This welding process, with continuous welding wire feeding, fast deposit speed and quality welding pass, is especially suitable for long distance pipeline with large diameter and thick wall.
全位置自动焊接技术的特点是，焊丝可以连续送进，焊丝熔敷速度快，焊接质量较高，尤其适用于大口径、厚壁管的焊接。
The effects of tempering weld-pass treatment on toughness of HAZ of X80 pipeline steel were studied by the technique of welding thermal simulation and the method of microscope analysis.
采用焊接热模拟技术和显微分析方法，研究了回火焊道热处理对X80级管线钢焊接热影响区韧性的影响规律。
To adopt Computer and database technology is to realize effective pass of efficiency control of welder technical file in welding enterprise.
采用计算机和数据库技术是焊接企业实现焊工技术档案高效管理的有效途径。
The paper applies the similar rule to analyze the last pass cover welding by finite element analysis.
本文采用相似准则，利用有限元法对磨机筒体最后一道盖面层焊进行分析。
It also probed into the effects of the of multitube pass structure and of the welding seams between heat exchangers and tubesheets on the stress of the tubesheets.
探讨了多管程结构以及换热管与管板焊接的焊缝对管板应力状态的影响。
Reheat treatment is authorized for rejected cylinders. Subsequent thereto, cylinders must pass all prescribed tests to be acceptable. Repair by welding or spinning is not authorized.
对于拒收的汽缸批准后在次热处理，随后此外，汽缸必须通过所有被规定的测试是可接受的，通过焊接或转动的是不被批准。
Temperature and stress fields of multi-pass welding of orthogonal nozzles were simulated.
对正交接管焊接接头的温度场和应力场进行了数值模拟。
At the same time, the technology of laser welding with hot wire addition, multi pass welding technology and dissimilar metal joints welding technology are also introduced.
同时对激光热丝焊、多道焊和异种金属焊技术进行了评述。
Welding deformations of a pipe-plate joint with holes after multi-pass welding are simulated using the thermal-elastic-plastic finite element method.
采用三维热弹塑性有限元法对管板接头的焊接变形进行数值模拟。
In this paper, a new filling strategy for multi pass welding, which can be used in robotic welding, is put forward.
提出了一种可用于机器人焊接大型V形焊接接头多道焊填充策略。
The relation between the residual stress and heated band width in multi pass welding behaves in the latter type.
多层焊形式下的残余应力与加热宽度的关系表现为后一种型式。
Blend welding seam of the flange must pass through 100% radial or supersonic echeck.
法兰的拼接焊缝须经百分之百射线或超声检测。
Angle distortion modeling and prediction with computer for heavy plate multi-pass welding are carried out during condenser fabrication for nuclear power station.
对核电凝汽器制造中的大拼板多层焊后的角变形进行了计算机预测。
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。
Half-circle model and full-circle model, fixed heat source and moving heat source, single pass and multi-pass welding are used for comparison.
比较了半周模型和全周模型，固定热源和移动热源，单道焊和多道焊下的分析结果。
Half-circle model and full-circle model, fixed heat source and moving heat source, single pass and multi-pass welding are used for comparison.
比较了半周模型和全周模型，固定热源和移动热源，单道焊和多道焊下的分析结果。
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