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Printing Technology Polytechnic TRB

Polytechnic TRB Printing Technology

UNIT 1

Design – Basic concept – creativity, Steps in creativity, typography, Graphic Design  consideration, Symbols and logos, Layout – purpose & advantages, layout styles, layout  components, stages in preparing a layout, marking-up, Dummy. Designing for  Newspapers, Booklets, Magazines, Business publications, Banners & Posters,  Advertising, Transit, Interactive, Web and in Maps.  

UNIT 2: PRE PRESS

Conventional Pre Press — Word Processing and Typesetting — Procedure, manuscript  — Type of inputs, Font — Types, Text output – film / plate, Image setters, Planning layout  — Information, type of work, Preparing the layout, Imposition schemes, Book work —  Margin calculations, Methods, positive and negative assembly, step and repeat.  Digital Pre Press – Image Acquisition — Digital Camera — Principles, mechanisms, types,  resolution, memory, Scanner Types — Flatbed and Drum, screening frequency, DOT  structure AM and FM screening, Comparison, resolution, storage, file formats —  Workflow — Automated workflow — components, File Preparation, Colour  Management, Preflighting, Digital Imposition — preRIP, postRlP, OPI, Trapping,  Postscript, PDF, CIP4 — JDF, JMF — RIP (Raster Image Processing), resolution —  Input, output, Image setters and plate setters — Types, Digital proofing — Need, Proofing  technologies — Inkjet, Dye sublimation, Thermal Wax, Electro photography. Inks, Dyes,  Toners, Quality and relative merits.  

UNIT 3: IMAGE PREPARATION

Conventional Methods: Plate Chemistry and Processing. Positive, Negative plates –  Base materials & properties — Aluminium, Stainless steel, Copper, Chromium,  Nickel, Poly masters and paper masters, Graining — types, Contact angle and  wettability, Anodisation — Process, Plate chemistry — Light source — Types —  advantages, disadvantages – Desensitizing process, gum, developing inks, lacquers  and asphaltum, Quality Control Aids., Digital — Computer to Plate — Imaging for  lithography: Computer to plate (CTP) and Computer to press systems, their  architecture, workflow, equipments used, type of plate used — silver halide, thermal  fuse, photopolymer plates and their structures and technique of imaging — laser, UV,  thermal imaging. Computer to Polyester Plate (CTPP) and technique of imaging, quality  control devices.  

Imaging for gravure Process: electromechanical engraving of gravure cylinders,  equipments used, engraving with single and multiple head engravers, digital  workflow. Laser cutting of gravure cylinders, type of plastic material used for the  laser cutting cylinder, system architecture and workflow, quality Control.

Imaging of  flexography: Laser engraved design rolls for continuous patters, plate types — Rubber  and Polymer and production of design rolls, laser engraving techniques. Cushion Core  photopolymer plates, developments in special construction photopolymer plates,  equipment used, and quality aspects. Imaging for screen printing: Imaging on  cylindrical screens, laser engraving of rotary screens, equipment and process used,  imaging technique, materials of cylindrical screens and quality aspects.  

UNIT 4: PRESS

Offset Printing: Principles of Offset, Sheet-fed — Feeding and Control, Printing Unit  Configuration — Design Concept and Cylinder Configuration, Printing Blankets,  Rollers and Fountain Solution, Printing and Inline Operations, Web-fed Printing 

Presses: Types, Press Classification and Infeed Units, Printing Unit – Design  Configuration and Types, Inking and Dampening Systems, Drying, Chilling, Folding  and Sheeting Units and Mail Room Operation.

Flexographic Printing: Mounting and  Proofing procedure, Press types — stack, CI, inline, narrow web, wide web, Variations  of press — coating, lamination, corrugated postprinting, environment & safety  aspects, web tension – control, guiding and viewing unit.

Gravure and Screen  Printing: Doctor blade — types, positioning, impression rollers — types and important,  inking, dryer systems – types, in-feed, out-feed and converting operations. Screen  Printing — Screen fabrics, frames, and squeegees — types, screen printing machine  — types, maintenance.

Digital Presses: computer to press, types, advantages and  applications, Green Printing.  

