Flexo Printing Machine have many spare parts, such as Ink Filter, Slotting Blade, PET-Film, Fiber Tape, Printing Cushion and so on. Some of them can help you improve printing quantity.
--LLY PACK
Here show you quickly identify different printing blank
In the cardboard printing process, there are many quality problems, such as printing paste, deinking, printing blank and so on. And printing blank is the most common one.We will introduce how the operator quickly find the type of printing blank and fix it. Printing blank is the most common and difficult quality problem in corrugated carton production. The printing blank seriously affects the printing effect, which will lead to the unsightly printing on the surface of the carton, and even a large area of printing blank will be regarded as unqualified products, resulting in production waste.
Printing blank appeared because of many reason, such as water absorption of paper, ink viscosity, printing pressure, paper scraps, dust, etc. Of course, the reasons for printing blank are different, and the methods are also different. As an operator, how to quickly find a solution to the problem?
Below focuses on the three most common printing blanks and solutions:
1. Printing blank resulting from low ink viscosity: the printing pattern ink is shallow and pinholes appear.
Printing blank resulting from low ink viscosity. The most obvious is that the ink color of the printed pattern is too light, and pinholes appear, and the printed pattern looks very empty.
Solution: In case of such printing blank, first check the viscosity of the ink. You can increase the viscosity of the ink or add some new ink. Such printing blank can be solved.
(Flexo Printing Machine have many spare parts, such as Ink Filter, Slotting Blade, PET-Film, Fiber Tape, Printing Cushion and so on. Some of them can help you improve printing quantity.)
2. Printing blank resulting from paper: deinking of printing pattern
The printing blank resulting from paper is mainly reflected in the deinking printing mode. If it is a color block printing blank, it is mainly reflected in the middle of the paper, because the ink absorption of the paper is very poor, the ink does not penetrate the paper, and the ink floats on the surface of the paper. As long as the paper is wiped, the ink will fall off.