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A project log for Arcus-3D-P1 - Pick and Place for 3D printers

Open source, mostly 3D printable, lightweight pick and place head for a standard groove mount

Daren SchwenkeDaren Schwenke 03/03/2018 at 20:340 Comments

I didn't like how the down-facing strip lights were looking, so I modeled and printed a new ring light.

It printed in two pieces.  The white part is a PLA box with a .2mm bottom which acts as a diffuser, and there is a black PLA bottom with a foil reflector built in.  Each part weighed about 3 grams.

The warped corner here was from soldering it after sticking it in.  Oops.

By turning the LED strips on their side again I was able to fit 7 segments in half the space of the 4 I had planned.  This required the reflector on the bottom, which was made with some AL foil and spray glue.

I used these LED strips, the same ones I used for the part lighting.  They are 5630 super bright LEDs rated at 22 lumens per LED so I should have a total flux of 462 lumens.  Not all of that light is getting out, but it's still 3/4 as bright as aiming them straight down, and the diffuser makes the resulting lighting much more even.

Works well.

Need to make a new mirror still, and then start on configuring OpenPnP.

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