Tests show that AE signals may be detected from background noises in cutting process, a few hundreds millisecond before tool break down abrupt.
试验结果证明，刀具破损前会出现预兆性的AE信号，并可把该信号从背景噪声中检测出来。
With features of superhigh hardness and strength, the cutting tool is broken down frequently when female thread was processed using titanium alloy.
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.
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。
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