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An experimental two-high spring dampened reversing roller cold end for a Bowden cable system. Uses modified Tetrix spur gears and axle hardware. Filament enters and exits on a 30 degree angle to assist in better hose curvature. Uses spring dampening system to allow deviations in the 3mm plastic filament diameter with an adjustable bottom out feature for decreased potential slippage. No bearings or moving plastic componentry.
UPDATE: First prototype made; needed extensive modification/machining for assembly+operation. Need to modify design to remove extra machining steps.
Still in preliminary testing. For all I know this design might not work. Will update page once prototype is manufactured and tested.
1x extrudermotorside.stl (file is created with inch measurements)
1x extruderbushingside.stl (file is created with inch measurements)
1x NEMA 17
4x M3x10 SHCS bolt
8x 6-32-0.5" SHCS bolt
5x 1-4 UNF-1.5" SHCS bolt
5x 1-4 UNF Hex nut
2x compression springs (specs TBA)
2x 1/8 NPT pipe tap push-fit connector
1x Tetrix flat shaft axle
Wiley's Extruder by WBJ is licensed under the Creative Commons - Attribution - Share Alike license.
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