Printing Flashcards
What are the 4 printing processes?
Screen printing, offset lithographic printings, flexographic printing, digital printing
What are the 7 features of screen printing?
Small scale, minimal set up costs, durable, wide range of colours, vivid colours, set up is slow, slow printing speed
What are the 5 features of flexographic printing?
Cheap printing, large scale, fast speed, high set up cost, low quality
What are the 5 features of offset lithographic printing
High quality images, large/small scale, high set up cost, fast production of printing plates, can use metallic inks
What are the 5 features of digital printing
Set up cost and print price is low, fast and efficient, highly detailed, suitable for large/small print runs, increased customisation
What are 3 negatives of screen printing?
Set up time slow, print speed slow, only does small print runs
What are the 5 negatives of flexographic printing?
High set up cost, low quality images, inks less bright, set up is time consuming, not suitable for small print suns as it is time consuming to change the print content
What are the 4 negatives of offset lithographic printing
High set up cost, variation in colour due to water content, paper can stretch due to moisture, plates can oxidise die to moisture
What are the 3 negatives of digital printing
More expensive for large quantities, less range of inks, less range of substrate material
How does screen printing work
1)The image is created on a mesh screen by blocking off the areas where ink ins’t required
2) the mesh screen is placed above the substrate and locked in place
3) ink is placed over the screen and forced through with a squeegee.
4) a different screen is required for each colour
What is screen printing used for?
Posters
Display boards
Clothing
How does flexographic printing work
1) flexible printing plates are wrapped around rotating cylinders
2) ink is fed onto the roller
3) this is transferred to the plate cylinder and impression cylinder which applies pressure to transfer the image
What is flexographic printing used for?
Newspapers, comics, packaging, wallpaper, carrier bags
How does offset lithographic printing work
It is based on the principle that oil and water don’t mix. Plates are chemically treated to make the image area absorb oil based inks. Areas that are not image areas are treated to absorb water easily. The water ensures the ink doesn’t bleed into areas that are non image areas
What is offset lithographic printing used for?
Books, magazines, posters, packaging
Is the setup cost for screen printing high or low
Low
Is the setup cost for flexographic printing high or low
High
Is the printing price for flexographic printing high or low
Low
Is the setup cost for offset lithographic graphic printing high or low
High
Is the printing price for offset lifographic printing high low
Low
Is the setup cost and printing price of digital printing high or low
Low
Is the setup speed and print speed for screen printing slow orfast
Slow
Is there set up speed slow or fast for flexographic printing
Slow
Is the print speed for flexographic printing slow or fast
Fast
Is the print speed for offset lithographic printing slow or fast
Fast
Is the setup speed and print speed of digital printing slow or fast
Fast
What print run size does screen printing make
Small
What print run size does flexographic printing make
Large
What print ring size does offset lifographic printing make
Small or large
What print run size does digital printing make
Small or large
How could you describe the ink in screen printing
Vivid
Wide range
Metallic and gloss
How could the inks inflexographic printing be described
Less bright
Limited
How could the ink and offset lithographic graphic printing be described
Metallic and gloss
How can the ink in digital printing be described
Limited
What print quality is screen printing
High
What print quality is flexographic printing
Low
What print quality is offset lithographic printing
High
What print quality is digital printing
High
