Title:
CUTTING EDGE REPLACEMENT-TYPE CUTTING CHIP
Document Type and Number:
WIPO Patent Application WO/2007/046299
Kind Code:
A1
Abstract:
This invention provides a cutting edge replacement-type cutting chip (1), characterized
in that it comprises a base material (8) and a covering layer, the covering layer
comprises an inner layer and an outer layer, the inner layer comprises an alumina
layer or an alumina-containing layer as the uppermost layer in contact with the
outer layer, the outer layer is formed of at least one metal selected from the group
consisting of group IVa elements, group Va elements, and group VIa elements of
the periodic table, Al and Si, or a compound comprising this metal and at least
one element selected from the group consisting of carbon, nitrogen, oxygen,
and boron, and, at a site involved in cutting, a requirement of B/A ≤ 0.9
is satisfied wherein A represents the average thickness on a flank (3) side, μm;
and B represents the average thickness on a front face (2) side, μm.
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Inventors:
OMORI, Naoya (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 6640016, JP)
大森 直也 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 住友電工ハードメタル株式会社内 Hyogo, 6640016, JP)
OKADA, Yoshio (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 6640016, JP)
岡田 吉生 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 住友電工ハードメタル株式会社内 Hyogo, 6640016, JP)
ITOH, Minoru (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 6640016, JP)
大森 直也 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 住友電工ハードメタル株式会社内 Hyogo, 6640016, JP)
OKADA, Yoshio (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 6640016, JP)
岡田 吉生 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 住友電工ハードメタル株式会社内 Hyogo, 6640016, JP)
ITOH, Minoru (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 6640016, JP)
Application Number:
JP2006/320459
Publication Date:
April 26, 2007
Filing Date:
October 13, 2006
Export Citation:
Assignee:
SUMITOMO ELECTRIC HARDMETAL CORP. (1-1 Koyakita 1-chome, Itami-shi Hyogo, 16, 6640016, JP)
住友電工ハードメタル株式会社 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 Hyogo, 6640016, JP)
OMORI, Naoya (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 6640016, JP)
大森 直也 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 住友電工ハードメタル株式会社内 Hyogo, 6640016, JP)
OKADA, Yoshio (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 6640016, JP)
岡田 吉生 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 住友電工ハードメタル株式会社内 Hyogo, 6640016, JP)
住友電工ハードメタル株式会社 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 Hyogo, 6640016, JP)
OMORI, Naoya (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 6640016, JP)
大森 直也 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 住友電工ハードメタル株式会社内 Hyogo, 6640016, JP)
OKADA, Yoshio (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 6640016, JP)
岡田 吉生 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 住友電工ハードメタル株式会社内 Hyogo, 6640016, JP)
International Classes:
B23B27/14; B23B51/00; B23C5/16
Attorney, Agent or Firm:
FUKAMI, Hisao et al. (Fukami Patent Office, Nakanoshima Central Tower 22nd Floor, 2-7, Nakanoshima 2-chome, Kita-ku, Osaka-sh, Osaka 05, 5300005, JP)
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