DOM是一种精密制造技术 " F$ J* A4 R! a% U& v0 G( c1 f$ _它是Drawn Over Mandrel的缩写,意思是通过心轴拉制。8 B# b7 I3 v3 P
下面是这种技术的中英文资料: ! I" I# T7 L- T. { Q; v1 FTo produce specialty tubing, this procedure uses a drawbench to pull tubing through a die and over a mandrel, allowing excellent control of the inside diameter and wall thickness. / t/ I: E; A3 ]5 A X4 {* p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。