1, Auto PCB Punching Machine 2, Table Size: 780*1380mm ... Voltage: AC380/50Hz or AC220/50Hz Auto PCB Punching MachineParameters: 1, Table Size780*1380mm2, Operation ... get high accuracy;3) Subdivision stepper motor with excellent performance, quick speed, stable operation, ... with low noise;5) Humanistic design, the machine can be disassembled, so it is easily transported. Auto PCB Punching Machine ...