电焊机2023，Vol.53Issue(12)：81-85,5.DOI:10.7512/j.issn.1001-2303.2023.12.13
激光-电弧复合焊焊缝截面几何尺寸的测量方法
Research on Measurement Method of Weld Cross Section Geometric Dimensions of Laser-Arc Hybrid Welding
摘要
Abstract
The effect of hybrid welding parameters on welding bead geometric dimensions has always been the focus of laser-arc hybrid welding research,so it's inevitable to measure the dimensions of welding bead.The paper presents a new measuring system of welding bead sectional dimensions in polar coordinate system.First we can get the outline of the weld-ing bead shape with the SOBEL edge detection algorithm.Secondly locate the center point of welding bead and make it as the original point of the polar coordinate system.Calculate the coordinates of pixels in the welding bead shape outline every other 15 degrees.According to the coordinates gainedand plotting scale,we can calculate the sectional geometric dimen-sions of welding bead.Comparing the dimensions measured in this paper with those measured manually,we can conclude that the measuring error can be under 3%.The research shows that the measuring methods presented in this paper can dra-matically improve the efficiency to measure the dimensions and can also solve the problem that the dimensions of welding bead can notbe measured in polar coordinate system with traditional method.In conclusion this automatic measuring system has a profound meaning to the hybrid welding research.关键词
激光-电弧复合焊/焊缝截面/边缘检测算法/极坐标系/形貌像素长度Key words
laser-arc hybrid welding/wld coss sction/SOBEL edge detection algorithm/the sectional outline of welding bead/coordinates of pixels分类
矿业与冶金引用本文复制引用
洪延武,钟秒金,刘双宇..激光-电弧复合焊焊缝截面几何尺寸的测量方法[J].电焊机,2023,53(12):81-85,5.基金项目
国家青年科学基金项目(51305044) （51305044）
