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Ultimaker feeder upgrade

by Antiklesys, published

Ultimaker feeder upgrade by Antiklesys Apr 19, 2012

Description

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.

Recent Comments

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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.

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 :)

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 :)

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Instructions

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: youtu.be/OAo04N6xTbs

Comments

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jgeerds on Jun 11, 2012 said:

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.

thereza on Jun 5, 2012 said:

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.

Antiklesys on Jun 5, 2012 said:

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 :)

pit3k on May 24, 2012 said:

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

Antiklesys on May 24, 2012 said:

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 :)

thepackagegroup on May 6, 2012 said:

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

tlalexander on May 8, 2012 said:

also $4.52 shipped from amazon

amazon # B002BBEZLQ

mikeq on Apr 25, 2012 said:

Also what slicing parameters? Number of shells, etc?

Antiklesys on Apr 25, 2012 said:

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

mikeq on Apr 25, 2012 said:

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

Antiklesys on Apr 25, 2012 said:

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

destroyer2012 on Apr 21, 2012 said:

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

JelleAtProtospace on Apr 22, 2012 said:

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

scottmayson on Apr 20, 2012 said:

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

Antiklesys on Apr 20, 2012 said:

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 :)

bbum on Apr 20, 2012 said:

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

Antiklesys on Apr 20, 2012 said:

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 :)

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