2014-06-09 (M) Upcycled 3D Printer

The tensioning wheel was removed from the printer. A smaller rubber inline skate wheel was selected to replace the large plastic wheel. The bearings and spacer were removed from the plastic wheel. Speed rings, which are small washers placed on the outside edges of the bearings, were added to reduce friction. A longer bolt was purchased because it was fully threaded and long enough for this application.

 The old tensioning wheel

The smaller wheel

Bearings and spacer out of the old plastic wheel

All the parts for the new tensioning wheel

 Placement of the speed rings

The nuts were tightened around the wheel. After assembly and good testing the wheel and bolt were placed into the printer. The bottom nut was adjusted for height so the wheel pressed on the chain. Rubber bands were added to keep the wheel tensed against the chain.
 Position and height of new tensioning wheel

Rubber bands to provide tension

To do:
  • Program the new specs + air pump 
  • Physically install Arduino + shield 
  • Test + Debug 
  • Revise Documentation

The rest of the posts for this project have been arranged by date.

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