LI Ya-biao, WANG Bao-guang, FENG Xiao-qiang. Research on high-precision capacitive automatic measuring system for pinhole diameter[J]. 2009, 28(12): 14-16.
LI Ya-biao, WANG Bao-guang, FENG Xiao-qiang. Research on high-precision capacitive automatic measuring system for pinhole diameter[J]. 2009, 28(12): 14-16. DOI: 10.13873/j.1000-97872009.12.005.
高精度电容式小孔孔径自动测量系统的研究
摘要
提出了一种新型的非接触电容式小孔孔径测量方法
设计了专用测头
组建了小孔孔径自动测量系统。该系统采用视觉CCD和二维微调整机构
实现了精确的定位。用VC++6.0开发了应用软件
用来控制系统的自动运行
并完成标定、数据采集和数据处理。实验结果表明:此系统分辨率可以达到0.5μm
重复性实验标准差可以达到0.81μm。
Abstract
A high-precision
non-contact capacitance measuring method for pinhole diameter is introduced
and a special probe is designed.An automatic measuring system for pinhole diameter is formed.The system uses vision CCD and a two-dimensional micro-adjusting instrument to achieve precise position.The software is completed with VC++6.0
which can control to run automatically and compelete experimental data acquisition
calibration and data processsing.Experiments show that the resolution of this system is 0.5 μm and the standard deviation is 0.81 μm.