Silk-screen printing lacquer ware

The silk-screen printing was already introduced the traditional profession, one of them is the lacquer ware profession, bowl, steamer tray, box and so on representative the lacquer ware products can also adapt with the modern life style, now has developed adaptation many kinds of goals the lacquer ware product, through many kinds of printing method's implementation, enhanced the product value. In these decoration method, what the application are many are on the lacquer ware the silk India diamond dust and the aluminum dusting powder.

Screen Printing equipment. Regarding trough, steamer tray, box plane printing equipment then. First puts in the version on the stage, then places the lacquerware on the stage and locates, localization after-fixing lacquerware. When massive printing, must have the localization and the attachment system (e.g., accepts for printing convexity pattern Taiwan which thing may insert), the page layout and the printing surface's gap is 1-2mm. The pot, the bowl class accept for printing surface printing, take the circular silk screen as the center, the shaving knife downward, accepts for printing the thing upward movement, when the scraper, the silk screen and accept for printing the contact, the silk screen's angular force shaving knife pressure causes to accept for printing revolving, carries on printing.
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Screen-printing technology

Screen printing is done through the wire mesh and India ink leakage to be printed on the substrates. It is convex, flat, concave compared to the three major printing, printing is more extensive and more advantages. The type of ink used to print materials and more and more.
Screen printing machine to print material from the size and shape of the limit, it can be molded in different shapes and embossing the surface of the printed material. - Soft, flexible layout is one of the smallest printed printing pressures.

Light of its performance: it can be easy ways to light-fastness pigments, fluorescent pigments Add ink to print the fax from the permanent luster to maintain the effects of temperature and sunlight, even at night luminous.
Plate screen printing machine convenient, cheap, flexible printing, diverse, technology easy to master.

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Under the financial crisis ，Screen print became the new market demand

The past two years, investment in contemporary art seems to be increasing the threshold of the auction price in the major auction houses often really have the momentum prohibitive, many medium and small collectors of contemporary art is difficult to enter the field of high-end collection. But in fact, low-priced contemporary art works to the trading volume is much higher than those of high volume work, here, said the "cheap" in accordance with the rules of low-cost art fair that is lower than the £ 3000 works of art. Therefore, be it large or small and medium-sized collectors should not neglect the "grass roots" understanding of and participation in the market.

In 2007, works price of £ 3000 plus or minus in the 2500 contemporary artists only. One half of the artist at auction has never been more than the price line. In this level there are also some successful artists, but most of their works have a wide range of low-cost version and type system. For example, the Japanese artist Takashi Murakami, he should be said to be the darling of low-cost market. He works a lot of cheap copies of products. In February 2008 in the French auction house Art curial, a screen-printing in 1986 to work, selling for € 1300, this works a total of 300 copies. However, the value-added space for artists and possession of a small home is no longer hope to gain enormous wealth, because the price of most of his works already exceeded one million U.S. dollars.
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How to choose screen printing equipment

In recent years, the screen printing industry, speed to flourish, increasingly competitive industry, the printing quality of the product become a key factor in competition. Screen printing for many manufacturers, the installation of new high quality screen printing equipment imminent. At present, markets a wide range of screen printing equipment, specifications, type of dizzying, but the quality varies. How to select a large number of products suitable for their own screen printing equipment, the following several suggestions for information purposes only.

Understanding of screen printing equipment and functions of the brand

As we buy television sets, refrigerators and other home appliances products, screen printing equipment is also about brand. Brand not only represents the corporate image, it is a symbol of product quality as well as advocacy services. Good product, there will be a good brand, good reputation, recognized by the market. The choice of brands means that the choice of products, as well as the corresponding market benefits from choice.

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Rapid Prototyping and traditional precision casting technology combination application

The Rapid Prototyping technology was the recent years develops acts according to the CAD model fast production sample work piece or the components underwriter general name directly. This technology solved in computer-aided design (CAD) the three dimensional modeling “to be able to see, did not feel” the question, could screen's on geometric figure fast automatic substantialization. It integrated modernization scientific and technical payoffs and so on CAD technology, numerical control technology, Laser Technology and material technology, is the advanced technique of manufacture important component. Its essence is with the integration manufacture three dimensional entity, stores up the three dimensional body information transmission the computer to give the shaper willfully, makes directly through the material cascade increase law, but does not need the special mold, the tool or the manual interference.

At present has succeeded utilizes in many kinds of model astronautics product. The fast automatic formation technology and the Foundry existing precision casting craft unifies, enables Foundry to have ability to produce each kind of great size, the structure to melt the mold precision casting fast to use the wax pattern complex, reduces the massive external cooperation expense, simultaneously regarding the single unit, the small batch melt mold precision casting's production may not use the mold, thus saves the massive mold processing charge, reduces the production cycle greatly, was the new product development and the development has obtained the massive valuable times, reduced the production cost, moreover also caused the Foundry precision casting level to improve, to guarantee that in the following model product the precision casting production task completed smoothly builds the good foundation.

