Method of manufacture of high performance gears

Details Method of manufacture of high performance gears Method of manufacture of high performance gears

1981-11-16

1983-02-15

Stallard, W.

Metal treatment

Compositions

Heat treating

148 121, C21D 932

Patent

active

043739733

ABSTRACT:
A method for forming gear teeth of a high performance gear is accomplished by shaping the carburized gear tooth surface while the gear blank is held at a uniform temperature in the metastable austenitic condition above the start of the martensitic transformation temperature of the carburized case and then allowed to air cool so that the gear tooth surface will be transformed into very fine grain martensite.

REFERENCES:
patent: 2365956 (1944-12-01), Hodge et al.
patent: 2860077 (1958-11-01), Adair et al.
patent: 4119443 (1978-10-01), Abe et al.
patent: 4210468 (1980-07-01), McGee

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