The results show that the metal soften is dominant in dry turning process, a good surface can be acquired in wet turning, and the cutting fluid takes an effective effect at the end of tool wear.
试验表明：干切削状态下金属软化效应占主导地位，湿切削可获得更好的表面粗糙度，切削液在刀具磨损后期开始发挥作用。
I'll use thin half round styrene strips and plastic weld to soften them and work the weld look into them with a metal tool.
我会使用薄一半一轮苯乙烯带和塑料焊接软化他们的工作和焊缝看看他们与一个金属工具。
The method can avoid the problems that a plastic shell and a shell of fiber reinforced composite material soften and deform and are burnt, or pits appear on a metal shell.
此方法可避免塑胶外壳及纤维强化复合材料外壳产生软化变形、烧毁或金属外壳产生凹洞的问题。
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