Cutting insert with thermal crack barrier

A cutting insert has a rake surface, flank surface, and a cutting edge at the intersection of the rake surface and flank surface. A chip contact zone is located closely adjacent the cutting edge. The chip contact zone has a plurality of barriers therein for preventing propagation of thermal cracks i...

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Bibliographic Details
Main Author WAGGLE NICHOLAS F
Format Patent
LanguageEnglish
Published 28.10.2004
Edition7
Subjects
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
MILLING
PERFORMING OPERATIONS
TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
TECHNICAL SUBJECTS COVERED BY FORMER USPC
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TRANSPORTING
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Summary:A cutting insert has a rake surface, flank surface, and a cutting edge at the intersection of the rake surface and flank surface. A chip contact zone is located closely adjacent the cutting edge. The chip contact zone has a plurality of barriers therein for preventing propagation of thermal cracks in the cutting insert during use. The barriers having a width, angle, and/or length that prevents propagation of thermal cracks in a microscopic scale.
Bibliography:Application Number: US20030422115