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在用削扁镗杆镗孔的条件下,根据切削力动态信号的自回归谱和自功率谱,研究了镗刀磨损对其刀尖运动轨迹的影响,验证了随着刀具磨损,其切削力的频率由高向低变化的规律,论证了用时序谱监控刀具磨损的可能性。
Under the condition of boring and boring the boring bar, the influence of boring tool wear on the tool path is studied based on the autoregressive spectrum and self-power spectrum of cutting force dynamic signal. It is verified that with the tool wear, the cutting force Frequency from high to low changes in the law to demonstrate the use of timing spectrum monitoring tool wear possibility.