Plasma welding - 4 Pages

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Plasma welding

Catalog excerpts

/ Perfect Welding / Solar Energy / Perfect Charging Plasma welding / Microplasma, soft-plasma / plasma brazing, plasma keyhole GENERAL REMARKS / The plasma process is basically very similar to the TIG process but has a number of critical advantages. These make it an interesting alternative to laser welding where tough quality demands have to be met, especially on sheets and other components with a sheet thickness of up to 8 mm (0.31 in.). / In plasma welding, the arc is constricted by a cooled gas nozzle. The powerfully bunched arc that results does away with the need for time-consuming weld preparation work such as V- or U-type joint preparation. This saves as much as 30 % of the filler metal. In turn, the higher welding speed – around 20 % faster in soft-plasma welding, for example – saves time and costs at the same time as ensur- FACTS: / One retrofittable attachment for two complete welding systems / Powerfully bunched, highly concentrated plasma arc / Deeper penetration, yet only minimal weldment distortion / Higher welding speeds (up to 20 % faster) / No weld-seam preparation, up to 30 % less filler metal needed / Completely spatter and pore-free ing deeper penetration. Also, being enveloped in plasma gas, the tungsten electrode has a much longer service life. / The PlasmaModule 10 is your passport to the world of digital plasma welding. This attachment for digital gas regulation and control of the pilot arc works on a modular basis with any digital Fronius TIG power source, and is the key to obtaining very high welding speeds, spatter-free welding and minimal weldment distortion. A whole extra, modularly designed welding system, then. With all that this entails: from the cooling unit right the way through to data management. For manual, mechanized or automated utilizations. Just as you wish.

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System example: microplasma System Keeping the focus on the big picture / At Fronius, every welding process is looked upon as a system, right from the outset. This is the only way of ensuring that all the components (each of them of top quality, of course) are designed for mutual compatibility and work together perfectly. A plasma welding set-up essentially consists of four components: a digital TIG power source with a cooling unit, the PlasmaModule 10 and a plasma welding torch. The exact system configuration can be individually combined. 1. Digital TIG power source / The ideal basic units...

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PROCESS Concentrated on high-performance results / Plasma welding is similar to TIG welding. The difference is that in plasma welding, the arc is sharply constricted by a cooled gas nozzle through which a flow of plasma gas is directed. The shielding gas flows through the outside gas nozzle, providing optimum gas-shielding to the weld-seam. / The concentrated arc results in maximum energy / Manual microplasma welding for sheet thicknesses from 0.1 mm (0.004 in.) upward. focalization, leading to a deep-penetration effect in the workpiece that can only be matched by a laser beam. Also, the...

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Technical Data Mains voltage Pilot current range Plasma-gas flow-rate Welding current at 10 min / 40°C Weight Dimensions L x W x H Coupled TIG and plasma welding / Because of its similarity with the TIG process and the modular design of the Fronius system components, there are advantages for the entire welding system. The most important of these is that there is one power source for both welding processes. Also, the cold-wire infeeds are exactly the same for both TIG and plasma welding. There is a uniform pushpull system that can be used for either process. It’s the same with the TCP:...

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