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Figure 14 Max Pulley Speed
Your current pulley will be selected. Your Max Speed value is your pulley max needed for the spindle calibration.
Max VFD Hz
The maximum motor frequency is your Max VFD Hz (assuming your VFD is set up as shown above).
Commanded RPM
Enter in a spindle speed as shown above. Then turn the spindle on.
Actual Hz
Your VFD should display the current frequency in Hz, which is the Actual Hz value.
With the above information, you are ready to calculate your new velocity. Use the formula below:
New Velocity = Current Velocity*(Max VFD Hz *Commanded RPM/Pulley Max)/Actual Hz.
Your new velocity value should be fairly close to 1575. If not, check your calculation again.
Now go to the Motor Tuning and Setup window by selecting Config, then Motor Tuning. Press the Spindle
button and enter in your new velocity. Press SAVE AXIS SETTINGS before pressing OK. Your spindle should now
be calibrated.
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