Method and grinding machine for the internal grinding of bores

Details Method and grinding machine for the internal grinding of bores Method and grinding machine for the internal grinding of bores

1994-01-21

1995-01-31

Kisliuk, Bruce M.

Abrading

Machine

Combined

451 51, B24B 4900, B24B 5100, B24B 100

Patent

active

053849833

ABSTRACT:
In the process or internally grinding bores with the aid of a slightly conical grinding wheel (15) in a computer controlled manner, the rotational axis (14) of the grinding wheel is adjusted to a small angle (.alpha.) in relation to the rotational axis (3a) of the workpiece (5). The grinding wheel is sharpened along a generatrix which lies opposite the generatrix of the wheel when the wheel is in rough grinding engagement with the bore. The rough grinding operation is carried out at a feed pressure such that twice this angle (i.e. 2(.alpha.) is levelled-out or eliminated and the respective generatrices of the wheel and the bore will substantially coincide. The fine grinding phase of the grinding operation is carried out with substantially coinciding bore and grinding wheel generatrices along an opposite bore generatrix in relation to the rough grinding engagement location. The invention also relates to a grinding machine for carrying out the method.

REFERENCES:
patent: 4110938 (1978-09-01), Ito
patent: 4170851 (1979-10-01), Enos
patent: 4274898 (1981-06-01), Haltings, Jr.
patent: 4718196 (1988-01-01), Seewald
patent: 4956945 (1990-09-01), Ooshima
patent: 4989378 (1991-02-01), Junker
patent: 4993196 (1991-02-01), Kobayashi
patent: 5044125 (1991-09-01), Lambert
patent: 5048238 (1991-09-01), Ikeda
patent: 5076022 (1991-12-01), Ohta
patent: 5086592 (1992-02-01), Schreiber
B. N. Baior and Y. L. Elisman, Automatic Internal Endface-Grinding Machine, pp. 18-21.

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