Inserts for metal cutting purposes
作者： Peter Littecke
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摘要: The present invention relates to a cutting tool with increased life when machining grey cast iron. comprises solid CBN-containing body containing more than 60 vol% CBN and coating. coating consists of at least one layer metal nitride, carbonitride or carbide the elements selected from Ti, Nb, Hf, V, Ta, Mo, Zr, Cr, W Al, total thickness 2-7 νm 2-8 α- and/or λ-Al2O3. is CVD deposited 900°C higher.
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