WO2022097565A1 - インサートおよび切削工具 - Google Patents

インサートおよび切削工具 Download PDF

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Publication number
WO2022097565A1
WO2022097565A1 PCT/JP2021/039812 JP2021039812W WO2022097565A1 WO 2022097565 A1 WO2022097565 A1 WO 2022097565A1 JP 2021039812 W JP2021039812 W JP 2021039812W WO 2022097565 A1 WO2022097565 A1 WO 2022097565A1
Authority
WO
WIPO (PCT)
Prior art keywords
groove
insert
end portion
face
cutting edge
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2021/039812
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
充 長谷川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Corp
Original Assignee
Kyocera Corp
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 Kyocera Corp filed Critical Kyocera Corp
Priority to US18/251,399 priority Critical patent/US20240066606A1/en
Priority to JP2022560743A priority patent/JP7598944B2/ja
Publication of WO2022097565A1 publication Critical patent/WO2022097565A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B23B27/143—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness characterised by having chip-breakers
    • 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
    • B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
    • B23B27/1603—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with specially shaped plate-like exchangeable cutting inserts, e.g. chip-breaking groove
    • B23B27/1611—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with specially shaped plate-like exchangeable cutting inserts, e.g. chip-breaking groove characterised by having a special shape
    • 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
    • B23B27/10—Cutting tools with special provision for cooling
    • 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
    • B23B2200/0471—Square
    • 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
    • B23B2200/32—Chip breaking or chip evacuation
    • B23B2200/325—Chip breaking or chip evacuation by multiple chip-breaking grooves

