LASER MARKING
Engraving marking
The illustration on the right shows the basic
principle
of laser engraving marking.
Precise laser engraving marking by slightly
depressed marking on the workpieces is
possible with AC LASER Software and laser
machining
systems from ACSYS.
Marking by removal of material:
The thermal energy of the laser is used to melt and evaporate material selectively, resulting in slightly depressed marking. Practically no heat is absorbed by the workpiece. By choosing suitable laser parameters, light marking (for example on burnished or anodised surfaces) or dark marking rich in contrast can be achieved.
Compared to annealing marking, engraving marking is not sensitive to subsequent heating and can only be made unrecognisable by extensive grinding.
Paint removal:
Marking is produced by removing a cover layer (e.g. eloxal, paint, chrome layer). The colour contrast is produced by "free laser processing" of the basic material. This process is used in the area of day and night design, for example, and in the production of all types of tags. Typical materials for this application are anodised aluminium, burnished steel or painted plastics.
Plastic engraving:
The thermal energy of the laser is used to melt and evaporate material selectively, resulting in slightly depressed marking. Practically no heat is absorbed by the workpiece.
Foil marking:
Use of laser-optimised foil makes it possible to mark texts, sequential serial numbers and barcodes that are rich in contrast in just a few seconds.
It is also possible to produce product labels which can be cut out by laser in a later part of the work process.
PIRANHA Foil handling
Movie: Foil handling
White marking:
In white marking, the surface is slightly melted to produce small craters which then reflect light diffusely, similarly to a sand-blasted surface. Only a tiny amount of material is removed. The amount removed during white marking is considerably less than 1 µm. In principle, white marking is a special type or an extreme form of engraving marking. Engraving marking is generally a dark discolouration of the engraving base. With white marking, the object is to achieve a light surface. This process is often used on shafts of carbide tools.
Typical applications for this process are shafts of carbide tools.
The solutions from ACSYS diversify to dimension, material and weight of your application:
S - The OYSTER. Laser table system for small series and easy marking.
M - The PIRANHA. Maximum Flexibility. For ambitious laser marking and engraving.
L - The BARRACUDA. Flexible and versatile. Generously dimensioned for palletized workpieces.
The INLINER. Specially designed for integration into individual workstations and automated systems.
