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。
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。
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。
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。
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。
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。
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。
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