超声磁力复合研磨钛合金锥孔的试验研究

doi:10.3901/JME.2017.19.114

机械工程学报 ›› 2017, Vol. 53 ›› Issue (19): 114-119.doi: 10.3901/JME.2017.19.114

• 特邀专栏：超声加工技术 • 上一篇下一篇

超声磁力复合研磨钛合金锥孔的试验研究

焦安源¹, 全洪军², 陈燕², 韩冰²

1. 辽宁科技大学应用技术学院鞍山 114051;
2. 辽宁科技大学机械工程及自动化学院鞍山 114051

收稿日期:2016-07-11 修回日期:2017-02-19 出版日期:2017-10-05 发布日期:2017-10-05
通讯作者: 陈燕(通信作者),女,1963年出生,教授,硕士研究生导师。主要研究方向为精密加工、特种加工技术,E-mail:laochen412@gmail.com
作者简介:焦安源,男,1978年出生,副教授,硕士研究生导师。主要研究方向为机械设计与表面工程,E-mail:cnjoay@163.com;全洪军,男,1989年出生,硕士研究生。主要研究方向为先进磨削技术,E-mail:quanhongjun0708@163.com;韩冰,男,1975年出生,教授,硕士研究生导师。主要研究方向为金属材料表面科学与工程,E-mail:hanbing@ustl.edu.cn
基金资助:
国家自然科学基金资助项目（51105187）。

Experimental Research of Titanium Alloy Taper Hole by Ultrasonic Magnetic Abrasive Finishing

JIAO Anyuan¹, QUAN Hongjun², CHEN Yan², HAN Bing²

1. School of Applied Technology, University of Science and Technology Liaoning, Anshan 114051;
2. School of Mechanical Engineering and Automation, University of Science and Technology Liaoning, Anshan 114051

Received:2016-07-11 Revised:2017-02-19 Online:2017-10-05 Published:2017-10-05

摘要/Abstract

摘要： 为了提高钛合金锥孔的研磨质量和研磨效率，提出了采用超声波振动辅助磁力研磨的复合加工方案。加工时，磨粒在磁场束缚下切削锥孔表面，并对其进行不断撞击，且因为磁场力、超声振动力和离心力等综合影响的原因，磨粒的切削轨迹呈现明显的多向性。针对钛合金锥孔，与传统磁力研磨法进行试验对比，并分析研磨后试件的材料去除量、表面粗糙度和表面形貌等来验证超声磁力复合研磨的效果。结果表明：超声磁力复合研磨加工效率得到提高；锥孔的材料去除量增加至1.6倍；研磨后锥孔平均表面粗糙度由原始的R_a1.23 μm降至R_a0.25 μm，下降率是传统工艺的1.3倍；试件表面的微波峰、凹坑和加工纹理均被去除，锥孔表面质量得到显著提高，且试件形状精度得到改善。

关键词: 表面质量, 超声波振动, 磁力研磨, 研磨效率, 锥孔

Abstract: In order to improve the finishing quality and efficiency on titanium taper hole, the ultrasonic vibration is introduced assisting the conventional magnetic abrasive finishing (MAF). The magnetic abrasive particles (MAPs) not only cut the surface but also produced striking effect in finishing process. The cutting edge of MAPs formed multi-directional cutting path under the comprehensive action of magnetic force, vibratory force and centrifugal force. Through contrast experiment with conventional MAF, the material removal, surface roughness and surface morphology are analyzed to verify the efficiency of ultrasonic magnetic abrasive finishing (UMAF). The results show that the finishing efficiency is improved in UMAF; the material removal of taper hole increased to 1.6 times; the average surface roughness from initial Ra1.23 μm decreased to Ra0.25 μm; the decrease rate is 1.3 times compared with conventional MAF process; the bumps, pits and machining textures on the workpiece surface are all removed, the surface quality is significantly elevated and the shape accuracy of workpiece is improved.

Key words: finishing efficiency, magnetic abrasive finishing, surface quality, taper hole, ultrasonic vibration

中图分类号:

TG580

焦安源, 全洪军, 陈燕, 韩冰. 超声磁力复合研磨钛合金锥孔的试验研究[J]. 机械工程学报, 2017, 53(19): 114-119.

JIAO Anyuan, QUAN Hongjun, CHEN Yan, HAN Bing. Experimental Research of Titanium Alloy Taper Hole by Ultrasonic Magnetic Abrasive Finishing[J]. Journal of Mechanical Engineering, 2017, 53(19): 114-119.

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超声磁力复合研磨钛合金锥孔的试验研究

Experimental Research of Titanium Alloy Taper Hole by Ultrasonic Magnetic Abrasive Finishing

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