To produce specialty tubing, this procedure uses a drawbench to pull tubing through a die and oer a mandrel, allowing excellent control of the inside diameter and wall thickness.

• 为了制造出更精密的管子,本工艺通过拔管机使管子经过钢型和心轴的拉制，这样管子的内径和壁厚精密度就能控制的很好。