WO2012023325A1 - Plaquette jetable - Google Patents

Plaquette jetable Download PDF

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Publication number
WO2012023325A1
WO2012023325A1 PCT/JP2011/061877 JP2011061877W WO2012023325A1 WO 2012023325 A1 WO2012023325 A1 WO 2012023325A1 JP 2011061877 W JP2011061877 W JP 2011061877W WO 2012023325 A1 WO2012023325 A1 WO 2012023325A1
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WO
WIPO (PCT)
Prior art keywords
cutting edge
throw
away tip
width
cutting
Prior art date
Application number
PCT/JP2011/061877
Other languages
English (en)
Japanese (ja)
Inventor
鈴木　智恵
伊藤　実
岡田　吉生
アノンサック パサート
秀明 金岡
Original Assignee
住友電工ハードメタル株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 住友電工ハードメタル株式会社 filed Critical 住友電工ハードメタル株式会社
Priority to JP2012529509A priority Critical patent/JPWO2012023325A1/ja
Publication of WO2012023325A1 publication Critical patent/WO2012023325A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/141—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
    • B23B27/145—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness characterised by having a special shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/24—Cross section of the cutting edge
    • B23B2200/245—Cross section of the cutting edge rounded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/36—Other features of cutting inserts not covered by B23B2200/04 - B23B2200/32
    • B23B2200/3645—Lands, i.e. the outer peripheral section of the rake face
    • B23B2200/3654—Lands, i.e. the outer peripheral section of the rake face being variable

