Web viewing systems for high-resolution images on a variety of printing machines

Modern printing machines enable higher printing speeds, higher throughput and higher efficiency. From a printing speed of 30 to 50 m/min the print quality can be judged visually only in a limited manner. The use of systems such as the proven ELSCAN is indispensable.

Function

With the print image monitoring system, the print image at a synchronized specific position on the web pattern repeat is recorded with a camera and displayed on a screen. Over the last 10 – 15 years, web monitoring systems have increasingly replaced electrical or mechanical stroboscopic systems.

 

Areas of use

Print image monitoring systems are used on printing presses with roll-to-roll production.

 

Application

The print image monitoring system can be mounted for webs with a horizontal direction of travel (above the web) and with a vertical direction of web travel. Here, the web must be fed with a constant web tension and with a constant web position.

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Function

E+L web monitoring systems use two cameras with fixed focal lengths ("dualView"). The zoom or wide-angle lens is activated depending on the zoom level. During zooming, the system switches imperceptibly between the cameras. It is thus possible to display the printed images at multiple resolution. This unique, patented "dualView" concept allows lag-free zooming up to the highest resolution. Sophisticated image processing, combined with two 12-megapixel cameras allows representation of printed images with greatest detail and color fidelity.

 

Area of use

E+L web monitoring systems are used mainly in the following production plants: Offset printing press; Flexo printing press; Gravure printing press

 

Application

The web monitoring is used for vertical and horizontal web runs. For a horizontal web run, it is better to position the camera above the web, in order to prevent soiling. A flat web position between to guide rollers is ideal. 

Key

Contact us!

+49 (0)821/2435-0

We are pleased
to help you!

Contact