power and transmission device of flat screen printing machine.motor. Generally, four-stage AC bai machines are used in screen printing machines, and the voltage is 380v or 220V(220V is convenient and widely used). The power depends on the machine. Large equipment can be driven by two or three motors respectively.Air pump. Generally, the pneumatic screen printing machine needs an air source above 6kgf/cmz. There are positive and negative air pump pressures.Hydraulic pump. The power source of hydraulic screen printing machine is hydraulic pump.Electromagnetic clutch. The electromagnetic clutch on the screen printing machine is integrated with the motor, and it is also installed as a single unit. Its function is to change the frequent starting of the motor into normal rotation, so that the ac