Definitions

  • the present invention relates to a throw-away tip, and to a throw-away tip used for milling or turning.
  • the cutting edge of the throw-away tip is generally composed of a linear cutting edge part and an arcuate cutting edge part.
  • the arcuate cutting edge portion is an intersection where one rake face and two flank faces intersect, and means a rounded portion cutting edge. It means a straight cutting edge connecting the arcuate cutting edges.
  • JP 2002-192407 Patent Document 1
  • JP 09-019819 Patent Document 2
  • JP 63-306806 Patent Document 3
  • JP 01-188202 Patent Document
  • Patent Document 5 disclose a technique for making the chamfer width of the cutting edge different.
  • the chamfering width at the midpoint of the arcuate cutting edge portion of the nose is wider than the chamfering width at the connection point between the arcuate cutting edge portion and the linear cutting edge portion.
  • the throw-away tip of Patent Document 2 has a chamfering width in the linear cutting edge portion wider than a chamfering width in the vicinity of the arcuate cutting edge portion.
  • the throw-away tip of Patent Document 1 has a high frictional resistance at the arcuate cutting edge portion, so that chips easily flow to the front cutting edge side. Then, the chips scrape the vicinity of the front cutting edge to cause crater wear, and as a result, abnormal wear or chipping tends to occur in the throw-away tip.
  • the throw-away tip of Patent Document 2 has a narrow chamfer width of the arcuate cutting edge.
  • the chips are located on the side center side of the main cutting edge (in the direction indicated by “side 10” in FIG. 1, that is, the linear cutting edge of the throwaway tip). To the center).
  • the work material is rarely in a uniform cylindrical shape, and it is inevitable that the cutting amount or machining allowance of the work material fluctuates during the cutting process.
  • Patent Documents 3 to 5 when the amount of cut of the work material fluctuates during cutting, the chips cannot be appropriately treated, and crater wear or chipping outside the cutting edge occurs. It was easy to occur.
  • the present invention has been made in view of the current situation as described above, and an object of the present invention is a throwaway that can be cut while appropriately flowing chips even if the amount of cut of the work material varies. Is to provide a chip.
  • the throw-away tip of the present invention is continuously chamfered along the cutting edge, and the cutting edge includes an arcuate cutting edge portion and a linear cutting edge portion, and is viewed in a plan view in the rake face direction.
  • the ratio of the chamfering width A at the midpoint of the arcuate cutting edge to the chamfering width B at the connection point between the arcuate cutting edge and the linear cutting edge (when viewing the throwaway tip from the rake face direction) A / B is 0.5 or more and 0.95 or less, and the chamfer width B is a maximum chamfer width in the arcuate cutting edge portion.
  • the minimum chamfer width C is preferably smaller than the chamfer width A.
  • the throw-away tip may be composed only of a base material, or may include a base material and a coating film formed on the base material.
  • the coating film has a thickness of 1 ⁇ m or more and 30 ⁇ m or less, and at least one layer constituting the coating film is selected from the group consisting of IVa group element, Va group element, VIa group element, and aluminum in the periodic table It is preferable to form a compound of one or more elements selected from the group consisting of carbon, nitrogen, oxygen, and boron, or a solid solution of the compound.
  • the throw-away tip of the present invention has the above-described configuration, so that even if the amount of cut of the work material varies, cutting can be performed while appropriately flowing chips. Thereby, chipping and chipping are less likely to occur, and the life of the throw-away tip can be extended.
  • the thickness of the coating film is measured by a scanning electron microscope (SEM), and the composition of the coating film is an energy dispersive X-ray analyzer (EDS: Energy Dispersive X-ray Spectroscopy). ).
  • FIG. 1 is a schematic view of a throwaway tip of the present invention in plan view of a rake face
  • FIG. 2 is an enlarged schematic view of an arcuate cutting edge portion of FIG.
  • the throw-away tip 1 of the present invention is continuously chamfered along the cutting edge.
  • the cutting edge includes an arcuate cutting edge portion 3 and a linear cutting edge portion 4.
  • continuous chamfered means that chamfering is performed without interruption along the cutting edge.
  • the throw-away tip 1 of the present invention has a rake face 5 that comes into contact with chips of the work material during cutting and a flank face that comes into contact with the work material itself.
  • the shape of the throw-away tip may be either a negative type or a positive type. From the viewpoint that both sides can be used, it is preferable to use a negative type having many usable cutting edges per chip.
  • the side surface of the throw away tip becomes a flank, since both FIG. 1 and FIG. 2 are top views, the flank is not shown.
  • the throw-away tip 1 of the present invention may be composed of only a base material, or a coating film may be formed on the base material. By providing the coating film, chipping and chipping during cutting can be prevented.
  • the throw-away tip 1 of the present invention having such a basic configuration is, for example, a drill, an end mill, a milling or turning edge cutting type cutting tip, a metal saw, a gear cutting tool, a reamer, a tap, or a crankshaft pin. It can be used very effectively as a chip for milling.
  • the rake face 5 constituting the throw-away tip of the present invention means a face that comes into contact with chips of the work material during cutting, and the upper surface and the bottom face of the throw-away tip are usually the rake face 5.
  • the rake face 5 preferably has a convex or concave chip breaker. By having the chip breaker, the chips are curled and finely divided into an appropriate size, so that it is possible to prevent the chips from being wound and obstructing the cutting process.
  • flank that forms the throw-away tip of the present invention means a surface that contacts the work material itself during cutting.
