Enter the pitch diameter, rotational speed of the sheave, and the belt length into the calculator to determine the belt frequency.
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Belt Frequency Formula
The following equation is used to calculate the Belt Frequency.
BF = pi*D*N/L
- Where BF is the belt frequency
- D is the diameter of the sheave (in)
- N is the rotational speed of the sheave (RPM)
- L is the length of the belt (in)
To calculate the belt length, multiply the diameter by the RPM, then multiply by pi, then divide by the belt length.
What is a Belt Frequency?
Definition:
A belt frequency is a rate at which a belt completes a full complete cycle of its length. In other words, it’s a measure of the time it takes to travel the full length of the belt.
How to Calculate Belt Frequency?
Example Problem:
The following example outlines the steps and information needed to calculate Belt Frequency.
First, determine the sheave diameter. In this example, the diameter is measured to be 5 inches.
Next, determine the RPM of the sheave. This is found to be 50 RPM.
Next, determine the belt length. This belt is measured to have a length of 36 inches.
Finally, calculate the belt frequency using the formula above:
BF = pi*D*N/L
BF = 3.14159*5*50/36
BF = 21.8165 belt lengths/min
