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선박 엔진 크랭크샤프트 가공용 다기능 5축 복합가공기의 구조설계
최영휴(Y. H. Choi),김실근(S. G. Kim),장성현(S. H. Jang),조용주(Y. J. Jo),하종식(J. S. Ha) 한국생산제조학회 2008 한국생산제조시스템학회 학술발표대회 논문집 Vol.2008 No.5
This paper describes a case study on structural design of a 5-axes multi-tasking machine tool for machining marine engine crankshaft. We carried out static and dynamic structural analysis for several design alternatives of the machine tool by using ANSYS. From the analysis results, we could decide a feasible design candidate. And then we carried out design optimization of the design candidate for light weight and minimum compliance using genetic algorithm. After the prototype machine tool was made, natural frequency and dynamic stiffness of the machine tool structure were obtained by using a experimental modal test and a random excitation test, respectively. The test results showed that the prototype machine tool has sufficient structural stiffness and high natural frequency.
선박 엔진 크랭크샤프트 가공용 다기능 5축 복합가공기의 구조설계
최영휴,김실근,장성현,조용주,하종식 한국공작기계학회 2008 한국공작기계학회 춘계학술대회논문집 Vol.2008 No.-
This paper describes a case study on structural design of a 5-axes multi-tasking machine tool for machining marine engine crankshaft. We carried out static and dynamic structural analysis for several design alternatives of the machine tool by using ANSYS. From the analysis results, we could decide a feasible design candidate. And then we carried out design optimization of the design candidate for light weight and minimum compliance using genetic algorithm. After the prototype machine tool was made, natural frequency and dynamic stiffness of the machine tool structure were obtained by using a experimental modal test and a random excitation test, respectively. The test results showed that the prototype machine tool has sufficient structural stiffness and high natural frequency.