Trimming and punching composite die for engineering mechanical track link

The utility model relates to a trimming and punching composite die for an engineering mechanical track link, belonging the technology field of punching and shearing dies; the trimming and punching composite die comprises an upper die seat and a lower die seat, the upper die seat and the lower die se...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	JI LIANKAI, ZHANG YANCHUN
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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