During the Spiral welded pipe production, the main reasons of manual bend caused in strip steel are unusual aline of strip steel in strip steel connectionweld process.
在螺旋焊管生产过程中,钢带产生人为硬弯的主要原因是对头焊工序中钢带不能对齐所致。
2
Through analysis of structure of the socket weldconnection pieces, determined the layout project, designed a progressive die. Introduced the design points of main parts and die structure.