Control device for a small press

Details Control device for a small press Control device for a small press

1982-02-26

1983-12-06

Husar, Francis S.

Metal deforming

With means to drive tool

With means to selectably control movement of tool

72452, 72 19, 72 26, 72 30, 318626, 318470, 318484, 361 31, 192129A, 83 58, 83 62, 100292, 100 48, B21B 4502

Patent

active

044185626

ABSTRACT:
A control device for a small press is provided with means preventing overloading of the drive motor, a timer for detecting when an operational cycle of the press has exceeded a normal value, and a position detector which notes the position of a cam of the press. The power switch of the drive motor is tripped to suspend the flow of current to the motor upon an indication of the foregoing, e.g., a detected over-current, an excessive cycle time, or an operation end position of the cam.

REFERENCES:
patent: 2208058 (1940-07-01), Smith
patent: 2846633 (1958-08-01), Gingrich
patent: 3520391 (1970-07-01), Graham et al.
patent: 3617837 (1970-11-01), Beck et al.
patent: 3878521 (1975-04-01), Licitis et al.

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