white cardboard gift boxes leak grayboard? Four steps to find the cause, easy to solve!

1. white cardboard gift boxes process process common problems - leakage of ash

The white cardboard gift boxes process is a multi-process multi-step process, due to the long production process of white cardboard gift boxes, the control of each step is related to the quality of each product. However, in practice, there are still some problems that affect the smooth production of white cardboard gift boxes.

Through 5 issues, I analyze the common problems in the process of white cardboard gift boxes - high and low angle, dark sores, ash leakage, blistering and embossing. In this issue, we will focus on white cardboard gift boxes with gray leakage defects.

2. white cardboard gift boxes in the process of the most likely to appear ---- gray leakage.

Leakage of ash, white cardboard gift boxes process is one of the most prone to problems, generally manifested in the form of the outer package material does not wrap all the gray board card, leaking a very small gap or an irregular edge, and mostly at the four top corners of the mouth, white cardboard gift boxes leakage of ash area varies in size, but seriously affect the white cardboard gift boxes quality. The causes of gray leakage are as follows. 3.

3. poor drawing of white cardboard gift boxes.

white cardboard gift boxes drawing planning is not rigorous, inside the folding edge overlap at the angle is too large, both sides of the package material folded inside, white cardboard gift boxes top corner can not be fully folded, resulting in laminated paper in the overlap outside the wrong, resulting in gray board card bottom leakage. In this regard, in drawing white cardboard gift boxes knife mold diagram, the four corners should be based on the requirements of the stacking, put away bit control in 0.2 ~ 0.4mm, too little risk of gray leakage, too large stacking width will increase, affecting the white cardboard gift boxes mouth edge beautiful, so white cardboard gift boxes Before drawing white cardboard gift boxes on product requirements and structure to have a deep knowledge of white cardboard gift boxes each part into the overall consideration, the more detailed understanding of white cardboard gift boxes the more meticulous, in order to draw out a full compliance with the process requirements of white cardboard gift boxes This is also the first step to prevent white cardboard gift boxes from leaking dust.

4. white cardboard gift boxes package material issues.

white cardboard gift boxes selected paper mostly double-sided coated paper, bright gold paper and bright silver composite paper. Double-sided coated paper surface process in addition to the oil is laminated, but these papers in the lamination process, the temperature of the drum, the size of the tension, can affect the stability of the paper, each lamination should be based on the characteristics of the paper, film, reasonable adjustment of the temperature and film tension, avoid high temperature and tension production.

To complete the lamination of white cardboard gift boxes printed surface, placed 24 hours to wait for its stability before entering the next process. Completely restore the stability of the printed surface, in order to ensure that the die-cut white cardboard gift boxes package does not change shape, the leakage of ash can be avoided.

5. white cardboard gift boxes surface process problems.

Many white cardboard gift boxes in the design will use UV screen printing process, UV screen printing process including snowflakes, dusting, frosting, gold onion and silver onion, etc., the effect of these processes are different, but the production process is more or less the same, no matter which process are required to go through the UV curing process, running under strong light and high temperature, will change the adaptability of the paper in the environment, elongation or shortening Inevitably. In this regard, to do the surface treatment process of white cardboard gift boxes paper to do the process of shaping recovery, the printing surface must be placed not less than 24 hours, so that after the die-cutting, white cardboard gift boxes wrapping material will not appear large expansion and contraction changes, there will be no gray leakage phenomenon.

6. white cardboard gift boxes positioning problem.

white cardboard gift boxes production process, after the wrapping material coated with glue, white cardboard gift boxes gray card boxes must be positioned in the exact location, the process is called positioning. white cardboard gift boxes positioning accuracy is critical, whether manually operated or automatically placed by machine. Once there is a deviation, the corners of the mouth will leak ash. In order to achieve the accurate placement, the manual to see the positioning angle of the package material, the machine to adjust the white cardboard gift boxes box drop time, for products requiring high precision, it is recommended that the back of the white cardboard gift boxes printed positioning line. Although this method increases the printing cost of white cardboard gift boxes, but the accuracy of positioning is greatly improved, white cardboard gift boxes qualification rate will also be improved. In short, no matter which method is used, as long as it can solve the problem of white cardboard gift boxes leakage of ash, it is worthwhile to choose, white cardboard gift boxes good quality is the hard truth.