Center drilling device for valve ball machining and capable of preventing hole position deviation and positioning method of center drilling device

The invention discloses a center drilling device for valve ball machining and capable of preventing hole position deviation and a positioning method of the center drilling device. The center drilling device is arranged on a moving seat, and a supporting frame is fixedly mounted on the right side of...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YU SANBAO, JIN YANGLAI, WANG JIANFENG, DAI WEIYAN, YOU LIZE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BORING COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING TURNING
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