Hi everyone, I hope someone can help me with my problem. My spindle keep stalling and sometimes the breaker in the controller will trip. The spindle controller is a Sunfar E300 vfd, the spindle is a 2.2kw water cooled. My mill is a JUCT 6090B. I am trying to face a 12" x 12" x1" board removing 1/8" with a spindle rpm of 18000 . I am a newbie, CAN SOMEONE HELP!!