Valcun’s Journey in Developing Aluminum Wire 3D Printing « Fabbaloo

Valcun’s Minerva metal filament 3D printer (Source: Fabbaloo)

We caught up with Valcun, the makers of an incredible 3D printer that uses aluminum wire.

The startup company launched only a couple of years ago. In 2022 we saw print samples showing they were somehow able to 3D print aluminum in a manner very similar to standard FFF 3D printing: with filament and an extruder.

When I first heard about this approach I was skeptical: when aluminum is heated sufficiently, it melts. I imagined an extruder violently dripping liquid aluminum, forming a puddle rather than a solid usable part.

They insisted they were able to do exactly that, however. It was explained that they have figured out how to very precisely control the thermals so that the aluminum wire is softened “just right”, and rapidly solidifies with suitable cooling.

Aluminum filament spool for Valcun’s Minerva metal filament 3D printer (Source: Fabbaloo)

This year at Formnext I was able to see their machine for the first time in person. Indeed, their spools were quite literally aluminum wire, as you can see above.

The machine, called the Minerva, is intended to be properly launched by the end of the year. They’ve partnered with a contract manufacturer to produce the machine, so they’re lining things up for commercialization and scaling. However, they did say they actually sold machines at Formnext to parties attracted to the idea of 3D printing aluminum.

They say they will have capacity to produce around 20 machines per year, and after doing so they will revise the machine design and produce “Gen 2”.

Aluminum 3D print made by Valcun’s Minerva metal filament 3D printer (Source: Fabbaloo)

However, at this point they are focusing mostly on firming up the customer market. This is an issue facing any company developing a new style of 3D printer: who is the customer? They’re trying to narrow down the possible applications, and one they’ve seen interest in is the printing of heat exchangers.

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Valcun is, for the moment, focusing on universities as their initial market, something many other 3D print manufacturers have done. Valcun told us it’s a bit too early for production use, but I got the impression that would be something for the future.

While Minerva currently prints aluminum, the Valcun process is applicable to other metals. We were told they want to show that this is possible, and could likely be done through their new university partners.

Valcun seems to be in a good state at the moment. We’ve seen significant progress from them over the past two years, and they are positioning for commercialization.

The only question is, which market will benefit most from their metal filament printing technology?

Via Valcun


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