TY JOUR TI Engineering support problem for the stability assuarance in deep drilling operations for large-sized forging and pressing blanks work on multi-purpose CNC machines KW deep drilling KW hardness KW tool operability KW roughness KW adaptive control KW cutting modes JO Science intensive technologies in mechanical engineering AU Ingemansson, A.R. AU Tolstyakov, N.A. PY 2025 IS 2025 PB Bryansk State Technical University