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This is a fun quick print item to show off. I was really surprised how well it works. It uses Air soft bullets that measure 6mm in diameter.
I used .27mm layer, 50% fill, 2 shells.
To get the balls in. Pause the print at 58%-60% and place 10 balls.
For the Replicator 2 this is done with a filament change.
I've printed quite a few of these and never had trouble with the head hitting the balls. They move around easily and don't cause a crash.
If you have a hot air soldering iron you can heat the whole thing and spin it a few quick times with a small load and the thing will be almost as smooth as a metal gear.
The files are:
.010" clearance between ball and race
.005" clearance between ball and race
The solidworks file.
Working Bearing 1.25 x .375 with Airsoft balls by chapmjw is licensed under the Creative Commons - Attribution - Share Alike license.
So what's this mean?
We're sure chapmjw would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!