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Prusa Steel Leadscrew X-Axis system

by FireTora, published

Prusa Steel Leadscrew X-Axis system by FireTora Mar 13, 2016
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Summary

When upgrading my P3Steel with some Z-Axis lead screws I couldn't find any system I really liked. I liked toolson's X-axis system but it uses the standard threaded rod. Based the main dimensions off of MazaaFIN's Smooth X-axis, added a mounting point for toolson's Z-axis endstop trigger, and made 2 different tensioner's.

Designed for 8mm lead screws using the T8 nuts with a 17mm center-to-center distance between the linear rod and lead screw. The tensioner's use M5 bolts and nuts, one variant uses a M5 square nut instead of a hex. Everything else should be standard M3 stuff. This should work with any X-Axis carriage if it keeps with the original linear rod spacing.

Currently in the process of printing to verify it works well.

Update: Clearances are super tight on the models, Linear bearing slot is 15mm diameter, lead screw nut is 10.2mm and X-axis rod holes are 8.1mm. Also forgot to make the slot on the [x_axis_tensioner_with_pulley.xtl] big enough to get the pulley in in the first place. It might still work if you're not the using 18mm diameter toothed idler. I'll be fixing the tensioner in the next couple days and will either upload some other parts with bigger clearances or just the model file so people can adjust to their needs.

Update 2: Fixed the tensioner with pulley so it now has a opening in the back as large as the cutout, also uploaded all the solidworks files. Got it set up on my P3Steel with the two piece tensioner a few days ago and it works great.

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I printed the motor side and noticed that only 2 of the 3 holes go all the way through. What are you using as a fastener on the hole that doesn't go through?

Sep 18, 2016 - Modified Sep 18, 2016

Are these x-axis parts compatible with toolsons? Since you mentioned the dimensions were used from a different collection of parts this was not clear to me.

(With compatible i do not only mean the Z-endstop, but also X-endstop/carriage/extruder and smooth-m8 threaded rod distance compatible.)

Yeah, all of toolson's X-axis parts work. The carriage rod distance is the standard i3 distance so most i3 carriages should work.

Sorry, can you say me the z end stop that you use.

I'm using Toolson's Z-axis endstop parts.
https://www.thingiverse.com/thing:1052823

P3steel 2.x - Z-axis endstop mount
by toolson

hi, you know if work with this carriage of toolson edition

His carriage does work with this. The smooth rod spacing is the standard i3 spacing, so almost all the X carriages should work.

Do you see a big improvement compared to regular M8 thread?

Print quality is identical, but I no longer have to worry about the threaded rod wearing out or making a ton of noise.

Good to know, cheers!

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