Working principle & Introduction:

The model JL144-B mechanical counter is a kind of preset subtraction counter. Its subtraction counting is carried out by the swing of the pulling lever on the right side of the counter through the pinions. The preset value is set up through respective moving of every number wheel before every circulation. When its counting reaches its preset value, the shift of the controlling lever inside the counter will drive its braking mechanism to carry out braking, fulfilling its control function. It is mainly applied in high-speed oil printing machine, offset printing machine etc.