Ghost images in flexo printing

The appearance of ghost images in printing is a brain teaser for many flexographic press operators. Can you recognize the different types of ghosting? Do you know the reason of the most common ghosting defects? Take a look at this video to know more. Are you interested in customized training in flexography? Contact [...]

2021-10-01T19:03:23+00:00Tags: , , |Comments Off on Ghost images in flexo printing

Scoring lines on anilox rolls

What is one of the worst problems that can happen in the flexo pressroom? One anilox roll damaged by scoring lines means stopping a production or accepting a print defect. Why do these scoring lines occur on the anilox surface? What happens in printing? What can we do to prevent this problem? I gathered [...]

2021-06-17T09:12:41+00:00Tags: , , |Comments Off on Scoring lines on anilox rolls

Oh no… Streaks again!

Have you ever experienced any problems like streaks, gearmarks, banding, bouncing and the like? In this short video I try to explain some of the most common causes at the origin of these defects in flexographic printing. Are you interested in customized training in flexography? Contact me! Don't miss flexo•expert news: subscribe to [...]

2021-05-17T11:06:43+00:00Tags: , , |Comments Off on Oh no… Streaks again!

10 things to avoid in flexography to prevent from troubles

Have you ever experienced any troubles when printing in flexo? Here is a list of things you should avoid when approaching flexography in order to prevent from troubles in production. Don't miss the next videos: click here to subscribe to flexo•expert channel on YouTube! Interested in customized training in flexography? [...]

Register tolerance: what is the correct value?

The register between colors is a fundamental aspect for the quality of the printed product. But what is the correct register tolerance and how to evaluate it? ISO 12647-6 connects the register tolerance to the print linescreen. The higher the linescreen, the greater the expected accuracy on the printed product. According to this norm, register [...]

2020-03-31T10:30:03+00:00Tags: , |4 Comments

Be careful with micro-screening on flexo plate surface

Surface texturing of flexographic plates is nowadays widely used to improve the ink laydown when using latest flat-top platemaking technologies. The settings for such surface micro screening are carefully evaluated during the optimization phase of system calibration and they shall not be changed for that printing condition. Using wrong settings will cause not only the [...]

2020-04-22T09:23:41+00:00Tags: , |Comments Off on Be careful with micro-screening on flexo plate surface

3 simple steps to good quality

Here is a print condition audit that initially revealed an insufficient quality level, scoring below 30%, and ended with a final score of 83% with satisfaction of both printer and final customer. The printer invested in 3 days of process calibration activities over 3 weeks time with the limitation of using the existing press setup [...]

2019-12-10T19:35:20+00:00Tags: |Comments Off on 3 simple steps to good quality
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