METHOD OF SHARPENING HARD-ALLOY TOOL Russian patent published in 1995 - IPC

FIELD: working of hard-alloy tools. SUBSTANCE: method comprises steps of performing a working with use of a diamond wheel, feeding to a working zone a composition, that contains in addition 25%-water solution of ammonium and finely dispersed powder of cobalt screening material, such as corundum, whose content in the finely dispersed powder, being fed with the composition, is being changed from a beginning time moment up to a final time moment of sharpening process from 0.1 till 20%; performing a final stage of sharpening-dwelling process-by the diamond wheel, had been coated by charging until saturation only by the finely dispersed powder of cobalt screening material, such as corundum. EFFECT: enhanced quality of tool, had been sharpened by such method. 1 cl