Ram stabilizing circuit for electrical discharge machine

Details Ram stabilizing circuit for electrical discharge machine Ram stabilizing circuit for electrical discharge machine

1985-11-22

1988-03-22

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

B23H 102, B23H 732

Patent

active

047330430

ABSTRACT:
A closed loop servo feed system for an EDM ram. A gap voltage signal is processed to control the servo feed operation with respect to ram velocity and also ram direction. A first network is provided with a voltage to frequency section for controlling ram velocity. A second network includes a raise/lower ram section with a comparator to determine the direction of ram movement.

REFERENCES:
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patent: 4160200 (1979-07-01), Imamura et al.
patent: 4238660 (1980-12-01), Bell, Jr. et al.
patent: 4315199 (1982-02-01), Kyomasu et al.
patent: 4320278 (1982-03-01), Bell, Jr. et al.
patent: 4409942 (1977-09-01), Balleys et al.
patent: 4458190 (1984-07-01), Takawashi et al.
patent: 4475025 (1984-10-01), Sutton et al.
patent: 4484287 (1984-11-01), Gamo et al.

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