Patent ID: 6652200
Filing Date: 2003-11-25
Classification: B23B,B23Q,Y10T

Abstract:
An indexable insert tool holder for use with a lathe comprisinga) a tool holder body having an upper surface portion with a particular length and a recess formed therein; b) a cutting tool insert assembly seated in said recess, said insert having at least one critical zone; c) a top plate extending over a portion of said particular length of said tool holder body adjacent said cutting tool insert assembly and having only a leading edge overlying said cutting tool insert assembly, said top plate not having primary responsibility for retaining said cutting tool insert assembly seated in said recess; d) means securing the top plate to the tool holder body; and e) open-sided coolant passageway means formed in an external surface portion of said top plate, said coolant passageway means running horizontally throughout its length, said upper surface portion of said tool holder body interfacing with said top plate defining a lower surface of said coolant passageway means, and said coolant passageway means terminating at said leading edge and being focused on said at least one critical zone.