Laser welding

Laser welding is a revolution, and we’re keeping pace! With our state-of-the-art Penta Laser machines, we achieve perfection without additional material. This process is ideal for welding all material qualities, both thin and thick sheet metal. The result is a minimal heat-affected zone and low deformation, ensuring aesthetically pleasing weld quality. Join us on the path to weldment perfection and discover our capabilities!

What is laser welding?

Laser welding is a modern technological process that has become one of the key processes in metal production in recent years. It combines the advantages of high precision, speed, and joint quality, making it an ideal choice for many industries.

It is particularly suitable for welding thin metal materials up to approximately 4 mm thick. The highest yield with this advanced technology can be achieved when welding longer butt welds, as well as internal and external corner welds.

How does laser metal welding work?

Laser welding involves joining metallic materials with a concentrated laser beam at high speed. This beam melts the material locally and creates a connection between the two metal parts. The welding process occurs at high temperatures, with the laser beam achieving an extremely high energy concentration in a very small space, which enables the creation of thin but strong connections.

With thicker materials, deep and narrow weld seams can be achieved through laser welding. Laser welding is highly precise and is therefore suitable for applications where high quality and precision of the weld seam are required.

Where is laser welding used?

Laser welding is used in a wide variety of industries and is ideal where precision, speed, and joint quality are important. The most common industrial applications include:

Automotive industry

Laser welding is used in the manufacture of car bodies and structural parts. Its high precision is particularly useful when welding thin sheets and complex shapes.

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Aviation and Cosmonautics

High quality, precision and strength of the joints are essential here, which is why laser welding is a welcome technology for joining parts in aerospace machinery.

Electronics and telecommunications

Laser welding is also used in the manufacture of detailed electronic components, such as parts of mobile phones, computers, optical fibers, and others.

Healthcare

In the manufacture of medical devices and implants, laser welding is ideal for achieving strong and precise joints in small and delicate components.

Engineering and metalworking

Of course, laser welding has its traditional place in all metalworking processes, both for simple welds and for the production of complex and precise parts.

Energy and renewable resources:

Laser welding is also used in the production of components for the energy industry, including components for solar modules and wind turbines.

Quality control in laser welding

Conductive welding

This method is suitable for welding thin materials. The laser beam melts the material over a larger area, resulting in shallow welds.

Keyhole welding (deep penetration welding)

This method is used for welding thicker materials. The laser beam penetrates the material, forming a narrow, deep hole that is gradually filled with molten material, creating strong, durable joints.

Preparation for laser welding

Preparing for laser welding involves several key steps to ensure optimal results:

  • Material selection – It is important to select materials suitable for laser welding. Some materials may require additional adjustments or special techniques to ensure a high-quality joint.
  • Preparing the material edges – Before welding, the material must be treated, which may include cutting, grinding, or other processes to achieve clean edges that ensure a high-quality weld.
  • Adjusting the laser parameters – Selecting the correct laser beam parameters, such as power, beam width, travel speed, and more, is crucial for achieving the desired weld quality.
  • Checking the temperature conditions – Before welding, optimal temperature conditions must be ensured to avoid material deformation or incomplete melting.

Which materials can be cut with a laser?

Laser beam generation – The laser welder produces an intense, concentrated beam of light.

Focusing the beam on the material – The laser beam is focused on the surface of the material, where it is concentrated in a very small area, resulting in the melting of the metal.

Melting and joining of materials – Where the laser beam hits the material, a weld pool forms, joining the two parts of the weld.

Solidification and joint formation – After the laser beam is stopped, the material solidifies rapidly, creating a strong and permanent joint.

Methods for laser welding metals

Quality control is an important step in the welding process, as it ensures that the connection is strong and secure and meets the specified requirements. Therefore, after laser welding, we conduct the necessary tests, the goal of which is to identify any errors or defects in the weld that could affect its strength, safety, or the overall functionality of the product.

Processing of weld seams

After laser welding, cleaning may be required to remove melting residues, oxidation layers, or contaminants, ensuring optimal surface quality and readiness for further processing or surface treatment. This includes grinding, which smooths out irregularities, ensures a smooth weld surface, and improves the overall appearance and functionality of the welded structure.

Quality control and price list for laser welding

Safety during laser welding

Strict safety precautions are essential for laser welding at Pro Tool Solutions. We employ only qualified personnel with valid welding certificates under professional workshop supervision.Our employees are required to wear protective equipment such as sturdy footwear and protective clothing, leather gloves, aprons, and a welding helmet. As a responsible employer, we also ensure that safety and hygiene regulations and other legal standards are consistently adhered to at our welding workplace. This includes ensuring the correct climatic conditions in the workshop, exhaust gas extraction, and regular maintenance of welding equipment and other tools.

The cost of welding

The price of laser welding depends on several factors such as the type of material, the complexity of the welded part, the thickness of the material, the batch size and the quality requirements. Please contact us for an accurate quote.

A video says more than a thousand words

Check out our laser welding videos

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