OBRABOTKAMETALLOV Vol. 23 No. 3 2021 MATERIAL SCIENCE EQUIPMENT. INSTRUMENTS 4 4 2 b c Fig. 4. Experimental setup: a – general view; b – using GW 1; c – using GW 2; 1 – tool; 2 – magnetic table; 3 – workpiece (sample); 4 – microphone; 5 – personal computer а Ta b l e 2 Processing modes Mode Value Rotational speed of the GW Vk, rpm 2,700 Intermittent vertical feed St to a depth of t, mm/double stroke 0.01 / 0.015 / 0.02 Longitudinal feed of the table (workpiece) Vs, m/min 5 Grinding width lg, mm 25 / 34 Processing time T, min 15
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