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    Laser sheet metal cutting

    e of the most advanced and modern methods of metal processing is laser sheet metal cutting, which allows to create high-quality products of such materials as steel, titanium, copper, brass, etc. At present, this technology is widely used in various industries.

    This is the best alternative to the mechanical metal working due to its high accuracy and good performance.

    Sheet metal cutting process is performed using a focused laser beam. This is a contactless method so you can work with even the thinnest workpieces, as well as create complex parts with sharp corners. Despite the high price of equipment the investment would recouped quickly with the right approach.

    Advantages of the technology

    Compared with other technologies, laser cutting has many undeniable advantages. The main ones are:

    • maximum precision level;
    • high quality of cut;
    • no material deformation;
    • no mechanical impact on the product;
    • minimum amount of dust;
    • possibility to working with thin and fragile workpieces.


    This technology allows you to get maximum cutting accuracy without errors. Due to the absence of mechanical impact on the material, the workpiece surface does not heat and does not deform, therefore you can get the highest quality final product.

    Using special software allows you to simplify a drawing processing, a working programs creating and a cutting performing, as well as to reduce production waste and to increase performance level.

    Another advantage of laser sheet metal cutting is the absence of cutting tools to blunt or to break eventually. As a result, equipment maintenance costs and downtime are minimal. The technology allows you to create products of the most complex and different shapes and process workpieces of various thicknesses.

    Laser types for sheet metal cutting 

    Manufacturers offer users two types of lasers that can operate in continuous and pulsed modes:

    • solid-state (fiber-optic) lasers;
    • gas (CO2-lasers) with a power of 50-15000 W (using helium, argon, nitrogen, and carbon dioxide as the active medium). 

    Currently there is a large number of advanced CNC machines with updated control systems and improved software on the market. An automatic focusing system, modern sensors, and a fully integrated machine vision system allow you to produce the high quality products of various shapes in the shortest possible time.

    Features of laser cutting of various metal types

    Since different metal types have their own features and properties, they react to laser exposure differently, such as the following: 

    The composition of brass includes zinc and red copper. If the alloy contains more zinc, it will be harder and more fragile. A brass has high strength, so it is resistant to laser exposure. To performing laser cutting you should configure the equipment according to the thickness of the material. In this case, using a CO2 lasers is impractical due to high reflectivity of surface.

    It is strongly recommended to wear suitable respirators during working process and a good exhausting system must be installed in the working area. 

    • Aluminum.

    Aluminum processing is quite difficult due to its high thermal conductivity and poor absorption of laser radiation. However, a digital control system allows you to make the necessary settings easily so this will greatly simplify and speed up the production process. You need a laser beam of higher power to processing of aluminum than when working with other materials. It is also necessary to take into account the sheet thickness and the percentage of aluminum content in the material. 

    • Carbon steel.

    In this case, it is recommended to use oxygen as an auxiliary gas to provide a higher cut quality. Proceed with caution during carbon steel working at low speed, because in this mode the metal outside the impact zone is heated to the burning temperature, so the cut width and the degree of roughness increases.

    If you have no special requirements for cutting quality, then the air can be used as an auxiliary gas for carbon steel cutting. 

    • Stainless steel.

    Processing too thick stainless steel sheets could be difficult by creating burr on the cut. Use a high-purity nitrogen to achieve a good result.

    • Titanium.

    Titanium and its alloys are characterized by high hardness and low density and indispensable in many industries. This material cutting is twice as fast as low-carbon steel products. During the working process, a strong glow can be observed in the reaction zone, so in order to protect the eyes, it is recommended to use glasses with light filters with a high absorption coefficient.

    If you are looking for high-quality laser cutting equipment, use sekirus.com expert services. We have a rich experience of SEKIRUS laser metal sheet and pipes cutting machines operating and ready to provide a reference and client feedback.

    SEKIRUS laser machines commissioning is performed by our technical specialists. Our company also provides the warranty for the entire period of validity.