... Stepper Motor 4.DSP Control System 5.Competitive Price PCB engraving machine SY-4040 Parameters: NO.DescriptionParameter 1X, ... control of software, high automation,high speed and efficiency, max.Speed over 14m/m 2,High power spindle and good rigidity 3, ... , computer tables, sewing machines, musical instruments.3. Board processing: plastic chemical components, PCB, ABS, PP, PE.4. Decoration: Acrylic, ...