Geometrical dimensions of a testing ring for magnetic particle inspection——Principle of magnetic particle inspection,Part XLIII;
磁粉探伤用环形试件的几何尺寸——磁粉探伤原理之四十三
And the welding craft and microstructure were analysed, the right welding process and magnetic particle inspection was drawn up.
研究了中碳钢焊缝区磁粉探伤出现的假磁痕,对焊接过程和焊缝组织进行分析,制订出合理的焊接工艺,避免表面缺陷检测的误判。
This article discusses the method and accuracy for header differential steel nozzle fillet magnetic particle inspection, and shows the actual dissection result that the author did on products.
对集箱异种钢管接头角焊缝磁粉探伤的方法和准确性进行了探讨 ,并在产品上进行了实物解剖验证。
This paper briefly introduces domestic and foreign trends of nondestructive testing (NDT),presents the overall consideration of design idea and work principles of magnetic particle testing automation system using digital video camera or digital camera as a means of image data acquisition and signal conversion.
简要介绍无损检测的国内外研究动态 ,提出了一个以数码摄像机或相机作为图像数据采集及信号转换工具的磁粉探伤自动化试验系统 ,运用通用串行总线 USB实现数码相机与计算机之间的数字图像传输 ,用专用的 i L ink电缆连接数码摄像机与计算机 ,按 IEEE1394标准进行数据传输 。
The paper introduces construction of the magnetic particle testing system and process of crack identification.
本文介绍了自动磁粉探伤系统的组成及裂纹识别流程,给出了系统基于DSP的裂纹图像处理与识别板卡的总体方案设计,并分别针对DSP主处理器、A/D转换模块、UART、存储空间扩展以及CPLD逻辑控制进行了方案分析和设计,进行系统调试的同时给出实验数据,并与PC软件进行效率比较。
The thesis includes mainly two parts: the research of out-of-focus image restoration of the automatic magnetic particle testing system and hardware design of micro-crack image processing system based on DSP.
本文主要包括两方面内容：自动磁粉探伤系统散焦图像复原的研究；基于DSP的微裂纹图像处理系统硬件设计。
The detection of cracks in welding seams on spherical vessels has been done by the means of magnetic particle test, dye liquid penetration test, ultrasonic test and radiographic test.
利用磁粉探伤、着色探伤、超声波探伤、射线探伤等无损检测手段对在用球罐焊缝微裂纹进行检测,从中比较出那种方法更加适合,更能有效地对裂纹进行定位和定量。
Failure analysis of small caliber ammunition cartridge cracking after shooting test was carried out by means of macro check,microanalysis of fracture,element analysis,metallographic constituent assessing,and magnetic particle test.
通过宏观观察、微观断口分析、成分分析、金相分析和磁粉探伤等方法对靶试后出现开裂的某小口径弹药药筒进行了失效分析。
The operation requirement of rotor field spider determines that it can′t include any casting fault?repair welding and should have ultrasonic and magnetic particle examination in the process of verification.
转子支架使用要求决定其不得有任何铸造缺陷 ,不得焊补 ,验收过程需进行超声波和磁粉探伤。
Developing the magnetic particle flaw detector for pump rod;
抽油杆磁粉探伤机的研制
Methods for magnetic particle testing
GB/T15822-1995磁粉探伤方法
Study on Automatic Identification System in fluorescent magnetic detection
荧光磁粉探伤结果自动识别系统研究
Application of PLC on Flaw Detection Machine of Magnetic Particle
PLC在轮对磁粉探伤设备中的应用
The methods for magnetic particle testing and for specifying quality levels of steel castings
GB/T9444-1988铸钢件磁粉探伤及质量评级方法
Software Implementation on Auto Wheelset Flaw detecting System;
铁路轮对全自动荧光磁粉探伤系统的软件实现
The Relationship Between Actual Calibration Block and A-type of Calibration Piece During the Magnetic Powder Flaw Detection on Bearings;
轴承磁粉探伤时实物试块与A型试片的关系
Study on Application of Image Processing in Bearing Fluorescent Magnetic Detection
图像处理在轴承荧光磁粉探伤中的应用研究
Research on Automatic Fluorescent Magnetic Particle Inspection and Its Image Processing System
荧光磁粉探伤自动检测及图像处理系统研究
Discussion on the Effective Value Standpoint and Peak Value Standpoint of Magnetic Particle Testing
磁粉探伤中的有效值观点与峰值观点的讨论
Digital Image Preprocessing Method in Automatic Magnetic Particle Testing System
自动磁粉探伤系统中数字图像预处理方法研究
Research on Automatic Identification Technology of Bearing Fluorescent Magnetic Detection
轴承荧光磁粉探伤自动识别技术的研究
MICRO-COMPUTER CONTROL OF THE MAGNETIZATION CURRENT OF THE MAGNETIC PARTICLE INSPECTION MACHINE CONTROLLED BY SCR
晶闸管控制的磁粉探伤机磁化电流的计算机控制
The result proves that the accumulate line is caused by heat treatment defect, soft troostite tape.
结果表明,活塞杆在磁粉探伤中显现的螺旋形磁粉堆积线是由热处理缺陷一屈氏体软带造成的。
The effects of magnetizing methods on the effective magnetic field strength showing the defects in the holes with short distances in magnetic particle inspection were studied by calculation.
通过计算研究小间距孔磁粉探伤时不同磁化方法对显示缺陷的有效磁场强度的影响。
Dye-penetrant and magneticparticle inspection techniques were used on the reparied and other 21 remaining oringinal welds.
曾在修补其余21个原始焊缝上进行了着色渗透和磁粉探伤检查。
Research of Out-of-focus Image Restoration & Micro-crack Identification System Based on DSP of the Automatic Magnetic Particle Testing System;
磁粉探伤系统散焦图像复原暨DSP微裂纹图像识别系统的研究
Research on auto testing system using fluorescent magnetic particle for the wheelsets of railway vehicles;
铁路轮对全自动荧光磁粉探伤系统的研究与实现
Magnet powder flaw detection system for a train's axletree roller surface based on CCD imaging
基于CCD成像的火车轴承滚子表面磁粉探伤检测系统研究