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Locking key for Ultimaker filament feeder (aka "extruder")

by MoonCactus, published

Locking key for Ultimaker filament feeder (aka "extruder") by MoonCactus Jun 21, 2012
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12488Views 4672Downloads Found in 3D Printer Extruders

Summary

Tired of the feeder that wants to detach itself from the ultimaker frame each time you push the filament upwards manually?

Scared that it falls off each time you move your box around?

Just stick this thing in the free space above the extruder arms to lock it in place.

OK the best surely would be not to have to push the filament by hand at all, but at least now I do not need both hands to do so :)

Instructions

Update 2013 04 28: now customizable for any dimension or fine tuning!

Printed with 0.1mm layers, 0.8mm walls and 35% infill (I think less would still be OK).

The thing is completely parametric, you can tweak or derive something better.

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This was the 1st thing I printed on my UM! Even before any calibration cubes! I wanted that material feeder secured! Thanks for the model Moon!

Glad you like it. It was also one of the first thing I ever designed :)

Nice one :)
I printed it really fast and touched it before it cooled down enough, so it has a slightly different shape now. But it works still as expected. Thank you!

You could add and STL for maxy's 'Ultimaker quiet retraction' http://www.thingiverse.com/thing:53690http://www.thingiverse.com/thi...
The armHeights should be around 15 and 17.5. But I'm not sure, as I have a slightly modified feeder.

Ultimaker quiet retraction
by maxy

Improving on what is already good, it works even better with a less steep slope, slightly thinner:

armHeight1=4.5;
armHeight2=6.5;

Downloaded it. Printed it. Jammed it in. Love it. Thanks! 8-)

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