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介绍了一种用游动芯头拉伸定位 ,通过外表面带有螺旋沟槽的芯头与行星式圆球滚动旋轧生产的内螺旋线管的方法 ,可以快速、连续地加工出薄壁内螺旋线管。
A method of stretching and positioning a traveling core head and rolling an inner spiral tube by rolling and rolling a core head with a spiral groove on the outer surface and a planetary ball is introduced to rapidly and continuously process the thin wall Internal spiral tube.