Module (mn)
Driving N. Of Teeth (Z1)
N. of Teeth (Z2)
*Pitch Angle(ε)° Usually 90°
Driving (Z1) Gear Cycle
Helical Angle (β)
Degree°
Minute'
Second''

Total Angle°
Driving Gear Z1
~Outside Diameter (Øda1)
Pitch Diameter (Ødo1
Minor Diameter (Ødf1)
~Tooth Thickness (B1)
Pitch Angle(δ1)
Outside Angle (α1)
Rear Back Angle (θ1)
Cone Main Straight Length (Ra1)
Distance Between Center and Pitch Dia. (F1)
~Pitch Dia.- Distance Betw. Belly Protrusion (G1)
Virtual Tooth Number (Zi1)
Driving Pinion Gear Z2
~Major Diameter (Øda1)
Pitch Diameter (Ødo1
Minor Diameter (Ødf1)
~Tooth Thickness (B1)
Pitch Angle(δ1)
Outside Angle (α1)
Rear Back Angle (θ1)
Cone Main Straight Length (Ra1)
Distance Between Center and Pitch Dia. (F1)
~Pitch Dia.- Distance Betw. Belly Protrusion (G1)
Virtual Tooth Number (Zi1)
Common Values
~Biggest Tooth Depth (h)
Inner Module (mi)
Calculation of the Transmission/Cycle Ratio of the Driven Gear
Transmission Rate
Z2' Cycle (dev/dk)
Z2' The Path Per Cycle (mm)
Z2's The Path per Minutes (mm)