WO2016085150A1 - Plaquette de coupe et porte-outil sur lequel est couplée une plaquette de coupe - Google Patents

Plaquette de coupe et porte-outil sur lequel est couplée une plaquette de coupe Download PDF

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Publication number
WO2016085150A1
WO2016085150A1 PCT/KR2015/011943 KR2015011943W WO2016085150A1 WO 2016085150 A1 WO2016085150 A1 WO 2016085150A1 KR 2015011943 W KR2015011943 W KR 2015011943W WO 2016085150 A1 WO2016085150 A1 WO 2016085150A1
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WO
WIPO (PCT)
Prior art keywords
unidirectional
clearance
longitudinal
tool holder
cutting inserts
Prior art date
Application number
PCT/KR2015/011943
Other languages
English (en)
Korean (ko)
Inventor
이상용
최영남
한명수
안선용
Original Assignee
한국야금 주식회사
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 한국야금 주식회사 filed Critical 한국야금 주식회사
Publication of WO2016085150A1 publication Critical patent/WO2016085150A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/16—Milling-cutters characterised by physical features other than shape
    • B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
    • B23C5/202—Plate-like cutting inserts with special form
    • B23C5/205—Plate-like cutting inserts with special form characterised by chip-breakers of special form
    • 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
    • B23B27/02—Cutting tools with straight main part and cutting edge at an angle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/02—Milling-cutters characterised by the shape of the cutter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/02—Milling-cutters characterised by the shape of the cutter
    • B23C5/10—Shank-type cutters, i.e. with an integral shaft
    • B23C5/109—Shank-type cutters, i.e. with an integral shaft with removable cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/16—Milling-cutters characterised by physical features other than shape
    • B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/16—Milling-cutters characterised by physical features other than shape
    • B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
    • B23C5/22—Securing arrangements for bits or teeth or cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/16—Milling-cutters characterised by physical features other than shape
    • B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
    • B23C5/22—Securing arrangements for bits or teeth or cutting inserts
    • B23C5/2204—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert
    • B23C5/2208—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert for plate-like cutting inserts 
    • B23C5/2213—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert for plate-like cutting inserts  having a special shape

