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Improved Tradrack Feeder Brake (with Filament Sensor) — zdjęcie 1
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Improved Tradrack Feeder Brake (with Filament Sensor)

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This improved feeder brake uses 9mm breakaway utility blades to positively grip the filament with little to no slipping.

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Źródło
Printables
Licencja
GNU General Public License v2.0

Based on original design of TradRack by Annex-Engineering.  Lifts design elements and/or ideas from several other feedbrake designs.  Uses 9mm, 60° breakaway utility blades to positively engage filament.  For spring wire, I just repurposed a spring I had laying around, or you can purchase spring steel wire online.   Be sure to print the plunger on its side with support or it will be too easily broken.  Good luck and don't cut yourself (cut resistant glove recommended)!

Note:  This is a work in progress--need to adjust plunger length and possibly modify other Tradrack components to ensure brakes remain engaged for non-selected feeder lanes.

Bill of Materials:

  • 1x  9mm, 60° Breakaway Utility Blade

  • 1x  5.5mm Ball Bearing

  • 1x  ECAS04 Bowden Coupler

  • 1x  D2F-01F-T Microswitch

  • 1x  .5mm - .7mm Spring Steel Wire

  • 2x  M2x8 Screws SHCS

  • 1 x M5x10 Screw SHCS

  • 1 x M5 Ball Spring T-Nut