Services

Shot blasting

The Ufa Metalworks performs shot blasting of different metal profiles. Shot blasting is performed on Voortman VSB1500-4/15.

This machine is specially designed for shot blasting of plates and profiles to the 2nd blasting grade according to GOST 9.402-80 or 2 1/2 according to ISO 8501-1-2007. This machine can be used as individual unit thanks to inlet and outlet roll tables, as well as cross tables from the inlet and outlet side. Completely automatic control and 4 high-quality turbines (capacity 15 kW each) provide the high speed of blasting of profiles of different sizes and forms. In case of processing of thin plates (up to 4 mm) the Voortman shot blasting system automatically limits the supply of grinding material to the working area. Thanks to frequency control the turbine speed decreases for prevention of bending of thin plates inside the machine.

Short blasting technology

Short blasting technology is technology of processing of metal surfaces which is based on impact of fine spherical particles on metal. This method of operation with metal products is a cold processing. Abrasive which is brought on the metal surface under high pressure has energy-kinetic properties. During short blasting these properties allow completely removing heavy stains from the surface and quickly achieving necessary condition of material.

Short blasting makes it possible to perform effective descaling of material surface, to execute wide-area removal of rust, to achieve necessary scaliness of the processed surface (for execution of subsequent finishing operations), to make matte finish if necessary. Shot blasting processes also make it possible to completely remove corrosion locations from metal surface, to make the set textured contour of a product and remove the particles without coherence.

Shot blasting is obligatorily used in domestic production for the purpose of anticorrosion treatment of structural products which due to their specific properties are beyond reconstruction and repair. Such operations are performed on piling-up sites of strategic lines of communication connections in underground facilities. Shot blasting is also used for prolongation of service life of bridge piers.

Thanks to this type of processing the product receives additional compressing strength properties which are an auxiliary and reliable barrier from damage of structure elements by corrosion, from developing erosive reactions and from emergence of cracks in monolith compounds. Therefore shot blasting is the rationale for extension of service life of structures and improvement of technical properties of metal products.

The metal particles which are different in mesh size — eight, ten and fifteen mm — are used for execution of shot blasting process. Blades of the wheel-type unit accelerate the abrasive of different mesh size up to top speed — one hundred meters per second. Then the abrasive strikes with a force the surface of the processed product. As a result of impact of the abrasive the excess coating is removed from the product. The depth of the coating is determined depending on speed interval of the movement of the shot blaster.

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