Spiral welded pipe is a strip coil as raw material, often warm extrusion molding, to automatically double-wire submerged arc welding process double-sided spiral welded pipe joints.
螺旋焊管是以带钢卷板为原材料，经常温挤压成型，以自动双丝双面埋弧焊工艺焊接而成的螺旋缝钢管。
This paper introduced the manufacturing process of bore bit warm extrusion technology, main technological parameter and mold design process.
绍了钎头温挤成型工艺的研制过程、主要工艺参数的确定及模具设计过程。
Applying warm extrusion technique instead of machine 'work to a conical body, the problem of double-layered metal formed in the process of extrusion has been solved.
对机加生产的锥形体改为温挤压进行了研究，解决了挤压过程中出现的金属夹层问题。
应用推荐