Screen printing is a printing technique that uses a mesh screen to transfer ink onto a substrate. It involves using a squeegee to force ink through the mesh openings to print an image. Multiple screens can be used to print multi-colored images. There are different methods of screen printing including hand, semi-automatic, and rotary screen printing. Hand screen printing allows for precise printing but requires skill while rotary screen printing is faster but uses cylindrical screens. Screen printing offers durable prints in vivid colors on a variety of materials but has long set-up times.
Now we are in the age of printing, textile printing becomes popular day by day. Screen printing has been taken large place in textile printing sector. Trying to give a short description on it.
This presentation is brought to you by FESPA thanks to Ad Versteeg of Evident. It is for viewing only. If you would like to purchase a copy in English, please contact chris.smith@fespa.com.
Now we are in the age of printing, textile printing becomes popular day by day. Screen printing has been taken large place in textile printing sector. Trying to give a short description on it.
This presentation is brought to you by FESPA thanks to Ad Versteeg of Evident. It is for viewing only. If you would like to purchase a copy in English, please contact chris.smith@fespa.com.
Screen printing is a printing technique whereby a mesh is used to transfer ink onto a substrate, except in areas made impermeable to the ink by a blocking stencil. 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.
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Screen printing is a printing technique where a mesh is used to transfer ink onto a substrate, except in areas made impermeable to the ink by a blocking stencil. A blade or squeegee is moved across the screen to fill the open mesh apertures with ink, and a reverse stroke then causes the screen to touch the substrate momentarily along a line of contact.
Textile printing is the most versatile and important of the methods used for introducing color and design to textile fabrics. We may print as a fabric form or apparel form
Screen printing is a printing technique whereby a mesh is used to transfer ink onto a substrate, except in areas made impermeable to the ink by a blocking stencil. 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.
See more
https://goo.gl/Rkw9rA
https://goo.gl/TTuhMC
https://goo.gl/EJ7x26
Contact us
Email: npcs.ei@gmail.com , info@entrepreneurindia.co
Tel: +91-11-23843955, 23845654, 23845886, 8800733955
Mobile: +91-9811043595
Website : www.entrepreneurindia.co , www.niir.org
Tags
Process technology book on screen printing, Screen Printing Technology book, Aluminum Frames: Screen Printing, Aluminum Screen Printing Frames, best screen printing small business, Business start-up, Great Opportunity for Startup, How does printing work?, how to do screen printing, How To Screen Print -Step by Step process, how to screen print t shirts, How to screen print your own t-shirts, How to Screen Printing on Fabric, How to Start a Screen Print Business, How to start a screen printing business, How to start a successful screen printing business, How to start screen printing Industry in India, How to Start Your Own Screen Printing Business, Is screen printing a good business?, Most Profitable screen printing Business Ideas, New Screen Printing Technology, new small scale ideas in screen printing industry, Printing on unusual surfaces, Printing processes, Printing Surfaces, profitable small and cottage scale industries,project for startups, screen print kit, screen printing Based Small Scale Industries Projects, screen printing business plan, screen printing business profit, screen printing business start up cost, screen printing Business, screen printing frame India, screen printing frame making, screen printing frames, screen printing Industry in India, screen printing materials, Screen Printing Press, screen printing process, screen printing process step by step, screen printing Projects, screen printing technique, Screen Printing Technology, screen printing tutorial, screen printing wood frames, Screens and Screen Printing Frames, Setting up and opening your screen printing Business, Setting up of screen printing Units, Small scale Commercial screen printing, Small Scale screen printing Projects, Small Start-up Business Project, Start Up India, Stand Up India, Starting a screen printing Business, Starting Your Own Screen Printing Business, Start-up Business Plan for screen printing, startup ideas, Startup Project, Startup Project for screen printing, startup project plan, surface printing techniques, The Printing Process - How Offset Printing Works, The Printing Process: Screen Printing, T-shirt Screen Printing
Screen printing is a printing technique where a mesh is used to transfer ink onto a substrate, except in areas made impermeable to the ink by a blocking stencil. A blade or squeegee is moved across the screen to fill the open mesh apertures with ink, and a reverse stroke then causes the screen to touch the substrate momentarily along a line of contact.
