The Direct Laser Engraving Technology (DLE)

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Edited By: Ir. Sugeng Endarsiwi, ST., IPM., ASEAN Eng., ACPE.

The direct laser engraving is one of the modern digital ways to get the digital image on the printing sleeve or print roller. With the direct laser gravure is the multi-phase production of photopolymer plates substituted by laser engraving or lasering the surface. After this follows the washing of the sleeve/roller by water spray and a short drying process. 



Direct laser engraving plates and sleeves are produced in a two-step process. First, the non-printing areas are removed with a high-power laser imaging system. 

A short, water-and-soap-based cleaning detergent wash-and-dry cycle follows, which is a lot less involved than the post-processing stages for direct laser imaging or conventional flexo plate making using photopolymer plates. 

Additionally, photopolymer washing stages can often involve solvents harmful to workers and the environment; laser engraving eliminates this. 

As sustainability becomes more important to printers and brands, it’s essential to know that, from an ecological point of view, there are no issues to be concerned of with volatile organic compounds (VOC). The production of direct laser engraving printing forms is completely free of solvent. Following that, the printing form is ready to go on press.

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