Maqsood

How to calculate PPR to RPM

3 posts in this topic

Dear all  I am having trouble with calculation  of PPR to RPM.

I am unable to predict the right answer to monitor rpm of motor speed, actually I am using the proximity sensor for getting pulse per revolution.I have 4 pulses per revolution.Motor is connected with mechanical gear the gear ratio is 13:1 and motor speed is 1480.sensor is fixed after gear output.

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Well, 1480 rpm at the motor is about 113.8 rpm (1480/13) of the output shaft of the gearbox.  113.8rpm*4 ppr = 455.4 ppm. 

If you are counting the pulses of the encoder per minute and need to calculate the rpm of the motor, then it would look like this:

poPwuMepyt0AAAAASUVORK5CYII=

So, take your number of prox pulses per minute and multiply it by 13/4 and you will have your RPM of the motor.  Hopefully this is what you are asking.

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Thank you  it is very helpful for me.....

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