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Mendel X Axis Motor Bracket

by rhys-jones, published

Mendel X Axis Motor Bracket by rhys-jones Sep 23, 2010
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Summary

The previous Mendel X bracket was compact, but led the toothed belt along a tortuous path with tight radii and reverses of direction. I've had the X axis belt snap (which costs far too much!), after just 4 sets of Mendel parts, and others have told me the same. With this, the design is larger, but less prone to belt failure. We've printed about 8 Mendels with it now with no sign of belt wear.

Instructions

The X-axis ground rods need to be shorter, at 463 mm long. Also the X axis spacers and two sets of bearings and associated fastners are no longer needed. The motor is attached by 4 shorter, M3 x 12, cap screws not on the original BOM. Finally, the belt needs to be attached inside out compared to before, and as such the motor direction needs to be reversed.

More details are here:
http://reprap.org/wiki/Mendel_Alternate_X_Motor_Bracket

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License

GNU - GPL
Mendel X Axis Motor Bracket by rhys-jones is licensed under the GNU - GPL license.

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I'm wondering if theres a way to install one of these without having to cut the rods. I'm thinking of a slight redesign of the X carriage and the two end pieces...

I printed and installed one of these. I notice my belts make a bit of a racket rubbing on the washers with the teeth inside... I'm thinking about beveling the edges of the teeth a bit to stop the noise...

I haven't run it yet, this is just pushing the cart back and forth, or turning the motor.

Al...

It definitely runs perfectly... maybe there is a broken bearing in your mendel?

Thats interesting. We've got 5 machines with this on. They are all ok, Is it on any set of washers in particular or is it all of em?

Awesome! good work.

I thought this was designed by Adrian, did you design it?

Yeh I did, Adrian did the Wiki documentation though as he managed to build it before me. I thought I'd dump it here too as more people seem to browse thingiverse for mods

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