| Because of the advantages of its high strength, smooth transmission, high efficiency,strong bearing capacity and low noise, the spiral bevel gears are widely used in advancedcar, train, aerospace, petroleum, chemical, and many other fields. Its mesh performanceaffects the life of the gear pair and the quality of work The article uses tools such asVisual C++, Pro/E and ANSYS to analyze its accurate and fast3d modeling method anddynamic meshing. The main research content is as follows:Accurate three-dimensional model is the premise for meshing simulation analysis.To achieve its accurate3d parametric model which contains tooth root fillet, this subjectanalyses spiral bevel gear’s processing and meshing principle and deduces the equationof spherical involute. Then uses Pro/Toolkit for its secondary development Designers justinput the interface’s basic parameters can complete3D modeling.The static calculation model which is based on surface-surface contact algorithm ofANSYS is established. The spiral bevel gear’s static analysis cloud through scanningmeshing, boundary conditions and loading method is obtained. Then compare the resultsbetween analysis value and theoretical calculation value, the error is2.21%.In view of its mechanical vibration may occur under the action of external incentives,using finite element software to complete the whole pair of gear model for modal analysis.Research mainly focus on the natural frequency and the main formation of the gear, andanalyzing its vibration form to get the main vibration form.Tooth surface stress and strain’s changing of the whole process is got through thespiral bevel gear’s dynamic meshing analysis which is based on ANSYS/LS-DYNA.Also, the change curve of effective stress at different parts of the same gear could beobtained. The theory analysis of the calculation results is proceeded.This topic research provides a strong theoretical basis for the design, processing andengineering application of spiral bevel gear.Figure46；Table6；Reference54... |
PDF Full Text Request