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首页> 美国卫生研究院文献>Sensors (Basel Switzerland) >Experimental Study on the Performance of Hydraulic Vibration Assisted Broaching (HVAB) Based on Piezoelectric Sensors
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Experimental Study on the Performance of Hydraulic Vibration Assisted Broaching (HVAB) Based on Piezoelectric Sensors

机译：基于压电传感器的液压振动拉床（HVAB）性能的实验研究

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摘要

In order to improve the keyway broaching process and verify the feasibility of vibration-assisted broaching process, an experimental study on a novel hydraulic vibration assisted broaching (HVAB) system with double-valve electro-hydraulic exciter (DVEHE) is proposed in this paper. The performances of HVAB at different excitation frequencies were compared from three aspects: (a) the cutting force under the different vibration frequencies, (b) the surface roughness of the workpiece, and (c) the flank face wear of the tool. For precision on-line measurement of larger broaching forces, four piezoelectric sensors were fixed on the broaching machine. The experimental results show that HVAB can effectively improve the performance of the broaching process, approximately reduce the broaching force by as much as 9.7% compared to conventional broaching (CB) and improve the surface quality of workpiece. Some explanations are offered to support the observations.
机译：为了改进键槽拉削工艺并验证振动拉削工艺的可行性，本文提出了一种新型的带有双阀电动液压激励器（DVEHE）的液压振动拉削（HVAB）系统的实验研究。从三个方面比较了HVAB在不同激发频率下的性能：（a）在不同振动频率下的切削力；（b）工件的表面粗糙度；（c）工具的侧面磨损。为了精确在线测量更大的拉削力，在拉削机上固定了四个压电传感器。实验结果表明，HVAB可以有效地改善拉削过程的性能，与传统的拉削（CB）相比，可将拉削力大约降低多达9.7％，并提高了工件的表面质量。提供一些解释以支持观察。

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