【摘要】 介绍了焊管生产中Ｗ成型孔型曲线的特点及孔型参数的计算，对Ｗ成型孔型设计有一定参考价值。更多还原

【Abstract】 Presented in the article are the features of pass curves for W forming in the welded steel tube manufacture and the calculation for pass parameters, being valuable as reference for design of W forming pass.更多还原