增加施焊时的顶锻压力。
施焊位置应标注炉管号、焊缝号、焊工号。
The furnace pipe number, welded joint number and weld worker Numbers...
严禁装上阀门后施焊法兰·法兰两边加石棉垫片。
Forbid welding the flange after installing the valve. Both sides of the flange should be added the asbestos gasket.
分析了施焊中常见的焊接缺陷、成因及预防措施。
The welding flaws, cause of formation and preventive measures are analyzed.
介绍了坡口加工、焊前清理和上下塔对接施焊进程。
Groove preparation, cleaning before welding and butt welding construction of ther tower were showed.
给出了产品施焊中对施工现场、设备及产品检验的具体要求。
Give the detail requirements for welding spot, welding equipment and product inspection during welding.
每焊完一遍之后，要认真清渣，发现缺陷，及时清除后，再继续施焊。
在多层焊的过程中，采用对称施焊的方法得到的焊接残余拉应力峰值是最小的。
In the multilayer welding process, the method of symmetry welding gets the minimum residual tensile stress.
采用碱性药皮焊条和焊前接头预热的施焊方法，焊接的空间管道接头热应力小。
For overhead pipeline, welding with basic-compound coated electrodes and pre-welding heating of the joint will reduce the joint thermal -stress.
对焊接、检验人员及炉管和焊材必须有专门的要求，应建立相应的施焊管理制度。
The persons of welding and examining, the furnace pipe and the welding material should accorded with the special demands, and the management system should be set up.
4管道的施焊环境若出现下列情况之一，而未采取防护措施时，应停止焊接作业。
If following situations happen in construction site for welding of pipeline and no protective measure are taken, welding operation shall be stopped.
未熔合的防止采用较大的焊接电流，正确地进行施焊操作，注意坡口部位的清洁。
C,. Incomplete fusion prevent adopting greater welding current, use correctly to weld the cleaning of operating, notice groove position.
通过分析得出其合理的T型接头形式和施焊方法，为压力容器中此类焊缝的焊接提供参考作用。
The reasonable joint shape and welding process are obtained, whi ch is to provide better reference for the welding technology of this seam.
文章针对现场焊接工艺和技术措施做了较详细的阐述，对镍基合金材料现场施焊有一定参考价值。
The paper expounds the concrete welding technique and technical measure in detail, and has certain reference value to nickel-based alloy material's field weld.
根据不均匀的焊接温度场和施焊时焊接构件的刚性条件，可以认为焊接残余变形和残余应力是不可避免的。
According to the asymmetry welding temperature fields and the rigidity of component when welding, we could think it is inevitable that welding would bring remains-strain and remains-stress.
该系统根据CO2焊短路过渡特点，对焊接电流进行较为精确的控制，并给出了该系统实际施焊时的电流电压波形。
According to the character of short-circuit transfer, the welding current was accurately controlled by this system, and the real welding voltage and current waveform was given.
介绍了对油泵机缸体铝锰合金铸造件缺陷补焊修复的技术工艺，且弥补了若采用交流氩弧焊和气焊施焊时存在的不足。
This paper introduces the repair welding procedure for repairing an alumal casting piece of an oil pump cylinder, This method covers the shortages of AC argon arc weld and gas welding.
分析研究紫铜换热器的结构特点、性能、焊接缺陷与产生原因，以及防止与消除其缺陷、优化制造施焊质量的工艺措施。
The features and welding defects of red copper trans-heat equipments and the causes to the defects are analyzed. Also, methods of defects prevention and welding optimization are discussed.
这种新方法需要一种专门的高效率的机械装置。对接坡口焊是一种连接迅速的施焊工艺，它可以有效地保证金属盖板的胀缩。
The welted joint, executed in this way, is a rapid means of jointing and effectively allows for expansion and contraction of the metal covering.
试验采用钨极氩弧焊对接焊形式对BT 20钛合金施焊；焊接接头的塑性变形试验在油压机上进行，变形过程中采用了双保温措施。
BT20 titanium alloy is welded with butt welding on GTAW machine... Experiment of plastic deformation is done on press and double heat preservation measure is used during plastic deformation.
试验采用钨极氩弧焊对接焊形式对BT 20钛合金施焊；焊接接头的塑性变形试验在油压机上进行，变形过程中采用了双保温措施。
BT20 titanium alloy is welded with butt welding on GTAW machine... Experiment of plastic deformation is done on press and double heat preservation measure is used during plastic deformation.
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