Method and apparatus for laser gear hardening

Details Method and apparatus for laser gear hardening Method and apparatus for laser gear hardening

1983-12-21

1985-09-03

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LW, 219121LQ, 219121LM, 219121FS, 148147, B23K 2700

Patent

active

045394610

ABSTRACT:
Apparatus and method for laser hardening flank and root areas of gears are disclosed which utilize a non-linear scanning technique to produce a laser light bar which may be traversed over the flank and root areas of the gear to produce uniform case depth while preventing back-tempering by directing coolant flow on to gear tooth flanks opposite those currently being hardened.

REFERENCES:
patent: 2494440 (1950-01-01), Haynes
patent: 3303739 (1967-02-01), Chitayat
patent: 3592702 (1971-07-01), Dehn
patent: 3813146 (1974-05-01), Burch et al.
patent: 4017708 (1977-04-01), Engel et al.
patent: 4026732 (1977-05-01), Dammel et al.
patent: 4125755 (1978-11-01), Diamquist
patent: 4250372 (1981-02-01), Tani
patent: 4250374 (1981-02-01), Tani
U.S. patent application Ser. No. 509,530, filed 6/29/83, assigned to the assignee of the present application.

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