Textile printing is the most versatile and important of the methods used for introducing color and design to textile fabrics. We may print as a fabric form or apparel form
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2. Introduction to screen printing
Preparation For Screen Printing
Required Items For Screen
Printing
3. Screen printing is a printing technique
whereby a mesh is used to transfer ink
onto a substrate, except in areas made
impermeable to the ink by a
blocking stencil. A blade or squeegee is
moved across the screen to fill the open
mesh apertures with ink, and a reverse
stroke then causes the screen to touch
the substrate momentarily along a line
of contact. This causes the ink to wet
the substrate and be pulled out of the
mesh apertures as the screen springs
back after the blade has passed.
One color is printed at a time, so several
screens can be used to produce a
multicolored image or design.
Screen Printing
DEFINITION
4. REQUIRED ITEMS FOR SCREEN PRINTING
It refers to the number of the
threads per inch of fabric.
The usual mesh of screen
employed for cotton and silk
printing is 80 threads per inch.
Screen Screen Frames
.There are two types of screen
frames(metal & wood)
Screen frames are usually
26˝×55˝ and 23×55˝ for
printing 45˝ wide cloth.
5. REQUIRED ITEMS FOR SCREEN PRINTING 7
Silk- Multifilament Weave
Nylon- Multifilament or
monofilament
Polyester- Multifilament or
Monofilament
Screen Fabric Types Squeegee
squeegee is moved
across the screen to
fill the open mesh
apertures with ink
6. PREPARATION OF SCREEN 8
Photochemical method is the most
widely used for preparing the
screen.
This based on the principle
that when a coating of a
solution of ammonium
dichromate-gelatin or
ammonium dichromate-
polyvinyl alcohol is dried
and exposed to light,
insolubilisation takes place.
Other method for screen
preparation is lacquer and laser
screen.
8. Hand Screen Printing
Hand Screen Printing is a technique that allows to
print, with greater accuracy, large and bright
images on any type of fabric. It is an ancient
technique, that has envolved over time and is still
one of the most common for textile printing.
Hand Screen printing is made with just a frame,
ink and a stencils. The stencil is the negative of
the image you want to print and is in
waterproofing material.
After mounting the fabric on the frame and
placing the stencil, the ink is spread. The
operation have to be repeated several times if
working with multiple colors. In this case, the
fabric must dry completely between one color
and the next. The technique of Hand Screen
Printing, while being less prone to human error,
requires a high level of competence: the
craftsman who makes the press must be familiar
with the pigments used and the fabric, to be sure
of obtaining a good results.
9. Semi Automatic Flat Screen Printing
The manual process has been semi automated by
mounting the screen in a carriage and driving the
squeegee mechanically across the screen. Long
tables, typically 20-60m long, are used and some
provision is usually made for drying the printed
fabric.
Semi automated flat screen printing is still very
popular where the scale of production is not
large or where capital investment is limited. In
both hand and semi-automatic flat screen
printing the colors are printed one after another
with time for drying, which means that the
situation approaches ‘wet-on-dry’ printing.
10. Rotary Screen Printing
In basic operation, rotary screen and flat screen-
printing machines are very similar. Both use the
same type of in-feed device, glue through,
rotating blanket, dryer and fixation equipment.
The process involves initially feeding fabric onto
the rubber blanket. As the fabric travels under
the rotary screens, the screens turn the white
fabric.
During printing, the paste is pressed through the
surface via openings in order to obtain the
desired design. The cylindrical screens allow
more screens to be arranged per unit length than
is the case with flat screen printing. Speed range
from 30 to 50 m/min. The standard internal
circumference of cylindrical screens is 640 -
640.1 mm. However, other dimensions· are also
possible.
11. Advantages
The inks used are very durable, the colors are extremely vivid, particularly for outdoor
uses, making this a unique reproduction technique.
We can print on a very large variety of materials and objects, and that we can choose
from a plethora of special inks.
This is a very flexible printing technology, with no limitation on the thickness.
13
Advantages of Screen Printing
12. Disadvantages
The major disadvantage in Screen Printing is the amount of time it takes to set up a job.
So preparation times are particularly long, particularly in high quality applications.
This means that, as a method, it is financially impractical for the production of a single
item, particularly for color printing advertising applications.
14
Disadvantages of Screen Printing