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Axis Tensioner - X axis

Created by
MakerBlock
Created on Jan 27, 2010

A printable upgrade to allow increasing the tension on the X axis belt / pulley by turning a screw. Unlike the Y axis tensioner, ( thingiverse.com/thing:1618 ) the X axis tensioner only requires a single piece. The Sketchup file is included if you want to modify.

Make sure your X pulley is assembled as shown to the left and is adjusted to the correct height so that the X belt is totally level all the way through ( wiki.makerbot.com/cupcake-xy-stage-installation#toc3 ). The tensioner may work if you have your pulley assembled differently, but you'll have to make sure the pulley doesn't rub against the tensioner.

Special thanks to SSD ( thingiverse.com/ssd ) for testing and feedback. Version 3 has a slight change suggested by SSD which may help some people.

If you're trying this for the first time, use Version 2.

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Axis Tensioner - X axis by MakerBlock is licensed under the Attribution - Creative Commons license.

© 2010 by MakerBlock

Instructions

Loosen the X axis pulley, remove from the X axis slot, and remove the M5 nut from underneath.
Fit the tensioner around the M5 nut still on bolt.
Replace the X axis pulley with the M5 nut around the assembly.
Drop an M3 nut into the slot in the tensioner.
Drill a small M3 hole in the side of the MakerBot in line with the pulley.
Insert a M3x? bolt and tighten. (I am not positive as to the length of bolt required. This may differ slightly)

Axis Tensioner - X axis

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