Transmission model of higher-order elliptical bevel gearing and motion simulation for interference checking |
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| Authors: | LIN Chao HOU Yu-jie RAN Xiao-hu LIU Gang QIU Hua RUAN Xiao-yong |
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| Affiliation: | State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing 400044,P.R. China;State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing 400044,P.R. China;State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing 400044,P.R. China;State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing 400044,P.R. China;State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing 400044,P.R. China;State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing 400044,P.R. China |
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| Abstract: | Higher-order elliptical bevel gear is a typical form of the noncircular bevel gear transmission.Space spherical coordinate system of the bevel gear meshing is set up based on the meshing theory of space transmission.The varying relationship among the pitch curve,tooth profile and mesh lines are analyzed,and the equation of the gear tooth surface is developed with matrix method based on space coordinate transformation.The basic parameters of the noncircular bevel gear such as transmission ratio,modulus and the number of teeth are designed,and detailed analysis of the influence of the eccentricity on the relevant parameters is carried out as well.By using discrete numerical method and three-dimensional software,the mathematical model of the tooth profile and virtual physical model of the noncircular bevel gear are established,and then simulation on its motion and interference checking are performed.Finally,the approach for design,calculation and generation of the tooth profile is obtained and its correction has been verified by experiment. |
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| Keywords: | gear noncircular bevel gear tooth profile numerical method |
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