Spiral steel pipe forming device and method for adjusting shape of inner supporting roller of spiral steel pipe forming device

The invention relates to a spiral steel pipe former and an inner supporting roller shape adjusting method thereof, and relates to the technical field of spiral welded pipe manufacturing, the spiral steel pipe former comprises a base table and a forming machine arranged on the base table, a steel pip...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LIAO CHANGSHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING
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