커넥팅로드용 핀부시의 윤활특성 해석에 관한 연구
A Study on the Oil Lubrication Characteristics of Pin Bush for a Connecting Rod
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In this paper, the hydrodynamic pressure and minimum oil film thickness of a pin bush bearing for a connecting rod have been analyzed as functions of the number of oil grooves and an arc length of oil grooves. The lubrication characteristic of a pin bush is governed by oil groove design factors, which are considered in this study. The most influential design parameter is a number of oil grooves, which is three oil grooves with an arc length of oil groove, 1/6(60°). This means that oil groove with a long arc length of a pin bush does not contribute to the hydrodynamic pressure development. Thus the optimal design of a pin bush is necessary with an increased number of oil grooves and a reduced arc length.
Abstract
In this paper, the hydrodynamic pressure and minimum oil film thickness of a pin bush bearing for a connecting rod have been analyzed as functions of the number of oil grooves and an arc length of oil grooves. The lubrication characteristic of a pin bush is governed by oil groove design factors, which are considered in this study. The most influential design parameter is a number of oil grooves, which is three oil grooves with an arc length of oil groove, 1/6(60°). This means that oil groove with a long arc length of a pin bush does not contribute to the hydrodynamic pressure development. Thus the optimal design of a pin bush is necessary with an increased number of oil grooves and a reduced arc length.
참고문헌 (3)
- 김청균, "내연기관용 무연 핀부싱의 마찰특성에 관한 실험적 연구", 한국윤활학회지, 23(6), pp.301~311 (2007)
- 김청균, "오일점도에 따른 디젤엔진용 핀부시 베어링의 유막거동에 관한 연구", 한국윤활학회지, 24(1), pp.21~26 (2008), 한국윤활학회
- 김청균, "트라이볼로지 Chap. 4", pp.229~232 (2006), 형설출판사