Optical glass grinding wheel modeling and grinding simulation technology

摘要

With the development of optical components towards low surface damage and low scattering characteristics, more and more attention has been paid to the surface integrity of optical components. Grinding is a kind of common rough machining process for precision optical components, and the ground surface quality have an effect on the subsequent polishing efficiency and the surface integrity of optical components directly. In this paper, in order to study the grinding surface morphology of ZF62 optical glass material, the grinding wheel modeling, surface formation mechanism, and abrasive movement path are analyzed. The models of grinding wheel surface is based on the power spectral density (PSD) of the grinding wheel surface, and verified the effectiveness of the modeling method through experiments. with the experiments, there are several conclusions as follow: The modeling of the grinding wheel surface based on PSD could be effectively simulated and analyzed the grinding surface of the grinding wheel. Both the simulation and the experiment show that the consistency of the trend of the ground surface. The surface roughness decrease with the increasing of the grinding speed and increase with the increasing of feed rate and the grinding depth.