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分析了薄壁钢管弯曲时产生瘪皱的原因,提出了弯管模具关键参数的设计计算方法,保证了弯管质量.
The reason of the wrinkling when the thin-walled steel pipe is bent is analyzed. The design calculation method of the key parameters of the elbow pipe mold is put forward to ensure the quality of the elbow pipe.