Patent ID: 9457408
Filing Date: 2016-10-04
CPC Classification: B23B,C23C,Y10T

Claim Text:
1. An indexable insert, comprising: a main element having free surfaces and at least one cutting surface; at least one cutting surface of the main element but not its free surfaces being coated by a PVD process with a PVD layer composed of a hard material and having a layer thickness greater than 50 μm; the hard material being a nanolaminate including a plurality of different layers being, in particular, composed of different nitrides; and individual layers of the nanolaminate including nitrides, in particular the nanolaminate having layers including one or more nanocrystalline nitrides and layers including at least one of silicon nitride or boron nitride and being entirely or partially present in at least one of amorphous or epitactic form.