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Printbot+ X-Carriage

by jameswood, published

Printbot+ X-Carriage by jameswood Jan 10, 2013

Description

A printable X-carriage and extruder platform for the Printrbot+, featuring an integrated fan mount.

Note that this does not include the bolt to hit the standard x end-stop switch, but works well with PolakiumEngineering's upgraded x-bridge: thingiverse.com/thing:31012

Recent Comments

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It was fine for ABS, but for PLA the flow was a bit low.

The big problem for me was that the mount blocks your view of the print head and it can be hard to see what's going on!

I've switched to a different extruder mount, which I've just uploaded: http://www.thingiverse.com/thi...

It has much better flow, but suffers from exactly the issue you're describing. There is room to install a fan shroud though, so I plan to make something that gives better airflow behind the head.

Does this carriage get good fan coverage? Every fan mount I've used so far doesn't hit the area behind the nozzle, resulting in ugly curling in the back of most prints.

Sweet!

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Instructions

UPDATED: The Carriage (Carriage3a_fixed.stl) has been extended by 1mm to prevent the extruder motor from touching the Z-axis smooth rod when used with the standard wooden extruder.

Print one X-Carriage and one Platform and you're good to go. The mounting nuts and bolts can be recycled from the existing laser-cut mounting. This was designed to hold the laser-cut extruder, so it should work with any other Wade's-like design.

The main motivation for moving to a printed x-carriage was that the c-clips on the bearings of my lasercut carriage were rattling!

The X-Carriage has my logo at the top of it, but you should be able to delete it from the sketchup file if you don't like awesomeness.

Comments

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Cameron on Jun 29, 2013 said:

Does this carriage get good fan coverage? Every fan mount I've used so far doesn't hit the area behind the nozzle, resulting in ugly curling in the back of most prints.

jameswood on Jun 29, 2013 said:

It was fine for ABS, but for PLA the flow was a bit low.

The big problem for me was that the mount blocks your view of the print head and it can be hard to see what's going on!

I've switched to a different extruder mount, which I've just uploaded: http://www.thingiverse.com/thi...

It has much better flow, but suffers from exactly the issue you're describing. There is room to install a fan shroud though, so I plan to make something that gives better airflow behind the head.

k1nc41d on Jan 11, 2013 said:

Whats that gear set you are using. I like the look of it.

jameswood on Jan 12, 2013 said:

Thanks! I've uploaded those gears here: http://www.thingiverse.com/thi...

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