TY - JOUR AU - Матеїк, Галина AU - Пиль, Назар AU - Зварич, Галина PY - 2022/08/30 Y2 - 2024/03/28 TI - MATHEMATICAL MODEL OF A THREE-LAYER CHISEL AS A LINK OF AN AUTOMATIC CONTROL SYSTEM JF - Modern engineering and innovative technologies JA - MEIT VL - 1 IS - 22-01 SE - Articles DO - 10.30890/2567-5273.2022-22-01-011 UR - https://www.moderntechno.de/index.php/meit/article/view/meit22-01-011 SP - 87-92 AB -  The static and dynamic properties of drill bits are considered as elements of the system of automatic adjustment of the axial load on the bit. The transfer function, as well as the algorithmic structure of the bit, is given as one of the variants of non- ER -