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An investigation into plate deformation in flexographic printing

David Bould, Tim Claypole Orcid Logo, Mark Bohan

Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Volume: 218, Issue: 11, Pages: 1499 - 1511

Swansea University Authors: David Bould, Tim Claypole Orcid Logo, Mark Bohan

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DOI (Published version): 10.1243/0954405042418428

Abstract

Deformation of the flexographic printing plate is an important factor in determining the quality of the printed image. A numerical model of the individual dots has been developed and used to examine the deformation of the plate under a range of printing conditions and image characteristics. Two mech...

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Published in: Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
ISSN: 0954-4054 2041-2975
Published: SAGE Publications 2004
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URI: https://cronfa.swan.ac.uk/Record/cronfa1815
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spelling 2020-10-08T15:54:15.2078959 v2 1815 2011-10-01 An investigation into plate deformation in flexographic printing ae8a5fe8552b8e4187d08060677b2e89 David Bould David Bould true false 7735385522f1e68a8775b4f709e91d55 0000-0003-1393-9634 Tim Claypole Tim Claypole true false 2a5365dd455bed5fba6891653bd58a4b Mark Bohan Mark Bohan true false 2011-10-01 MTLS Deformation of the flexographic printing plate is an important factor in determining the quality of the printed image. A numerical model of the individual dots has been developed and used to examine the deformation of the plate under a range of printing conditions and image characteristics. Two mechanisms have been identified for the deformation of the image on the plate: expansion of the dot surface and dot barrelling. These results have been combined with those from an experimental study to apportion the dot gain due to ink spreading and physical deformation of the dot.The results have shown the low-coverage dots at high line rulings to be particularly affected by the effect of variation in the impression pressure. This has significant implications for the ability of the process to reproduce high-resolution images that combine both highlight and shadow regions successfully and consistently. Ink spreading has been identified as the major cause of dot gain, except at low coverages, where the deformation of the dots makes a significant contribution. Journal Article Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 218 11 1499 1511 SAGE Publications 0954-4054 2041-2975 1 11 2004 2004-11-01 10.1243/0954405042418428 http://dx.doi.org/10.1243/0954405042418428 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2020-10-08T15:54:15.2078959 2011-10-01T00:00:00.0000000 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering David Bould 1 Tim Claypole 0000-0003-1393-9634 2 Mark Bohan 3
title An investigation into plate deformation in flexographic printing
spellingShingle An investigation into plate deformation in flexographic printing
David Bould
Tim Claypole
Mark Bohan
title_short An investigation into plate deformation in flexographic printing
title_full An investigation into plate deformation in flexographic printing
title_fullStr An investigation into plate deformation in flexographic printing
title_full_unstemmed An investigation into plate deformation in flexographic printing
title_sort An investigation into plate deformation in flexographic printing
author_id_str_mv ae8a5fe8552b8e4187d08060677b2e89
7735385522f1e68a8775b4f709e91d55
2a5365dd455bed5fba6891653bd58a4b
author_id_fullname_str_mv ae8a5fe8552b8e4187d08060677b2e89_***_David Bould
7735385522f1e68a8775b4f709e91d55_***_Tim Claypole
2a5365dd455bed5fba6891653bd58a4b_***_Mark Bohan
author David Bould
Tim Claypole
Mark Bohan
author2 David Bould
Tim Claypole
Mark Bohan
format Journal article
container_title Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
container_volume 218
container_issue 11
container_start_page 1499
publishDate 2004
institution Swansea University
issn 0954-4054
2041-2975
doi_str_mv 10.1243/0954405042418428
publisher SAGE Publications
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
url http://dx.doi.org/10.1243/0954405042418428
document_store_str 0
active_str 0
description Deformation of the flexographic printing plate is an important factor in determining the quality of the printed image. A numerical model of the individual dots has been developed and used to examine the deformation of the plate under a range of printing conditions and image characteristics. Two mechanisms have been identified for the deformation of the image on the plate: expansion of the dot surface and dot barrelling. These results have been combined with those from an experimental study to apportion the dot gain due to ink spreading and physical deformation of the dot.The results have shown the low-coverage dots at high line rulings to be particularly affected by the effect of variation in the impression pressure. This has significant implications for the ability of the process to reproduce high-resolution images that combine both highlight and shadow regions successfully and consistently. Ink spreading has been identified as the major cause of dot gain, except at low coverages, where the deformation of the dots makes a significant contribution.
published_date 2004-11-01T03:04:43Z
_version_ 1763749588565491712
score 11.013148

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