Renewal of qualification may be made for any process by welding a single test coupon of either plate or pipe, and by testing of that coupon as required by QW-301 and QW-302.
如需重新获得资质，则该焊工需要遵照QW- 301和QW - 302的要求，在一个板材附件试片，或一个管材附件试片上，进行焊接试验。
When there is no existing qualified WPS for a particular welding, the Production Dept. shall prepare test coupons for WPS qualification.
如果特定焊接操作，无经检定的焊接程序规范做指导，则生产部应准备附体试片，进行焊接程序规范检定。
Test results indicate that compound process of laser welding can remarkably improve weld penetration and welding speed, therefore low power laser welder can be used for aluminum alloy welding.
试验结果表明，激光焊复合工艺可以显著提高焊缝熔深和焊接速度，从而实现采用小功率激光焊机实现铝合金激光焊接的目的。
Meanwhile the optimal welding parameter which was suitable for welding line impact toughness was gained by analysis on the test result of impact toughness and microstructure.
通过对冲击韧性的测试结果与微观组织的分析，确定出使焊缝冲击韧性最佳的焊接工艺参数。
The bending test is the necessary inspection item of titanium plate and welding joint for the manufacture of titanium vessel.
冷弯试验是钛容器制造中对铁板和焊接接头的必保检验项目。
After visual inspection and metallographic test, analysis and discuss the welding zone cracking reasons for 6061 and A7003 aluminum alloy thin-walled tube after TIG (argon shielded arc) welding.
通过宏观及微观检测，分析了6061铝合金管及A7003铝合金薄壁管经TIG(氩弧)焊后的焊接区开裂的原因。
The rapid analysis method of welding quality, acid washing test, for the longitudinally high frequency welded pipe is introduced.
介绍了一种快速分析高频直缝焊管焊接质量的方法——酸洗试验。
This study made a localized full-condition simulation test and safety estimation for site repairing welding of a damaged boiler vessel tube.
本文对某电厂锅炉汽包损坏短管的现场修复焊接工艺以局部试样全条件模拟方法进行了焊接试验分析及其安全性论证。
High quality welding material and suitable welding parameters were used for the welding procedure qualification test results fully meeting the requirement of the product manufacturing specification.
采用了高质量焊接材料和适当的焊接规范参数范围，焊接工艺评定试验结果完全满足产品制造技术条件要求；
Welding test of the products has shown that penetration of the lap weld can be controlled in required tolerance for design using the control system.
产品焊接试验表明它可以使搭接焊缝熔深控制在产品设计要求的范围之内。
Based on the introduction of principle and method in infiltration test of welding line, the standard is put forward for quality evaluation of joint construction in prestressed concrete pipe pile.
在介绍焊缝渗透探伤的基本探伤原理、方法及测试步骤的基础上，给出预应力砼管桩接桩焊缝的质量评定标准，并建议在管桩的施工中渗透探伤法可作为质量控制的常规检验手段。
Test results show that the controlling system works well to control the waveform current output and meets the need of TIG welding for aluminum-alloy.
试验结果表明：系统设计合理，输出电流的波形可控，完全能够满足铝合金TIG焊的工艺要求。
In the same time, a calculating formula of welding flat cover special for hydraulic test is deduced by setting certain safety coefficient of hydraulic test.
同时通过对试验压力取一定安全系数，推导出液压试验专用焊接平盖的计算公式。
This paper studied mainly multi-T joint test data. By analysis test data, gave experience equation for transverse distortion of T-joint welding structure.
本文重点分析了多个T形接头焊接的工艺试验结果，通过对试验数据的分析，得出了对T形接头焊接构件的横向变形的经验公式。
A logarithm mathematical model is used to analyze 702 CVN impact test data and by means of regression, a general equation is obtained for bridge steel and welding seams.
对702个CVN冲击试验数据应用对数数学分析模型进行回归，得到桥梁钢和焊缝的通用计算表达式。
For arc ultrasonic excitation, both the continuous and the pulse signal was separately applied to the test system including a conventional arc welding circuit.
在常规弧焊回路中采用了连续波和脉冲敲击式等不同的激励方式获得电弧超声信号。
To draft the chemical composition, rolling system of wire rods for welding wire for test, and the heat-treatment and drawing system for welding wire production.
拟定了试验用焊丝盘条的化学成分、轧制制度，以及焊丝生产的热处理和拉拔制度。
The welding quality test and performance assessment for pipes become more and more important with the application of engineering plastics pipe.
随着工程塑料管道应用的不断深入，管道的焊接质量检测及其性能评定成了一个重要的问题。
The manufacture, test and check & acceptance for these vessels are performed according to the technical terms for the steel welding vessels issued by the Ministry of Machinery.
容器的制造、试验和验收均按机械部钢制焊接容器技术条件执行。
A tester is developed for the hyperbaric welding of underwater pipeline. It consists of a regulating gas storage, a hyperbaric test tank, a verifying-gas tank, and a control and monitor system.
研制了一套水下高压焊接试验装置，该装置由配气储罐、高压试验舱、气体环境检验舱、监控系统等部分组成。
The project position of welder qualification test for long transporting pipe depends on vertical down welding basically, which is namely fixed pipe with axis horizontal welding (5gx).
长输管道的焊工考试项目位置基本以向下焊为主，即水平固定全位置焊(5gx)。
According to the standard's requirements, test piece for qualification of welding procedure and for product welding should be carried out various bending test.
焊接工艺评定试板和产品焊接试板，按标准要求都要进行弯曲试验。
The test shows that the major technology parameters of influencing welding quality are accelerate voltage, beam current and welding speed. Besides, other factors, for example, edge con...
经过试验得出：影响焊缝质量的主要工艺参数是加速电压、束流、焊接速度，其他因素，如带材的边部条件等对焊缝的质量也有影响。
The effective thermal input of pulse flash process is large, it can help reduce the drop weight test fracture of flat spot, which is suitable for welding U75V rail.
脉动闪光工艺的有效热输入大，有利于降低落锤断口灰斑，适合焊接U75V钢轨。
Study on electrode life test for spot welding hot dip galvanized steel by method of surface titanizing;
对钎头胎体表面渗硼方法和工艺进行了实验研究，给出了有关工艺参数与方法。
Study on electrode life test for spot welding hot dip galvanized steel by method of surface titanizing;
对钎头胎体表面渗硼方法和工艺进行了实验研究，给出了有关工艺参数与方法。
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