Coating of cutting tools leads to reduce abrasive wear of cutting edges and chip surfaces and clearly reduce the addiction of cold welding. Moreover, the extremely smooth coating layer surface minimizes friction and enables an improved chip evacuation.
Especially TiALN variants are suitable due to their high layer hardness and low thermal conductivity for current applications in dry and the high speed machining. In dependence of the material to be machined, still other special developed layer systems can be used alternatively.
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