Schneidwerkzeug

Details

Veröffentlichungs-Nr.

EP4782130

Anmeldetag

16. April 2024

Veröffentlichung

23. Oktober 2025

Rechtsraum

EP

IPC

B23B27/14, B23B51/00, B23C5/16

Abstract

A cutting tool comprising a rake face and a flank face, the cutting tool being composed of a substrate and a coating provided on the substrate, the coating including a MAIN layer, the MAIN layer including crystal grains of M<x>Al<1-x>N in the cubic crystal system, in the M<x>Al<1-x>N, a metal element M having an atomic ratio x of 0.2 or more and 0.8 or less, in the MAIN layer, M representing a metal element including titanium, chromium, or both, n<R> being 3 or less, where n<R> represents a number of voids at the rake face in the MAIN layer per 50 µm in length in a cross section of the MAIN layer obtained when the MAIN layer is cut along a plane including a normal to the rake face, the void having an area in cross section of 1.0 × 10<-4> µm<2> or more and 0.5 µm<2> or less.

Anmelder

Firma

Sumitomo Electric Hardmetal Corp.

Land

🇯🇵 Japan

Fachgebiete