Commercial print are:
- practical
- technical
- economical
Types of print:
- Rotary
- Digital
- Screen
Rotary:
printing plate wrapped around cylinder
- offset
- rotogravure
- flexography
Offset Lithography
- Not directly printed
- 'Web offset' - high speed, run on rolls not sheets, folding built in
Roto
- Copper plates
- Transfer directly to print surface
- Durable
- Good for longer print runs
- High volume print runs - eg. laminate flooring, bank notes, the times newspaper
Flexo
- Positive, mirror image
- Rubber polymer plate
- Cylinder transfers 'sticky' ink directly to print surface
- eg. food packaging
- In relief on plate
Digital
- Translate digital code direct from computer
- Suited for short run or specials
- Paper to metal material
Screen
- woven mesh support an ink block
Pad
- Transfer a 2-D image onto a 3-D object
Colour Processors & Applications
Subjective colour - CMYK
- More colours you lay on top the darker the colour
Additive colour - RGB
- More colours you lay on top the lighter the colour
Tip:
- Whats on screen prints darker
- Select appropriate colour model
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