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Anodised aluminium is a material well suited to laser engraving with both a fiber laser or a CO2 laser. Depending on the colour of the layer, this results in a good contrast and a nice, bright engraving. In addition to laser engraving, laser marking aluminium is also possible.
Laser engraving and laser marking aluminium: Suitable materials
- Anodised aluminium
- Natural anodised aluminium
- Anodised layers in all colours
Depending on the requirements and application, laser engraving or laser marking aluminium is possible.
See an overview of possible laser applications of anodised aluminium
Laser engraving and marking of machine tags, promotional products and signs
Examples
Application examples for laser marking and laser engraving aluminium
Typical applications
Typical applications for the laser marking of anodised aluminium are high-quality smartphones, promotional items such as e.g. ballpoint pens, USB sticks, but also industrial applications such as data plates or casings in many other industries.
Industries:
- Promotional items and gifts industry
- Mechanical engineering
- Electronics industry (smartphones, tablets, etc.)
- Tool manufacturing
- Sheet metal processing (casings)
Why use a laser machine for marking and engraving: Anodised aluminium
Fast, flexible and variable marking of anodised aluminium
With the laser you can quickly mark anodised aluminium. Depending on the batch size or number of units, you can find the ideal laser system for your requirements from a flatbed laser engraving machine to an industrial Galvo laser. The laser is also very flexible in marking all types of marking content: Thus you can easily and efficiently engrave markings such as serial numbers, data matrix codes or other variable content. Not only can you engrave anodised aluminium (removal of the anodised layer) - you can also produce black markings on the anodised layer. Natural anodised aluminium, in particular, can be marked in all different shades of grey to a rich black. With the laser, you have countless options for marking anodised aluminium.
Function and advantages of laser technology
Black marking of anodised aluminium
- High-quality, qualitative markings that increase the value of your products.
- No removal of the anodised layer and therefore no damage to the surface.
Advantages of a Trotec laser machines
- Galvo marking lasers for laser marking metal.
Cost-efficient production
- Direct marking means no costs for consumables such as inks, chemicals, pastes or sprays.
- The handling and the often expensive disposal of these materials is also avoided.
- No pre or post treatment of materials required
Advantages of a Trotec laser machines
- SpeedMarker with a maintenance-free fiber laser as a laser work station or it can also be integrated into a production line
- The robust mechanics of Trotec laser systems are designed for years of intensive use with minimal servicing
Flexible, dynamic data can be marked with ease
- Different laser markings with dynamic content are possible without refitting or changing tools
Advantages of a Trotec laser machine
- The intelligent and intuitive laser marking software SpeedMark, which can easily process data from existing ERP systems and all dynamic contents in codes
Permanent results when laser marking aluminium
- In contrast to other technologies, laser marking aluminium produces permanent abrasion, heat and acid resistant markings
- Particularly important for traceability and quality assurance
Advantages of a Trotec laser machine
- Product portfolio with matching fiber laser systems for all requirements
- Flatbed systems with a working surface up to 1016 x 610 mm
- Galvo work stations and marking lasers with working surfaces up to 1300 x 450 mm
- OEM Galvo fiber laser for integration into production lines
- Special systems according to customer requirements
Perfect marking results - fine tooling
- Precise and very small geometries can be marked with high accuracy
- Marking processes can be combined
Advantages of a Trotec laser machine
- High-quality optics and best beam quality thanks to high-quality components
- Camera-based component positioning for maximum precision and ease of use
Diverse design possibilities
- Practically any design can be realised when laser engraving aluminium
- Even 1-point fonts and the smallest geometries are still clearly legible
- Full freedom when designing and marking, logos, designs, bar codes or serial numbers
- Even photos can be applied in the shortest possible time
Advantages of a Trotec laser machine
- Software DirectMark or JobControl for laser marking directly from the graphics program - as easy as printing
Laser marking aluminium takes seconds for more throughput
- Very fast laser marking is possible, even when marking variable contents such as serial numbers and codes.
- Different markings possible without refitting or tool change
Advantages of a Trotec laser machine
- Intelligent and intuitive marking software for easy operation
- Fast and precise positioning of components using a camera system: SpeedMark Vision – Smart Adjust
- Integration of contents from ERP data files is possible.
Product recommendations
Laser marking aluminum in black
Anodized aluminum can be easily laser marked with MOPA lasers. It can produce a variety of gray tones all the way to a rich black. The special thing about it is that the short pulse durations don't damage the surface of the material, or just barely. The anodized layer is not removed, but repainted. Although the process is completely different from the production of annealing colors on stainless steel, the results are comparable.
Especially with natural anodized aluminum, you can create very nice markings. But anodized aluminum in other dark colors can be lasered as black. In combination with conventional engraving (or removal) of the anodized layer, there are many possibilities for marking products made of this material.
