Prusa i3 Enhanced Lead-Screw Mod
thingiverse
TR8*4 Lead-Screw upgrade for the Prusa i3 Enhanced by ooznest. Lead-screws are sourced from this website: http://www.aliexpress.com/item/3D-printer-linear-stepper-motor-42mm-NEMA17-screw-rod-stepper-motor-Tr8-pitch2mm-lead-screw-linear/32310661236.html. Print Settings Support No Post-printing tasks: Traps for the nuts come pre-loaded with support material; you should ream out four holes that are three millimeters in diameter, but not the ones needed for a micro-switch. Secure the Lead-Screw nut using eight twelve-millimeter M3 screws. Use two eight-millimeter M3 screws to attach a micro-switch to the new left-hand nut trap. You need 2 x 608 bearings for the Z Axis Top section of the build. Holes for a smooth eight-millimeter rod in the Z Axis Top will require reaming, too.
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