Diameter measuring technique based on capacitive probe for deep hole or oblique hole monitoring |
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| Affiliation: | 1. School of Mechanical Engineering, University of Jinan, Jinan 250022, China;2. School of Computer Science and Technology, Tianjin University, Tianjin 300072, China;1. Department of Mechanical Engineering, National Chung Hsing University, Taichung 402, Taiwan, ROC;2. Institute of Electro-Optical and Materials Science, National Formosa University, Yulin, Taiwan, ROC;1. Zhejiang Industry Polytechnic College, Shaoxing 312000, China;2. School of Aeronautics and Astronautics, Zhejiang University, 310027 Hangzhou, China |
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| Abstract: | A deep hole or oblique hole diameter measuring system was introduced, a cylindrical capacitive probe with effective measurement electrode was adopted to measure the diameter by measuring the clearance between the probe electrode and the measured hole, and it has no measurement force by measuring in non-contact mode. And then, we obtain the precision diameter measurement system for straight holes. By using the measurement system in oblique hole, we can see that with the increase in the hole depth, the measurement results are basically approaching stable value. |
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| Keywords: | Diameter measurement Deep hole Blind hole Oblique hole Capacitive sensing probe |
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