Laser Engraving: What Is It and How It Works

Laser engraving is the most popular laser marking technology in product identification and traceability. It involves using a laser marking machine to make permanent markings on different materials. Laser engraving technology is highly accurate.

The process involves using a laser marking machine, to vaporize specific areas on almost any material. Consequently, it forms permanent markings with higher contrast than the unmarked regions on the part or product. The process is suitable for marking logos, barcodes, serial numbers, and QR codes on parts. Alongside laser etching, annealing, ablation, and other laser marking technologies, the process forms a set of highly reliable processes in traceability, identification, and product decoration.

Its Advantages

Speedy production process

It is a fast process, depending on the material, design, and laser power. As a result of its speed, the process is important in rapid manufacturing.    

Wide range of materials

It is compatible with many materials such as metals, wood, and plastics, unlike marking systems such as dot peening and chemical etching. 

Precision

Laser markers have high precision and accuracy capable of engraving at +/- .01″, As a result of the precision, it is applicable in the jewelry, medical, and electronic industry.

Durability of Marks

Laser engraved marks have a high contrast which aids visibility and is permanent. Therefore, they are durable in different environmental conditions, whether abrasion, heat, or chemicals. This is unlike the marking process, such as inkjet marking, where the chemical responsible for the markings can wash off in unconducive environments.

Eco-friendly Production Process

It does not require consumables such as chemicals that can pollute the environment, like inkjet marking. Also, unlike dot peening machines, they do not produce any noise. Therefore, the process is eco-friendly, clean, and energy-efficient.