小径エンドミル加工における左ねじれ工具のすくい角の違いが切削現象に及ぼす影響

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  • Influence of rake angle of left hand helical tool with right hand cut on cutting phenomena in micro end-milling

説明

This study deals with cutting phenomena in micro end-milling of hardened die steels. We have reported that cutting phenomena becomes unstable because end cutting edge of right hand helical tool is damaged early in shoulder cutting. Therefore, we prepared left hand helical tool experimentally to complete processing by improving the strength of end cutting edge. In this paper, to clear influence of angle of left hand helical tool with right hand cut on cutting phenomena in micro end-milling, cutting experiments were carried out with evaluating cutting force, quantity of unstock-removal, machining error, and machine surface by comparing with standard right hand helical tool.

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