FIELD: production of all-metal fillet card. SUBSTANCE: the line uses an electromagnetic installation installed on a hardening machine between the fillet card height monitoring device and means for fillet card feed for heat treatment. Treatment of fillet card in a pulsating electromagnetic field results in equalization of the structure of tooth metal and removal of internal stresses, decreases the tendency to brittle failure. EFFECT: enhanced quality. 2 cl, 2 dwg, 1 tbl
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