纵扭复合振动超声加工运动特性研究  

Study On Movement Characteristics of Longitudinal-Torsional Composite Vibration Ultrasonic Machining

作　　者：张能 魏昕[1] 汪永超 ZHANG Neng;WEI Xin;WANG Yong-chao(School of Electromechanical Engineering,Guangdong University of Technology,Guangzhou 510006,China;Synergy Innovation Institute of GDUT in Heyuan,Heyuan Guangdong 517000,China)

机构地区：[1]广东工业大学机电工程学院,广州510006 [2]河源广工大协同创新研究院,广东河源517000

出　　处：《组合机床与自动化加工技术》2018年第11期78-80,共3页Modular Machine Tool & Automatic Manufacturing Technique

基　　金：国家自然科学基金项目(51175092);广东省自然科学基金项目(10151009001000036)

摘　　要：外加超声电源激励产生的复合振动输出模态作用于加工刀具上,从而改变实际超声加工过程中刀具相对于工件之间的运动状态,出现不同于传统磨削加工的运动特性,由运动合成原理,在分析纵扭复合振动作用下刀具切削运动轨迹特征及由此产生的加工特性下对普通磨削加工和复合振动超声加工进行磨削工程氧化锆陶瓷材料表面试验,提出了超声加工运动形式的不同所体现出的工艺优势,理论与试验结果表明超声振动下独特的运动形式体现出的加工特性会促进切屑排除,使得刀痕沟槽均匀,改善加工表面质量,突出超声加工工艺方法应用于精密及超精密加工的重要意义。Ultrasonic power output composite vibration modality acting on the tool to change the relative movement status during actual ultrasonic processing between the tool and the workpiece, which cause differ- ent motion characteristics from traditional grinding movement, by the motion synthesis principle to analyze cutting trajectory characteristics of the tool and machining properties of the trajectory under the longitudinal- torsional composite vibration, and deliver ultrasonic machining surface experiment of engineering zirconia ceramics material between ordinary grinding and compound vibration grinding to verify the technology ad- vantages because of different forms of ultrasonic machining motion, the theory and experimental results show that ultrasonic vibration with the processing characteristics under the unique movement form will pro- mote chip exclusion, get uniform groove, improve processing quality and dedicate the significance of appli- cation of ultrasonic machining method in precision and ultra-precision machining .

关 键 词：纵扭复合振动 超声加工 运动轨迹 加工特性 

分 类 号：TH166[机械工程—机械制造及自动化] TG506[金属学及工艺—金属切削加工及机床]