Bolt pre-tightening assisting device of press machine

The utility model relates to the field of mechanism device manufacturing and discloses a bolt pre-tightening assisting device of a press machine. The press machine comprises a machine seat. A pillar is arranged on the machine seat. A pre-tightening bolt penetrates through the pillar. An end portion...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GUO XINLING, BAI XIAOQI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	COMBINED OPERATIONS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS PRESSES PRESSES IN GENERAL TRANSPORTING UNIVERSAL MACHINE TOOLS
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