Patent ID: 8734062

Claim:
A cutting assembly for the chipforming removal of material from a workpiece at the cutting insert-workpiece interface, the cutting assembly comprising: a holder containing a coolant passage and a seat; a stud being received within the coolant passage and extending away from the seat; a cutting insert having a rake surface and a central aperture wherein the stud extends through the central aperture of the cutting insert; an insert locking cap engaging the stud and exerting a biasing force against the rake surface of the cutting insert so as to securely retain the cutting insert in the seat ( 60 ), the insert locking cap containing a side opening in communication with the central aperture ( 188 ) of the cutting insert; and the stud containing an exterior longitudinal trough with an entrance in the coolant passage and an exit adjacent the side opening whereby coolant flows from the coolant passage into the exterior longitudinal troughs exiting into the central aperture of the cutting insert and passing into and spraying out of the side opening toward the cutting insert-workpiece interface.