Παρασκευή, 2 Νοεμβρίου 2012

New 3D printing technique using robotic arms and UV cured resin

Using a moving print bed for large-scale printing.






Phantom Geometry, winner of the new Gehry Prize thesis award, is a project by students from the Southern California Institute of Architecture. It was developed in the Robot House, a facility where students have acess to advanced robotic arms, under the guidance of Peter Testa and Devyn Weiser.

The original article on FastCo appears to suggest that the innovation in the project was to use a projector and UV cured resin to produce 3D prints. I hope that’s not what the prize was for, considering that this has been doneseveral times already.

That confusion aside, this is a fascinating project. With typical UV resin 3D printing, the only movement of the print bed is to slowly lower, letting the project light cure one layer of resin at a time. In this case, both the print bed of resin and the projector are attached to robotic arms. This allows the machine to print structures many times larger than the print bed itself. It’s difficult to describe, so please watch the video.

Via FastCo



At SCI-Arc’s Robot House, architecture students have access to six massive robotic arms.



Last month, the school awarded its first Gehry Prize, given out to the best thesis, to a husband/wife duo who developed their project using the robot arms.



Liz and Kyle von Hasseln developed an entirely new fabrication process that uses light from an off-the-shelf projector to cure resin

One robotic arm holds a bed filled with UV-sensitive resin.



The other holds a digital overhead projector, which projects steady UV light over the bed.




When the UV rays come in contact with the resin, it cures instantly.



The von Hasselns are interested in the technique because it gives them the ability to alter the model as it’s being printed. They can sculpt the product as it emerges.



The Gehry Prize was established earlier this year, after Frank Gehry gave the school $100,000.













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