Related Resources: Pulley Center Distance

Toothed Pulley Center Distance Calculator

This calculator will determine a number of design parameters  for two toothed pulleys. Parameters include: Center distances, radius and diameter of large and small pulley's, and belt pitch.
Pulley Center Distance Calculation
Enters numbers in BOLD, Results in RED
Toothed belt
Belt pitch, P
Number of teeth on belt N
Start with a guess for C, and then use Goal Seek
Desired center distance, CD
Large pulley pitch radius, R2
Small pulley pitch radius, R1
Length of belt, Lt
Tangent segment, A
  pulley center distance approximation  
Gamma, g
Phi, f
Theta, t
Error (use "Tools/goal seek" to set value of N to zero by changing CD)