FIELD: textile industry. SUBSTANCE: scrutching drum has shaft, columns for attaching beater plank of grid arranged under beater. Inclination angle of beater plank to radius extending to beater plank edge is changing along the length of drum conical part. Such construction allows long-fibrous complexes of yarns under treatment procedure to be kept due to more profound differentiation of scrutching mode. EFFECT: simplified construction, improved maintainability and enhanced reliability in operation of drum. 1 dwg _
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