Via printing: sheet vs. webline printing

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By Steve Baker | Aug 09, 2016
Via printing with webline

In a previous blog, we learned that vias are pathways connecting both sides of the polyester substrate creating a two-sided circuit. Today, we will discuss the difference between sheet printing and webline printing through the process of vias printing.

During the sheet printing process, after each sheet has been printed, the press table needs to be hand-wiped to ensure the ink will not smear and ruin the printed circuit. In webline printing, the machine has a wiper mechanism, automating the process. Using webline printing increases production speeds and creates a more streamlined printing process.

Beneath the print bed lies a roll of wiper material. When unrolled, the wiper material moves up to the top of the print bed. The print head puts down the ink and as the substrate advances along, the wiper material moves simultaneously, preventing the ink from smearing. Then printed parts move through a thermal tunnel drier to cure the ink.

GM Nameplate has extensive printing capabilities, including offset, flexo, screen and sheet fed screen printing. We also offer multi-color sheet fed screen printing, roll-to-roll, and digital printing. GMN’s wide range of printing capabilities allows us to find the right printing solution for each application.    

To learn more about vias and their use in two sided circuits, check out this blog post.  

Below are images of the webline press in action.

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