Punching structure for upper strip of automobile door frame

The utility model discloses a punching structure for an upper strip of an automobile door frame, which relates to the technical field of punching structures and comprises an upper die holder, and a driving block is arranged on the upper die holder. A lower die holder; the punching device is arranged...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZENG GUICHENG, SU DONGFENG
Format:	Patent
Sprache:	chi ; 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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