How to improve the electro-aluminum hot stamping and bronzing products with its golden glittering effect, widely used in high-end goods package "V packaging, trademarks, advertisements, books and other printed products, hot stamping 1 brush effect, is other various printing methods Can not be replaced. Do a good job in the quality of electro-aluminum hot stamping and the plate used in bronzing, hot stamping temperature, hot stamping pressure, quality of anodized aluminum, hot stamping paper, thickness of ink layer and other factors, with dry silk Wan Hao's relationship can only improve the quality of hot stamping by mastering and controlling the above variables.

When bronzing, when encountering copper plate, zinc plate surface degumming, hard object scratching, fluffing and other uneven, not smooth, you can use fine charcoal water to grind the layout, but can not be worn too long, too deep, so that text, lines The pattern is rough and deformed.

Second, hot stamping on the choice of paper hot stamping paper requirements are relatively high, requiring paper finish and smooth, glass card, copper I plate paper, white paper for sorghum commodity packaging paper, offset paper second. The letterpress paper and the book paper have a rough surface and cannot show the metallic luster they should have. In the process of hot stamping paper, sometimes it may not be hot stamped or pull flowers, especially for softer paper, you can polish or print the background color beforehand, paying special attention to the ink can not be too thick or miserable Non-drying oils, such as kerosene, engine oil, dry oil, and corn dusting, prevent the ink from sticking and smearing when it is hot stamped.

Third, the quality of hot stamping aluminum, storage on the impact of hot stamping Aluminized aluminum is based on a coated film, coated with alcohol-soluble dyed resin layer, vacuum-sprayed aluminum, and then coated with an adhesive layer of.

The color of anodized aluminum is mainly gold, and there are dozens of colors such as red, green, silver, blue, orange, and royal blue. It can be used to stamp various packaging, trademarks, patterns, book covers, calendars, toothbrushes, Plastic, varnish, lacquer paper, wood products, etc.

The identification of the performance of the anodized aluminum by the gland can be carried out by means of a transparent adhesive paper SB or rubbed by hand. If the color layer is easy to fall off, it means that the electrochemical aluminum is looser and easy to bronzing. It is suitable for hot large characters and large layouts. On the contrary, it is not easy to fall off, and the tighter anodized aluminum can be used for medium and small-sized bronzing, or hot stamping when the temperature is low.

The storage period of anodized aluminum should not exceed two years. When storing, pay attention to anti-pressure, moisture-proof, heat-proof and anti-glare. In particular, the electrochemical aluminum should be protected from moisture, and the gold powder will fall off badly after the tide.

The color quality standard of anodized aluminum: 1 uniform color, no visible color after hot stamping; 2 good brightness, color close to standard.

The quality standard of the electrochemical aluminum primer: 1 uniform, smooth, white, no obvious stripes. 2 The trachoma should be as little as possible, the primer layer is slightly black, but it can not affect the quality of hot stamping and the brightness of the color.

In addition, the brightness of the anodized aluminum is good, and the hot stamping temperature is not high pressure at 1*C, the gasket material, and the hot stamping speed of the hot stamping machine are the key to ensure the quality of hot stamping.

The hot stamping of the printed matter is point contact, and the metal aluminum powder of the anodized aluminum layer on each point of the printing plate must be properly connected with the paper. However, in fact, the impression cylinder or the imprinting platform and the printing plate are both Metal body, of course, can not meet the "proper contact" condition, so a layer of S should be added on the impression cylinder or platform to make the impression of the impression cylinder, the imprinting platform, the unevenness of the printing plate and the paper surface. Relying on the elasticity of the spacer and the increased printing pressure, the electrochemical aluminum foil on each particle of the printing plate has proper contact with the surface of the paper.

1 Large-format text, line, and pattern printing products should use rigid liner paper. Because of the printing of such products, the paper used is generally coated paper, offset paper, white paper, and hard-lined to make the prints clear.

change. The fastness is good, the durability is strong, the gold powder is not off, and the definition is high. The 4th and 5th pairs of the letter are uneven, the paper has a smooth and smooth finish, and the smoothness of the word is hot stamped, and the writing is clear. Rough paper conditions, the liner is softer.

