Application of ELID grinding technique to precision machining of optics

Feihu Zhang; Wei Li; Zhongjun Qiu; Hitoshi Ohmori

doi:10.1117/12.402803

6 October 2000 Application of ELID grinding technique to precision machining of optics

Feihu Zhang, Wei Li, Zhongjun Qiu, Hitoshi Ohmori

Proceedings Volume 4231, Advanced Optical Manufacturing and Testing Technology 2000; (2000) https://doi.org/10.1117/12.402803
Event: International Topical Symposium on Advanced Optical Manufacturing and Testing Technology, 2000, Chengdu, China

Abstract

ELID (Electrolytic In-process Dressing) grinding is a new ultra-precision machining technique which employs in-process electrolysis to dress the metal bond diamond wheel in grinding process. In this paper, the principle of ELID grinding is introduced. An optical glass sample is ground by using cast iron bond diamond wheel and ELID technique. Tested by WYKO RST Plus, the grinding surface roughness Ra is 2.48 nm. A conclusion can be drawn that using ELID technique can realize the ultra-precision grinding of optical glass.

Citation Download Citation

Feihu Zhang, Wei Li, Zhongjun Qiu, and Hitoshi Ohmori "Application of ELID grinding technique to precision machining of optics", Proc. SPIE 4231, Advanced Optical Manufacturing and Testing Technology 2000, (6 October 2000); https://doi.org/10.1117/12.402803

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