Definitions

  • the present invention relates to a cutting insert and a tool holder for fastening the same.
  • the cutting insert is fastened to a cutting tool mounted on a machine tool and used to cut a workpiece composed of ferrous, nonferrous metals, nonmetal materials, and the like.
  • Such cutting inserts typically have an upper surface, a lower surface, and a plurality of side surfaces connecting the upper surface and the lower surface.
  • Pickling is provided between the side surface and the top surface, and a pickled land surface and a pickled inclined surface are formed in turn between the pickled and the top surface.
  • the pickled slope serves as a chip breaker.
  • the two longitudinal side surfaces 110 and 120 face each other and are orthogonal to the top surface 150 and the bottom surface 160.
  • the two transverse side surfaces 130 and 140 face each other and the top surface 150 and the bottom surface 610. Orthogonal to
  • two corner portions 150-1 and 150 located on one diagonal of the four corner portions 150-1, 150-2, 150-3 and 150-4 of the upper surface 150 of the cutting insert 100. -2) is raised on the upper surface 150, and the other two corner portions 150-3 and 150-4 located on the other diagonal line are in a recessed state on the upper surface 150.
  • the two corner portions 150-1 and 150-2 protruding above the average elevation of the upper surface 150 perform a pickling function, and the two corner portions 150-1 are retracted below the average surface of the upper surface 150.
  • And 150-2) become a chip discharge part.
  • the conventional cutting insert has a double-sided shape, and has a structure in which the lower surface 160 is rotationally symmetric with respect to the structure of the upper surface 150.
  • the longitudinal side surfaces 110 and 120 are perpendicular to the upper surface 150 and the lower surface 160 and the transverse side surfaces 130 and 140 are orthogonal to the upper surface 150 and the lower surface 160. There is a problem that the interference of the cutoff becomes poor and the machinability of pickled 150-1 and 150-2 is inferior.
  • the technical problem of this invention is providing the cutting insert which can increase the strength of pickling while reducing interference with a workpiece.
  • Another technical problem of the present invention is to provide a cutting insert that can be mounted to both a tool holder rotated clockwise and a tool holder rotated counterclockwise.
  • Another technical problem of the present invention is to provide a tool holder capable of firmly fastening a cutting insert.
  • the cutting insert according to an embodiment of the present invention, the upper surface, the lower surface, and the side surface connecting the upper surface and the lower surface, and a cut-off portion formed between the upper surface and the side surface and the tool holder
  • a fastening cutting insert the upper surface comprising a first unidirectional edge portion, a first longitudinal edge portion, a second unidirectional edge portion and a second longitudinal edge portion sequentially along the periphery thereof, and wherein the first and second Each of the longitudinal edge portions has a concave recessed shape.
  • Each of the first and second long edge portions may have a concave recessed shape toward the center of the upper surface.
  • Each of the first and second long edge portions may have a shape recessed toward the bottom surface.
  • the pickled portion may be provided at each of the first and second long edges, and may include an outer pickled portion positioned on an outer circumferential surface of the tool holder when fastened to the tool holder.
  • the pickled portion may be provided in each of the first and second unidirectional edge portions, and may include a first subsection, a second subsection, and a second main section, which are first subsections sequentially provided in succession to each other.
  • the first main gin and the first sub gin may be symmetrical with the second main gin and the second sub gin based on the boundary points of the first and second sub gins.
  • the first major cutoff When viewed toward the top surface, the first major cutoff may form an acute angle with respect to a first centerline connecting a center of each of the first and second unidirectional edge portions, and the first subcutaneous cutoff may be formed on the first centerline. Can be obtuse.
  • the portion consisting of the first main inn and the first sub-in may have a shape protruding convexly outwardly of the upper surface
  • the first sub-in and the second sub-in may have a shape concave concavely into the center of the upper surface
  • the portion consisting of the second sub-indentation and the second main in-person may have a shape protruding convexly outward of the upper surface.
  • the first and second longitudinal edge parts may be symmetrically symmetric with respect to a first center line connecting centers of the first and second unidirectional edge parts, respectively, and the first and second unidirectional edge parts may be symmetrical to each other. It may be symmetrical with respect to the second center line connecting the center of each of the second longitudinal edge portion.
  • the side surface may include first, second and third clearance surfaces sequentially from the upper surface toward the lower surface, wherein the first clearance surface has the same clearance angle along the cutout portion, and the third clearance surface is The clearance angle may be greater than the first and second clearance surfaces.
  • the side surface may further include a cloth surface between the first and second clearance surfaces.
  • the side surface may include: a first long side surface formed between the first long edge portion and the bottom surface; And a first unidirectional side surface formed between the first unidirectional edge portion and the bottom surface, wherein the second clearance surface comprises: a second longitudinal direction surface surface forming a part of the first longitudinal direction side surface; And a second unidirectional clearance forming part of the first unidirectional side surface.
