Metal sign factory briefly thermal transfer technology in the process of metal signs

by:ShunDing     2020-09-03
factory briefly metal plates thermal transfer technology in the process of production of metal plates according to the production process can be divided into the electroplating and electroforming corrosion signs, screen printing signs, signs, sandblasting label, sun panels, thermal transfer label six categories. Metal label - - - - - - - > metal sign factory briefly metal plates thermal transfer technology in the process of production of metal plates according to the production process can be divided into the electroplating and electroforming corrosion signs, screen printing signs, signs, sandblasting label, sun panels, thermal transfer label six categories. factory as an introduction to the sign of thermal transfer production technology. What is transfer printing, transfer printing refers to the middle carrier membrane by using the corresponding pressure is transferred to a method of printing on substrates, and according to different USES the pressure, the heat transfer can be divided into water transfer printing, thermal transfer, gas transfer printing, silk screen printing, transfer printing at low temperature, and so on. Among them, the heat transfer by any such as portrait, landscape image using thermal transfer ink ( The sublimation ink) Printed on a color inkjet paper ( Or special thermal sublimation inkjet printing paper) , or the ordinary printing ink on the film thermal transfer paper, through the thermal transfer heat heating equipment in a few minutes to a certain temperature, the design color paper lifelike transfer to porcelain, glass, metal, plastic, cotton fabric and other material on a special printing process. Using thermal transfer technology can be widely applied to ceramics, glass, metal, plastic, the material such as cotton fabric, but due to the heat transfer is limited by a hot area, object shape, therefore to the objects of different area, shape, often need to use a specific production tools, including the common thermal transfer tools are mainly tablet ( Pyrograph machine) , baking machine, baking cup machine, and so on. Then metal sign factory to introduce how the making craft of hot stamping metal sign: thermal transfer technology: base paper processing - > Printing layer - > Layer - printing design > - printing light-emitting layer > Cover layer - printing > - printing adhesive layer > Dry - > The packing. 1) Protective layer. With 300 mesh screen printing transparent thermal transfer printing ink (again If ink viscosity is too big, can use diluent dilution to the appropriate viscosity) , transparent inks, printing the entire design is mainly used to protect pattern layer, make design has wear-resisting, washing resistance, chemical resistance, and play a role localization design. With natural dry or low temperature drying. 2) Pattern layer. Pattern layer is thermal transfer ink color printing again, the number of wire mesh to 300 mesh, can use thinner according to actual condition to adjust viscosity. The order of the printing is based primarily on the color from deep to shallow. Pay attention to the accurate positioning, in order to avoid the deviation when printing light-emitting design again. With natural dry or low temperature drying. 3) Light emitting layer. Luminescent material with transparent thermal transfer ink press 1:1 mixture luminous ink, with thinner adjust viscosity. Using 100 ~ 200 mesh screen printing, printing of the number of according to luminous intensity, high luminous intensity, printing more, luminous intensity is low, fewer printing, printing two times commonly can meet the requirements. With natural dry or low temperature drying. 4) Cover layer. With luminescent material printing design, must after the pattern printing white reflective layer to increase the effect of personalized. We use the white ink printing ink on the whole design with coated with protective screen printing printing blanket again. With natural dry or low temperature drying. 5) The adhesive layer. Zui with 100 ~ 200 mesh screen printing again after hot melt adhesive layer, to ensure that covers the whole design. Mainly used for bonding pattern and fabric. With natural dry or low temperature drying. 6) The sign of the packing. After thermal transfer logo are packed in packaging film after drying of the smooth place.
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