FIELD: machine building.
SUBSTANCE: group of inventions relates to pressure roll and roller press for grinding of highly abrasive materials. Pressure roll (1) with roll (2) body has large number of recesses in form of seats on one or both edges. Recesses are distributed along circumference and located at distance from each other in circumferential direction T. Recesses are made open on side and from above. In some recesses (3) in form of seats is only one cemented-carbide element is installed as replaceable element for protection of edge (5). Length (L) of recesses (3) in form of seats and length (l) of installed elements for protection of edge (5) in circumferential direction (T) is more than distance (a) between two located directly next to each other recesses (3). Roller press comprises two pressure rolls.
EFFECT: enabling elimination of individual edge protection elements damage.
15 cl, 5 dwg
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