A control system of a butt fusion welding machine for PE pipe is introduced in this paper.
介绍了一种聚乙烯管道热熔焊机控制系统。
The fusion welding, arc erosion mechanics and corrosion mechanics of Ag-W contact are also discussed.
对银钨触头的熔焊特性、电弧侵蚀机理以及腐蚀机理进行了探讨。
Features are: high capability of anti fusion welding, high breaking capacity, and low diversion closure value.
因此本发明抗熔焊能力强、分断能力强并且截流值低。
Because of the high activeness of the titanium alloys, the inert gases or vacuum shielding is needed in fusion welding.
由于钛合金的活性强，熔化焊时需要用惰性气体或真空进行保护。
The research status of welding of magnesium alloys by fusion welding and solid - phase joining at home and abroad is summarized.
综述了近年来国内外镁合金在熔焊连接和固相连接两方面的研究现状与进展。
The heat of fusion welding is generated in several ways, depending on the sort of metal which is being welded and on its shape.
熔焊的热度有几种来源，取决于被焊金属的种类及其形状。（注重的是翻译出语言的简练）
The experiment shows that fusion welding reinforcement could proceed on the surface with crack of the die after crack arresting.
脉冲放电止裂后，可对带有裂纹的表面进行强化处理。
Crystallinity, hardness, tensile strength and impact toughness of fusion welding joint of polyethylene pipes are tested and analyzed.
测试和分析了聚乙烯管道热熔对接焊接头的结晶度、硬度、拉伸性能和冲击性能，并与基材的性能进行了比较。
A new view of characteristic zone of fusion welding joint is put forward through observations and researches of many fusion welding joints.
通过大量的熔化焊接头试样的观察和研究，提出了熔化焊接头特征区域划分新方案。
Impact strength of fusion butt welding joint of polyethylene pipes was tested with a digital impact tester, and some actual fusion welding cases were commented.
应用仪器化冲击试验机对聚乙烯热熔对接焊的冲击性能进行了测试，并对几种实际焊接情况进行了分析。
In this paper, a novel functionally gradient material manufacturing method which is based on directly metal forming technology of fusion welding buildup is studied.
本文研究了基于堆焊的直接金属成型技术用于梯度材料零件制造的新方法。
Parameters of butt fusion welding of plastic pressure-pipe are different for varying pipe diameters and ambient conditions, and it is also affected by personal factor.
塑料压力管道热熔对接焊的工艺参数随管道尺寸和环境条件的不同而不同，同时还受人为因素的影响。
According to the different product structure, butt fusion welding process and lap seam welding process are used to respectively weld left and right half shell of upper body.
上体左、右半壳直焊缝视产品结构不同，分别采用对接熔化焊和搭接缝焊工艺。
Theories for butt fusion welding are briefly discussed, and elements of automatic butt fusion welding machine, their main function, and implementation method are briefly analyzed…
本文还分析了塑料压力管道热熔对接焊的基本原理，并详细地介绍了热熔对接焊机的基本组成部分以及各部分的主要功能和实现方法。
Professional supply schneider LC1D ac contactor. Low consumption, long life, safe and reliable, energy saving, high quality silver contact, high fusion welding and electrical wear resistant ability.
专业供应施耐德lc1d交流接触器。功耗小、寿命长、安全可靠、节能、优质银触点、高抗熔焊及耐电磨损能力。
EN ISO 287-1 Qualification Test of Welders-Fusion Welding-Part 1: steels.
ENISO 287-1焊工资质测试—熔焊—第一部分：钢材。
Therefore, the study of Butt Fusion Welding automation devices is necessary.
因此，研究热熔对接焊的自动化装置具有重要意义。
The laser-arc hybrid welding can improve the depth of fusion, welding speed and assembly gap, so it is a new and promising thermal source for welding.
激光-电弧复合热源焊接可以增大焊接熔深，提高焊接速度，增大装配间隙，是一种很有前途的新型焊接热源。
The laser-arc hybrid welding can improve the depth of fusion, welding speed and assembly gap, so it is a new and promising thermal source for welding.
激光-电弧复合热源焊接可以增大焊接熔深，提高焊接速度，增大装配间隙，是一种很有前途的新型焊接热源。
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