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作 者:KIM Chang-hyun CHOI Heung-soap KWON Soon-man
机构地区:[1]Department of Mechanical Design and Manufacturing Engineering,Changwon National University,Changwon 641-773,Korea [2]Department of Mechano-Informatics and Design Engineering,Hongik University,Sejong 339-701,Korea
出 处:《Journal of Central South University》2012年第12期3454-3459,共6页中南大学学报(英文版)
基 金:Research financially supported by Changwon National University in 2011-2012,Korea
摘 要:A roller rack pinion(RRP)system,which consists of a rack-bar and a cam pinion,transforms a rotation motion into linear motion.The rack-bar has a series of roller train and meshes with the cam pinion.First,the exact tooth profile of the cam pinion and the non-undercut condition to satisfy the required performance have been proposed with the introduction of the profile shift coefficient.Then,the load stress factors are investigated under the variation of the shape design parameters to predict the gear surface fatigue limit which is strongly related to the gear noise and vibration at the contact patch.The results show that the pitting life can be extended significantly with the increase of the profile shift coefficient.A roller rack pinion (RRP) system, which consists of a rack-bar and a cam pinion, transforms a rotation motion into linear motion. The rack-bar has a series of roller train and meshes with the cam pinion. First, the exact tooth profile of the cam pinion and the non-undercut condition to satisfy the required performance have been proposed with the introduction of the profile shift coefficient. Then, the load stress factors are investigated under the variation of the shape design parameters to predict the gear surface fatigue limit which is strongly related to the gear noise and vibration at the contact patch. The results show that the pitting life can be extended significantly with the increase of the profile shift coefficient.
关 键 词:roller rack pinion profile shift coefficient load stress factor pitting life
分 类 号:TH132.41[机械工程—机械制造及自动化] O346.2[理学—固体力学]
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