Ishita - Selection of Printing Type for a Particular End

8/6/2019 Ishita - Selection of Printing Type for a Particular End

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ISHITA JAIN

080-179

DFT-5

SELECTION OF PRINTING TYPE FOR A

PARTICULAR END PRODUCT


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PRINTING

y Process for reproducing text and image, typically with

ink on paper using a printing press.

y Carried out as a large-scale industrial process, and is an

essential part of publishing and transaction printing.y On a printed fabric, the outline of a design is sharply

defined on the outer side.

y The design does not penetrate to the back of the cloth.

However, the design may show up on the reverse sideof transparently thin fabrics.


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TYPES OF PRINTING

y Block Printing

y Roller Printing

y Stencil Printing

y Screen Printing-rotary & flat bed

y TransferPrinting

y Digital Printing-a new style

y Lithography

y Offset lithography


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STYLES OF PRINTING

y Direct Style-

y It can be done on white or a coloured fabric. If done on

coloured fabric, it is known as overprinting.

y Disharge Style

y The fabric is dyed in piece and then it is printed with achemical that destroys the colour in the designed areas.

y Resist Style

y Resist paste is imprinted on the fabric and then it isdyed. The dye affects only those parts that are not

covered by the resist paste


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DIGITAL PRINTING

y

Reproduction of digital images on physical surface, such ascommon or photographic paper, film, cloth, plastic, etc.

y Ink does not absorb into the paper, as does conventional Ink,

but forms a layer on the surface.

y Requires less waste in terms of chemicals used and paper

wasted in set up.

y Excellent for rapid prototyping, or small print runs.

y Good for four-color jobs that are short-run and that need to

be turned around in less than two days.

y It tends to be limited in its choices of color and paper.


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LETTERPRESS PRINTING

y It uses images on the plate that are slightly raised from thesurface (like a rubber stamp).

y It is a direct printing method in that the inked plate applies the

image directly to the substrate.

y Fast diminishing printing method. .


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y It is still used for publishing a few small town newspapers,

several types of labels, packaging materials, and some

narrow web printing

y The types of products that can be finished using letterpress

equipment include embossed business cards and

government documents, die-cut labels and folders,

numbered tickets and membership cards, perforatedmailers, and foil stamped letterheads and invitations


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EMBOSS PRINTING

y Makes an impression into thick paper over printed type or adesign. The impression may be concave (rounded inward like a

bowl) or convex (curved outward, like the exterior of a sphere

or circle).

y Can be applied to textiles as non- wovens to get better finished

products as sanitary napkins, diapers, tissue paper and others.

y Used with foil stamping which when embossed with foil is

known as combination stamping or combo stamping.Most

types of paper and boards can be embossed and there are no

restrictions on size.


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OFFSET LITHOGRAPHY PRINTINg

y Popular printing method offered

y Used to print any variety of different textured materials, this

process uses ink economically and requires little time to set up the

press.

y It is used for almost all printing on paper, including newspapers,magazines, brochures, etc. The paper products that are inserted

into CD jewel cases are printed using the offset technique, as are

almost all alternative cardboard packaging materials.


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THERMOGRAPHY PRINTING

y Print finishing process that produces a raised image.

y This process dusts a previously printed image with a powder

before the image's ink has been allowed to dry. This process is

mainly used for stationery.

y It is also known as imitation engraving.

y Faster than engraving and it is less expensive.

y Can add value to many ordinary print applications.

y Letterheads, greeting cards, invitations, business cards, marketing

applications, announcements, and envelopes.

y can make the appearance of many print applications more

distinctive, providing a customized appearance.


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BLOCK PRINTING

y Block Printing is a very old technique of Rajasthan &

Gujarat. It is used for a variety of end products.

y It is used mostly for designs on bed sheets and Indian

garments e.g.. kurtas and cotton sarees, wall hangings,

religious purposes.

y It is used extensively.


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DUPLEX & BURNOUT PRINTING

y Duplex- Used for fabrics where both sides are identical.

y Burnout- used for fabrics where two different types of

yarns are blended to make a fabric


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SCREEN PRINTING

y Often used for non-flat goods

y Best equipped to print on items like mugs, clothing, ring

binders, bumper stickers or billboards.

y

Very versatile and it is often the only printing process capableof handling certain applications.

y Can be performed on almost any type of material including

paper, glass, fabric, plastic, wood, and metal.

y

Products as varied as signs, posters, circuit boards, mugs,clothing, and soft drink bottles can be printed

y Very useful when an image needs to be wrapped around an

object or when images need to be printed onto oddly shaped

manufactured objects.


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y Clothing

y Textile fabric

y Product labels

y

Printed electronics, including circuit board printingy Thick film technology

y Balloons

y Medical devices

y Snowboard graphicsy Signs and displays

y Semiconducting


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GRAVURE PRINTING

y Expensive but high quality printing technique that uses

direct contact between an etched copper plate and the

paper.

y Print high quality, large volume materials such as

brochures, magazines, annual reports and mail order

catalogues.

y Used for many packaging applications, magazines, and

pressure sensitive labels.

y Gravure is the preferred method of producing magazinesand catalogs that have large circulations. "National

Geographic" magazine.


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ELECTROSTATIC PRINTING

y Printing of geographic maps.

y With the advancement in technology and higher speed, the

machines are also being used to print small books.

y Electrostatic printers are used for short run printing as they

are faster and also do not cost much.

y Electrostatic printers are widely used in different industries

for short run printing. They are popular for photocopying

jobs both black & white and colored. These printers are

faster than inkjet printers


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FLOCK PRINTING

y Used to print variety of small prints on fabric such as

dots and figures especially on light weight or sheer

fabric.


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PRINTING-Dyes and Pigments

y The Dyes mostly include vat, reactive, naphthol and

disperse colours which have good fastness properties.

y The pigments, are also used. These colours are fixed to the

fiber through resins that are very resistant to laundering or

drycleaning.

y Pigments are among the fastest known colours and are

effective for light to medium shades


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THANK YOU

Ishita - Selection of Printing Type for a Particular End

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