1、第 52 卷 第 6 期 表面技术 2023 年 6 月 SURFACE TECHNOLOGY 361 收稿日期：20220615；修订日期：20230130 Received：2022-06-15；Revised：2023-01-30 基金项目：国家自然科学基金（51775258）Fund：The National Natural Science Foundation of China(51775258)作者简介：孙岩（1979），女，硕士，讲师，主要研究方向为精密加工技术。Biography：SUN Yan(1979-),Female,Master,Lecturer,Research fo
2、cus:precision machining technology.通讯作者：陈燕（1963），女，博士，教授，主要研究方向为精密加工与特种加工。Corresponding author：CHEN Yan(1963-),Female,Doctor,Professor,Research focus:precision machining and special machining.引文格式：孙岩,潘明诗,王杰,等.仿形组合磁极研磨增材制造复杂表面工艺研究J.表面技术,2023,52(6):361-368.SUN Yan,PAN Ming-shi,WANG Jie,et al.Technolog
3、y of Grinding Complex Surfaces Obtained by Additive Manufacturing with Profiling Combined Magnetic PoleJ.Surface Technology,2023,52(6):361-368.仿形组合磁极研磨增材制造复杂表面工艺研究 孙岩1，潘明诗1，王杰2，陈燕1（1.辽宁科技大学，辽宁 鞍山 114051；2.烟台港股份有限公司联合通用码头分公司，山东 烟台 264000）摘要：目的目的 改善零件表面质量，延长零部件使用寿命。方法方法 应用 Ansys Maxwell 模拟仿真沿盘形磁极圆周开不同
4、形状槽时磁极磁感应强度的分布。以钛合金（Ti6Al4V）材料增材制造的成形零件为例，基于磁粒研磨抛光技术，利用仿形组合开槽磁极对成形零件沟槽表面进行研磨抛光。结果结果 模拟结果表明，沿磁极圆周开均布矩形槽时，磁极的磁感应强度波峰值最大，波谷值最小，磁场强度梯度变化最大，最适合复杂工件表面的磁粒研磨。磁性磨粒粒径、磁极转速和研磨间隙等参数的设置都会影响研磨加工效果，经模拟和实验获得最佳工艺参数为磁性磨粒粒径 180 m、磁极转速 1 000 r/min、研磨间隙 2 mm。设置如上所述的加工工艺参数，成形零件沟槽表面粗糙度 Ra 由原始的 10.70 m 降为 0.52 m，且其表面缺陷得到有效
5、去除。结论结论 采用仿形组合开槽磁极应用磁粒研磨技术能够实现增材制造复杂零件表面的研磨抛光。关键词：增材制造；磁粒研磨；表面粗糙度；仿形组合磁极 中图分类号：TH16 文献标识码：A 文章编号：1001-3660(2023)06-0361-08 DOI：10.16490/ki.issn.1001-3660.2023.06.032 Technology of Grinding Complex Surfaces Obtained by Additive Manufacturing with Profiling Combined Magnetic Pole SUN Yan1,PAN Ming-shi
6、1,WANG Jie2,CHEN Yan1(1.University of Science and Technology Liaoning,Liaoning Anshan 114051,China;2.Yantai Port Co.,Ltd.,and General Terminal Branch,Shandong Yantai 264000,China)ABSTRACT:In order to improve the surface quality of parts and prolong their service life,it is necessary to grind and pol
7、ish the surface of parts.Magnetic abrasive finishing is a branch of the new surface polishing technology in the finishing technology.Magnetic abrasive particles are added between the magnetic pole and the workpiece.Under the action of the magnetic field,the magnetic abrasive particles are arranged a
8、long the magnetic line of force to form a magnetic abrasive brush,which is attached to the workpiece surface under the action of the magnetic force.When there is a relative movement between the magnetic pole and the workpiece,the magnetic abrasive particles scratch along the workpiece surface to gri
9、nd and polish the workpiece surface.The magnetic abrasive particles are attached,rolled and separated on the workpiece surface,which is not limited by the surface 362 表 面 技 术 2023 年 6 月 shape.It has good processing flexibility,adaptability,and a wide range of applications.In this paper,ANSYS Maxwell
10、 was used to simulate the distribution of magnetic induction intensity of the magnetic pole.When slots of different shapes were opened along the circumference of the disc-shaped axial magnetic pole,and to simulate the change curve of magnetic induction intensity at the same position when slots with
11、different shapes were opened.The simulation results showed that when rectangular slots were evenly distributed along the circumference of the magnetic pole,the peak value of the magnetic induction intensity wave was the largest,the trough value was the smallest,and the gradient change of magnetic in
12、duction intensity was the largest,which was the most suitable for magnetic particle grinding of complex workpiece surfaces.The results showed that the magnetic induction intensity at the joint surface and edge of the combined magnetic pole was a little bigger than that at the same part of the overal
13、l magnetic pole,which was more suitable for the grinding of the groove surfaces.The setting of parameters such as magnetic abrasive particle size,magnetic pole speed and grinding gap would affect the grinding effect.The optimal process parameters obtained through simulation and experiment were:magne
14、tic abrasive particle size of 180 m,magnetic pole speed of 1000 r/min,and grinding gap of 2mm.Taking the formed parts made of titanium alloy(Ti6Al4V)as an example,based on the magnetic abrasive polishing technology,the profiling combined the slotted magnetic pole was used to grind and polish the gro
15、ove surface of the formed parts.The processing parameters were set as described above,and the surface roughness of the groove surface of the formed part was changed from the original 10.70 m to 0.52 m.And the surface defects were effectively removed.Therefore,the use of profiling combined slotted ma
16、gnetic poles and the application of magnetic abrasive finishing technology can realize the grinding and polishing of the surface of complex parts made of additive materials.KEY WORDS:additive manufacturing;magnetic particle grinding;surface roughness;profiling combined magnetic pole 增材制造技术可以创建复杂形状结构零件，激光烧结技术即为增材制造技术的一种。激光烧结的成形原理是将粉末材料逐层铺开而烧结的，成形零件无法避免地会出现阶梯效应，虽然通过改进金属粉末质量、优化铺粉轨迹以及改善烧结工艺参数等可以提高增材制造零件的表面质量，但却无法彻底解决成形过程中阶梯效应带来的零件表面质量差等问题1-2。因此，为提高增材制造零件的表面质量，对零件表面进行研磨抛光是必不可少的。目前，对增材制造零件表面光整加工的有效技术包