  • the cutting edge means a portion obtained by honing a portion where the rake face and the flank face intersect (hereinafter also referred to as “cutting edge ridge line”).
  • cutting edge ridge line Such a cutting edge may be further given a name to each part depending on the contact state with the work material. That is, when cutting while rotating the work material, the cutting edge on the side in contact with the part of the work material cut in the previous cycle is called the "front cutting edge", and the new part of the work material is The cutting edge on the side to be cut is called “main cutting edge”.
  • the rounded part at the intersection of one rake face and two flank faces is called an arcuate cutting edge.
  • a straight cutting edge connecting the arcuate cutting edges is referred to as a straight cutting edge.
  • the “connection point between the arcuate cutting edge part and the linear cutting edge part” means an inflection point between the arcuate cutting edge part and the linear cutting edge part.
  • the throw-away tip of the present invention has an arcuate cutting edge with respect to a chamfering width B at a connection point between the arcuate cutting edge part 3 and the linear cutting edge part 4 in plan view in the rake face direction.
  • the ratio A / B of the chamfering width A at the midpoint of the portion 3 is 0.5 or more and 0.95 or less, and the chamfering width B is the maximum chamfering width in the arcuate cutting edge portion 4.
  • the ratio A / B is more preferably 0.6 or more and 0.8 or less.
  • the chamfering width A with respect to the chamfering width B satisfies the above numerical range, it becomes easy for chips to flow toward the center side of the main cutting edge (in the direction indicated by “side 10” in FIG. 1), and in the vicinity of the front cutting edge. Scratching due to chips can be suppressed. Thereby, generation
  • a / B is less than 0.5, it is not preferable because when the rough cutting is performed, the linear cutting edge 4 entrains chips and easily causes chipping outside the cutting edge.
  • the minimum chamfer width C in the linear cutting edge portion 4 is smaller than the chamfer width A. As a result, it becomes easier for the chips to flow toward the center side of the main cutting edge, and scraping of the chips in the vicinity of the front cutting edge can be suppressed.
  • the midpoint of the linear cutting edge part 4 or its vicinity becomes the minimum of the chamfering width C in the linear cutting edge part 4.
  • the ratio A / C of the chamfering width A to the chamfering width C is more preferably 1 or more and 1.3 or less. As a result, scraping of chips in the vicinity of the front cutting edge is further less likely to occur.
  • the chamfering width B is larger than the chamfering width C.
  • the connection point (part of the chamfering width B) between the arcuate cutting edge portion and the linear cutting edge portion is cut during the cutting process. It becomes easy to contact the work material. This increases the frictional resistance at the connection point, and chips flow in the direction of the front cutting edge when performing rough cutting.
  • the curl diameter of the chip is small and does not contact the vicinity of the front cutting edge. Therefore, although crater wear occurs on the rake face, it does not have a short life.
  • 3 (a) to 3 (c) are cross-sectional views schematically showing the cross-sections of the chamfering widths A, B, and C described above.
  • the chamfering width as shown in FIGS. 3A to 3C is obtained.
  • 3 (a) to 3 (c) show a honed cutting edge ridge line where the rake face 2 and the flank face 3 intersect, but a land surface or a negative land surface may be formed. Needless to say, it is good.
  • a conventionally known base material known as a base material for cutting tools can be used without particular limitation.
  • cemented carbide for example, WC base cemented carbide, including WC, including Co, or further including carbonitride such as Ti, Ta, Nb, etc.
  • cermet TiC, TiN, TiCN, etc.
  • High-speed steel, ceramics titanium carbide, silicon carbide, silicon nitride, aluminum nitride, aluminum oxide, and mixtures thereof), cubic boron nitride sintered body, diamond sintered body Etc. can be mentioned as examples of such a substrate.
  • a cemented carbide is used as such a base material, the effect of the present invention is exhibited even if such a cemented carbide contains an abnormal phase called free carbon or ⁇ phase in the structure.
  • these base materials may have a modified surface.
  • a de- ⁇ layer may be formed on the surface
  • a surface hardened layer may be formed. The effect of the invention is shown.
  • the coating film of the present invention is preferably composed of a single layer or a plurality of layers having a film thickness of 1 ⁇ m or more and 30 ⁇ m or less.
  • at least 1 layer which comprises a coating film is 1 or more types of elements chosen from the group which consists of a IVa group element of a periodic table, a Va group element, a VIa group element, and aluminum, carbon, nitrogen, oxygen, And a compound with one or more elements selected from the group consisting of boron and a solid solution of the compound.
  • Such a coating film of the present invention includes an aspect in which the entire surface of the substrate is coated, and also includes an aspect in which the coating film is not partially formed.
  • stacking aspect of a part differs is also included.
  • the coating film of this invention is the whole film thickness of 1 micrometer or more and 30 micrometers or less. If it is less than 1 ⁇ m, the abrasion resistance may be inferior, and if it exceeds 30 ⁇ m, the adhesion to the substrate and the fracture resistance may be reduced.
  • a particularly preferable film thickness of such a coating film is 5 ⁇ m or more and 20 ⁇ m or less. In addition, the same effect is shown even if two or more layers having the above composition are laminated on the coating film. The value measured by SEM shall be employ
  • said chamfering width A, B, C refers to the chamfering width of the substrate surface when the throw-away tip is made of only a base material, and when the throw-away tip is coated with a coating film.
  • the chamfering width of the surface of the coating film That is, the chamfering widths A, B, and C mean the chamfering width of the outermost surface of the throw-away tip.
