When the flexible plate is placed on the front side of the plate making machine, in order to ensure the quality of the film and the flexographic printing surface, the plate making machine is equipped with a vacuum pump to vacuum, and the side of the film required to be close to the flexo must be rough (matte). This can prevent air bubbles from remaining between the film and the flexo plate and affect the quality of the flexographic printing surface. The bead used for the pressure film and the flexographic edge should also be indented and can be used for lateral air conduction. In addition, there are specific requirements for the blackness and transparency of the film. This article will introduce you to the six-color 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 the 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 batch size and low production variety. 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.
When designing the ink draft, the film should be longitudinally reduced according to the above ratio, and then through the plane exposure plate making, the printed product will meet the size requirements. It should be further explained that the printing length is analyzed and estimated in actual production. The determination of R should consider many factors. For example, when the plate roller gear module is 1/8 inch, the printing length can only be increased or decreased by 3.175 mm steps; other factors also reduce the paper consumption, leaving the sticking plate. The amount of allowance, and the limitations of machining indentation die-cutting tools, etc.
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