非軸対称非球面のダイヤモンド切削に関する研究(第1報) : アールバイトを用いた3軸制御シェーパ加工による形状創成

概要

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This paper deals with the precision cutting (shaper) of non-axi-symmetric aspherical surface by use of a single crystal diamond tool. At first, the effects of the tool radius error on the workpiece form accuracies and the effects of the tool pickfeed rate on the workpiece surface roughness were simulated and its compensation methods were discussed. And a compensation system for the tool deviation profile was developed, which can compensate the tool path based on the tool deviation profile. The tool deviation profile is calculated from the post-process measured data of the machined workpiece surface profiles. Finally, in the axi-symmetric aspherical cutting tests, the molding dies of brass alloy for plastic lenses were examined. The experimental results show that the workpiece accuracies were improved by this new compensating system.
社団法人精密工学会の論文
1999-11-05