Perforated hole size adjustable melodica fine blanking device

The utility model discloses a melodica fine blanking device with adjustable punching size, which comprises an upper die holder, a lower die holder and a guide sleeve, a punch die is arranged in the middle of the lower surface of the upper die holder, a U-shaped groove is arranged in the middle of th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KONG XIANGCHENG, XU LULU, KONG ZHENQING
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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