AP400 punching machine is specially used for punching papers of table and wall calendars, notebooks, exercise books etc. 

The paper feed table moves up each cycle driven by a stepping motor which accurately controls the amount of sheets fed into the machine. The amount of sheets is adjusted using a touch screen. The paper is taken into the punching die by conveyers and then be aligned from three sides at the same time ready for punching. After punched, the paper is taken into the paper collector in order automatically. Both the paper size and paper margin can be adjusted. Various punching dies can be offered to punch different holes.