Apparatus and method for forming a gear

Details Apparatus and method for forming a gear Apparatus and method for forming a gear

1997-03-14

1999-08-03

Echols, P. W.

Metal working

Method of mechanical manufacture

Gear making

72108, B21D 5328

Patent

active

059308966

ABSTRACT:
A rolling process for producing a spur gear. The process comprises the following steps: (a) bringing gear teeth of a generally wheel-shaped toothed tool into press contact with a peripheral portion of a generally wheel-shaped gear material at which portion gear teeth are to be formed; and (b) bringing gear teeth of a generally wheel-shaped backup roller into press contact with the peripheral portion of the gear material in course of formation of the gear teeth under rolling so that the gear teeth of the backup roller are to be in mesh with the gear teeth formed at the peripheral portion of the gear material under the action of the toothed tool. The backup roller has an inclined section for forming a chamfered portion of each tooth of the spur gear to be produced. The inclined section is located at a position corresponding to the chamfered portion of the spur gear.

REFERENCES:
patent: 3675454 (1972-07-01), Pratt
patent: 3729967 (1973-05-01), Bauknecht et al.
patent: 3894418 (1975-07-01), Horl
patent: 5152061 (1992-10-01), Himmeroeder
patent: 5203223 (1993-04-01), Himmeroeder
patent: 5237744 (1993-08-01), Himmeroeder
patent: 5404640 (1995-04-01), Himmeroeder

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