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주축회전수 및 절삭력 변화에 따른 주축 인터페이스부 정강성 변화에 관한 연구
황영국(Young-Kug Hwang),정원지(Won-Jee Chung),조영덕(Young-Dug Cho),이춘만(Choon-Man Lee) 한국생산제조학회 2005 한국공작기계학회 추계학술대회논문집 Vol.2005 No.-
High speed machining has become the main issue of metal cutting. Due to increase of the rotational speed of the spindle, problems, such as the run-out errors, reduced stiffness, must be overcome to improve the machining accuracy. In order to solve the problems, it is important to determine the appropriate clamping unit and tooling system. This paper presents an investigation into an evolution of static stiffness in the main spindle interface. Finite element analysis is performed by using a commercial code ANSYS according to variation of cutting force, clamping force and rotational speeds. From the finite element results, it has been shown that the rotational speed and clamping force mostly influence on the variation of the static stiffness in the main spindle interface.
주축회전수 및 절삭력 변화에 따른 주축 인터페이스부 정강성 변화에 관한 연구
황영국(Young-Kug Hwang),정원지(Won-Jee Chung),조영덕(Young-Dug Cho),이춘만(Choon-Man Lee) 한국생산제조학회 2005 한국생산제조시스템학회 학술발표대회 논문집 Vol.2005 No.10
High speed machining has become the main issue of metal cutting. Due to increase of the rotational speed of the spindle, problems, such as the run-out errors, reduced stiffness, must be overcome to improve the machining accuracy. In order to solve the problems, it is important to determine the appropriate clamping unit and tooling system. This paper presents an investigation into an evolution of static stiffness in the main spindle interface. Finite element analysis is performed by using a commercial code ANSYS according to variation of cutting force, clamping force and rotational speeds. From the finite element results, it has been shown that the rotational speed and clamping force mostly influence on the variation of the static stiffness in the main spindle interface.