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1. WO2013005601 - CUTTING INSERT AND CUTTING TOOL

Publication Number WO/2013/005601
Publication Date 10.01.2013
International Application No. PCT/JP2012/066177
International Filing Date 25.06.2012
IPC
B23C 5/20 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
CMILLING
5Milling-cutters
16characterised by physical features other than shape
20with removable cutter-bits or teeth
B23C 5/10 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
CMILLING
5Milling-cutters
02characterised by the shape of the cutter
10Shank-type cutters, i.e. with an integral shaft
CPC
B23C 2200/362
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
CMILLING
2200Details of milling cutting inserts
36Other features of the milling insert not covered by B23C2200/04 - B23C2200/32
361Fixation holes
362Having two fixation holes
B23C 2210/0428
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
CMILLING
2210Details of milling cutters
04Angles
0407Cutting angles
0421negative
0428axial rake angle
B23C 2210/168
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
CMILLING
2210Details of milling cutters
16Fixation of inserts or cutting bits in the tool
168Seats for cutting inserts, supports for replacable cutting bits
B23C 5/1027
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
CMILLING
5Milling-cutters
02characterised by the shape of the cutter
10Shank-type cutters, i.e. with an integral shaft
1009Ball nose end mills
1027with one or more removable cutting inserts
B23C 5/1045
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
CMILLING
5Milling-cutters
02characterised by the shape of the cutter
10Shank-type cutters, i.e. with an integral shaft
1009Ball nose end mills
1027with one or more removable cutting inserts
1045having a cutting insert, the cutting edge of which subtends substantially 90 degrees
B23C 5/205
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
CMILLING
5Milling-cutters
16characterised by physical features other than shape
20with removable cutter bits or teeth ; or cutting inserts
202Special by shaped plate-like cutting inserts, i.e. length greater than or equal to width, width greater than or equal to thickness
205having chip-breakers
Applicants
  • 株式会社タンガロイ TUNGALOY CORPORATION [JP]/[JP] (AllExceptUS)
  • バガス ケダール スレーシュ BHAGATH Kedar Suresh [IN]/[JP] (UsOnly)
Inventors
  • バガス ケダール スレーシュ BHAGATH Kedar Suresh
Agents
  • 特許業務法人 谷・阿部特許事務所 TANI & ABE, p.c.
Priority Data
2011-14843204.07.2011JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) CUTTING INSERT AND CUTTING TOOL
(FR) PLAQUETTE DE COUPE, ET OUTIL DE COUPE
(JA) 切削インサートおよび切削工具
Abstract
(EN)
The invention provides a cutting insert and a cutting tool, which have very strong tool rigidity and are capable of highly efficient cutting, and the production cost per one cutting edge of which is low. For this purpose, a first rake face (4a) and a second seating surface (8a) are provided on the upper surface (2) of the cutting insert (1). A second rake face (4b) and a first seating surface (8b) are provided on the lower surface (3) of the cutting insert. The cutting edge is provided with: a first cutting edge portion (5a) formed at the ridge where the first rake face (4a) and a flank (7) intersect; and a second cutting edge portion (6a) formed at the ridge where the second rake face (4b) and the flank (7) intersect. The first cutting edge portion (5a) is provided at a position opposite the ridge where the first seating surface (8b) and the flank (7) intersect, and the second cutting edge portion (6a) is provided at a position opposite the ridge where the second seating surface (8a) and the flank (7) intersect.
(FR)
L'invention fournit un outil de coupe et une plaquette de coupe réduisant le coût de fabrication par arête, présentant une rigidité extrêmement forte, et permettant un usinage de coupe hautement efficace. Dans cet objectif, la face supérieure (2) de la plaquette de coupe (1) est équipée d'une première face d'attaque (4a), et d'une seconde face d'appui (8a); et la face inférieure (3) de la plaquette de coupe est équipée d'une seconde face d'attaque (4b), et d'une première face d'appui (8b). Les arêtes sont équipées : d'une première portion arête (5a) formée sur une ligne de crête où se croisent la première face d'attaque (4a) et une face de flanc (7); et d'une seconde portion arête (6a) formée sur une ligne de crête où se croisent la seconde face d'attaque (4b) et la face de flanc (7). La première portion arête (5a), et la ligne de crête où se croisent la première face d'appui (8b) et la face de flanc (7), sont agencées en des positions opposées; et la seconde portion arête (6a), et la ligne de crête où se croisent la seconde face d'appui (8a) et la face de flanc (7), sont agencées en des positions opposées.
(JA)
 1切れ刃あたりの製造コストが安く、非常に強固な工具剛性を備えた、高能率な切削加工が可能な切削インサートおよび切削工具を提供する。そのために、切削インサート(1)の上面(2)に、第1のすくい面(4a)、第2の着座面(8a)を備え、切削インサートの下面(3)に、第2のすくい面(4b)、第1の着座面(8b)を備え、切れ刃は、第1のすくい面(4a)と、逃げ面(7)との交差稜線部に形成された第1の切れ刃部分(5a)と、第2のすくい面(4b)と、逃げ面(7)との交差稜線部に形成された第2の切れ刃部分(6a)とを備え、第1の切れ刃部分(5a)と、第1の着座面(8b)と逃げ面(7)との交差稜線部とを対向する位置に設け、第2の切れ刃部分(6a)と、第2の着座面(8a)と逃げ面(7)との交差稜線部とを対向する位置に設ける。
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