Once our carton box printing machine finished, our corresponding technicists would test the machine in strict accordance with the testing criteria, after testing with no problems with all details, then we arrange the shipping of the printer slotter die cutter machine.

As below are our testing criteria of printing, slotting, and die cutting unit.

1. Speed testing:

When the board is at the maximum or minimum length and width, the speed can reach 60% of the design speed; When the board in the maximum feed size of 1/2 length and width, the speed can reach 80% of the design speed. The speed mentioned above can guarantee the accuracy of the following functions.

2. Printing quality:

Within the range of printable size, the first color shall be printed with the leading edge of the board as the reference point, and the range of registration accuracy shall be ±1mm. Taking the first color as the reference point, the second color, the third color and the fourth color registration accuracy shall be ±0.5mm, and there shall be no omission or uneven printing color. No ink drag or ink on non-printed area.

3. Slotting registration:

The slotting unit can be connected to produce three and five layers of corrugated board, and the accuracy range of machine running direction is ±1.5mm.

4. Die cutting registration：

The die cutting unit can be connected to produce three and five layers of corrugated board and the accuracy range of machine running direction is ±1mm.

Only in this way, can our China carton packing machine stand firm of the quality.