A40 コレット取付け方位を考慮したコレットチャックの工具把持精度向上法の提案(OS-3 工具・ツーリング(2))

概要

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Since the collet deforms elastically with chucking, the accuracy of the collet-chuck is not always constant even if it is same chuck and collet. Therefore, in this study, the influence on the chucking accuracy of the setting orientation of the collet to chuck is clarified, and then, the improvement method of the accuracy is proposed based on it. From the experimental result, it is found that there is the specific orientation of the collet to make the accuracy the best. Furthermore, the geometrical analysis makes clear that the chucking error is generated with resultant of inherent geometrical errors of the chuck and collet. Based on the geometrical relationship, it is confirmed that marking the orientation of the chuck and collet for optimal setting makes the chucking accuracy the best.
2008-11-21