hand book of screen printing with processes and technology

HAND BOOK OF SCREEN PRINTING WITH PROCESSES AND TECHNOLOGY

SCREEN PRINTING

The screen printing Press
Types of Fabrics
Construction of Fabrics
Mesh Count, Mesh Strength and Mesh Opening
Stretching the screen fabric
How to Build A Screen Process Press?
Step-1 Assemble Needed Materials
Bill of Materials
Step-2Construct the Frame
Step-3 Attach the screen fabric
Step-4  Tape and seal the screen
Step-5 Prepare the Base
Step-6 Hinge the frame
Step-7 Add a Frame Support
Print Dry Equipment
Constructing Speciality Equipment

SCREEN PRINTING ON PAPER  TEXTILES AND OTHER PRINTING SUBSTRATES

Type of Paper
Textiles
Principal of Screen Process Printing Common Types of Paper
Color of Stock
Type of Fabric
Common Type of Fabrics
Printing on T-shirts
Plastics
Types of Plastics
Metals
Woods
Ceramics

SCREEN PROCESS STENCILS

Hand Cut Paper Stencils
Step-1 Image the Paper
Step-2 Cut the Stencil
Step-3 Adhere the Stencil
Hand cut film stencils
To prepare a Film Stencil
Step-1 Prepare for cutting
Step-2 Cut the Stencil
Step-3 Adhere the Stencil
Step-4 Remove the Backing sheet
Photographic Stencils
To Prepare an Indirect Photographic  stencil
Step-1 Prepare for Exposure
Step-2 Load the Frame
Step-3 Expose the Stencil
Step-4 Develop the Stencil
Step-5 Wash out the Stencil
Step-6 Adhere the stencil
To Prepare a Direct Photographic  Stencil
Step-1 Mix the Emulsion
Step-2 Coat the Screen
Step-3 Expose the Screen
Step-4 Process the Stencil
To Prepare a Direct/Indirect Photographic Stencil
Step-1 Sensitize the Coating Solution
Step-2 Adhere the Film to the Fabric
Step-3 Expose  the Stencil
Step-4 Wash out the Stencil
Direct Photographic Emulsions Exposure Times in Minutes
Direct/Indirect Photographic Stencils Exposure Times in Minutes

SCREEN PRINTING  AUTOMATIC PRESS

The Printing Forme Makes it Possible
The Screen Printing Features and Their Singularity

CHOOSING  A PRINTING PROCESS

Letter Press Advantage
Limitations
Lithogrraphy Advantages
Limitation
Photo Gravure Advantage
Lamitation
Screen Printing Advantage
Limitation
Collo Type Advantage
Limitation
Flexo Graphic Advantages
Limitation
What Process to Use

SCREEN PRINTING INKS

Poster Ink
Enamel Ink
Gloss Enamel
Synthetic Gloss Enamels
Halftone Enamels
Lacquer Ink
Industrial Lacquer Ink
Decal Lacquers
Printing on Plastic
Acrylic Lacquer Inks
Vinyl Inks
Epoxy Resin Inks
Resist Inks
Alkali Removable Resist Inks
Solvent Removable Resist Ink
Vinyl Plating Resist Inks
Planting Resist Ink
Textile Ink
Standard Textile Inks
Plastisol Inks
Dye Inks

SCREEN PRINTING ACCESSORIES


Accessories
Frame
Construction of frame
Screen
Types of Screen Cloth or Fabrics
Stretching the Fabric
Blocking or Sealing
Base Board
Squeegee G-Clamps Drying, Rack
G-Clamps
Drying Racks

STENCILS

Paper Stencil
Block out stencil
Tusche Glue Stencil
Shellac Stencil
Photographic Stencil
Pigment Paper Stencil
Sensitising Bath
Precautionary Measures
Setting the  Stencil onto the Screen
Presensitised film Stencils
Precautionary Measures
Sensitising the Screen
Coating the Screen
Important Notes

CHEMICALS USED AND FORMULATIONS

Ammonium Dichromate or Bichromate
Drier
Gelatin
Glue
Hydrogen Peroxide
Poly Vinyl Alcohol
Potassium Dichromate
Reducer
Turpentine Oil
Hydroquinone
Sodium Sulphite
Sodium Carbonate
Potassium Bromide
Glycerin
Hydroquinone Carbonate Developer
Emulsion Coating
Sensitising Solutions
Formulation-1
Formulation-2
Solutions used for Hardening  of the Exposed Design
Formulation-1
Formulation-2

