건식 무단변속기 구동풀리의 롤러마모에 대한 연구
A Study on the Roller Wear of a Dry CVT Driving Pulley
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초록
Dry CVT(Continuously variable transmission) consists of a driving pulley and a driven pulley joined by rubber V-belt. Each pulley consists of a fixed flange and a movable flange. The movable flange of the driving pulley has the centrifugal roller and a ramp plate in the flange. The movable flange moves toward a fixed flange under the actuation of a centrifugal roller, as the driving pulley speed increases. The main advantages of the Dry CVT with V-belt, which has been popular in Asia, are a simple mechanism, less maintenance and low cost. The important claim which have an influence on the performance of the Dry CVT is the wear of the centrifugal roller. In this study proposed an improved design of driving pulley reducing the wear of the centrifugal roller in order to provide some design guidelines.
Abstract
Dry CVT(Continuously variable transmission) consists of a driving pulley and a driven pulley joined by rubber V-belt. Each pulley consists of a fixed flange and a movable flange. The movable flange of the driving pulley has the centrifugal roller and a ramp plate in the flange. The movable flange moves toward a fixed flange under the actuation of a centrifugal roller, as the driving pulley speed increases. The main advantages of the Dry CVT with V-belt, which has been popular in Asia, are a simple mechanism, less maintenance and low cost. The important claim which have an influence on the performance of the Dry CVT is the wear of the centrifugal roller. In this study proposed an improved design of driving pulley reducing the wear of the centrifugal roller in order to provide some design guidelines.
참고문헌 (6)
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- Che-Wen HONG, "Modelling and Fuzzy Autopilot Control Simulation of a Motorcycle with CVT", AVEC'96 International Symposium on Advanced Vehicle Control, pp.1071~1086 (1996)
- 김현수, "차량용 고무 및 금속 V-벨트 CVT의 변속비-부하토크-축력특성과 성능비 교", 자동차공학회지, 12(3) (1990)
- 김현수, "V-벨트 CVT의 축력해석(Ⅱ)", 대한기계공학회논문집, 13(5), pp.847~854 (1989)
- 김현수, "차량용 V-벨트 CVT의 벨트 거동 해석", 자동차공학회지, 12(6) (1990)
- Ernest Rabinnowicz, "Friction and Wear of Materials", pp.82~85 (1965), John Wiley & Sons