Apparatus for hardening the cam tracks of camshafts for internal

Details Apparatus for hardening the cam tracks of camshafts for internal Apparatus for hardening the cam tracks of camshafts for internal

1978-01-27

1979-04-03

Dost, Gerald A.

Metallurgical apparatus

Means treating solid metal

By flame contact heating

C21D 108

Patent

active

041473353

ABSTRACT:
An apparatus for hardening the cam tracks of camshafts in which one or more camshafts to be hardened are mounted adjacent a master camshaft for synchronous rotation therewith. A plurality of burners are slidably mounted adjacent each track to be hardened for movement toward and away from the track. A follower on the corresponding track of the master camshaft controls movement of the burner. An eccentric oscillates a plate on which the camshafts are mounted to cover all of the cam track. The burner is turned on and off so that the zone of the cam base circle is not heated and remains unhardened.

REFERENCES:
patent: 1768160 (1930-06-01), Shorter et al.
patent: 2085790 (1937-07-01), Campbell
patent: 2215576 (1940-09-01), Bucknam et al.
patent: 2242158 (1941-05-01), Wasson et al.
patent: 2290283 (1942-07-01), Jones
patent: 2665126 (1954-01-01), Roehm

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