China precision casting manufacturer, Investment casting manufacturer, Silica sol precision casting manufacturer is Ningbo Tianye Precision Casting Co., Ltd

Choose a suitable white ink for screen printing machine

For most of the garment screen printing machine used, the choice of a white ink has become their habit. We usually like the ink on a prior idea. Large-scale garment factories printing presses in their use of automation arbitrary nature of a hot-melt ink. Only a small hand in the production of printing presses and large printing presses in the hand-proofing clothing only need to select hot-melt ink. In such printers, the ink most likely to evaluate the performance. Although you can now use any of the ink, but in the process of screen printing man-made factors are able to enlarge the characteristics of ink

White hot melt ink in the hand-press operator in a day's work played a most important role. Costume design in the printing, there is more than half of the design is the need for white ink. Printers are probably the biggest challenge is the need to choose the best according to the printing ink. Almost every manufacturer of hot melt ink has hundreds of white ink formula, and every moment they are in the sales of a dozen or more of the ink. Even some white hot-melt ink is a special purpose, and their composition is still very vague.

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More article：
How to choose and use the screen printing ink
Screen Printing Principle
Non-woven fabric of conventional screen printing
The new method of screen printing

Screen Printer: Intelligent software to improve efficiency

Screen Printer SMT electronic production line manufacturer of process equipment first. High rigidity, high accuracy, small pitch and printing stability are the basic characteristic of screen printing machine. Smaller, more varieties of fine-pitch electronic components for high-precision screen printing screen printing machine of the basic requirements. E-manufacturing technology is being soft towards the direction of development, therefore, the accuracy of printing equipment and compatibility of the manufacturing sector to meet current demand as a primary factor.

To adapt to the current Surface Mount Technology (SMT) production requirements, printing equipment, the development of the following two directions: First, in order to increase productivity and minimize the production area, the new template of the SMT printing equipment from the traditional single PCB (printed system circuit board) transmission and printing of the PCB towards the two-way transmission and the printing direction, this trend is also adapted to the dual mount and welding needs. Dual structure of production more efficient than single-channel structure to increase more than 50%. Second, the new printing equipment is moving template intelligent direction. In intelligent control software, a wide range of printing action at the same time, increased production efficiency.

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Precision screen printing plate of the impact of factors

Before using screen printing machine ,When manufactures the silk screen printing plate, making lithograph plates precision main and following several aspect factor related: ⑴The silk screen, including uses silk screen's type, the silk mesh number height, the silk diameter thick thin, the silk screen aperture area size, silk screen's expansion rate size and silk screen's knitting method as well as silk screen's color and so on. ⑵Net frame, including net frame's material quality, net frame size and net frame's intensity and so on. ⑶Tensity size. ⑷Stretches the net angle the choice. ⑸Net frame and silk screen's cementation method. ⑹Before silk screen's, processes. ⑺The photosensitive material, including photo sensitiveness height, the resolving power height, photosensitive material's cementation, the photosensitive membrane's expansion rate, the photosensitive film thickness and photosensitive membrane degree of hardness, the water resistance, bears the resolver and bears the friction as well as bears the height which India leads. ⑻The photo sensitizers mixing time, after compounding, lays aside time. ⑼Photo sensitizers Tu Bu method. ⑽Dry method and condition, including dry temperature, humidity as well as dry time. ⑾Exposes to the sun the version aspect, including uses the photo source type, to make public time's length, accepts for printing the thing when to make public and the photo source distance and so on. ⑿Photography making lithograph plates negative density. ⒀Development aspect, including, development method: Water development, lukewarm water development, medicine development; Development condition: Temperature, immersion time, sprinkler's type and use and so on. ⒁After development dry temperature and time. ⒂Two to make public time choice. ⒃Retouching a negative

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Curved screen printing techniques

Curved screen printing machine, although many ways, but in practical applications, often encountered in a simple curved surface printing, printed pieces of painted wood, but often give up because of conditions in order to close the economic opportunities lost. How can we solve this problem? After years of practical application, the use of live surface screen printing method, the printing of a large number of processing printed products, such as latex plastic barrels, clean buckets, basins, pots, cups, bowls, plates and other products. At the same time, the use of this method can be printed signs in the car on the word can also be profiled on the printing plane. Live the so-called surface screen printing, screen layout soon removed to directly close to the surface of the printing substrates.


Good first photographic facsimile editions of the text dealing with the dry patch, and then won by a good size cut. And in the screen at both ends with aluminum, such as wood chips or as a skeleton with tightly bonded with glue. Cement glue can also be used directly. This will make the necessary version of the live wire surface.

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Stainless steel wool

The screen printing machine may use the different type the silk screen, below comes mainly to introduce the stainless steel wool the characteristic:

The stainless steel wool is becomes by the stainless steel material manufacture. The stainless steel wool's characteristic is the resistance to wear is good, the intensity is high, the technique extends the nature to be small; Because the silk diameter is fine, the printing ink adopts the performance to be good; Silk screen's mechanical property, the chemical properties are stable, the size precision is stable. Its insufficiency is the elasticity is bad, the price is expensive. After the silk screen promotes, cannot restore the original condition. The stainless steel wool is suitable for the line board and the integrated circuit and so on high precision printing.

