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Screen printing machines, silk screen printing in the application of special products and requirements

Date:2012/11/5 11:07:07 Hits:5822

 Screen printing machines, silk screen printing in the application of special products and requirements
A, lottery printing
In recent 10 years, to cover the needs of the ink in increased year by year.In offset printing with a cover on the words, Numbers, symbols of silk screen thick film printing ink, fully covered, then made CARDS for lottery tickets.Lottery form is varied, such as sports lottery and raise social welfare lottery tickets, etc.This kind of lottery, with a coin or nail scrape ink, you can see the following printed words, Numbers, etc.
In addition, through the cover images, words and Numbers can be assembled into all kinds of fun entertainment, is very popular.
1. The constitution of the lottery, because most of the lottery is a one time, so the paper printing, generally USES the 150 ~ 200 g/m2 of coated paper.First of all, offset printing letters, Numbers, images, etc., offset printing printing with smooth surface, for the final cover of silk screen printing is very good.Offset printing surface after must implement transparency good outer coating, the effect is not only made from ink stripping resistance, at the same time make the offset printing figure bbs.wescn.com stationery has stability.Then use the shelter in the coating on the final screen printing ink, generally only in words and figures on the local cover of thick film printing.
2. The performance requirements of the lottery.
(1) the stability of cover printing ink printed on the ticket, should be able to more easily stripping with fingernails or COINS.This kind of ink printing of lottery tickets as a commodity, at least 1 year remain stable during circulation.
(2) after stripping covered ink, revealing the characters, such as digital ink cannot be pollution.
(3) cover printing ink to fully covered.
(4) cover printing ink ink film should have certain toughness, namely in the lottery drying, cutting and other operations, the ink film surface cannot be damaged by some external force, as the goods in circulation has the same requirements.
From the above point of view, (3) and (4) is almost determined by the performance of cover printing ink, so it is very important to choose the appropriate printing ink.While (1) and (2) is composed of coated paper and cover degree of ink adhesion.In previous experiments have fault mainly (1) and (2), so this is a very critical problem.

Second, the electricity act the role of advertising board printing
Electricity act the role of advertising board general project the light, from the inside of the advertising board the surface more beautiful.The materials used are mainly acrylic plate, glass plate and so on.Board face in addition to printing, also decorated with text and lines of clipping.Silk screen printing electricity act the role of the main process surface printing, advertising board inside printing, shading, etc.
Is the most commonly used for printing in the inside electric act the role of advertising board, generally in propylene plate for screen printing, the white spot printing, the surface can form decorative patterns for bright luster.If the inside of the light fades, reflecting light from the other direction to the surface, also will appear all sorts of color.
Generally use the printing on the surface of milk white translucent board, because do not need to complete white printing, rarely appear quality uneven phenomenon, but because it is printing surface scratch easily.
Shading when printing available list two methods.If want to use the red shading on the surface, before printing all red, for the purpose of shading can use the same plate, printing a silver or gray, and then in the above printing all red.For electricity act the role ofing, only some highlight text or design, very clear, beautiful, so often used in road signs or guide plate printing.
Acrylic printing, because of its material itself has charged, easy adherent dust, so much attention.
Because the dust attached on the electric trim is very obvious, so in order to remove dirt, prevent electrostatic, application of alcohol to wipe it again before printing substrates.Because the light from the inside, so the printing scraper mark also is very obvious.To this end, the scraper grinding, printing pressure, printing speed is very attention, should try to reduce printing uneven phenomenon.Due to the use of the ink, with good sex of pervious to light after the printing and electricity act the role ofing, its are tonal feels like has changed completely different.When and other color combination, if not pervious to light observation, made with customers may require different product.Four color printing color, if not pervious to light observed toning, sometimes forming tone is very shallow, fuzzy image.

