A CUTTING INSERT FOR A SHOULDER MILLING TOOL

A CUTTING INSERT FOR A SHOULDER MILLING TOOL

A trigonal cutting insert (1) for a shoulder milling tool, comprising an upper side (4), an opposite lower side (5) and a peripheral side surface (6), a plurality of indexable cutting edges (2) extending along corners of the cutting insert (1), each cutting edge comprising a main cutting edge (9), a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JANSSON UDD, Jörgen, ROMAN, Mr. Stefan, ERIKSSON, Thomas
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
MILLING
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:A trigonal cutting insert (1) for a shoulder milling tool, comprising an upper side (4), an opposite lower side (5) and a peripheral side surface (6), a plurality of indexable cutting edges (2) extending along corners of the cutting insert (1), each cutting edge comprising a main cutting edge (9), a corner cutting edge (10), and a surface-wiping secondary cutting edge (11), the upper side comprising:- a recessed central surface,- a plurality of positively inclined rake surfaces (14) comprising a main rake surface portion (15), a corner rake surface portion (16), and a secondary rake surface portion (17),wherein a concave indentation (20) is formed in the corner rake surface portion and in at least an initial part of the main rake surface portion adjacent to the corner rake surface portion, wherein the concave indentation has an elongated shape.