Study on Grinding Force of Axial Ultrasonic Vibration Assisted Grinding

HE Yu-hui, ZHOU qun, LANG Xian-jun

Journal of Vibration and Shock ›› 2016, Vol. 35 ›› Issue (4) : 170-176.

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PDF(1870 KB)
Journal of Vibration and Shock ›› 2016, Vol. 35 ›› Issue (4) : 170-176.

Study on Grinding Force of Axial Ultrasonic Vibration Assisted Grinding

  • HE Yu-hui, ZHOU qun, LANG Xian-jun
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Abstract

Assuming that the Rayleigh distribution is submitted to the undeformed chip thickness, the machining deformation force calculating expressions is deduced. According to the relative movement of the grains and the workpiece, the influence of ultrasonic vibration on friction force is discussed, and the changing trend of the friction force in the wheel tangential direction during the process of axial ultrasonic vibration assisted grinding is also analyzed. A predictive model of grinding force during axial ultrasonic vibration assisted grinding process is established under the comprehensive theory analysis of machining deformation force and friction force. Comparative experimental results showed that: effect of grinding parameters and vibration parameters on grinding force obtained from the experiments is consistent with the theoretical analysis. And simulation results agree well with experimental measurements. Thus, the feasibility  of the model is verified.

Key words

 Undeformed chip thickness / Rayleigh distribution / Ultrasonic Vibration Assisted Grinding / Grinding force

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HE Yu-hui, ZHOU qun, LANG Xian-jun. Study on Grinding Force of Axial Ultrasonic Vibration Assisted Grinding[J]. Journal of Vibration and Shock, 2016, 35(4): 170-176

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