针对不锈钢、钛合金材料的深孔加工问题，分析了难加工材料的切削特性。
Analyses the cutting property of stainless steel and titanium alloy to serve the problem of deep hole machining of difficult to cut materials.
分析了钛合金的类型与特性，并结合BT20钛合金对其切削加工性进行了探讨。
The types and features of Titanium alloys are pointed out and the machining features of BT20Titanium alloys are also analyzed and discussed in this paper.
我们首先分析两种材料的加工特性，又从丝锥材料、切削速度、 切削液三方面说明了对不锈钢和钛合金材料攻丝加工时的影响和选取方法。
Stock removing velocity and cutting fluid on the tapping for the materials have been studied in the paper, and thus reasonable tapping conditions for practical working could be selected.
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