Li Yuluan,Qu Yuxin,Cheng Haidong,et al.Simulation study on the dynamic behavior of magnetic abrasives in magnetic particle grinding[J].Plating & Finishing,2024,(2):107-112.[doi:10.3969/j.issn.1001-3849.2024.02.016]
磁粒研磨中磁性磨料的动力学行为仿真研究
- Title:
- Simulation study on the dynamic behavior of magnetic abrasives in magnetic particle grinding
- Keywords:
- magnetic particle grinding ; discrete element method ; abrasive dynamics ; parameter calibration
- 分类号:
- TG176
- 文献标志码:
- A
- 摘要:
- 为了探究磁粒研磨中磁性磨料的最佳动力学参数，利用有限元软件 ANSYS Maxwell 结合离散元软件 EDEM ，对磁粒研磨加工过程进行动态仿真。首先进行微观参数标定，得到了磁性磨粒离散元仿真所需的参数，最终确定滑动摩擦系数为 0.9 、滚动摩擦系数为 0.109 为最优的参数组合。在此参数基础上，对磁粒研磨加工过程进行动态仿真。结果表明：在其他条件一定的情况下，磁场转速越高，单位时间内磁性磨粒与管件表面之间的作用次数越高，加工效率越高。通过加工实验，得到了在不同加工参数下表面粗糙度数据。模拟仿真结果与实验结果的变化趋势具有一致性，验证了利用数值分析的手段对磁粒研磨加工过程进行理论分析的可行性。
- Abstract:
- ： In order to explore the optimal kinetic parameters of magnetic abrasives in magnetic particle grinding ， the finite element software ANSYS Maxwell combined with the discrete element software EDEM were used to dynamically simulate the magnetic particle grinding process. Firstly ， the microscopic parameters were calibrated ， and the parameters required for the discrete element simulation of magnetic abrasive grains were obtained. Finally ， the optimal parameter combination of sliding friction coefficient of 0.9 and rolling friction coefficient of 0.109 was determined. Based on this parameter ， the magnetic particle grinding process was dynamically simulated. It was concluded that under other conditions ， the higher the magnetic field speed ， the higher the number of actions between the magnetic abrasive grain and the surface of the pipe in unit time ， and the higher the processing efficiency. Through the processing experiment ， the surface roughness data under different processing parameters were obtained. The simulation results were consistent with the change trend of the experimental results ， which verified the feasibility of theoretical analysis of magnetic particle grinding processing by means of numerical analysis.
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备注/Memo
收稿日期： 2023-04-06 修回日期： 2023-05-26 作者简介： 李毓滦（ 2002 —），男，本科生， email ： 1290736451@qq.com * 通信作者： 韩冰（ 1975 — ），男，博士，教授，研究方向为金属材料表面技术， email ： Hanb75@126.com 基金项目： 国家自然科学基金项目（ 51775258 ）；辽宁科技大学大学生创新创业训练计划项目（ 202310146009 ）