Laser Engraving
Laser engraving is process of removing material to leave a more or less deep track, which will reveal a impression of the design. Laser engraving is permanent marking system, extremely flexible to identify parts and components. Laser marking systems increasingly replacing other more expensive and less efficient marking systems such as pad printing, hot stamping and screen printing.
Material can be removed by laser in three ways. The first, the most conventional, consists of focusing a sufficiently powerful laser beam on a size comparable to the diameter of a hair. This high power density leads to highly localised heating of the material, then its vaporisation. With the vaporisation being able to occur in less than a microsecond, only pulsed lasers are used for this process as they enable the high power required for vaporisation to be reached in a very short time but with a low average power. By sweeping the beam with a scanner according to a predefined pattern, the material will be removed according to a text, image or any other form drawn in a CAD software package.
- Achieve traceability in a flexible way
- Highly efficient marking systems
- Process allows personalization and customization
- Combination of speed, permanence, and computer imaging
- Permanent identification without impacting the material characteristics or surface finish
- Permanent mark
- Highly accurate and repeatable. The laser beam placement is highly repeatable, within +/- 0,001″
- High density
- Non-contact process (does not alter or damage materials)
- Well-defined images, even at small sizes. Even 0,020″ high characters are possible
- Laser causes either a thermal-chemical or photo-chemical reaction direct with the material; typically does not need pre- or post- processing
- Environmentally friendly
- Indelible or scratch-resistant marks
- Can mark recessed areas easily
- After marking, the product can be packaged for shipment
- Precise placement of images even on irregular or curved surfaces
- Ultimate in flexibility – any style code – 2D matrix, bar codes, text, graphics, photos