Puncturing die structure

The utility model discloses a piercing die structure which comprises a lower die holder, a fixed die and an upper die holder, the fixed die is fixed at the top end of the lower die holder, a movable die is fixed at the bottom end of the upper die holder, cutters are mounted on two sides of the movab...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SUN YUSEN, SUN YUQIANG, YANG YAN
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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