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Cantilever Style X-Carriage

by eatkabab, published

Cantilever Style X-Carriage by eatkabab Mar 7, 2013
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Summary

Makes printing easier to watch, designed for Wades, maintains mounting plate for extruder cooling, allows ext head to breath better, leaves room for backside fan to maintain look.

Instructions

Video: http://www.youtube.com/watch?v=4pWJV0vpiaA&feature=youtu.be

I designed this mainly because I was rebuilding my prusa into something else and didn't like the restricted viewing angles. Watching the printer print is fun and should be easier to see. I like the Wades and the J-Head mounting plate for cooling so I kept those.

Z threaded rod spacing from the smooth rod is the same as a Prusa reprap. X distance spacing is totally arbitrary and can be scaled to your liking.

This is made to use the existing hardware from a Prusa: 8mm smooth rods and 4x LM8UU bearings. Assembly is pretty straight forward when you take a look at the pictures. You will need two 30mm M3 screws or something similar as a replacement.

NOTE: You will have to drill two holes specifically to mount because I find it to give me a better fit than my sorta measurement guesswork. I didn't just want to put an enlarged hole on it. Use a nail file to file out the belt mount a little cleaner...

Un-manifolded SketchUp files included should you choose to edit to your liking. All input greatly appreciated.

Smooth rod holders inspired by http://www.thingiverse.com/thing:48548

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are the designs for your extendable prusa available?

Are you referring to the printbot style one I made and had on youtube? The one with wooden planks? It's a very simple design. I basically taped two even planks of wood together very tightly and drilled some even 8mm holes for some cross rods. Screwed everything together once done then used most of the Prusa 2 parts and made a new X-carriage which is this one. I don't have any organized designs for it. I just decided to construct it one random Sunday when I got upset at the limited print envelope of the Prusa 2. Since then I've sold all my printers and don't have any although I'm hoping to work with some 3D Bio printers soon.

Foooor...printrbot?

Oh ya, the Z thread rod and smooth rod spacing is the same as a Prusa but the threads are on the outside instead of inside.

Well, no real standard. I built a reprap then was upset at my restricted x, y, z, so I rebuilt a totally custom design. Sorta similar to a printbot. This should for anything with a little more room in the Z direction than a prusa.

So the X rod spacing, and the Z rod spacing are both completely arbitrary and not based off of anything existing?

Z threaded rod spacing from the smooth rod is the same as a Prusa reprap. X distance spacing is totally arbitrary and can be scaled to your liking

Thanks a lot! :)

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