Y Carriage Bearing Holders

by Alzibiff, published

Y Carriage Bearing Holders by Alzibiff Oct 29, 2012
0 Share
Download All Files

Thing Apps Enabled

Order This Printed View All Apps



Use This Project

Give a Shout Out

If you print this Thing and display it in public proudly give attribution by printing and displaying this tag.

Print Thing Tag

Thing Statistics

5957Views 663Downloads Found in 3D Printer Parts


The RepRapPro Huxley which I built almost a year ago came via the Indiegogo campaign which I believe followed the eMaker campaign for the first generation of this design in the summer of 2011. Since then, I noticed on the Wiki that the Y-carriage had been turned upside down. This is a great design improvement in my view as it provides a more stable support for the heated bed - less chance of 'wiggle' and less chance of the bearing holders breaking as a result of brute force and ignorance when removing printed parts.
When you turn over the Y-carriage bearing holders though, the nyloc nuts at the bottom are no longer captured - there is no hex hole to stop them rotating and tightening them can be a wee bit fiddly once the bed has been levelled as you need to use a spanner whilst holding the levelling screws still which is a shame after the time spent carefully getting the bed level - tightening the nylocs in this way can upset all the hard work!
The only change which I have made to the Y-carriage bearing holders is to place a hex recess to hold the nyloc nuts which take the levelling screws. You level the bed as normal but then only have one nut to tighten up to keep things tight - the one just below the spring.


To invert the carriage, you need to print out three of the reworked Y-carriage smooth rod clamps, one Y-carriage endstop holder/clamp and the Y-belt clamping components which are on the RepRapPro github and shown in the Y-carriage build instructions on the Wiki. You can then either use your existing bearing holders OR print out those which I have uploaded here which have a recess to hold the nyloc nuts as explained in the description.
As the prints progress, you will see that after the hole for the hex nut has completed, there is a point at which there is no support for the plastic which takes the M3 levelling screws above it before the second, (the original), hex capture hole starts. To avoid this, pause the print after it has completed the first hex recess and drop in a 3mm nut. (I use Pronterface when printing but used the Repetier Host programme to give an indication of where that was going to be so that I could get ready on the pause button as the Z axis moved up).
When assembling the Y-carriage, you may consider the purchase of M3 hex bolts to hold the Y belt clamp parts rather than using M3 screws or cap head bolts (the ones which take an allen key). If you use bolts with a hex head, you will be able to loosen and if needs be remove the Y-belt clamp in the future without having to remove the heated bed as this type of fastener can be released by using a spanner from the side - there is not enough space between the bottom of the heatbed and the top of the Y-frog to use a screwdriver or allen key.
One last point - I found my T2.5 Y-belt a tiny bit short to fit comfortably into the revised Y clamping system. I was faced with struggling to hold the belt tight over three teeth whilst clamping the ends of the belt together OR purchasing a longer belt - longer by 3 or 4 teeth. (I went for the latter - if you do the same, take care to purchase the 5mm wide belt as 6mm will not fit).

More from 3D Printer Parts

view more

All Apps

3D Print your file with 3D Hubs, the world’s largest online marketplace for 3D printing services.

App Info Launch App

This App connects Thingiverse with Makeprintable, a cloud-based mesh repair service that analyzes, validates and repairs most common mesh errors that can occur when preparing a 3D design file for p...

App Info Launch App

Kiri:Moto is an integrated cloud-based slicer and tool-path generator for 3D Printing, CAM / CNC and Laser cutting. *** 3D printing mode provides model slicing and GCode output using built-in...

App Info Launch App
KiriMoto Thing App

With 3D Slash, you can edit 3d models like a stonecutter. A unique interface: as fun as a building game! The perfect tool for non-designers and children to create in 3D.

App Info Launch App

when my Huxley breaks down next, it will get a pair of these :)