I have a few Kennametal tools that have special coatings. KCPM40 with a PVD TiAlN/AlCrN coating KCPK30 with a multilayered TiN-TiCN-Al2O3-CVD coating I was wondering what the best coating to use with them?
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Hi, Multilayer coating will improve the tool life. But I do not think it will change the cutting parameters that much. There is already AlCrN coating. You can use that. Not sure about Al203.... Have to do some research into that. Best regards!