Laser rust removal: description of technology

Anyone who have experienced with rust, knows how difficult it is to fight it. Without special mechanical means such as hard wire brushes or grinders, as well as some chemicals to remove rust from metal surfaces will not work.

Having Prepared everything necessary for work, you can begin the process. Cleaning of metal surfaces from rust is usually performed manually, thus the whole process is accompanied by copious evolution of harmful chemical dust. To avoid adverse effects on the body contained in the dust substances, using a special technology - laser rust removal. Such technologies were previously perceived as something related to science fiction, but today they have become part of our life. Now, laser is widely used for cleansing different surfaces.

What is laser ablation?

Laser ablation (removal of rust) – this special technology allows using the laser pulse to remove the surface from unwanted substances. Using laser ablation it is also possible to determine the concentration in the chemical composition of elements and isotopes. This technique applies analytical chemistry and Geochemistry.

Features characteristic of the laser ablation process:

• The Energy generated by a laser pulse, is absorbed by the surface of a workpiece.
• In the process of cleaning off the rust formed plasma cloud.
• Laser ablation occurs at the boundary between two phases: condensed and gas (vacuum).

What is desorption?

If the laser characteristic low power, you eliminate the substances vaporize or are sublimated: become free molecules, ions and atoms, forming on the surface of a weak non-luminous plasma. Laser removal of rust in the mode of low power lasers is called desorption.

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Education laser spark

In the case if a laser tool for removing rust is able to produce powerful enough to exceed the threshold ablation mode pulse, then the cleansing process is accompanied by luminescence of the plasma, and bursting with the formation of surface craters. Operation powerful pulse is called a laser spark.

Technology Advantages

The advantages of laser ablation include:

• The Worker is not in contact with the surface.
• The master has the ability to localize the action: he simply sets the desired density of the pulse and directs the laser beam to the point that you want to process.
• You can adjust the power of radiation.
• The mobility of the installation. If necessary, it is easy to move to the right place.
• The person has the opportunity to work with different materials for damage.

Product from the German company Laser Clean

Today is the only manufacturer of the tool that is able to clean from paint, oil, grease, rust or any other contaminants on the sensing surface for a few minutes. This equipment provides high-quality laser rust removal. The device is able to produce powerful, short and very fast laser beams, creating microplasma plasma. This entails the formation of shock and heat waves. Reviews from owners of such devices mainly positive. Consumers estimated that the contamination under the influence of the collected beam of the beam just evaporates. Laser rust removal is carried out gently, without damaging the surface.

What models are available?

Machines of the German company Clean Laser feature a wide range of equipment which is used for the laser removal of rust. According to consumer testimonials, the most popular are "knapsack" devices. Despite their small size and power from 12 W to 1 kW, such equipment is also able to provide quality laser rust removal. The installation can be used to remove the layers with small surfaces. These devices are very popular among archaeologists as a reliable means for cleaning Antiques. Small-scale laser equipment used by mechanics during the repair of the fuselage.

Those who wish to purchase such a device, it is better to opt for devices of medium size. Experienced users recommend installation with a capacity not exceeding 400 kW. The dimensions of such devices like compressors. Today, the German engineers developed large models of laser systems for use on spacecraft and aircraft. Despite the impressive size, the device, manufactured by the German firm Clean Laser, are different in that they use a very short and rapid pulsing laser beams that contribute to the appearance of microspikes plasma and sublimation. During operation of laser equipment is not formed secondary waste. Master when using this tool do not breathe dust, andthe work itself is done quickly and efficiently.

Chinese model

In the market of tools and equipment to the attention of the consumer is given a wide range of installations for laser purification from rust. Today is a great demand of the product in China. One of them was the apparatus for cleaning metal articles LY CL 100.

Specifications

• The Installation has a capacity of not more than 100 watts.
• Service life of 50 thousand hours.
• The recurrence Frequency is 1.2-25 KHz.
• The unit is designed to clean the square 20x20 cm
• Speed of operation more than 7 thousand mm/sec.
• The Device has a linear velocity of 70 m/min.
• The plant uses air for cooling.
• Wavelength is 1064 nm.
• Inside a computer software.
• Product Dimensions are 25 x 45 x 50 cm
• Weighs up to 70 kg.
• Warranty period is 12 months.

This mobile tool will become indispensable if you want to clean the rust from the metal surface or remove the paint from the car body. In this case the withdrawal is made in layers down to the primer. The depth of penetration of the laser beam is affected by the length of its wave and the refractive index. Cleaning of metal surfaces with laser is the most effective and safe method.