Definitions

  • This disclosure relates to inserts and cutting tools.
  • Cemented carbide, cermet, and ceramics are used as inserts for cutting tools because they are materials with excellent heat resistance and wear resistance. Since the insert comes into contact with the work material at high speed during use, the temperature rises.
  • Patent Document 1 provides a plurality of grooves functioning as a flow path for the coolant on the rake face of the insert. Further, in Japanese Patent No. 4275856 (Patent Document 2), the groove provided on the upper surface has a constant groove depth.
  • the inserts of the present disclosure are located on at least part of the ridgeline of the first surface, the second surface connected to the first surface, the third surface located on the opposite side of the first surface, and the first and second surfaces. It has a cutting edge and a convex portion located inside the first surface of the cutting edge.
  • the first surface has a groove extending from the first end closest to the cutting edge toward the second end farthest from the cutting edge at a position away from the ridge and overlapping the convex portion.
  • the groove has an opening located on the first surface and a bottom surface.
  • the range from the top of the convex portion to the first end on the first plane is the breaker region, and the virtual straight line passing through the center of the first plane and the center of the third plane is the central axis, which is orthogonal to the central axis and is the first.
  • the circuit breaker region has an inclined portion in which the bottom surface is inclined so as to approach the reference plane toward the first end portion.
  • the cutting tool of the present disclosure has a length extending from the first end to the second end, and has a holder having a pocket located on the side of the first end and the above-mentioned insert located in the pocket.
  • FIG. It is a perspective view which shows an example of the insert of this disclosure. It is a top view of the insert shown in FIG. It is an enlarged view in the vicinity of the corner portion in the insert shown in FIG. It is sectional drawing of the IV-IV cross section in the insert shown in FIG. It is the same sectional view as FIG. It is a perspective view which shows an example of the insert of this disclosure. It is a top view of the insert shown in FIG. It is a perspective view which shows an example of the insert of this disclosure. It is a top view of the insert shown in FIG. It is a perspective view which shows an example of the insert of this disclosure. It is a top view of the insert shown in FIG. It is a perspective view which shows an example of the insert of this disclosure. It is a top view of the insert shown in FIG. It is a top view which shows an example of the cutting tool of this disclosure. It is a top view which shows an example of the cutting tool of this disclosure.
  • the insert 1 shown in FIGS. 1 to 5 is an example of a cutting insert with a replaceable cutting edge, which is attached to a predetermined position at the tip of a holder (not shown) and used.
  • the insert 1 may be paraphrased as a cutting insert 1.
  • the insert 1 may have a substrate 3 made of cemented carbide, cermet, or the like.
  • the insert 1 may include a substrate 3 made of a so-called cemented carbide containing WC and Co, Ni, and Fe which are bonding phases. When such a substrate 3 is used, it is excellent in welding resistance to a metal containing Ti.
  • the WC is WC particles.
  • the WC particles may have, for example, an average particle size of 0.5 ⁇ m to 1.5 ⁇ m.
  • the substrate 3 may contain 4 to 12% by mass of the bound phase.
  • the substrate 3 may have only WC as the balance other than the bound phase.
  • the substrate 3 may contain a hard phase containing WC and a bound phase containing Co. In the present disclosure, when the range is indicated, such as 4 to 12% by mass, it means the value of the lower limit or more and the value of the upper limit or less.
  • the insert 1 may have a polygonal plate shape, and may have a first surface 5 and a second surface 7 connected to the first surface 5. Further, the insert 1 may have a square shape when the first surface 5 is viewed in a plan view.
  • the insert 1 may have a cutting edge 11 located at least a part of the ridge line 9 of the first surface 5 and the second surface 7.
  • the first surface 5 corresponds to the rake surface 5, and the second surface 7 corresponds to the flank surface 7.
  • the first surface 5 may be provided with a through hole 13 that vertically penetrates the insert 1 in order to fix the insert 1 to a holder described later.
  • the cutting edge 11 may be located at least in a part of the ridge line 9, may be located in a portion corresponding to two sides, and may be located in an annular shape over the entire outer peripheral portion of the first surface 5. May be.
  • the insert 1 may have a third surface 15 located on the opposite side of the first surface 5.
  • the first surface 5 is called the “upper surface”
  • the second surface 7 is called the “side surface”
  • the third surface 15 is called the “lower surface”.
  • the insert 1 may have a convex portion 17 located inside the first surface 5 with respect to the cutting edge 11.
  • the convex portion 17 can control the flow direction of chips generated by the cutting edge 11. Further, the convex portion 17 can exert a chip dividing effect.
