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Non-uniform compression narrow gap welding flux cored arc


Applications and technological advances will have a very important significance of the wife,[link widoczny dla zalogowanych], as the technology giant Chang Fu-4: Non-uniform compression Xiang flux cored welding power between strong narrow gap in the narrow field of welding has the following significant advantages. (1) technology to overcome the swing arc welding equipment, technology and materials to bring the complexity and reliability reduce the disadvantages of the new narrow-gap welding equipment and technology more simple and reliable. (2) FCAW splash low, stable arc welding for various materials, the metallurgical performance, high crack resistance, high deposition rate, and welding and low cost. Meet all position welding. The technical advantages in the narrow gap welding,[link widoczny dla zalogowanych], narrow gap welding technology will enable economic advantage more pronounced. (3) can be deposited very flexible use of control technology to control heat input on the workpiece. Line can guarantee energy in the 15kJ/cm the following conditions, a large slab of high-quality welding. This applies in particular heat-sensitive high-strength steel. (4) is very smooth and significantly concave (see Figure 5) weld Qi. Shape. Extremely beneficial to prevent the sidewall fusion, slag and other defects. Figure 5 narrow seam between the European macro-photos (5) single-pass weld shape factor usually in 2 to 3 above. Solidification cracking can be effectively curbed. (6) the use of swing-free technology,[link widoczny dla zalogowanych], making the groove gap and fill an area smaller, more conducive to improve welding productivity and reduce welding costs. (7) The combined gas and efficient protection of slag, weld metal surface was bright silver luster,[link widoczny dla zalogowanych], helping improve the toughness of the weld plastic. 4, the narrow gap clearance slag flux cored wire with the ordinary. Welding Zha about 0.5mm thickness covered with a layer of slag shell,[link widoczny dla zalogowanych], the slag crust in a narrow groove of the more difficult to remove. Relative to MIG welding, MAG welding, TIG narrow gap welding and other low heat input welding method, this is FCAW fly in the ointment, it would need a narrow groove for efficient slag related technologies. 5 Conclusion (1) non-uniform pressure string together narrow gap flux cored arc welding, arc-free swing open under the conditions of the fusion problem to solve both sides of the wall even a new way. (2) the process technology and equipment than traditional techniques much simpler and more reliable for the location of the plate structure of space narrower Q1 Liu automatic welding.
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