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16 January 2019 Experimental study on grinding glass-ceramic reflector with diamond pellets
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Proceedings Volume 10838, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 108381G (2019) https://doi.org/10.1117/12.2506251
Event: Ninth International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT2018), 2018, Chengdu, China
Abstract
Different from the abrasive grinding process, diamond particles are solidified in matrix materials and the fixed motion between abrasives and workpieces which good for precision machining, so we take this method to grind glass-ceramic reflector and a good surface quality was obtained by using diamond W14 pellets. Through the grinding process experiment, the material removal rate on the glass-ceramic reflector are measured at the given rotation speed, the pendulum frequency and pressure by W28, W14, W5 pellets. In addition, the surface roughness measurement results show that the surface roughness of 181.6nm can be obtained by using W28 diamond pellets. The experiment also demonstrates that the surface roughness of the glass-ceramic reflector is decrease with changing pellets in a smaller diamond size. After ultra fine grinding processing by using W5 diamond pellets, finally, the optical surface with a roughness of 20.8nm is obtained. The experimental results show that the method of using diamond pellets to process glass-ceramic reflector can replace the traditional abrasive finishing process in rough grinding, fine grinding and superfine grinding.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Weijin Guo, Lipeng Sun, Peng Wang, Yi Tong, Wei Jing, and dongxu wu "Experimental study on grinding glass-ceramic reflector with diamond pellets", Proc. SPIE 10838, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 108381G (16 January 2019); https://doi.org/10.1117/12.2506251
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