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X-Y 테이블에 사용되는 볼 스크류의 열팽창 억제에 관한 연구
전언찬,이승수,김민주,곽창식,장성규,한근조,김중완,박홍식,전태옥,박정보 동아대학교 공과대학부설 생산기술연구소 1997 生産技術硏究所硏究論文集 Vol.2 No.2
In this paper, we have studied about the thermal expansion of the ball screw used for the X-Y table. The hollow ball type is used for the vall screw. We have compared the conventional cooling system and function with the improved cooling system and function which is developed the path providing cooling oil in hollow ball screw. That is, the temperature variation and positioning accuracy are analyzed of the ball screw. We have obtained the following result through this experiment. 1) The improved cooling system of the hollow ball screw for X-Y table was developed. 2) The improved cooling system of the hollow ball screw has a large effectiveness on restraining the thermal expansion of the ball screw. 3) The positioning accuracy of the ball screw was improved about 2∼4㎛ using temperature-controlled colling oil.