焊口

SG410t／h锅炉省煤器管根部焊口拉裂的原因分析

Pull-cracks at Root Weld Joints of Economizer Tubes on SG410t / h Boiler

焊口X射线检测一次合格率为97.3%，超声波检测一次合格率为99.4%，工程投产一次成功。

The qualified rate for the first X ray inspection of welding seams is 97.3 % . For ultra-sonic inspection , the rate is 99.4 % . The project went into operation successfully on its first run .

共焊接X70钢D1016mm焊口1252道，焊接一次合格率95%，同时在300道实验口焊接施工中创下了X射线、超声波检测连续百道口100%合格的施工纪录。

It has make a construction record that the qualification rate of continued one hundred welding joints is 100 % with X ray & ultrasonic inspection among 300 experiment joints welding construction .

50MW氢冷发电机转子绕组接头焊口开裂现象的分析

Reason analysis making rotor winding joints open of 50 MW hydrogen-cooled generator

焊接辅助机器具与焊口质量和效率的关系

Dependency of Welding Quality and Efficiency on Welding Auxiliary Equipment and Tools

对小径管焊口缺陷评定方法的探讨

Discussion on Evaluation of Defects in Welds of Small-sized Tubes

矿用圆环链焊口缺陷传感器的研制

A Detector for Weld Crater Defects of Ring Chains in Mining Industry

102钢焊口粗晶区性能对产生再热裂纹的影响

Effect of Coase-grained Region Feature of 102-steel Welding on Formation of Reheat Crackes

输油管线螺旋焊口断裂失效的力学分析

Mechanical analysis of the rupture failure of helical-weld pipe

公司产品性能稳定，刀刃锋利，焊口牢固，经久耐用。

Product performance is stable , sharp blade , welded joints strong , durable .

再热器穿顶棚梳形密封焊口开裂原因分析

Cause analysis of welded seam cracking for comb-shaped seal passing through the roof of reheater

高温过热器制造焊口裂纹的成因分析

Analysis of the Causes for Cracks on the Welding Joint in High Temperature Super Heater

高压加热器管子&管板焊口泄漏问题的探讨

A Study of the Leakage Problem in Welding Joints of Tube-Tubeplate of High-Pressure Heat Devices

电站锅炉受热面管子安装焊口焊接缺陷的产生及预防

The Emergency and Prevention of Jointing Defects in the Installation of Power Station Boiler Heating Surface

环形焊口处覆盖层的性能与表面处理质量的优劣有直接关系。

The property of coating at girth weld has direct relationship with quality of surface treatment .

再热器穿顶密封结构焊口开裂分析及对策

Analyzing and Countermeasures for Welded Joint Fracture on the Sealing Structure of the Reheater through Superheater

西柏坡发电厂~1机主汽疏水管焊口裂纹分析

Analysis of Crack of Weld on Main Steam Piping Drainage of Unit 1 in Xibaipo Power Plant

电厂再热器小径管焊口的厚度对其应力集中的影响

Effect of Different Welding Seam Thickness of Stress Intensity of Small-Diameter Tube on Reheater in Coal-burning Thermo-Electric Factory

给出了这些管段焊口的坡口形式、焊接方法、焊接材料、焊接工艺参数及实焊工艺程序。

The groove shapes , welding methods , filling materials , procedure parameters and concrete welding sequence are provided .

给出了数值解法计算模型，研究了焊口厚度对焊口应力集中系数的影响。

The result shows that stress intensity factor of calculated object decreases with increase of thickness of welding seam .

该补口机具有摄像观察功能、高效除锈功能和焊口内涂层补口功能。

The machine has the video camera observing function , the effective rust removing and the welding internal joint coating .

使用时，将其安装于管道内壁焊口处即可。

While in use , the utility model can be installed at the welded junction of the pipeline inner wall .

双壁双投影法透照椭圆一次成像在小径管焊口缺陷评级中的使用

Defects ' gradation of welded seam for small-diameter tubes by using dual-wall and dual-projection method for imaging transmission ellipse at a time

桥电六期4~炉高温再热器管焊口裂纹的检出及分析

4 ~ # Boiler High Temperature reheater weld 's crack checks and analyZes in the sixth Phase of QiaoTou Thermal Power Plant

结合某电厂锅炉再热器集箱小径管的焊口，将实际问题理想化为符合实际的力学模型，分析了采用有限元法来求解该力学模型的必要性。

The welding parts of of small diameter tube of reheater in a thermo - electric factory were calculated by finite element methods .

上模为中部开有锥形焊口的铜制模块，焊口位置与底模熔池对应。

The copper-made die block in which a conical welding opening is bored is arranged on the middle part of the upper die .

工程上，为了使钢管相贯处焊缝均匀，焊接可靠，需要将钢管的焊口准确切割成型。

In engineering , in order to make the weld line even and reliable , it is needed to cut the weld opening accurately .

矿用圆环链焊口缺陷漏磁特性的分析及信号处理的研究

Analysis and Research of the Characteristic of Magnetic Field Leakage of Weld Defects in Chain Link Used in Mines as Well as its Signal Process

详细介绍了在斜面焊口超声波探伤中采用声程调节扫描比例进行缺陷定位的计算方法，并给出了计算公式。

Method of calculation of defect site by ultrasonic inspection of indined plane welding has been described in detail , and formula have also been proved .

介绍了焊接一次合格率、当量焊口、当量焊接合格率等概念及其计算方法。

This paper introduces some concepts and calculation methods , such as primary qualification rate of welding , equivalent welded joint and qualification rate of equivalent welding .