施振方向对超声辅助铣磨氧化锆陶瓷的影响

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振动与冲击 ›› 2019, Vol. 38 ›› Issue (22) : 44-51.

论文

施振方向对超声辅助铣磨氧化锆陶瓷的影响

李龙江，沈剑云，陈宏堃，朱旭，徐西鹏

作者信息 +

Effect of vibration direction on the ultrasonic assisted mill-grinding of zirconia cerami

LI Longjiang，SHEN Jianyun，CHEN Hongkun，ZHU Xu，XU Xipeng

Author information +

文章历史 +

摘要

为研究不同方向的超声振动冲击对铣磨加工氧化锆陶瓷的影响规律，基于压痕断裂力学模型，理论分析对工件施加平行和垂直于进给方向的振动时磨粒加工过程，开展不同参数下的磨削实验并对其加工后表面进行检测分析。结果表明：平行施振时工件受到的轴向力Fz和材料去除率MRR较之于垂直施振大，但垂直施振方式下工件表面粗糙度Ra更小；在所研究的加工参数中，施振方向是影响工件表面粗糙度的最显著因素；另外，不同施振方式下材料主要去除方式有所差异。

Abstract

In order to study the effect of different ultrasonic vibration directions on the zirconia ceramics mill-grinding process, workpieces were put to exert vibrations parallel or perpendicular to the feed direction, respectively. The machining process of abrasive particles was analyzed theoretically based on an indentation fracture mechanics model, then the grinding experiments with different parameters were carried out and the machined surfaces were detected and analyzed. The results show that when applying the parallel vibration, the axial force (Fz) and the material removing rate(MRR) of the workpiece are higher than those under the vertical vibration assisted. However, the surface roughness (Ra) of the workpiece is smaller in the vertical vibration mode. Within the studied processing parameters, the vibration direction is the most significant factor affecting surface roughness. Furthermore, the main material removal mode in the machining assisted by vibrations in these two kinds of directions is different. 

导出引用

李龙江，沈剑云，陈宏堃，朱旭，徐西鹏. 施振方向对超声辅助铣磨氧化锆陶瓷的影响[J]. 振动与冲击, 2019, 38(22): 44-51

LI Longjiang，SHEN Jianyun，CHEN Hongkun，ZHU Xu，XU Xipeng. Effect of vibration direction on the ultrasonic assisted mill-grinding of zirconia cerami[J]. Journal of Vibration and Shock, 2019, 38(22): 44-51

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