UNIT 5: POST PRESS AND CONVERTING OPERATIONS

Production Flow in Print Finishing, Folding — Types of Fold for Sheet and Web,  Methods of Feeding and Delivery, Cutting Machine — Parts, Types of Cutting  Machine, Knife, Mechanism and maintenance of Guillotines, Gathering and  Securing: Principles of Gathering and Types of Machines, Securing, Stitching  and Sewing — Types, Miscellaneous Operations — Edge Treatment, Case making, Embossing Foil Stamping, Dye Cutting, Indexing, Lamination Types, Shrink  Wrapping, Automation in Finishing Operations.  

UNIT 6: PRINTING MATERIALS

Paper and Board — Raw materials and pulping, kinds of cellulose Fibres, Pulping  Methods, Bleaching Techniques, Stock Preparation, Paper and Board Manufacturing,  Paper making machines, different sections and its functions, paper coatings —  methods of coatings, Calendaring — Types, Board Manufacturing, Paper and Paper  Board classifications, paper requirement for different printing processes, Paper and  Board Properties and Paper related problems in printing. Printing Inks — Raw  Materials — Colorants, oils, Binder — Types, their importance in printing ink  formulations, Varnishes — Types, Additives — Properties and Applications, Printing  Inks for different process, Ink Manufacturing, Ink Testing and Measurements.  Specialty Inks — Water Based Inks, Radiation Curable inks, Inkjet Inks, Security  Inks and Ink drying mechanism, ink related problems and remedies.  

UNIT 7: PACKAGE MATERIALS AND TECHNOLOGY

Packaging Materials — Wood, Textile, and Paper & board — Types and Properties and  applications, Specialty Papers, corrugated boards – Types, Specification and  applications. Plastics — Plastic in packaging, types and advantages, Flexible and  Rigid Packaging, materials used — properties and applications. Recycling, Biobased  Packaging Materials, Glass and Metals — Types, Properties and Uses, Metals — Tin,  Aluminum and Steel, Properties and Uses, Foils and metallization Methods. Nano  composites and its applications in packaging, Label — Types, Additives used,  Closures and Sealing, Cushioning materials, Lacquers and Special Additives,  Materials testing — Mechanical, Optical and Chemical Test for packaging materials.  Packaging Technology — Need, functions, types and selection of package, shelf life,  package design — types, CAD applications in packaging, folding carton manufacturing,  machineries, applications, collapsible tubes — manufacturing and applications,  specialty packaging, package performance testing  

UNIT 8: ADVERTISING, SCHEDULING AND COST ESTIMATION

 Advertising — Introduction, Advertising planning, Media, Production and Co-ordination.  Scheduling — Concept of scheduling and its important, Sequencing, Inventory  Management, Materials and Capacity requirement planning and network models in 

connection with printing industry. Cost Estimation — Basic concept of costing, Pricing,  Estimation and Investment analysis — Cost estimation for printing materials and for  different printing process in respect to various print jobs.  

UNIT 9: PUBLISHING

Newspaper and periodical publishing — operations of newspaper and magazine  companies, organizational structure, management functions, editorial process,  production workflows and legal issues. Book Publishing — Areas of publishing, editorial  process, production management, distribution methods and legal aspects involved  in book publishing. e-publishing – Internet, eBook, eJournals, eNewspaper,  internet advertising, digital libraries, eReaders — e-lnk, e-paper, Crossmedia  publishing, Advantages, Issues. Web publishing — Layout & Design, Accessibility,  usability, standards, publishing on handheld devices — Layout & Design, reference  database — PUBMED etc. Index — author, volume, keyword. Workflow, Softwares &  Tools and Emerging Trends.  

UNIT 10: QUALITY CONTROL IN PRINTING

Definition of Quality, its purpose. Setting up a quality control programme and  establishing necessary procedures, economic consideration. Management  responsibility. Quality Systems and ISO 9000, Statistical Quality Control, Materials,  process control, ISO standards for process — ISO 12647-1,2 &3, Implementation and  Guidelines, Quality Control Devices, Quality control aids – offset, flexo and gravure,  print problems and remedies. 

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