... : Steppe 4, Working Voltage: AC380/50Hz or AC220/50Hz Auto PCB Punching MachineParameters: 1, Table Size780*1380mm2, Operation ModeSteppe3, Working VoltageAC380 ... get high accuracy;3) Subdivision stepper motor with excellent performance, quick speed, stable operation, and large cutting movement to ensure long ... machine can be disassembled, so it is easily transported. Auto PCB Punching Machine