WO2014098226A1 - Plaquette de coupe, outil de coupe et procédé de fabrication d'un article coupé à l'aide de ceux-ci - Google Patents

Plaquette de coupe, outil de coupe et procédé de fabrication d'un article coupé à l'aide de ceux-ci Download PDF

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Publication number
WO2014098226A1
WO2014098226A1 PCT/JP2013/084281 JP2013084281W WO2014098226A1 WO 2014098226 A1 WO2014098226 A1 WO 2014098226A1 JP 2013084281 W JP2013084281 W JP 2013084281W WO 2014098226 A1 WO2014098226 A1 WO 2014098226A1
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WO
WIPO (PCT)
Prior art keywords
cutting
cutting edge
end side
rear end
insert according
Prior art date
Application number
PCT/JP2013/084281
Other languages
English (en)
Japanese (ja)
Inventor
晃 樽口
Original Assignee
京セラ株式会社
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 京セラ株式会社 filed Critical 京セラ株式会社
Priority to CN201380065526.1A priority Critical patent/CN104853867B/zh
Priority to JP2014553222A priority patent/JP6174602B2/ja
Publication of WO2014098226A1 publication Critical patent/WO2014098226A1/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
    • B23B27/22—Cutting tools with chip-breaking equipment
    • 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
    • B23B27/04—Cutting-off tools
    • B23B27/045—Cutting-off tools with chip-breaking arrangements
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/04—Overall shape
    • B23B2200/049—Triangular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/08—Rake or top surfaces
    • B23B2200/081—Rake or top surfaces with projections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/32—Chip breaking or chip evacuation
    • B23B2200/321—Chip breaking or chip evacuation by chip breaking projections
    • 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
    • B23B2200/369—Mounted tangentially, i.e. where the rake face is not the face with the largest area