  • the convex portion 17 is also called a breaker protrusion.
  • the size of the insert 1 is not particularly limited, but for example, the length of one side of the first surface 5 is set to about 5 to 20 mm, and the height from the first surface 5 to the third surface 15 is set. It is set to about 3 to 20 mm.
  • the first surface 5 may have a groove 19.
  • the groove 19 can function as a flow path for the coolant.
  • the number of grooves 19 may be one or a plurality.
  • the groove 19 extends from the first end 19a closest to the cutting edge 11 toward the second end 19b farthest from the cutting edge 11 at a position away from the ridge line 9 and overlapping the convex portion 17. May be. With such a configuration, when the coolant is supplied toward the cutting edge 11, the groove 19 serves as a flow path for the coolant, and the coolant can be discharged from the groove 19. Further, since the groove 19 is not connected to the ridge line 9, the cutting edge 11 is excellent in fracture resistance.
  • the groove 19 may be separated from the ridge line 9 within a range of 40 ⁇ m or more and 700 ⁇ m or less from the ridge line 9.
  • the distance between the groove 19 and the ridge line 9 may be 40 ⁇ m or more and 700 ⁇ m or less.
  • the cutting edge 11 is less likely to be damaged.
  • the distance between the groove 19 and the ridge line 9 is 700 ⁇ m or less, the cooling effect of the cutting edge 11 is enhanced, and the cutting resistance can be easily reduced.
  • the distance between the groove 19 and the ridge line 9 may be 50 ⁇ m or more and 120 ⁇ m or less. With such a configuration, the cutting edge 11 of the insert 1 is less likely to be damaged, and the cutting resistance is small. As the distance between the groove 19 and the ridge line 9, the shortest distance between the groove 19 and the ridge line 9 may be measured.
  • the groove 19 may have an opening 21 located on the first surface 5 and a bottom surface 23.
  • the range from the top 25 of the convex portion 17 to the first end 19a on the first surface 5 may be the breaker region 27.
  • a virtual straight line passing through the center of the first surface 5 and the center of the third surface 15 may be used as the central axis O of the insert 1.
  • a virtual plane orthogonal to the central axis O and located between the first plane 5 and the third plane 15 may be used as the reference plane S.
  • the bottom surface 23 may have an inclined portion 29 that is inclined so as to approach the reference plane S toward the first end portion 19a.
  • the coolant in the breaker region 27, the coolant can be vigorously flowed along the inclined portion 29, so that chips are easily pushed out by the coolant. Therefore, it is possible to enhance the chip pushing effect (pushing effect) when the chips come into contact with the convex portion 17.
  • low carbon steels such as SCr420 and S10C are easily welded by chips.
  • welding is the starting point, and the insert 1 is likely to be chipped or chipped.
  • it is possible to reduce the chipping and chipping of the insert 1 due to welding by enhancing the effect of pushing out the chips by the convex portion 17 and reducing the welding of the chips. Therefore, since the insert 1 has excellent durability, it is possible to perform stable cutting for a long period of time.
  • the cutting speed (Vc) should be set to 200 m / min
  • the feed rate (f) should be set to 0.2 mm / rev
  • the cutting (ap) should be set to 1.0 mm. Is possible.
  • the work material is S10C, it is possible to set Vc to 250 m / min, f to 0.2 mm / rev, and ap to 1.5 mm.
  • the convex portion 17 is inclined toward the reference plane S from the top portion 25 toward the first end portion 19a. It may have a wall portion 31 which is present. Further, in the cross section along the extending direction of the groove 19, the inclined portion 29 may have a portion inclined at the same angle as the outer edge 31a of the wall portion 31. With such a configuration, chips are drawn into the groove, stable chip control is possible, and the inclined portion 29 has a shape along the convex portion 17, so that the chips are pushed out by the coolant. It will be easier.
  • the inclined portion 29 may be inclined as a whole at the same angle as the outer edge 31a of the wall portion 31, as in the case of the unrestricted example shown in FIG.
  • the distance from the bottom surface 23 to the opening 21 may be the groove depth D.
  • the width of the opening 21 in the direction orthogonal to the extending direction of the groove 19 may be the opening width W.
  • the ratio of the groove depth D to the opening width W may be 0.2 to 5.0.
  • the ratio value is 0.2 or more, chips are less likely to enter the groove 19. Therefore, it is easy to secure the function of the cooling liquid in the groove 19 as a flow path in the inclined portion 29.
  • the ratio value is 5.0 or less, the flow velocity of the coolant is unlikely to decrease in the inclined portion 29. Therefore, it is easy to enhance the effect of pushing out chips by the convex portion 17. In addition, it is easy to maintain the cooling effect.
  • the groove depth D and the opening width W are not limited to specific values.
  • the groove depth D may be set to about 40 ⁇ m or more and 700 ⁇ m or less.
  • the opening width W may be set to about 40 ⁇ m or more and 700 ⁇ m or less.
