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Offset printing platon press
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04/12/2023Prepared By MD ALI HOSSAIN
Welcome To
Platon & Offset Printing Presses
Presented By
MD.ALI HOSSAINJr.Instrutor, Govt.Graphic Arts Institute
Email: [email protected]
Fb mail: [email protected]
04/12/2023Prepared By MD ALI HOSSAIN
Platon Press
04/12/2023Prepared By MD ALI HOSSAIN
Offset Presses
Fig: Feeding System.
04/12/2023Prepared By MD ALI HOSSAIN
Offset Presses
Fig: Feeding System.
04/12/2023Prepared By MD ALI HOSSAIN
Offset Presses
Fig: Feeding System.
04/12/2023Prepared By MD ALI HOSSAIN
Offset Presses
Fig: Feeding System.
04/12/2023Prepared By MD ALI HOSSAIN
Offset Presses
Fig: Registration system
04/12/2023Prepared By MD ALI HOSSAIN
WEB VS. SHEET
Web Fed Press: Printing press that prints from a roll of paper
Sheet Fed Press: Printing Press that prints from cut sheets of paper
Web Fed
Sheet Fed
04/12/2023Prepared By MD ALI HOSSAIN
PERFECTING PRESS
Perfecting Press – Prints on both sides of the paper with one pass.
04/12/2023Prepared By MD ALI HOSSAIN
WEB VS. SHEET
Web Fed Press: Printing press that prints from a roll of paper
Sheet Fed Press: Printing Press that prints from cut sheets of paper
Web Fed
Sheet Fed
04/12/2023Prepared By MD ALI HOSSAIN
Printing Technology Web offset printing
In the web offset printing, difference is made between newspaper printing machines and commercial web offset machines.
Characteristics of the web offset printing:
High printing speed up to 900 m/min
Grammages of 45 - 200 g/m² usual
High runs
04/12/2023Prepared By MD ALI HOSSAIN
Printing technology Web offset printing
Drying oven
Hot airInlet temperature > 200°C Web temperature approx. 120°CThe length of the oven is very important
04/12/2023Prepared By MD ALI HOSSAIN
Printing technology Web offset printing
Paper web in one unit
Plate cylinder
Blanket cylinder
Plate cylinder
Blanket cylinder
Paper web
Colour absorption
Water absorption
Moisture resistance pH5
No deformation
Resistant against cracking of the colour
04/12/2023Prepared By MD ALI HOSSAIN
Printing technology Web offset printing
Center cut
04/12/2023Prepared By MD ALI HOSSAIN
Printing technology Web offset printing
Paper on the turner bars
04/12/2023Prepared By MD ALI HOSSAIN
Printing technology Web offset printing
Fold softening
04/12/2023Prepared By MD ALI HOSSAIN
Printing technology Web offset printing
Paper on the former fold
04/12/2023Prepared By MD ALI HOSSAIN
Printing technology Web offset printing
Stacker
04/12/2023Prepared By MD ALI HOSSAIN
Printing technology Web offset printing
Cylinder folder
04/12/2023Prepared By MD ALI HOSSAIN
CPC Control Offset Press.
Fig : Heidelberg SM 74-5
04/12/2023Prepared By MD ALI HOSSAIN
Ink Control System……..
04/12/2023Prepared By MD ALI HOSSAIN
Dampening Control System……..
04/12/2023Prepared By MD ALI HOSSAIN
Resistration Control System……..
04/12/2023Prepared By MD ALI HOSSAIN
Thank You
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