Patent ID: 8079784
Filing Date: 2011-12-20
Classification: B23C,B23Q,Y10T

Abstract:
1. A milling cutter for use in chipforming and material removal from a workpiece wherein coolant is supplied to the milling cutter from a coolant source, the milling cutter comprising: a milling cutter body containing a coolant reservoir, the milling cutter body further containing a pocket; said pocket being defined by a side seating surface, a bottom seating surface, and a leading seating surface; a pocket opening in the side seating surface; the milling cutter body containing a fluid passageway providing fluid communication between the coolant reservoir and the pocket opening; a cutting insert having a rake surface and a bottom surface, the cutting insert comprising at least one discrete cutting location; the cutting insert containing at least one distinct internal channel that corresponds to the cutting location, the internal channel having an inlet to receive coolant and an outlet to exit coolant, the outlet opening at the rake surface and being proximate to the cutting location, and the inlet opening at the bottom surface and being radial inward of the outlet; and the bottom surface of the cutting insert contacting the side seating surface whereby the inlet communicates with the pocket opening placing the internal channel in fluid communication with the coolant source.