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Article History

Received: 11 October 2023

Revised: 8 February 2024

Accepted: 15 February 2024

First Online: 3 July 2024

CONFLICT OF INTEREST

: The authors of this work declare that they have no conflicts of interest.

: γ rake angle, degα flank angle, degφ, φ 1 horizontal angles (side & end cutting edge angles), deg V cutting speed, m/s S feed, mm/rev t cutting depth, mm L cutting length, m l c length of chip contact with the rake face, mm x coordinate value on the rake face of the lathe cutter, x = 0 …l c /2 F c chip contact area with the rake face, mm 2 V ch chip sliding speed, m/s K а chip shrinkage coefficientФ angle in the primary shear plane, deg h thickness of the secondary plastic deformations’ zone in the processed material (chips), µm T the average temperature in the cutting zone, °C T c rake face contact temperature, °C T c max maximum value of the rake face contact temperature, °C