焊缝

The experiment proves that it has the advantage of reliable control and good seam tracking.

实现焊接过程的自动化和智能化，需解决的重要问题之一就是焊缝自动跟踪。

Accordingly, the accident of sulfide stress corrosion cracking should be taken into account.The SSCC sensitivity and cracking time of 16Mn steel used to make the cold-high pressure segregator and common 16Mn steel in solutions with various H2S contents and pH values, simulated solution and operating solution were investigated by constant strain bend and slow strain rate test.Hydrogen diffusion coefficients of 16Mn steel, 16Mn steel and their welded seams were also tested by the electrolyte hydrogen charged method.Safety evaluation of the cold-high pressure segregator was given with above results.

针对制造过程中由于开孔失误而进行补焊的冷高压分离器在高压、高浓度的H2S环境的使用安全问题，采用了电化学充氢、恒应变和慢拉伸的实验方法，研究了制造冷高压分离器的主体材料16Mn钢和普通的16Mn钢及其焊缝的氢扩散系数，在不同H2S浓度、pH值，模拟冷高压分离器操作环境溶液和实际溶液中的腐蚀规律和硫化氢应力腐蚀开裂敏感性，结合实际腐蚀环境的检测和分析结果，对补焊后的冷高压分离器的使用安全给出了综合评估。

In this paper, the law of change of nitrogen content in the metal of welding seam under different forms of shielded flow is studied by means of Laser shadowgraph flow field showing equipment and the gas pulse-chromatography.

本文采用激光阴影法流场显示装置和脉冲—色谱气相分析仪，研究了不同气流形态下焊缝金属中含氮量的变化规律。

High technology,through the image process of inner weld seam temperature distribution to identify the tolerance between the arc center and skelp joint gap accurately and timely.

利用彩色摄象机做为温度传感器，采用热模拟技术，CAGD高新技术，通过对内焊缝背面温度场分布情况进行图象处理，从而准确、及时地识别出电弧中心与板缝合口的偏差量，经步进电机随时调整。

Apply color camera as a temperature sensor,adopt heat analog technology,CAGD etc. high technology,through the image process of inner weld seam temperature distribution to identify the tolerance between the arc center and skelp joint gap accurately and timely.

摘 要 利用彩色摄象机做为温度传感器，采用热模拟技术，CAGD等高新技术，通过对内焊缝背面温度场分布情况进行图象处理，从而准确、及时地识别出电弧中心与板缝合口的偏差量，经步进电机随时调整。

All slip-on flanges are to be double welded with both welds built up to the thickness of the nozzle neck

所有的滑套法兰应是双焊接式，且两侧焊缝厚度为接管颈厚度。

Experimental results of typical complicated space curve seams indicate that the algorithm considers optimization for both torch orientation and robot kinematics, it is relatively high in efficiency and quality, and is robust.

典型的空间复杂曲线焊缝的实验验证结果表明：算法综合考虑了焊枪姿态和机器人运动学的优化，具有较高的规划效率和规划质量，具有较强的适应能力。

So that the aim of reducing spatter and improve formation of weld is realized.

以实现减小金属飞溅和改善焊缝成形。

This paper analyses surface constitution for the weld samples of low Sn Zr 4 cladding tube by wave spectrum analytical method.

采用电子探针的波谱分析方法，对国产低锡Zr4包壳管的环焊缝试样进行表面成份分析。

Author has described the existing problems in process of design,fabrication and installation for 5 000 m3 PVC spherical tank;discussed the problems and its solution for analysis design;design change for spherical shell sector plate dimension ;weld gap exceeding the standard requirement etc.

叙述了5 000 m3氯乙烯球罐在设计、制造和安装过程中出现的问题；论述了关于球罐分析设计、球壳板尺寸设计变更、焊缝间隙超标等问题的原因和解决办法；针对球壳板制造和组装过程中出现的纵、环缝间隙问题，提出了调整安装形式的改进措施。

And if officials on the take are not parroting the opinions of these companies, what can we suppose the money they receive is for?

如果受贿的官员不鹦鹉学舌般地复述这些公司的看法，那他们所接受的钱又能用于什么目的呢？

Love them, and love you too, Pitcher.

爱他们，也爱你，投手。