Ultimaker feeder upgrade

by Antiklesys, published

Ultimaker feeder upgrade by Antiklesys Apr 19, 2012
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This is a fully printable feeder upgrade for the Ultimaker. It improves by far the feed of the filament by reducing a the friction generated by the stock parts.


Just print it and ad a 10x6x3 roller. Remove the stock Ultimaker part and replace it with this one :)

Edit: Uploaded a video of the piece mounted on the Ultimaker: http://youtu.be/OAo04N6xTbs

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I think the stress relieve hole right above the bearing is far too big... the wall thickness at this point is 0.19mm, and virtually every slicer is omitting that section, rendering the bearing holder far less solid. I would reduce this whole to something very small, to leave some wall to be printed.

just made one, ordered the amazon part mentioned in the comments. the print came out either too small (thin) or else the bearing is too wide -- if i tighten the screws fully, it squeezes the bearing so it no longer spins.

There is some support in the design that should prevent the bearing from stop spinning when the screws are tightened. In my print the bearing was fitting perfectly, what are the inner dimensions of your bearing and the outer dimensions of the cylinder that supports the bearing in the printed part?

Also I printed it with Netfabb in Ultra quality, this is due the layers have to be thin enough to print out the small height differences designed in there so that you don't have the bearing stuck problem you just described :)

can you send me the source files to adjust it a bit? perhaps the bearing i got was non-compliant. i also don't want to take it out of the machine now to measure, will do it after i print out a replacement :)

Can you attach source file or make version that uses 9x5x3 roller?

You should be able to fit in there a 9x5x3 roller easily (just a minor cutting perhaps). However I will put up a modified version during the weekend :)

For US "makers", the necessary bearing is McMaster PN #7804K111 - $6.64/ea

also $4.52 shipped from amazon

amazon # B002BBEZLQ

Also what slicing parameters? Number of shells, etc?

I sliced it with Netfabb with high settings. Shells are 2, infill is 2mm spaced (but can be done also with full infill) and layer height is around 0.1

Do you have a source for that bearing? A URL maybe?

Hi, any 10x6x3 bearing will do :) I found mines on ebay :)

I do like the design, but I object to the descriptor "fully printable", since it requires a bearing.

thank you for your valuable opinion. Indeed, titles should be fully descriptive, don't you agree mr. Destroyer2012?

Nice and simple ;p can you upload a video of it in action?

Hi, I can do that but the piece is pretty hidden in the feeder mechanism of the Ultimaker, not sure a picture or a video will be showing much. I'll try to put it on later on anyway, as requested :)

Nice! Can you add a picture of it installed on your printer?

Hi, I can do that but the piece is pretty hidden in the feeder mechanism of the Ultimaker, not sure a picture or a video will be showing much. I'll try to put it on later on as requested :)