  • the first clearance surface may include: a first longitudinal clearance surface that forms another part of the first longitudinal side surface; And a first unidirectional clearance surface that forms another part of the first unidirectional side surface, and an allowance angle of the first long direction clearance surface may be equal to or smaller than a clearance angle of the first unidirectional clearance surface.
  • the tool holder according to an embodiment of the present invention is a tool holder having a pocket portion to which the cutting insert according to the embodiment of the present invention described above, the pocket portion, the bottom fastening surface to which the lower surface is fastened; A longitudinal fastening surface to which the second longitudinal free surface is fastened; And a unidirectional fastening surface to which the second unidirectional clearance surface is fastened.
  • the unidirectional fastening surface may be divided into first and second unidirectional fastening surface sections sequentially toward the outer circumferential surface of the tool holder, the first unidirectional fastening surface sections may form an obtuse angle with respect to the long direction fastening surface, The second unidirectional fastening surface section may form an acute angle with respect to the long direction fastening surface.
  • the cutting insert according to the embodiment of the present invention may have the following effects.
  • each of the first and second longitudinal edge portions is provided with a concave recessed shape, it is possible to increase the strength of pickling while reducing interference with the workpiece.
  • the first and second longitudinal edge portions are symmetrical with respect to the first center line connecting the centers of the first and second unidirectional edge portions, respectively, and the first and second unidirectional edge portions. It is attached to both the tool holder rotated in the clockwise direction and the tool holder rotated in the counterclockwise direction, since the addition provides a symmetrical technical configuration with respect to the second center line connecting the center of each of the first and second long edges.
  • all four corners can be used, such as being mounted on a tool holder even when rotated 180 degrees from the center of the upper surface.
  • the unidirectional fastening surface of the tool holder is divided into first and second unidirectional fastening surface sections sequentially toward the outer circumferential surface of the tool holder, and the first unidirectional fastening surface section is the long direction fastening
  • the oblique angle to the surface, and the second unidirectional fastening section provides a technical configuration that is acute with respect to the longitudinal fastening surface, thereby preventing the sliding of the cutting insert due to the machining load through the first unidirectional fastening surface section
  • the cutting insert may be securely fastened such that the cutting insert may be separated through the second unidirectional fastening surface section.
  • FIG. 1 is a perspective view showing a cutting insert according to an embodiment of the present invention.
  • FIG. 2 is a plan view illustrating an upper surface of the cutting insert of FIG. 1.
  • FIG. 3 is a side view showing a first longitudinal side of the cutting insert of FIG.
  • FIG. 4 is a front view showing a first unilateral side of the cutting insert of FIG.
  • FIG. 5 is a perspective view illustrating a tool holder to which the cutting insert of FIG. 1 is fastened.
  • FIG. 6 is a perspective view illustrating a pocket part of the tool holder from which the cutting insert of FIG. 1 is removed.
  • FIG. 7 is a view of the pocket part of the tool holder of FIG. 6 as viewed toward the bottom fastening surface.
  • FIG. 8 is a view schematically illustrating a cutting insert of FIG. 1 fastened to a tool holder to cut a workpiece.
  • FIG. 9 is a perspective view showing a conventional cutting insert.
  • FIG. 1 is a perspective view showing a cutting insert according to an embodiment of the present invention
  • Figure 2 is a plan view showing a top surface of the cutting insert of Figure 1
  • Cutting insert 100 according to an embodiment of the present invention, as shown in Figure 1, the cutting insert is fastened to the tool holder ("200" of Figure 5), the upper surface 110 and the lower surface 120 And a side surface 130 and a pickled portion 140.
  • the tool holder ("200" of Figure 5)
  • the upper surface 110 and the lower surface 120 And a side surface 130 and a pickled portion 140.
  • each component will be described in detail with reference to FIGS. 1 to 4.
  • the upper surface 110 forms an acute angle with the side surface 130, and sequentially the first unidirectional edge portion 111 along its periphery as shown in FIGS. 1 and 2, A first longitudinal edge portion 112, a second unidirectional edge portion 113, and a second longitudinal edge portion 114 are included.
  • each of the first and second longitudinal edge portions 112, 114 has a concave recessed shape. Therefore, since each of the first and second long edge portions 112 and 114 has a concave recessed shape, it is possible to increase the strength of pickling while reducing interference with the workpiece ("10" in FIG. 8).
  • Each of the first and second long edge portions 112 and 114 may have a concave recessed shape toward the center of the upper surface 110 as shown in FIG. 2 as an example (see FIG. 2).
  • "L1" is a straight line connecting both ends of the first longitudinal edge portion 112 but most protruding toward the side surface 130 to show this concave shape, as shown in FIG. It may have a concave concave shape toward the lower surface 120 ("L2" in Figure 3 is connected to both ends of the first longitudinal edge portion 112 to show this concave shape, but protrudes toward the upper surface 110 side)
