PT Journal AU Vasilko, K TI Tribological Mechanism in Machining and Its Use SO Manufacturing Technology Journal PY 2018 BP 692 EP 696 VL 18 IS 4 DI 10.21062/ujep/162.2018/a/1213-2489/MT/18/4/692 DE machining; plastic deformation; chip forming; cutting force AB It is a well-known fact that during cutting there occurs an extremely high degree of chip plastic deformation [1,4,5,11] These deformation structures require attention as they influence technical and economical results of cutting (cutting forces, quality of machined surface, tool wear, cutting temperature) [8,9,15,21]. The paper analyses the options of influencing the deformation field in chip with the aim to improve cutting proces. ER