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超声振动珩磨技术

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2022-01-06 01:28

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超声珩磨加工是利用表面微细沟槽自成机理的精密加工，是在加工表面上制造网纹的加工方法。表面微细沟槽自成机理是使所用的砂轮、磨粒在其运动轨迹上交错分布，或在与运动轨迹方向垂直或倾斜的方向上交替运动，就能连续地形成凸凹面，在形成过程中工件受到脉冲力切削力作用，砂轮和磨粒则受到脉冲切削抗力的作用。与相同切削深度切削平坦部分的正常切削相比，相对净切削时间减少，从而其主切削力、吃刀抗力大大降低，并且其振动系统构成了不灵敏性振动切削机理，使挤压在工件和砂轮上的压力减小，提高了加工效率

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标签：摩擦学物理学

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