原则上采用与焊接该焊件相同的焊材；
对于较厚的焊件，应进行频率自动控制。
For welding thicker pieces, automatic frequency control should be adopted.
用于大焊件时建议预热。
焊前必须对焊件清除铁锈、油污、水份等杂质。
Rust, oil stain, moisture and other impurities should be cleaned before welding.
它将检测焊缝位置的传感器与检测焊件高度的传感器合为一体。
It combines the sensor detecting positions of seams with the sensor detecting height of welded parts.
焊前须将焊件表面的油污及铁锈清理干净，选择适宜的焊接规范。
Cleaning the oil stain and rust of the welding surface before welding, choosing suitable welding standard.
试验结果表明焊件的疲劳寿命可以通过打磨焊缝得到改善，尤其对于高强度钢焊件。
The experimental results show that the fatigue life of steel welded joints can be improved by grinding the weld bead, especially for the higher strength steel.
振动埋弧焊工艺是一种在焊接过程中通过给焊件施加振动来改善焊接性能的新工艺。
Vibratory submerged arc welding is a new welding process to improve welding quality by applying vibration on plate.
采用有限元分析法和X射线应力测试法对铍环形焊件的残余应力分布规律进行了研究。
The residual stress of the beryllium ring weldment was studied by FEM simulation and X ray stress measurement.
焊件在快速加热和冷却过程中温度场的正确描述是焊后接头力学性能分析的前提条件。
The correct description of temperature field during welding processes for quick heating and cooling is prerequisite for analysis of stress-strain of welded joints.
并采用剖切焊件的方法对分割结果进行了试验验证，试验结果表明提出的方法是可行的。
The destructive experiments of I-shaped weldments were carried out to verify the segmentation results. The results show that the provided method is feasible.
锡焊件、铅锡合金、锌压铸件、铍青铜、磷铜等合金在电镀前也常用预镀铜来改善结合力。
Tin welding parts and lead-tin alloy die casting, zinc, beryllium bronze, phosphorus copper alloy in electroplating copper with commonly used before also gets to improve adhesion.
特别适合铜雕像修复的焊接，建议在钢材多层焊时使用脉冲电弧焊，用于大焊件时建议预热。
Particularly suitable for repair welding of bronze statues. For multilayer welding on steels, pulsed arc welding is recommended. For large work pieces preheating is recommended.
焊件中的温度场分布反映了复杂的焊接热过程，是研究焊接变形、焊后残余应力等状况的基础。
Temperature field distribution of weldment, which reflects complex welding heat process, is a basic on studying welding deformation, residual stress and so on.
接地钳，这是地面电缆的一部分，必须连接在适当的地方，直接连接在焊件上以避免杂散电流。
Earth clamps, which are part of the ground cables, must be installed closely to the welding area and directly to the material to be welded to avoid stray currents.
针对峰值异常和斜凹形异常缺陷分别提出了一个缺陷到射线穿透焊件最薄处的投影距离自动提取算法。
According to the characteristic of abnormal peak and abnormal slant-concave flaw, an automatic extraction algorithm of projection distance was presented individually.
作为非接触测温的红外测温技术，能够真实地反映出焊件在焊接工艺中的温度随时间变化的热循环过程。
The infrared measuring temperature technique as non-contact measuring temperature method can reflect the heat cycle process of the temperature change along with time of the weldment.
采用实时成像系统，对复杂结构钛合金激光焊件进行了检测，得到了含有微小缺陷的激光焊件射线图像。
Laser welding seams in titanium alloys with complex structure were detected by using real time imaging system in this paper, and the images of ray detection which contain tiny flaws were obtained.
在造船和修船的过程中由于电焊机和被焊件之间的连接不当，造成了电流对船体的腐蚀，严重时可能造成船体穿孔。
During the ship building and repairing, the electrical current will cause electrical corrosion to the hull of ship because of the unsuitable connection between the welding machine and welded parts.
焊件移动或变位机构，如焊接滚轮架，头尾架翻转机，回转平台和变位机等，精密型的移动变位机构应配伺服电动机驱动。
3 mobile or welding positioner, such as welding roller frame, frame head and tail flip machine, rotary platform and positioner, mobile precision displacement mechanism should drive with servo motor.
它通常包括以下十二类零件：螺栓、螺柱、螺钉、螺母、自攻螺钉、木螺钉、垫圈、挡圈、销、组合件和连接副、焊钉等。
Usually there are 12 categories which are bolt , stud, screw, nut , self tapping screw, wood screw, gasket, retainer ring, pin, composite member, bolting, and soldering lamp.
本文介绍了波兰产TYROS-401（631）CO_2气体保护焊焊枪易损件原件及自行改进件后的详细结构、尺寸和所用材料。
The paper introduces the detail structure material and remanufacture of the easily-worn parts attached to TYROS-401 (631) welding torch used in CO_2 welding.
这个标准涵盖采用承插热熔和对焊热熔方法对聚烯烃材料管道和连接件进行热连接的程序。
This standard covers the procedures for the heat joining of pipe and fittings made from polyolefin materials utilizing either the socket or butt fusion methods.
这些零件完好地焊在一起了。
将电弧焊设备上的接地连接尽可能近地连接到将要焊接零件的焊接点上。
Connect the ground connection of the electric arc welding equipment as near as possible to the welding point on the part to be welded.
介绍了焊片零件拉伸、冲裁多工位级进模，分析了零件的冲压工艺性，并对模具结构进行了合理的设计。
It introduced drawing, punching progressive dies for solder pieces and analyzed the processing ability of the component for stamping and punching. The structure of the die was designed reasonably.
本文介绍了该钢箱杆件的制造工艺及不需焊后矫正就能达到规范要求的变形控制措施。
Fabrication technology and deformation control measures, which can meet requirements of specifications without need of corrections after welding, for the steel box members are expounded.
本文介绍了该钢箱杆件的制造工艺及不需焊后矫正就能达到规范要求的变形控制措施。
Fabrication technology and deformation control measures, which can meet requirements of specifications without need of corrections after welding, for the steel box members are expounded.
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