Prusa Mendel Y-Axis Belt Tensioner
by tosjduenfs, published
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I printed out this design as a short term fix for my MG Prusa Mendel. When I installed it, it crushed about 50mm of my y-axis. Had to remove after a couple of prints. However, I will be using a similar concept when I replace my belts with synchromesh cable like I have on my x-axis. Two more parts to design and I'll be all set! :0). Thanks for posting this!
it seems to print all the circles flawless just when threading the m3 screw in it hits about half way gets tight.. then snaps off
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The parts were made in SolidWorks so unfortunately I don't have any OpenScad files for them.
All STLs have been loaded into Netfabb and repaired to ensure they are perfectly manifold.
The vitamins you'll need for assembly are a 608zz bearing two extension springs and either an m3x20 screw or a 4-40 0.75" screw. Rather than describing assembly it is probably easiest to just look at the picture. Insert the screw through the base of one of the bearing holder arms and screw them together.
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