Evolution of convex structure during counter-rotating electrochemical machining based on kinematic modeling

作     者：Wenjian CAO Dengyong WANG Zhiyuan REN Di ZHU Wenjian CAO;Dengyong WANG;Zhiyuan REN;Di ZHU

作者机构：College of Mechanical and Electrical EngineeringNanjing University of Aeronautics and AstronauticsNanjing 210016China Jiangsu Key Laboratory of Precision and Micro-Manufacturing TechnologyNanjing 210016China 

出 版 物：《Chinese Journal of Aeronautics》 (中国航空学报（英文版）)

年 卷 期：2021年第34卷第3期

页      面：39-49页

核心收录：

学科分类：08[工学] 0802[工学-机械工程] 080201[工学-机械制造及其自动化] 

基　　金：the financial support provided by National Natural Science Foundation of China(51805259) Natural Science Foundation of Jiangsu Province of China(No.BK20180431) Postdoctoral Science Foundation of China(No.2019M661833) Jiangsu Key Laboratory of Precision and Micro-Manufacturing Technology and Young Elite Scientists Sponsorship Program by CAST 

主　　题：Convex structure Counter-rotating electrochemical machining Current density Equivalent kinematic model Material removal 

摘      要：Counter-rotating electrochemical machining(CRECM)is a novel electrochemical machining(ECM)method,which can be used to machine convex structures with complex shapes on the outer surface of *** this study,the evolution of the convex structure during CRECM is *** complex motion form of CRECM is replaced by an equivalent kinematic model,in which the movement of the cathode tool is realized by matrix *** trajectory of the cathode tool center satisfies the Archimedes spiral equation,and the feed depth in adjacent cycles is a *** simulation results show that the variations of five quality indexes for the convex structure:as machining time increases,the height increases linearly,and the width reduces linearly,the fillets at the top and root fit the rational function,and the inclination angle of the convex satisfies the exponential *** current density distributions with different rotation angles is *** to the differential distribution of current density on workpiece surface,the convex is manufactured with the cathode window transferring into and out of the processing *** results agree very well with the simulation,which indicates that the proposed model is effective for prediction the evolution of the convex structure in CRECM.