The welding torch is the ulti- mate tool of the trade for a welder. Professional welderscan expect to have it in hand allday long, frequently with a needfor extended arc times and a highdegree of robustness. Whereas, delicate TIG welding work demandsfeatherlight, flexible action from thetorch—similar to an artist guiding afine brush. Very different demandsare placed on the welding torch, depending on the application and part. At the same time, it must be easy and comfortable to use to suit the personal preferences of the welder.
Costs in Time and Money for Different
A welder might typically need to move from welding afillet weld that is easily accessible to—immediately afterward—welding an angled part. In the past, the questionfor the welder would often be whether to accept sometimesawkward handling of the welding torch due to the changedcomponent accessibility, or instead to change the entirehosepack to get better weld properties. The first approachmeans loss of valuable time, while the second means a biginvestment on the part of the business in acquiring a rangeof torch systems, all of which come with extra storage andmaintenance costs.
The Solution: Modular System
The modular TIG and MIG/MAG welding torches fromFronius provide a solution for varied manual weldingchallenges and considerably reduce time and effort spenton changing bodies. Torch bodies of varying lengths andangles can now be swapped with ease so that one weldingtorch and hosepack form the base for different components so that all welding tasks are covered.
More than 40 different torch bodies are available tochoose from for TIG welding and over 80 for MIG/MAG.These also include flexible torch bodies that can be individually bent to shape. The welder simply presses and turnsthe torch body to release it from the hosepack: absolutelyno tools are needed. The new torch body is then locked inplace by inserting and rotating it. The system works withboth gas-cooled and water-cooled devices.
Durable Torch System: Reparable and
With a Long Service Life
The Fronius Multilock System also proves its worth in the
event of a fault: if the hosepack is unaffected, but the torch
body is damaged, each component can be independently
replaced in next to no time using
the Multilock connection. More-
over, spare parts are always avail-
able from Fronius. Consequent-
ly, a modular torch system not
only provides greater flexibility
but also enables resource-con-
serving and sustainable use of
The extremely long service life
of the welding torch components
also plays a part here. Fronius designs its wearing parts to
enable optimal heat dissipation, significantly extending
their life. For instance, Fronius uses a high-quality copper
alloy for contact tips, and the outer tubes for the MIG/MAG
torch body are made from stainless steel, while the hosepack
components also feature high-quality materials.
Welding Fume Extraction for Enhanced
When designing the welding torch, the developers atFronius not only had their sights set on flexibility and easeof repair. Promoting safety for welders was, if anything, aneven greater consideration. As a result of their efforts, themodular MIG/MAG welding torch system can now easilybe upgraded to function as a fume extraction torch. The Fu-meEx kit is compatible with all TPS/i-MIG/MAG weldingtorches from Fronius. It ensures that welding fumes are extracted at the point at which they are generated.
Maximum Ease of Use and Handling
for the Welder
The developers were also focused on enabling easy, comfortable, and ergonomic handling as far as possible: non-slip, soft components on the handle ensure a secure holdfor the new welding torch generation. The ergonomicallyshaped handle protects the hand musculature from earlyfatigue. In addition, the ball joint between the torch and thehosepack plus the soft materials used for the hosepack enables effortless, flexible handling.
Welders can also choose between different operating elements depending on personal preference. The Up-Downrocker switch or the rotatable potentiometer makes it easyto control the amperage, while the JobMaster functionmakes it possible to select and activate saved parameters(jobs) on the power source using the welding torch. Thisfunction is especially useful if the power source is not within reach—such as in the case of repair and installation work.Finally, even the control module can be replaced, should thewelding requirements change.
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The Multilock InterchangeableWelding Torch
A modular torch for manual TIG and MIG/MAG welding, the Multilock System enables all components tobe changed from the torch body through the operating elements, enabling varied welding applications—allwith just one torch.
By Christian Aitzetmüller
Credit: Fronius International GmbH