Orbital welding technologyor in small diameter

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31/3/21
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Orbital welding technology (ng nghệ hàn orbital hay hàn quỹ đạo) là quá trình hàn đường ống, quá trình hàn được thao tác chuyển động tròn 360 độ và liên tục quanh vật mẫu gia ng nhờ điện cực được quay tròn qua kết cấu cơ khí dạng kẹp.


small diameter pipe is a round pipe with a diameter of 38mm or less, the type of pipe that is widely used in industry. orbital welding technology is a hot melt welding method in which the end faces of the pipe are melted by an arc, they flow into each other and fuse without the addition of 3rd party materials.



the size range for fusion orbital welding is od 3.2mm - 177.8mm, of which the common size is 6.3mm x 0.9mm thickness used for semiconductor gas pipelines. the welding heads in this case are all closed and form a sealed chamber filled with inert gas during the welding process to avoid oxidation inside the pipe.



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each weld end is compatible with a wide range of sizes, which is accomplished by changing the pipe clamps to match the diameter of the pipe on both sides of the end of the pipe to be welded or equal to the smaller diameter. moreover, one can change the assembly of the pipe clamp structure.


orbital welding entered practice in the us in the early 1980s, with the development of a controller that ran on 110v power and was small enough to be moved on site. this power supply provides precise control of welding parameters, making it possible to achieve a high degree of repeatability from weld to weld. newer microprocessor-based controllers and soldering programs list welding parameters for each size of pipe or fitting, which are stored in controller memory and called up when a size is requested.


Xem thêm: What is Orbital Welding Technology | Orbital Welding Technology
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