Optimization on the general molds design method for precision glass molding

Yue Liu; Changxi Xue; Yintian Xing; Chuang Li; Chao Yang

doi:10.1117/12.2606086

15 February 2022 Optimization on the general molds design method for precision glass molding

Yue Liu, Changxi Xue, Yintian Xing, Chuang Li, Chao Yang

Proceedings Volume 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021); 121660O (2022) https://doi.org/10.1117/12.2606086
Event: Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 2021, Hong Kong, Hong Kong

Abstract

Precision glass molding (PGM) technology provides a possibility of rapidly manufacturing optical lenses with large volume, high precision, and complex shapes. It is difficult to fabricate micrometer-level structures in common PGM mold materials like tungsten carbide (WC) using a grinding/polishing approach. But no literature has pointed out how to design the dimensional tolerance of molds to ensure the molding accuracy in the case of the molds working in a temperature range of several hundreds of degrees Celsius. In this paper, a theoretical model is established based on the general molds designed sizes. The finite element method (FEM) and the PGM experiments were carried out. The measuring results of the decenter and tilt of the molded lens indicated that the optimization was effective and could be applied to other PGM experiments.

Citation Download Citation

Yue Liu, Changxi Xue, Yintian Xing, Chuang Li, and Chao Yang "Optimization on the general molds design method for precision glass molding", Proc. SPIE 12166, Seventh Asia Pacific Conference on Optics Manufacture and 2021 International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2021), 121660O (15 February 2022); https://doi.org/10.1117/12.2606086

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