Tip-relieved spiral bevel gear

Details Tip-relieved spiral bevel gear Tip-relieved spiral bevel gear

1990-08-31

1991-10-22

Herrmann, Allan D.

Machine element or mechanism

Gearing

Teeth

74417, 74423, F16H 5517

Patent

active

050584499

ABSTRACT:
Prior art non-generated, tip-relieved spiral bevel gears had tip-relieved surfaces that were nonuniform from the toe to the heel thereof. The subject tip-relieved spiral bevel gear is adapted to be manufactured by a gear generating machine, and includes a plurality of modified gear teeth individually having a convex tooth face and a relatively uniform tip-relieved surface on the convex tooth face from the toe to the heel portion thereof substantially parallel to the face angle at the outer tip surface. A two-pass method of machining the modified gear teeth is described.

REFERENCES:
patent: 2183285 (1939-12-01), Wildhaber
patent: 3768326 (1973-10-01), Georgiev et al.
patent: 4780990 (1988-11-01), Cody, Jr. et al.
American Gear Manufacturers Association Technical Paper, 89FTM9, "Theory of 6-Axis CNC Generation of Spiral Bevel and Hypoid Gears", by R. N. Goldrich, Circa 1989.

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