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In-process electrical discharge dressing of arc-shaped metal bonded diamond wheels

  • Kai Wang
  • , Fei Fan
  • , Guoyu Tian
  • , Feihu Zhang
  • , Zhongde Liu
  • China Academy of Engineering Physics
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Due to the high hardness of SiC ceramics, the wear of the arc-shaped metal bonded diamond wheels is very serious during the grinding process of large-aperture aspheric SiC mirrors. The surface accuracy and surface/sub-surface quality of the aspheric mirror will be affected seriously if the grinding wheel is not timely dressed. Therefore, this paper focus on the in-process dressing of the arc-shaped metal bonded diamond wheels. In this paper, the application of the asymmetric arc profile grinding wheel in the grinding of aspheric mirrors is discussed first. Then a rotating cup-shaped electrode in-process electro discharge dressing device for the arc-shaped wheels is developed based on the analysis. The dressing experiments are carried out with the device. The experimental results show that the in-process dressing device can did the dressing for the asymmetric and symmetric arc-shaped wheel. The profile error of the arc can reach to 3μm with the in-process dressing device.

Original languageEnglish
Title of host publication8th International Symposium on Advanced Optical Manufacturing and Testing Technologies
Subtitle of host publicationAdvanced Optical Manufacturing Technologies
EditorsLi Yang, Oltmann Riemer, Yongjian Wan, Shengyi Li, Wenhan Jiang
PublisherSPIE
ISBN (Electronic)9781628419184
DOIs
StatePublished - 2016
Event8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, AOMATT 2016 - Suzhou, China
Duration: 26 Apr 201629 Apr 2016

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9683
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, AOMATT 2016
Country/TerritoryChina
CitySuzhou
Period26/04/1629/04/16

Keywords

  • Arc-shaped wheel
  • Electrical discharge dressing
  • In-process dressing
  • Metal bonded diamond wheel

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