this found is the coils (in particular for machine trafilatrici metal wire, having a group of cooling fluid.the reel includes a cylindrical body rotating around a central axis and is supported by bearings, the fixed frame of the machine.a chamber is defined in said body, and a group of cooling of the coil placed in the chamber.this group includes at least one cooling circular sector place near surface lateral to said internal body.connected to the frame body fixing supportante cylindrical coil and at least one nozzle for the introduction of cooling fluid in the vicinity of the outer surface to place said sectorand, in order to create a shirt of coolant lambente lateral surface of said internal body.
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