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)
Approximation
Error