Electrolytic combined processing machine

Details Electrolytic combined processing machine Electrolytic combined processing machine

1993-09-14

1995-10-03

Gorgos, Kathryn

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204212, 204218, 204228, 204224M, B24B 700, C25F 700

Patent

active

054549213

ABSTRACT:
An electrolytic combined processing machine includes a grinding wheel spaced apart from and facing a workpiece, a current switching circuit for switching a coarse grinding to a fine grinding of the workpiece by the grinding wheel, and an infeed switching circuit for switching the infeed speed of an infeed table which allows the grinding wheel to relatively approach the workpiece. The switching operation is based on a measurement result obtained from a size measuring unit which measures a processing amount of the workpiece. During fine grinding, the infeed speed of the grinding wheel is the same as the speed of a passivation coating film generated on the workpiece. Workpieces, particularly of brittle materials, can be processed in a state of less processing distortion with improved surface roughness, flatness and efficiency.

REFERENCES:
patent: 3835016 (1974-09-01), Bourdolle et al.
patent: 4101405 (1978-07-01), Inoue

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