The Impact of Ink Viscosity on the Enhancement of Rotogravure Optical Print Quality | ||
| International Design Journal | ||
| Article 6, Volume 7, Issue 1 - Serial Number 24, January 2017, Pages 103-107 PDF (1.14 M) | ||
| Document Type: Original Article | ||
| DOI: 10.12816/0049413 | ||
| Author | ||
| Magdy Ezzat Abdel Kader | ||
| Assistant Professor, Printing, Publishing and Packaging Department, Faculty of Applied Arts, Helwan University | ||
| Abstract | ||
| This purpose of this paper is to examine the impact of ink viscosity on gravure optical print quality. The paper is a case study carried out in a well known gravure printing house in Egypt. The research methodology and the analysis has employed an interpretive approach. The experimental approach has been used, since the aim was to find the correlation between ink viscosity and gravure optical print quality. This paper shows that a small difference in viscosity can produce major variations in density and contrast print quality. also dot sharpness is very much influenced by viscosity. lower viscosity will often show dot gain, causing the image to lose its sharpness and print (dirty). Ink that is run at a high viscosity may also cause inconsistent ink densities on the substrate, causing mottling. As a result, it finds that ink is transferred the substrate that the ink viscosity influence the optical print quality and smoothness of dots. Ink must flow out of the cells to give a smooth and unblemished print surface. As a main conclusion, keeping viscosity regulated helps to maintain print quality to great extent. | ||
| Keywords | ||
| Gravure; ink viscosity; dot gain; density; print quality; mottling | ||
| References | ||
|
1- Kipphan, H. (2001), Handbook of print media, 1st Ed., Springer, pp 68-108, 360-391.
2- Leach, R.H., Pierce, R.J., (1993), The printing ink manual, 5th Ed., Kluwer Academic Publication, pp 473-540, 766-797.
3- Eldred, N. R., (2001), What the printer should know about ink, 3rd Ed., GATF Publication, pp 55-74, 159-174.
4- Gillett, E.K. (2003), Gravure: Process and Technology, Gravure Association of America (GAA) & Gravure Education Foundation (GEF),pp 1-23, 67-96, 235-240, 259-276, 279-336, and 379-417.
5- Adams, J.M., Dolin, P. A.,(2001), Printing technology (Design Concept), 5th Ed., Delmar Thomson Learning, pp 333-349.
6- Breede, M. H.,(1999), Handbook of graphic arts equations, GATF, pp 77-109.
7- Mostafa ,N. M., (2016), Printing Quality Enhancement According to ISO12647-2 (Applying in one of Egyptian printing-houses), International design Journal.
8- Elsayad, S., Morsy, F., El-Sherbiny, S., and Abdou, E. (2002),"Some factors affecting ink transfer in gravure printing", Pigment & Resin Technology, Vol. 31 Issue 4 pp. 234 - 240 | ||
|
Statistics Article View: 569 PDF Download: 1,369 |
||