  • FIG. 4 is a schematic side view showing a state when the throw-away tip of the present invention is chamfered.
  • a chamfering process with a chamfering width ratio A / B of 0.5 to 0.95 can be performed by chamfering the cutting edge by the method shown in FIG.
  • the chamfering process shown in FIG. 4 will be described.
  • the base material 1 is fixed with a throw-away tip fixing jig 9. Then, after adjusting the position of the brush so that the brush hits the linear cutting edge portion 4 of the base material 1 in the vertical direction, while rotating the brush 7, the front side of the paper surface in FIG. To move the brush 7.
  • the brush is uniformly applied to all the corner portions, it was impossible to perform the cutting edge processing to a desired size for each corner portion of the throw-away tip.
  • the edge can be processed to a desired (separate) size for each corner portion, and the angle of chamfering can be set. It also has the feature that it can be adjusted freely.
  • the shape of the corner portion can be optimized in accordance with applications having different required performance. Therefore, it is possible to provide a throw-away tip that can be used for a wide range of applications from roughing to finishing.
  • the cutting depth is an arc-shaped cutting blade. It is preferably 200% or more and 800% or less of the nose radius R of the portion (hereinafter, the cutting depth with respect to the nose radius R is also referred to as “cutting rate”).
  • the chamfering width B can be made larger than the chamfering width A and the chamfering width C by cutting at the above-mentioned cutting rate. If it is less than 200%, the chamfering width A of the arcuate cutting edge is smaller than the chamfering width C of the linear cutting edge, which is not preferable. On the other hand, if it exceeds 800%, the chamfering width C of the linear cutting edge portion is larger than the chamfering width B at the connection point between the arcuate cutting edge portion and the linear cutting edge portion. Absent. In addition, it is preferable that the rotation speed of said brush 7 is 500 rpm or more and 2000 rpm or less.
  • the throw-away tip produced by the above manufacturing method is continuously chamfered along the cutting edge, and the cutting edge includes an arcuate cutting edge part and a linear cutting edge part,
  • the ratio A / B of the chamfering width A at the midpoint of the arcuate cutting edge portion to the chamfering width B at the connection point between the arcuate cutting edge portion and the linear cutting edge portion in the rake face direction plan view is 0.5.
  • the chamfer width B is 0.95 or less, and the chamfer width B is the maximum chamfer width in the arcuate cutting edge portion.
  • Example 1 to 6 and Comparative Example 1 a base material made of cemented carbide having a model number of CNMG120408 with a nose radius of 0.8 mm and a material of P10 grade was used.
  • the base material was subjected to brush treatment under the conditions shown in “Chamfering conditions” in Table 1 to perform chamfering of the cutting edge of the base material.
  • the base material 1 was fixed with a throw-away tip fixing jig 9.
  • the position of the brush was adjusted so that the brush hits from the upper direction perpendicular to the linear cutting edge portion of the substrate 1 and at an angle of 10 ° from the linear cutting edge portion.
  • apply the brush to the cutting depth shown in the column of “cutting depth” in Table 1, and rotate the brush 7 at a rotational speed of 1500 rpm, while making the brush 7 parallel to the linear cutting edge. And moved at a speed of 7000 mm / min. In this way, the chamfering of the throw-away tip was performed.
  • a nylon fiber embedded with diamond abrasive grains was used as described above, a throw-away tip having a chamfering width shown in the column of “Chamfering Width” in Table 1 was produced.
  • Comparative Example 2 In Comparative Example 2, the same base material as in Example 1 was used, and after setting the base material 1 on the rotary jig 8 shown in FIG. 6, the rotary jig 8 was rotated at a rotational speed of 40 rpm. It was. Then, as shown in FIG. 5, the rotary jig 8 was chamfered from the upper surface of the base material 1 while rotating the brush 7 at a rotation speed of 450 rpm. The brush was brought into contact with the substrate with a cut width of 4 mm. In this way, a throw-away tip with a chamfer width shown in the column of “Chamfer Width” in Table 1 was produced.
  • Comparative Example 3 a throw-away tip was produced by the same method as Comparative Example 2 except that the shape of the rotating jig was different. Specifically, chamfering was performed using the rotating jig shown in FIG. 7 instead of the rotating jig shown in FIG.
  • the rotary jig shown in FIG. 7 has a recess having an elliptical diameter formed at the center thereof, and a brush treatment is performed after setting a base material thereon.
  • Example 7 to 12 and Comparative Examples 4 to 6 In Examples 7 to 12 and Comparative Examples 4 to 6, first, as a base material, as in Examples 1 to 6, the model number is CNMG120408 of ISO standard, and the nose R is 0.8 mm. Used was a P10 grade cemented carbide. And the base material and the plastic media which embedded the alumina abrasive grain were put in the barrel, and the chamfering process of the width
  • the base material which chamfered in this way was coat
  • a coating film is, in order from the substrate side, a TiN layer having a thickness of 0.5 ⁇ m, a TiCN layer having a thickness of 8.5 ⁇ m, a TiBN layer having a thickness of 0.7 ⁇ m, and an Al 2 O 3 layer having a thickness of 3.5 ⁇ m.
  • a five-layer structure of a layer and a TiN layer having a layer thickness of 1.0 ⁇ m was formed.
  • the base material covered with this coating film was chamfered with a throw-away tip by the same method as in Examples 1 to 6 as shown in FIG.
  • the cutting depth here is shown in the “cutting depth” column of Table 3, and the cutting rate is shown in the “cutting rate” column of Table 3.
  • a throw-away tip with a chamfering width shown in the column of “Chamfering Width” in Table 3 was produced.
  • a throw-away tip with a chamfering width shown in the “Chamfering Width” column of Table 3 was produced using the same rotating jig as in Comparative Examples 2 to 3 above.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Milling Processes (AREA)

