What problems do color box printing often encounter during the die-cutting process?
The mold cutting process is a crucial step in the processing of color boxes. How to ensure the quality of mold cutting is a matter of great concern for printing factories. At present, common problems in packaging and printing factories include long replacement time, poor printing and cutting accuracy, poor mold cutting quality, excessive paper fuzz, large connection points, irregular marks, slow production speed, and high waste rate. The following are specific introductions to the top printing
businesses in Nanjing:
1、 Too many and too large connection points
The end users of color boxes always demand smaller connection points, while manufacturers always make machines run faster, which increases the difficulty for operators. In order to reduce difficulty, the connection point should be at the force point, using a grinder. Nanjing Packaging and Printing Factory is considering using hard strips or cork to prevent the connection point from breaking and making it smaller and smaller.
2、 Irregular traces
Considering the need for folding cardboard boxes, the color boxes must have good indentation lines. More importantly, when these boxes are running on the automatic packaging machine, the opening force must be stable and consistent. In this way, selecting the appropriate type of trace during the mold cutting process is a fundamental element. Nanjing Packaging and Printing Factory selects the height and width of the marks based on the thickness of the paper, and adheres the appropriate mark lines to the mold cutting bottom plate. Indentation can achieve higher quality and make the box easy to fold.
3、 Long version change time
The preparation work before replacement should be done well. Based on the centerline of the equipment, mold cutting tools can be conveniently and accurately set, including full-size mold cutting plates, pre installed bottom templates, etc. At the same time, the external pre installation of tools and fine tuning on the machine further reduce the adjustment time for duplicate products. Under a good management system, Nanjing Packaging and Printing Factory can usually complete the replacement of duplicate products, including automatic waste, within half an hour.
4、 Slow production speed
Many color box printing factories have relatively low mold cutting speeds, and using modern automatic mold cutting machines, operators can easily achieve the highest production speed. Nanjing Packaging and Printing Factory utilizes tools recommended by equipment manufacturers to optimize production speed. In addition, 5S management and quality control management can also enable products to achieve high quality.
5、 High scrap rate
The scrap rate in most printing factories is usually very high. At the beginning of the mold cutting adjustment, there will be some waste that can be reduced by using appropriate tools and correct steps. The waste generated during operation is generated by shutdown and paper blockage. Proper adjustments and accurate tool preparation can reduce waste rates. In addition, manual waste removal will also increase waste rates and reduce profit margins.
With the upgrading of the consumer market, consumers have increasingly high requirements for the appearance level of product packaging. Therefore, color box printing is very important for printing factories. Mold cutting technology is a key step in color box printing. Only by understanding the problems that are prone to occur in detail and solving them can we better complete color box printing.