  • the groove depth D may be evaluated by the dimension between the bottom surface 23 and the opening 21 in the virtual straight line L1 orthogonal to the reference plane S.
  • the groove 19 may have a region in the breaker region 27 in which the ratio (groove depth D / opening width W) increases from the side of the second end portion 19b toward the side of the first end portion 19a. .. With such a configuration, it is easy to enhance the effect of pushing out chips by the convex portion 17 while ensuring the function as a flow path of the coolant in the groove 19. In addition, it is easy to enhance the cooling effect.
  • the inclined portion 29 may be located closer to the second end portion 19b than the base end portion 33 on the side of the first end portion 19a in the convex portion 17. With such a configuration, it is easy to enhance the chip pushing effect when the chips come into contact with the convex portion 17.
  • the base end portion 33 may mean a root portion of the convex portion 17.
  • the first end portion 19a may be located closer to the cutting edge 11 than the base end portion 33 on the side of the first end portion 19a in the convex portion 17. With such a configuration, since the first end portion 19a is located near the cutting edge 11, it is possible to enhance the cooling effect in the vicinity of the cutting edge.
  • the bottom surface 23 may have an inclined portion 35 inclined so as to move away from the reference surface S toward the first end portion 19a.
  • the inclined portion 29 may be referred to as a first inclined portion 29
  • the inclined portion 35 may be referred to as a second inclined portion 35.
  • the second inclined portion 35 may be located closer to the first end portion 19a than the first inclined portion 29. With such a configuration, the coolant is likely to be vigorously discharged from the groove 19.
  • the second inclined portion 35 may be located closer to the cutting edge 11 than the base end portion 33 on the side of the first end portion 19a in the convex portion 17.
  • the portion 37 of the bottom surface 23 closest to the reference surface S may be located between the first inclined portion 29 and the second inclined portion 35.
  • the bottom surface 23 may have a roundness with a radius R of 20 ⁇ m or more and a radius of 500 ⁇ m or less from the portion 37 closest to the reference surface S to the second inclined portion 35 in the bottom surface 23. With such a configuration, the flow of the coolant is less likely to be obstructed.
  • the second inclined portion 35 may be connected to the portion 37 via a roundness having a radius R of 20 ⁇ m or more and a radius of 500 ⁇ m or less. Further, the first inclined portion 29 may be directly connected to the portion 37.
  • the bottom surface 23 may have a portion 39 located closer to the second end portion 19b than the first inclined portion 29 and parallel to the reference plane S.
  • the first inclined portion 29 may be connected to the portion 39.
  • the groove 19 may have an end surface connecting the end portion of the portion 39 on the side of the second end portion 19b and the second end portion 19b. This end face may be parallel to the central axis O.
  • the second end portion 19b is not limited to the configuration connected to the above-mentioned end face.
  • the second end 19b may be open so as to communicate with a space such as a recess, for example.
  • the groove 19 may have a side wall surface 41 extending from the bottom surface 23 to the opening 21.
  • the surface roughness of the side wall surface 41 may be R1 and the surface roughness of the bottom surface 23 may be R2.
  • R1 may be Ra3.0 ⁇ m or less, and R1> R2 may be satisfied. With such a configuration, the surface area on the side wall surface 41 increases, the cooling effect is enhanced, and the roughness is different, so that turbulence is likely to occur.
  • the lower limit value of R1 may be Ra 0.5 ⁇ m.
  • R2 may be set to Ra 0.2 ⁇ m or more and Ra 2.5 ⁇ m or less.
  • the surface roughness may be evaluated by, for example, the arithmetic mean roughness (Ra).
  • the arithmetic mean roughness (Ra) may be measured according to, for example, JIS B 0601-2013.
  • the roundness of the first end portion 19a may be a radius R of 20 ⁇ m or more and a radius of 100 ⁇ m or less.
  • the first surface 5 may have a corner portion 45.
  • the convex portion 17 may extend along the bisector of the corner portion 45.
  • the groove 19 may extend along the bisector of the corner portion 45.
  • the groove 19 may be located on the bisector of the corner portion 45.
  • the insert 1 may be provided with, for example, a coating layer (not shown) containing a TiCN layer (not shown) or an Al 2O 3 layer (not shown) on the surface of the substrate 3. Further, the insert 1 may have the substrate 3 exposed at least in a region near the cutting edge 11 and the groove 19 on the first surface 5. In other words, the coating layer may not be present on the surface of the substrate 3 in the vicinity of the cutting edge 11 and the groove 19 on the rake face 5.
  • the shape of the groove 19 (hereinafter, also referred to as the cross-sectional shape of the groove 19) may be such that the opening width W is wider than the width of the bottom surface 23.
  • the cross-sectional shape of the groove 19 may be, for example, a semicircular shape, a triangular shape, or a trapezoidal shape.
