Tuesday, 27 September 2011

27/9 Lorenzo's lecture notes

Commercial print processes are;


Practical, technical, economical.

Main processes;

  • Rotary printing
  • Digital printing
  • Screen printing
  • Pad printing
Rotary printing

Image printing plates are wrapped around a cylinder. Its a automated print process.

The bigger version of rotary printing is a WEB offset machine, mainly used for mass printing I.E newspapers. 

Rotogravure- Typical print jobs- Newspapers, wooden floors, high volume work thats very durable.

Flexography- A positive, mirror image transposed on a rubber plate, where sticky ink is directly transfered onto print surface, usually as a roll feed. usually used for crisp packets, bottle labels, cling films etc.

Lithography (Litho) Planographic
Rotogravure (Gravure) Intaglio
Flexography (Flexo) Relif

Digital printing- The reproduction of images by translating the digital code direct from a computer to a material without an intermediate physical process.

Ideally suited to short run or special ranges of print.

Screen Print- A printmaking technique that uses a stencil and screen exposed by UV light.

Pad Printing- A printing process that can transfer a 2-D image onto a 3-D object. i.e keyrings, mugs.

Colour systems for the print process 

Print is made up of subtractive colour-screen is made up of additive colour









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