Method and apparatus for eliminating undulation errors on gear-t

Details Method and apparatus for eliminating undulation errors on gear-t Method and apparatus for eliminating undulation errors on gear-t

1984-10-09

1985-12-03

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 95GH, 51287, 409 15, B24B 100

Patent

active

045558710

ABSTRACT:
In order to eliminate undulation errors in gear production wherein a generating motion of a gear-tooth flank of a gear fixed to a rotary table corresponding to an involute profile is induced by simultaneously imparting a predetermined rotary motion and a predetermined translatory motion to the rotary table, a reference ratio of these two speeds is determined, the momentary speeds of the table are measured and a momentary ratio is determined therefrom. A difference value is formed between the reference ratio and the momentary ratio. This difference value is first formed for each gear-tooth flank during one revolution and then stored in association with the momentary generating position of the gear and with the momentary stroke position of the gear-fabricating tool and only when the same gear-tooth flank is reached during a further revolution is the adjustment value of the gear-fabricating tool corrected by means of the stored difference values.

REFERENCES:
patent: 3152422 (1964-10-01), Loxham
patent: 4253050 (1981-02-01), Angst
patent: 4329096 (1982-05-01), Herscovici
patent: 4414495 (1983-11-01), Sumi
patent: 4467568 (1984-08-01), Bloch

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