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首页> 外文会议>The Twenty-third annual meeting of the American Society of Precision Engineering and the Twelfth ICPE >OPTICAL CLOSED LOOP CONTROL FOR THE PRECISION GRINDING OF MICRO-EDM ELECTRODES
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OPTICAL CLOSED LOOP CONTROL FOR THE PRECISION GRINDING OF MICRO-EDM ELECTRODES

机译：微细电火花电极精密研磨的光学闭环控制

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摘要

The design of a precision micro-EDM electrode grinder with air bearings, air spindle, and closed loop optical measurement feedback is presented in this paper. Three tungsten electrodes were machined with a length of 1.5 mm to a nominal diameter of 150 μm. The measured diameter deviated between 1.1 and 2.1 μm. The benefits of the optical measurement feedback can be seen by comparing the maximum tolerance of 17.6 μm achieved in grinding electrodes without optical feedback and the maximum of 2.1 μrn deviation found in initial trials using the optical measurement feedback. Further tolerance improvements are expected from additional machine calibration and better component alignment, thereby reducing the presence of a slight grinding taper. Future experiments will focus on establishing and optimizing the necessary machining parameters to grind tungsten micro-EDM electrodes of given length and diameter.
机译：本文介绍了一种带有空气轴承，空气主轴和闭环光学测量反馈的精密微型EDM电极磨床的设计。将三个钨电极加工成长度为1.5 mm的标称直径为150μm。测得的直径在1.1至2.1μm之间偏移。通过比较在没有光反馈的研磨电极中达到的最大容忍度为17.6μm，以及在使用光测量反馈的初始试验中发现的最大2.1μm偏差，可以看出光测量反馈的优势。通过额外的机器校准和更好的组件对准，可以期望进一步的公差提高，从而减少轻微的磨削锥度。未来的实验将着重于建立和优化必要的加工参数，以磨削给定长度和直径的钨微EDM电极。

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