MILLING FITTINGS FOR DISK-TYPE MILL Russian patent published in 2007 - IPC B02C7/12 

FIELD: constructive members for disk-type mills.

SUBSTANCE: milling fittings for disk-type mill have stator and rotor disks assembled from sections and equipped with knives made in the form of whole doubled knives alternating with two small-sized doubled knives, between which knives one shortened doubled knife is fixed. Grooves between knives are closed with connection members. Generatric of central conical annular zone is inclined at an angle of 2-5 deg relative to supporting surface of sections. Working surface of each section in conical zone is equipped with axial central knife dividing section into left-hand and right-hand parts, with respect to which axial central knife said knives of left-hand and right-hand parts are symmetrically arranged. Knives are fixed on each part of section along lines converging in respective end points of diameter of inlet aperture circle, perpendicular to axial central knife. Outer knives of left-hand and right-hand parts of section adjoin one another above axial central knife. Centers of circles of connection member arcs of left-hand and right-hand parts of section are arranged eccentrically relative to center of disks on right-hand and left-hand parts of sections, respectively.

EFFECT: increased efficiency and improved quality of milling materials.

2 cl, 6 dwg