Cellaxy - laser engraving into copper

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Page 20. Rasterizer. Mac based workstation. Artwork Systems Rip-technology. HELL gravure screening know-how. Page 21. Workflow. Sceenshot Heliodisk ...
- laser engraving into copper Jan Breiholdt ERA Packaging Conference 2006 Osnabrück

Direct engraving into copper High resolution engraving

Laser High Power Laser for copper (kW) Wave length: 1064 nm High resolution: 2540 dpi Intensity is controlled by image signal

Gravure screening Variability of cell opening and depths Half cells Screen 20 - 200 l/cm, 50 - 500 lpi

Exposing principle Same principle as offset image setter Cells are created by multiple exposing lines Additional: Variable cell depth

Principle: 2D Offset-screening Digital data

Laser

Optics Drum

Plate

Principle: 3D-Screening Laserdot

Gravurecell

3D-Rip

Laser

Modulator

Interpretation

Rendering

Screening

Gravure screens Conventional

Autotypical

Variable cell depth

Variable cell opening

Halfautotypical

Variable cell depth and opening

Adaption to different printing conditions.

Tool to generate gravure screens 100%

50%

0%

Variable in cell depth 100%

50%

0%

Variable in cell opening 100%

50%

0%

4Packaging

Full service provider Founded in 2000 New premises in 2005 27 employees 15.000 cyl p.a. capacity

- Mr. Gisbert Lumme -

- Mr. Jürgen Möller -

4Packaging

4 x K500 Cellaxy AutoCon INLINE cylinder storage

Most modern cylinder manufacturing!

Betatest: Application at 4Packaging today

100% linework engraving Cigarette jobs Supplement for K500s Resolution: 2540 dpi Engraving performance today: > 0,6 m2/h

Next steps: Mixed operation High resolution engraving

Normal engraving

Text Image Text + Image

Workflow

Rasterizer

Mac based workstation Artwork Systems Rip-technology HELL gravure screening know-how

Workflow

Sceenshot Heliodisk

Basic machine incl. electronics and laser

Exhaustion & Filter

7m

Cooling

- Compressed air - Power

Based on innovation

Summary

Sharp edges require half cells

Voila!

Gravure screens Conventional

Autotypical

Variable cell depth

Variable cell opening

Halfautotypical

Variable cell depth and opening

Adaption to different printing conditions.

Today

100% linework engraving Cigarette jobs Resolution: 2540 dpi Engraving performance: > 0,6 m2/h

Next

Text and Image Mixed operation Complement for K500 Resolution: 2540 dpi Performance: > 0,6 m2/h

HELL Gravure Systems

Based on innovation!