以ELID电解原理为基础,结合超声振动辅助磨削过程中单颗磨粒的运动学分析,建立了超声ELID复合磨削条件下的磨削力数学解析模型,并对模型进行了分析和仿真.对模型的分析表明:超声振动改变了磨粒的运动轨迹,使同等条件下的未变形切屑厚度减小,砂轮的在线电解修整使磨粒始终处于锋锐状态,而且影响砂轮的实际切削深度,进而对磨削力产生影响.磨削力随着超声振动频率、振幅、电解电压、脉冲比、电解液电阻率的增大而减小;随着切削深度、工件速度的增大而增大.
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