在ERW焊管机组生产中，带钢的硬弯大小直接影响焊管机组的正常运行及焊接钢管的质量。
During the production of ERW steel pipe mill, the size of steel of strip hard bent influences the running of pipe welder and the quality of the pipe.
介绍了螺旋焊管生产中对头焊带钢的硬弯现象发生原因，对钢管质量的危害及防止措施。
The discussion involves such aspects as the cause of strip folding occurring in butt-welding process of spiral weld pipe, negative influence by such failure on pipe quality and preventive actions.
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。
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 connection weld process.
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