Definitions

  • the present invention relates to a cutting insert, a cutting tool, and a manufacturing method of a cut product using the cutting tool.
  • the cutting head has an arc-shaped cutting edge at the intersection of the chip surface on the upper surface side and the flank surface on the side surface side. And in a chip surface, it has a pair of bump-shaped part so that the chip fracture
  • the insert having such a configuration, when grooving, the chips generated by the arc-shaped cutting blade are thick at the tip portion of the cutting blade and become thinner toward the rear end side. And since the curl diameter tends to become small in a thick part and the curl diameter tends to become large in a thin part, there exists a tendency for the cross-sectional shape of the chip
  • One of the problems of the present invention is to provide a cutting insert and a cutting tool that are excellent in chip dischargeability, and a method of manufacturing a cut product using the cutting insert and cutting tool.
  • a cutting insert includes an upper surface, a lower surface, a side surface connected to the upper surface and the lower surface, and a cutting portion having a cutting edge located at the intersection of the upper surface and the side surface, And a fixed portion positioned on the rear end side of the cutting portion when the cutting portion is viewed from above.
  • the cutting edge is located on the distal end side of the cutting portion and has an outwardly convex arc-shaped first cutting edge and a linear shape connected to both ends of the first cutting edge, respectively.
  • a pair of second cutting blades is provided.
  • the upper surface is positioned inward of the first cutting edge and is inclined downward toward the inner side, and is adjacent to the rear end side of the cutting portion with respect to the rake surface.
  • a breaker having a rising surface that is positioned and slopes upward toward the rear end side of the cutting portion.
  • the breaker has a width in a direction orthogonal to a virtual straight line extending from the rear end side of the cutting part toward the front end side toward the rear end side of the cutting part from both ends of the first cutting edge. Has the largest wide part.
  • FIG. 1 It is a perspective view which shows the cutting insert which concerns on one Embodiment of this invention. It is a figure which shows the cutting insert of FIG. 1, (a) is the figure seen from the outer surface side, (b) is the figure seen from the inner surface. It is a figure which shows the cutting insert of FIG. 1, (a) is the whole figure which looked at one cutting part from the upper surface, (b) is the elements on larger scale which show the cutting part of (a). It is the elements on larger scale which show the cutting part of the cutting insert of FIG.
  • FIG. 5 is a diagram showing each cross section in the cutting portion of FIG.
  • FIG. 4 is an enlarged cross-sectional view taken along the line AA
  • FIG. 5A is an enlarged cross-sectional view taken along line DD
  • FIG. 5B is an enlarged cross-sectional view taken along line EE
  • c) is an enlarged cross-sectional view taken along line FF.
  • 5A and 5B are diagrams showing respective cross sections in the cutting portion of FIG. 4, wherein FIG.
  • FIG. 5A is an enlarged cross-sectional view taken along line GG
  • FIG. 5B is an enlarged cross-sectional view taken along line HH
  • c) is an enlarged cross-sectional view taken along the line II.
  • FIG. 5A is an enlarged cross-sectional view taken along line GG
  • FIG. 5B is an enlarged cross-sectional view taken along line HH
  • c) is an enlarged cross-sectional view taken along the line II.
  • FIG. 5A is an enlarged cross-sectional view taken along line GG
  • FIG. 5B is an enlarged cross-sectional view taken along line HH
  • c) is an enlarged cross-sectional view taken along the line II.
  • a cutting insert 1 (hereinafter simply referred to as an insert 1) according to an embodiment of the present invention will be described with reference to FIGS.
  • the insert 1 is generally positioned on the rear end side of the cutting portion 1a when the cutting portion 1a and the cutting portion 1a are viewed from above as shown in FIG. 3 (a). And a fixing portion 1b fixed to the holder. Then, as shown in FIG. 1, the cutting portion 1 a is formed by cutting the upper surface 2, the lower surface 3, the side surface 4 connected to the upper surface 2 and the lower surface 3, and the intersection portion between the upper surface 2 and the side surface 4. A blade 5 is provided.
  • the insert 1 has a triangular plate shape as shown in FIGS. 1 and 2, and has cutting portions 1 a at the corners of the triangle, A fixed portion 1b is provided in a region between the three cutting portions 1a.
  • the diameter of a triangular inscribed circle is 9.52 to 12.7 mm
  • the side (blade width) is 0.33 to 5 mm
  • the height (thickness) is 3 to 5 mm. be able to.
