September 26, 2022

Latable du Moulin

Think Marvelous Computer

Metal is marked with a laser

3 min read
Considerations when Marking Metal with a Laser - moizii

Should metals be marked?

All materials are laser marked

The laser marking of metal is a contactless process that does not require additional pre-marking or post-marking procedures.

The best results come from laser marking metal, where it is easier to achieve a variety of results. The process of laser engraving and marking provides clean, precise results. 

Metal laser engraving is the most effective industrial engraving technology available.

Metal is not damaged by лазерный маркер по металлу, and the marks resulting from lasers are resistant to acid and corrosive chemicals. In addition, laser marking machines help streamline production.

Lasers based on fibres and MOPA

Marking metal with fibre lasers is the most effective laser technology. You can laser mark metal and alloys with them, micro-machine them, and cut them with them. Additionally, they can be used to engrave painted metal or surface-treated metals, such as anodized aluminium. In addition to the standard version, fibre lasers can be used in the MOPA (variable pulse) version. Laser engraving systems like MOPA’s have the advantage of being able to laser mark plastic and metal with ease.

MOPA lasers can mark steel and anodized aluminium with colored and black markings, respectively.

In addition, laser engraving edges have fewer burns because laser marking is less susceptible to corrosion.

Plastic is marked with high-contrast lasers using MOPA lasers. Using controlled pulse duration, laser marking is uniform and burn-free.

Automobile, hydraulics, home appliance, and medical industries demand quality, production, aesthetics, and safety from MOPA lasers.

On natural aluminium or die-castings, however, classic fibre lasers can still produce high-quality marks.

Their versatility and high-quality results make them a great choice.

Announcing​

An annealed surface is one that has been oxidized by the laser marking and is heated locally.

As a result of annealing, the metal’s surface remains uniform. Unlike laser marking, which involves only heating, annealing does not involve material removal.

The oxidized layer usually appears black, but the temperature at which it is heated can produce different colors.

A depth of color of 20-30 m is typical.

Marking surfaces with lasers

Markings made with a surface laser are only a few millimeters deep. Lasers mark materials by melting them at the surface, changing their roughness. There is less energy converged onto the laser beam compared to laser engraving.

In addition to being faster, laser markers do not require any deep penetration.

The engraving is deep and detailed

As opposed to laser marking, which leaves grooves, laser engraving leaves permanent marks by evaporating the material in a few milliseconds.

Laser engraving also lasts longer than traditional engraving. In addition, sandblasting for die-castings should be performed when the marked component is subject to additional processing.

IRON

A Linx coder can provide a durable and accurate code even under extreme manufacturing conditions. They can be used for coding in any industry. These machines are resistant to dust and moisture thanks to robust designs and IP ratings.

Coding, marking, and printing on metal

A variety of message settings and right-angled printheads allow printing/coding in any orientation. The details of product identification are coded on metal surfaces using special adhesive inks. Applications for these indelible codes can be found in automotive industries for components requiring traceability. In order to identify returnable containers internally, special inks are used for temporary codes.

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