微尺度线电极电解加工

 微尺度线电极电解是近期出现的一种新加工方法，采用钨丝作为线电极，在加工过程中电极无损耗，通过控制工具电极轨迹可实现微细结构加工。建立了微尺度线电极电解加工模型；通过微尺度线电极叠加微幅振动，促进了加工间隙中电解液更新；针对加工电压、脉冲宽度、脉冲周期和加工速度等影响微尺度线电极电解加工精度的因素进行了参数对比试验，并对加工参数进行了分析和优化。采用电化学腐蚀原理进行微米尺度线电极的在线制作，在线制得直径10 μm和2 μm的线电极，实现了切缝宽度为20 μm以下的复杂微细结构以及切缝宽度为8 μm以下的微螺旋结构。

Micro Wire Electrode Electrochemical Machining

Micro wire electrochemical machining is studied as a new method of micro fabrication in this article.It uses a tungsten wire as the tool electrode.Because there is no tool wear in wire electrochemical machining,it can easily be applied to the fabrication of micro structures by moving the tool electrode along a programmed path.The model of micro wire electrochemical machining is investigated.Flow of the machining gap is improved by adding vibrancy to wire electrode.Factors that affect the precision of micro ...