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Vert-X-Belt-Truder
by Johann
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Early concept for a fully symmetric belt-driven extruder carriage for upgrading Prusa Mendel. Belt-driven means there's no stepper motor on the X-carriage, so it can be much lighter and move much faster.
It has two X-belts that are controlled by one stepper on each side.
If both belts move in the same direction, the X-carriage moves in that direction too. If both belts move in opposite directions, the extruder moves but the X-carriage stands still.
x_motion = (stepper1 + stepper2) / 2
It has two X-belts that are controlled by one stepper on each side.
If both belts move in the same direction, the X-carriage moves in that direction too. If both belts move in opposite directions, the extruder moves but the X-carriage stands still.
x_motion = (stepper1 + stepper2) / 2
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