CUTTING TOOL COATED WITH HARD FILM

CUTTING TOOL COATED WITH HARD FILM

PURPOSE: To provide a cutting tool, which is excellent in both wear resistance and breakage resistance, which features stable cutting characteristics, and which has long life. CONSTITUTION: Both a rake face 11a and a flank 11b of a tip of a hard-film- coated cutting tool 11, which contributes to cut...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: MASUKO TSUTOMU, KOMAKI KUNIO
Format: Patent
Sprache:eng
Schlagworte:
BORING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
TRANSPORTING
TURNING
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Beschreibung
Zusammenfassung:PURPOSE: To provide a cutting tool, which is excellent in both wear resistance and breakage resistance, which features stable cutting characteristics, and which has long life. CONSTITUTION: Both a rake face 11a and a flank 11b of a tip of a hard-film- coated cutting tool 11, which contributes to cutting work, are coated with a hard film 13, and a film-discontinuous-part 14, by which the hard film of the rake face 11a is discontinued from the hard film of the flank 11b, is formed in the vicinity of the boundary between the rake face 11a and the flank 11b of the tip.