| The information age makes the world continues to move toward intelligent society.The realization of electrification is the basis of intelligence.The realization of electrification is the basis of intelligence.As the executive element of the control system,the motor is an important part of industrial development.Due to the advancement of industry,ordinary motors are becoming more and more difficult to meet the needs of the industrial society and information society,and the demand for high power density motors continues to rise.Lightweight technology is an effective way to make motors achieve high power density.The main research content of this subject is the lightweight technology application of permanent magnet torque motors for small and medium-sized turntables with torque as the main source of stress.In this paper,the theoretical basis of the application of lightweight technology for permanent magnet torque motors is studied,and the motor casing,stator,permanent magnet,rotor yoke and other components are analyzed and qualitatively analyzed,and combined with the common permanent magnet torque motors Further specific analysis and calculations have been carried out on the application occasions and environment.The relationship between its various parameters and constraints such as electromagnetic torque,torque ripple,and fatigue life are clarified.The lightweight design method of permanent magnet torque motor under the condition of unchanged electromagnetic performance is studied.Through the finite element simulation calculation,the permanent magnet torque motor is optimized on the basis of the original topology,and then its topology is further improved,the design of the new topology is completed,and the strength is checked.Based on the verification of material mechanical properties such as deformation,fatigue life,etc.,the housing and flange of the permanent magnet torque motor housing are optimized,and the housings of various topologies are optimized through finite element simulation calculations.,Comparison,and finally determined the best topology for permanent magnet torque motors.Finally,this article systematically studies the value of the lightweight technology of soft magnetic materials with high saturation magnetic density and new magnetic field structure motors using Halbach permanent magnets.Through the finite element simulation calculation method,the permanent magnet torque motor made of new materials and the rotor magnetic circuit composed of Halbach permanent magnets is optimized.Finally,the two new types of motors are compared with the traditional motors,and the best results are obtained.Excellent conclusion... |