To adopt milling machines to prepare strip edges and groove to give good condition for forming and welding of spiral submerged arc-weldedpipe.
在螺旋焊管生产中采用铣边机铣削带钢边缘和坡口，为螺旋焊管成形、 焊接创造了有利的条件。
2
In this paper the HAZ weld thermal cycles of the welding by both sides submerged arcwelded steel pipe were reproduced by the dislocation overlap weld method.
采用焊道错位叠加方法，再现了螺旋管双面埋弧焊制管过程中内、外焊焊接热影响区(HAZ)的焊接热循环。
3
Spiral weldedpipe is a strip coil as raw material, often warm extrusion molding, to automatically double-wire submerged arc welding process double-sided spiral weldedpipe joints.