dramatic advance in quality in flexographic printing

Clicks: 307
ID: 172681
2004
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Abstract
The enormous changes in flexography printing in recent years concerning the printing quality achievable cannot generally be ascribed to a single revolutionary invention, but are the result of continuous developments to the complete system. Thus the direct drive technology in all machine types and its associated advantages in terms of printing length corrections has become established since drupa 2000. The race for ever finer raster rolls has also been completed to the benefit of improvements in bowl geometry and in ceramic surfaces. Clearly improved colour transfer behaviour has become feasible as a result. In a closely intermeshed system such as flexography printing this naturally has to have an effect on the printing colours used. Further improvements in bonding agents and pigment concentrations now allow users to print ever thinner colour layers while maintaining all of the required authenticities.
Furthermore, it has become possible to reduce additional disturbing characteristics in the UV colour area, such as the unpleasant odour. While the digital imaging of printing plates has primarily been improved in terms of economic efficiency by the use of up to eight parallel laser beams, extreme improvements in the system are noticeable especially in the area of directly engraved printing moulds. Whereas many still dismissed directly engraved polymer plates at the last drupa as a laboratory system, the first installation was recently placed on the market a mere three years later. A further noteworthy innovation of recent years that has reached market maturity is thin sleeve technology, which combines the advantages of a photopolymer plate with a round imaged printing mould. There are no high sleeve costs for each printing mould, except for one-off cost for an adapter sleeve. To conclude, it can be said that although flexography printing has experienced many new features in the time between drupa 2000 and today, it still has enormous potential for further development.
Reference Key
richter2004actadramatic Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Jochen Richter
Journal entropy
Year 2004
DOI
DOI not found
URL
http://www.actagraphica.hr/index.php/actagraphica/article/view/64
Keywords
digital imaging design illustration sleeve technologydrawing

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