The welding technology used for preheating flash butt welding was evaluated for workpieces with large welding section.
针对大截面工件的闪光对焊工艺特点，确定了预热闪光焊的焊接工艺。
Perform monitoring, inspection and quality control at in-house and sub-contractor steel fabrication and welding section .
在工厂内及分包商处监督并检查钢结构和焊接工作的质量。
These models not only establish a basis for the forecasting of welding section form, but also furnish a basis in the designing of welding process parameters.
为焊缝截面形态的预测及焊接规范参数的设计提供了依据。
It showed that the weld cross section with both laser welding processes transformed from nail shape to near X shape with increase of laser power and decrease of welding speed.
结果表明，随激光功率增大和焊接速度降低，复合焊与单一激光焊焊缝的横截面形貌均由钉形向近X形转变。
To solve the problem of the variety of the main rod's size after welding to adjustable tower crane standard section, because of the difference of the material batch, a novel approach is proposed.
针对塔式起重机标准节主弦杆因材料批次不同焊接后尺寸不同的问题，提出对塔式起重机标准节主弦杆焊胎的改进方法。
Bed frame: Uses the high quality section welding formation, the superficial static electricity spurts models, reliable durable, elegant appearance.
床架：采用优质型钢焊接成型，表面静电喷塑，牢固耐用，美观大方。
The frame of mast derrick that is designed for hydraulic wheel tractor hoist adopt welding of armor plate, its section is oblong armor plate, and its material is HG60.
为满足液压轮式通井机的使用要求而设计的桅杆式井架采用板焊结构，主体截面为长方形的方形钢，材料为HG60。
So for thick-walled double channels with welding composite section, the combined effects of the cold-formed and welding residual stresses shall be considered to assure the stability bearing capacity.
因此，对厚壁双冷弯槽钢焊接组合截面构件而言，确定其稳定承载力时应考虑焊接残余应力和冷弯残余应力的共同影响。
The welding thermal cycle and section dimensions of the welding seam were measured in the condition of the simulated welding process parameters for checking simulation results.
采用模拟时的焊接工艺参数进行钨极氩弧焊平板对接焊，测定焊接热循环曲线和焊缝截面尺寸，对模拟结果加以验证。
There are four phases and dozens of parameters in preheating flash butt welding technology used for great section workpiece's welding.
用于焊接大截面工件的预热闪光焊工艺包括四个阶段。
Using a 1/16" drill bit, drill a hole in the middle of the cross section tube above. This will allow gas to escape during welding."
使用1 / 16“钻头，钻一个孔在上面管中间的横截面。这将使天然气逃脱焊接过程。
The longitudinal cracks along bond line and the transverse cracks which cut across the weld metal cross section inside weld metal were formed, while X65 pipe line steel was welding.
X65管线钢在焊接过程中，内侧焊缝金属出现横向和纵向沿熔合线方向的裂纹，横向裂纹贯穿焊缝金属横截面。
The control section of relay is adopted the welding structure of printed circuit board, it reduces wiring of control box, improves reliability of electric control.
继电器控制部分采用印刷板焊接结构，减少了控制箱的接线，提高了电器控制的可靠性。
The Control section of relay is adopted the welding structure of printed circuit board, it reduces wiring of control box, improves reliability of electric control.
继电器控制部分采用印 刷板焊接结构，减少了控制箱的接线，提高了电器控制的可靠性。
The weld defects of incomplete fusion and burn through always occur when the electro-slag welding is used between the outside thin metal plate and the inner clapboard in a box-section member.
箱形截面构件薄壁板与内隔板电渣焊接时，易产生壁板烧穿和焊缝未熔合现象。
The completion of welding the faceplates to the cross-members finishes this section.
焊接完成的成员面板的交叉结束本节。
The studying results indicate that the magnitude and distribution of residual stress are related to the heat input created by welding process and to the cross section geometry.
分析结果表明，厚板焊接工形截面残余应力的大小及分布，除了与焊接输入热量有关外，尚与截面几何尺寸有关。
The main factors influencing metal transfer are the component of flux, the shape of wire section, the diameter of wire, the thickness of the steel stripe, and the welding parameters.
影响熔滴过渡的主要因素是：药芯组成物、焊丝截面形状、焊丝直径和钢带厚度以及焊接工艺参数等。
It requires high level for manufacturing technology and welding deformation control because the structure of cross-section is special.
十字形断面柱的结构特殊，对制作工艺及焊接变形控制要求较高。
The argon arc welding process after replacement of intercooler cooling section was presented. The welding feature and weldability were analyzed.
介绍了中冷器抽换散热单节的氩弧焊接工艺，分析了中冷器抽换散热单节的焊接特点以及焊接性。
It was examined that the dynamic peculiarity, the welding line flaw, the size of steel member section and the rusty phenomenon of an existing municipal steel-box girder bridge.
对某在用市政钢箱梁桥的动力特性、焊缝缺陷、应力和变形、钢构件截面尺寸和锈蚀情况进行了检测，按规范要求验算了结构的整体稳定和局部稳定。
Affected by the geometry of box-section, the residual stress distribution of plate with welding passes is different from that of another plate.
受厚板截面本身的几何形状所影响，箱形截面有焊缝一侧壁板与另一侧壁板残余应力分布及大小有明显的不同。
Cold-formed steel cross section on the residual stress distribution is curved, and hot rolling steel or steel section on welding residual stress distribution is a thin film type.
冷弯薄壁型钢截面上的残余应力分布是弯曲型的，而热扎型钢或焊接型钢截面上残余应力分布是薄膜型。
The high frequency welding H-section steel has properties of broad and thin section component. Its higher axial lateral resistance capacity forms rigid frame.
高频焊接H型钢具有宽肢薄腹构件的特征，其强轴方向具较强的抗侧能力，形成刚性框架。
Aiming at the characteristic of the welding rapid prototyping, a whole hatching and scanning algorithm of the complex section area is presented in the paper. In the algorithm.
本文针对熔焊快速成型技术的特点，在对其截面填充的过程与轨迹规划详细研究的基础上，提出了一整套适合熔焊快速成型的截面填充算法。
When welding current is fixed, some important information such as length and section area of welding cable, connection of ground wire can be shown by output voltage of instantaneous arc-striking.
在焊接电流确定的条件下，引弧瞬间的焊机输出电压反映了焊接电缆长度、截面积以及地线连接情况等重要信息。
Study on the properties of welding line near line section aluminium lithium alloy 1420 by Russia scholar is introduced.
主要介绍了俄罗斯学者关于铝锂合金1420焊缝近缝区性能的研究点滴。
Taking a boom with box section as an example, this paper introduces some accessorial methods that are different to the routine welding technique.
以箱形截面吊臂为例，介绍其焊接工艺及焊接前后的辅助处理方法。
This section will introduce the concept of Fracture Mechanics and initiation and growth mechanism of fatigue cracks, in particular, fatigue crack developed from welding defects.
本节将介绍结构断裂力学概念，礼炮裂纹的起始和生长机理。尤其是从焊接缺陷开始的疲劳。
Take welding from middle to both ends step by step may have the least deformation, or take welding from one section to another step by step may also reduce the deformation.
从中间向两端逐步退焊法变形最小，采用逐段跳焊法也可以减少变形。
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