Stepper Motor Belt Tensioner
by Silverfire56, published
Confirmed to fit on both X and Y axis of a Thing-O-Matic 3D printer.
HOLE HEIGHT NOT COMPATIBLE WITH ANY OF THE ANCESTORS OF THIS DESIGN.
- Lowered the thickness to not interfere with bolts on the X axis.
- Reduced side thickness to not interfere with X axis walls.
- M4 tensoner screw
Version 2- Cleaned the file up and added slightly more material to improve the strength of the part.
- Print out object at a high infill (i used 60%)
- Ensure hole sizes are correct, drilling any holes if required
- Check that a M4 Bolt fits correctly in the slot
- Tape the any surfaces in contact with motor sliding with kapton tape to reduce friction
- Once ensuring that the part does fit, drill a 4mm hole where the Tensoner bolt meets the wall
- Screw motor in, just tight enough that it still moves by hand
- Use the tensoner bolt to tension the belt. Remember that the tigher it the belt the the more the stepper motor needs to work.
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