Electrolytic machining is a special processing method based on the principle of anodic dissolution to remove material,which has unique advantage and is widely used in the field of precision machining of micro structure,but has the disadvantage of complex cathode design process.In order to solve the problem of cathode design of array micro-pit structure,a method for designing cathode based on the simulation of electrolytic machining forming process was proposed.A simulation model of the electrolytic machining forming process of array micro-pit was established to analyze the forming law of micro-pit under different processing parameters.Based on the forming law,the appropriate cathode size was selected,and the array micro-pit structure processing test was carried out,and the array micro-pit structure that meets the requirement was successfully processed.
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