Convex-concave hobs

Details Convex-concave hobs Convex-concave hobs

1996-03-01

1997-05-06

Rachuba, M.

Cutters, for shaping

Gear cutting tool

Hob

B23F 2116

Patent

active

056264437

ABSTRACT:
A pair of complimentary gear cutting hobs including a convex hob having a plurality of hob teeth, with each hob tooth defining on opposite sides thereof cutting edges having a convex shape. The convex shape is defined by an arc with a center of radius which lies in the plane of the bottoms of the teeth. The complimentary hob is a concave hob having a plurality of hob teeth, with each hob tooth defining, on opposite sides thereof, cutting edges having a concave shape which is defined by an arc with a center of radius which lies in the plane of the tops of the teeth.

REFERENCES:
patent: 2010353 (1935-08-01), Edgar
patent: 3059317 (1962-10-01), Pomernacki
patent: 4174914 (1979-11-01), Ainoura
patent: 4322185 (1982-03-01), Tanimoto et al.
patent: 5232316 (1993-08-01), Tennutti

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