Method of face mill generation of spiral bevel gears with integr

Gear cutting – milling – or planing – Gear cutting – Gear tooth shape generating

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51287, 409 30, 744595, B23F 912, B23F 1700

Patent

active

045182876

ABSTRACT:
A gear blank is integrally formed with a shaft or other central structure protruding axially from what is to be the toothed face of the gear. A spiral bevel gear is then cut by the face mill generation method, but with the cutter distance exceeding the outer cone distance. The cutter does not intrude into the area occupied by the shaft. The resulting gear has a negative spiral angle and a reverse tooth curvature.

REFERENCES:
patent: 1376600 (1921-05-01), Blackmore
patent: 1655076 (1928-01-01), Snow
patent: 1656506 (1928-01-01), Williams
patent: 2342232 (1944-02-01), Wildhaber
patent: 2783686 (1957-03-01), Ciallie et al.
patent: 2932923 (1960-04-01), Carlsen
patent: 3213756 (1965-10-01), Ash
patent: 3218931 (1982-10-01), Kotthaus
patent: 3971293 (1976-07-01), Hunkeler
patent: 4090428 (1978-05-01), Kotthaus et al.

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