Quote Originally Posted by kregan View Post
Maybe I need to tweak my VFD settings then? The only time I need the eztra power is during sudden changes in load on the cutter. on a 3/8" endmill I sometimes bog down until the VFD can catch up to the change in load but sometimes that can be to late and the combination of the slower RPM (due to the bog) and heat generated during that short period of time can clog the cutter and then we know what happens.

Flood coolant would help that i'm sure but I use a mist... Don't you use flood?
There is no way a 2HP motor should "bog down" with a 3/8" tool, no matter what you're doing. Something is very wrong there....

Regards,
Ray L.