  • the insert 1 is preferably made of a sintered body such as cemented carbide, cermet, or ceramic coated with a film. This film is for improving the wear resistance of the insert 1.
  • the film composition include titanium compounds such as titanium carbide, titanium nitride, and titanium carbonitride, and alumina.
  • the film may be at least one layer and may be composed of a plurality of layers.
  • the insert 1 may be made of a sintered body that is not covered with a film.
  • the insert 1 according to the present embodiment is an insert 1 that can be used for turning such as inner diameter grooving (inner diameter processing), outer diameter grooving (outer diameter processing), and parting off. is there.
  • inner diameter grooving inner diameter processing
  • outer diameter grooving outer diameter processing
  • parting off is there.
  • the cutting part 1a is a main part that generates and discharges chips during cutting, and as shown in FIG. 3 and the like, the part on the tip 1af side of the cutting part 1a has an arc shape when viewed from above.
  • the cutting blade 5 has a main role in cutting the work material, and is located at the intersection of the upper surface 2 and the side surface 4 as described above.
  • the cutting blade 5 includes an outwardly convex arc-shaped first cutting blade 5a located on the tip 1af side of the cutting portion 1a in top view. And a pair of second cutting blades 5b having a linear shape respectively connected to both ends of the first cutting blade 5a.
  • the pair of second cutting edges 5b may be configured not to be parallel to each other when viewed from above. As shown in FIG. 3, it is preferable that the pair of second cutting blades 5b approach each other toward the rear end side.
  • the first cutting edge 5a and the second cutting edge 5b are located with the line L5 in FIG. 3B as a boundary.
  • the first cutting edge 5a and the second cutting edge 5b generally have an EE cross section line in FIG. 4 as a boundary.
  • the cutting blade 5 Since the cutting blade 5 according to the present embodiment has such a configuration, it performs turning such as inner grooving (inner diameter processing), outer grooving (outer diameter processing), and parting off. At this time, the work material is mainly cut using the first cutting edge 5a.
  • the upper surface 2 has lands 7 and breakers 6 (a rake surface 61 and a rising surface 62) positioned inward of the cutting edge 5 in a top view.
  • “inward” in this specification means the center side of the cutting portion 1a when the cutting portion 1a is viewed from above.
  • the land 7 is configured to mainly reinforce the cutting edge 5 and is located in a narrow area along the first cutting edge 5a as shown in FIGS. 3 and 5 to 7.
  • the land 7 is located between the first cutting edge 5a and the rake face 61 and continuously to the first cutting edge 5a, and is separated from the first cutting edge 5a as shown in FIG. Accordingly, it is inclined at an inclination angle ⁇ 1 with respect to the reference line S1a. It is preferable that the inclination angle ⁇ 1 of the land 7 and the inclination angle ⁇ 2 of the rake face 61 satisfy the relationship of ⁇ 1 ⁇ 2.
  • the land 7 is inclined downward as it is away from the first cutting edge 5a.
  • the inclination angle ⁇ 1 of the land 7 is preferably set to 0 to 25 °, for example.
  • the length of the land 7 that is the distance between the first cutting edge 5a and the breaker 6 is the center 5af of the first cutting edge 5a. Is the shortest in the continuous part.
  • the center 5af of the first cutting edge 5a is located on the most distal end side in the cutting portion 1a. Therefore, the center 5af of the first cutting edge 5a can be said to be the tip of the first cutting edge 5a.
  • inclination angle means an angle inclined with respect to a predetermined reference line (surface) S1a as shown in FIG. More specifically, as shown in FIG. 10, the angle of inclination of the holder 21 to which the insert 1 is attached with respect to a reference line (surface) S1a parallel to the holder lower surface 213 in a state where the lower surface 213 of the holder 21 is left stationary. means. Then, it is determined that a so-called positive slope is positive and a so-called negative slope is negative.
  • the breaker 6 is configured to have a role of adding deformation such as curling or squeezing in the width direction to chips generated mainly by the cutting blade 5 and discharging them to the outside.
  • the breaker 6 is positioned on the inside of the first cutting edge 5a, and a rake face 61 that is inclined downward as it goes inward. It has a rising surface 62 which is located adjacent to the rear end side of the surface 61 and which is inclined upward toward the rear end side.
  • the boundary Bo between the rake face and the rising face is shown.
  • the boundary Bo has a curved shape that is convex toward the center 5af of the first cutting edge 5a in a top view, as shown in FIG.
