Electric discharge machining control device

Details Electric discharge machining control device Electric discharge machining control device

1982-06-21

1984-07-03

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Digital or numerical systems

318607, 318636, 21912403, G05B 1928

Patent

active

044581904

ABSTRACT:
In an electric discharge machine in which the machining gap between an electrode and a workpiece is maintained suitably by a control device having sampling, logic operation and holding functions, an up-down counter is provided for integration, over a predetermined period corresponding to the sampling period, servo signals from a discrimination circuit adapted to discriminate the conditions of the machining gap, so that sampling for all periods of time within the sampling period can be achieved.

REFERENCES:
patent: 3398342 (1968-08-01), Redman
patent: 3646309 (1972-02-01), Smith, Jr.
patent: 3970911 (1976-07-01), Schmall
patent: 4170727 (1979-10-01), Wilkins
patent: 4363468 (1982-12-01), Noe

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