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Silk-screen printing

Without the screen printing machine, does not call the printing shop, to coordinate this situation, the Chinese Net India Association once sent out summoned: We must use 10 years around the country to carry on one time compare the top level the silk-screen printing popularization education, must promote the screen printing machine to the land, expands to each domain.

At present, is thorough in the reform and open policy, the tertiary industry, the Rural enterprise and the household sideline emerge in abundance under the situation, what project selects most to be reliable, most is safe, the risk most to be small, the benefit is also highest? Our reply is affirmative, that was - - the non-silk-screen printing is respective.

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Lacquer ware’s silk-screen printing craft

Lacquer ware’s silk-screen printing craft

The silk-screen printing was already introduced the traditional profession, one of them is the lacquer ware profession, bowl, steamer tray, box and so on representative the lacquer ware products can also adapt with the modern life style, now has developed adaptation many kinds of goals the lacquer ware product, through many kinds of printing method's implementation, enhanced the product value. In this decoration method, what the application are many are uses the screen printing machine silk print diamond dust and the aluminum dusting powder on the lacquer ware.

Silk-screen printing paint mixer golden paint technology. The lacquerware golden paint technology is in the lumber, on the plastic bottom the first spray coating black japan, the red lacquer, then on the surface uses the lacquer painting to leave the design, then spreads golden, the silver method in the paint dry presclerosis, the kind is the even golden paint draws, the high golden paint to draw, rubs the paint golden paint to draw.
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The use silk-screen machine manufactures the print

In recent years, the silk India print has promoted, the popularization in our country, presented many high level works. Screen printing machine manufacture print artistic level already close wood engraving print, but the silk India print's manufacture must be much simpler than the wood engraving print's manufacture. The silk India print accepts for printing the thing besides the commonly used paper, but also has the cloth, the Plexiglas, the plank, the porcelain board, the metal plate and so on. This have expanded the path for the silk India print in the practical fine arts aspect's development, like with the silk India print form manufactures picture poster, decoration painting, clothing, kerchief and so on. The print engraver definitely may invest the practical fine arts aspect the design, the manufacture, raises its artistic level. The wall hanging, the screen, the window blind, the slipcover, the back cushion and so on are the silk India print may play the role the domain. On the one hand manufacture pure art print, on the one hand the development print in the practical fine arts aspect's position, is beautifying the lives of the people aspect to play the role, this is very meaningful.

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Silk-screen printing forgery-proof method

Forgery-proof printing ink

Suits the silk-screen printing machine characteristic the forgery-proof printing ink to have the heat sensitive printing ink, the photosensitive printing ink, the magnetic ink, the fluorescent ink, against modification printing ink and so on, these printing ink use in the forgery-proof packing having certain forgery-proof function.

Net India forgery-proof design

The forgery-proof packing printing product's success, screen printing machine first needs to pack the designer to combine many kinds of forgery-proof methods to carry on the omni-directional integrated design, like this can be better, has the forgery-proof effect safely.

Prints paper's forgery-proof

Forgery-proof paper printing is the first choice water printing paper. The water printing paper is the paper in the process of manufacture, the use technological means will need marking, the design and so on do in the paper.

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Use screen printing machine print plastic products

The plastic silk-screen printing, is the plastic products two mechanics (or calls retreatment) the one kind. The so-called two processing are after the plastic products injection molding, then carries on a time superficial cosmetic processing, for instance: The plastic galvanization, the plastic spray coating, the plastic burn India, the plastic silk India and so on.
Plastic products great variety, but on the use screen printing machine method, the sheet material and the plane body uses Vertical Screen Printing Machinery ; May launch the plane the cambered surface body to use the Curved Surface Screen Printing Machinery; The homeomorphous product uses the indirect silk India law. The plastic products solid resin, the chemical additive and the formation method's difference, its superficial performance's difference is very big, particularly questions and so on superficial smoothness, polarity and static electricity, become plastic silk India to have the breakdown root.

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Silk-screen printing light reflecting body

The light reflecting body is under automobile's headlight or other light illumination, is illuminated the projectile to carry on the light reflection to the photo source direction, but is not shone the angle or climate influence one kind of silk India. Those who form the reflection is the diameter for 40μm about hollow glass pellet, other hearts place have the reflection layer. On its soft laminated shape's support body surface has the bond line and the parting. Generally establishes the reflection layer on the propylene resin plate, the reflection layer is joins the ration with the transparency strong resin the hollow glass pellet, carries on printing with the screen printing machine. When printing must choose silk screen's item of number earnestly, the pore size (opening) and the hollow glass pellet type, the hollow glass pellet has the regular array.

This kind of printing uses in each kind of sign and the commercial advertizing much and so on, in order to may confirm in the dark situation. Moreover, but may also consider that uses in the road sign, the aviation route symbolizing, the lifesaving appliance, the security use the safety helmet and so on printing.