  • the breaker 6 is a back end side of the cutting part 1a in the rear end side of the cutting part 1a rather than the both ends of the 1st cutting blade 5a in top view.
  • the wide portion 6W having the largest width in the direction orthogonal to the imaginary straight line X extending toward the distal end side is provided.
  • the width (length) in the direction orthogonal to the virtual straight line X means the distance in the direction orthogonal to the virtual straight line X.
  • the direction extending from the rear end side to the front end side of the cutting portion 1a which is the direction in which the virtual straight line X extends, means the direction in which the cutting portion 1a protrudes with reference to the fixed portion 1b in the cutting insert 1. Yes.
  • the cutting portion 1a protrudes in a direction parallel to the outer surface 11b and the inner surface 12b of the fixed portion 1b shown in FIG. Therefore, when viewed from above, the direction in which the virtual straight line X extends is parallel to the outer surface 11b and the inner surface 11a.
  • the direction orthogonal to the virtual straight line X is orthogonal to the outer surface 11b and the inner surface 11a.
  • the insert 1 according to the present embodiment can exhibit excellent dischargeability with respect to chips generated by the outwardly convex arc-shaped first cutting edge 5a.
  • the breaker 6 has a length in the direction along the imaginary straight line X on the rear end side with respect to the center 5af of the first cutting edge 5a as viewed from above. It is the structure which becomes small as it goes to the part located in the rear-end side with respect to the both ends of the 1st cutting blade 5a from the existing part.
  • the center 5af of the first cutting edge 5a is the same part as the tip of the first cutting edge 5a. Thereby, it can be made to change to a big diameter with respect to the thick part of center 5af among chips, and can be made to change to a small diameter with respect to the thin part of both ends. Therefore, it becomes possible to discharge
  • the length in the direction along the imaginary straight line X is the rear end side with respect to the center 5af of the first cutting edge 5a in the top view in both the rake face 61 and the rising face 62. It becomes small as it goes to the part located in the rear-end side with respect to the both ends of the 1st cutting blade 5a from the part located in this. Thereby, the above-mentioned chip discharge
  • the breaker 6 passes through the center 5af of the first cutting edge 5a and is parallel to the imaginary straight line X in the top view, on the straight line, the lowest part (lowest part) 6L and the highest part (highest part) 6H. have.
  • the chip can be deformed to a large diameter with respect to the thick part at the center, and can be deformed to a small diameter with respect to the thin part at both ends. It is possible to discharge to the outside.
  • the virtual straight line X is positioned so as to include the center 5af of the first cutting edge 5a, in the top view, the lowest part (lowest part) 6L and the highest part (most) 6H is located on the imaginary straight line X.
  • “high” in the present specification means the relationship between the vertical positions when the insert 1 is attached to the holder and the lower surface of the holder is left as a placement surface.
  • “low” is a concept opposite to “high”.
  • the rake face 61 is configured to have a role of mainly rubbing chips generated by the cutting blade 5 and flowing backward, and as shown in FIG. 6, the rake face 61 is positioned along the cutting blade 5 and inclines as it goes inward. It is inclined at ⁇ 2. In the present embodiment, as shown in FIG. 6, the rake face 61 is inclined downward with respect to a reference line S1a described later as the distance from the first cutting edge 5a increases.
  • the inclination angle ⁇ 2 is preferably set to 5 to 30 °, for example.
  • the boundary between the rising surface 62 and the rake face 61 is a straight line that passes through the center 5af of the first cutting edge 5a and is orthogonal to the virtual straight line X when viewed from above as shown in FIG.
  • the distance from X ′ is positioned so as to increase as the distance from the portion located behind the center 5af of the first cutting edge 5a increases. That is, the distance in the direction perpendicular to the tangent to the center 5af of the first cutting edge 5a has such a relationship.
  • the rising surface 62 has a length in a direction along the virtual straight line X when viewed from above, from a portion located behind the center 5af of the first cutting edge 5a. It becomes small as it goes to the part located in the back of the both ends of the 1st cutting blade 5a.
  • At least a part of the rising surface 62 may be higher than the first cutting edge 5a.
