The ink used in flexographic printing is a low viscosity ink similar to gravure printing. It is necessary to select inks of different binders and solvents for printing according to the quality requirements of the products. For example, in order to obtain a print having good heat resistance and toughness imprint, an ink made of an acrylic alcohol resin as a binder may be used; it is desirable that the print has a good gloss, and an ink having a polyurethane resin as a binder may be selected. For example, printing on polyethylene non-absorbent film, you can choose fast-drying, good adhesion solvent ethanol ink; if you print on corrugated board, book, newspaper paper, you can choose easy to clean, no environmental pollution Water-based ink, this article will introduce you to the web double-sided flexo press.
Flexo printing has a long history in our country, but in the process of use, there will still be a lack of use, so when choosing a flexo model, it should be judged according to the actual situation.
According to the type of printed matter, the quality of the printing machine selects the model of the flexo printing machine. If a certain kind of printed matter can choose a variety of flexographic printing machines, it should analyze the performance and cost performance of different models, and choose the most flexible. The printer's special features and functional models, even for similar flexo presses, will vary in detail when printing different prints. These factors should be taken into account when selecting a flexo press model.
According to the type of printing machine selected flexo printing machine, it can be divided into two types: sheetfed and web. The type of flexo printing machine for sheetfed is generally used for printing products with large variety and small output. The printer model is generally used in the case of large batches and small production varieties. The web flexo press models are divided into three categories: cascading flexo press models, satellite flexo press models, and unit flexo press models. These flexo press models are different and suitable for printing. The materials are also different and should be distinguished.
The key here is that the flexibility of the printing plate is fully utilized: although the bulk is slightly under pressure, but the kiss is full, the printed ink is very good, and there is no hard mouth; and the small text, thin lines, and the screen image part The printing plate has a high hardness, and the dot is not easy to expand and deform.
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