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Nie każdy wie, że czasem w technice laserowej przydają się stare sprawdzone rozwiązania. Zobacz do czego służy mała piłeczka...
Laser CleaningLaser rust removalLaser surface cleaning

Is the ball in the photo a coincidence?

przez Bartosz Miklasiewicz
napisany przez Bartosz Miklasiewicz

What is this ball for?

Not everyone knows that sometimes when using modern laser technology, old proven solutions come in handy.

Sometimes the operator of the device may forget to remove the protective cap from the gun.

Then the laser will immediately shoot through the cap housing – unfortunately also dirtying the protective glass.

This little ball causes the operator, not seeing the front side of the laser – to quickly realize that the lens cover has not been removed.

Thanks to this small gadget, lasers serve without failure for years. It is certainly worth taking advantage of it!

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Laser grawostar 2500 CL4
Laser Cleaning

Types of Cleaning Lasers

przez Bartosz Miklasiewicz
napisany przez Bartosz Miklasiewicz

The advantage of laser cleaning is its versatility. Lasers remove grease, rust, paint, varnish coatings, dirt, and discoloration. More advanced models – such as the Grawostar Laseman CL300 have three variants of the light beam – Gauss, Flat, and Mix beam.

Flat beams are used to clean injection molds and sometimes to polish them. Unfortunately, such specialized equipment does not work where we have to clean the surface to a form similar to that after the glass blasting process.

Gauss beams, on the other hand, can damage chrome metal surfaces, but perfectly prepare surfaces for subsequent chemical and polishing treatment.

Specialized Mix lasers allow for the treatment of stone and wooden surfaces. Unfortunately, wood processing requires the high-speed construction of mirrors that reflect light.

Various phenomena controlled in the production process of the device mean that three different devices are needed to properly clean many types of surfaces.

Laser cleaning is gaining an increasingly wide range of applications, Grawostar lasers are used in production plants, factories, workshops, and wherever we want the most non-invasive surface treatment possible.

The concentrated laser beam is absorbed by the impurities that are on the surface of a given element. The impurity particles pass from solid to gaseous state in a direct way. The material subjected to this process remains almost intact. The degree of violation is determined, among other things, by the type of source (Flat, Mix, Gauss).

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Laser wielofunkcyjny Grawostar
Laser Cleaning

Laser cleaning process

przez Bartosz Miklasiewicz
napisany przez Bartosz Miklasiewicz

The process also uses differences in energy absorption in relation to the wavelength of light. Evaporation occurs rapidly in an environment of micro-explosions, which, as a result of burning particles of impurities in oxygen from the air and thermal/gas expansion, reject impurities from the cleaned surface. The quality of the process depends on the type of laser and light modulation. The most precise is MFMDC (modified frequency, modified duty cycle) lasers. Unfortunately, they are also the most expensive.

In the case of burning rust, iron (III) oxide, Fe2O3 – an inorganic chemical compound from the oxide group, in which iron occurs in the third oxidation state – the process is practically harmless to the environment, reversible (rust is a natural component used to produce iron – it is hematite).

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Laser Grawostar Spawarka 2500 CL4
Laser CleaningLaser rust removal

Advantages of Grawostar laser cleaning

przez Bartosz Miklasiewicz
napisany przez Bartosz Miklasiewicz

Many different devices, methods, and technologies are used to clean surfaces, so what are the advantages of laser cleaning? Here are some of the advantages:

  • speed
  • low price
  • no abrasive
  • no deformation of sharp edges
  • does not damage threads
  • can reach the inside of pipes
    degreases, preserves
  • does not destroy bearings
  • removes bitumen masses from the chassis
  • multifunctional devices weld and clean at the same time
  • multifunctional devices can also cut
  • the system draws very little power
  • no aggressive noise during the operation

One of the most popular cleaning methods is sandblasting, which due to its relatively high invasiveness and labor intensity cannot be used everywhere. Sandblasting using large machines is noisy and destroys small elements (sandblasting destroys threads, and cannot reach closed holes and gaps). The laser has no problems with this.

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