  • the inclination angle ⁇ 2 of the rake face 61 is preferably smaller than the inclination angle ⁇ 3 of the rising face 62.
  • the side surface 4 is connected to the upper surface 2 and the lower surface 3 as shown in FIG.
  • the side surface 4 is inclined inwardly from the upper surface 2 side toward the lower surface 3 side, and is a relief for avoiding contact with the work material. It has a role as a surface.
  • the lower surface 3 is located on the opposite side of the upper surface 2 across the side surface 4.
  • the lower surface 3 is also inclined inwardly from the upper surface 2 side toward the lower surface 3 side, as shown in FIGS. 5 and 6, to avoid contact with the work material. It has a role as a flank.
  • the lower surface 3 is planar and extends toward the adjacent cutting portion. As shown in FIG. 9, the lower surface 3 serves as a portion in contact with the holder 21 when the insert 1 is fixed to the holder 21.
  • the fixing part 1b is a part mainly having a role for fixing the insert 1 to the holder, and as shown in FIG. 1 and FIG. 2, three cuttings respectively located at the triangular corners of the insert 1 It is located in the area between the parts 1a.
  • the fixing portion 1b is located on the rear end side of each cutting portion 1a.
  • the fixing portion 1b has an outer surface 11b continuous to the side surface 4 of the cutting portion 1a and an inner surface 12b located on the opposite side of the outer surface 11b.
  • the inner surface 12 b of the fixing portion 1 b contacts the holder 21.
  • a surface obtained by extending the lower surface 3 of the cutting portion 1 a is also in contact with the holder 21.
  • fixed part 1b has the through-hole 8 penetrated in a substantially perpendicular direction with respect to the outer surface 11b, as shown in FIG.
  • the cutting tool 20 includes an insert 1 and a holder 21 to which the insert 1 is attached at the tip.
  • the insert 1 is attached to the holder 21 so that the cutting edge 5 protrudes from the tip of the holder 21.
  • the attachment of the insert 1 to the holder 21 is performed by inserting a screw 22 from the through hole 8 of the insert 1 to a screw hole provided in the holder 21.
  • the insert 1 is pressed and restrained by adjusting the restraining force with the screw 22.
  • a method of constraining the insert from the inner wall of the hole of the insert by the lever action of a substantially L-shaped lever by drilling a hole in the insert, or the shaft portion and the head may be attached to the holder by using a pin that is eccentric and using a hole formed in the insert to restrain the insert.
  • the manufacturing method of the cut workpiece according to the present embodiment performed using the cutting tool 20 includes the following steps (i) to (iii).
  • the work material 100 and the cutting tool 20 may be relatively close to each other.
  • the work material 100 may be close to the cutting tool 20.
  • the work material 100 and the cutting tool 20 need only be relatively distant from each other.
  • the work material 100 may be kept away from the cutting tool 20.
  • the process of bringing the cutting blade 5 of the cutting tool 20 into contact with a different portion of the work material 100 may be repeated while the work material 100 is kept rotated.
  • the insert 1 has three corners as described above. Therefore, when the cutting blade 5 of the cutting part used is worn, the cutting blade 5 of another unused cutting part may be used.
  • the insert according to the above-described embodiment is a so-called vertical type in which the through-hole penetrates between the outer surface and the inner surface that are continuous with the second cutting edge of the cutting portion.
  • the insert is shown in FIG.
  • the upper surfaces of the three cutting parts 1a may be formed in the same direction, and the through-hole 8 may penetrate from the upper surface side to the lower surface side of the cutting part 1a.
  • the insert when attaching the insert to the holder, the insert is placed on the upper surface of the holder, and a screw is inserted from the through hole 8 penetrating from the upper surface side to the lower surface side of the cutting portion 1a of the insert toward the lower surface side of the holder. Fix by doing.
  • the rake face in the wide part of the breaker is used in the width direction. It can be squeezed and curled to a small diameter by the rising surface of the breaker. Therefore, it is possible to exhibit excellent discharge performance with respect to chips generated by the outwardly convex curved first cutting edge. Also in this insert 1, the three cutting parts 1a are rotationally symmetric about the center of the through hole 8.
  • the land is provided on the upper surface along the cutting edge.
  • the land may not be provided.
  • the rake face may be configured to be continuous with the first cutting edge. According to this, cutting resistance can be reduced more.