  • the insert 1 having such a groove 19 on the rake face 5 is formed into the groove 19 in the insert 1 by, for example, drilling or laser light after producing an insert-shaped cemented carbide without the groove 19.
  • a groove 19 may be formed on the rake face 5.
  • the insert 1 can also be obtained by producing a molded body having a concave portion that becomes the groove 19 after firing using a mold having a convex portion corresponding to the groove 19, and firing the molded body.
  • inserts 1a to 1c of the present disclosure will be described with reference to FIGS. 6 to 11.
  • the differences between the inserts 1a to 1c and the insert 1 will be mainly described, and detailed description of the points having the same configuration as the insert 1 may be omitted.
  • the convex portion 17 in the insert 1b may have a shape as shown in FIGS. 8 and 9 as an example without limitation.
  • the convex portion 17 in the insert 1c may be positioned in an annular shape along the outer peripheral portion of the first surface 5 as in the non-limiting example shown in FIGS. 10 and 11.
  • the cutting tool 101 has a length extending from the first end 105a (upper end in FIG. 12) to the second end 105b (lower end in FIG. 12), as in the non-limiting example shown in FIG. It may have a holder 105 having a pocket 103 located on the side and the above-mentioned insert 1 located in the pocket 103.
  • the cutting tool 101 has the insert 1, it has excellent durability and can perform stable cutting for a long period of time.
  • the description of the convex portion 17 and the groove 19 is omitted.
  • the case where the shape when the first surface 5 is viewed in a plan view is a rhombus shape is illustrated. These points are the same in FIG. 13, which will be described later.
  • the holder 105 may be a rod-shaped body extending from the first end 105a toward the second end 105b.
  • the first end 105a is called the "tip" and the second end 105b is called the "rear end”.
  • the length from the first end 105a to the second end 105b is not limited to a specific value.
  • the length from the first end 105a to the second end 105b may be set to about 100 to 250 mm.
  • the pocket 103 is a portion to which the insert 1 is mounted, and may have a seating surface parallel to the lower surface of the holder 105 and a restraint side surface perpendicular to or inclined with respect to the seating surface. Further, the pocket 103 may be opened on the side of the first end 105a of the holder 105.
  • the insert 1 may be located in the pocket 103.
  • the lower surface of the insert 1 may be in direct contact with the pocket 103, or a sheet (not shown) may be sandwiched between the insert 1 and the pocket 103.
  • the insert 1 is provided so that at least a part of the portion used as the cutting edge 11 at the ridge line 9 where the first surface 5 which is the rake surface 5 and the second surface 7 which is the flank surface 7 intersects protrudes outward from the holder 105. It may be attached to the holder 105.
  • the insert 1 may be attached to the holder 105 by a fixing screw 107. That is, the fixing screw 107 is inserted into the through hole 13 of the insert 1, the tip of the fixing screw 107 is inserted into the screw hole (not shown) formed in the pocket 103, and the screw portions are screwed together to insert the insert. 1 may be mounted on the holder 105.
  • the cutting tool 101 may be provided with a hose (not shown) having a nozzle at the tip in order to supply the cooling liquid to the cutting edge 11.
  • a pump for supplying the coolant may be connected to this hose.
  • the cutting tool 101 may be provided with the nozzle 109 for supplying the cooling liquid to the cutting edge 11 in the holder 105.
  • the ejection port of the nozzle 109 When the ejection port of the nozzle 109 is located in the vicinity of the insert 1, it becomes easy to supply the coolant to the cutting edge 11.
  • the nozzle 109 may be fixed to a part of the holder 105.
  • a hole may be provided in the holder 105 and used as the nozzle 109.
  • the coolant discharged from the nozzle 109 may be, for example, a water-soluble one or an oil-based one.
  • the nozzle 109 may be connected to a pump (not shown), and may, for example, discharge the coolant at a pressure of 0.5 to 20 MPa. When the pressure is 10 MPa or more, processing at higher speed becomes possible.
  • the holder 105 may have a flow path through which the coolant flows.
  • steel, cast iron, or the like can be used as the material of the holder 105.
  • steel having high toughness may be used.
  • a cutting tool 101 used for so-called turning is illustrated.
  • the turning process include inner diameter processing, outer diameter processing, and grooving processing.
  • the cutting tool is not limited to the one used for turning.
  • the above-mentioned insert 1 may be used as a cutting tool used for milling.
  • the cutting tool 101 has an insert 1, but is not limited to such a form.
  • the cutting tool 101 may have any of the inserts 1a to 1c.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
PCT/JP2021/039812 2020-11-09 2021-10-28 インサートおよび切削工具 Ceased WO2022097565A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US18/251,399 US20240066606A1 (en) 2020-11-09 2021-10-28 Insert and cutting tool
JP2022560743A JP7598944B2 (ja) 2020-11-09 2021-10-28 インサートおよび切削工具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020186483 2020-11-09
JP2020-186483 2020-11-09

