Smart Spool Holder (runout, jam sensor)
thingiverse
As I worked through the original design, I noticed a discrepancy - it claimed compatibility with micro switches paired with rollers. However, upon fitting one cover, I realized it was actually intended for normal limit switches. To overcome this limitation, I adjusted the model to accommodate micro switches and modified the axle to handle larger spools more efficiently. This modification also enabled smoother operation. For added flexibility, users can opt to replace metric nuts and bolts with imperial ones, utilizing 1/8" x 1/2" or 5/16" fasteners as needed.
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