Machine d’impression 4 couleur écran économique à vendre
|Délai de livraison:||3 jours|
|Détails d'emballage:||Carton d’emballage, Volume : sur 0.68square, poids : 120 kg, il est adapté pour l’expédition|
|Lieu d'origine:||Guangdong, Chine (continent)|
Informations de base
Description du produit
Foundation Size: 920x920x590-830mm
Machine Size: 1900x1900mm
Pallet Size: 550x450mm
Biggest Screen Sized it can apply to: 530x430mm
Net Weight: 163Lb (74kg)
Gross Weight: 181Lb (82kg)
Shipping Volume: 0.30 Cubic Meter
Carton Gross Weight Package Size
One 57Lb (26kg) 23"x23"x13" (59x59x31cm) T
wo 42Lb (19kg) 23"x16"x7.5" (59x39x19cm)
Three 40Lb (18kg) 24"x20"x9" (61x51x22cm)
Four 42Lb (19kg) 32"x23"x6.3" (81x58x16cm) U
p-and-down adjustable (77-100cm) foundation of our newest design can meets demands of people statures from 150-190cm. Height adjusting is easy but stable after adjusted.
Especially as for the export companies, they don't need to design different foundations for different customers thoughout the world.
4 Color 4 Station Double Rotary Screen Press - Precise Color Registers
4 Color 4 Station Screen Press can apply 4 screens to 4 stations simultaneously. The printing layer and the screen layer and the pallet layer can rotate independently, which makes it easy for multi-color printing, material loading and unloading, finally brings more wide range, convenient and faster printing effect.
4 Color 4 Station Screen Press is the only the one and only double-rotary printing machine which adopts assembled instruction but still can guarantee the accuracy color registers of four colors in four stations. It has kept the common functions of the similar machines, such as double rotary of pallet layer and screen layer, high pulling intensity of double springs, height of pallet putting up and down, screen adjusted in all round, left and right location of screen frame support arm, etc. What's more, it has some special functions with human nature, overcoming the shortcomings of the traditional machines, which brings more relaxed, accurate but higher efficient printing effect. So it's the highest cost-performance screen printing machine during the screen presses with the same prices.
Special Features and Functions
1. This silk-screen printing press completely overcomesthe disadvantages of the same price similar appearance silk-screen printing press, which can only overprint accurately in one or two stations . Before delivery all the printing head support arms have been accurately adjusted, so it can realize four color accurate registers in four stations after installation and debugging. In other words, it can be applied into multi-color printing by multiple persons simulteneously. It's unaccomplishable for the other screen presses with the same prices.
2. Special design of spring devices in screen adjusting up and down makes it easies for the user operations according to the sizes and weight of the screens, which guarantees proper spring intensity to avoid squeegees expelling and inks splashing in higher intensity and screen unfixing because of higher weight of screen frames and squeegees in loose intensity.
3. Up-and-down adjustable (77-100cm) foundation can meets demands of people statures from 160-190cm. Height adjusting is easy but stable after adjusted. So it can guarantee the users to print in a proper height and relaxed posture under a more labor-saving and much more comfortable way.
4. Fine adjustment device is easy operated but can mainly guarantee well appressing between screen and pallet, espeically for the slightly deformation screen frame or unsmooth contact surface between screen and pallet, which will bring better printing effect.
5. Double fix position device is an initiate design. The upper wheels blocks make it much easier for the pallet support to enter into the fixed position; The small bottom wheel blocks guarantee the accurate postion of the pallet support arm and color registers, which brings relaxed but much more accurate printing operation for the users.
6. Composite structure. It can be dismantled and packaged into 4 cartons, with total volume of only 0.30 cubic meters and each carton weight of basically within 30kg; so it can be easily carried and moved for an adult and even in a sallon car; Besides, we have supplied video instruciton for easy installations. Its convenient transportation and easy installation needn't speical transportation and handling tools, which will save much shipping cost; That's also an unique and unparalleled feature during the similar machines of accurate color registers.
7. Super big foundation and peculiar auxiliary balance foot stands keep it balanced and stable even the ground is not smooth.
1. This machine adopts full metal structure and all parts are stainless steel materials, which is in advanced electrostatic spraying, elegant appearance, convenient in cleaning and no rust.