  • Straight lines connecting the two points, and as another example, as shown in FIGS. 2 and 3, the concave concave toward the center of the upper surface 110 and the concave concave toward the lower surface 120 may be simultaneously provided. It may be.
  • the first unidirectional edge portion 111 is a convex shape having a convex shape upward when viewed from the first unidirectional side surface 130b, and as the first unidirectional edge portion 111 is closer to the first center line C1, the convex shape is gradually upward. Therefore, the uppermost end may be formed at the intersection point with the first center line C1.
  • the second unidirectional edge portion 113 is symmetrical with respect to the second center line C2 of FIG. 2 and has the same shape as the first unidirectional edge portion 11.
  • "L3" in FIGS. It is a straight line parallel to the second center line C2 and in contact with the first unidirectional edge portion 111 (second unidirectional edge portion 113).
  • the lower surface 120 is the opposite surface of the upper surface 110 as shown in FIGS. 3 and 4, and the bottom fastening surface of the pocket portion (“210” of FIG. 6) of the tool holder (“200” of FIG. 6). ("211" in Fig. 6) is made of a flat surface so as to be in surface contact, and unlike the upper surface 110 does not constitute a cutout corresponding to the cutting edge between the side surface 130. Further, the lower surface 120 forms an obtuse angle with the side surface 130.
  • the pickled portion 140 is formed at the boundary between the upper surface 110 and the side surface 130, as shown in Figure 1, serves to substantially cut the workpiece ("10" of Figure 8). Specifically, the pickled portion 140 is provided on each of the first and second longitudinal edge portions 112 and 114 and positioned on the outer circumferential surface of the tool holder 200 when fastened to the tool holder (“200” in FIG. 6).
  • the outer pickled pickles 141 may be included. Thus, since the outer circumferential pickles 141 have a concave recessed shape together with the above-described first and second longitudinal edge portions 112 and 114, the workpiece (“10 in FIG. 8") is shown in FIG.
  • the extension line of L1 and the extension line of the side of the workpiece cross at the bottom, and + ⁇ 1 ° indicates an angle formed by these two extension lines measured in the L1 direction (ie, counterclockwise) at the side of the workpiece.
  • the pickled portion 140 is provided in each of the first and second unidirectional edge portions 111 and 113, and the first major cut portions 145 sequentially provided in series with each other,
  • the first subdivision 146, the second subdivision 147, and the second main subdivision 148 may be included.
  • the first major section 145 and the first subsection 146 are based on the boundary point P of the first and second subsections 146 and 147. It may be symmetrical with the phosphorus 148 and the second indentation 147. Therefore, the symmetrical technical configuration can be provided, so that it can be mounted on both the tool holder (200 in FIG. 6) rotated clockwise and the tool holder (not shown) rotated counterclockwise.
  • the first major cutout 145 may include a first center line connecting the centers of the first and second unidirectional edge portions 111 and 113, respectively.
  • An acute angle ⁇ 1 may be formed with respect to C1), and the first subcutaneous 146 may have an obtuse angle ⁇ 2 with respect to the first center line C1.
  • the second major cut 148 is spaced apart from the bottom surface of the workpiece ("10" in FIG. 8). Interference with (10) can be prevented (“ ⁇ 2 ° in Fig. 8.)
  • the extension line of L3 and the extension line of the bottom surface of the workpiece cross at the left side, and + ⁇ 2 ° at the bottom surface of the workpiece at this time.
  • the angle formed by these two extension lines measured in the L3 direction (ie clockwise), and when used in a tool holder (not shown) that is rotated counterclockwise, although not shown, the first major cut is in contact with the bottom surface of the workpiece. It can be spaced apart to prevent interference with the workpiece.
  • a portion formed of the first major cutout 145 and the first subcutaneous 146 may protrude convexly to the outside of the upper surface 110. It may have, and the portion consisting of the first subsection 146 and the second subsection 147 may have a shape concave concave to the center of the upper surface 110, and the second subsection 147 and the first A portion consisting of two main cuts 148 may have a shape that protrudes convexly to the outside of the upper surface 110. Therefore, the edge strength of the pickled portion 140 may be increased by applying a curve in which the convexly protruding shape and the concavely concave shape are continuously connected.
  • the first and second long edge portions 112 and 114 may include a first center line connecting the centers of the first and second unidirectional edge portions 111 and 113, respectively.
  • the second center line connecting the centers of the first and second longitudinal edge parts 112 and 114 may be symmetrically symmetric with respect to C1), and the first and second unidirectional edge parts 111 and 113 may be symmetrical with respect to each other. It can be symmetrical with respect to (C2).
  • the side surface 130 is a surface connecting the upper surface 110 and the lower surface 120, and the first side and the lower surface 120 are sequentially moved from the upper surface 110 to the lower surface 120.
  • Second and third clearance surfaces 131, 132, and 133 may be included.
  • the first clearance surface 131 has the same clearance angle along the cut portion 140 forming the periphery of the upper surface 110
  • the third clearance surface 133 is the workpiece ("10" in Fig. 8) In order to prevent interference with), the clearance angle may be greater than the first and second clearance surfaces 131 and 132.
