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High Lead Ball Screw를 사용한 고속이송계의 특성
고해주,박성호,정윤교 한국공작기계학회 2001 한국생산제조학회지 Vol.10 No.4
The study on the high-speed machine tool is very important for the improvement of productivity since it can shortens cutting and non-cutting time. Especially, high speed of feed drive system is the major research field. In the industries of the advanced countries, the feed drive systems at the speed of 60 m/min have been already developed based on the high lead ball screws. In this study, a high speed feed drive system at the speed of 60 m/min has been developed, and its movement characteris-tics arc investigated. As the movement characteristics, positioning accuracy, angular accuracy, straightness and micro step response are measured. Thermal characteristics of the system is also discussed. For measuring the movement characteris-tics, a laser interferometer, a memory-based Hi-coder and a cooling device are used. The experimental results confirm that the movement characteristics and the thermal behavior of the system are satisfactory in the aspect of accuracy and stability.