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Laser cleaning of molds

Manufacturers of rubber, plastic and glass products must clean their molds. Accumulated carbon deposits, grease buildup, and mold damage from mechanical cleaning or sandblasting result in defective finished products.

The laser equipment will help you to solve these problems and increase the service life of the molds. In this article you will learn:

Laser cleaning and conventional methods

Mold after laser cleaning

There are three types of cleaning most commonly used to clean molds: mechanical, sandblasting and chemical cleaning. The technological processes of these methods are different, but they have common disadvantages.

They are time consuming

With any cleaning method, the mold must cool down, be disassembled, and taken to a separate room for cleaning. After cleaning, the mold must be returned to the machine and heated. This all adds up to more equipment downtime.

Why laser?

Laser radiation can clean the mold at the workplace. It is enough to treat the surface with the laser and you can continue to use it.

The entire process takes no more than half an hour for large forms or no more than 15 minutes for small forms.

They can damage the mold

Mechanical and sandblasting can deform the mold, and chemical blasting can cause surface cratering.

They increase the likelihood of manufacturing defects. The damage causes even more carbon deposits and fatty clots to accumulate.

As a result, the form becomes unusable and you have to spend money on repairing it or buying a new one.

Why laser?

Laser radiation does not affect the surface itself. Therefore, its geometry is preserved and its service life increases.

They require a separate room for cleaning

Dirt from sandblasting or caustic chemical solutions requires a separate room to clean the molds.

Why laser?

Cleaning is carried out directly at the workplace. No need to stop the conveyor, because the mold can not be removed from the machine.

They leave by-products

Dirt remains after sandblasting and must be removed. The chemicals need to be disposed of. As a result, you have to spend additional resources: hire employees to clean and maintain the premises, pay for chemical waste disposal services.

Why laser?

No by-products. All cleanable contaminants evaporate. You do not even need to wipe the mold after laser cleaning.

Laser cleaning requires just one person — a laser operator.

Cleaning the mold for plastic lids with laser beam


F-Clean laser cleaning systems are designed so that only the layers of dirt evaporate during cleaning. The surface to be cleaned is not damaged at all. This effect is achieved through a wide range of laser parameter settings. You can read more about the laser cleaning process in a dedicated article.

We help customize the equipment for each customer. The device comes with a user manual, recommendations, and video tutorials. It takes your employees a couple of hours to learn how to operate it.

One of the main advantages of laser equipment is that it cleans molds of any morphology, roughness and size. The laser beam does not flatten corners or damage surface texture. Therefore, the surface retains its original appearance after cleaning, taking into account natural wear and tear.


Laser cleaning can be automated. Such a solution is especially relevant for large production facilities. The laser equipment is customized to the specific mold, so you can set a specific time interval when the mold is automatically cleaned. For example, to clean the mold after the production of every tenth product. There are no restrictions on size, performance or location.

This way, the machine can run for 24 hours without stopping, and you can save human resources. Your employees can perform other tasks in production while the laser cleans the molds.

Pokkels is ready to develop an automatic laser cleaning system and integrate it into your equipment.


Laser equipment costs more than other cleaners. But it does not require consumables. You only pay once for the equipment. The only additional cost is electricity. The laser consumes 1 kW per m2 of surface to be cleaned.

To recoup your investment in laser equipment, you need to use it regularly. If your company doesn’t clean molds on a regular basis, you can offer mold cleaning services for other companies. In this way, you have the opportunity to open a new line of business.

Pokkels also offers the service of buying laser equipment on lease.

Cleaning the mold from rubber deposits

Advantages of laser cleaning

  • Cleaning of all types of molds — the laser can be moved between machines and clean any molds.
  • No consumables — only electricity at the rate of 1 kW per 1m².
  • Cleaning of reliefs of any complexity — the laser beam cleans the smallest details of the mold.
  • High cleaning speed — large mold within half an hour. 
  • Increased life of the mold — the laser does not damage the surface of the mold, it only affects contaminants.
  • Cleaning the mold without removing it from the machine — the mold can be cleaned while it is hot.
  • One person to clean — you only need an operator to operate the laser.
Back to applications

Other applications

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.

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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