The fatigue life of the surface cracks of the weld toe and the central part of the welding bead are calculated.
又算出了这五种形状角焊缝趾端部和焊肉中央处的表面裂纹疲劳断裂的寿命。
The method that on-line identifies parameters of the model through the information of temperature on the welding bead surface and thus increases adaptability of model was discussed in the paper.
本文讨论了用焊道表面的温度信息对多个模型参数进行在线修正，提高计算模型的适应性。
Localized heating from the welding process and subsequent rapid cooling induces welding shrinkage stresses along weld bead during welding thin-wall plate and causes structural buckling distortions.
在薄板焊接中，由于局部加热和迅速冷却产生了沿焊缝方向的焊接收缩应力，而导致焊接薄板发生屈曲变形。
A method in which a data base and regression will be employed has been studied for predicting weld bead shape and selecting optimum welding parameters in arc welding processes.
本文研究了一种使用数据库及回归分析技术在电弧焊中预测焊道形状及选择最佳焊接参数的方法。
Using the heat of welding to vapour water, cooling rates are lowered on the weld bead and heat -affected zone.
利用焊接时的加热使水汽化，不仅使焊道而且使热影响区的冷却速度减慢。
In GMAW welding process, when the welding speed reaches a certain threshold, there will be onset of weld bead undercut defects.
在GMAW焊接过程中，当焊接速度达到某一临界值时会出现咬边缺陷，进一步提高焊接速度就会产生驼峰焊道。
The lapping amount of bead is critical not only for the trouble-free operation of three-dimensional welding, but also for the forming accuracy.
焊道搭接量对保证三维堆焊成形过程的顺利进行以及成形件的精度都有较为重要的影响。
Welding process get worse with an increase in chromium content and smooth bead turn to be discontinuous.
随铬含量的增加焊道由光滑到不连续，焊接工艺性能变差。
It easy to occur defect on the back of bead in pressure pipe TIG welding, which can be solved by using the anti, direction wire feeding method successfully.
压力管道TIG焊在焊接中焊道背部易出现缺陷，用反向送丝的方法成功地解决了这一问题。
They work particularly well in the automotive industry for welding components such as chassis and steel wheels, primarily because of their ability to provide a wide bead profile and high travel speed.
得益于其平整焊道以及高速焊接的特点，在汽车自动化工业的汽车底盘、轮盘生产中得到了广泛的应用。
Utilizing the transformation of bead metal can reduce tensile stress directly in the course of welding, even produces compressive stress, to improve the service life of welding structure effectively.
利用焊缝金属组织转变的方法可以在焊接过程中直接降低焊接残余拉伸应力，甚至产生残余压缩应力，有效地提高焊接结构的使用寿命。
In addition, to weaken the effect of double quenching on the microstructure and properties of ASTM4130 steel, multi-pass welding and temper bead should be adopted.
另外为消除二次淬火对ASTM 4130钢组织和性能的影响，应采用多层多道焊，并添加回火焊道。
When welding, insure to use a generous bead around both sides of each clamp.
焊接时，确保使用的每一个钳双方慷慨珠左右。
The shaft stick and the hanging hooks are formed by bending one steel bar or welding more than one steel bar. The non-metal roller is a ceramic bead roller or a bakelite roller.
上述轴棍与挂钩是一根钢筋弯曲而成或一根以上钢筋焊接而成，其非金属辊子是瓷珠辊子或胶木辊子。
A new process of high speed seam welding with secondary rectification for double seam possesses good weld quality, high welding speed, smooth bead and low consumption features.
双缝高速次级整流缝焊是一项新工艺，具有焊接质量好、焊接速度快、焊缝表面光洁及能耗低等优点。
This welding backing is used with all one-side processes. Especially for those which do not demand back bead cleaning.
本衬垫可用于各种单面焊接工艺的位置，特别适用于不一定要求封底焊道的场合。
All these and other developments show that welding is no longer what it was in time past, the simple matter of running a bead with a gas flame or a stick electrode.
所有这些和其他的新技术都显示焊接不再是过去那样，只用气体火焰或一根焊条焊一道焊缝的简单问题了。
The experiments show that adaptive system is excellent in controlling weld bead for aluminium alloy TIG welding.
试验结果表明，自适应控制方法可以实现对铝合金TIG焊缝成形的良好控制。
The repair welding of TA15 titanium alloy with flux is a mending method which can obtain high quality repairing bead.
采用活性剂对钛合金可以进行多次补焊并能够获得高质量焊缝。
The application of abrasion resistant bead welding in bucket teeth of excavator, shovel bucket of excavator and bucket teeth of loader was presented.
介绍耐磨堆焊在挖掘机斗齿、挖土机挖斗、装载机斗齿上的应用。
The results showed that the backside melting width can be predicted by the network model during P-GMAW bead welding the thin plate when the welding parameters were input variable.
结果表明，在P -GMAW薄板堆焊中，以焊接规范为输入变量，利用该网络模型能很好的预测背面熔宽。
In present paper, the form and mechanism of formation of out-of-plane distortion during bead-on-plate welding was studied by thermal clastic analysis with introduction of dummy element and experiment.
本文从引入虚元的热弹性板元有限元计算和试验测定两方面分析研究了平板堆焊时平面外变形的形态及产生机制。
The analysis of microstructure and XRD indicates that the bead welding is of good densification and has high combination strength.
通过显微组织、X射线衍射分析表明，所得堆焊层组织致密、结合强度高。
The analysis of microstructure and XRD indicates that the bead welding is of good densification and has high combination strength.
通过显微组织、X射线衍射分析表明，所得堆焊层组织致密、结合强度高。
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