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Ultimaker Original Rod Spacer

By Dim3nsioneer

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Ultimaker Original Rod Spacer

Information

Ultimaker Original Rod Spacer

This spacer is used on the x/y rods of an UMO between the bearing and the pulley. Scaled to the needed length it allows for fixing the rods with the pulleys from the inside of the frame instead of using end caps with friction. The idea of the design was first introduced by Ultimaker with the UM2.

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ataraxis

almost 9 years

Take a look here: https://ultimaker.com/en/community/15722-no-more-end-cap-friction-on-ultimaker-originals

dandy-lion

almost 9 years

Anyone who's printed these for the UMO got any idea on what lengths you need?

ataraxis

over 9 years

these are the dimensions i use now, i hope that helps someone (at least as a first orientation): back: 35mm front: 14mm right: 19mm left: 19mm i have installed direct drive, therefore your back spacers may differ.

ataraxis

over 9 years

thank you anyway ;)

Dim3nsioneer

over 9 years

As I wrote, it was not my idea. Ultimaker introduced the concept with the UM2.

ataraxis

over 9 years

you cannot imagine how long i thought about possible ways to hold the rod in place without the friction that comes from the original outer bearing caps. but i never thought about such a simple way - i am impressed! thank you!