  • the side surface 130 may further include a cloth surface 135 between the first and second clearance surfaces 131 and 132 as illustrated in FIGS. 3 and 4. Therefore, a sharp step between the first and second clearance surfaces 131 and 132 may be prevented through the cloth back surface 135 to reinforce the strength of the cutting insert 100.
  • the side surface 130 includes a first longitudinal side surface 130a between the first longitudinal edge portion 112 and the lower surface 120 as shown in FIGS. 1, 3, and 4, and
  • the first unidirectional side surface 130b may be formed between the one unidirectional edge portion 111 and the bottom surface 120.
  • the second clearance surface 132 may include a second longitudinal clearance surface 132a that forms part of the first longitudinal side surface 130a, and a second configuration that forms part of the first unidirectional side surface 130b. It may include a unidirectional clearance surface 132b, the first clearance surface 131, the first longitudinal clearance surface 131a forming another part of the first longitudinal side surface 130a, and the first unidirectional side surface It may include a first unidirectional clearance surface 131b constituting another portion of the 130b.
  • the clearance angle of the first longitudinal clearance surface 131a may be equal to or smaller than the clearance angle of the first unidirectional clearance surface 131b. This is substantially because the outer circumferential pickles 141 formed on the first longitudinal edge portion 112 do not substantially participate in the machining but cut the workpiece (“10” in FIG. 8) in the event of a sudden situation or a right angle machining. This is because it is not necessary to make the clearance angle larger than the pickles (see 145 to 148) formed in the first unidirectional edge portion 111 participating in the machining.
  • FIG. 5 is a perspective view showing a tool holder to which the cutting insert of FIG. 1 is fastened
  • FIG. 6 is a perspective view showing a pocket part of the tool holder from which the cutting insert of FIG. 1 is removed
  • FIG. 7 is a pocket part of the tool holder of FIG. 6. It is a view toward the floor fastening surface.
  • Tool holder 200 according to an embodiment of the present invention, as shown in Figure 6 and 7 has a pocket portion 210 is fastened to the cutting insert 100 according to an embodiment of the present invention described above.
  • the pocket part 210 includes a bottom fastening surface 211 to which the lower surface 120 of the cutting insert 100 is fastened, and a second long margin of the cutting insert 100.
  • the unidirectional fastening surface 213 may be divided into first and second unidirectional fastening surface sections 213a and 213b sequentially toward the outer circumferential surface of the tool holder 200.
  • the one unidirectional fastening surface section 213a may form an obtuse angle ⁇ 3 with respect to the longitudinal fastening surface 212, and the second unidirectional fastening surface section 213b may have an acute angle with respect to the longitudinal fastening surface 212. ) Can be achieved.
  • the phenomenon in which the cutting insert 100 is prevented from being pushed due to the processing load through the first unidirectional fastening surface section 213a and the cutting insert 100 is separated through the second unidirectional fastening surface section 213b The cutting insert 100 can be firmly fastened such that the cutting insert 100 can be prevented.
  • the bottom fastening surface 211 and the first and second unidirectional fastening surfaces 213a and 213b include the second long direction clearance surface 132a and the second unidirectional clearance surface 132b of the cutting insert 100.
  • the bottom fastening surface 211 of the pocket portion 210 may have a wedge shape that gradually protrudes.
  • the cutting insert according to the embodiment of the present invention may have the following effects.
  • each of the first and second longitudinal edge portions 112 and 114 has a concave recessed shape
  • the technical configuration has a concave recessed shape, thereby reducing the interference with the workpiece 10 and Strength can be increased.
  • a second center line symmetrically symmetric with respect to (C1) and connecting the centers of the first and second longitudinal edge portions 112 and 114 to the first and second unidirectional edge portions 111 and 113 ( C2) provides a technical configuration that is symmetrical with respect to the left and right, so that it can be mounted and used in both the tool holder 200 that is rotated in the clockwise direction and the tool holder (not shown) that is rotated in the counterclockwise direction. In the state rotated by 180 degrees with respect to the center of the) can be used in the tool holder 200, such as the main cutouts formed in the four corners (see 145, 148) and the like can all be used.
  • the unidirectional fastening surface 213 of the tool holder 200 sequentially faces the first and second unidirectional fastening surface sections 213a and 213b toward the outer circumferential surface of the tool holder 200.
  • the first unidirectional fastening surface section 213a forms an obtuse angle ⁇ 3 with respect to the longitudinal fastening surface 212
  • the second unidirectional fastening surface section 213b is with respect to the longitudinal fastening surface 212. Since the technical configuration forming the acute angle ⁇ 4 is provided, the sliding phenomenon of the cutting insert 100 due to the processing load can be prevented through the first unidirectional fastening surface section 213a and the second unidirectional fastening surface section 213b is prevented. Through this, the cutting insert 100 may be firmly fastened such that the cutting insert 100 may be prevented from being separated.
  • the present invention relates to a cutting insert and a tool holder for fastening the same, there is industrial applicability since it can be applied to cutting a workpiece.