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Silk-screen printing machine request good silk screen

Screen printing machine making lithograph plates, the printing craft, have the following several essential requirements to silk screen's performance:
1. the stretching resistance is big. The stretching resistance intensity is when refers to the silk screen the pulling force, the resistance destroys (break) ability. Moreover, after the silk screen moisture absorption's intensity change should be small.
2. The break elongation ratio is small. The elongation ratio is refers to the silk screen to break the time elongated quantity under certain tensity and the original long ratio, by percentage expression. The elongation ratio is big, the plane stability is bad, but the silk screen also requests certain tensity (about 3%) under to have the enough elasticity.
3. The rebound elasticity is good. After the rebound elasticity is refers to the silk screen to stretch certain length (for example elongates 3%), when relieves of the external force, its length reply ability, the name elongates the multiplicity, its value is bigger is better, after the snapping back, after India, the edge is clear.
4. The heat resistant humidity change's stability is good.
5. The printing ink adopts the performance to be good.
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Stainless steel product silk-screen printing

Carries on the processing in the stainless steel surface the method to be many, may divide into two kinds approximately, one kind is enables the stainless steel through processing it to have the varnish, as well as using gloss contrast constitution design artistic processing; Another kind is entrusts with the color in the design constitution the artistic processing. And has the etching processing using silk-screen printing machines method typical example, spurts the color processing.

The etching refining methods, are in the stainless steel surface color with the silk-screen printing airproof protective film, then with the protochloride iron liquor etching, forms the artistic design. Spurts the color law is after the silk-screen printing sprays the pigment pellet, the constitution pear dermatoid surface, forms the artistic design.

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Develop screen printing arts

Development Network works of art printed promising "Serigraphs", "Screen Printing Crystal Art" is produced through screen printing. Screen printing machine are the four major printing (letterpress, intaglio, lithography, silk screening), one; Serigraphs are four prints (woodcut, Lithographic, etching, screen) one. At present, the world's arts admit only these four prints, there is so much famous Serigraphs and Screen Printing at the world's major art museums and galleries.

People's art collection and appreciation of more importance, for paintings, was particularly fond of painting the real thing, but the real thing is often the only one, how to meet people's desire to do this? Thus derived on a high-precision, high-quality copy the works of art of screen printing machine. Famous for its replication is not be an easy task, it requires high precision printing, Tone at the minor level of representation should be clear on, it is necessary to detail, there is level, there is a three-dimensional sense of the overall effect of the natural scene, in order to maintain the original charm and artistic charm of Chinese painting can be printed on paper; canvas or paper in oil painting on canvas printing; decorative painting can be printed on the board at Chevron; copperplate etching can draw on the printing plate; color advertisement light box can be in a transparent organic film on the printing and so on, extensive printed on a variety of substrates, which are generally less than the printing.


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Screen printing advertisement metal plate

The metal advertisement board is refers to the material for the metal plate guide sign and the billboard, its predecessor is the enamel billboard, the dense amine billboard and so on. Metal material quality by aluminum, stainless steel primarily. The stainless steel material quality surface has not the rusty merit, after the silk-screen printing machine, may spread the cloth hardening agent in the surface to carry on the processing. The aluminum material may use its plasticity, carries on the relief processing by the pressure law, enables its surface to have the concave-convex design, strengthens the stereoscopic effect, to enhance the visual effect.

The metal billboard earliest has the enamel billboard, its take galvanized iron sheet as a material, prevents using the enamel to rust, uses in the billboard, the place name sign and so on. Although this kind of sign to climate compatibility strong, but time processing charge, the coloration is not too easy. Along with the spray coating technology's development, the dense amine billboard started to appear, enhanced the rust prevention performance, through dug cuts making lithograph plates law silk India to be possible to cause its coloration. Starts after the billboard uses the hard plastic primarily material, the dense amine advertisement board gives the human one kind had been already obsolete the feeling. Sheet iron billboard already obsolete, as a result of own weight, causes the processing to come under the influence, is also very difficult in the circulation of commodities aspect.

The metal advertisement board's primary materials already transform to the aluminum sheet or the thin zinc plate, these are the light quality material, the workability are good, even if the size is very greatly also easy to process. In order to increase the sheet metal the intensity to be possible to cause its part of bulge is the muscle, it with estimated that is approximately same as the plate.


You're welcome to visit Shaoxing Sangao Screen Printing Machine Co., Ltd blog to get more information and to interact with us at http://screenprinter.bokee.net
More article：
How to choose and use the screen printing ink
Screen Printing Principle
Non-woven fabric of conventional screen printing
The new method of screen printing

The causes and prevention of Screen Printing Products rub dirty

Silk screen print after printing, sometimes will occur rubs the dirty phenomenon, its primary cause will be because the screen printing machine’s printing ink dry will not be full causes. Usually when causes oxidation drying printing ink printing, rubs the dirty phenomenon to be quite many, this is because, silk-screen printing's printing ink level is quite thick, but oxidation drying printing ink skin drying speed but quickly interior dry slow, when print and print or print with other object contact, will produce rubs dirty.

Generally joins the cobalt drying agent or the lead drying agent in the printing ink may enhance the printing ink the drying velocity, plays prevents to appear rubs the dirty role. Moreover, when print stack, is not suitable excessively many overlap codes to put (, because print excessively piles up, also easy to produce rubs dirty), the print before the stack must dry full. The use evaporation drying printing ink, may reduce rubs the dirty phenomenon. When printing observes the technological requirement strictly, carries on the operation strictly according to the craft working instruction, is also avoids producing rubs the dirty phenomenon an important measure.


