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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Main Author | |
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Format | Patent |
Language | English |
Published |
28.10.2004
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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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. |
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Bibliography: | Application Number: US20030422115 |