Reasons affecting the molding of sky and earth cover?

Raw material quality control, raw material is an important factor in determining the thickness and strength of the carton, therefore, to choose the best quality raw materials, in fact, to consider the problem of gluing area, in the process of debugging the machine need to pay attention to the overall situation of the gluing of the face paper, such as uneven gluing of the face paper will also lead to the molding of the box quality problems!