The Development Of The EDM Aided Design And Processing Simulation System

EDM is the abbreviation of electrical discharge machining, which is a method to process material by the phenomenon of corrupt when electrical discharge happening. Due to its specialty of non-contact process and adapt to process high melting point, high rigidity, high intensity material, it is widely used in the mould and motor industry.However, it is also face the problem of low efficiency to the design of electrode in practice application. The fatal problem is to acquire better quality of the process surface, it is usually used electrode orbiting in process, thus induce the processed cavity dimension departure the design aim. Base on the vary kind of orbiting, the compensation is sometimes non-uniform, hereby, the electrode should be non-uniform compensated. The difficulty to this kind compensation brings on the greatly reducing in the electrode design.On the other hand, after completed the electrode design, the designer usually cannot estimate the electrode can process the correct cavity or not unless to do the practice process on the EDM machine tool. Perspicuously, it is unworthy.UG is a powerful 3D mechanical design software with CAD/CAM/CAE function. It has two secondary exploit languages(UG/Open GRIP,UG/Open API)and two assistant exploit part(UG/Open MenuScript,UG/Open UIstyler). UG/Open API has its advantages like multi-function, easy to use, high reliability and high efficiency. By the integration with UG, it will enlarge and expand the function of UGThe EDM aided design and process simulation system has function as 2D and 3D model file import, select the closed loop of 2D lines, electrode and mould modeling, 2D non-uniform compensation of electrode, including circle orbiting, square orbiting, vector orbiting and ball orbiting, EDM process simulation, including circle orbiting, square orbiting, barrel orbiting and vector orbiting, to do the compensation of 3D ball and circle to the electrode, export 2D part file.By the practice use and examination, the system efficiently reduces the labor of electrodecompensation, and thus reduces the cost of production.