Offset printing technology | Offset lithography

Offset printing technology is preferred method for printing materials providing lower per-unit costs with the quality for larger print runs.

troubleshooting

Dot Distortion — One talks of slurring whenever the geometry of the halftone dot changes. The printed image then appears to be displaced. The round halftone dot assumes an oval form. Two kinds of slurring exist – on the one hand, in the direction of printing (circumferential slurring), and on the other hand, […]

Slurring

03/10/2011 in troubleshooting tagged Dot Distortion / offset inks / offset printing / offset printing inks / slurring / troubleshooting by vlad682000

emulsifion — Emulsion is a mixture of ink and dampening solution. In this process, dampening solution is distributed evenly throughout the ink in small droplets. The proportion of water in a “stabile emulsion” is around 20 %. If higher, then the ink’s splitting properties are reduced, and the ink flow is interrupted. […]

Emulsification

03/10/2011 in troubleshooting tagged Emulsification / offset inks / offset printing / troubleshooting by vlad682000

chalking — If the ink dries too slowly in the stack, one can speak of a lag in drying time. This may lead to an ink rub-off of the print during print finishing or during transport. The interaction between ink, additives, and dampening solution is usually to blame for lags in drying […]

Lags in Drying Time

03/10/2011 in troubleshooting tagged Lags in drying time / offset inks / offset printing / offset printing inks / troubleshooting by vlad682000