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NC Combined Electrical Machining is a CNC the electrolytic machining and CNC EDM processing organic combination of new technology , not only has a high efficiency of electrochemical machining NC , CNC EDM , high-precision , high stability , making the technology the closed integral impeller machining played a unique role , increasingly applied to the impeller machining complex surface , closed structure . Critical process which CNC electrochemical machining to improve the closed overall the impeller combination of electric processing processing efficiency , reduce production costs . Closed integral impeller with a certain type of three-dimensional flow study conducted CNC Experimental study of the electrolytic process , specific studies are as follows : 1) through three-dimensional modeling of the overall three-dimensional flow closed impeller , its leaves between airflow channel analysis , multi - cathode combination of CNC electrolytic processing program , designed in accordance with this program , the cathode and its trajectory . 2 ) the electrolytic machining simulation tools , process simulation , test the cathodic surface and its trajectory to meet the design requirements , the process produces interference . Electrolytic process simulation of the cathode and its trajectory correction reduced the number of iterations of the test , to shorten the process time to prepare . 3) through a series of experiments preferred processing parameters on the surface of the cathode-type optimized to match the actual processing of the application . Proposed processing technology on the wheel blank for process test problems , pre- holes , and to improve the flow field . The final completion of the overall three-dimensional flow closed impeller NC electrolytic pre- processing .
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