COMMON FAULTS IN SCREEN PRINTING

Ink Troubles
Troubles in Case of Screen Making


PRINTING UNIT

How to start Actual Printing
Multi Colour Printing
Precautions to be Taken During Printing
Cleaning the screen

AUTOMATIC SCREEN PRINTING MACHINE

SCREEN PRINTING ON DIFFERENT  SURFACES

Paper and Card
Glass Surface
Plastics
Tin Plates
Jute Bags and Cloth Banners

INKS FOR SCREEN PRINTING

Nature of Ink
Manufacturing of Screen Printing Inks
Important
The Important Aspects Considered
Classification of screen process Inks
Formulations of Screen Printing Inks

ADHESIVES

Celluloid Adhesives
Profilm
Shellac Knife Cut Paper Stencil
Duplex Decal (Lacquer Coated Knife-Cut) Stencil
Duplex Decal (Glue-Coat Knife-Cut) Stencil
Lacquer Film Transfer Stencil
Blocked Out Stencils (Hand Filled Lacquer Glue)
Key-Line Stencil Process
Wash out Screen (Glue) stencils
Polyvinyl Alchohol Photo Process
Numeral Stencil (For Right and Left Printing)
Numeral Stencil (Interchangeble)
Materials on Which Screen Printing can be done

SCREEN PRINTING ON GLASS

Types of Photographic Stencils
Halftone Screen and colour separation
Dry Method
Wet Method
Moire Pattern
Textile Printing
Process Colours
Colour Mediums and Vehicles

COLOUR COMBINATION

Here are colour combinations for Popular Colours
Legibility from Distance (In Order)
Ancillaries for UV Curing
Project Cost & Viability

SILK SCREEN PHOTO STENCIL PREPARATION

Caustic Hydroquinone Developer
Hydroquinone Carbonate Developer
Preparation of Positive
Positive Making by chemical Reversal
Halftone Reproduction by Silk Screen
Preparation of Photostencils in Gelatin
Ten C den Rules for Reconditioned Machines
Thou Shalt Buy Only from Reputable Source
Thou Shalt Plan for Thy Needs, Present and Future
Thou shalt see a Machine running Whenever Possible
Thou shalt not buy equipment too Big for your shop
Thou shalt check  Electrical Compatibility
Thou shalt Ask for details on Reconditioning
Thou shalt be sure parts and service are readily Available
Thou Shalt Cover Delivery, Installation and  Operator Training
Thou Shalt Determine Trade Back Options and Allowances
Thou shalt have A Warranty in writing

PLANT ECONOMICS OF SCREEN PRINTING ON COTTON, POLYESTER & ACRYLIC

Plant & Machinery
Fixed Capital
Raw Materials
Total Working Capital/Month
Total Capital Investment
Turn Over/Annum


PLANT ECONOMICS OF HEAT TRANSFER  LABEL BY SCREEN PRINTING PROCESS

Plant & Machinery
Fixed Capital
Raw Materials
Total Working Capital/Month
Total Capital Investment
Turn Over/Annum


PLANT ECONOMICS OF CLOTH PRINTING

Plant & Machinery
Fixed Capital
Raw Materials
Total Working Capital/Month
Total Capital Investment
Turn Over/Annum


PLANT ECONOMICS OF SCREEN PRINTING

Plant & Machinery
Fixed Capital
Raw Materials
Total Working Capital/Month
Total Capital Investment
Turn Over/Annum


PLANT ECONOMICS OF SCREEN PRINTING INKS

Plant & Machinery
Fixed Capital
Raw Materials
Total Working Capital/Month
Total Capital Investment
Turn Over/Annum


PLANT ECONOMICS OF SCREEN PRINTING ON PAPER/CARDS

Plant & Machinery
Fixed Capital
Raw Materials
Total Working Capital/Month
Total Capital Investment
Turn Over/Annum


PLANT ECONOMICS OF SCREEN PRINTING ON COTTON CLOTH

Plant & Machinery
Fixed Capital
Raw Materials
Total Working Capital/Month
Total Capital Investment
Turn Over/Annum


SUPPLIER OF PLANT & MACHINERY


SUPPLIERS OF RAW MATERIALS

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