4P creates standard for laser-engraved cylinders

Comprehensive know-how in press implementation is an expertise of 4P Epitome hell Heliograph

4Packaging, a pioneer in light amplification by stimulated emission of radiation engraving and an expert in press technology implementation, has succeeded in harmonizing the printing characteristics of classically engraved and light amplification by stimulated emission of radiation-engraved cylinders and thus standardizing laser engraving. In future, the printer will exist able to run individual cylinders from the colour prepare or a complete color gear up with light amplification by stimulated emission of radiation-engraved cylinders without additional fingerprinting.

As a pioneer in laser-engraving 4P is equipped with 3 Cellaxy Photo: hell Helioscope

Light amplification by stimulated emission of radiation-engraved rotogravure cylinders impress with precipitous-edged text. The smoother ink-layer leads to a high-quality ink application, and half-tones are reproduced with greater nuance and contrast. These are all reasons why laser-engraved cylinders are increasingly in demand for high-quality packaging. 4Packaging has now developed a process that greatly simplifies the conversion to laser-engraved cylinders for the printer.

Unique is the automated premium preparation of laser-engraved cylinders Photo hell Helioscope

4P has been producing laser-engraved gravure cylinders for 15 years and is thus a pioneer in laser engraving. The premium preparation of laser-engraved cylinders used at 4P deserves special mention. The fully automated line is unique in this mode and creates the prerequisite for perfect reproducibility.

Identical LAB values for laser & classically engraved cylinders

The many years of feel in the use of laser-engraved cylinders as well as the comprehensive know-how in press engineering implementation at present enable 4P to friction match the printing characteristics of classically engraved and laser-engraved cylinders and thus standardise light amplification by stimulated emission of radiation engraving. The previously required additional fingerprint for laser-engraved cylinders is no longer necessary!

The proof of success was recently provided for several packaging jobs. Previously, these jobs were based on classically engraved cylinders. Now 4P supplied one ready each of laser-engraved half-tone and linework cylinders. The standard ink formulations for classically engraved cylinders were used for printing. The event showed identical LAB and density values for all tonal values.

In the run-upwardly, 4P had adapted the laser engraving to the classic engraving in terms of printing engineering. For this purpose, a client-independent adaptation was developed for each screen and screen angle. The customer-specific print accommodation was only carried out during laser engraving past means of the usual helio-gradation, which is also used identically in classic engraving.

Thanks to the newly developed standardisation, the printer can now employ the advantages of laser engraving more hands, equally the same fingerprint is used as for classically engraved cylinders. The standard ink formulation remains unchanged. The printer can now run private cylinders from the color ready or the complete set of light amplification by stimulated emission of radiation-engraved cylinders.

From the helioscope Newsletter issue 04 – 21

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Source: https://packagingsouthasia.com/technology/4p-creates-standard/

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