Vibration Noise Analysis And Optimization Of Non-Gear Cylindrical Cam Reducer

With the improvement of China’s manufacturing level,many advanced Reducer devices have emerged in the machinery industry.The Cylindrical Cam non-Gear Reducer is a new type of Reducer,and it is used in lifting machinery,production and processing,aviation and navigation,and high-precision equipment.Good application prospects、Low-vibration noise and smooth transmission Reducer are more popular in the high-tech industry.Therefore,optimizing the vibration reduction and noise reduction of the Cylindrical Cam non-Gear Reducer can improve the dynamic performance of the Cylindrical Cam non-Gear Reducer and increase its market.Competitiveness.In this research,the cylindrical cam non-Gear gear Reducer as the research object,through the establishment of the transmission system dynamics model,Reducer finite element model,acoustic analysis model and multi-objective optimization model,respectively,Cylindrical Cam non-Gear Reducer vibration characteristics,vibration noise distribution,plate acoustic contribution and vibration reduction and noise reduction optimization optimal solution.The main research content of this paper is as follows:(1)Determine the vibration excitation source of the cylindrical cam non-Gear gear Reducer,use the Adams analog drive system to operate,and obtain the load-time data of the vibration excitation source meshing force and the dynamic load of the input and output bearings;the vibration obtained by the dynamics simulation with ANSYS software The excitation source data is the dynamic response analysis of the Cylindrical Cam non-Gear Reducer for the load step,and the vibration characteristic parameters of the Reducer are obtained.Combined with the results of the structural modal analysis,the vibration characteristics of the Cylindrical Cam non-Gear Reducer are summarized.(2)Using Virtual.Lab software to create the acoustic finite element analysis model of the cylindrical cam non-Gear Reducer,taking the dynamic response result as the boundary condition of the vibration noise analysis,and using the acoustic finite element method to solve the Cylindrical Cam non-Gear Reducer at various frequencies Vibration and noise distribution.(3)Establish a structural node-to-sound field point relationship equation through the acoustic transmission vector ATV method,establish the mathematical relationship between the sound pressure and the structural node of the Reducer,use the ATV method to analyze the acoustic contribution of the Cylindrical Cam non-Gear Reducer plate,and solve the Reducer The acoustic contribution of each plate to the total sound pressure at different frequencies is based on the analysis of plate acoustic contribution of a Cylindrical Cam non-Gear Reducer to find plates with larger contribution values,providing direction for multi-objective optimization of vibration reduction and noise reduction.(4)In order to reduce the vibration level of Reducer and reduce the possibility of resonance as the objective function,the plate thickness of the Reducer is used as the design parameter,and the multi-objective optimization analysis model of the Cylindrical Cam non-Gear Reducer is established with the constraint of not reducing the power performance of the Reducer.Using ANSYS optimization module to calculate and obtain the optimal solution,and dynamic response verification analysis of optimized Reducer.