Pulley size and rpm calculator. 125 cm 1776 seeds 704 cm. How to calculate driven pulley dia or rpm. Rpm d the rpms of the first pulleyd d the diameter of the first pulleyd d the diameter of the second pulley. You just enter details of the first pulley along with the size of second pulley and get the answer.
Simply enter the values and click calculate. 1750 rpm 1000 rpm 35 inches d 2 d 2 6125 inches. Below is a small calculator that will solve the ratio for you. Check the circle next to the item you are solving for and enter the remain three items in the spaces provided.
For example if your small pulley is 80mm diameter and spins at 1000 rpm and you need to find the second pulley size to spin it at 400 rpm enter pulley1 80 pulley 1 rpm 1000 pulley 2 rpm 400 and hit calculate to find the second pulley diameter. A 3 to 8 pulley would give you 1800375 675. More than one stages of pulley speeds can be calculated in a compound drive system. If you use an 8 pulley on the fan than a 3 pulley on the motor will be close.
Pulley and speed calculator. If you know any 3 values pulley sizes or rpm and need to calculate the 4th enter the 3 known values and hit calculate to find the missing value. Say you want to know what size pulley to use on that old planer to get 3450 rpm you know the motor rpm is 1725 and the pulley on the motor is 6. The cell plate 45 cell x 0395 rpm 1776 seeds drop in one revolution.
If the motor is 1800 rpm your current fan speed is 1800388 698 rpm. 38 375 ratio. Choose your preferred units and enter the following. Belt length around two pulleys.
Enter the driven pulley size in inches. Enter the motor speed in rpms. Fan motor calculations pulley size rpm air flow rate cfm hvac rtu duration. Urdu hindi elimkaadda.
2nd pulley rpm is yet another free pulley rpm calculator you can use. Using this pulley and belt size calculator. Adjust the drive and driven pulley sizes to achieve a certain rpm output. The calculator is very simple and work in the same way as other websites in this list.
Enter the motor pulley size in inches.