Cold roll steel mould

The utility model discloses a cold roll steel mould, including last module and lower module, go up the module, down the module middle part all opened the strip blind hole, and blind hole length is lighter than the length of upper and lower module. The utility model discloses offer the blind hole at...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU YA, LEI DA, LIU KEKUAN, YANG YIZHUANG
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING
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