Special function Automatic visual locating without location hole Technical parameters Maximum working area(cm) : 30×30 Working speed(m/min): 4.8 Resolution: 0.003125mm Spindle speed (r/min):0-60000 Stepless adjustable Spindle power(w):95 Circular guideway : Linear guideway Transmission mode : Import ball bearing screw Drilling aperture(mm):0.4-3.175 Drilling rate (strokes/min):100 Control Mode : ARM Communication mode : RS-232/USB Power Supply: AC220V 50HZ Operating System: WindowsXP、Vista Compatible format: PROTEL、DXP、POWERPCB/AUTOCAD Minimum memory setup(MB):256 Limited Protection: Double limited protection of XYZ-axis, automatic stop when overlimitted Weight: 60KG Consumed Power: 220W