Experimental Research on Machining Localization and Surface Quality in Micro Electrochemical Milling of Nickel-Based Superalloy.
Experimental Research on Machining Localization and Surface Quality in Micro Electrochemical Milling of Nickel-Based Superalloy.
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DOI：
10.3390/mi9080402
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发表时间：
2018-08-14
期刊：
影响因子：
3.4
通讯作者：
Kong H
中科院分区：
文献类型：
--
作者：
Liu Y;Jiang Y;Guo C;Deng S;Kong H
微型电化学加工在金属零件的微细加工中变得越来越重要。研究了纳秒脉冲微细电解铣削加工特性。首先，建立了纳秒脉冲微细电化学铣削定位控制的数学模型。其次，对镍基高温合金进行了多组实验，分析了加工电压、脉冲时间、脉冲周期、电解液浓度和电极直径等参数对加工局部化和表面粗糙度的影响。最后，利用优化后的加工参数，成功地加工出了具有良好形状精度和表面质量的二维复杂形状和三维方腔结构。研究表明，纳秒脉冲微细电解铣削技术是一种有效的金属微结构加工方法。
Micro electrochemical machining is becoming increasingly important in the microfabrication of metal parts. In this paper, the machining characteristics of micro electrochemical milling with nanosecond pulse were studied. Firstly, a mathematical model for the localization control of micro electrochemical milling with nanosecond pulse was established. Secondly, groups of experiments were conducted on nickel-based superalloy and the effects of parameters such as applied voltage, pulse on time, pulse period, electrolyte concentration and electrode diameter on machining localization and surface roughness were analyzed. Finally, by using the optimized machining parameters, some 2D complex shapes and 3D square cavity structures with good shape precision and good surface quality were successfully obtained. It was proved that the micro electrochemical milling with nanosecond pulse technique is an effective machining method to fabricate metal microstructures.
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影响因子：
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