This program will calculate all of the gear data necessary (and more) for manufacture of fine Pitch External Spur Gears, Internal Spur Gears, Helical Gears, Worm Gears, and Worms. It ranges from 12 Diametral Pitch to 120 Diametral Pitch for inch and 0.25 to 1.5 Module Metric Series
The "Spline Calculator" calculates the inspection dimensions of spline profiles.
GRC tells you the attainable speed for each gear at any given engine rpm.
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