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PLASTIC CARD PRINTING

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silkscreen printing

It is a printing technique for use in the reproduction of documents and images on any material and consists in transferring an ink through a mesh stretched on a frame, the passage of the ink freezes in parts where there is no image using an emulsion or varnish, leaving open the area where the ink will. It is a repetitive, because once obtained the model, can be played endlessly without losing definition.

serigrafia

Silkscreen printing process

One of the reasons that have determined the diffusion of the printing is the ease of preparation of the screen printer.

This preparation can take place with simple means and also with more sophisticated photomechanical procedures.

In both cases the goal is always to be applied to the fabric of woven a gelatin layer impermeable to ink and close the plot in the unexposed parts.

The process is carried out in 7 basic steps:

  1. Mechanical original. - Completing the creative work
  2. Emulsify. - Application of emulsion (Dichromate and Sericrom) to the mesh
  3. Burn. - Exhibition of the mesh previously emulsified in Lightbox.
  4. Reveal. - Application of water to the mesh, after exposure, the mesh and dried by air
  5. Tape. - Was taped unwanted parts of the mesh.
  6. Register. - This is the way to keep printing the same place.
  7. Run. - Printing is performed.

The manual screen printing process can be summarized as follows:

Matrix used as a frame, or frame, with a fine mesh, opened in certain areas, the image is printed, and closed in others.

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The ink, which has a certain density, and is dragged down by a rubber squeegee call, through the mesh and deposited on the support. So the non-printing parts are sealed and remain free those through which the ink deposited on the step to support.

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Each support is placed under the die, is printed and removed for drying in the case of a sheet of paper, plastic or metal. If it is a material remains in place for implementing the next color over the former.

Basic stages of industrial screen printing process

The screen printing process involves four basic stages and consecutive

Original-Movie-Matrix-Print

Of these the first three stages are preparing all the elements and the fourth or last truly corresponds to printing.

Advantages.

  • Printing on various materials, (paper, glass, wood, plastics, natural or synthetic fabric, ceramic, metal etc.).
  • Printing on supports of various shapes (flat, cylindrical, spherical, conical, cubical, etc.).
  • Print out outdoors or workshop; (vehicles, doors, cabinets, machinery, etc..).
  • Support or printed piece that receives only a weak pressure stamped.
  • Manage heavy ink deposits, obtaining colors with strength and stay outdoors.
  • Wide choice of types of ink: synthetic inks, textiles, ceramics, epoxy, etc..
  • Obtaining saturated colors, transparent, fluorescent, gloss, matte or semi-gloss.
  • Relative simplicity of the process and equipment, which facilitates a fully manual systems.
  • Variety of highly automated equipment for all stages of the process ensuring high speed and quality productions.
  • It is cost effective in short and long runs.

Disadvantages.

The main advantage of this printing system is that by their wide range of media that can print quality in many of these are low.

Applications

  • In the reproduction of artwork. - Paintings, drawings, posters, etc.. - In the textile printing. - T-shirts, dresses, fabrics, ties, sports equipment, footwear, canvas, and all types of clothing.
  • In the printing of plastics. - Awnings, panels, decorative items, signage and marking plates, control panels, etc..
  • The impression of wood and cork, to decorative items, placed, furniture, panels, etc..
  • In printing decals and stickers. - Water and dry Decals, stickers on complex or self-adhesive materials (paper and polyvinyl chloride), vitrifiable decals for decorating tiles, glass and ceramics.
  • Decoration of glass, mirrors and equipment for all types of gaming machines and gaming, and cylindrical jars, bottles, containers, syringes, vials, jars, etc..
  • For the flocking of all materials, in this case also the adhesive is applied by screen printing.
  • In the production of large format mural signage, outdoor advertising billboards, the resistance of UV inks.
  • In all types of window dressing materials, desks, cabinets, shop interiors, and in any scale, decorations and promotional advertising.
  • Decoration directly through clay glazes and enamels, ceramics, porcelain, etc..
  • Labels of aluminum, cardboard, leather, fabrics, etc..
  • Production of printed circuit boards.
  • Decoration of cork and wood.
  • Marking and labeling conveyors for automotive vehicles and equipment.
  • Printing covers for folders, books, etc..

Offset Printing

Offset printing is an industrial method of reproducing text and images on paper or similar materials, which comprises applying an oily ink, on a metal plate for transfer to a rubber and finally to the paper by pressure.

Offset Printing Process

Offset printing is done using aluminum sheets fixed and treated on cylinders, so there is a plate for each color you want to represent the case of the photochrome (cyan, magenta, yellow and black).

seri Thus obtained printed full color image by overlaying, several passes, the different inks. The quantity and proportions of each of the basic inks used in the printing process and partial transparency of these and the support on which is printed, will result in a full color image with a good gradient of tones.

So that the plate is impregnated with ink, only, is subjected to a photochemical treatment (sunstroke and revealed), so that the treated parts repel water. In this way the iron is first passed through a dampening water impregnating and then by an ink.

As the ink is a fatty compound, is repelled by the water, and is deposited exclusively on the treated parts, ie, with image. Water often contains other substances to improve its reactivity (pH and conductivity) with the sheet and the water.

Finally, and inked images are transferred to a rubber lining other cylinder and this rubber which comes into contact with the paper for printing, aided by a pressure cylinder, or platen.

Grilled Design.

This printing process is called direct film or plate.

Iron (offset printing).

The plate is the part that carries the information that on receipt printable ink, it distributes significantly to then move to where you are printing.

seriThe characteristics of a design program ofsset valid for printing is capable of transmitting this information, broken down into colors. In the case of the four colors, we get 4 plates, one for each color (Cyan, Magenta, Yellow and Black) and the combination of these would get a wide range of colors, which is called in full color.

Ofsset printing standard sizes

There are 3 most common standard sizes. 35 cm x 50 cm, 50 cm x 70 cm. and 70 x 100 cm. Depends on the size of the original print and the number of impressions will be used either machine, putting on one or more original specifications, reducing print times and therefore the printing costs.

Advantages:

  • Faithful reproduction of image detail/li>
  • Ability to use a variety of paper or PVC.
  • Processes of preparing quick and easy, which added to the low price of iron, make it an economic printing system.
  • It is cheaper to medium run projects, but can also be used for long runs and a very wide range of formats.
  • In addition, offset printing is much faster because there is less time for preparation of the plates compared to other systems such as gravure printing or flexographic (already obsolete).

Sublimation

The process of transferring an image, text or combination thereof, made on a plain paper and transfer it to a PVC card. This process is performed by applying a temperature of about 240 ° C on the card image and sublimate. The most common equipment used to apply heat transfer machines are or heat press.

Sublimation Printing

It is mainly used for making small quantities of custom cards with a finish which is not known for its high definition compared to offset printing. Print tapes using CMYK. These are defined as films that are giving the colors to the card. The printing process is performed on-board card. Its main use is the personalization of printed cards. It is also possible to give a final layer of gloss to the card using CMYK ribbons. One disadvantage is that you can not print to the edge, which is common to display a white border around the outside perimeter of the card.

QuarOnline offers sublimation printers Evolis.

Evolis Card Printers:

Evolis Tattoo

For card printing in small quantities and for mobile applications

tatoo

Evolis Tattoo RW

A new generation of rewritable card printer.

tatoo

Evolis Pebble

Print your cards to a single face in high definition, with advanced encoding options.

peble

Evolis Dualys

Print double-sided cards in high definition, with advanced encoding options.

dualis

Evolis Quantum

Modular coding and printing for centralized card

quantum

Evolis Securion

Print and laminate security cards

securion

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