旋转超声振动辅助磁力研磨玉石表面试验研究

该试验研究为提高玉石材料表面加工质量和加工效率,去除工件表面微裂纹、褶皱、划痕,提出旋转超声辅助磁力研磨加工技术对玉石表面进行光整加工的方法。对比了普通研磨和旋转超声辅助磁力研磨加工后玉石表面质量,分析了超声波频率、磁性研磨头直径和主轴转速对加工质量的影响效果。试验结果表明:当主轴转速1500r/min、研磨头直径为30mm,采用19 k Hz高频振动频率对玉石表面研磨30min时,玉石表面研磨的表面粗糙度及表面形貌效果最好,玉石表面粗糙度从0.89μm降至0.13μm,有效的提高了玉石表面质量。

Experimental Study on the Auxiliary Magnetic Abrasive Grinding of Jade Surface by Rotating Ultrasonic Vibration

Due to the hard and brittle properties of the jade material,the traditional magnetic grinding has low efficiency and poor surface quality on its surface finishing.In order to solve this problem,this paper puts forward a method of rotary ultrasonic assisted magnetic grinding technology for finishing the surface of jade.The surface quality of jade after general grinding and rotary ultrasonic assisted magnetic abrasive finishing is compared,and the effect of ultrasonic frequency,magnetic abrasive head diameter and spindle speed on machining quality is analyzed.The test results show that when the spindle speed is 1500r/min,the diameter of the grinding head is 30mm,19kHz high frequency vibration frequency on the surface of the jade grinding 30min,the best surface grinding jade surface roughness and surface morphology,surface roughness of jade from 0.89μm to 0.13μm,effectively improve the surface quality of the jade.