Abstract

La présente invention porte sur une plaquette jetable (1) qui permet d'effectuer une coupe tout en évacuant les copeaux de façon appropriée même dans le cas d'un changement de la profondeur de coupe ou de la largeur de marge pour une pièce, la plaquette jetable (1) étant chanfreinée de façon continue le long de l'arête de coupe. La plaquette jetable (1) est caractérisée en ce que l'arête de coupe comprend une partie d'arête de coupe courbe (3) et une partie d'arête de coupe linéaire (4) ; lorsque la surface de coupe est vue de dessus, le rapport (A/B) d'une largeur chanfreinée (A) au milieu de la partie d'arête de coupe courbe à une largeur chanfreinée (B) au point de jonction entre la partie d'arête de coupe courbe et la partie d'arête de coupe linéaire est de 0,5-0,95 inclus ; et la largeur chanfreinée (B) est la largeur chanfreinée maximale de la partie d'arête de coupe courbe (3).
PCT/JP2011/061877 2010-08-17 2011-05-24 Plaquette jetable WO2012023325A1 (fr)

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Application Number Priority Date Filing Date Title
JP2012529509A JPWO2012023325A1 (ja) 2010-08-17 2011-05-24 スローアウェイチップ

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Application Number Priority Date Filing Date Title
JP2010-182267 2010-08-17
JP2010182267 2010-08-17

