Metallschneidbohreinsatz und ein Metallschneidbohrwerkzeug

Details

Veröffentlichungs-Nr.

EP3932598

Aktenzeichen

EP20183362

Anmeldetag

1. Juli 2020

Veröffentlichung

6. September 2023

Erteilung

6. September 2023

Rechtsraum

EP

IPC

B23B51/04B23B27/14

Abstract

A metal cutting drill insert (100) for a drill tool (500), comprising: opposing top surface (101) and bottom surface (102) with a symmetry axis of the cutting drill insert extending there between, and a peripheral side surface (103) extends between said top surface and said bottom surface, wherein the top surface comprises a rake face (104) and the side surface (103) comprises a clearance face (105); at least one cutting edge (106) is formed at an intersection of the rake face (104) of the top surface (101) and an adjoining clearance face (105) of the side surface (103), at least one chip breaker (107) is formed in the rake face (104) adjacent to and along the cutting edge (106); characterized in that the at least one chip breaker (107) comprises: a first chip groove (108) with a constant width (w1) and constant depth (d1) relative the cutting edge (106); a second chip groove (110) with an increasing width, and a constant depth (d2) relative the cutting edge (106), and a transitional chip groove (109) which connects the first chip groove (108) to the second chip groove (110).

Anmelder

Firma

AB Sandvik Coromant

Land

🇸🇪 Schweden

Fachgebiete