干湿磨条件下氧化锆陶瓷表面粗糙度实验

发布时间：2019-06-12 02:44

【摘要】：目的研究干磨和湿磨两种工作条件下,金刚石砂轮磨削氧化锆陶瓷时,各磨削参数对其表面粗糙度的影响.方法通过在干/湿磨条件下对氧化锆陶瓷以不同的砂轮线速度、磨削深度、工件进给速度进行平面磨削,并观察磨削后工件表面粗糙度数值的变化,再利用电子扫描显微镜对磨削后的表面形貌进行分析.结果在湿磨过程中,当砂轮线速度为50 m/s、磨削深度为0.010 mm、工件进给速度为500 mm/min时,氧化锆陶瓷件表面粗糙度为0.191 8μm,表面质量最好;在干磨过程中,当砂轮的线速度为50 m/s、磨削深度为0.010 mm、工件进给速度为500 mm/min时,氧化锆陶瓷件表面粗糙度为0.189 5μm,表面质量最好.结论干湿磨条件下各磨削参数对氧化锆陶瓷表面粗糙度影响主次顺序分别为砂轮线速度、磨削深度、工件进给速度.同时在小磨削量的精密磨削中,干磨的表面粗糙度要优于湿磨的表面粗糙度.
[Abstract]:Objective to study the effect of grinding parameters on the surface roughness of zirconia ceramics by diamond grinding wheel under dry grinding and wet grinding conditions. Methods Zirconia ceramics were ground in plane with different grinding wheel linear speed, grinding depth and workpiece feed speed under dry / wet grinding conditions, and the changes of surface roughness after grinding were observed, and then the surface morphology after grinding was analyzed by electron scanning microscope. Results in the process of wet grinding, the surface roughness of zirconia ceramic parts is 0.191.8 渭 m and the surface quality is the best when the linear speed of grinding wheel is 50m and the grinding depth is 0.010 mm,. The feed speed of workpiece is 500mand the surface roughness of zirconia ceramic parts is 0.191.8 渭 m. In the process of dry grinding, when the linear speed of grinding wheel is 50 m / s and the grinding depth is 0.010 mm, the surface roughness of zirconia ceramic parts is 0.995 渭 m and the surface quality is the best. Conclusion the effects of grinding parameters on the surface roughness of zirconia ceramics under dry and wet grinding conditions are as follows: wheel linear speed, grinding depth and workpiece feed speed, respectively. At the same time, in the precision grinding of small grinding quantity, the surface roughness of dry grinding is better than that of wet grinding.
【作者单位】：沈阳建筑大学高档石材数控加工装备与技术国家地方联合工程实验室;沈阳建筑大学机械工程学院;沈阳建筑大学学报编辑部;
【基金】：国家自然科学基金项目(51675353) 辽宁省自然科学基金项目(2015020149) 辽宁省高等学校优秀人才支持计划项目(LR2015053) 沈阳市科技计划项目(F16-205-1-15) 高档石材数控加工装备与技术国家地方联合工程实验室开放基金项目(SJSC-2015-3)
【分类号】：TQ174.6

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