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Publication Number Publication Date
WO2022097565A1 true WO2022097565A1 (ja) 2022-05-12

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PCT/JP2021/039812 Ceased WO2022097565A1 (ja) 2020-11-09 2021-10-28 インサートおよび切削工具

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US (1) US20240066606A1 (https=)
JP (1) JP7598944B2 (https=)
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0586405U (ja) * 1992-04-27 1993-11-22 住友電気工業株式会社 スローアウェイチップ
JPH0679505A (ja) * 1992-07-02 1994-03-22 Sandvik Ab 切粉出し工作用の切削インサート
JPH09174310A (ja) * 1995-12-27 1997-07-08 Kyocera Corp 切削インサート
JP2002254215A (ja) * 2001-02-28 2002-09-10 Mitsubishi Materials Corp スローアウェイチップ
WO2020184667A1 (ja) * 2019-03-14 2020-09-17 京セラ株式会社 インサートおよび切削工具

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5192171A (en) * 1991-01-07 1993-03-09 Gte Valenite Corporation Chip control insert
IL109054A (en) * 1994-03-21 1998-07-15 Iscar Ltd Cutting insert
SE528811C2 (sv) * 2005-03-16 2007-02-20 Sandvik Intellectual Property Skär och verktyg för spånavskiljande bearbetning med vinklade ingreppsmedel, samt tillsats för dylika verktyg
US8454274B2 (en) * 2007-01-18 2013-06-04 Kennametal Inc. Cutting inserts
KR100901470B1 (ko) * 2007-07-05 2009-06-08 대구텍 주식회사 코너 리세스부를 지니는 절삭 인서트
WO2015056496A1 (ja) * 2013-10-18 2015-04-23 日本特殊陶業株式会社 バイト用ホルダ及び切削工具
EP3067134B1 (en) * 2014-02-07 2020-06-17 Tungaloy Corporation Cutting insert

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0586405U (ja) * 1992-04-27 1993-11-22 住友電気工業株式会社 スローアウェイチップ
JPH0679505A (ja) * 1992-07-02 1994-03-22 Sandvik Ab 切粉出し工作用の切削インサート
JPH09174310A (ja) * 1995-12-27 1997-07-08 Kyocera Corp 切削インサート
JP2002254215A (ja) * 2001-02-28 2002-09-10 Mitsubishi Materials Corp スローアウェイチップ
WO2020184667A1 (ja) * 2019-03-14 2020-09-17 京セラ株式会社 インサートおよび切削工具

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JP7598944B2 (ja) 2024-12-12
US20240066606A1 (en) 2024-02-29

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