Automatic case maker adopts automatic paper feeding system and automatic cardboard positioning device; there are features of accurate and quick positioning, and beautiful finished products etc. It is used to make perfect book covers, notebook covers, calendars, hanging calendars, files etc. Feature: 1. The feeder in this machine adopts back-push feeding system, which is controlled pneumatically, and its structure is simple and reasonable. 2. The width between stacker and feeding table is adjusted concentrically in the centre. The operation is very easy without error. 3. New designed copper scraper cooperates with the roller more compactly, effectively avoiding paper winding. And the copper scraper is more durable. 4. Adopt imported ultrasonic paper tester device, simple operation which can keep two pieces of layered paper from entering into the machine at the same time. 5. The cardboard feeding table is controlled by linear guide line and servo motor, its location is correct and quick. 6. In the cardboard feeding table, the machine can automatically stop when lack of paper to reduce reject rate. 7. Transport belt is equipped with a powerful vacuum fan to keep the paper without any movement. 8. Paper feeding and positioning system adopts imported high-precise photoelectric control device to make the paper and cardboard location more accurate. 9. The folding unit adopts special automatic angle-repair, edge-repair to ensure high yield. 10. The whole machine adopts PLC control, featuring in simple operation. The troubles are displayed directly on the screen, which helps the operator easily remove them. 11. optional device: glue viscosity meter