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미세절삭력 측정을 위한 다이아몬드 Tool Holder 설계
정상화,김상석,도철진,김건희,유병주 한국공작기계학회 2000 한국공작기계학회 추계학술대회논문집 Vol.2000 No.-
A tool holder system has been designed to measure cutting forces in diamond turning. This system includes a 3-component piezo-electric tranducer. In this research, tool holder system is modeled by considering the element dividing, material properties, and boundary conditions using MSC/PATRAN. Mode and frequency analysis of structure is simulated by MSC/NASTRAN, for the purpose of developing the effective design. In addition, tool holder system is verified by vibration test using accelerometer. This system will aid to the development of Fast Tool Servo (FTS)
유한요소 모델링을 이용한 틸팅터릿 시스템의 진동특성해석
정상화,김재열,김상석,나윤철 한국공작기계학회 2001 한국생산제조학회지 Vol.10 No.5
In multi-purpose lathe, the design of tilting turret slide system has an important and critical role to enhance accuracy of the machining process. Tilting turret unit is traveled by 3-axis slide systems. There is need to design this part very carefully. In this research, 3-axis sliding system with tilting turret unit is modeled by considering the element dividing, material proprties, and boundary conditions with PATRAN. Normal mode and frequency analysis of each structures such as saddle, careg, and turret are simulated by NASTRAN, for the purpose of developing the effective design. The results of mode analysis and frequency analysis are visualized with PATRAN, and the design mothod which can solve the resomance problem by eigenvalues and eigenvectors of each axis is developed as well.