洗浄性を考慮した複合砥粒の開発とその研磨特性(<小特集>生産加工・工作機械の規範2008)

概要

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The specific gravity of cerium oxide used for glass polishing as abrasives is very heavy so that the cleanability of workpieces and the dispersibility in polishing slurry are very bad. Then composite abrasives that put the abrasive grains on the surface of the polymer particles with light specific gravity were developed in this paper. For manufacturing the composite abrasives, it was found that the hybrid mixer with two axis rotation method was more suitable than hybridization system with one axis rotation method. The residual abrasives were still observed though cleanability was considerably improved by using the composite abrasives. Because it was made clear that the loose abrasives were deteriorated of the cleanability, classification using the subsidence speed difference was carried out. As the result cleanability and surface finish were improved very much using the classified composite abrasives. Next the material of the mother particle was examined. The polyurethane was suitable for glass polishing, and higher removal rate was obtained than that of conventional polishing.
社団法人日本機械学会の論文
2009-09-25