... 900mm 3.PLC 4.3D Design Features and applications -Cutting all kinds of solid aluminum, aluminum, copper and hollow ... and efficient,easy to operate. -According to the Input numerical cutting, size precise. -Grinding range: 50mm-900mm. -Automatic feeding ... clamping, polishing and knurling. -Cut surface smooth,no obvious cutting scar. -Adjustable speed, easy for different materials workpiece. - ...