Slide operation control device for a press

Details Slide operation control device for a press Slide operation control device for a press

1993-03-10

1994-02-15

Gerrity, Stephen F.

Presses

Automatic or material triggered control

100 48, 100 53, 192129A, B30B 1526, B30B 1514, B30B 1528

Patent

active

052857212

ABSTRACT:
The present invention is to provide a fail-safe slide operation control device for a press of simple structure when the electronic circuit by fail-safe signal processing as a circuit for monitoring overrun and confirming the OFF condition of an operation button, which is important function to control the slide, is used instead of a contact circuit composed of relays.

REFERENCES:
patent: 3227255 (1966-01-01), Heiberger
patent: 3249820 (1966-05-01), Stimmel
patent: 3534844 (1970-10-01), Freeland
patent: 3628357 (1971-12-01), Luenser
patent: 3815456 (1974-06-01), Braathen et al.
patent: 3889503 (1975-06-01), Luenser
patent: 4298114 (1981-11-01), Nagai et al.

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