Chuck control for a workpiece holding electromagnet

Details Chuck control for a workpiece holding electromagnet Chuck control for a workpiece holding electromagnet

1984-10-01

1986-12-30

Hix, L. T.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

361149, B25B 1100, H01F 1300

Patent

active

046333614

ABSTRACT:
An electromagnet control apparatus having a remote control switch assembly switchable between a number of positions representing full, variable, residual and zero levels of magnetization. Means are provided for causing the electromagnet to be fully energized for several seconds before being dropped to the residual level of magnetization whenever the switch assembly is switched to a residual setting.

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