Method of processing steel plate and punching machine

A method for processing a steel plate includes punching a steel plate as a workpiece fixed to a punching die by a punch, making a first heating electrode provided on a punch holder for supporting the punch and a second heating electrode provided on the punching die face each other by maintaining the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Ihara, Tomoaki, Tobita, Shunsuke
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS 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 method for processing a steel plate includes punching a steel plate as a workpiece fixed to a punching die by a punch, making a first heating electrode provided on a punch holder for supporting the punch and a second heating electrode provided on the punching die face each other by maintaining the punch in a state in which the punch penetrates the steel plate and heating a part of the steel plate including a trim edge punched in the punching, and pulling out the punch from the punching die.