In order to detect weld defects in steel tube,we set up a realtime imaging and detecting system.
为了自动检测螺旋钢管焊缝缺陷,建立了x光探伤实时成像与自动检测系统。
Final,gives an analysis of forming cause of welding seam defect and puts forward some preventing measures.
论述了焊缝的形状尺寸与焊缝质量的关系,介绍了焊接中力对熔池金属的流动及熔池形状的影响、焊接参数和工艺因素对焊缝尺寸的影响,对焊缝缺陷产生的原因进行了分析并提出了预防措施。
Automatic inspection of weld defects using X-ray image sequences;
基于X射线图像序列的焊缝缺陷自动检测方法
Size Error Analysis of Weld Defect by Routine Ultrasonic Examination;
常规超声波焊缝缺陷尺寸定量检测的误差分析
But unfortunately, due to limitation of conditions, there is not yet a systematic research at home on the online ultrasonic detection of weld defects of pressure vessels and pipelines in high temperature environment.
焊缝缺陷在线高温超声波检测的研究和应用基本上未见报道。
Study on the automatic grading system for weld flaw on the radiogragh;
射线照相焊缝缺陷自动分级系统的设计
Study on the partition of digital image of weld flaw on radiogragh;
射线照相焊缝缺陷数字化图像的分割
The Application of Wavelet Analysis for the Welding Line Flaw Detection
小波分析在焊缝缺陷识别中的应用
The Research on Intelligent Recognition of Welding Line Defects on X-ray Film;
X射线底片焊缝缺陷智能识别的研究
Welding Defect Ultrasonic Test and Idetification Based on LabVIEW;
基于LabVIEW的焊缝缺陷超声检测与识别
Research on Characterization of Weld Defect Based on Ultrasonic TOFD;
基于超声TOFD法的焊缝缺陷表征研究
Girth Weld Defects Assessment of Strain-based Design Pipelines
基于应变设计的管道环焊缝缺陷评估
Flaw Testing of Welding Butt by Ultrasonic Guided Waves
超声导波检测对接焊缝缺陷试验研究
The Numerical Simulation of Weldind Defect and Welding Residual Stresses in the Spherical Tank;
球罐焊缝缺陷与焊接残余应力的数值模拟
3-D Information Detection of Weld Seam Facts in X Ray Image Based on Knowledge
基于知识的X光焊缝缺陷三维信息提取
Application of Wavelet and Laplacian Operator in Pipe Welding Flaw Image Detection
小波及拉氏算子在管道焊缝缺陷检测中的应用
Welding Defect Inspection and Recognition Based on X-ray Imaging;
基于X射线图像的焊缝缺陷检测与识别技术
Research on Defect Detection Technology for Welding Seam Based on Machine Vision Technology;
基于机器视觉的焊缝缺陷检测技术的研究
Research on X-ray On-line Quantitative Detection Technology for Welding Defect
X射线焊缝缺陷在线定量检测技术研究
Image Procession by Wavelet Transform for Weld Defect Tested by Radiographic Testing
基于小波变换的X射线焊缝缺陷图像处理
Spatial Position Visualization of Weld Defects Based on Secondary Development of Pro/E
基于Pro/E二次开发的焊缝缺陷空间位置可视化
Study on Imaging of Weld Imperfection of Ships Based on Acoustic Impedance Rate
基于声阻变化率的船舶焊缝缺陷成像研究
If any sample weld is deficient, all welds shall be checked.
若任一取样焊缝有缺陷，需检查所有焊缝。
Some regulation is obtained: lack of penetration flaw makes the structure produce the big stress in the part.
焊缝未焊透缺陷仅使结构在局部产生较大应力。
Preliminary Analysis of Bead Defects Formation Mechanism in High-speed GMAW
高速GMAW焊接焊缝成形缺陷机理的初步分析