CONTROL CIRCUIT FOR MAGNETIC ACTUATOR

A control circuit for a magnetically actuated die closing apparatus, featuring force responsive die closing cycle termination circuitry as well as safety features for protecting the operator and the apparatus. The safety features include an electro-optic guard and clock circuit. The initial let down...

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Bibliographische Detailangaben
Hauptverfasser:	KELLER J,US, LONGENECKER B,US
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER CURRENT COLLECTORS DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION LINE CONNECTORS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSES PRESSES IN GENERAL PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A control circuit for a magnetically actuated die closing apparatus, featuring force responsive die closing cycle termination circuitry as well as safety features for protecting the operator and the apparatus. The safety features include an electro-optic guard and clock circuit. The initial let down force of the ram as the dies make initial closing contact with the workpiece is limited by a let-down circuit incorporated into the control circuit.