... , rectangular shape, etc.7.Adopt CNC technology, servo motor in-feeding, with high efficiency, stable workpiece precision.8.Key electric, hydraulic and ... .10.Only need to input size of workpiece, diameter of holes, stadia and quantity of workpiece when edit program, or use CAD ... , RS232 interface, floppy disk and USB interface JX4014 High Speed CNC Punching Marking and Cutting Machine for Angles