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WO2012023325A1 true WO2012023325A1 (fr) 2012-02-23

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015229240A (ja) * 2014-06-03 2015-12-21 サンドビック インテレクチュアル プロパティー アクティエボラーグ 切削工具の製造方法及び切削工具
EP3006140A1 (fr) * 2014-10-08 2016-04-13 Sandvik Intellectual Property AB Insert de tournage et outil de tournage
JP2019005888A (ja) * 2017-06-23 2019-01-17 株式会社タンガロイ 切削工具
WO2019026697A1 (fr) * 2017-08-02 2019-02-07 京セラ株式会社 Insert de coupe, outil de coupe et procédé de fabrication d'une pièce coupée
US20190061016A1 (en) * 2017-08-30 2019-02-28 Tungaloy Corporation Cutting tool
JP2019042916A (ja) * 2017-08-30 2019-03-22 株式会社タンガロイ 切削工具
US20190091772A1 (en) * 2017-09-28 2019-03-28 Tungaloy Corporation Cutting tool
WO2019069916A1 (fr) * 2017-10-02 2019-04-11 京セラ株式会社 Insert de coupe, outil de coupe et procédé de fabrication d'une pièce coupée
US20190168310A1 (en) * 2016-07-28 2019-06-06 Kyocera Corporation Cutting insert, cutting tool, and method of manufacturing machined product
EP3498405A1 (fr) * 2017-12-14 2019-06-19 Sandvik Intellectual Property AB Insert de filetage à bord arrondi variable
CN110035851A (zh) * 2017-10-31 2019-07-19 住友电工硬质合金株式会社 切削刀具
US20200130072A1 (en) * 2018-10-31 2020-04-30 Kyocera Corporation Cutting insert, cutting tool, and method for manufacturing machined product
CN111148590A (zh) * 2017-09-27 2020-05-12 京瓷株式会社 切削刀片、切削刀具以及切削加工物的制造方法

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JPS61159341A (ja) * 1984-12-28 1986-07-19 Mitsubishi Metal Corp ホ−ニングを有する多角形状のスロ−アウエイチツプの製造方法
JPS61178101A (ja) * 1985-01-31 1986-08-09 Sumitomo Electric Ind Ltd スロ−アウエイチツプ
JP2002192407A (ja) * 2000-12-26 2002-07-10 Ngk Spark Plug Co Ltd 切削工具

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61159341A (ja) * 1984-12-28 1986-07-19 Mitsubishi Metal Corp ホ−ニングを有する多角形状のスロ−アウエイチツプの製造方法
JPS61178101A (ja) * 1985-01-31 1986-08-09 Sumitomo Electric Ind Ltd スロ−アウエイチツプ
JP2002192407A (ja) * 2000-12-26 2002-07-10 Ngk Spark Plug Co Ltd 切削工具

