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정선환,최성대,권현규,최언돈,손재률,Cheong, Seon-Hwan,Choi, Seong-Dae,Kweon, Hyun-Kyu,Choi, Un-Don,Shon, Jae-Yool 한국기계가공학회 2003 한국기계가공학회지 Vol.2 No.3
Recently, the field of the engineering has been studied about optimum design continuously. Verified data by comparison with simulation and dynamic characteristic analysis enables the design of a machine tool to be modified easily and effectively concerning to the mode shape of the vibration. Especially, BC-500 Line Center has got some problems causing vibration which mainly come from Column and ATC part. So it is necessary to solve those problems by the two kinds of method such as changing structural design and reinforcing with ribs. In this paper, column and ATC part of BC-500 Line center are modified by an optimum design by the analysing method of FEM to avoid vibration. As a result, a more stable machine tool was designed by this simulation as optimum condition.
정선환,최성대,권현규,손재률,Cheong, Seon-Hwan,Choi, Seong-Dae,Kweon, Hyun-Kyu,Shon, Jae-Yool 한국기계가공학회 2003 한국기계가공학회지 Vol.2 No.2
Recently, the machine tools have been needed for high speed and accuracy to increase productivity. The most Important thing to get a more stabilized machine is to know the frequency response which has an effect on manufacture a lot. This problem should be considered seriously by many researchers. There are many application programs about FEM but Just using FEM program to get information of the object is not enough to put our confidence in the stability of the machine tool design. Therefore, the purpose of this research is to make a study for proving one of the ways to design to produce stabilized a machine more efficiently by comparing FRT method and FEM. At these two tests, we can learn about the frequency response area causing resonance and we can reconfirm the result to trust.