用于电化学微加工的二次微分反馈法

IF 1.9 4区 工程技术 Q2 Engineering
Lizhong Xu, Jipeng Wang
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引用次数: 0

摘要

使用脉冲电压进行电化学微加工的加工精度主要取决于电压信号的脉冲宽度。要实现纳米级的加工分辨率,需要昂贵的皮秒脉冲电源。本文提出了一种用于电化学微加工的二次微分反馈方法。利用该方法,在微秒脉冲宽度下,通过调整反馈回路增益,可轻松获得纳米级加工分辨率。本文设计并分析了加工系统的电路,推导出系统的电路方程和传递函数。通过该方程,揭示了加工方法的基本原理,并给出了该方法的加工分辨率方程。通过微孔加工实验,研究了反馈增益对分辨率的影响,并与计算结果进行了比较。结果表明,二者吻合得很好,说明了所提出的加工方法是可行的。此外,还制作了一些微型结构,获得了纳米级的加工分辨率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

A Quadratic Differential Feedback Method for Electrochemical Micro Machining

A Quadratic Differential Feedback Method for Electrochemical Micro Machining

Machining accuracy of the electrochemical micro machining with pulse voltage mainly depends on pulse width of the voltage signals. To give nanometer level machining resolution, an expensive picoseconds pulse power supply is required. In this paper, a quadratic differential feedback method for electrochemical micro machining is proposed. With the method, nanometer level machining resolution can be obtained easily by tuning feedback loop gain under micro second pulse width. Here, the circuits of the machining system are designed and analyzed, and the circuit equation and transfer function of the system are deduced. By the equation, the basic principle of the machining method is revealed and the equation of the machining resolution for the method is also given. By micro hole machining experiments, effects of the feedback gain on the resolution are investigated and compared with the calculated ones. Good agreement is obtained which illustrates the proposed machining method. Besides it, some micro structures are produced and nanometer level machining resolution is obtained.

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来源期刊
CiteScore
4.10
自引率
10.50%
发文量
115
审稿时长
3-6 weeks
期刊介绍: The International Journal of Precision Engineering and Manufacturing accepts original contributions on all aspects of precision engineering and manufacturing. The journal specific focus areas include, but are not limited to: - Precision Machining Processes - Manufacturing Systems - Robotics and Automation - Machine Tools - Design and Materials - Biomechanical Engineering - Nano/Micro Technology - Rapid Prototyping and Manufacturing - Measurements and Control Surveys and reviews will also be planned in consultation with the Editorial Board.
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