‌Apply design parameters to involute gear.
Press angle,
module,
number of teeth,
addendum, dedendum.

‌Shape of Gear fillet according to edge radius of gear cutting tool

‌Calculate overball distance and base tangent length

‌Generation of gear teeth shape by application of profile shift according to tool position.
Can be confirmed by rack cutting simulation.

‌Helical Gear Design.
Apply RH or LH direction.

‌Reverse calculation of profile shift value of gear.
This function is useful when the specific overball distance is the target of design.
Usually used in gear die makers.

‌Involute Spline function for JIS D2001/DIN5480 standards.

‌Unit Gear NX
All movies combined version