Because of the complex and hard-manipulative process of welded pipe, modern design method such as CAD/CAE/CAM is used for developing research job of related prototyping technologies of ERW (Electrical Resistance Welding).

• 由于焊管成型过程复杂,成型质量不易控制,因此借助CAD/CAE/CAM现代设计方法,开展高频直缝焊管成型相关技术研究对于进一步提高焊管产品质量,开发新焊管产品具有很好的推动作用。