Feb 022014
 

I just finished printing both motor mounts for my work-in-progress Polargraphic Plotter / Drawbot / Plotterbot. I decided on these motor mounts on Thingiverse. They fit a NEMA 17 motor and they looked simple and easy to print. Although I am a little concerned about the print layers being parallel to the mount bolt holes.

I printed these on my MendelMax 3D printer in ABS. I printed the mounts one at a time and each mount took a little over an hour to print. The prints needed some clean up with a pen knife to trim off the danglies but after that they look good. The motor mounting holes line up nearly perfect and the mounts are good fit to the motor bodies. We’ll see how they hold up under load but if I use a washer on the mounting holes it should distribute the stress.

My MendelMax printer
mendelmax

A two-for-one special, 0.5 mm printhead off of ebay. It seems to print ok.
mendelmaxhead

The motor mount finished and ready to remove from the bed.
motormountprint02

motormount01

motormount02

motormount03

motormount04

A video of the motor mount being printed

Another part down. Now on to the filament spools….

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