Prusa Mendel Y-Axis Belt Tensioner
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Published on November 9, 2012
Description
Spring loaded belt tensioner for Prusa Mendel.
Instructions
Print two of each part.
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.
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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Timelord83
on
December 26, 2012
said:
I printed it. came out beautiful.. then proceeded to break 3 sets of arms before scraping the project. :( they are just to brittle in PLA or the holes are to small.
hibijibi
on
December 26, 2012
said:
Spring loaded tensioners are up for debate with accelerated moves.
See: http://www.thingiverse.com/thi...
License
Prusa Mendel Y-Axis Belt Tensioner by tosjduenfs is licensed under the Attribution - Share Alike - Creative Commons license.
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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!