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Silk-screen printing machine manufacture label antenna's merit

The silk-screen printing machine manufacture label built-in antenna uses the material is the electric conduction printing ink.

The electric conduction printing ink is by the metallic conduction particle (silver, copper, carbon) disperses one kind of conductive compound materials which foresees accurately in the connection forms, after printing accepts for printing in the thing, plays the wire, the antenna and the resistance role. This screen printing machine printing ink printing in the flexibility or the flinty keelson (paper, PVC, PE and so on) on may make the printed circuit, may receive the RFID special-purpose wireless radio-frequency signal with the electric conduction printing ink print's antenna. The intelligent label built-in antenna uses the electric conduction printing ink net India side law (for example copper etching law) to have many superiority compared with other methods, may say that is one kind of green, stable, the low cost solution, manufactured the low cost label to the mass is one ideal technique, its superiority manifested in the following several aspects:

1. Cost low 2. Operate easy 3. Environmental protection 4. Keelson choice nimble diverse5 the Label style is rich, the stability, and the reliability are good

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Silk-screen printing machine's in packing combination printing function

Along with the economic development, the material life are day by day rich, the people are getting higher and higher to the energetic culture's demand. Because packs the product to have artistic, the cosmetic and the beautified life characteristic, also receives the producer and the seller value day by day. Especially if the printing enterprise wants to be in an impregnable position in the intense market competition, sets up the quality competition the idea to be very essential. Take the tobacco and liquor packing as the example, present's product packaging compared with was formerly more magnificent finely, the craft was day by day mature, could satisfy request by one printing way the day already to never to return. At present what uses generally is combines the printing technique of production, the Silk-screen printing machine adds other printing combination.


Silk-screen printing machine combination printing application scope:

At present, the silk-screen printing mainly with softens India to combine or and the lithographic printing combination. For example, prints the precision extremely high rotation network license first wife to gather supple copier's combination printing, may pile up the thicker printing ink level using the silk-screen printing, has the outstanding hiding power, may carry on coarse particles printing the characteristic, uses again prints the itself print speed to be quick supply, the clarity high superiority, causes it, in the packing printed in the market to occupy the important position gradually. Moreover the drum net copier, the general speed is about 4000/hours, uses the advanced locate mode, may with the offset printing press necessary combination, realize the high fine mesh to adjust the effect which the offset printing and special net India decorates.

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Screen printing machine merit

What our country applies the Screen printing machine is widespread is the electronics industry. Ceramic applique industry. Textile printing profession. In recent years, the packing decoration, the advertisement, the handbill poster notice product label and so on also massively used the silk-screen press. The silk-screen printing machine has the following characteristic approximately:

1. Screen printing machine is not accepted for printing the size and the shape limit. Generally printing can only carry on the plane, but silk India not can only print in the plane, but can also carries on printing in the special shape in thing and on the concave-convex surface.
2. Printing way nimble diverse. The silk-screen printing with even, concave, raised printing is the same, may carry on the industrialization the large scale production
3. Is suitable each type the printing ink. The silk-screen printing has may use any coating to carry on printing the characteristic, like greasiness, the river character, the synthetic resin, the powder body and so on each kind of printing ink may use.
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More article：
How to choose and use the screen printing ink
Screen Printing Principle
Non-woven fabric of conventional screen printing
The new method of screen printing

Screen printing machine print nameplate

Can choose to hand-printed signs are printed can also choose to flat screen printing machine. Both have their own respective merits. However, at present, the required volume makes use of the machine than by hand. The following is a flat screen printing machine label printing Notes:

1. Screen Printing signage network from the size of control
Screen Printing signs, panels, and tags; there is no net from the No, not too much from the net line. Screen Tension is usually large, the best network from the small. Such lines are printed scratch contact bounce time. General laws are micro-version of net-shaped screen printing distance is 0.5 ~ 1mm, small screen printing version of the network distance is 2 ~ 3mm, medium-sized version of the network from the network are 3 ~ 5mm, Large Screen Printing edition (such as 1m × 0.8m) of network from the get 5 ~ 7mm.

2. Adjust the use of screen printing ink
Ink used to adjust thin consistency, but also full uniform mixing and to eliminate air bubbles, adjust better to use.

3. Screen Printing signs, panels scraper use
Require a sharp scraper, flat, hard, shell, and no gap, solvent. Requirements are in order to tip a bit more clearly printed; scraper can be used to check whether the glass-ping, such as injustice, it is necessary to removed; scraper hardness in general often 70 ° medium hardness; require flexibility in order to avoid are a little uneven on the Indian poor, not allowed to have gaps where they are needed most; also requested to solvent, so that is not easy damaged blade.

