Process for producing face hobbed bevel gears with toe relief

Details Process for producing face hobbed bevel gears with toe relief Process for producing face hobbed bevel gears with toe relief

1990-03-30

1992-05-19

Bilinsky, Z. R.

Gear cutting, milling, or planing

Gear cutting

Gear tooth shape generating

409 26, B23F 910, B23F 1910

Patent

active

051142872

ABSTRACT:
A method of forming a relief at the toe end of the teeth on a bevel gear is disclosed. The width of the blades that cut the longitudinally extending convex or concave profiles of the flanks of the teeth is increased to a dimension greater than the width of the tooth slot at the toe end whereby additional stock is removed from the toe end of the flank opposite the flank being cut by the blades. The relief is formed at the toe end of each tooth with the relief being on the same flank profile for all teeth. Lapping interference is eliminated. A separate chamfering operation is not required.

REFERENCES:
patent: 1932781 (1933-10-01), Hill
patent: 1969843 (1934-08-01), Head
patent: 1985409 (1934-12-01), Hill
patent: 2248168 (1941-07-01), Gleason
patent: 2270003 (1942-01-01), Head
patent: 2329804 (1943-09-01), Wildhaber
patent: 2385220 (1945-09-01), McMullen
patent: 2772602 (1956-12-01), Christman
patent: 2857819 (1958-10-01), Wildhaber et al.
patent: 2978964 (1961-04-01), Wildhaber
Endrem, The Gleason Works, Mar. 1969.

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