Laser Cut Mendel Pulleys
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Release status: experimental
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Mendel uses belt pulleys in driving it's x,y and z axis as well as in it's driven z axis threaded rods. The problem is that many cheap 3d printers such as the Makerbot, RepRap, etc. are still working on being able to print accurate parts. The lack of symmetry in these parts caused by printer inaccuracy can then cause further inaccuracy in the child printer. This is a version of each gear in Mendel that can be cut by a high precision laser cutter or CNC mill so as to increase the precision of Mendel.
This page/project is under development. Please do not use the files provided until this message is removed
Contents
Design/Usage
For each pulley a series of pulley parts (those marked with the pulley suffix) are laser cut and stacked until the gear is tall enough (the number of pulley parts you will need depends on the thickness of your material). Then a nut trap piece is laser cut from a peice of material no taller then HEIGHT and a final pulley piece is placed on top and then tightened down onto an entrapped nut.
DXF Files
drive-pulley_3off
- File:Laser-cut mendel pulley - drive-pulley 3off - pulley.dxf
- File:Laser-cut mendel pulley - drive-pulley 3off- nut trap.dxf
z-driven-pulley_2off.par
- File:Laser-cut mendel pulley - z-driven-pulley 2off.par - pulley.dxf
- File:Laser-cut mendel pulley - z-driven-pulley 2off.par- nut trap.dxf
Notched DXF Files
Notches pulleys are provided as an alternative to the set screw version above although these have not yet been tested.