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Screen printing operation, the quality problems and treatment

1 lines of distortion
Excessive number of screen printing, silk screening template induced relaxation; positioning loose network version with the substrates from the change; scraper and substrates between the angle wrong, or forced uneven; printed material consistency before thinning or too dry; rework the work piece the printing surface by the cleaning solvent after the stem at the end of play on the screen and so on.
2 patterns or lines fuzzy
India is expected to deploy too thin, scratch force India is too large; printed material transfer was uneven (printed material solvent dispersion Unevenness); arrangements will be net after net die solvent or dry cleaning agent, or when the surface of the work piece rework cleaning agent has yet to dry or clean; the first scratch and India, the Indian force feed block is too large, so that a small amount of printed material out of the mesh; printing scraper Movement (mobile) speed in the effective area substrates with a similar amount, half-way stop or repeat printing, etc.; printed material fineness and the selected wire mesh do not deserve.
3 pattern line edge burr, and the gap, cam, etc.
Unclean surface substrates, and has oil; printed materials have been sticky, net die not have dirt removed, printed material particles, high mesh wire Netcom, however; too fast drying silk screening, silk screening workplace ventilation ; quick-drying material and India failed to block, resulting in networks; scraping India forced uneven, large or small; substrates surface formation.

4 Ma points
India expected to have sticky, and with impurities, plugging holes; or printed materials have been sticky, scraping printed inadequate; printed material deployment mature enough, the residual air bubbles printed material does not run the net, after the bubble screen in the substrates on Zhanhua cause; substrates surface dirty, dust, etc., printing when forced improper light, irregular or scraping India and inadequate; substrates printed materials yet to dry, the dust caused by the storage place; printed material suitable conditions, the network version and the distance between substrates is too large; Prepress Screen not thoroughly cleaned.
5 silk screening in viscose-Screen
Scraping angle version with the substrates have problems between them, rather than a line contact, but contact with a small plane; screen with small distance between the substrates, or Network version of the tension; screen printing, the embossing force is too large Mexico thick sticky networks; printed material is too thick and so on.
6 solutions
Careful analysis of the impact of the quality of the reason why, for reasons arising to solve, and those non-Indian operated scrape quality problems arise, such as Stretching the problem, the best distance problem, the production of silk screen template problem, surface treatment, as well as printed material matching and so on will affect the screen quality is good or bad.
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Screen printing what issues should pay attention before?

① printing establishments clean precision screen printing with the printing requirements of continuous improvement, especially printed circuit boards, electrical components, such as high-precision printing on the environment also put forward higher requirements. General requirements for the printing workshop, and plate-making workshop to be clean, no dust in air, otherwise, will affect the printing quality. Require a higher accuracy of the printing workshop, if necessary, installation of air purification equipment in order to maintain printing, plate-making workshop clean.
② temperature and humidity of spring, summer, autumn and winter seasons the temperature and humidity changes in a larger impact on the printing accuracy of a relatively large, especially multi-color overprint, affecting more obvious, therefore, request the indoor humidity, temperature should be relatively stable, Seasonal changes in accordance with appropriate adjustments to the indoor temperature and humidity to ensure the accuracy of the printing size.
③ fully understand the nature of substrates as a result of the application of screen printing a very extensive variety of print materials, and substrates of different shapes, in the printing before the different requirements according to the selection of appropriate inks and solvents as well as the scraper and so on.
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Screen Printing and Packaging

Screen Printing and Packaging
Metal packaging products, many different types, different physical properties, uses a different surface, different requirements will, therefore, metal packaging products in screen printing to be different before the pre-press processing.
Pre-treatment methods are mainly degreasing, polishing, mechanical oxidation treatment, spray painting, surface coating, etc.. Pre-press deal with the main role is to remove the metal packaging products processing defects and improve the aesthetic effect of the surface and at the same time to change the metal surface finish and improve Printability.
Degreasing of metal packaging products in the screen printing of a pre-treatment process. The main purpose is to remove the surface of metal products oil, gray trace. Apart from the basic approach is, according to oil type, choose the appropriate solvent or cleaning fluid, metal packaging products for surface cleaning. Commonly used solvents are organic solvents or alkaline solution. Cleaning fluid mainly by the sodium phosphate, sodium carbonate, such as the composition of liquid soap.
Polishing is also a metal packaging products in front of a screen printing process. The main purpose is to remove metal surface rough, uneven, scratches, bumps and other defects, to improve metal surface brightness.
Pre-polishing is commonly used methods of treatment. Polishing can be divided into mechanical polishing, chemical polishing and electropolishing.
Pre-oxidation process is the production of aluminum plate surface treatment methods commonly used.
Oxidation is defined as a certain concentration of the acid solution, current density through the adjustment of the metal as the anode oxidation treatment process. By the oxidation treatment of metal materials can generate a hard texture, chemical properties of a stable oxide layer. Generated oxide layer is characterized by: dense oxide layer with pores, an increase of the adhesion of the ink; oxide layer with better insulation, suitable for the production of a variety of sign occasions charged; oxide layer can improve the surface hardness of metallic materials , an increase of wear resistance. Oxidation treatment in general the use of sulfuric acid solution, chromic acid solution and oxalic acid solution. The use of oxalic acid oxidation solution available to handle more of the oxide layer caused by encryption.
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How to choose and use the screen printing ink

