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문영재(Yonung-Jae Moon) 산업기술교육훈련학회 2011 산업기술연구논문지 (JITR) Vol.16 No.3
A new interactive computer program for design and examination of automobile transmission gear is developed. The design data of a shifted helical gear sets are calculated and the contact ratio and the strength condition are examined. The involute curve and a root fillet of the designed tooth profile are graphically presented, and the information for tooth profile such as root point, weakest point, etc. are obtained. The whole engaging gear shape and contact state are certificated in Autocad. To check the lubrication conditions, the minimum film thickness is calculated and compared with the surface roughness data. Therefore the computer program made in this paper gives more improved practical tool in designing an automobile gear set.