· The slotting box height adopts manual adjustment inner ring gear structure.

· The first creasing roller, the cardboard after pre-pressing is not easy to be crushed.

· Slotting tool holder traverse structure, manual matching with linear slider, making movement flexible and accurate.

· The upper and lower cutter holders are interlocked to keep the upper and lower cutters aligned while moving, thus extending the life of cutter.

· Slotting phase, computer digital control.

· The traverse positions of the pre-pressing wheel, creasing roller and slotting cutter holder adopt manual control.

· Pre-pressing and indentation clearance adjustment adopts self-locking structure.