How to choose and use the screen printing ink
As the screen printing process uses a wide range of inputs less difficult for other printing methods of printing substrates, using screen printing, silk screen process and therefore the last decade have developed rapidly. Screen printing process brought about by the characteristics of such a fine, in addition to the diversification of printing equipment, there are multi-functional, multi-purpose screen printing inks. Therefore the correct choice and use of silk screen printing ink than other alternative methods (gravure, letterpress, lithography, soft version) is all the more important. The choice of screen printing ink printing ink and the use of wire and other types of ink are the same as pigments, resins, solvents, additives mixed grinding together.
1. By dry methods can be divided into: steam dry type - through solvent evaporation method to make ink film adhesion. Oxidative polymerization type - oxidation reaction through the ink film adhesion method. Second liquid reaction type -through the two-component chemical reaction so that the ink film adhesion method. UV-curing type, through ultraviolet radiation caused by a chemical reaction so that the ink film adhesion method. Different drying methods can be brought about by the printing ink after the ink gloss film different, different resistance (mechanical resistance, chemical resistance, weather-resistant performance), using different drying equipment, resulting in different costs, and thus the user need to choose carefully.
2. According to the type of ink can also be expected to link into many types, but different ink manufacturers of the selected resin is different from the general category can be divided into epoxy resin, polyurethane type, polyester, vinyl, acrylic, rubber category and so on. Only clear substrates of different materials in order to choose different types of ink resin in order to avoid errors caused by ink adhesion adverse consequences. Not clear material substrates, preferably by printing test before deciding on the choice of ink.
3. Drawbench: The reason is that high viscosity, fast drying, ink and solvent used in resin caused by mis-match, you should use a suitable solvent, appropriate adjustment or replacement of the fine ink viscosity.
4. Migration, faded: The reason is that improper use of pigment ink, especially a large number of plasticizers soft membrane, more susceptible to migration, should use the appropriate ink.
5. White or printed there is mist: The reason is that diluent containing water, ambient air humidity printing, or printing ink in itself bad. Due to the printing surface drying, the solvent evaporation will absorb the surrounding heat, causing water vapor partial solidification in the ink inside the membrane or surface of cause and should therefore select the appropriate drying rate or reduce the space humidity, or the replacement of good ink. Curing agent, driers, stressed the use of Mexican oil. 1. Curing agent, driers should be based on the proportion of accurate use to add, otherwise the ink will increase the crust, resulting in an undesirable effect adhesion. 2. Transfer ink oil normally used for gold, silver ink production, increase the transparency of ink film, ink film gloss enhanced membrane mask, such as the role of Mexico, Mexico's accession to transfer the oil, after adding an appropriate proportion should be thinner to prevent adverse effects printing.
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China not to blame for crisis

China not to blame for crisis
The global credit bubble started with U.S. policies rather than the savings of China and oil exporters, a leading World Bank economist said.
"The global credit bubble started with U.S. policies," David Dollar, World Bank's country director for China, said in an exclusive interview with China Daily Thursday.
The Financial Times on Jan. 2 cited U.S. Treasury Secretary Hank Paulson as saying, "In the years leading up to the crisis, super-abundant savings from fast-growing emerging nations such as China and oil exporters ... put downward pressure on yields and risk spread everywhere."
Paulson said this laid the seeds of a global credit bubble, the newspaper reported.
"After 2001, the U.S. stimulated its economy by reducing taxes and increasing government spending," Dollar said. "This was appropriate for a short time, but the U.S. stuck with the stimulus for too long."
After the burst of the Internet bubble in 2000, the Federal Reserve slashed interest rates 13 times to a record low of 1 percent, trying to give a boost to the economy. The low borrowing cost then led to an investment binge in the real estate sector, which later turned out to be another bubble.
The blame on China's surplus as the cause of the bubble is absurd, Albert Keidel, a senior fellow with Carnegie Endowment for International Peace, a Washington think-tank, said in an earlier interview with China Daily. "China's exchange reserve only started to grow after its entry into the WTO in 2001, but before that the bubble in the U.S. was already brewing," he said.
Keidel reckons excessive deregulation of the financial market, which then allowed banks to lower oversight on mortgage applications, is the main reason for the subprime crisis.
"When the U.S. stimulus continued for too long, normally interest rates would have risen and that would have slowed the U.S. bubbles," Dollar said. "But the large trade surpluses in China, Japan, Germany, and the oil exporters provided lots of low-interest lending to the U.S., enabling the bubbles to keep growing."
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Screen Printing Principle

Screen Printing Principle

Screen-printed by the five elements, namely, screen printing plate, scraping scraper printed, ink, printing and Taiwan, as well as substrates. Screen printing the basic principles are: the use of screen-printed version of Graphic part mesh through ink, non-graphic mesh impenetrable part of the basic principles of ink for printing. Printing plates at the end of the wire into ink used in the screen scraping scraper printed on the printing plate to exert a certain pressure parts ink, silk screen printing plate at the same time North Korea the other side of Mobile. Ink was in the mobile scraper from the graphic part of the mesh in the extrusion to the substrates. Because of the role of viscous ink blot fixation within a certain range, the printing process has always been with the screen scraper plate and substrates linear contact, contact with the scraper moving line of mobile, as the screen printing plate and substrates maintain a certain gap between, making the screen printing plate through its own tension arising from the reaction of the scraper, the reaction known as the back stretch. Because of the role of resilience, so that screen printing plate and printing materials are mobile lines were exposed, and screen printing plate and other parts of substrates for out of state. To make ink and screen broke campaign to ensure that the printing dimensional accuracy and to avoid rubbing dirty substrates. When the scratch scraper looked after the entire layout, but also raised his screen printing plate and ink back to initial position. So far as a printed itinerary.

