DOM是一种精密制造技术 3 n$ F: ]# s% _它是Drawn Over Mandrel的缩写,意思是通过心轴拉制。7 q& _: p+ F! ^
下面是这种技术的中英文资料: / I9 ~' h/ Z& Y! S% u8 k/ Q7 {To 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. v0 w* _0 O) o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。