Automatic tool changing on a 3D printer


edhagopian
shared this story
from Hack a Day.

tool

[Luis] has a pretty interesting project on his hands. He’s using a delta 3D printer to plate a few edibles – yogurt, chocolate, and other thick liquids. Because he intends to use actual plates as the build surface, calibration is key. One solution to this problem would be to use identical, pre-measured plates for everything this printer makes. [Luis]‘ solution is much more ingenious than that, however. He’s programmed his printer to automatically swap out two tools – one for probing the build surface, and another to extrude liquids.

The two tools are suspended from the body of the printer, and with a little bit of software it’s possible for them to be picked up by the head of the printer and held in place with a few magnets. After auto leveling the build surface in software, a G Code command switches the tools over to a paste extruder for all those delicious edibles.

If an automated tool changer isn’t enough, [Luis] has also completed a very nice 3D printed peristaltic pump to squirt out foodstuffs. You can check out a video of this printer in action below.




Filed under: 3d Printer hacks

via edhagopian’s blurblog http://feedproxy.google.com/~r/hackaday/LgoM/~3/YAUt4X33_iQ/

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