ToM z axis upgrade
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Published on February 13, 2012
Description
ToM z axis upgrade
Instructions
Print adapters.
cut (2) 100mm pieces of 1/2" I.D. copper plumbing pipe, 5/8" O.D..
Diassemble z axis.
remove lower bushings.
press short adapters onto the bottom of the upper bushings.
press the lower bushings inot the longer bushings, then pres those onto the pipe.
insert the pipe into the bottom of the z platform and press into the upper bushing.
re seat the bushings/ rods.
reassemble z axis.
This pipe is standard plumbing pipe- pretty lucky.
Beware that you should dry assemble this a nd make sure you have no y axis issues. I am using MakerBlocks x/y upgrade so i don't know how this works with the stock carridge.
cut (2) 100mm pieces of 1/2" I.D. copper plumbing pipe, 5/8" O.D..
Diassemble z axis.
remove lower bushings.
press short adapters onto the bottom of the upper bushings.
press the lower bushings inot the longer bushings, then pres those onto the pipe.
insert the pipe into the bottom of the z platform and press into the upper bushing.
re seat the bushings/ rods.
reassemble z axis.
This pipe is standard plumbing pipe- pretty lucky.
Beware that you should dry assemble this a nd make sure you have no y axis issues. I am using MakerBlocks x/y upgrade so i don't know how this works with the stock carridge.
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License
ToM z axis upgrade by 1oldclown is licensed under the Attribution - Share Alike - Creative Commons license.
More from 1oldclown
I want to do this mod but the 1/2" standard copper pipe I have is .6265" and the holes on my Z stage are .6220 so just a tiny bit too small for the pipe to fit through. Did you have to enlarge your Z stage holes?
I have not measured my pipe. It probably varies, even along a given length. I did have to twist my pipe into the platform, not a slip fit. I cut it using a pipe cutter, which induces a taper to the end that makes getting the pipe end into the platform pretty easy. You could also sand, file, grind a low angle bevel onto the end to help with the insertion.
I did remove the burr on the inside of the pipe that the pipe cutter creates with a round file to make sure that it doesn't touch the z rods.
If your pipe truly doesn't fit, you could spin the pipe against sand paper and reduce the diameter of the portion that passes into the platform a few thou
sandths.
I am also pretty sure that the pipe is not exactly round, not that it seems to matter.