FIELD: building industry, applicable for qualitative machining of uncongealed concrete surfaces molded of concrete mixes. SUBSTANCE: the disk working member consists of a body, drive shaft, disk. A magnetic field source made of magnetic field conducting material is installed over the smoothing disk. The magnetic field source is made in the form of a coil and connected to a source of radio-frequency oscillations magnetizing the water present in the surface layer of the concrete mix. EFFECT: enhanced quality of machining and enhanced strength of surface products. 2 dwg
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