Elegoo Mars Bottom z axis bearing support, remix for linear thrust bearing
thingiverse
Used to stop the play on the threaded rod inside the stepper motor housing and bearings. This fixes the missing layers of up to 1.4-1.5mm height on the Z axis. Also shorter to prevent crashes. Cost is about $2 per printer. Print in 80-95% infill, needs to be strong. PLA should be fine? Just remove the top bracket and jog the head up and off the screw, be careful with the hidden spring and how it fits. Drop the parts in and tighten up. Reverse process to put the head back on, take great care to line up the two brass hidden nuts and spring they fit together. This uses the following parts, one of each: Miniature Axial Ball Thrust Bearings F8-16M (8x16x5mm) https://amzn.to/36Zkm45 8mm Shaft Lock Collar T8 Lead Screw https://amzn.to/2XaKGUm Remix of Elegoo Mars Bottom z axis bearing support: "Bearing mount for the bottom of the z axis shaft. Allows a lock collar to be placed on top of bearing to eliminate slop in the z axis." by chenderson
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