MILLING ROLLER WITH BORDER PROTECTION Russian patent published in 2017 - IPC B02C4/30 

FIELD: machine engineering.

SUBSTANCE: milling roller comprises a body having a cylindrical outer surface, a side groove formed on each end of the roller body, and inserted in each lateral edge ring groove. Each lateral groove has a support shoulder, recessed from the outer surface of the roller body, and the edge ring comprises a plurality of receiving cavities, and a plurality of wear-resistant elements. Wherein each wear-resistant element is inserted and fixed in at least one of the receiving cavities of the edge ring. Wear-resistant elements are arranged along the edge of the ring so as to form the edge of the milling roller. Shredding assembly comprises grinding and flanged rollers, arranged adjacent to each other and made in accordance with the above.

EFFECT: increased wear resistance of rolls and improved reliability of the grinding unit.

20 cl, 9 dwg