Applications of a novel general removal function model in the CCOS

Weimin Zheng; Tianning Cao; Xiuzhong Zhang

doi:10.1117/12.402810

6 October 2000 Applications of a novel general removal function model in the CCOS

Weimin Zheng, Tianning Cao, Xiuzhong Zhang

Proceedings Volume 4231, Advanced Optical Manufacturing and Testing Technology 2000; (2000) https://doi.org/10.1117/12.402810
Event: International Topical Symposium on Advanced Optical Manufacturing and Testing Technology, 2000, Chengdu, China

Abstract

Removal function models play an important role in the computer simulation and the practical Computer Controlled Optical Surfacing. This paper presents a novel general model, which can simulate the removal function of a grinding (polishing) tool with any configuration, as long as the tool runs in dual rotation mode. The removal functions of a dual rotation tool with a single pad or with two pads were calculated by this general model and by the existing single pad and two-pad removal function models, respectively and the simulation results coincide with each other. The grinding & polishing experiments also verify this general model. A set of optimized seven-pad flexible grinding (polishing) tool was developed according to this model. A template function model, which simplified the two-dimension parallel circles tracks programming problem into a one-dimension problem was derived from this model. A Φ300 mm, F5.9 focus lens, with 46 μm aspheric degree was successfully fabricated according to the programming results after 8 hours 43 minutes fine grinding & 15 hours polishing.

Citation Download Citation

Weimin Zheng, Tianning Cao, and Xiuzhong Zhang "Applications of a novel general removal function model in the CCOS", Proc. SPIE 4231, Advanced Optical Manufacturing and Testing Technology 2000, (6 October 2000); https://doi.org/10.1117/12.402810

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