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Xigui Wang,Yongmei Wang,Yixiang Liu,Xinbo Zhang,Dayu Zheng 대한기계학회 2018 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.32 No.7
The minimum of tooth surface flash temperature and vibration acceleration RMS design is proposed and analyzed. The tooth contact analysis (TCA) and the load tooth contact analysis (LTCA) method and multi-objective optimization are also detailed. Satisfying design variables in multiple physical quantities leads to the minimum of multi-objective optimization. Considering the tooth surface loading conditions are uniform or not, the optimal modification of the tooth surface for improving gear comprehensive characteristics under various load bearing conditions is improved. The tooth surface flash temperature and vibration acceleration root mean square (RMS) values in different transmission modes of marine ship power rear gears drive system are derived. This research considers the multi-objective optimization modifications of tooth surface, and its main purpose is to propose an approach to help design tooth corrections to simultaneously optimize several objective physical quantities.
Analysis and research on teeth thermodynamic coupling contact of gear transmission system
Wang, Xigui,Wang, Yongmei,Zhao, Xuezeng,Li, Xinglin Techno-Press 2015 Coupled systems mechanics Vol.4 No.3
In the gear meshing process, gear temperature field concerns the meshing surface friction, the friction heat depends on the contact pressure, the contact pressure is affected by the elastic deformation of gears and the temperature field caused by the thermal deformation, so the temperature field, stress field and displacement field should be mutual coupling. It is necessary to consider in meshing gear pair in the operation process of thermodynamic coupling contact stress (TCCS) and thermodynamic coupling deformation (TCD), and based on thermodynamic coupling analysis (TCA) of gear teeth deformation.
Study on super-harmonic resonance for gear transmission based on teeth surface friction
Xigui Wang,Yongmei Wang,Xuezeng Zhao,Xinglin Li 대한기계학회 2015 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.29 No.11
Gear backlash and time-varying nonlinear meshing stiffness are the key design attributes of modern warship planetary gear transmission. The transmission prominent concern is teeth surface friction dynamics affect behavior and way. Therefore, the change of directionin meshing process, teeth surface friction will generate a larger oscillation, excitation response and energy consumption ways to affectdynamic characteristics of planetary gear transmission, which makes response range, dynamic behaviors more complex. Gear model andmulti scale equations for transmission are established, analyzing incentive role teeth surface friction when considering dynamic and staticload on influence law of gear resonance frequency response.
TEM fitting considering TEPs of contact interface of meshing gear
Xigui Wang,Siyuan An,Yongmei Wang,Jiafu Ruan,ShuE Ji 대한기계학회 2021 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.35 No.10
This topic aims to clarify the method of optimizing tooth surface modification (TSM) fitting under thermoelastic lubrication (TEL) conditions to reveal the most popular and concerning mechanism issues in mechanical engineering. A traditional TSM numerical method has played an increasingly important role in our basic understanding of thermoelastic properties (TEPs) under TEL conditions, which is undoubtedly affirmative and effective. This subject involves the TSM fitting of the theoretical tooth surface superimposed structure, and performs 3D and diagonal modification optimization design, obtains the modified surface position and normal vectors, a variety of optimized modification models are established and complex curved surfaces are analyzed to fit the actual Interface thermoelastic contact numerical simulation, which has been further demonstrated and expressed in actual key working conditions and multiple influencing parameters, thereby reducing transmission error and vibration noise in order to improve gear meshing thermoelastic anti-scuffing load-bearing performance (TEASLBP).