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    In the electrical discharge machining wire cutting technology, the working fluid plays a crucial role. It not only has the functions of insulation and discharge channel compression, enabling the discharge channel to be confined within a smaller radius for spark discharge after breakdown, but also provides cooling effects to prevent the electrode wire from burning and the work surface from local annealing. Additionally, the working fluid’s functions of chip removal and washing help maintain a clean machining area, while its rust prevention and lubrication properties reduce electrode wire wear. 

    Common types of working fluids include emusions, deionized water, and water-based fluids. The propper selection of working fluid can not only improve machining efficiency and quality but also extend the service life of equipment and create a safer and more environmentally friendly working environment.