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Laser cleaning of the weld

Traditional methods for surface treatment of welding materials are time-consuming and expensive. You have to dispose of chemicals and clean the room from accidental contamination. Laser technology makes it possible to forget about these problems. Learn more about using laser equipment in our article.


The F-Clean laser cleaning system allows to remove traces of dirt, rust, oxide films, and shop primer in a short time to prepare the metal surface for welding and ensure a secure joint.

The laser beam removes dirt without damaging the metal surface. This effect is obtained by adjusting the power of the laser beam. The F-Clean system can clean thin-sheet materials like aluminum without temperature distortion due to its speed and low heat consumption.

The exposure of the contaminant to the laser light causes it to vaporize. As a result, simply wiping the surface is sufficient to start welding.

Pre-treatment of stainless steel sheet


Tarnishing colors and oxide films can be quickly removed due to the high performance of the laser cleaning system. The precise positioning of the laser beam allows the heat-affected zone to be cleaned without any visible traces of exposure. The surface of the product acquires its original appearance. The weld shape remains intact.

Cleaning of the weld

Examples of application

Objectives: In the construction of nuclear power plants, spider assemblies of jointed stainless steel are welded daily. Dressing of the welds is required. Mechanical cleaning is time-consuming, causing construction work to stall. The delay in commissioning of the plant is costing the company billions of rubles. The company was looking for new methods that would increase the speed of cleaning.

Pokkels solution: The F-Clean laser system has helped company significantly reduce the time it takes to prepare metal surfaces for welding work and quickly dress the welded joints. The company was able to accelerate the construction of power plants.

Objectives: One of the main facilities of a natural gas liquefaction plant is the pipeline. The pipes are initially coated with shop primer. The mechanical method of cleaning the primer in the heat-affected area caused problems with rust, which covered the cleaned areas. The pipes are placed on a frame that is coated with a protective flame retardant coating. Pipes can not be cleaned mechanically or chemically without damaging the frame.

Pokkels solution: The easy positioning and the possibility of local treatment with F-Clean laser equipment allowed to effectively clean pipe elements from rust without damaging the frame. The laser system also helps to clean the pipe surfaces from the shop primer for further welding work.

Objectives: The company produces metal products for agriculture and the food industry: from enclosing structures to food containers. Aluminum is often used in production and its surface must be prepared for welding. Mechanical cleaning leads to deformation, especially in the case of thin-sheet aluminium.

The Pokkels solution: The laser treatment carefully treats the surface of thin-sheet items without distortion. Thanks to the accelerated preparation of products for welding, the company was able to produce more products and increase profits.

Automation options

Our company develops customized automated laser cleaning systems.

The main advantages of an automated system:

  • increased productivity 
  • custom designed to your needs 
  • non-stop operation increased machining accuracy 24/7 
  • easy to operate


The automated system is designed with your production needs in mind. Pokkels specialists will select the required power and form factor of the robot, install and integrate the system into your production.

You can create a system that not only cleans the surface, but also performs welding work. This will allow you to get the same marketable look. The robot itself performs pre-cleaning, metal welding, and subsequent descaling and tarnishing.

Back to applications

Other applications

Laser cleaning of molds

Find out how laser equipment cleans molds of dirt in less than half an hour. Why molds can be cleaned without removing them from the machine and how to automate the laser cleaning process.

Laser cleaning of stainless steel

Fast cleaning, no consumables, no waste and no dust are the reasons why laser technology is increasingly being adopted in factories that process stainless steel. Learn more about the uses and capabilities of laser systems from our article.

7 reasons to use F-Clean in a food processing plant

Laser cleaning technology is actively implemented in the food industry. This is due to the high speed and efficiency of cleaning, the absence of collateral contamination or additional costs for consumables. This article briefly describes the main advantages of the F-Clean laser system.

Laser paint removal: technology and capabilities

We continue describing the possibilities of using the F-Clean laser cleaning system. Previously we wrote about cleaning molds and stainless steel. This time we will tell you how the laser equipment removes paint and polymer coatings.

Laser cleaning for public utilities

The cleaning process of urban infrastructure takes a long time, even if you need to remove a small advertising inscription from a street tile. But there is a way to solve this problem quickly, without using brushes or chemicals. The F-Clean laser complex is such a solution. The main thing about it will be briefly described in our article.

Laser metal degreasing before soldering or welding

Degreasing is an important step that determines the quality of the future connection. Alkalis and solvents as well as mechanical brushes are often used for metal degreasing. Let’s look at the typical problems with conventional degreasing methods and compare them with laser equipment.

Laser cleaning systems for restoration

Art and architectural restoration is a laborious and time-consuming process. It is important to properly clean and not damage the piece. In this article, you’ll learn what tasks the F-Clean laser system can handle, and it deserves your attention

Laser cleaning in the automotive industry

Pokkels’ advanced laser technology solves many problems, including the efficient cleaning of parts and surfaces of any size and complexity, as well as the preparation of products for welding and painting. In this article you will learn more about the features of the F-Clean laser cleaning system.

5 reasons to use F-Clean to clean large metal structures

Laser cleaning technology is increasingly entering various business areas. Even today, construction companies and industrial cleaning companies use laser devices to clean metal structures. In this article we will look at the 5 main advantages of the F-Clean laser cleaning system for the treatment of large metal structures. 

Laser cleaning of shop primer

Rolled metal producers are gradually adopting laser cleaning technology at their factories. The main reason for this choice is the efficiency of cleaning and the lack of the need for consumables. In this article we will tell you about three companies that use the F-Clean laser system.

Laser cleaning in ship construction and maintenance

Rust is a product of corrosion that is encountered in both the maintenance and construction phases of operating ships. Laser cleaning is a modern solution to these problems. Read more about what the F-Clean laser system can do in our article.

Selective laser cleaning

Local cleaning of surface areas is another advantage of the F-Clean laser system, which extends the scope of the device. In our article we tell you more about what selective treatment tasks can be solved with laser equipment.

Laser cleaning of molds for the Pirelli plant

Pokkels’ goal is to create laser devices that are easy and comfortable to use. To do this, we select the optimal equipment, optics and adjust the parameters. In 2021 we solved a similar task for the Pirelli tire factory. You can find details of our work in this article

Case: Automatic conveyor furnace cleaning system

In 2021, Pokkels developed a special automatic laser cleaning system for moving deck plates in a confectionery. In this short article, we will explain more about the steps and the solution to the customer’s challenges.

Laser cleaning of surfaces with complex shapes

Treating surfaces of any shape and complexity is one of the key advantages of the F-Clean laser cleaning system. In this article we will tell you more about the features of laser cleaning of volumetric objects and surfaces of complex shape, as well as introduce additional options in this direction.

Experiments on the laser treatment of radiators

A significant segment of Pokkels’ work consists of research and experiments on the application of laser equipment. Since the end of 2021, we have been performing a series of tests on the laser treatment of heating elements of electric convectors at the request of a thermal technology plant. We invite you to get acquainted with the work process and the interim results of our work.

Removal of intermetallide layer from pipe threads

The wide range of settings of the laser device is one of its main achievements. It is possible not only to clean surfaces from contaminants, but also to process by changing the morphology of the surface. Our company is regularly approached by enterprises with a proposal to experiment with the use of laser equipment. In this article we will tell you about the experiments for Majorpack company.

Laser cleaning of surgical meshes made of titanium threads

F-Clean laser cleaners have a wide range of applications. They are equally effective for small items and large metal constructions. The application options for laser devices are constantly expanding. In this article we describe the development of a special cleaning technique for the finest titanium strands of surgical implants.

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