Zecher works with Heidelberg to provide optimised end-customer solutions

SteppedHex engraving delivers optimised finishings and spot-varnishing performance.

Ever since its founding in 1948, Zecher GmbH, manufacturer of anilox rollers, has been the driving force behind numerous innovations. These include its SteppedHex technology, developed in-house and thoroughly tried and tested.

Zecher’s innovative SteppedHex engraving.

Based on an application of the parameters of 60° engraving, it offers both an alternative to it and additional benefits. SteppedHex engraving assists the printer’s task with improved emptying of the anilox roller cells to deliver optimised printing results. This is proven by a series of successful SteppedHex-based projects carried out by Zecher together with their customers.

Cooperation-based search for the best customer solution for gold lettering

One such project, starting in early 2016, was a joint endeavour involving printing machine manufacturer Heidelberger, with a mission to provide an end-customer with the best possible solution to print gold lettering. Jörg Rohde, Zecher’s Head of Application Technology, explains how the manufacturer of anilox rollers delivered its support services: «Our cooperation with the specialists from Heidelberger Druckmaschinen included the provision by us of a corresponding technical-application analysis for the downstream varnishing/flexo printing works in relation to the print quality to be achieved». To ensure an ideal outcome, Zecher also carried out test prints, likewise in collaboration with Heidelberger, at the Print Media Center (PMC) in Wiesloch-Walldorf (Germany), using a Speedmaster XL 106 double coating machine.

Jörg Rohde, Zecher’s Head of Application Technology.

With the requirements of the end-customer in mind, Jörg Rohde recommended the use of innovative SteppedHex technology: «Up until now the engraving specifications used for printing gold lettering have been relatively coarse. These include conventional, hexagonal 60° engraving and the open line screen. Appose to this, the SteppedHex technology convinces with its special staggered structure and increased screen ruling without loss of volume».

Initial test-prints carried out at Heidelberger’s PMC demonstrated these benefits in terms of excellent positioning accuracy and, at the same time, outstanding positive and negative detail rendering. The use of 240 L/cm SteppedHex engraving amply fulfilled the end-customer’s expectations.

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