Method and apparatus for grinding with electrolytic dressing

Details Method and apparatus for grinding with electrolytic dressing Method and apparatus for grinding with electrolytic dressing

1994-08-23

1996-08-20

Kisliuk, Bruce M.

Abrading

Precision device or process - or with condition responsive...

With feeding of tool or work holder

451 56, 451 8, B24B 4900

Patent

active

055474144

ABSTRACT:
An apparatus for grinding a workpiece while electrolytically dressing an electrically conductive grinding wheel. The apparatus has an electrically conductive grinding wheel with a contact surface for contacting the workpiece, an electrode opposed to the grinding wheel and spaced a distance therefrom, a nozzle for supplying conductive fluid between the grinding wheel and the electrode, and a device for applying a voltage between the grinding wheel and the electrode. An eddy current sensor is arranged in proximity to the working surface of the grinding wheel for measuring the position of the grinding wheel in a non-contact manner. A grinding wheel controlling device is provided for controlling the position of the grinding wheel based on the values measured by the eddy current sensor. The apparatus can measure the dimensions of the grinding wheel during its grinding operation without being influenced by the grinding fluid and the nonconductive film formed on the wheel and can therefore efficiently carry out high accuracy grinding without a high degree of operator skill.

REFERENCES:
patent: 3641714 (1972-02-01), Asano
patent: 3905161 (1975-09-01), Tomita et al.
patent: 4945888 (1990-08-01), Mushardt et al.
patent: 5088239 (1992-02-01), Osman
patent: 5091067 (1992-02-01), Ushiyama et al.
patent: 5108561 (1992-04-01), Kuromatsu
patent: 5237779 (1993-08-01), Ota

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