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Extruder Drive Gear Test Rig – 3D printable model from Thingiverse Thingiverse

Extruder Drive Gear Test Rig

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I designed this testing fixture to compare the "bite" between several different extruder gears. An axle made out of a metal clevis pin holds the drive gear, pivots at one end, and allows you to hang a weight on a string from the other. Then I used a pull scale (for weighing luggage, fish, etc) and tested how much each gear could hold before slipping.

Full test details and results are in my Instructable. http://www.instructables.com/id/Extruder-Drive-Gear-Shootout/

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