Patent ID: 8202025

Claim:
A metal cutting system comprising: a tool holder having a recess and coolant passage for delivery of fluids; a shim comprising a bottom side abutting the tool holder in the recess, a top side opposite the bottom side and a shim orifice aligned with the coolant passage and spanning from the bottom side to the top side; an insert having a rake face, an insert bottom face, an insert flank face and an insert flank edge, wherein the flank face is tapered inwardly at a first angle and the flank edge is tapered inwardly at a second angle wherein the second angle is greater than the first angle, the insert bottom face being superposed on top side of the shim; a flank face cooling channel formed between the shim and the insert terminating with a secondary discharge hole directed at the cutting edge or flank face, wherein the flank face cooling channel is in communication with the coolant passage; a clamp to hold the insert and the shim securely in the tool holder; and a top piece with at least one jet for directing additional coolant at the cutting edge or the cutting corner located between the clamp and the insert.