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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 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.
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.
황영국(Young-Kug Hwang),정원지(Won-Jee Chung),이춘만(Choon-Man Lee) 한국생산제조학회 2007 한국생산제조학회지 Vol.16 No.1
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 and 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 analysis 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 speed. From the finite element results, it is shown that the rotational speed and clamping force mostly influence on the variation of the static stiffness in the main spindle interface.
목형의 엔드 밀링시 절삭조건에 따른 가공 특성에 관한 연구
김성일,김종택,김민호,신형곤,김태영 한국공작기계학회 2006 한국공작기계학회 추계학술대회논문집 Vol.2006 No.-
The cutting tests of wood patterns are carried out using CNC milling machine. The cutting forces and surface characteristics of machined surface are investigated at various cutting conditions such as spindle speed, feed speed, cutting direction of wood pattern and wood material. In the CNC end-milling, the surface roughness increases as feed speed increases and decreases as spindle speed increases. However, the cutting force and surface roughness are different along the cutting direction and material of wood pattern.
목형제작용 목재의 밀링 가공시 절삭조건에 따른 표면상태에 관한 연구(Ⅰ)
김성일(Seong Il Kim) 한국생산제조학회 2006 한국생산제조시스템학회 학술발표대회 논문집 Vol.2006 No.5
The cutting tests of wood were carried out using MCT(Machining Center). The surface roughness(Ra, Rmax) and surface characteristics of machined surface are investigated at various cutting conditions such as spindle speed, feed speed and cutting direction. In the CNC end-milling, the surface roughness increases as feed speed increases and decreases as spindle speed increases. However, the burr has occurred in case of end point in milling of wood.
목형제작용 목재의 밀링 가공시 절삭조건에 따른 표면상태에 관한 연구(Ⅰ)
김성일(Seong Il Kim) 한국생산제조학회 2006 한국공작기계학회 춘계학술대회논문집 Vol.2006 No.-
The cutting tests of wood were carried out using MCT(Machining Center). The surface roughness(Ra, Rmax) and surface characteristics of machined surface are investigated at various cutting conditions such as spindle speed, feed speed and cutting direction. In the CNC end-milling, the surface roughness increases as feed speed increases and decreases as spindle speed increases. However, the burr has occurred in case of end point in milling of wood.