FIELD: technological processes.
SUBSTANCE: cutting tool includes a cutting element in the form of an insertable cutting plate indirectly cooled by means of a heat exchanger with microchannels, which is installed at the rear surface of the insertable cutting plate. The heat exchanger has an internal chamber, to which a cooling liquid, such as cryogenic liquid, is supplied. The chamber can contain ribs for the improvement of removal of heat with the cryogenic liquid from the insertable cutting plate. Supply and discharge tubes for the cooling liquid are connected to the inner space of the heat exchanger.
EFFECT: reduction of the cryogenic liquid consumption.
17 cl, 7 dwg, 1 tbl.
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