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Non-woven fabric of conventional screen printing

Non-woven bag screen printing the basic principles:
Screen printed version of some holes through ink leakage printed on to substrates; printed version on the rest of the mesh block, unable to make use of inks, substrates formed in the blank in order to screen for the support body will be wire tension in the network box, and then online Photosensitive plastic coating to form a photosensitive film version, and then close co-yang diagram in film version, after exposure. autoradiography, printed edition having been part of Mexico formed by light-curing version of film, will be shut mesh, impenetrable printing ink, printing plate on the need to cross the Mexican part of the mesh is not closed, printing ink through the substrates to form a black track.
Non-woven bag screen printing features:
1. Not subject to the size and shape of substrates restrictions. General printing can only be carried out in the plane, and not only in the flat screen printing, but also in special-shaped objects in the type and convex surface printing, but also can print a variety of super-large posters, curtains, curtain .
2. Layout soft printed pressure small. Screen printed version of soft and flexible, printed pressure small, so not only on paper, textiles and other soft printing on substrates, but also easy to damage in the pressurized glass. Ceramic containers on printing.
3. Ink coverage thick and strong. Screen printing ink thickness of up to 30 ~ 100μm, therefore, particularly strong hiding power of the ink can be in the whole black-white piece of paper for printing.
Thick screen printing ink, printing three-dimensional graphic sense, is the other printing It can not be compared to the.
4. Applicable to all types of ink. Screen printing inks used in the Canton, has gone beyond the usual scope of the definition of ink. In fact some pulp, plastics, paint, adhesive or solid powder, therefore, screen printing ink sometimes collectively referred to as "printed materials."
5. Light fastness performance. Ink broad classification, it should be according to the printed version of sub-type, that is divided into Toppan printing ink, lithographic printing ink, gravure ink and ink version filtration. However, this classification is too principles, can not express all the realities of the ink in recent years due to the increasing varieties, new designs for the emergence of type to sub-only version, there is a limitation.
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Stainless steel wire mesh screen printing characteristics

Stainless steel wire mesh is made of stainless steel materials. Stainless Steel Wire Mesh is characterized by good wear resistance, high strength, skills stretch small; as a result of fine wire diameter, the adoption of good ink; screen mechanical properties, chemical properties of stability, dimensional accuracy and stability. Their difference is the lack of flexibility, price more expensive. Screen done after restitution. Stainless steel wire is suitable for circuit boards and integrated circuits such as high-precision printing.

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Modern silk-screen printing making lithograph plates technology innovation

Before the net India, the processing system along with high tech's rapidly expand, net India is the same with other printing method, makes lithograph plates in the area of technology before India to introduce the computer technology, causes the chart article combination, the colored color separation, the direct output to make lithograph plates a time to complete. In recent years, before because silk-screen printing's India, processed the same offset printing to realize the tabletop system as well as printing equally with the India post processing fast, influences without the dirt, this enables only to have the suitable scale factory to be able to make the processing the net India product, now may be able to complete in the street corner shop. For instance may print out the color image through the digital camera coordination photogravure press, or the use tabletop computer image combination processing system, combines the natural landscape with any picture Cheng Xin the image, again prints out after the laser printer, then may transfer on the India T-shirt or other household utensils, entire print process less than ten minutes. Through these computerizations, fast and miniaturized equipment entire product manufacture process, through the transparent display window, unfolds in front of the consumer, attracts more customers. This processing way looks like fast printing which in the domestic big or media-sized cities already emerged at present to be the same, forms one emerging popular profession.

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The new method of screen printing

Equipment insufficiency, must print, how to manage? May stretch the net method manually through the improvement, the part solves this problem, the simplest most and direct means are use to clamp the type to stretch the net method manually. Stretches the net with this method, stretches the net quality is good, the speed is also quick, the majority small silk India Factory uses this method. Stretches the net with this method, one time may stretch two net frames at least, satisfies the chromatography screen to stretch the net parameter as far as possible same request. Based on the experience, between two net frame's included angle is 135 - 150 degrees. In order to enhance the tensity the stability, may brush the rubber fixedly first trilateral, finally lays aside the waiting at the same time. The standby period is one hour at least, simultaneously will let stretch net rubber completely dry later again fixed finally one side. In fixed process, if discovered that the net too relaxes, again relaxes the tautness to the opposite side. After repeated tautness, basically can overcome silk screen's tensity relaxation, the part enhances the tensity the stability, to a certain extent enhances stretches net's quality. But stretches the net operating process to be numerous and diverse manually, lacks the standardization, the digitization, the restriction stretches the net quality the enhancement, affects India's quality. Therefore, even if changes stretches net's method, the handwork stretches the net to be unable to achieve the high quality the request. Must fundamentally change stretches net's quality, causes to stretch the net process standardization, the digitization, must certainly use stretches the net installment, like air operated stretches the net machine, the machinery to stretch the net machine.

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