Research On EDM Deep And Long Hole Machining Technology Based On Multi-Freedom Of Magnetic Drive

Manufacturing industry can not be substituted in the development of the country,In terms of processing and manufacturing,electric discharge machining has unique advantages in certain places,but its low processing efficiency hinders the development of electric discharge machining technology.Therefore,while maintaining its machining advantages,a multi degree of freedom magnetic drive is used to combine with traditional electric discharge machine tools for machining,and the influence of electrical parameters on the machining process is studied and analyzed.The deep and long hole machining process of electric discharge is optimized,and the efficiency and quality of electric discharge machining are improved through combined machining methods.Firstly,the research background,significance,and purpose of this topic are elaborated,and the current development status of electric discharge machining technology,deep and long hole machining technology,magnetic drive technology,and other domestic and foreign technologies are studied.Conduct a specific analysis of the principle of deep and long hole machining by electric discharge,analyze the four working processes of electric discharge machining,and understand its working principles.Through theoretical research,analyze the relationship between main electrical parameters and single pulse,and further study the relationship between electrical parameters on processing speed,electrode loss,and processing quality.Conduct single pulse discharge simulation experiments,use the software to study the law of electrode surface temperature field changing with time,obtain a cloud map of electrode surface temperature field and time,and draw a curve of electrode surface temperature field and time change when the heat source is loaded and removed.At the same time,Conduct univariate simulation experiments to study the relationship between peak current,pulse width,and electrode surface temperature,as well as the relationship between electrode surface temperature and machining.Composition of an electric spark experimental system based on a multi degree of freedom magnetic actuator.Introduce the structural composition of the electromagnetic actuator through models and physical objects,and analyze its working principle.By using simulation software to study the relationship between electromagnetic force and current,a radial force and axial force micro motion platform is designed,By using simulation software to study the relationship between electromagnetic force and current,a micro motion platform is built,and a comparative analysis between simulation and experiment is conducted.Through comparative analysis,it is known that the performance of the driver is stable and meets the processing requirements.On the basis of the principle of experimental control system,establish a testing systemConclusively,single factor and orthogonal experiments were used to discuss the relationship between deep and long hole machining by electric discharge and electrical parameters,and to analyze the machining process of deep and long hole machining by electric discharge.By comparing the experimental results with traditional electric discharge machining and comparing the changes in the morphology of the tool electrode surface,the relationship between processing depth and time,and the micro morphology of the part processing area during the machining process,it was found that the magnetic driver assisted electric discharge machining method increased the machining speed and productivity by up to10%,reduced electrode loss,increased the machining quality of the workpiece,and explored a new deep and long hole machining process new method.