光子学报, 2016, 45 (3): 0312002, 网络出版: 2016-04-01   

蒸发器支撑板板孔精密测量系统

Precision Measuring System for Tube Support Plate of Steam Generator
作者单位
中国科学院西安光学精密机械研究所, 西安 710119
摘要
建立了蒸发器支撑板板孔精密测量系统,并提出了基于边缘约束条件的轮廓参量测量方法.首先采用图像处理技术将待测目标转化为二维离散坐标点,计算其最小外接矩形并对轮廓进行预定位;然后将轮廓分割成相互重合的“扩展邻域轮廓”,建立以曲率角为原则的边缘约束算法对各轮廓段精确定界,实现对轮廓参量的精密测量.实验和误差分析表明,该系统测量准确度优于0.02 mm,对具有复杂轮廓的零件参量测量有参考价值.
Abstract
A precision measuring system for tube support plate of steam generator was built, and a parameter measurement method based on edge restriction condition was proposed. Firstly, two-dimensional discrete points were obtained by image processing technology, and the profile was pretreated by calculating the minimum enclosing rectangle of the points. Then, the profile was divided into a series of “extended neighborhood profiles”, and an edge restriction algorithm based on curvature angle was built for precision demarcation. Finally, the profile parameters of part were measured precisely. The experiment results and error analysis show that the measurement precision can reach 0.02mm, which has reference value for the precision measurement of components with complex profile.
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蒋鑫, 李华, 朱辉, 刘杰. 蒸发器支撑板板孔精密测量系统[J]. 光子学报, 2016, 45(3): 0312002. JIANG Xin, LI Hua, ZHU Hui, LIU Jie. Precision Measuring System for Tube Support Plate of Steam Generator[J]. ACTA PHOTONICA SINICA, 2016, 45(3): 0312002.

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