Causes of Missing Dots in Rotogravure Printing

Causes of Missing Dots in Rotogravure Printing Martorana, Emanuele ; Ziegler, Heinz ; a Campo, Frank W. ; Jühe, Hans-Helmut Papier , Bedruckbarkeit , Tiefdruck , Druckfehler , Rauigkeit , Topographie Missing Dots , Krater , SC-Papier , Glätte , ESA Missing Dots , Printability , rotogravure , topography , roughness This work has shown that the number of local defects (craters) beyond certain limit values correlates very well with the number of missing dots, and therefore the surface topography of the paper has definitely the greatest impact on printability in rotogravure. The deepenings have an average depth of 2-5 µm and diameters between 50-250 µm. When ESA is used bigger craters as regards depth and diameter are necessary to cause missing dots. However, not all missing dots can be explained and described by means of surface topography. Non-topographic factors, such as electric properties of papers (especially when using the ESA), fibre and filler distribution, ink absorbency or microscopic compressibility can also have an influence on printability as regards missing dots. Paper independent factors (e.g. printing ink or printing machine) may also have a certain influence on missing dots. 2006 InProceedings englisch urn:nbn:de:bvb:m347-opus-153

Causes of Missing Dots in Rotogravure Printing

Martorana, Emanuele ; Ziegler, Heinz ; a Campo, Frank W. ; Jühe, Hans-Helmut

Papier , Bedruckbarkeit , Tiefdruck , Druckfehler , Rauigkeit , Topographie

Missing Dots , Krater , SC-Papier , Glätte , ESA

Missing Dots , Printability , rotogravure , topography , roughness

This work has shown that the number of local defects (craters) beyond certain limit values correlates very well with the number of missing dots, and therefore the surface topography of the paper has definitely the greatest impact on printability in rotogravure. The deepenings have an average depth of 2-5 µm and diameters between 50-250 µm. When ESA is used bigger craters as regards depth and diameter are necessary to cause missing dots. However, not all missing dots can be explained and described by means of surface topography. Non-topographic factors, such as electric properties of papers (especially when using the ESA), fibre and filler distribution, ink absorbency or microscopic compressibility can also have an influence on printability as regards missing dots. Paper independent factors (e.g. printing ink or printing machine) may also have a certain influence on missing dots.

2006

InProceedings

englisch

urn:nbn:de:bvb:m347-opus-153


Causes of Missing Dots in Rotogravure Printing Martorana, Emanuele ; Ziegler, Heinz ; a Campo, Frank W. ; Jühe, Hans-Helmut Papier , Bedruckbarkeit , Tiefdruck , Druckfehler , Rauigkeit , Topographie Missing Dots , Krater , SC-Papier , Glätte , ESA Missing Dots , Printability , rotogravure , topography , roughness This work has shown that the number of local defects (craters) beyond certain limit values correlates very well with the number of missing dots, and therefore the surface topography of the paper has definitely the greatest impact on printability in rotogravure. The deepenings have an average depth of 2-5 µm and diameters between 50-250 µm. When ESA is used bigger craters as regards depth and diameter are necessary to cause missing dots. However, not all missing dots can be explained and described by means of surface topography. Non-topographic factors, such as electric properties of papers (especially when using the ESA), fibre and filler distribution, ink absorbency or microscopic compressibility can also have an influence on printability as regards missing dots. Paper independent factors (e.g. printing ink or printing machine) may also have a certain influence on missing dots. 2006 InProceedings englisch urn:nbn:de:bvb:m347-opus-153