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1.发明授权公开(公告)号：US11307015B2
公开(公告)日：2022-04-19
申请号：US16604037
申请日：2018-09-12
发明人： Qingchao Sun , Xin Liu , Yichao Gao , Yunlong Wang
IPC分类号： G01B5/20
摘要： A method for calculating eccentricity of rotor assembly axis based on radial runout measurement comprises matrix characterization of data and calculation of relative runout value at each point, establishment of a spring equivalent model and calculation of contact force, eccentric direction and magnitude; calculation of relative runout value; establishment of a spring equivalent model to analyze the relationship between force and displacement in each phase of a contact process, and then an uneven contact force at each point is obtained; and determination of eccentricity is to determine the magnitude of eccentricity. Based on the measured radial runout data in production practice, this method realizes the prediction of eccentricity of axis before assembly, improves the coaxiality of rotors after assembly, and has important practical guiding significance for axis prediction as well as assembly phase adjustment and optimization in the assembly process of aero-engine rotor pieces.
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2.发明授权公开(公告)号：US11093582B2
公开(公告)日：2021-08-17
申请号：US16652838
申请日：2018-09-12
发明人： Qingchao Sun , Xin Liu , Yichao Gao , Yunlong Wang
IPC分类号： G06F17/16
摘要： A method for calculating axis deviation of rotor assembly based on end face runout measurement comprises three parts: calculation of three contact points, a triangle judgment criterion and a homogeneous coordinate transformation algorithm of a deviation matrix. Based on the measured end face runout data in production practice, the method realizes the prediction of axis deviation before assembly, improves the concentricity of rotors after assembly, also greatly increases the one-time acceptance rate of assembly and has important practical guiding significance for axis prediction as well as assembly phase adjustment and optimization in the assembly process of aero-engine rotor pieces.
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