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ROTOGRAVURE PRINTING - heimann-hamm.de

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pre-press<br />

Galvanic | Color management | Engraving | Cylin<strong>de</strong>r correction | Measuring <strong>de</strong>vices<br />

3d-volume measurinG system<br />

µ-surf-moBile<br />

Or<strong>de</strong>r No.: C01-8057<br />

engraved cells etched cells laser engraving in<br />

copper<br />

laser engraving<br />

(single shot)<br />

In the printing industry the examination of the surface quality of<br />

rotogravure cylin<strong>de</strong>rs or anilox rollers is <strong>de</strong>cisive for the consisting<br />

quality of the printing products. Inspection by means of the 3D-Volume<br />

measuring system µ-surf allows fast and precise surface structure<br />

characterization on the shop floor<br />

This newly <strong>de</strong>veloped mobile measuring system was specially <strong>de</strong>signed<br />

for the surface inspection of large component parts, such as rotogravure<br />

cylin<strong>de</strong>rs. Due to its compact <strong>de</strong>sign with bend optics it is largely<br />

resistant to vibrations and achieves a high precision. The motorized<br />

38<br />

laser engraving<br />

(Masterscreen)<br />

line engraving Anilox embossed cylin<strong>de</strong>r Intaglio plate<br />

x, y-table operates over a positioning of 50 x 50 mm. By means of<br />

the computer-based distance tracking, it is possible to use combined<br />

measurements series (stitching) along the curved surfaces (e.g. along the<br />

circumference of the roll). In addition to roughness evaluation, mo<strong>de</strong>rn<br />

surface analyses can be carried out to <strong>de</strong>termine the 3D properties (e.g.<br />

the volume). In the printing industry, for example the mobile measuring<br />

system is used for quality control of chrome rollers and for volume<br />

measuring of cells on laser structured (metal or ceramic), engraved and<br />

etched rotogravure cylin<strong>de</strong>rs. The following measuring values can be<br />

<strong>de</strong>termined: length, width, <strong>de</strong>pth, area, screen and volume. The mobile

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