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Accumold takes delivery of a Fabrica 2.0 micro additive manufacturing system

By PR Editor | October 8, 2021

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Micro molding company Accumold announced it has taken delivery of a Fabrica 2.0 micro additive manufacturing (AM) machine from Fabrica Group. The technology was previously known as the Tera 250 and was created by Nanofabrica, which has now been acquired by Nano Dimension.

Roger Hargens, CEO & President of Accumold says, “For many years, we have been keeping an eye on AM / industrial 3D printing to see how the technology may be of use to us and our customers, but until we were introduced to Fabrica Group, all commercially available technologies fell short in terms of precision and tolerance attainment and speed and repeatability. We are truly excited to have just taken delivery of Fabrica Group’s Fabrica 2.0 micro AM machine, and we see this as an important strategic move in the micro-molding arena. It also plays to the fact that the future of AM is not as a replacement to traditional manufacturing processes that we use daily, but instead is a complementary technology that adds to the agility and versatility of or product development services.”

Fabrica Group’s Fabrica 2.0 brings the benefits of AM to micro manufacturers for the first time, including hitherto impossible part complexity (enhancing design and functionality), no tooling costs, minimal set-up costs, and the ability to mass customize and personalize products. A versatile technology appropriate for prototyping, small batches, and mass manufacturing, the Fabrica 2.0 is stimulating innovation in the micro-manufacturing sector.

The technology is driven by innovation in hardware, software, and materials. It uses adaptive optics which electronically control critical optical working point parameters such as focus, tilt, and astigmatism. In addition, it incorporates an optomechanical apparatus that facilitates real-time corrections of other working parameters — mainly location and accuracy in the XY plane — and which also corrects for degrees of freedom such as wobbling to allow for better surface finish on parts.

The Fabrica 2.0 also uses a “multi-resolution” strategy, which means that areas where fine details are required are printed relatively slowly, but where the details are not so exacting, the part is printed at speeds 10-100 times faster. This makes the entire printing speed anything from 5-100 times faster than other micro-AM platforms.

Other enabling technologies in the Fabrica 2.0 are algorithms used to control and optimize the hardware. It uses feedback algorithms in a closed loop to increase accuracy and repeatability in production, and positioning errors are corrected using laser distance measurements. Another algorithm family is focused on customized file preparation, optimizing print angle, build-plate orientation, and supports, all to ensure accurate, timely, and cost-effective part production.

Rigorous R&D has led to the development of proprietary materials for the Fabrica 2.0 (based on the most commonly used industry polymers such as ABS and PP) with modifications in polymerization radii, viscosity, surface tension, and spectral-optical penetration depth which enable the manufacture of ultra-high resolution in parts.

The combination of hardware, software, and material innovations means the Fabrica 2.0 can be applied to the most exacting micro manufacturing applications.

Hargens continues, “The hugely impressive technology that Fabrica Group has developed will in short order add significant possibilities for us and our customers. With the Fabrica 2.0 we can already cater to customers requiring low to medium-sized runs economically, as the same economies of scale do not exist when using AM as opposed to traditional molding technologies. We can also create micro parts with geometric complexity either impossible or prohibitively expensive using the micro molding process. However, it is in the area of direct rapid soft tooling (DRST) that we see huge future opportunities. The accuracy of the Fabrica 2.0 and the robustness of the materials used mean that the technology can produce DRSTs that can be used on traditional molding machines. This unlocks new business possibilities for us and our customers as up until this point we have been restricted to the use of long lead time and expensive traditionally manufactured mold tools for the achievement of any volume of molding, from prototype runs all the way through to mass manufacture. The Fabrica 2.0 stimulates the business case for a process chain that includes DRST, with the possibility of dramatically shorter lead times from file to injected part and at costs reduced from thousands of dollars to tens. This will be a game-changer for some of our customers.”

Accumold
www.accu-mold.com


Filed Under: Make Parts Fast
Tagged With: accumold
 

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