Design and Application for Pretreatment of Defect Recognition for X-Ray Weld Inspection System X射线焊缝缺陷识别系统预处理模块设计与实现
Review the Weld inspection reports for each project and rectify any possible documentation errors. 审查焊接检验报告,修改文件上可能的错误。
Efficiency Improvement Method with Probe Sorting Card During Testing by Digital Ultrasonic Flaw Detector The Application of Portable Phased Array Instrument for Weld Ultrasonic Inspection Technology 采用探头卡片分类法提高数字式超声波探伤仪的使用效率便携式相控阵探伤仪在焊缝超声检测技术中的应用
The Application of Portable Phased Array Instrument for Weld Ultrasonic Inspection Technology 便携式相控阵探伤仪在焊缝超声检测技术中的应用
The importance of weld dynamic tracking is pointed out through analyses of possible cause distort alarm and miss inspection of weld ultrasonic continuous automatic inspection of spiral submerged arc welded pipe when weld dynamic tracking is not good. 通过对螺旋埋弧焊管焊缝超声波连续自动检测中焊缝动态跟踪不良时可能造成误报警和漏检的分析,指出了焊缝动态跟踪的重要性。
The model of fuzzy neural networks for weld defects distinguishing was described, through the analysis of the defect characters in weld of ray inspection. The construction of membership function and learning algorithm of BP networks were introduced. 通过对射线底片焊缝缺陷特征分析,提出了用于焊缝缺陷识别的模糊神经网络模型,并介绍了隶属度的构造和BP网络学习算法。
Technical evaluation of extended-service liquid chlorine tank-wagon should be based on routine testing while particular emphasis is laid on: weld quality inspection ( nondestructive testing), retest of tank ′ s materials ( mainly by means of hardness testing), survey of wall thickness and strength analysis. 对超期服役的铁路罐车技术评定应在常规检测的基础上,侧重于焊缝质量检查(无损探伤)、罐体材质检查(主要通过硬度测试)、壁厚测定及强度校核。
With an introduction of the developing process main contents of "Specification for Weld Construction Acceptance Inspection in West China Gas Transported to East China Pipeline Project", this paper summarized compilation principle main technology characteristics of this standard. 通过介绍《西气东输管道工程焊接施工及验收规范》的编制过程及其主要内容,概括了标准的编写原则和主要技术特点,归纳了标准的主要内容:范围;
Weld Quality Inspection on Pressure Vessels 压力容器的焊接质量检验
The analysis of ultrasonic signals obtained during weld inspection is dealt with, aiming to distinguish different flaws with signal analysis and classification methods. 针对工业超声检测过程中缺陷难以准确定性的问题,基于射频回波对缺陷分类中的信号处理等方法进行了研究。
Design of Ultrasonic Phased Array System on Pipeline Girth Weld Inspection 管道环焊缝相控超声检测系统设计
Flexible Guiding Tracking of Weld Ultrasonic Automatic Inspection for Spiral Welded Pipe 螺旋焊管焊缝超声波自动检测的柔性导向跟踪
On-line weld quality inspection based on weld indentation by using servo gun 基于焊点压痕的伺服焊枪点焊质量在线检测方法
According to the edge detection theory based on modulus maxima of wavelet transform, an infinitely differentiable wavelet with good antisymmetry was deduced to extract the edges of defects from X ray spot weld inspection images. 基于小波模极大值边缘检测原理,推导出一类具有良好反对称性的无限光滑小波并运用于点焊缺陷的边缘提取。
Non-destructive test ( NDT) is the most-often-used method in the weld inspection for boilers and pressure vessels; how to properly realize and implement NDT is of great importance to quality control of products. 在锅炉压力容器的检验中,无损探伤是检验焊接质量的最主要形式,如何正确认识和实行无损探伤对产品质量的控制具有重要意义。
Inverse Kinematic Resolution on Seven Degrees of Freedom Robot for Inlaid Weld Inspection 七自由度相贯焊缝检测机器人运动学逆解
Using the output on line-printer for X-ray weld inspection films, the optimal parameter of printing control is investigated. 运用行式打印机输出焊缝X射线探伤返修片的方法,研究了最佳打印控制参数。
X-ray real time imaging for weld inspection using the X-ray industrial television detecting system, then, is a promising detecting way which has high sensitivity and efficiency. X射线实时图象法探伤是焊接检验中一种高灵敏度和很有发展前途的方法。
Automatic Ultrasonic Phase Array Control Technology Application into Circumference Weld Inspection 自动超声相控阵技术在海洋敷管环焊缝检测中的应用
Minimal Energy Trajectory Plan of Weld Inspection Manipulator for Intersected Pipes Based on Genetic Algorithm 基于遗传算法的插接管道焊缝扫查机器人能量最小轨迹优化
And key point is the inner weld quality inspection. 而该结构的焊缝的检测成为质量关键。
Design of weld inspection system for intersected pipe based on redundant manipulator 基于冗余关节机器人的插接管道焊缝扫查系统设计
The requirements for weld inspection in the code 2002 addenda are defined and detailed. 新法规焊缝检验技术要求更加明确、具体。
The feasibility of the weld quality inspection is verified by simulating eddy current probe detecting weld defects case. 利用COMSOL有限元仿真软件模拟涡流探头检测焊缝缺陷情况,验证了焊缝质量检测的可行性。
The reasons of colorectal or misjudgment have been systematically analyzed through the application in practical engineering. This paper focuses on how to judge the kinds and position of the defects, which are the most important link in weld ultrasonic inspection. 通过实际工程的应用,对造成漏检或误判问题的原因进行了系统的理论分析,本文着重研究了如何准确判定缺陷的类别,缺陷的定位是焊缝超声探伤中最为重要的环节。
At present, research on digital oil and gas pipeline weld inspection system is not indepth in China, and relevant standards are not very mature. 目前国内对数字化油气管道焊缝检测系统的研究并不深入,相关标准也不很成熟。
Rapid and accurate are the important indicators of this weld inspection system. 快速准确的对焊缝进行检测,是此焊缝检测系统的重要指标之一。
Early in the pipeline construction, weld inspection is an essential process. For a long time, the X-ray film method plays the most important role for pipe welds detection in China. 在管道建设初期,焊缝检测是必不可少的一道工序,我国长期以来对管道焊缝采用X射线胶片照相检测法。
Finally, compared with several traditional edge detection algorithm, the system was applied to practical weld imperfection inspection, and the detection results show that the new method proposed in the paper was correct and effective, and was of a certain practical value. 最后将此软件应用于实际的焊缝缺陷检测中,并与几种经典的边缘检测方法做了比较。结果表明论文所提出的新算法是正确的、有效的,具有一定的实用价值。
With the increase of pipeline structural applications in our country, the developing of automatic ultrasonic testing equipment for weld inspection with independent intellectual property rights is of great significance for the application and development of pipeline industry. 随着我国管道结构应用量的增大,研制出具有自主知识产权的管道焊缝自动检测系统对管道工业的应用和发展具有十分重要的意义。