How does a laser welding machine work?

One of the industrial tools commonly used in mass production is the laser welder. How does this advanced device work and in which branches of industry is it used? Simply put, laser welding consists in melting and joining materials using a concentrated laser beam, which allows precise and fast creation of welds. This technology is used, among others, in the automotive industry. In today’s article, we take a closer look at the operation and application of laser welders – enjoy the reading.

Laser welder – how does it work?

A laser welder is an advanced industrial tool that uses a concentrated laser light beam to join materials. This process consists in focusing high-power light on a small area, which leads to the immediate melting of the material at the point where the joint is made. The laser emits light of a specific wavelength, which is precisely directed onto the welded surface using specialist optics. This process requires precise setting of the device’s operating parameters, such as laser power, welding speed and pulse length, which allows accurate control over the course of welding.

What are the advantages of laser welders?

Laser welders have many advantages that make them preferred tools in many branches of industry. The most important of them are:

• precision – laser welders make it possible to maintain high accuracy when joining materials,
• no risk of surface deformation – in the laser welding process, there are no internal stresses or thermal distortions,
• speed – laser welders work at high speed, which allows a significant increase in production efficiency,
• versatility – the technology makes it possible to join various materials, including alloy steels, aluminium and titanium,
• automation and repeatability – the laser welding process is easy to automate and makes it possible to maintain process repeatability, which is particularly important in mass production.

It is also worth emphasizing that laser welders are characterised by a small heat-affected zone and no need to use additional materials.

Applications of laser welders

The laser welder has a wide range of applications – the device is commonly used in many branches of industry.

• In the automotive industry, the device is used, among others, for welding car bodies, exhaust systems and other elements that require high precision and weld strength.
• Laser welders are used for the production of surgical tools, implants and other medical devices, where high precision and cleanliness of the process are required.
• In the aviation and aerospace industry, laser welders are used, among others, for welding aluminium and titanium.

In addition, laser welders are used in the production of infrastructure for the ventilation, heating or food industry.

Laser welders – summary

Laser welders are advanced devices used for precise joining of materials. They operate through a concentrated laser beam that melts materials, creating durable welds. Thanks to high accuracy, process speed and a minimal heat-affected zone, these welders are widely used in the automotive, aviation, electronics and medical industries.

CORMAK, as a manufacturer of industrial machines, offers customers various laser machines such as laser cutters, laser welders or plasma cutters. In our assortment, you can find high-quality industrial machines compliant with CE standards.