小口径非球面斜轴磨削及磁流变抛光组合加工工艺及装备技术研究

doi:10.3901/JME.2018.21.205

机械工程学报 ›› 2018, Vol. 54 ›› Issue (21): 205-211.doi: 10.3901/JME.2018.21.205

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小口径非球面斜轴磨削及磁流变抛光组合加工工艺及装备技术研究

尹韶辉^1,2, 龚胜^1,2, 何博文^1,2, 陈逢军¹, 尹自强³, 曹成国⁴

1. 湖南大学国家高效磨削工程技术研究中心长沙 410082;
2. 智能激光制造湖南省重点实验室长沙 410082;
3. 国防科学技术大学超精密加工技术湖南省重点实验室长沙 410073;
4. 北京工研精机股份有限公司北京 101312

收稿日期:2017-12-06 修回日期:2018-06-18 出版日期:2018-11-05 发布日期:2018-11-05
通讯作者: 尹韶辉(通信作者),男,1967年出生,博士,教授,博士研究生导师。主要研究方向为超精密与光学制造。E-mail:yinshaohui@hnu.edu.cn
作者简介:龚胜,男,1986年出生,博士研究生。主要研究方向为超精密磨削工艺与装备。E-mail:gshryl@126.com
基金资助:
国家自然科学基金（51675171）和国际科技合作与交流专项（2016YFE0128800）资助项目。

Development on Synergistic Process and Machine Tools Integrated Inclined Axis Grinding and Magnetorheological Polishing for Small Aspheric Surface

YIN Shaohui^1,2, GONG Sheng^1,2, HE Bowen^1,2, CHEN Fengjun¹, YIN Ziqiang³, CAO Chengguo⁴

1. National Engineering Research Center for High Efficiency Grinding, Hunan University, Changsha 410082;
2. Hunan Provincial Key Laboratory of Intelligent Laser Manufacturing, Hunan university, Changsha 410082;
3. Hunan Key Laboratory of Ultra-precision Machining Technology, National University of Defense Technology, Changsha 410073;
4. Beijing Precision Machinery & Engineering Research Co., LTD, Beijing 101312

Received:2017-12-06 Revised:2018-06-18 Online:2018-11-05 Published:2018-11-05

摘要/Abstract

摘要： 为提高小口径非球面模具加工效率和加工精度，提出一种结合斜轴超精密磨削和斜轴磁流变抛光的组合加工方法，将两种超精密加工方法集成在一台机床上，以缩短装夹时间以及降低装夹误差。研制新型的小口径非球面超精密复合加工机床，对直径Ф6.6 mm的非球面碳化钨模具进行了加工试验。斜轴磨削后加工表面粗糙度达到R_a 6.8 nm，斜轴磁流变抛光后表面粗糙度达到R_a 0.7 nm，面型精度可以达到PV 221 nm。结果表明，所开发的小口径非球面超精密复合加工装备能达到加工要求，可有效提高加工精度和加工效率。

关键词: 小口径非球面, 斜轴超精密磨削, 斜轴磁流变抛光, 组合加工

Abstract: To improve machining efficiency and accuracy for small aspheric molds, a synergistic process integrated inclined axis grinding and magnetorheological polishing is proposed. It can reduce clamping time and installation error to integrate the two ultra-precision processes on one machine. A new type of machining tool is developed. Grinding experiments for aspheric molds in diameter Ф6.6mm are carried out. Surface roughness Ra of is largely improved from R_a 6.8 nm after grinding to R_a 0.7 nm after magnetorheological polishing. The ground surface is reached PV(Peak-Valley) 221 nm after polishing. The experimental results showed that the synergistic process may improve efficiency and accuracy for machining small aspheric molds.

Key words: combined machining, inclined magnetorheological polishing, inclined ultra-precision grinding, small aspheric surface

中图分类号:

TH162
TG596

尹韶辉, 龚胜, 何博文, 陈逢军, 尹自强, 曹成国. 小口径非球面斜轴磨削及磁流变抛光组合加工工艺及装备技术研究[J]. 机械工程学报, 2018, 54(21): 205-211.

YIN Shaohui, GONG Sheng, HE Bowen, CHEN Fengjun, YIN Ziqiang, CAO Chengguo. Development on Synergistic Process and Machine Tools Integrated Inclined Axis Grinding and Magnetorheological Polishing for Small Aspheric Surface[J]. Journal of Mechanical Engineering, 2018, 54(21): 205-211.

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小口径非球面斜轴磨削及磁流变抛光组合加工工艺及装备技术研究

Development on Synergistic Process and Machine Tools Integrated Inclined Axis Grinding and Magnetorheological Polishing for Small Aspheric Surface

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[1]	尹韶辉;徐志强;陈逢军;余剑武. 一种小口径非球面斜轴磁流变抛光技术[J]. , 2013, 49(17): 33-38.
[2]	尹韶辉;朱科军;余剑武;朱勇建;陈逢军. 小口径非球面玻璃透镜模压成形[J]. , 2012, 48(15): 182-192.