ROBOTICS & AUTOMATION The start of the weld within the
construction process is another important criterion for metal 3D printing. Welding errors or cambers in the area where the weld was started can affect the quality of the result. Fronius has the perfect solution to this with the Pulsed Hot Start function, which simultaneously achieves sufficient penetration and a constant layer height by starting welding within the pulsed arc. Here, the whole process is controlled automatically, so no extra settings are necessary. The Fronius development team has
added valuable features to CMT for optimal 3D printing results, and combined everything in one characteristic. And the team of experts at the Fronius prototyping centre are on hand to come up with even more solutions for demanding welding challenges.
The requirement “The right welding path with the right welding parameters and processes is crucial for a good result in metal 3D printing,” explains Philipp Roithinger, an expert in additive manufacturing at Fronius International. “However, this requires a high-performance welding system that precisely ensures the accuracy of the welding torch.” The new iWave Multiprocess Pro
combined with the Fronius CMT Additive Pro characteristic is optimised for metal 3D printing. This perfectly adapted equipment is now available. This complete solution is compatible with common robot systems for additive manufacturing and opens up a whole host of possibilities. With CMT (Cold Metal Transfer), Fronius
has been offering a highly stable, easily controllable and comparatively cool welding process for decades. This is already the preferred
method for 3D printing around the world. It therefore makes total sense that the Austrian innovation leader has now optimised CMT specifically for metal 3D printing and put all the know-how it has amassed into the development of Fronius CMT Additive Pro. The integrated arc-on rate stabiliser ensures a consistent wire speed, resulting in an even and predictable build-up of layers. This significantly improves the overall stability of the manufacturing process. “Another innovation is the adjustable
heat input, which ensures consistency in the height and width ratio of the bead, regardless of the current temperature of the base material or the previously welded layer. Weld layers usually become wider and flatter as the component heats up,” explains Philipp Roithinger. “The power correction feature counteracts this, so that identical welds can be stacked on top of each other, layer after layer.”
Equipment for additive manufacturing from Fronius consists of: iWave AC/DC 300i–500i, OPT/i Multiprocess PRO, CMT Welding Package and the matching robot interface
Going the extra mile In its prototyping centre, Fronius provides a comprehensive service package. Here, tailor-made solutions are developed for individual requirements and customers’ additive manufacturing processes are optimised, or highly complex components are created. From the initial consultation and feasibility check to the development and manufacturing of parts, everything is carried out in close co-ordination with the client, and with the highest degree of discretion. The aim is to minimise the time-to-market and fully use the potential of innovation and technology in the projects. The experts support the production of
the initial prototypes and pre-series and enable a smooth entry into the additive manufacturing process. In addition, you will receive valid recommendations on the welding process, profitability, quality and implementation options, or the costs for the prototype and the start of production. The 900 m² prototyping centre in Wels, Austria, has several isolated robot cells and systems, and offers full service, including offline programming and simulations, metallurgical investigations, 3D component measurement, complete data documentation, and much more. You can find out more about Fronius Additive Pro here. Information about the prototyping centre can be found here.
www.fronius.com
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