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5-Head Router Machine용 2면 구속 공구시스템 설계를 위한 선행 연구
백효정(Hyo Jeong Baek),옥주선(Ju-Seon Oak),최운집(Un-Jip Choi),성승학(Seung Hak Seong) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.11
As part of development of the 5-head router machine, design of a tooling system has been studied. As a preliminary study, various types of tool holding systems are investigated and analysed. The machine under development is designed to pursue high productivity and high precision. As a result, it requires multiple heads and high speed spindle. For the high speed design, it is important to prevent an elastic deformation by the high speed, which may be significant at the end of spindle. The deformation causes inaccurate fitting and vibrations which directly affect the precision of machining and overall performance of the machine. For the high speed design the two-face-contact tooling system such as HSK type is considered. A BT type which has one-face contact and been traditionally used is compared with the HSK type by numerical calculations of the deformation. It is found the two-face-contact system has better performance with respect to the reduction of deformation. Also important design factors to improve performance of tool holder are identified which include clamping force, contact area, taper angle etc.
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