Laser Marking(PTTC) of SLT

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Marking with Light“-Laser Markers for the IndustryFor PTTC0928/00 SK

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Contents: Application Technology Machine Concepts Economic Efficiency

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Application

Modern ProductionComputer Integrated Manufacturing (CIM) Total Quality Management Just-in-time Production Small Lot Sizes Product Liability Plagiarism Protection Environmental Audits

Laser MarkingSUPERIOR LASER

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Application

Marking of Plastics IKeyboard - non-abrasive inscription with high contrast

Labels - host computer controlled just in time marking

Identification Card - identification with imageSUPERIOR LASER

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Application

Marking of Plastics IICattle Ear Clip - flexible marking with high productivity

Housing - with machine readable barcode

Wiper Blade - weatherproof marking on hardly accessible surfaceSUPERIOR LASER

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Application

Marking of MetalsCalliper - scaling with high precision

Telephone - marking without additional work

Engine Block - deep engraving without tool wear at high temperature resistanceSUPERIOR LASER

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Application Annealing Some metals Change of colour under O2 and heat Penetration approx. 5 m Line width 80 - 150 m Recast< 1 m

Engraving Metals, plastics, ceramics Contrast (shadow) through groove Penetration up to 150 m Line width 80 - 120 m Recast along groove

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Application Colouring Plastics Foaming, bleaching and carbonisation Penetration up to 200 m Line width> 100 m bleaching/ carbonisation

Removal Coated materials, (e.g. labels) Vaporisation Penetration up to 100 m Line width 80 - 150 m

foaming

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Technology Lasers for MarkingLaser Laser Medium: Medium: Wavelength: Wavelength: Power: Power: Optical Fibre: Optical Fibre: Cost: Cost: Materials: Materials: Nd:YAG Nd:YAG crystal crystal 1064 nm 1064 nm 3 -130 W 3 -130 W yes yes medium medium almost all almost all materials materials CO2 CO2 gas gas 10600 nm 10600 nm 10 - 50 W 10 - 50 W no no low low organic materials organic materials glass glass

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Technology

Principle of Laser Marking

Deflection Unit with Focusing Lens

Laser: Power: Marking speed: Remark:

Nd:YAG (pulsed) 3 W-130 W 500 characters/second Superior flexibility

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Machine Concept

Maximised Productivity with Double Head Systems Increased Flexibility through Optical Fibre DeliverySUPERIOR LASER

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Customer-specific handling I

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Customer-specific handling II

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Economic Efficiency

Requirements of Laser MarkingSufficiently high degree of utilisation Sufficiently high degree of utilisation Small to medium number of workpieces Small to medium number of workpieces Use of black and white copies Use of black and white copies Training of employees Training of employees Marking time depends on the amount of text Marking time depends on the amount of text Provision of energy supply and cooling Provision of energy supply

and cooling Use of suitable materials Use of suitable materials metal (steel, aluminium, copper, brass, etc.) metal (steel, aluminium, copper, brass, etc.) plastics and foils plastics and foils glass glass ceramics ceramics email email cardboard cardboard

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Summary

Benefits of Laser MarkingQuality Quality High optical resolution and precision High optical resolution and precision Durability Durability Total flexibility in the choice of font types and forms Total flexibility in the choice of font types and forms No mechanical and thermal stress on the workpiece No mechanical and thermal stress on the workpiece Marking of uneven and hardly accessible surfaces Marking of uneven and hardly accessible surfaces Profitability Profitability High speed of processing without subsequent treatment High speed of processing without subsequent treatment No manufacturing, change and wear of tools No manufacturing, change and wear of tools Integration in existing manufacturing systems Integration in existing manufacturing systems Well-tried and reliable technique Well-tried and reliable technique High reproducibility High reproducibility Environment Friendly Environment Friendly Without chemicals Without chemicals

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Laser Principle

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