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이영문(Y. M. Lee),손재환(J. H. Son),배대원(D. W. Bae),손성필(S. P. Son),황근식(G. S. Hwang),박건우(G. W. Park) 한국기계가공학회 2006 한국기계가공학회 춘추계학술대회 논문집 Vol.2006 No.-
As a new approach to analyze grinding characteristics, this paper introduces a specific grinding energy model based on the surface area of grain. Using this model, specific grinding energy were investigated with changing grinding variables. From the experimental results, the specific grinding energy is analyzed with both maximum undeformed chip thickness and grain size.
이영문(Y. M. Lee),최원식(W. S. Choi),손재환(J. H. Son),배대원(D. W. Bae),손성필(S. P. Son),황근식(K. S. Hwang) 한국생산제조학회 2007 한국생산제조학회지 Vol.16 No.2
In order to estimate the maximum undeformed chip thickness in grinding operation, it is necessary to obtain the successive cutting point spacing. In the past it was obtained by experiments. In this paper, the average successive cutting point spacing has been obtained using the given grinding input conditions and it is possible to estimate the maximum undeformed chip thickness without using any experimentally obtained data. The validity of the proposed analysis has been verified based on two sets of grinding scratch tests using WA and CBN grinding wheels.
이영문(Y. M. Lee),손재환(J. H. Son),정연철(Y. C. Jeong),배대원(D. W. Bae),손성필(S. P. Son) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
In order to calculate the maximum undeformed chip thickness in grinding operation, it is necessary to estimate the successive cutting point spacing. In the past it is obtained by experiments. In this paper, the average successive cutting point spacing has been estimated using the given grinding input conditions.
이영문(Y. M. Lee),배대원(D. W. Bae),손성필(S. P. Son),황근식(K. S. Hwang),박건우(K. W. Park),엄일섭(I. S. Eom) 한국생산제조학회 2006 한국공작기계학회 춘계학술대회논문집 Vol.2006 No.-
In order to determine the maximum undefonned chip thickness in grinding operation, the average successive cutting point spacing has been estimated using the given grinding input conditions. The validity of the proposed analysis has been verified by grinding scratch tests. Hardened SID11 steel has been ground using different sizes of grain. Specific energy consumed decreases with increase of the maximum undefonned chip thickness. Under the conditions yielding the same value of the maximum undeformed chip thickness, however, more specific energy was consumed with larger grain size.
연삭가공 시 Material balance에 의한 최대미변형칩두께의 추산
이영문(Y. M. Lee),배대원(D. W. Bae),손성필(S. P. Son),황근식(K. S. Hwang),박건우(K. W. Park) 한국생산제조학회 2006 한국생산제조시스템학회 학술발표대회 논문집 Vol.2006 No.5
In grinding processes, the maximum undeformed chip thickness is one of the most important parameters as in machining processes. Conventionally, in order to estimate the maximum undeformed chip thickness in grinding operation, it is necessary to obtain the successive cutting point spacing by experiments. Based on the material balance using average grain model, it is possible to estimate the maximum undeformed chip thickness without using any experimentally obtained data. The validity of the proposed analysis has been verified based on two sets of grinding scratch tests using W A and CBN grinding wheels.
연삭가공 시 Material balance에 의한 최대미변형칩두께의 추산
이영문(Y. M. Lee),배대원(D. W. Bae),손성필(S. P. Son),황근식(K. S. Hwang),박건우(K. W. Park) 한국생산제조학회 2006 한국공작기계학회 춘계학술대회논문집 Vol.2006 No.-
In grinding processes, the maximum undeformed chip thickness is one of the most important parameters as in machining processes. Conventionally, in order to estimate the maximum undeformed chip thickness in grinding operation, it is necessary to obtain the successive cutting point spacing by experiments. Based on the material balance using average grain model, it is possible to estimate the maximum undeformed chip thickness without using any experimentally obtained data. The validity of the proposed analysis has been verified based on two sets of grinding scratch tests using W A and CBN grinding wheels.
이영문(Y. M. Lee),배대원(D. W. Bae),손성필(S. P. Son),황근식(K. S. Hwang),박건우(K. W. Park),엄일섭(I. S. Eom) 한국생산제조학회 2006 한국생산제조시스템학회 학술발표대회 논문집 Vol.2006 No.5
In order to determine the maximum undefonned chip thickness in grinding operation, the average successive cutting point spacing has been estimated using the given grinding input conditions. The validity of the proposed analysis has been verified by grinding scratch tests. Hardened SID11 steel has been ground using different sizes of grain. Specific energy consumed decreases with increase of the maximum undefonned chip thickness. Under the conditions yielding the same value of the maximum undeformed chip thickness, however, more specific energy was consumed with larger grain size.
이영문(Y. M. Lee),배대원(D. W. Bae),이현구(H. G. Lee),장준호(J. H. Jang),황근식(K. S. Hwang),손성필(S. P. Son) 한국정밀공학회 2005 한국정밀공학회 학술발표대회 논문집 Vol.2005 No.10월
As a new approach to analyze grinding energy, this paper introduces a specific grinding energy model based on the average grain. Using this model, grinding characteristics such as specific grinding energy of SM45C were investigated with changing variables such as grain size of CBN, workpiece velocity(v) and apparent depth of cut(Z) in down-surface grinding. From the experimental results, the specific grinding energy decreases as the maximum undeformed chip thickness increases.
이현구(H.G. Lee),이영문(Y.M. Lee),배대원(D.W. Bae),장준호(J.H. Jang),황근식(K.S. Hwang),손성필(S.P. Son) 한국생산제조학회 2005 한국생산제조시스템학회 학술발표대회 논문집 Vol.2005 No.10
As a new approach to analyze grinding energy, this paper introduces a specific grinding energy model based on the average grain. Using this model, grinding characteristics such as specific grinding energy of hardened SM45C steel were investigated with changing variables such as grain size, workpiece velocity( v) and apparent depth of cut(Z) in down-surface grinding. From the experimental results, the specific grinding energy decreases as the maximum undeformed chip thickness increases.