Enter desired values for the following:Number of Teeth 48 (Between 6 and 50 teeth)Diametral Pitch P 16 teeth/in. (Standard sizes: 2.5, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24, 32, 40, 48)Applied Torque (in-lb.) T 15000 in-lb.Internal diameter (if hollow) 0 in.Pressure angle f 37.5 degrees (Typically 30, 37.5, or 45 degrees)

Dimensional RelationsCircular pitch p 0.196 in./toothPitch diameter d 3.000 in.Addendum a 0.031 in.Base circle diameter 2.380 in.Circular tooth thickness t 0.098 in.

Diametral Pitch 1 thru 12 16 thru 48

3.113 3.113 in.2.888 2.875 in.0.056 0.056 in.0.056 0.063 in.

Effective Spline Length 0.094 in.Shear Stress t 3173.185 psi

References:

Involute Spline Design - Tyson Baker F'01

Nt

di

db

doi (Major dia. internal)dre (Minor dia. External)b1i (Dedendum internal)b1e (Dedendum ext.)

Le

*Shear stress and spline length are calculated based on the assumption that only 25% of the teeth make contact at any given moment.

Deutschman, Michels, Wilson. Machine Design: Theory and Practice. Macmillan, 1975. Pp. 374-376.

(Standard sizes: 2.5, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24, 32, 40, 48)