Paint sanding and buffing machine.
The motor drives sanding shelf and grind workpieces to complete so that the workpiece is smoother, uniform thickness, smooth surface to meet the requirements. 
Grinding materials includes emery cloth, abrasive cleaning cloth, nonwoven polishing wheels and other polishing method to be selected and combined. 
For the raw materials above 300MM, pressing boots is good for the contact between the surfaces of the sanding belt and the workpiece.