METHOD FOR MAKING ABRASIVE PRODUCTS Russian patent published in 2004 - IPC

FIELD: manufacture of honing and superfinishing blocks. SUBSTANCE: method comprises steps of shaping abrasive electrocorundum powder at static pressing and dynamic loading by means of shock wave in press-mold; then performing heat treatment; filling press-mold according to next order: introducing to lower part of press-mold abrasive powder in the form of mixture of main and additional fractions of electrocorundum powder; introducing to upper part of press-mold powder with main fraction size. Relation of volume filling of zones of press-mold is in range 1 : (0.5 - 0.7). EFFECT: enhanced quality of abrasive products. 3 notes, 1 tbl