OBRABOTKAMETALLOV TECHNOLOGY Vol. 26 No. 1 2024 Ta b l e 4 The results of experimental studies on the calculation of the cutting temperature when milling the D16T alloy and the corresponding theoretical calculations Expt. No. Speed (m/min) Texpt., (°С) Texpt., mean value (°С) Tcalc. (°С) Ratio error (%) 1 251.2 166 170.7 160 6.268307 251.2 168 251.2 178 2 314 191 179.7 170 5.397885 314 172 314 176 3 376.8 204 192.3 180 6.396256 376.8 186 376.8 187 4 471 218 208 196 5.769231 471 205 471 201 5 565.2 209 217 203 6.451613 565.2 218 565.2 224 mean value 6.056658 Fig. 11. Comparison of experimental and theoretical values of cutting temperature when milling aluminum alloy D16T The results obtained confi rm the correctness of the calculation formulas and that this technique allows, without time-consuming and costly experimental studies, theoretically calculate (forecast) the temperatures on the front and back surfaces of the cutting blade, as well as the cutting temperature, for those narrow milling conditions where eff ective heat removal from the cutting zone is impossible.
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