Additive Works is a German start-up that provides the market with Amphyon, a solution which simulates the AM building process before it actually happens, laying emphasis on and optimizing possible problematic areas of the part to be manufacture.

According to Dr. Nils Keller, CEO of Additive Works, it is not as easy as it seems for an inexperienced user to predict whether the part manufactured will meet expectations. The truth is that, if the manufactured part presents problems such as surface defects, it is certainly a waste of time for the producer that will lead to additional material costs, hence the need to virtually test the part before its production.

The ASAP principle

ASAP does not refer here to “As Soon As Possible” but rather Assessment –Simulation – Adaption – Process; a workflow that facilitates Direct Metal Laser Sintering job preparation.

Amphyon user interface: optimization of the build direction by consideration of all possible orientations (Source: Additive Works)

On the assessment stage, an examiner module evaluates the geometry of the part and assesses all possible build-up orientations. According to professionals, it is very unusual and difficult to achieve such type of tasks manually as the ideal orientation always depends on the application in terms of build time, support volume, post processing efforts and part deformation.

During the simulation phase, two modules can be used: the Support module and the Mechanical Process Simulation (MPS) module.

The Support module enables the optimization of support structures that can be generated automatically. As for the MPS module, it offers users a fast and intuitive way to simulate process mechanics and to calculate distortions. Such distortions can be compensated easily by the software by exporting and building a “pre-deformed” STL file.

How EOS takes advantage of Amphyon…

EOS is part of the specialized companies that will exploit the software for industrial 3D printing. To ensure an easy and accurate simulation, key EOS metal materials are integrated into Amphyon software and are calibrated with regard to their material properties. The goal is to calibrate and implement all metal materials from EOS in the future.

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