RMD refers to short arc control technology, which is patented with precision control pulse technology and traditional gas shielded welding and core self-shielded welding. It can realize all processes of pipeline welding and is very suitable for construction work in the field.
As an over-precision control technology for short-circuit, RMD can change the welding current and voltage in time by detecting the occurrence time of short-circuit current, which becomes a dynamic control technology. RMD welding technology can replace the traditional TIG welding (inert gas tungsten welding) without the use of cellulose electrodes, making the advantages of wire welding.
The root welding using RMD technology not only has good fusion performance, but also can achieve filling with large and small gaps, and the bead forming is more beautiful. The RMD welding technology applied to the root welding process produces relatively small splashes, which ensures the cleaning of the internals of the pipes while reducing the rooting process. At the same time, welding a welded joint, the RMD pipe welding technology saves half of the time compared with the traditional root welding technology, greatly improving Construction efficiency. The use of RMD welding produces few joints during the root welding process, reducing the chance of weld defects and improving the quality of the weld.
Pipeline II Company first quoted RMD pipe welding technology for the construction of large diameter pipelines in the West Second Line, and successfully welded 171 passes. The qualification rate of welding inspection reached 100%.
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