7 Fourth, the relationship between hot stamping pressure and bronzing quality The bronzing temperature affects the quality of hot stamping. The impression of printed matter when hot stamping is mainly due to the effect of printing plate on printing pressure. It is very important to adjust the printing pressure of bronzing. The bronzing machine is flat and flat, and the flat pressure is equal to the embossing method. "There is no pressure, there is no printing." The ideal pressure for printing bronzing is to require the drawings on the copper plate and the zinc plate to be unfrozen and completely transferred to the substrate paper. This requires a full understanding of the hot stamping operation. The characteristics of the manuscript, master the appropriate Chinese printing. 2002* print hot stamping process, you must master the electric heating temperature during operation. Although the electrochemical aluminum can be transferred under the action of temperature, the electroforming aluminum color layer can be transferred. However, the electric heating temperature should be mastered during operation. The electrochemical aluminum is not resistant to high temperature. If the temperature is too high, whitening or changing will occur when hot stamping. In red and blue, the brightness of the metal is reduced, so that the paper is broken. However, if the temperature is too low, it will not be hot stamped, and there will be broken strokes, hot stamping and graphics are not strong and imaginary, and the adhesion of the electrochemical aluminum is easy to wipe off. The temperature of the hot stamping machine is controlled by manual and automatic temperature regulators. of.

One principle: If the hot stamping area is large, the electric heating temperature should be higher, right, and at the same time according to the specific situation; hot stamping area, small, electric heating temperature to reduce, lower some temperature, 34th word hot stamping temperature control 80 ° C 10 CTC, 56 word hot stamping surface temperature 65 ° C 85 ° C or so. The speed of the bronzing machine is 25 sheets per minute.

Under normal circumstances, the electric heating plate on the hot stamping is equipped with a power of 600W 800W round electric furnace wire. The hot stamping plate should be adjusted according to the size of the layout. In the double plate hot stamping, two electric heating plates can be installed at the same time. Voltage regulating transformers, because the current products of different manufacturers of anodized aluminum are different in temperature, and the voltage is different at work, sometimes it needs to be high, sometimes it needs to be lower, so the heat level of the electric heating plate can be mastered separately.

Hot stamping should pay attention to the following points: - There is a background color under the bronzing, the ink layer of the ground color should not be too thick, the overprinting ink color is too much, do not add non-drying oil in the ink, to avoid too much oil in the bottom color ink layer, The problem of hot stamping is not possible. In this case, you can wipe it gently with anhydrous alcohol. When the wax grease and the crystallized layer are wiped off, the paper should be taken slowly and slowly. The paper removal action is rude, making it break the strokes and paste.

The most common fault of hot stamping is paste. If you encounter this problem, you should analyze it comprehensively and treat it differently. It is the temperature problem that lowers the temperature. If the pressure is not adjusted well, adjust the pressure. It is the problem of replacing the material with the problem of accumulating aluminum material. .

If there is a heavy writing when bronzing, when the paste is slightly pasted, the temperature should be appropriately lowered. At the same time, pay attention to less emptying and reduce unnecessary stoppage in the middle. Otherwise, it is easy to increase the heat of the electric heating plate. When the machine stops during the stop, the electric heat should be reduced by 20 °C and 30 °. C, or pull the valve to stop. Because the heat is too high, the kraft paper on the platform will be burnt.

Hot stamping of plastic skin, sometimes there will be hot stamping phenomenon, this is because the plastic has been plasticized, so that the plastic surface is attached with a layer of oil, or a layer of wax, so it is best to wipe with anhydrous alcohol , while rubbing and hot stamping.

The cover and back cover of the hardcover book, because the book cover of the hardcover lock is made of varnish and lacquer paper, the fiber cloth is coated with a layer of paint of various colors, called varnish, first in the paper cutter. The upper and lower dimensions of the material, because the varnish is soft, and has a certain degree of shrinkage characteristics, hot stamping should pay attention to the temperature and pressure control adjustment of bronzing. The depth of corrosion of the plated and zinc plate of the plate that requires bronzing must be deeper. It is better not to use bold characters in the text. There should be a certain gap between the lines and the lines and between the patterns and the patterns to prevent the problem of bronzing paste. The varnish is soft and curly. When the hot stamping is placed, the position of the varnish should be accurate and regular, so as to avoid the scalding. The hot stamping area can be scraped off with a knife, or wiped with cotton wool (cotton cotton).

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