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015229240A (ja) * 2014-06-03 2015-12-21 サンドビック インテレクチュアル プロパティー アクティエボラーグ 切削工具の製造方法及び切削工具
EP3006140A1 (fr) * 2014-10-08 2016-04-13 Sandvik Intellectual Property AB Insert de tournage et outil de tournage
WO2016055468A1 (fr) * 2014-10-08 2016-04-14 Sandvik Intellectual Property Ab Plaquette de coupe d'outil rotatif et outil rotatif
US11517965B2 (en) * 2016-07-28 2022-12-06 Kyocera Corporation Cutting insert, cutting tool, and method of manufacturing machined product
US20190168310A1 (en) * 2016-07-28 2019-06-06 Kyocera Corporation Cutting insert, cutting tool, and method of manufacturing machined product
JP2019005888A (ja) * 2017-06-23 2019-01-17 株式会社タンガロイ 切削工具
WO2019026698A1 (fr) * 2017-08-02 2019-02-07 京セラ株式会社 Plaquette de coupe, outil de coupe et procédé de fabrication de pièce coupée
US11420267B2 (en) 2017-08-02 2022-08-23 Kyocera Corporation Cutting insert, cutting tool, and method for manufacturing machined product
WO2019026697A1 (fr) * 2017-08-02 2019-02-07 京セラ株式会社 Insert de coupe, outil de coupe et procédé de fabrication d'une pièce coupée
CN111246954B (zh) * 2017-08-02 2021-12-28 京瓷株式会社 切削刀片、切削工具以及切削加工物的制造方法
JPWO2019026698A1 (ja) * 2017-08-02 2020-07-02 京セラ株式会社 切削インサート、切削工具及び切削加工物の製造方法
CN110944777A (zh) * 2017-08-02 2020-03-31 京瓷株式会社 切削刀片、切削工具以及切削加工物的制造方法
JPWO2019026697A1 (ja) * 2017-08-02 2020-06-18 京セラ株式会社 切削インサート、切削工具及び切削加工物の製造方法
CN111246954A (zh) * 2017-08-02 2020-06-05 京瓷株式会社 切削刀片、切削工具以及切削加工物的制造方法
JP2019042916A (ja) * 2017-08-30 2019-03-22 株式会社タンガロイ 切削工具
US10507530B2 (en) 2017-08-30 2019-12-17 Tungaloy Corporation Cutting tool
US20190061016A1 (en) * 2017-08-30 2019-02-28 Tungaloy Corporation Cutting tool
EP3450064A1 (fr) * 2017-08-30 2019-03-06 Tungaloy Corporation Outil de découpe
CN111148590B (zh) * 2017-09-27 2021-12-28 京瓷株式会社 切削刀片、切削刀具以及切削加工物的制造方法
US11701715B2 (en) 2017-09-27 2023-07-18 Kyocera Corporation Cutting insert, cutting tool, and method for manufacturing machined product
CN111148590A (zh) * 2017-09-27 2020-05-12 京瓷株式会社 切削刀片、切削刀具以及切削加工物的制造方法
US20190091772A1 (en) * 2017-09-28 2019-03-28 Tungaloy Corporation Cutting tool
WO2019069916A1 (fr) * 2017-10-02 2019-04-11 京セラ株式会社 Insert de coupe, outil de coupe et procédé de fabrication d'une pièce coupée
JPWO2019069916A1 (ja) * 2017-10-02 2020-10-15 京セラ株式会社 切削インサート、切削工具及び切削加工物の製造方法
CN110035851A (zh) * 2017-10-31 2019-07-19 住友电工硬质合金株式会社 切削刀具
WO2019115025A1 (fr) * 2017-12-14 2019-06-20 Sandvik Intellectual Property Ab Insert de filetage comportant une rondeur de bord variable
JP2021506599A (ja) * 2017-12-14 2021-02-22 サンドビック インテレクチュアル プロパティー アクティエボラーグ バリアブルなエッジ真円度を有するスレッディングインサート
EP3498405B1 (fr) 2017-12-14 2022-08-17 Sandvik Intellectual Property AB Insert de filetage à bord arrondi variable
CN111344095A (zh) * 2017-12-14 2020-06-26 山特维克知识产权股份有限公司 具有可变的刃圆曲度的螺纹刀片
EP3498405A1 (fr) * 2017-12-14 2019-06-19 Sandvik Intellectual Property AB Insert de filetage à bord arrondi variable
JP7231632B2 (ja) 2017-12-14 2023-03-01 サンドビック インテレクチュアル プロパティー アクティエボラーグ バリアブルなエッジ丸みを有するスレッディングインサート
US11772165B2 (en) 2017-12-14 2023-10-03 Sandvik Intellectual Property Ab Threading insert having variable edge roundness
CN111344095B (zh) * 2017-12-14 2023-10-20 山特维克知识产权股份有限公司 具有可变的刃圆曲度的螺纹刀片
US20200130072A1 (en) * 2018-10-31 2020-04-30 Kyocera Corporation Cutting insert, cutting tool, and method for manufacturing machined product

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