Low melting point and good liquidity to base the welding deformation is small.
低熔点及良好的流动性使母材焊接变形很小。
Therefore, it is necessary to forecast and control the overall structure of the welding deformation.
因此，预测并控制整个结构的焊接变形量是有必要的。
The welding deformation can seriously affected the quality, erection and using performance of steel structure.
焊接残余变形会严重影响钢结构的质量、安装及使用性能。
The welding deformation not only have bad effect on the good appearance, but also can result in all kinds of weld cracks.
焊接变形不但影响美观，还可能会引发各种焊接裂纹。
There are many factors that can result in the welding deformation, like welding procedure or residual stress of the material.
引起焊接变形的因素较多，有可能是焊接工艺引起，也有可能是材料本身残余应力引起。
This paper introduces the measure, welding method and inspection result to prevent the welding deformation formation of spiral-seam pipe header after tapping.
介绍了在螺旋焊缝汇管上焊接支管时的防变形措施、焊接方法和检验结果。
In this paper, each welding residual stress fields and the welding deformation simulation result of the rear fork structure were given and quantitatively analyzed.
本文给出了各自的焊接残余应力场和平叉结构的焊接变形的模拟结果，并对其进行了定量分析。
At the same time, analyze the welding deformation of straight-line segment model of side rail, and compare the results with test data, verify this method is efficient.
同时，针对汽车纵梁部分直线段模型进行焊接变形分析，并与试验数据进行了对比，验证了该方法的有效性。
Following a theoretical analysis of the welding process of metal structure, a computer program for the calculation of the welding deformation is described in this article.
在对金属结构的焊接过程进行理论分析之后，本文介绍了焊接变形计算的计算机程序。
The super radial gate for the Hongjiang Hydropower Station has many welding joints so that it is big in welding deformation and difficult to control the welding deformation.
洪江电站超大型弧形闸门焊缝较多，焊接变形较大、焊接变形控制困难。闸门制作中，利用多种焊接变形控制技术，对闸门制造全过程焊接进行了跟踪和研究。
By this way, the welding deformation and the filler metal can be decreased to minimum. However, the weld quality is high, the good economic benefit is achieved at the same time.
采用此方法，产品的焊接变形小，填充金属少，焊缝质量高，取得了良好的焊接质量和经济效益。
The welding deformation and residual stress during the procedure of the welding of the submarine's spherical stem bulkhead are a very important guideline on the submarine's safety.
潜艇球面艏端隔壁结构在工程焊接过程中产生的焊接变形及残余应力是关系到潜艇安全的重要指标。
Controlling on grid welding deformation and welding stress are the key problems for assuring grid quality.
控制网架的焊接变形与焊接应力是保证网架质量的关键之一。
This paper describes the methods of controlling the frame quality in terms of process design, mould design, control of deformation and defects from welding surface treatment, etc.
从工艺设计、胎具设计、控制焊接变形和缺陷、表面处理等各环节实行严格的品质控制，多年来生产出多种型号的车架全部为合格品。
Thermal-elastic-plastic and inherent strains FE methods are two means, which have been applied to the prediction of welding deformation.
热弹塑性有限元法和固有应变法是焊接变形预测的两种主要数值方法。
The notch welding stress and the collapse-deformation of steel container directly affects the welding quality and service life of the container.
钢制容器人孔的焊接应力及塌陷变形，直接影响容器的焊接质量和使用寿命。
Describing the factors affecting welding spares deformation, deformable harm to the spares and methods to control deformation in the manufacture of valve industry.
论述了阀门工业生产中，影响焊接零件变形的因素，变形对零件的危害，以及控制变形的方法。
Some methods used in the control of welding deformation, such as reverse deformation, system analysis, controlling process parameters and temperature field, are introduced.
同时介绍了控制焊接变形的几种方法，如反变形法、控制工艺参数、控制温度场以及系统综合分析等。
During the process of shipbuilding, deformation of plentiful welding components makes against precision control of ship construction, which affects the quality of ship construction.
在船体建造过程中，大量焊接构件的变形不利于船体制造精度的控制，从而影响到船舶建造的质量。
The usual prediction methods of welding deformation include experimental method, analytical method, numerical method and equivalent load method, and the latter two methods are more commonly used.
焊接变形分析方法包括实验法、解析法、数值分析法、等效载荷法等，常用的是后两种方法。
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 welding technics, the measure for controlling welding quality and deformation are described mainly.
重点叙述了该结构的焊接工艺及焊接变形、焊接质量的控制措施。
The causes of deformation in welding of transformer tank and precautionary steps are expounded in this paper. Its correction methods are introduced.
分析了变压器油箱焊接时变形产生的原因，提出了预防焊接变形的措施，介绍了焊接变形的矫正方法。
The joint deformation of DC upset butt welding was studied by using theory of plastic deformation and rigid-viscosity plastic material model.
采用塑性变形理论和刚粘塑性材料模型研究了直流电阻对焊接头的塑性变形。
Nevertheless if proper welding process measures are taken, the said deformation can be reduced significantly.
采取适当的工艺措施，可大大减少箱形梁的焊接变形。
According to the plate butt welding of A105 steel, the transverse deformation was real-time measured during welding.
通过A105钢的平板对接试验，对焊接过程中焊接横向变形进行实时测量。
Wind cooling accelerated elimination of heat dissipation, and controlled temperature which made welding transverse contraction deformation and the residual stresses decrease.
气冷的方法，可以使试样散热更快，达到控制温度的目的，同时也可以减小焊接残余应力和焊接横向收缩变形。
This paper studied the effects of weld pool surface deformation on welding arc behavior characters basing on unified arc pool mathematical model.
在电弧与熔池统一模型的基础上研究熔池上表面变形对电弧行为特征的影响。
The melting deformation area is dependent on the energy heating the contact surface, the meterial parameters and the deformation is identical with the welding probability.
探明了熔化变形面积与接触加热能量及材料性质参数有关且其变形大小与静熔焊概率大小一致。
The melting deformation area is dependent on the energy heating the contact surface, the meterial parameters and the deformation is identical with the welding probability.
探明了熔化变形面积与接触加热能量及材料性质参数有关且其变形大小与静熔焊概率大小一致。
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