Adapted pieces for the Automatic Filament Rewinder
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Some pieces adapted for the Automatic Filament Rewinder (by warpster) and the Marlin firmware for the dual E driver.
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Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution
To lower the angle and reduce the tension on the spool, I've raised the length of the slider aligner pivot by 10 mm.
To reduce the friction I use a Capricorn's PTFE tube on the slider aligner arm.
I've adapted the tension arm to use a v-slot wheel. (didn't had the specific small bearings)
The screen from AliExpress's bundle didn't fit in the original screen frame.
The hinge lever of the micro switch was too tight fit in the filament sensor piece.
The piece is easier to print and have a better access to the screw (access with an Allen key)
Marlin firmware to use the dual motor box and 2 drivers for E.
E0 & E1 → DRV8825 driver without microstepping (remove the 3 jumpers below the driver)
X → A4988 driver with microstepping (add the 3 jumpers below the driver)
If you still want using the microstepps for the E drivers, change in the file Configuration.h this
#define DEFAULT_AXIS_STEPS_PER_UNIT { 48, 80, 2560, 20 }
with
#define DEFAULT_AXIS_STEPS_PER_UNIT { 48, 80, 2560, 640 }