... reach 35meter/minute;2.This machine use high speed water-cooling system,induction motor,steady power,high frequency,long life-span, ... works high speed;5.Easy operation:use NAIKAI control system,continue carving when stop,recovey when there is no ... .6.Main shaft motor with the most advanced water-cooling system,filtrate system,anti-canker system,garantee motor working well. wood carving sample