FIELD: machine building.
SUBSTANCE: invention relates to heating and quenching of gear wheels. This method comprises placing the wheel inside the heater. Second heater is arranged inside gear inner opening AC is fed thereto from second heater for inductive heating of spinning gear. Said heaters comprise permanent magnets and AC and DC electromagnets. AC is fed from third and fourth heaters arranged nearby gear side surfaces at increase in wheel rpm to preset magnitude. Note here that frequency of AC from first heater is defined by definite formulae.
EFFECT: production and isolation of extra heat power, uniform heating.
5 cl, 2 dwg
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