FIELD: metallurgy.
SUBSTANCE: invention relates to metal sheets from electrical steel. For grinding of magnetic domains by irradiating subjected to final annealing sheet with beam using laser beam, electron beam or other similar beam in conditions of variation of speed of movement of device contains mechanism for scanning irradiation with beam in direction orthogonal to steel sheet feed direction, radiation mechanism has function of setting up diagonal direction scanning with beam relative to orthogonal direction oriented at angle to direction of feeding that is determined based on speed of sheet in direction of its feed.
EFFECT: processing of sheets.
5 cl, 5 dwg, 3 ex
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