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Gear Identifier Gauges — image 1

Gear Identifier Gauges

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These gauges allow quickly validating the tooth count of 20 DP/20 degree pressure angle gears.

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Gears used in FIRST robotics (FRC) are often unlabeled. The common gear is 20 Diametral Pitch and 20 degree pressure angle. Counting teeth can be tedious. 

I print these on a a PRUSA Mini in PETG with 15% infill. Using the filament color change (black then a lighter filament color) so the contrast of the labels stands out. The cavity for the gear is offset by .02" from a projected profile of a gear model from suppliers.

Created in Fusion 360 - Model

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