The ink is colorless and transparent, the UV light is rapidly cured, the cured film is not yellowed, the adhesion fastness is good, and the toughness is good.
For printing companies that use a variety of substrates, such as printing and printing companies, packaging and label printing companies, and for producing greeting cards or book covers with double-sided printing, the Speedmaster CD74 double-sided printing press is ideal. model. In addition, the heat generated by the infrared lamps during the start-up process of the UV lamp is also sufficient to deform the plastic sheet, resulting in inaccurate overprinting, and the print size is not disorderly.
Registration is also one of the common problems in UV plastic printing. The plastic sheet is harder and softer than paper. It is easy to create overprinting problems in the printing process.
In the curing of UV inks, the internal components are cross-linked and aggregated, and the volume changes instantaneously to generate greater internal stress, which affects the adhesion of the ink to the substrate. In addition to the single-sided printing and double-sided printing of the standard models, the Speedmaster CD74 also has a variety of printing units and coating machine configuration, can be a machine with a dual coating machine, or the integration of UV coating and other functions The models that come together can also be a machine that coats paper before finishing printing or after printing, and is completely configured on demand. The printing substrate may be a transparent plastic film, such as PVC, PC, PET, or paper, metal, glass, ceramic, etc. The screen mesh number is preferably 200-350 mesh. Using this ink to print the grating film can greatly reduce production costs and improve production efficiency. In this regard, when the plastic sheet is positioned, it is only possible to use a side-indicating rule, and it is not possible to use a side-pull gauge to avoid over-printing inaccuracies due to lack of strength of the pull-tab. Therefore, before the printing, the surface treatment of the plastic sheet is generally required to improve the surface tension of the plastic sheet and increase the adhesion of the ink. Currently, corona treatment is used more often.
Although the surface treatment or modification of substrates can improve this problem, the fundamental solution is to reduce the development of UV inks with good adsorptivity, low shrinkage stress, and low cost. Different from the traditional hot press molding process, the new process adopts the screen printing method. The ink is printed on the packaging machine 'target=_blank> transparent film, and the column grating pattern is formed directly; the three-dimensional grating ink can also be directly printed on the printed matter. The formation of three-dimensional patterns, but also selectively print patterns to make the three-dimensional, the three-dimensional effect of the printed pattern is significant, and hot-pressed grating board comparable, for the three-dimensional printing has opened up a new method.
New Progress in UV Printing Technology
For this problem, Manroland uses cold-UV technology from Eltosch on its offset printing equipment. This technology utilizes a replaceable reflector to reflect the generated infrared light when the UV lamp is started, and uses a cooling source to cool it during operation. The emitted UV light is used to cure the UV ink.
Subaru CD74 offset printing press for UV printing
Hainan has recently introduced a UV three-dimensional raster ink UV-1278N, mainly used for printing three-dimensional grating diaphragm.
For printing companies that use a variety of substrates, such as printing and printing companies, packaging and label printing companies, and for producing greeting cards or book covers with double-sided printing, the Speedmaster CD74 double-sided printing press is ideal. model. In addition, the heat generated by the infrared lamps during the start-up process of the UV lamp is also sufficient to deform the plastic sheet, resulting in inaccurate overprinting, and the print size is not disorderly.
Registration is also one of the common problems in UV plastic printing. The plastic sheet is harder and softer than paper. It is easy to create overprinting problems in the printing process.
In the curing of UV inks, the internal components are cross-linked and aggregated, and the volume changes instantaneously to generate greater internal stress, which affects the adhesion of the ink to the substrate. In addition to the single-sided printing and double-sided printing of the standard models, the Speedmaster CD74 also has a variety of printing units and coating machine configuration, can be a machine with a dual coating machine, or the integration of UV coating and other functions The models that come together can also be a machine that coats paper before finishing printing or after printing, and is completely configured on demand. The printing substrate may be a transparent plastic film, such as PVC, PC, PET, or paper, metal, glass, ceramic, etc. The screen mesh number is preferably 200-350 mesh. Using this ink to print the grating film can greatly reduce production costs and improve production efficiency. In this regard, when the plastic sheet is positioned, it is only possible to use a side-indicating rule, and it is not possible to use a side-pull gauge to avoid over-printing inaccuracies due to lack of strength of the pull-tab. Therefore, before the printing, the surface treatment of the plastic sheet is generally required to improve the surface tension of the plastic sheet and increase the adhesion of the ink. Currently, corona treatment is used more often.
Although the surface treatment or modification of substrates can improve this problem, the fundamental solution is to reduce the development of UV inks with good adsorptivity, low shrinkage stress, and low cost. Different from the traditional hot press molding process, the new process adopts the screen printing method. The ink is printed on the packaging machine 'target=_blank> transparent film, and the column grating pattern is formed directly; the three-dimensional grating ink can also be directly printed on the printed matter. The formation of three-dimensional patterns, but also selectively print patterns to make the three-dimensional, the three-dimensional effect of the printed pattern is significant, and hot-pressed grating board comparable, for the three-dimensional printing has opened up a new method.
New Progress in UV Printing Technology
For this problem, Manroland uses cold-UV technology from Eltosch on its offset printing equipment. This technology utilizes a replaceable reflector to reflect the generated infrared light when the UV lamp is started, and uses a cooling source to cool it during operation. The emitted UV light is used to cure the UV ink.
Subaru CD74 offset printing press for UV printing
Hainan has recently introduced a UV three-dimensional raster ink UV-1278N, mainly used for printing three-dimensional grating diaphragm.
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