TY JOUR TI FEATURES OF THE FLOW OF THERMAL PROCESSES IN THE MACHINE FOR BELL FORMATION IN POLYPROPYLENE TUBES KW a machine for the formation of a bell KW temperature KW heat models KW temperature JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Romanenko, K.S. AU Polyakov, A.N. AU Nikitina, I.P. PY 2023 IS 8 PB Belgorod State Technological University named after V.G. Shukhov