A07 極微量切削油供給によるホブ切りの基礎的研究 : フラーレン添加剤の影響(OS13 環境適応形加工(2))

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In this paper, the influence of fullerene as an additive on flank wear and crater wear of TiN and (Al,Ti)N-coated tools, and finished surface roughness were investigated with minimal quantity lubrication (MQL) system in hobbing when changing the cutting speed. Experiments were conducted by simulating hobbing by fly tool cutting on a milling machine. The following results were clarified; (1) Fullerene decreases the flank wear compared with dry cutting even if the cutting speed was changed. The flank wear obtained with the(Al,Ti)-coated tool is smaller than that obtained with the TiN-coated tool. (2) Even if the cutting speed was changed, fullerene is effective for the crater wear and the finished surface roughness compared with dry cutting.
2010-11-19