PTC CREO Tutorial Video Part 6 | Helix Gear | Parametric Equations | Curve Equations.

I am using CREO 7.0 CREO 7.0 download link https://getintopc.com/softwares/ptc-creo-7-free-download/ Equations Transverse_module=normal_module/cos(helix_angle) normal_circular_pitch=pi*normal_module Transverse_circular_pitch=pi*transverse_module Transverse_pressure_angle=atan(tan(normal_pressure_angle)/(cos(helix_angle))) outer_diameter=pitch_diameter+(2*normal_module) root_diameter=pitch_diameter - (2*1.25*normal_module) base_diameter= pitch_diameter * cos(transverse_pressure_angle) case_diameter=pitch_diameter*cos(transverse_pressure_angle) normal_tooth_thickness=(pi*normal_module)/2 Transverse_tooth_thickness=(pi*transverse_module)/2 leed=pi*pitch_diameter/tan(helix_angle) Curve Equations base_radius = base_diameter / 2 Angle = t * 90 Cir_len = (pi * base_radius * t ) / 2 X_PNT = base_radius * cos(angle) Y_PNT = base_radius * sin(angle) x = X_PNT + (Cir_len * sin(angle)) y = Y_PNT - (Cir_len * cos(angle)) z = 0