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Extruder Drive Upgrade Bearing


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Posted · Extruder Drive Upgrade Bearing

Hi all. I have been having issues with the stock extruder for the UM1. The wheel attached opposite to the bolt with teeth machined into it has been worn down. I have been looking for a solution to this on Thingiverse but I have only found upgrades for the spring adjustment part of the extruder driver. Any files you know of that eliminate that flimsy plastic wheel and allow for the use of a bearing directly?

 

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    Posted · Extruder Drive Upgrade Bearing

    I don't remember the exact size but there are bearings out there that match the delrin ring pretty much perfectly that you can replace it with. I have one, somewhere... that I bought off of Ebay a long time ago.

     

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    Posted · Extruder Drive Upgrade Bearing

    That's the solution we're talking about :)

     

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    Posted · Extruder Drive Upgrade Bearing

    At the time I couldn't find the right sized bearing, so I made a ring of aluminum the same size as the delrin one on my lathe. Haven't had any problems since.

     

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    Posted · Extruder Drive Upgrade Bearing

    Yeah, not sure why UM didn't just include one stock...

     

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