微结构超声复合加工机理分析与试验  

Mechanism Analyses and Experiment Study on Ultrasonical Combined Electrical Machining for Micro-structures

作　　者：王占和[1] 范仲俊[1] 朱永伟[1] 

机构地区：[1]扬州大学机械工程学院,江苏扬州225009

出　　处：《电加工与模具》2009年第6期23-28,共6页Electromachining & Mould

基　　金：江苏省自然科学基金资助项目(BK2009194);江苏省研究生创新工程计划资助项目(CX07S-022z)

摘　　要：提出制作微结构的超声复合电加工方法。分析微细超声、超声复合电火花、超声复合电解微细加工过程机理。用微细放电组合技术制作多种截面形状微细工具电极;完善超声复合电加工试验系统,进行了多种材料、形状的微结构超声复合加工试验。结果表明:用超声加工是制作硬脆材料微结构的有效方法,用超声复合电火花制作的金属材料微结构有好的精度及稳定性;超声复合电解加工兼有效率高、精度好的技术优势。The method of ultrasonical combined machining mic.ro-structures of is advanced. The micro-machining mechanism and characteristics of ultrasonical combined machining are analyzed. Several kind cathodes with different sections are manufactured by combined electro-discharge micro- machining. The micro-machining system is built and improved. The micro-structures are manufactured by electrical combined ultrasonical machining. It is proved that ultrasonical machining is an effective way for the micro-structures of hard and brittle materials. The good precision and machining stability can be obtained by the ultrasonical combined electric-discharge machining for micro-structures of hard and tough materials. The good precision and high productivity can be obtained by ultrasonical combined electrochemical machining.

关 键 词：微结构 超声加工 电火花加工 电解加工 复合微细加工 

分 类 号：TG663[金属学及工艺—金属切削加工及机床]