No competition to SGLB.
Every other printer maker wants to put a camera in their printer and call it a "quality assurance" system. There is an abundance of optical based systems: LayerQam (Arcam), ThermaViz (Stratonics), Concept Laser, Jyoti Mazumder. There is nothing the camera will do to change the path of layering by the printer in real-time as PR3D would.
The difference is that PR3D has control of the printer. This is the closed-loop system. What PR3D does is ensure that parts created by additive manufacturing (AM) methods have the same microstructural, metallurgical, and mechanical characteristics of that built by conventional means. If a defect is suspected in any of these characters then the printer is made to change course. A camera cannot do this because a picture cannot "see" metallurgical and mechanical properties . This is why PR3D has an acoustic system. Think of how you hear a higher tone as a guitar string is tightened (tightened too tight then the string breaks!). Sound reveals metallurgical and mechanical properties. What PR3D does is function to provide evidence for architectural / engineering properties for parts produced. This is important in meeting the required standards for aerospace applications. What natural follows is a qualification process that is done during the build process. This "real-time" or "rapid qualification" will therefore increase the speed of AM and overall production.
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