Patent ID: 8057130
Filing Date: 2011-11-15
Classification: B23B,Y10T

Abstract:
1. A metal cutting system comprising: a tool holder having a recess with a bottom face and the tool holder further having a coolant passage for delivery of fluid; an insert at least partly within the recess, the insert including a cutting edge and a rake face, the insert having a depression in the rake face wherein the depression is lower than the remainder of the rake face and the cutting edge; a top member adjacent the rake face, the top member being spaced apart from the bottom face of the recess, the top member having an open channel surface, the open channel surface and the depression cooperatively forming a cooling channel, substantially all of the cooling channel directing fluid flow in an upward direction away from the rake face toward the cutting edge; and the cooling channel is in communication with the coolant passage and a primary discharge opening to deliver fluid to the cutting edge.