Szukana fraza: [Abstract = "The TiAlN\+TiN coated insert, as well as TiCN achieved very short tool life periods of 16 and 24 minutes, respectively. Compared to the uncoated and the TiCN coated insert, a VBB increase of about 170% was obtained for the TiAlN\+TiN coated insert after 16 minutes. In contrast, an increase in the VBB of almost 60% was obtained for the TiCN coated insert after 24 minutes, compared to the uncoated insert."]