FIELD: crushers for material crushing. SUBSTANCE: crusher has track with horizontal axle, crushing roller made for moving along it and located on it with clearance which is reducing in direction of material motion from edge of track along 80 % of track width with subsequent sharp increase of clearance. Track is formed by ring integral with coaxial drum. EFFECT: higher efficiency and improved distribution of mechanical stresses in crushing roller and track. 5 cl, 4 dwg
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