2. Excellent packaging: with its composite structure, the whole equipment is dismantled into 4 cartons but well packaged. Inside the carton, all the parts are separated packaged by high-strength cystosepiment and with splint on the top and bottom; Outer carton, it adopts five-layer corrugated carton and stretchable film; which will furthest reduce damage during transportation and especially suitable for long-distance transportation and demands of export.
3. Equipped with installation video, manual instruction, full set installing and maintenance tools and spare parts.
Economic 4 color screen printing machine for sale
Screen printing is a printing technique that uses a woven mesh to support an ink-blocking stencil. The attached stencil forms open areas of mesh that transfer ink or other printable materials which can be pressed through the mesh as a sharp-edged image onto a substrate. A fill blade or squeegee is moved across the screen stencil, forcing or pumping ink into the mesh openings for transfer by capillary action during the squeegee stroke.
Screen printing is also a stencil method of print making in which a design is imposed on a screen of polyester or other
fine mesh, with blank areas coated with an impermeable substance, and ink is forced into the mesh openings of the mesh by the fill blade or squeegee and onto the printing surface during the squeegee stroke. It is also known as silkscreen,serigraphy, and serigraph printing. You can also have more than one colour printing, for example you could have a striped printing.
A screen is made of a piece of mesh stretched over a frame. A stencil is formed by blocking off parts of the screen in the negative image of the design to be printed; that is, the open spaces are where the ink will appear on the substrate.
Before printing occurs, the frame and screen must undergo the pre-press process, in which an emulsion is 'scooped' across the mesh and the 'exposure unit' burns away the unnecessary emulsion leaving behind a clean area in the mesh with the identical shape as the desired image. The surface (commonly referred to as a pallet) that the substrate will be printed against is coated with a wide 'pallet tape'. This serves to protect the 'pallet' from any unwanted ink leaking through the substrate and potentially staining the 'pallet' or transferring unwanted ink onto the next substrate. Next, the screen and frame are lined with a tape. The type of tape used in for this purpose often depends upon the ink that is to be printed onto the substrate. These aggressive tapes are generally used for UV and water-based inks due to the inks' lower viscosities. The last process in the 'pre-press' is blocking out any unwanted 'pin-holes' in the emulsion. If these holes are left in the emulsion, the ink will continue through and leave unwanted marks. To block out these holes, materials such as tapes, specialty emulsions and 'block-out pens' may be used effectively.
The screen is placed atop a substrate. Ink is placed on top of the screen, and a floodbar is used to push the ink through the holes in the mesh. The operator begins with the fill bar at the rear of the screen and behind a reservoir of ink. The operator lifts the screen to prevent contact with the substrate and then using a slight amount of downward force pulls the fill bar to the front of the screen. This effectively fills the mesh openings with ink and moves the ink reservoir to the front of the screen. The operator then uses a squeegee (rubber blade) to move the mesh down to the substrate and pushes the squeegee to the rear of the screen. The ink that is in the mesh opening is pumped or squeezed by capillary action to the substrate in a controlled and prescribed amount, i.e. the wet ink deposit is proportional to the thickness of the mesh and or stencil. As the squeegee moves toward the rear of the screen the tension of the mesh pulls the mesh up away from the substrate (called snap-off) leaving the ink upon the substrate surface.
There are three common types of screenprinting presses. The 'flat-bed', 'cylinder', and the most widely used type, the 'rotary'.
Textile items printed with multi-colour designs often use a wet on wet technique, or colors dried while on the press, while graphic items are allowed to dry between colours that are then printed with another screen and often in a different color after the product is re-aligned on the press.
Most screens are ready for recoating at this stage, but sometimes screens will have to undergo a further step in the reclaiming process called dehazing. This additional step removes haze or "ghost images" left behind in the screen once the emulsion has been removed. Ghost images tend to faintly outline the open areas of previous stencils, hence the name. They are the result of ink residue trapped in the mesh, often in the knuckles of the mesh (the points where threads cross).
A method of stenciling that has increased in popularity over the past years is the photo emulsion technique:
1.The original image is created on a transparent overlay, and the image may be drawn or painted directly on the overlay,photocopied, or printed with a computer printer, but making so that the areas to be inked are not transparent. A black-and-white positive may also be used (projected on to the screen). However, unlike traditional platemaking, these screens are normally exposed by using film positives.
2.A screen must then be selected. There are several different mesh counts that can be used depending on the detail of the design being printed. Once a screen is selected, the screen must be coated with emulsion and put to dry in a dark room.Once dry, it is then possible to burn/expose the print.
