How to use Braille printing cleverly

What is Braille Printing? After printing the text or image, the paper is fed into the Braille machine, and the Braille ink is sprinkled in the machine. The sticky ink is stuck on the wet ink and the non-graphic image is drawn through the built-in vacuum sucker. Some of the braille powder is sucked away, and the braze powder is melted after the heater has warmed the paper. After cooling, the surface of the ink will be convex. The process has a long history of application in the United States and other developed countries. At the beginning, it can only be used for narrow prints such as business cards. In recent years, technical progress has been made so that the Braille machine can be applied to larger-format paper sheets, thus enabling the use of braille printers. Into the gift card, packaging industry, and rapid development. Braille printing production process is as follows: White material or printing semi-finished products - transparent oil or color ink printing - Braille spraying - non-embossed part of the suction - heating - cooling embossing - other post-processing embossed printing advantages: 1 No matter if it is a visual effect or feel, the convexity of convex printing is bulging and rounding, and the effect is obvious. This is not possible with other processing methods. 2. Braille printing uses printing ink as the reference position for protrusions. There is no registration problem in this range. 3、Because there are many colors such as gold, silver, blue, green, etc., and there are fluorescent, matt, imitation metal, flashing films and other series of convex words, it can get flash, different colors, etc. The effect is also beyond the reach of other processes. 4. Only 2-3 packaging companies in China have the Braille printing equipment, so braille printing has better security performance. The difference between embossed printing ink and embossed foaming ink, post-printing embossing, and foaming ink can also obtain the effect of surface embossing. However, embossing printing is still different from them. The main points are as follows: (1) Embossing is through embossing The plate has a raised effect in a pressure-like manner, with a pronounced dent on the back of the finished product. There is no trace on the back of the printed Braille product and it is as smooth as usual. (2) Concavity and convexity Due to the limitations of plate material and processing principles, too fine patterns cannot be processed. When Braille printing is used to make text less than 6 points, the edge sharpness is still good, and there is no deviation from the text. (3) The principle of foaming ink is similar to that of embossed printing, but it is generally applied to textiles. Most of the problems on paper are poor adhesion, and the effect is not as good as embossing. At the same time luminous ink can not produce fluorescence, multi-color effects. The defect embossing printing found in the application of embossing printing also found some defects in the application. For example, when gold and silver embossed words are printed on dark inks such as black ink, due to the presence of an exposed bottom phenomenon, even if the background color is exposed, the gold and silver will be dark, resulting in a bad effect: a large area of ​​embossing The surface of the effect is uneven, which makes the effect of large-area applications unsatisfactory; some powders, especially gold and silver powders, may not be cleaned when they are convex; they have not been well resolved; in addition, the need for higher print quality The heating temperature, so the gold, silver cardboard and other composite paper applications are not good. The Key to Braille Application: Avoiding weaknesses in design In November 2001, the manufacturer of the Braille machine in the United States made a copy of the latest promotional materials. It was mentioned above: “The key to the effect of braille printing on conventional prints is "Good design" is an extremely insightful view. Therefore, how to apply braille printing to avoid weaknesses is the key to the development of the project in the future. At present, some people do not actively promote the use of certain defects. This is undesirable. Designers must understand the strengths and defects of the process, and apply the process characteristics and design ideas organically. This article describes in detail the advantages and disadvantages of braille printing. For example, from our past applications and other sources, we can see that black-and-fine-line or thin-line patterns have a very good effect on translucent embossing. The “classical boutique” stationery cover is also ideal for a double-colored pearl-blue effect. Hengtai Company Wang Jiyin