构件内微粒声悬浮操控方法研究  

Study on Motion Control Way for Acoustic Suspended Particles Inside a Component

作　　者：王亚星[1] 吴立群[1] 林志朋 叶玅宏 庄龙[1] 

机构地区：[1]杭州电子科技大学,杭州310018

出　　处：《中国机械工程》2015年第22期2996-3001,共6页China Mechanical Engineering

基　　金：国家自然科学基金资助项目(51175134);浙江省自然科学基金资助重点项目(LZ15E050004);浙江省自然科学基金资助项目(LY15E050024)

摘　　要：为了实现构件内部微小结构的直接加工,提出了利用超声悬浮技术建立内部微粒运动的声悬浮操控加工方法。建立了超声悬浮操控微粒运动模型,设计了试验系统并进行了构件内通道悬浮微粒的运动操控试验,建立了悬浮力与微粒直径、内部通道尺寸、透射厚度的关系。结果表明,提出的方法可以在三维空间内实现悬浮微粒较高速度的跟随移动和较高的运动精度控制,微粒能在构件内部可靠悬浮且连续运动形成运动轨迹。研究结果为直接加工内部结构提供了可行的运动操控方案。In order to machine the structure inside a component directly, a new processing method was put forward with the ultrasonic suspension technology. Firstly, a controlled particle motion mod- el was established through theoretical study of ultrasonic suspension, and then a new test system was designed. After some suspended particles~ control movement tests, relationship among the suspen- sion forces and particle diameters, channel sizes, transmission thicknesses was obtained. Results show that the proposed method can drive the particles in 3D space moving to any position freely with higher accuracy. The control scheme is feasible and inspiring.

关 键 词：内加工 超声悬浮 微粒 运动操控 

分 类 号：O426.9[理学—声学]