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Printable Ball Bearing
di ollienor
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A printable ball bearing. Very simple.
Best printed with high resolution support (from bed only) using a very fine print resolution, I used 0.06mm layer height and 3000mm/min print speed with 50% underspeed on outlines.
High fill percentage will help too, I had 8 layers top and bottom with 6 perimeter. Basically you want to try and get the balls to print as nicely as possible.
It's reasonably smooth, but it's a 3D printed plastic ball bearing so don't expect it to be anywhere near as smooth as one made from hardened ground steel.
I made this for use in printed assemblies requiring rotational moving parts which were too tightly constrained to use a gear bearing, printed gear bearings are by far the smoothest for 3D printed rotating parts but difficult to print any smaller than about 35mm diameter.
Best printed with high resolution support (from bed only) using a very fine print resolution, I used 0.06mm layer height and 3000mm/min print speed with 50% underspeed on outlines.
High fill percentage will help too, I had 8 layers top and bottom with 6 perimeter. Basically you want to try and get the balls to print as nicely as possible.
It's reasonably smooth, but it's a 3D printed plastic ball bearing so don't expect it to be anywhere near as smooth as one made from hardened ground steel.
I made this for use in printed assemblies requiring rotational moving parts which were too tightly constrained to use a gear bearing, printed gear bearings are by far the smoothest for 3D printed rotating parts but difficult to print any smaller than about 35mm diameter.
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