Contour Spiral Bevel Gear Milling Cutter Head Establishment Of Mathematical Model For Welding Deformation And Its Numerical Simulation

With the continuous advancement of Industry 4.0 and Made in China 2025,the requirements of various industries for mechanical products are getting higher and higher.Good stability,high precision and superior performance products are the direction of development today and in the future.Contour tooth bevel gear system and bevel gear transmission system have the advantages of stable transmission,reduced impact force and transmission noise,etc.,and are widely used.Contour tooth arc bevel gear milling cutter(milling cutter)is one of the sophisticated tools.There are two main methods for machining the milling cutter: integral and welding.In order to reduce the welding deformation and achieve the accuracy of the welding process of the milling cutter disk,the following research was carried out.The main research contents are as follows:First,establish a mathematical model of welding,and determine the welding temperature field and heat source according to the welding situation.According to the determined parameter conditions,the temperature distribution on the milling cutter disk after welding is obtained.The welding temperature field and the superposition principle are used to establish a mathematical model of welding.At the next welding position,the optimized welding sequence is finally obtained.Secondly,from the perspective of a system design that optimizes the welding sequence,the numerical simulation of the welding stress field and deformation process of the arc tooth bevel gear milling cutter with constant height is performed.According to the application of Simufact.Welding,the numerical simulation of the welding temperature field of the milling cutter disk is carried out,and the physical characteristics of the welding material of the milling cutter disk change with temperature and other factors are taken into account.Cloud chart,etc.,and analyze the numerical simulation results.Finally,the welding test is performed on the base material of the milling cutter disk,the test scheme is designed,and the rationality of the test scheme is judged.After the best welding parameters are obtained,the automatic welding experiment is performed on the milling cutter disk.By detecting the amount of deformation of the welding milling cutter disk,it is verified that the optimized welding sequence can achieve the purpose of reducing welding deformation,proving the accuracy and reliability of the simulation data,and the installation and qualification inspection of the cutter bar.The accuracy is guaranteed.