Stencil put under fine mesh screen and ink spread over the top, where it goes through stencil and prints onto material.
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Process of Flexography
Uses printing plate made of flexible rubber or plastic. The image stick out a bit from the plate
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Process of Gravure
Uses an etched brass printing plate, the cylinder rotates through an ink pan where the cell pick up ink. The excess ink on non-image area is scraped off cylinder. Transfer of ink from cylinder to surface is aided by electrostatic charges.
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Process of Lithography
Uses oil-based ink and water and works on principle that oil and water don't mix. Ultraviolet light is used to transfer image onto smooth aluminium printing plate, Image area gets coated with chemical that attracts oily ink but repels water.
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Process of Digital Printing
Done using inkjet and laser printers.Toner applied to surface using electrostatic charge. Laser neutralises the charge on drum. Toner only sticks where electric charge is.
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Advantage and Disadvantage of Screen Printing
Advantage: Low cost, Various surfaces Disadvantage: Slow, Decent quality only
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Advantage and Disadvantage of Flexography
Advantage: Quicker than Lithography, Printing Plate last longer Disadvantage: Expensive set up costs
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Advantage and Disadvantage of Gravure
Advantage: Fast Speed, Excellent quality Disadvantage: Expensive to set up
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Advantage and Disadvantage of Lithography
Advantage: Fast, High quality product Disadvantage: Expensive set up cost
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Advantage and Disadvantage of Digital Printing
Advantage: No set up costs Disadvantage: Expensive item cost, Short print runs
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Other cards in this set
Card 2
Front
Process of Flexography
Back
Uses printing plate made of flexible rubber or plastic. The image stick out a bit from the plate
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