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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.

Peculiarities of working with complex forms 

Laser treatment of a complex-shaped object differs from conventional cleaning of a product with a flat surface. This is due to the need to maintain the same focal distance of the laser beam. 

When we are working on a flat object like a sheet metal, it is sufficient to hold the laser gun 30 cm away from the surface and gradually sweep the entire area of the object to be cleaned. Because the surface is flat, parts of it are always in the focus of the laser device, so the contamination is evenly removed.

Laser cleaning of metal sheet

If the surface is convex, the contamination layer may not be removed evenly when trying to guide the gun evenly over the object. A similar effect occurs when the treatment area is outside the focal length of the cleaning system lens. If the bulge is small in height, the object stays in focus of the laser and cleaning takes place. When the object is not in focus, you have to change the position of the laser gun in relation to the surface to be cleaned: move it backwards or vice versa close to the surface.

Laser cleaning of shoe molds

Case: Pirelli tire factory

Tire manufacturer Pirelli approached Pokkels with the challenge of selecting a laser device to effectively clean tire molds. The previous method of cleaning with a sandblaster resulted in consumable costs, low productivity and damage to the molds.

The F-Clean RK laser, with an output of 500 watts, helped Pirelli increase productivity through its long hours of operation (more than 12 hours a day) and efficient cleaning of the surface of the molds without damage.

Additional options for processing 3D objects 

In Pokkels, we call any uneven relief surfaces as 3D objects. As we have already written in the previous section, the main difficulty in the processing of relief objects is the focal length support. If you are considering laser equipment for processing 3D objects, then we suggest to get acquainted with additional features of Pokkels.

Dynamic focus system

The dynamic laser focus option resembles the autofocus of a camera. Allows you to compensate for changes in focal length. The operator will not have to move the gun forward or backward often during cleaning. The range will be increased from 3 mm to 5 cm.


Pokkels develops customized automated cleaning systems. This solution is ideal for companies that need to treat objects with the same topography. The geometry of the surface to be cleaned is stored in the system in advance, so the device automatically changes the focal distance according to the stored parameters during the cleaning process.

Case: Confectionery factory

Pokkels was approached by a confectionery company to develop an automatic oven cleaning device for the production of flour products. 

The Pokkels team developed an automatic deck plate cleaning system with an output of 200 W. The system is integrated into an existing conveyor and allows cleaning of the moving deck plates without stopping production. By using the automatic system, the preventive cleaning time of the conveyor furnace was halved. At the same time, the monthly output increased by more than 2 million units.

Robotic complex

A separate area of activity for Pokkels is the development of robotic systems. In contrast to automation, here the device works completely independently. There is no need to preset the settings and the geometry of the surface to be cleaned. The system itself scans the object, adjusts the focus, selects the necessary power parameters and monitors the quality of cleaning. If necessary, the robotic complex repeats the treatment. The device can work without stopping and treat the surface of any complexity and relief.

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 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.

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.

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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