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Dual mk 8 extruder fan duct and print cooler

by laird, published

Dual mk 8 extruder fan duct and print cooler by laird Oct 27, 2012

Description

Trimmed down the parent so that you can fit two on a Dual extruder Replicator.

It's a minor tweak of the parent, in Tinkercad at tinkercad.com/things/2lgOulFFXnr-dual-mk8-extruder-fan-duct-print-cooler.

Recent Comments

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I now use http://www.thingiverse.com/thi... , which achieves the same result (venting air after cooling the extruder to cool the print). But instead of taking the air from the sides, you reverse the fans so that they blow out the front, then vent that down in front of the extruders to the print. That has the advantage that you don't lose any X-axis space.

How did you remove this movement? have you redesigned it?

Wait....I think you may have to take the heat sink off....I'm not into doing that quite yet.....

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Instructions

Print one each of Left and Right things, and follow the quite good instructions on the parent thing.

Comments

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pcenginefx on Dec 26, 2013 said:

Has anyone tried this on a FlashForge? Does it fit?

lovethepirk on Jan 6, 2014 said:

I printed it tonight and for the life of me can't see how it fits on a FlashForge dual

NWACC_EMPACTS on Mar 25, 2013 said:

After installation, the extruders are now off center by the width of the shroud. Also the extruders bind up on the extreme left X-axis position; we had to remove it as it was interfering with the calibration. How are these things corrected for?

robokid on Mar 26, 2013 said:

I figured out a fix.

set your xHome offset to 140.

worked for me

robokid on Mar 26, 2013 said:

Im having the same problem... Did you figure it out?

AdanA on Dec 11, 2012 said:

Thanks, laird (and apexio)! Here's hoping this is good for what ails me.

Just did the left side since I'm only printing with that extruder. I taped off the right side of the heat sink to minimize air loss that way.

DocRayStantz on Nov 9, 2012 said:

All done printing my set of ducts... first sample print done, and the quality of the print does look better.  :)

DocRayStantz on Nov 9, 2012 said:

I'm printing my set, right now.  :)  Thanks for this!

apexio on Oct 27, 2012 said:

You only need the button-pressing-arm on the right extruder - you can delete the one on the left and save some plastic.

laird on Oct 28, 2012 said:

Yeah, I got lazy, and just mirrored it in ReplicatorG.

solertron on Oct 27, 2012 said:

 Very interesting approach.  Looking forward to trying this out!
I am currently making a number of changes to my replicator in an effort to improve the quality of prints to somewhere near its advertising claims,.

laird on Oct 27, 2012 said:

It's fun tweaking! But even without that, prints have been fine.

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