Measurement Over Teeth [ MOT ]
No. Of Teeth [Z]
Module [M]
Helix Angle [β]
Pressure Angle [α]
Profile Shift Coefficient [x]
Transverse Pressure Angle [αt]
B.T.L Measured Over Teeth Method
B.T.L Measured Over Teeth [wk]
B.T.L (MOT) [w]
Base Tangent Length [Fig. 1] MOT Diagram