电火花加工金刚石-镍复合电极制备参数优化研究  

Optimization of preparation parameters for diamond nickel composite electrodes in electrical discharge machining

作　　者：王文建 常皓 拜颖乾[1] 赵涛 周栋 WANG Wen-jian;CHANG Hao;BAI Ying-qian;ZHAO Tao;ZHOU Dong(Shaanxi Railway Institute,Weinan 714000,Shaanxi,China;Zhengzhou Technical College,Zhengzhou 450000,Henan,China)

机构地区：[1]陕西铁路工程职业技术学院,陕西渭南714000 [2]郑州职业技术学院,河南南郑州450000

出　　处：《模具技术》2024年第3期57-63,共7页Die and Mould Technology

基　　金：陕西省教育厅科学研究计划项目(编号:23JK0381);渭南市重点研发计划项目(编号:STYKJ2022-2);陕西铁路工程职业技术学院中青年科技创新人才项目(编号:KJRC202208);陕西铁路工程职业技术学院校级项目(编号:KY2020-55)。

摘　　要：研究了化学复合镀镀液的制备参数对复合电极制备的影响,阐述了金刚石微粉预处理步骤。分析了金刚石微粉的等效粒径对复合电极镀层的影响,得出最佳镀层金刚石等效粒径为10μm。进行了镀液温度变化下的复合电极制备速度关系试验,得出最佳制备温度为74~76℃。对制备的电极进行加工试验,结果表明:参数优化复合电极的电极角损耗比普通紫铜电极降低了74.74%;参数优化复合电极的电极角损耗比参数未优化复合电极降低了57.29%。The influence of preparation parameters of chemical composite plating solution on the preparation of composite electrodes was studied,and the pretreatment steps of diamond micro powder were explained;The influence of the equivalent particle size of diamond micro powder on the composite electrode coating was analyzed,and the optimal coating diamond equivalent particle size was determined to be 10μm;An experiment was conducted on the plating rate relationship of chemical composite plating under changes in plating solution temperature,and the optimal plating solution temperature was found to be 74-76℃;Through processing experiments on the prepared electrodes,it was found that the optimized composite electrode reduced electrode angle loss by 74.74%compared to ordinary copper electrodes;Parameter optimized composite electrodes reduced electrode angle loss by 57.29%compared to non optimized composite electrodes.

关 键 词：电火花加工(EDM) 复合电极 制备参数优化 

分 类 号：TG661[金属学及工艺—金属切削加工及机床]