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《China Mechanical Engineering》 2016-24
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Study on Electrode Wire Wear during WEDM Processes by PDC

Teng Kai;Sun Tao;Zhao Enlan;He Min;Xuzhou Institute of Technology;Nanjing University of Aeronautics and Astronautics;  
The authors carried out the wire cutting machining experiments of PDC using WEDM,and observed the surface micro morphology of wire electrode with the SEM which might analyze the energy spectrum.The electrode wire wear mechanism of PDC ultra hard material was studied from the microscopic points of view,and the influences of the electrical parameters and the conditions of the washing liquid on the wire wear were discussed.It is found that the attached type high pressure liquid spraying mode,in the processing conditions of high voltage,small pulse width,high peak current,PDC cutting efficiency is as 19.35 mm~2/min,the electrode wire wear is as 1.5~2μm(for 10~4 mm~2 cutting volume).The cutting efficiency is increased by 51.6%compared with the normal pressure liquid injection method,and the reduction of the wire wear by 15.2%.
【Fund】: 国家自然科学基金资助项目(51401177);; 江苏省高校自然科学基金资助项目(15KJB460016)
【CateGory Index】: TG484
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