Oxide coated cutting insert

Chemistry: electrical and wave energy – Processes and products – Coating – forming or etching by sputtering

Reexamination Certificate

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Details

C204S192160, C204S192380, C407S119000

Reexamination Certificate

active

08075743

ABSTRACT:
A cutting tool insert, particularly useful for machining of cast iron, comprising a body of a hard alloy of cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel a hard and wear resistant coating; and at least (Al,Cr)2O3layer applied to said body is disclosed. Methods of making a cutting tool insert are also disclosed. In addition, methods for machining of cast iron using the cutting tool inserts are disclosed.

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