface of the blank for formation of the protuberances during the compressing step.

REFERENCES:
patent: 2598868 (1952-06-01), White
patent: 2669637 (1954-02-01), Pitt et al.
patent: 3413432 (1968-11-01), Hormann
patent: 4317355 (1982-03-01), Hatsuno et al.

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