Third, metal advertising screen printing
Metal advertising refers to the material as the guide of the sheet metal card and billboards, its predecessor is the enamel signs, melamine billboards, etc.Metal material is given priority to with aluminum and stainless steel.Stainless steel material surface possesses the advantages of no rust, screen printing, can be in surface coating curing agent for processing.Aluminum can use its plasticity, with pressure method to relieve processing, make its surface has a concave and convex pattern, strengthen the stereo feeling, enhance the visual effect.
Metal billboards earliest enamel signs, the galvanized iron plate as the material, the use of enamel to prevent rust, usually for billboards, famous brand.Although this brand of climate adaptability is strong, but the processing time, color also not too easy.Along with the development of the spraying technology, melamine billboards, improve the performance of anti-rust, by clipping plate-making printing can make its color.Since the billboard after using hard plastic as the main material, melamine billboards give a person a kind of bbs.wescn.com is obsolete.Iron billboard already obsolete, due to its own weight, make processing affected, in terms of circulation of commodities is also very difficult.
The main material of metal advertising board has been transformed to thin aluminum plate or zinc plate, all of these is a lightweight material, good processability, even on a large size is also very easy to handle.To increase the strength of the sheet metal can make the one part of the trunk muscle, its use SAP and tablet roughly the same.
Four, stainless steel products of screen printing
A lot of methods on stainless steel surface processing, can be roughly divided into two kinds, one kind is the stainless steel by handling a surface gloss, and the art of using a bright contrast processing;Another kind is to colour of art in the design of processing.The typical examples from using the method of silk screen printing are etching processing, spray processing.
Etching processing method, it is acid-proof protective film on stainless steel surface color with silk screen printing, and then use ferrous chloride etching liquid, form of art design.Color spray method after screen printing injection pigment particles, constitute the pear skin surface, form of art design.
In recent years, in order to adapt to the diversification of stainless steel used and the artistic quality of more and more high requirements, developed with colour "" color art processing method, and became the mainstream of this field.In the given colour of stainless steel method, including the use of screen printing color printing ink after firing method and chemical staining method.

In recent years, in order to adapt to the diversification of stainless steel used and the artistic quality of more and more high requirements, developed with colour "" color art processing method, and became the mainstream of this field.In the given colour of stainless steel method, including the use of screen printing color printing ink after firing method and chemical staining method.
Stainless steel products chemical coloring art processing technological process is: stainless steel products - printing - oxidation coloring to alkali treatment, finished products.
Stainless steel products of etching art processing technique to process is: stainless steel products to screen printing, etching to alkali treatment, the oxidation coloring and finished products.
Stainless steel products in the process of spray color art processing method is: stainless steel products to screen printing, etching to alkali treatment, screen printing - oxidation coloring - alkali treatment and finished products.
The chemical coloring of stainless steel, do not use pigment and dye, but the chromium stainless steel were soaked in heating of the concentrated sulfuric acid solution in chemical coloring, and is characterized by good resistance to food.This kind of machining method used in the printing ink, should have very strong acid resistance, generally use corresponds to the process with special performance of the UV curing ink.
Five, the light reflector screen printing
Light reflector is in the light car headlights or other, be exposure to light reflection of light source direction and not affected by irradiation Angle or climate of a screen printing.Form the reflection is about 40 microns diameter hollow glass particles, other heart place with reflector.It's soft support of lamellar body surface has a glue layer and stripping layer.Generally set the reflector on the acrylic resin board, reflector is made of transparent resin added with a certain amount of hollow glass particles, using screen printing method for printing.To carefully choose silk screen printing mesh, sluice or hole width (opening) and the kinds of hollow glass particles and hollow glass particles are regularly arranged.
This kind of printing for more signs and advertisements, etc., so that can confirm in dark places.In addition, also can consider to used for road signs, aviation navigation mark, life-saving appliances, security with a helmet and printing.

