钛合金材料由于存在硬度高、强度大等特点，在进行内螺纹加工过程中刀具经常损坏。
With features of superhigh hardness and strength, the cutting tool is broken down frequently when female thread was processed using titanium alloy.
通过改进刀具角度及操作方法，提高了加工效率，解决了内螺纹加工的难点。
On the basis of improving cutting-tool angle and operating method, the machining efficiency is raised, the difficulties in processing inside whorl are also solved.
通过改进刀具角度及操作方法，提高了加工效率，解决了内螺纹加工的难点。
On the basis of improving cutting-tool angle and operating method, the machining efficiency is raised, the difficulties in processing inside whorl are also solved.
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