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Troubleshooting Common Screen Printing Issues: Blurred Print Edges

Mastering screen printing doesn’t mean turning out perfect screen prints every time. It does mean knowing what to do when prints don’t turn out quite the way you want them to. One common problem to troubleshoot is an uneven ink edge. When something is off in your screen printing process, the edges of your ink might be blurred or wavy, or show the squared segments of your screen mesh. There are several elements to examine when your prints aren’t coming out with crisp, clear edges.

Screen Tension

A screen tension meter can be a very valuable tool to ensure your print quality stays sharp. For optimal screen printing, your screen tension should be measuring between 25 and 35 N/cm². Screens loosen over time due to the constant pressure of the squeegee. When screen tension becomes too low, the mesh can shift during printing, causing the edges of the print to blur. You can avoid this problem by checking your screens before every screen printing job with your tension meter. Screens whose tension has decreased beyond the desired range should be retensioned or replaced.

For more information on screen printing problems associated with poor screen tension, check out this blog: What Causes Poor Screen Tension and Why You Need to Avoid It...

Full article you can find on Anatol company blog here and here.
The Polish version of this article was published in January 2019 issue of "Świat DRUKU" (The World of Printing).

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