| US 7,544,024 B2 | ||
| Coated cutting insert and manufacturing method thereof | ||
| Naoya Omori, Itami (Japan); Yoshio Okada, Itami (Japan); Minoru Itoh, Itami (Japan); Norihiro Takanashi, Itami (Japan); and Shinya Imamura, Itami (Japan) | ||
| Assigned to Sumitomo Electric Hardmetal Corp., Hyogo (Japan) | ||
| Appl. No. 11/666,159 PCT Filed Oct. 20, 2005, PCT No. PCT/JP2005/019287 § 371(c)(1), (2), (4) Date Apr. 24, 2007, PCT Pub. No. WO2006/046462, PCT Pub. Date May 04, 2006. |
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| Claims priority of application No. 2004-316611 (JP), filed on Oct. 29, 2004. | ||
| Prior Publication US 2007/0248424 A1, Oct. 25, 2007 | ||
| Int. Cl. B23B 27/14 (2006.01); B23B 9/00 (2006.01) | ||
| U.S. Cl. 407—113 [407/119] | 10 Claims |
| 1. A coated cutting insert, comprising:
a substrate;
a base layer formed on the substrate; and
an indicating layer formed on a portion of the base layer,
wherein in said substrate, at least one surface serves as a rake face, at least one other surface serves as a flank face,
and a ridge where the rake face and the flank face cross serves as a cutting edge,
said base layer has a color which is different from that of said indicating layer,
said indicating layer is formed on said flank face and on said base layer, the indicating layer is formed over an entirety
of a region A2 or a portion of A2, and the indicating layer is not formed on a region A1 extending from said cutting edge in a vertical direction with a distance of no less than 0.2 mm and less than 3.0 mm, and
said region A2 is a region excluding said region A1 from said flank face.
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