A study on optimum grinding factors for aspheric convex surface micro-lens using design of experiments |
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Authors: | E.-S. Lee S.-Y. Baek |
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Affiliation: | aDepartment of Mechanical Engineering, INHA University, 253 Yonghyun-Dong, Nam-Gu, Incheon 402-751, Korea |
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Abstract: | As the consumer market in the optics, electronics and aerospace industries grows, the demand for ultra-precision aspheric surface micro-lens increases. To enhance the precision and productivity of ultra-precision aspheric surface micro-lens, we present an ultra-precision grinding system and process for the aspheric surface micro-lens. In this paper, an ultra-precision grinding system for manufacturing the aspheric surface micro-lens was developed by considering the factors affecting the grinding surface roughness and profile accuracy. This paper deals with the mirror grinding of an aspheric surface micro-lens by resin-bonded diamond wheel and with the spherical lens of BK7. The optimization of grinding conditions with respect to ground surface roughness and profile accuracy is investigated by design of experiments. |
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Keywords: | Aspheric surface Ultra-precision grinding system Profile accuracy Ground surface roughness Profile error Design of experiments |
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