As the darling of the packaging and printing industry, trademark printing is widely used in products and industries such as daily chemicals, cosmetics, electronic appliances, medicine, daily necessities, food and beverage, supermarket retail, logistics, etc., and has become an indispensable part of the printing field. In recent years, with the wide application of labels and the continuous enrichment of label types, the innovation and development of label printing technology has been promoted, which has led to the development of more advanced and efficient label printing equipment. This article will introduce you to the sales skills of the printing machine.
Prepare the work before printing. Preparation before printing is the basis for ensuring the quality of printing and printing. Therefore, before the printing work is carried out, it is necessary to carry out a complete and careful inspection of the printing machine to ensure that the appearance thereof is lubricated, flat and free of dirt, scratches and the like. In addition, it is necessary to keep the stencil of the printing machine to a certain extent, the film is not dirty, and the transparent glass plate is clean. The printing machine should be able to obtain a vacuum of 80 kPa (650 mmHg) within 60 s; the vacuum of the printing machine should not be reduced by 20 kPa (150 mmHg) 5 minutes after the power of the printing machine is turned off.
The uniformity of the light source of the printing machine is required to be above 86% (using precision measuring instruments). Use a 30% dot film film to print a PS plate. After development, measure with a densitometer. The error between the middle and the four peripheral angles is generally less than 2%, so that it will not appear when printing large-area color blocks. Color difference.
Compared with the LED digital tube, the printing machine I has great advantages, and can freely edit the true color picture, and can realize the animation effect. The PLC-based control system is more advanced and more user-friendly than the older models in terms of interface friendliness and functionality.
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