磁流变效应即效微磨头平面抛光研究

Based on magnetorheological effect, experiments were conducted to polish the plane optical glass with the size of 3×3mm2 by using an instantaneous tiny grinding wheel. Meanwhile, the effects of process parameters such as magnetic flux density, machining gap between workpiece and tool, rotational speed of tool and polishing time on the surface roughness of workpiece were revealed. The results indicate that, the above parameters except polishing time have the same effect law on surface roughness, that is, with the sustainable growth of parameters, surface roughness decreases quickly at the beginning, and then increases slightly. As for polishing time, surface roughness decreases greatly, and finally reaches a steady value. This research presents that a better surface roughness can be obtained with appropriate parameters.