在线金属切削刀具磨损状态监测研究的回顾与展望I:监测信号的选择

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切削刀具的状态直接影响工件的质量及加工成本,因此刀具的状态监测越来越受到人们的重视,为了达到这一目的,监测信号的选择是至关重要的.对近年来在学术期刊上公开发表的关于刀具磨损在线监测研究文献中所采用的监测信号作了简要的回顾,仅限于间接监测方法,例如监测切削力、振动、声发射、主轴电流等信号.分析这些信号各自的优缺点,并得出结论:多传感器融合的监测方法以其信息覆盖范围广,抗干扰能力强、冗余性好,能较完善、精确地反映切削过程等优点,将成为未来刀具状态监测技术的发展方向.
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