高回转精度微柱状电极电化学加工模型及试验  

Model and experimental on fabrication of cylindrical micro electrode with high rotation accuracy by electrochemical machining

作　　者：李名鸿 刘勇[1,2] 郭春生[1] 王明宇[2] 牛静然 LI Minghong LIU Yong GUO Chunsheng WANG Mingyu NIU Jingran(Associated Engineering Research Center of Mechanics ＆ Mechatronic Equipment, Shandong University, Weihai 264209, China Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, Shandong University, Ji ＇ nan 250061, China)

机构地区：[1]山东大学力学与机电装备联合工程技术研究中心,威海264209 [2]山东大学高效洁净机械制造教育部重点实验室,济南250061

出　　处：《航空学报》2016年第12期3864-3872,共9页Acta Aeronautica et Astronautica Sinica

基　　金：国家自然科学基金(51305238);中国博士后科学基金(2015M572023);山东省自然科学基金(ZR2015PE016);山东大学(威海)青年学者未来计划(2015WHWLJH03)~~

摘　　要：为实现高回转精度微柱状电极的精确高效在线制备,对微电极电化学刻蚀过程进行了深入的研究与改进。首先,根据电化学刻蚀原理,分析了电极旋转对柱状电极加工的影响,试验证明电极旋转可以提高电极的回转精度;其次,根据试验归纳,确立了加工电压、浸液深度和电极转速之间的函数关系,建立了高回转精度微柱状电极加工控制数学模型;最后,在上述模型的指导下,选择优化的加工参数组合,成功加工得到一系列直径为100μm左右、同轴度误差小于1μm的柱状电极。To fabricate cylindrical micro electrode with high rotation accuracy efficiently and precisely on line,the process of electrochemical etching micro electrodes is investigated and improved deeply.First,the effect of rotation on the process of fabricating cylindrical electrode is analyzed based on the mechanism of electrochemical etching.It is proved that electrode rotation can improve the rotation accuracy of electrode by experiments.Second,according to the experimental results,the functional relationships among the applied voltage,immersed depth and rotation speed are established,and the mathematical model of controlling how to fabricate cylindrical electrode is built.Finally,the optimized combination of parameters is chosen under the direction of the model,and series of cylindrical micro electrodes with high rotation accuracy are fabricated with the diameter about 100μm and the error of rotation accuracy controlled below 1μm.

关 键 词：高回转精度 微柱状电极 电化学刻蚀 电极旋转 数学模型 

分 类 号：V261.5[航空宇航科学与技术—航空宇航制造工程] TG662[金属学及工艺—金属切削加工及机床]