Study on wear behavior of grinding wheel for the generating process of UV grade fused silica

Hau-Lin Chen; Wei-Cheng Lin; Chien-Yao Huang; Wen-Hong Wu; Jiun-Lee Chang; Hung-Pin Chen

doi:10.1117/12.2536652

15 November 2019 Study on wear behavior of grinding wheel for the generating process of UV grade fused silica

Hau-Lin Chen, Wei-Cheng Lin, Chien-Yao Huang, Wen-Hong Wu, Jiun-Lee Chang, Hung-Pin Chen

Proceedings Volume 11175, Optifab 2019; 1117529 (2019) https://doi.org/10.1117/12.2536652
Event: SPIE Optifab, 2019, Rochester, New York, United States

Abstract

The degree of passivation of the grinding wheel is gradually increased during the machining process, the friction between the grinding wheel and the workpiece is increased which causing the vibration and noise of the machine are changed. Therefore, the vibration and noise values could be obtained by using the vibration sensor and microphone. We use the spectrum analyzer to analyze the trend of the variation of vibration and noise signals. As the wear of the grinding wheel increases, the sound acoustic pressure in the range of 4.3 kHz to 5.3 kHz decreases. As the friction between the grinding wheel and the workpiece increases, high-frequency noise greater than 6 kHz are excited and the acoustic pressure increases. According to the experimental results, it is known that the wear state of the grinding wheel and the noise spectrum in generating process has a significant correlation. The cutting force of the grinding wheel can be observed by the noise spectrum of the spectrum analyzer to identify whether there is an abnormality in the processing process to optimize the grinding parameter immediately for avoiding the damage of the lens.

Citation Download Citation

Hau-Lin Chen, Wei-Cheng Lin, Chien-Yao Huang, Wen-Hong Wu, Jiun-Lee Chang, and Hung-Pin Chen "Study on wear behavior of grinding wheel for the generating process of UV grade fused silica", Proc. SPIE 11175, Optifab 2019, 1117529 (15 November 2019); https://doi.org/10.1117/12.2536652

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