Abstract

L'objectif technique de la présente invention est de fournir un insert de coupe permettant d'augmenter la résistance d'un bord de coupe tout en réduisant l'interférence avec une pièce de travail. À cet effet, l'insert de coupe, de la présente invention, couplé à un porte-outil comprend : une surface supérieure ; une surface inférieure ; des surfaces latérales reliant la surface supérieure et la surface inférieure ; et une partie bord de coupe formée entre la surface supérieure et la surface latérale, la surface supérieure et la surface latérale formant un angle aigu, la surface inférieure et la surface latérale formant un angle obtus, la surface supérieure comprenant, dans l'ordre le long de sa circonférence, une première partie bord dans le sens de la largeur, une première partie bord dans la direction longitudinale, une seconde partie bord dans le sens de la largeur, et une seconde partie bord dans la direction longitudinale, et chacune des première et seconde parties bord dans la direction longitudinale ayant une forme en retrait concave.
PCT/KR2015/011943 2014-11-28 2015-11-06 Plaquette de coupe et porte-outil sur lequel est couplée une plaquette de coupe WO2016085150A1 (fr)

Applications Claiming Priority (2)

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KR1020140168554A KR101631675B1 (ko) 2014-11-28 2014-11-28 절삭 인서트 및 이를 체결하는 공구 홀더
KR10-2014-0168554 2014-11-28

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CN110536767A (zh) * 2017-04-21 2019-12-03 伊斯卡有限公司 具有非正切削几何的坡走刀片和坡走工具
US20220080517A1 (en) * 2019-08-28 2022-03-17 Tungaloy Corporation Cutting insert
DE102020115518B4 (de) 2019-06-20 2022-03-24 Kennametal India Limited Werkzeughalter mit Tasche für die Aufnahme von Schneideinsätzen mit unterschiedlichen Freiwinkeln

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KR101941973B1 (ko) * 2017-04-11 2019-01-24 한국야금 주식회사 고이송 절삭 인서트 및 이를 장착한 절삭 공구
KR102003446B1 (ko) * 2018-01-19 2019-07-24 한국야금 주식회사 절삭 인서트 및 이를 장착한 절삭 공구
KR102164386B1 (ko) 2020-07-06 2020-10-12 권대규 절삭인서트용 공구홀더

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JPH10502583A (ja) * 1995-03-24 1998-03-10 イスカー・リミテツド 切削インサート
KR20100090277A (ko) * 2007-11-28 2010-08-13 이스카 엘티디. 접선식 절삭 삽입체
KR20120115307A (ko) * 2010-01-13 2012-10-17 이스카 엘티디. 오목부를 갖춘 절삭 에지를 갖는 절삭 인서트
KR20130011950A (ko) * 2011-07-22 2013-01-30 케나메탈 인디아 리미티드 인덱서블 드릴 인서트

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CN110536767A (zh) * 2017-04-21 2019-12-03 伊斯卡有限公司 具有非正切削几何的坡走刀片和坡走工具
CN110536767B (zh) * 2017-04-21 2021-06-25 伊斯卡有限公司 具有非正切削几何的坡走刀片和坡走工具
TWI757427B (zh) * 2017-04-21 2022-03-11 以色列商艾斯卡公司 具有非正切削幾何的斜進嵌件及斜進刀具
DE102020115518B4 (de) 2019-06-20 2022-03-24 Kennametal India Limited Werkzeughalter mit Tasche für die Aufnahme von Schneideinsätzen mit unterschiedlichen Freiwinkeln
US11484953B2 (en) 2019-06-20 2022-11-01 Kennametal India Limited Tool holder with pocket for accommodating cutting inserts with different clearance angles
US20220080517A1 (en) * 2019-08-28 2022-03-17 Tungaloy Corporation Cutting insert

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