Weld pool boundary and weld bead shape reconstruction based on passive vision in P-GMAW

被引：2
|
作者：
闫志鸿
张广军
高洪明
吴林
机构：
[1] State Key Laboratory of Advanced Welding Production Technology Harbin Institute of Technology
[2] State Key Laboratory of Advanced Welding Production Technology Harbin Institute of Technology
[3] Harbin 150001 Harbin 150001 Harbin 150001 Harbin 150001
来源：
China Welding | 2006年 / 02期
关键词：
weld pool; visual sensing; geometrical model; image processing; 3D reconstruction;
D O I：
暂无
中图分类号：
TG44 [焊接工艺];
学科分类号：
080201 ; 080503 ;
摘要：
A passive visual sensing system is established in this research, and clear weld pool images in pulsed gas metal arc welding (P-GMAW) can be captured with this system. The three-dimensional weld pool geometry, especially the weld height, is not only a crucial factor in determining workpiece mechanical properties, but also an important parameter for reflecting the penetration. A new three-dimensional (3D) model is established to describe the weld pool geometry in P-GMAW. Then, a series of algorithms are developed to extract the model geometrical parameters from the weld pool images. Furthermore, the method to reconstruct the 3D shape of weld pool boundary and weld bead from the two-dimensional images is investigated.
引用
收藏
页码：20 / 24
页数：5
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