It has the advantages of: low noise, high rotational speed, and easy operations. The machine has a safety protective device, lighting device and a vacuum pipe. The vacuum pipe can be connected directly to a dust retraction unit for dustless operation. The motor and protective device are embedded in this machine to make it easier to carry. The advantages of the suction box are: low noise, small size and strong vacuum pipe power, and it is very easy to carry and easy to clean.