Know how Videos
Production of a gravure cylinder and an embossing roller
This film guides you through the whole production process of a rotogravure cylinder and an embossing roller. Besides the preperation of the steelbase according to the following engraving process, the film illustrates three different ways of engraving: electro-mechanical engraving, direct laser engraving and etching. For the production of the embossing roller a embossing unit is used.
Further Videos
Copper Plating
The steel base is coated with copper by means of electro-plating. The copper layer is either the material to be engraved, etched or embossed, or the basis for further coatings.
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Direct Laser Engraving
The excellent quality of the direct laser is evident by the contour sharpness, the high resolution image reproduction and perfect half tones (vignettes). Line and text elements are characterised by optimal acuity and perfect solid tones.
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Etching
The etching technology is known as the first illustration technique for rotary rotogravure printing. This conventional technology is characterized by its very high engraving resolution which makes it ideal for security printing for example.
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Embossing
The embossing technology is highly appreciated for its wide range of applications in print finishing. This proven high quality and extensive value adding character makes this embossing feature almost a must for today’s demanding packaging.
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Surface Finishing
The prefinal step within the production workflow for all rotogravure cylinders is the chrome-plating. Comparable to copper and zinc the chrome layer is again build up by an electro-plating process. The chrome layer protects the copper and engraving from tarnishing and wear.
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Electro-mechanical Engraving
With its reliable and high quality results, electro-mechanical engraving belongs to the well established engraving techniques in the market. Driven by electro-mechanical pulses the diamond stylus engraves the so-called cells into the copper surface. All engraved cells reproduce the full packaging motif to be printed later on.
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Packaging Simulation
We simulate the later packaging with great fidelity to detail and in realistic colours with Mock-Ups. We also represent tactile impressions such as embossing and surface structures through the use of genuine materials, as found in the later original. Mock-Ups are invaluable during packaging development, for marketing decisions, but also for advertisements or TV campaigns. Furthermore, they are used as commercial models in sales.
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