Studies on the Load Carrying Capacity of a Crosshead-pin Bearing in a Two-stroke Cycle Diesel Engine
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概要
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The lubricating mechanism of a crosshead-pin bearing in a two-stroke cycle diesel engine has been analyzed theoretically and some influencing factors on the bearing performance have been investigated. The calculation method in the present work has been compared with a simplified calculation method suggested by Wakuri. As a result, the following conclusions are obtained. (1) In the clearance bearing, the peak pressure of oil-film in the central pad is very high but those in the other pads are too low to carry the load. (2) A bearing composed of pads which have a large ratio of the oscillating angle to the oil groove pitch angle loses the hydrodynamic load carrying capacity. (3) The maximum value of the oil-film pressure decreases with an increase of the oil viscosity, though its influence is comparatively small. (4) The fitted bearing is suitable for the crosshead-pin bearing since the oil-film pressures are uniform throughout all pads. (5) Wakuri's simplified calculation method overestimates the load carrying capacity.
- 一般社団法人日本機械学会の論文
著者
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Wakuri Yutaro
Faculty Of Engineering Fukuoka University
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Soejima Mitsuhiro
Kyushu Sangyo University
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Soejima Mitsuhiro
Faculty Of Engineering Kyushu Sangyo University
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HAMATAKE Toshiro
Oita University
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HAMATAKE Toshiro
Faculty of Engineering, Oita University
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