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세라믹 연삭에서 다이아몬드 휠의 수명 판정에 관한 연구
임홍섭,유봉환,소의열,이근상,사승윤 한국공작기계학회 2002 한국공작기계학회 추계학술대회논문집 Vol.2002 No.-
In order to investigate the characteristics of grinding and diamond wheel grinding ceramic materials, grinding resistance, surface roughness of worked surface and image of grinding wheel were acquired using experimental method. Through the experiments, this makes it possible to observe grinding wheel behavior by grinding resistance, surface roughness and cutting edge ratio. In case of Al₂O₃, cutting edge ratio is begger than that of ZrO₂ and Si₃N₄. That’s because Al₂O₃ has a characteristics of low fracture toughness and bending stress.
문홍현,김성청,공재향,박병규,소의열,이근상 한국공작기계학회 2002 한국공작기계학회 춘계학술대회논문집 Vol.2002 No.-
In this study, through the experimental results of grinding ratio, grinding force and surface roughness with the obtained wear amount of diamond wheel and ceramic material during the grinding process, the following conclusions could be found. In the case of Si₃N₄, the wear of diamond wheel is large while the grinding force is stable and the range of change in surface roughness is small. For the case of Al₂O₃ and ZrO₂, while the wear of diamond wheel is getting smaller, the grinding force is increasing but the value of surface roughness is decreasing. For grinding with the vitrified bond wheel, it seems that the self-sharpening can be found for Si₃N₄ and the glazing effect of the cutting edge for Al₂O₃ and ZrO₂.