功率超声珩磨空化试验分析

doi:10.3901/JME.2017.19.136

机械工程学报 ›› 2017, Vol. 53 ›› Issue (19): 136-142.doi: 10.3901/JME.2017.19.136

• 特邀专栏：超声加工技术 • 上一篇下一篇

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功率超声珩磨空化试验分析

祝锡晶, 叶林征

中北大学机械与动力工程学院太原 030051

收稿日期:2016-12-01 修回日期:2017-02-23 出版日期:2017-10-05 发布日期:2017-10-05
作者简介:祝锡晶,男,1969年出生,博士,教授,博士研究生导师。主要研究方向为精密与特种加工,E-mail:zxj161501@nuc.edu.cn
基金资助:
国家自然科学基金资助项目（51275490）。

Analysis of Power Ultrasonic Honing Cavitation Test

ZHU Xijing, YE Linzheng

School of Mechanical and Power Engineering, North University of China, Taiyuan 030051

Received:2016-12-01 Revised:2017-02-23 Online:2017-10-05 Published:2017-10-05

摘要/Abstract

摘要： 功率超声珩磨加工过程中会发生空化现象，为探究空化对被加工材料表面的影响，进行超声珩磨空化正交试验并针对凹坑最大直径、表面侵蚀率、表面粗糙度三个指标进行试验分析，这三个指标可分别表征单泡溃灭强度，整体空化强度及空化对材料表面质量影响，结果表明：空化造成材料表面微小凹坑，影响凹坑最大直径的主要因素依次为距离和振幅，距离越小，振幅越大，则凹坑最大直径越大；影响表面侵蚀率的主要因素依次为试验时间和距离；而振幅则对材料表面粗糙度的影响最大，在距离5 mm、振幅65%、试验时间1/3 min条件下，试样表面粗糙度降低，表面质量提高。因此，在一定条件下，空化效应有助于改善超声珩磨中工件表面质量，试验分析结果对超声珩磨实际加工具有借鉴意义。

关键词: 超声珩磨, 空化效应, 试验分析

Abstract: Cavitation will occur in the process of power ultrasonic honing, to explore the influence of cavitation on the material surface processed, ultrasonic honing cavitation orthogonal test is conducted and three indicators that maximum pit diameter, surface erosion rate and surface roughness are analyzed, which can respectively represent the single bubble collapse strength, the whole cavitation strength and the impact of cavitation on material surface quality, the results show:Cavitation leads to micro dips on material surface, the main factors influencing the maximum dip diameter are distance and amplitude in turn, the smaller the distance and the greater the amplitude, the larger the maximum dip diameter; the main factors affecting the surface erosion rate are test time and distance in turn; and amplitude is the greatest influence on the surface roughness, the sample surface roughness reduces and surface quality improves in the condition of distance 5 mm, amplitude 65% and test time 1/3 min. Therefore, cavitation effect helps to improve the workpiece surface quality in ultrasonic honing under certain conditions, the test analysis results have reference significance to the actual processing of ultrasonic honing.

Key words: cavitation effect, test analysis, ultrasonic honing

中图分类号:

TG580
O427

祝锡晶, 叶林征. 功率超声珩磨空化试验分析[J]. 机械工程学报, 2017, 53(19): 136-142.

ZHU Xijing, YE Linzheng. Analysis of Power Ultrasonic Honing Cavitation Test[J]. Journal of Mechanical Engineering, 2017, 53(19): 136-142.

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功率超声珩磨空化试验分析

Analysis of Power Ultrasonic Honing Cavitation Test

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