【摘要】 冷弯成型变形复杂，实验研究是冷弯成型研究中不可缺少的一部分。采用电阻应变片测量法和网格法对冷弯成型过程进行研究，并以直缝焊管为例，对带材的变形及弹复等进行综合测试，获得了许多有价值的实验数据，有助于工厂改进工艺，生产出高质量的产品。更多还原

【Abstract】 In cold roll forming process,deformation is complicated The experimental research is an essential part in cold roll forming research In this paper,resistance measurement method and mesh measurement method have been employed to study cold roll forming process As an example,the deformation and the springback of ERW pipe have been measured A lot of valuable experimental data have been got It is helpful to improve technology and produce good products for the factories更多还原