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Patent Searching and Data


Title:
CUTTING INSERT FOR SCREW PROCESSING
Document Type and Number:
WIPO Patent Application WO/2011/158946
Kind Code:
A1
Abstract:
Disclosed is a cutting insert which is for low cost screw processing having excellent shape accuracy for the screw being processed. In the disclosed cutting insert for screw processing a plurality of ridge-shaped cutting edges are formed, as seen from a rake face (2) side, in an intersecting ridge section between the rake face (2) formed on an upper surface and a flank face formed on a side surface; the cutting edges are provided with at least one finishing edge (6a) for transferring the shape of a screw, and at least one rough edge (6b) formed as a smaller ridge-shape than the finishing edge (6a), as seen from the rake face (2) side; a first flank surface (5a) and a second flank surface (5b) which has a larger flank angle than the first flank surface (5a) as seen in the normal direction of the cutting edge are formed on a flank face (4a) of the cutting edge (6a), and are arranged in the following order from the finishing edge (6a): first flank surface (5a), second flank surface (5b).

Inventors:
YOSHIBA Daisuke (11-1 Yoshima-Kogyodanchi, Iwaki-sh, Fukushima 44, 〒9701144, JP)
吉葉 大助 (〒44 福島県いわき市好間工業団地11-1 株式会社タンガロイ内 Fukushima, 〒9701144, JP)
Application Number:
JP2011/063982
Publication Date:
December 22, 2011
Filing Date:
June 17, 2011
Export Citation:
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Assignee:
TUNGALOY CORPORATION (11-1, Yoshima-Kogyodanchi Iwaki-sh, Fukushima 44, 〒9701144, JP)
株式会社タンガロイ (〒44 福島県いわき市好間工業団地11-1 Fukushima, 〒9701144, JP)
YOSHIBA Daisuke (11-1 Yoshima-Kogyodanchi, Iwaki-sh, Fukushima 44, 〒9701144, JP)
International Classes:
B23G5/02; B23B27/14
Foreign References:
JP2007130719A
JPH01106102U
JPH09272104A
US6224299B1
JP2007313590A
Attorney, Agent or Firm:
TANI & ABE, p.c. (6-20, Akasaka 2-chomeMinato-ku, Tokyo 52, 〒1070052, JP)
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Claims: