Ryan's Helical Gear Template
grabcad
A user-defined Diametrical Pitch, Number of Teeth, Pressure Angle, Gear Width and Helix Angle (15° - 45°) are key elements in my template for designing helical gears. It features involute curves with all necessary equations, and is initially set as a right-handed gear; however, it can be easily modified to left-handed by reversing the helix direction.
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