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8 months ago

3D Printing Tolerance Test - 3D Printed Bearing - Bearing Without Balls

Allvisuals4U
3D Printing Tolerance Test - 3D Printed Bearing - Bearing Without Balls

I quickly tested some 3D printed simple bearings without balls to check out whether the parts are moving or not.

▫ 1st print 0,75mm (3x0.25) gap: too big, parts are too loose.
▫ 2nd print 0,30mm (3x0.1) gap: too little, parts didn't move.
▫ 3rd print 0,40mm (4x0.1) gap: too little, parts didn't move.

A 3 times 0,15mm gap of 0,45mm worked the best. I printed this bearing with a 0.15mm gap at 300%.
A 200% version (0.30mm gap) was too tight to move. The 400% version did move well as expected.
Only the inside ring is a too loose, because of the big gap (4x0.15=0.60mm).

So it seems that the minimum gap must be about 0.45mm to let thing move alongside each other.
At least with my Felix Pro 3 Touch 3D printer.

Thanks for watching the video 3D Printing Tolerance Test - 3D Printed Bearing - Bearing Without Balls

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