3.The overlay is placed over the screen, and then exposed with a light source containing ultraviolet light in the 350-420 nanometer spectrum.
4.The screen is washed off thoroughly. The areas of emulsion that were not exposed to light dissolve and wash away,leaving a negative stencil of the image on the mesh.
Another advantage of screenprinting is that large quantities can be produced rapidly with new automatic presses, up to 1800 shirts in 1 hour. The current speed loading record is 1805 shirts printed in one hour, documented on 18 February 2005.Maddie Sikorski of the New Buffalo Shirt Factory in Clarence, New York (USA) set this record at the Image Wear Expo in Orlando, Florida, USA, using a 12-colour M&R Formula Press and an M&R Passport Automatic Textile Unloader. The world speed record represents a speed that is over four times the typical average speed for manual loading of shirts for automated screen printing.
Screenprinting is more versatile than traditional printing techniques. The surface does not have to be printed under pressure, unlike etching or lithography, and it does not have to be planar. Different inks can be used to work with a variety of materials, such as textiles, ceramics, wood, paper, glass, metal, and plastic. As a result, screenprinting is used in many different industries, including:
Printed electronics, including circuit board printing
Signs and displays
Thick film technology
Screen printing press
To print multiple copies of the screen design on garments in an efficient manner, amateur and professional printers usually use a screen printing press. Many companies offer simple to sophisticated printing presses. Most of these presses are manual. A few that are industrial-grade-automatic printers require minimal manual labor and increase production significantly.
Economic 4 color screen printing machine for sale
Analysis of screen printing trends and prospects
Screen printing market space
China from the 20th century, 80 years, the speed of screen printing materials, equipment, technology research and development, so that screen-printing with flexo printing, offset printing, gravure played an advantage in competition. Rate of 7% annual increase. Currently there are about More than 70% of the wide format color screen printing with spot-color printing, nearly 30% using four-color overprint, and the proportion of four-color overprint is still increasing steadily. Industry survey showed that 70% of the annual output value of enterprises 100 million. But China's current total output value of the printing screen printing production value less than 2%, which have great potential to be tapped and broad development prospects.
Survey, the national screen printing ink usage is 2-year million tons, of which about 54% of the imported products; mesh year with about 10 million meters, of which about 62% of the imported silk screen, light-sensitive plastic consumption is about 4300 years tons, of which about 57% of imported products. The more large-scale screen printing factories in the greater proportion of imported products.
The next screen printing will remain a high growth rate will gradually increase the technical, industrial scale will be further expanded. Authorities predicted that the future world production of screen printing in the printing share of GDP will rise to 10%. There is no doubt that China Screen Printing Industry is being nurtured the development of a larger space and potential market. Expected that by 2005 China will become the world's largest screen printing market. China screen printing in the future will be depth and breadth. "Deep" is to a higher level of development, international screen printing industry has long been widely used in computer design, plate making, carving and other advanced electronic technology, and our country for these new technologies are still in the research trial stage; "well" is the development of new screen printing products, such as outdoor advertising and other large-scale screen printing.
Economic 4 color screen printing machine for sale
Screen printing applications
Survey shows that China Screen Printing Industry and the number of kinds of products sorted by manufacturers as follows:signs and panels, textiles and garments, plastic sheets, advertising materials, printed circuits, light boxes and so on.Emerging field of screen printing to an extraordinary rate, such as building materials, the system card, CD-ROM, security printing and so on.
1. Ad print
Screen Printing in commercial advertising, there will be more market, some large companies, especially electric companies,tobacco companies promote their image in order to attach great importance to the role of advertising. Advertising time and to some extent determine the quality of the company's share of the market. Therefore, all kinds of electrical advertising,packaging and advertising, outdoor advertising, commercial ads to screen printing provides a broad space. In the commercial competition, because the large-scale outdoor advertising a wide field of vision, effective and taken seriously. So, as our screen printing large color outdoor ads along with the development of commercial advertising, the increasing volume showed large, cheap, colorful, save a long period, and fast delivery advantages, more and more cities are planning departments,advertising approved by regulatory agencies, attracting a lot of advertisers.
2. Packaging and Printing
Packaging industry is the main service screen printing industry, target, screen printing technology continues to develop applications, will better serve the packaging and decoration industry, for packaging and decoration industry, while contributing to a more prosperous, but also for silk screen printing industry.
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