Six, with silk screen version of transfer printing electrochemical aluminum
Gorgeous and beautiful, bright color of electrochemical aluminum after hot stamping machine of hot stamping, show on the substrates, its beautiful colour won widespread praise.However sometimes hot stamping machine also will encounter do not adapt to mechanical stamping products, and customers and stubbornly do not use silk screen printing gold, in a dilemma, unique screen plate heat transfer electrochemical aluminum shows its superiority.Hot stamping machine stamping electrochemical aluminum is mainly by temperature and pressure, and screen printing electrochemical aluminum is rely on the role of the adhesive.Adhesive can transfer electrochemical aluminum, because electrochemical aluminum outermost layer made of rubber.
In the electrochemical aluminum transfer operation, the first should be printed graphic made by silk screen version, version graphic requirements clearly.Then with silk screen version of a layer of adhesive on the substrates, and the electrochemical aluminum stick on it, and then gently with cotton or sponge in the graphic area, a pressure to stay dry, tear off the electrochemical aluminum (viscous strong don't have to wait for dry, tear faster), there are the part of the adhesive is shown clear bright electrochemical aluminum graphic.
Adhesive formula is the key to the transfer.Formula, depending on the nature of the substrates and the electrochemical properties of the rubber aluminum screen version of adaptability and take into consideration the circumstances were developed.Formula to make proper viscosity and concentration.Such as bbs.wescn.com, transfer printing fabric and PVC, polystyrene plastic products and wood products, its adhesive formula is:
Chlorinated polyvinyl chloride resin 100 g
Xylene 50 ml
Cyclohexanone 350 ml
Chlorinated polyvinyl chloride resin can also be used mixed use PVC resin instead of or two.Polyvinyl chloride (PVC) resin with low molecular weight.When transfer celluloid plastic products, but will be more adhesive formula in xylene to acetone.When transfer organic glass products, can add some chloroform.Transfer printing of metal, ceramic, glass products, the adhesive formula is: the epoxy resin is 100%.(neighborhood) benzoic acid dibutyl ester 3% ~ 5%, and ethylenediamine 12% ~ 15% (high concentration can add thinner).
Seven, silk-screen prints
In recent years, introducing and popularizing, silk-screen prints in our country has appeared a lot of high level of work.Silk screen engraving art level is close to a woodcut printmaking, but silk screen print production production is much simpler than woodcut printmaking.Silk-screen prints of substrates in addition to the commonly used paper, cloth, organic glass, wood, porcelain plate, plate, etc.This for silk-screen prints in practical fine arts widen the road of development, such as made of silk screen print forms of propaganda, adornment, clothing, scarves, etc.Print can completely in the design and production of the practical fine arts aspect and improve the level of its art.Hanging, screen, curtain, sofa cover, cushion and so on are silk-screen prints can play a role field.On the one hand, make pure art prints, on the one hand, expand the print position in practical art, play a role in people's life, this is very meaningful.

Seven, silk-screen prints
In recent years, introducing and popularizing, silk-screen prints in our country has appeared a lot of high level of work.Silk screen engraving art level is close to a woodcut printmaking, but silk screen print production production is much simpler than woodcut printmaking.Silk-screen prints of substrates in addition to the commonly used paper, cloth, organic glass, wood, porcelain plate, plate, etc.This for silk-screen prints in practical fine arts widen the road of development, such as made of silk screen print forms of propaganda, adornment, clothing, scarves, etc.Print can completely in the design and production of the practical fine arts aspect and improve the level of its art.Hanging, screen, curtain, sofa cover, cushion and so on are silk-screen prints can play a role field.On the one hand, make pure art prints, on the one hand, expand the print position in practical art, play a role in people's life, this is very meaningful.
Eight, lacquer screen printing
Screen printing has been the introduction of the traditional industry, one of them is the lacquer industry, bowl, drawer, box and other representative lacquer products can also be adapted to the modern way of life, has now developed to adapt to a variety of purposes of lacquer wares, through the implementation of a variety of printing method, improve the value of the product.Is in these decoration method, is widely applied on the lacquer screen printing gold and silver powder.
1. The screen print and lacquer ware also technology.Lacquer is illuminated technology in wood, plastic on the bottom, red paint black painting first, again with lacquer painting the pattern on the surface, and then in the paint is dry before hardening bbs.wescn.com coated with gold, silver, the method of the class is high also, and also painted painting, grinding paint also painted.
Illuminated process, with silk screen printing, has manual and automatic two kinds, general is given priority to with manual.Is also the first step of the design made the patterns of the contour plate, this procedure belongs to plate making in screen printing, so the shortage.The following order.
2. Printing equipment.For basin, drawer, box print equipment.Put version at the stage first, and then put on the stage and locate lacquer, locating fixed after the lacquer ware in addition.
When a large number of printing, positioning and fixing device (for example, the substrates can be inserted into the convex type wooden table), the layout and printing the gap is 1 ~ 2 mm.Pot, bowl of substrates surface printing, centered on circular screen version, scraper, down substrates upward run, when the scraper, silk screen and substrates contact, silk screen version of the rotating blade pressure rotating the substrates, for printing.
3. The modulation of the printing paint.Here, we give a simple introduction of paint mixing method only.Paint do not in themselves as printing ink, paint viscosity is low, easy to mixed with bubbles and make the printing surface bubbles, could not reach the requirements of precise printing.Therefore, to attain good state of ink, paint needs to be modulated.

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国产麻豆精品久久一二三_国产成年女人免费一区二区三区_人妻AV中出无码内射_亚洲日本韩国不卡中文字幕