Development of new laser for customization at industrial...
Transcript of Development of new laser for customization at industrial...
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UV-Marking
Development of new laser for customization at industrial level through high quality
marking on different materials
Coordinated by B/S/H
EU-Funded Project. Ref_314630
A collaboration between: B/S/H ROFIN SINAR LASER GMBH WIRTHWEIN AG MERCK KGAA ILVA GLASS SPA TORRECID ICMA U-MARQ LIMITED
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General Information
Title: UV-Marking. Development of new laser for customization at industrial level through high quality marking on different materials
Funded under: FP7_2012_NMP_ICT_FoF (Factories of the Future)_Cooperation
Project reference: 314630
Total cost: 6.10 million euro
EU contribution: 3,65 million euro
Start date: 2012-07-01
Duration: 36 months
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Contact details
www.uv-marking.eu
Project Leader: Mr. Andrés Escartín
Mail [email protected]
Phone +34 (976) 57 80 00
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Introduction to the project
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Objectives
Developing a new laser in the UV range
Adapting existing materials for having a better beam absorption
Integrating the laser in the industrial process
Developing a user application for demonstrating the unitary customization with real customers
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IR
UV PP
Project Background
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Laser:
Frequency of pulses, velocity, fluence (energy/area), number of runs, distance lens-
sample, time of pulse, wavelength…
Interaction laser/matter depends on:
Absorption at the laser wavelength, composition, internal microstructure,
mechanical properties, thermal properties, fillers…
CaCu3Ti4O12
Metal
Project Background
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■ Interaction between light and matter depends on the wavelength
■ Important laser parameters − Pulse duration − Pulse energy − Velocity − Beam quality
■ Material absorption determines the degree of interaction
Project Background
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Ultraviolet Laser (UV)
Photo chemical ablation
Photo chemical activation*
Engraving and ablation
Mainly for glass, ceramics, plastics
High resolution and contrast
Aesthetic and colored markings possible
Fast processing
Photo mechanical ablation
Engraving and ablation
Mainly for ceramic materials or coated materials
High resolution and contrast
Aesthetic markings possible
Phototermal ablation
Melting, burning and vaporization
Engraving
Tempering
Coloring and foaming
Most materials (metals, plastics, glass, ceramics…)
Bad resolution and bad contrast
Broad field of application
Green Laser (GN) Infrared Laser (IR)
Effect
Materials
Main fields of application
Features
Project Background
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Engraving and ablation – For engraving, the laser beam removes the material.
– Ablation is the partial removal of coating layers from the base material.
– Application for most materials (metals, plastics, ceramics…)
Annealing – Oxidation. Black colors
– Annealed markings can be generated by using the laser beam to heat the work piece to a certain temperature where the marking should appear. This creates oxide layers on the surface whose composition determines the colored appearance.
– For ferrous metals and titanium
Coloring and foaming. Chemical reaction – Foaming. White marks
– Carbonization. Black marks
– Photochemical reaction. Any color
– For plastics only
Project Background
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An electro-magnetic wave is generated by a laser-active medium (Neodym, CO2, ..)
The amplified beam is deflected to the marking area.
The size of the marking area depends on the distance between the lens and the marking surface (the larger the focal distance, the bigger the marking area).
Irradiance is very important
f
= 3
00
f =
25
4 f
= 1
60
180 x 180
240 x 240
120 x 120
Project Background
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Comparison of a topographic profile of a transverse cut of samples UV and green, represented with the same scale. It appreciates that the hurt in the material is very much minor, and surface presents a more homogeneous appearance
Project Background
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•Engraving decoration by ablation at the surface
•Advantages
•Stable marking process •Cold engraving
•Durable marks
•No mechanical damage
•Very high precision (10 microns)
•Digital Marking •Flexibility
•Customization
•Time to market
•Inline product differentiation
•Design improvement •30 microns minimum width
•Up to 300 dots per cm
•Unlimited grey tones in one sample
•Any shape can be marked
UV Green
Project Background
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Customization
User Web
New software
Production line
Restrictions
-Flatness -Location -Focal distance
nternet pp istri utors
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The project aims to an industrial application in the factory
Delivery time
Flexibility
Shorter launching time
Higher integration and automation
Environmental friendliness
Energy efficiency
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The consortium
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Working plan
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Work plan structure
BSH
BSH
BSH U-Marq Rofin
Wirthwein
Merck
Rofin
ICMA
ILVA
Torrecid
Rofin
ICMA
BSH Rofin
All
U-Marq Rofin
REQUIREMENTS
LASER
CERAMIC / GLASS
PLASTICS
INTEGRATION
VALIDATION
MATERIAL ADAPTATION
PIGMENT DEVELOPMENT
WPLeader
MA
NA
GEM
ENT
DISSEM
INA
TION
AN
D
EXP
LOITA
TION
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WP descriptions and targets
• WP1: Management • WP2: Requirements • WP3: Laser development • WP4: Aesthetic UV marking on ceramic and glass • WP5: Aesthetic UV marking on plastic • WP6: Integration and industrialization • WP7: Validation of final application • WP8: Dissemination and exploitation
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Thank you for your attention