Determination of temperature of maximum operability of replaceable cutting hard-alloy inserts based on study of electromagnetic properties change

OBRABOTKAMETALLOV Vol. 23 No. 1 2021 TECHNOLOGY Ta b l e 1 Characteristics of selected replaceable cutting inserts Company Shape Dimensions Material Kirovgrad Hard Alloys Plant SNMA 12x12×4.76 B35 Fig. 2. Replaceable Cutting Hard Alloy Insert Fig. 3. Diagram of developed plant for determination of maximum operability temperature of replaceable cutting hard-alloy inserts by electromagnetic properties: 1 – self-oscillating circuit; 2 – voltmeter; 3 – coil 1 output; 4 – coil; 5 – coil 2 output; 6 – replaceable cutting insert; 7 – thermometer; 8 – resistance; 9 – transistor; 10 – condenser; 11 – power supply