Flange surface scratch-proof method

The invention belongs to the technical field of flange production, in particular to a flange surface scratch-proof method which solves the problem that the surface of a flange product reaching the roughness Ra less than or equal to 6.3 micrometers required by the standard is prone to collision and s...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG ZHIZHONG, ZHI SHAOYONG, QIAO DONGJIE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BORING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING TURNING
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