TY JOUR TI Science intensive technology of manufacturing profile hard-alloy tools with screw teeth KW profile cutter blanks KW powder metallurgy KW hard alloy sintering KW NC grinding-sharpening machines KW design of screw surfaces KW 3D technological model JO Science intensive technologies in mechanical engineering AU Istotsky, V.V. AU Protasyev, V.B. PY 2019 IS 2019 PB Bryansk State Technical University