... , 24000rpm >AC380V/50-60Hz >ISO9001, ISO14001, CE CNC Metal Milling and Engraving Machine:1.The bed lathe is welded with thick cast ... steel, and quenched before shaping to eliminate innerstress ... etc.3. Advertisement industry, such as cutting and engraving PVC sheet, hard plastic, acrylic, organic glass, resin, MDF sheet etc ...