A new technology of composite micromachining of laser and electrolysis is presented through a combination of technological\nadvantages of laser processing and electrolyticmachining. The implication of its method is that laser processing efficiently removes\nmetallic materials and that pulse electrolyticmachining removes recast layer and controls shape precisely.Machining accuracy and\nefficiency can be improved.Theimpacts that electrolyte fluid effectively cools the microstructure edge in the laser machining process\nand that gas-liquid two-phase flow makes the electrolyte conductivity produce uneven distribution in the electrolytic processing\nare considered. Some approximate assumptions are proposed on the actual conditions of machining process. The mathematical\nmodel of composite micromachining of laser and electrolysis based on the electrolyte fluid is built. The validity of the model can\nbe verified by experimentation. The experimental results show that processing accuracy meets accuracy requirements which are\n�±0.05 mm. Machining efficiency increases more than 20 percent compared to electrolytic processing.
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