Brake monitor for part-revolution mechanical power press

Details Brake monitor for part-revolution mechanical power press Brake monitor for part-revolution mechanical power press

1979-03-27

1980-06-03

Wilhite, Billy J.

Presses

Methods

72 26, 100 53, 192129A, B30B 1514

Patent

active

042056039

ABSTRACT:
A method and system for monitoring brake performance in part-revolution clutch presses and the like comprising an overrun cam coupled to a switch for indicating passage of the press die beyond the nominal desired stop position and entry into a danger range indicative of impending brake failure. A control relay is coupled to the overrun cam switch for inhibiting press operation when impending brake failure is sensed. A time delay relay is coupled to a press operator responsive switch for inhibiting operation of the monitoring circuitry and permitting passage of the press die through the danger zone during normal press operation.

REFERENCES:
patent: 3078751 (1963-02-01), Hill
patent: 3931727 (1976-01-01), Luenser

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