Journal of Mechanical Engineering >

2018 , Vol. 54 >Issue 21: 205 - 211

DOI: https://doi.org/10.3901/JME.2018.21.205

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

  • YIN Shaohui ,
  • GONG Sheng ,
  • HE Bowen ,
  • CHEN Fengjun ,
  • YIN Ziqiang ,
  • CAO Chengguo
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  • 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 date: 2017-12-06

  Revised date: 2018-06-18

  Online published: 2018-11-05

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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 Ra 6.8 nm after grinding to Ra 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： small aspheric surface; inclined magnetorheological polishing; inclined ultra-precision grinding; combined machining

Cite this article

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 . DOI: 10.3901/JME.2018.21.205

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