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Dual Carriage for Qu-BD extruders

by julienM, published

Dual Carriage for Qu-BD extruders by julienM Jan 13, 2013

Description

For a new printer I am designing, the goal was to make the machine look more like a consumer good. I'm very happy with the quality of my Prusa, but it does look very functional.

Vents on the side pass the air coming out of the heatsinks down to the parts printing. This was designed for two Qu-BD extruders. Those heatsinks pass the air sideways only. Tests with a flame showed a lot of air getting to the bottom.

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Hello julienM, I was looking for this for a few days, so happy I found it ! Do you know if this will work also with a Mendelmax 1.5 ( the size between the bearing). And is this a version that you can put the bearings inside ? Did you have any problems with it melting due to the heat dissipation? Thanks !!:)

Here's a link to my posting. http://www.thingiverse.com/thi... So far it seems to fit well enough on my Prusa. Will need to wire up the electronics again and try it out.

On the contrary. I didn't get to print it yet and I am not yet sure how its gonna go.The version with the bronze bushings was disapointing.

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Instructions

At the moment, this is printed without any bearings, just 8.2 mm holes in the PLA. It seems to ride very well on the bars. The bronze bushings seemed to seize up. They have very low tolerances.

The semicircular ends are a design consideration for the new printer.

I will update, once the wiring on the printer is finished and the first print runs completed. A version with Lm8uu bearings will also be made.

The digital files for the extruder, used for presentation purposes, are from thingiverse.com/thing:39299.

Comments

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DDobrescu on Feb 3, 2014 said:

Hello julienM, I was looking for this for a few days, so happy I found it ! Do you know if this will work also with a Mendelmax 1.5 ( the size between the bearing). And is this a version that you can put the bearings inside ? Did you have any problems with it melting due to the heat dissipation? Thanks !!:)

pezzer2003 on Jan 29, 2013 said:

WOW... This look's great... I'm going to have a try at printing it today.. Looks to take about 5 hours total to print with supports. I'm thinking 0.25mm layers with about 50% infill to start..
Post when I'm done..
Cheers,
Matt

zittix on Jan 24, 2013 said:

Hey with which software did you design it? Is it possible to get the source file?
Looks really good and I was searching for a similar design since weeks.

julienM on Jan 29, 2013 said:

I've uploaded the SolidForks file. It's a bit messy after so many changes.

sgrover on Jan 22, 2013 said:

Tried to print. Got about 50% done when the printer just stopped, everything still at temperature but the LCD at the home menu like a completed print. I'm guessing it was a bad S3G file, and will try slicing it again.

julienM on Jan 22, 2013 said:

That's sad to hear. I imagine that that is a pain most Reprapers know. Luckily mine now prints pretty consistently.

The part here is actually the 5th iteration, before everything would fit as desired. I'm very anxious to know whether it works for other people.

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