基于硬脆材料去除机理，结合超声振动辅助磨削过程中单颗磨粒的运动学分析，建立超声ELID（Electrolytic in-processing Dressing）复合磨削条件下的材料去除率数学解析模型，并对模型进行分析和仿真。结果表明：材料去除率随切削深度、砂轮速度、超声振动振幅和频率的增大而增大；同等条件下，超声ELID复合磨削比ELID磨削时的材料去除率高，且分别在切削深度较大、砂轮速度较小时较明显；随超声振动振幅和频率的增大，材料去除率近似呈线性增长。
Based on the removal mechanism of hard brittle material and the kinematics analysis for single abrasive grit with ultrasonic vibration,the mathematical model of material removal rate for ultrasonic ELID composite grinding was proposed. The model was analyzed and simulated. Simulation results show that material removal rate increases with the depth of cut,wheel speed,the ultrasonic vibration amplitude and frequency increasing. Under the same conditions,the material removal rate of ultrasound ELID composite grinding is higher than that of ELID grinding,and it becomes more apparent at great cutting depth and low grinding wheel speed. With the increase of the ultrasonic vibration amplitude and frequency,the material removal rate increases almost linearly.
参考文献
| [1] | 邓朝晖,张璧,孙宗禹,周志雄.陶瓷磨削材料去除机理的研究进展[J].中国机械工程,2002(18):1608-1611. |
| [2] | Zhao, B.;Zhao, C.;Du, B..Experimental study on damage mechanism of nano-ceramic surface/subsurface under ultrasonic vibration aided grinding[J].Diffusion and Defect Data. Solid State Data, Part B. Solid State Phenomena,2011:107-111. |
| [3] | 梁志强,王西彬,吴勇波,栗勇,赵文祥,庞思勤.超声振动辅助磨削技术的现状与新进展[J].兵工学报,2010(11):1530-1535. |
| [4] | T. Bifano;R. Krishnamoorthy;H. Fawcett;E. Welch .Fixed-load electrolytic dressing with bronze bonded grinding wheels[J].Journal of manufacturing science and engineering,1999(1):20-27. |
| [5] | Kaifei Zhang;Chengzu Ren;Lijian Yang;Qinfeng Li;Xinmin Jin .Precision internal grinding of bearing steel based on the state control of oxide layer with electrolytic in-process dressing[J].Journal of Materials Processing Technology,2012(7):1611-1621. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%