Apparatus for controlling a magnetic clamp

Details Apparatus for controlling a magnetic clamp Apparatus for controlling a magnetic clamp

1975-10-06

1977-03-22

Rubinson, Gene Z.

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Work and feed motors

361145, B23Q 510

Patent

active

040139328

ABSTRACT:
An apparatus is disclosed for controlling a magnetic clamp on a machine tool having a machine slide driven by a feed motor in response to a motor power source. Current supplied to the feed motor by the motor power source is monitored by a magnetic coil control circuit. The coil control circuit is operative to regulate the supply of current to the magnetic clamp as a function of the current supplied to the feed motor. A machine slide control circuit is disclosed for inhibiting the motion of the machine slide as a function of the current supplied to the feed motor.

REFERENCES:
patent: 3571911 (1971-03-01), Littwin
patent: 3789279 (1974-01-01), Dempsey
patent: 3859571 (1975-01-01), Strobl et al.

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