Quote Originally Posted by JAZZCNC View Post
I don't set my VFD to Display RPM just Amps so I can monitor for cutter wear so I'm very aware of the current they pull. For instance milling aluminium 4mm DOC full slot engagement with 8mm 3 flute cutter running 1000mm/min I only pull around 3A when cutter is new. Max is 5A when cutter is so worn it's crying stop.!!
Only when you jam up or Bog down will you get close or exceed 8A in which case the VFD should be set to Fault if above set amount for any period of time.
Thats interesting. Thanks for sharing. Great info. Does it work with 6mm 2 flute cutter also? Or its to small to see well difference?