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

Abstract

L'invention concerne une plaquette de coupe comportant une partie de coupe ayant une surface supérieure, une surface inférieure, une surface latérale raccordée à la surface supérieure et à la surface inférieure, et une lame de coupe située au niveau de la ligne de croisement entre la surface supérieure et la surface latérale, la lame de coupe comportant une première lame de coupe qui est située sur le côté pointe de la partie de coupe et qui a une forme arquée faisant saillie vers l'extérieur lorsque vue de dessus, la surface supérieure comportant un brise-copeaux qui a une surface d'attaque située à l'intérieur de la première lame de coupe et inclinée vers le bas vers l'intérieur, et une surface montante située de manière adjacente par rapport à la surface d'attaque sur le côté d'extrémité arrière et inclinée vers le haut vers le côté d'extrémité arrière, et lorsque vu de dessus, le brise-copeaux ayant, sur le côté d'extrémité arrière par rapport aux deux extrémités de la première lame de coupe, une partie large ayant une plus grande largeur dans la direction orthogonale par rapport à une ligne droite virtuelle s'étendant depuis le côté d'extrémité arrière jusqu'au côté de la pointe de la partie de coupe.
PCT/JP2013/084281 2012-12-21 2013-12-20 Plaquette de coupe, outil de coupe et procédé de fabrication d'un article coupé à l'aide de ceux-ci WO2014098226A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201380065526.1A CN104853867B (zh) 2012-12-21 2013-12-20 切削镶刀、切削工具以及使用该切削工具的切削加工物的制造方法
JP2014553222A JP6174602B2 (ja) 2012-12-21 2013-12-20 切削インサート、切削工具およびそれを用いた切削加工物の製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-279202 2012-12-21
JP2012279202 2012-12-21

Publications (1)

Publication Number Publication Date
WO2014098226A1 true WO2014098226A1 (fr) 2014-06-26

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PCT/JP2013/084281 WO2014098226A1 (fr) 2012-12-21 2013-12-20 Plaquette de coupe, outil de coupe et procédé de fabrication d'un article coupé à l'aide de ceux-ci

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JP (1) JP6174602B2 (fr)
CN (1) CN104853867B (fr)
WO (1) WO2014098226A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN109641280A (zh) * 2016-08-19 2019-04-16 京瓷株式会社 切削工具以及使用该切削工具的切削加工物的制造方法
JP2021007991A (ja) * 2019-06-28 2021-01-28 株式会社タンガロイ 切削インサート及び切削工具
JP2022030438A (ja) * 2020-08-07 2022-02-18 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

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JP6828336B2 (ja) * 2016-09-16 2021-02-10 株式会社ジェイテクト 加工方法

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WO2012060173A1 (fr) * 2010-11-04 2012-05-10 京セラ株式会社 Pièce rapportée de coupe, outil de coupe, et procédé pour fabriquer un produit coupé utilisant ceux-ci

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Publication number Priority date Publication date Assignee Title
JP2000084706A (ja) * 1998-09-17 2000-03-28 Hitachi Tool Engineering Ltd スローアウェイチップ
JP2001038507A (ja) * 1999-07-29 2001-02-13 Toshiba Tungaloy Co Ltd スローアウェイチップ
JP2002079407A (ja) * 2000-07-03 2002-03-19 Valenite Inc 切削用工具及び切削用インサートの位置付け方法
JP2012501864A (ja) * 2008-09-11 2012-01-26 イスカーリミテッド 切削工具およびそのための切削チップ
WO2012060173A1 (fr) * 2010-11-04 2012-05-10 京セラ株式会社 Pièce rapportée de coupe, outil de coupe, et procédé pour fabriquer un produit coupé utilisant ceux-ci

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109641280A (zh) * 2016-08-19 2019-04-16 京瓷株式会社 切削工具以及使用该切削工具的切削加工物的制造方法
CN109641280B (zh) * 2016-08-19 2020-08-14 京瓷株式会社 切削工具以及使用该切削工具的切削加工物的制造方法
JP2021007991A (ja) * 2019-06-28 2021-01-28 株式会社タンガロイ 切削インサート及び切削工具
JP2022030438A (ja) * 2020-08-07 2022-02-18 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
JP7417494B2 (ja) 2020-08-07 2024-01-18 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

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