WO2016056756A1 - Cutting insert - Google Patents

Cutting insert Download PDF

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Publication number
WO2016056756A1
WO2016056756A1 PCT/KR2015/009427 KR2015009427W WO2016056756A1 WO 2016056756 A1 WO2016056756 A1 WO 2016056756A1 KR 2015009427 W KR2015009427 W KR 2015009427W WO 2016056756 A1 WO2016056756 A1 WO 2016056756A1
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WO
WIPO (PCT)
Prior art keywords
cutting
chip
inclined surface
present
cutting insert
Prior art date
Application number
PCT/KR2015/009427
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French (fr)
Korean (ko)
Inventor
임상호
안동섭
김성훈
김효산
김영흠
Original Assignee
한국야금 주식회사
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Publication date
Application filed by 한국야금 주식회사 filed Critical 한국야금 주식회사
Publication of WO2016056756A1 publication Critical patent/WO2016056756A1/en

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    • 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
    • B23B27/02—Cutting tools with straight main part and cutting edge at an angle

Definitions

  • the present invention relates to a cutting insert, and more particularly, to a cutting insert to improve the processing performance of the cutting chip generated when performing the cutting process.
  • chip breakers are formed in the cutting insert.
  • the chip breaker affects the ejection performance of the cutting chip, the size of the cutting chip, and the shape of the cutting chip generated when performing the cutting process. That is, the chip processing ability may vary depending on the shape and shape of the chip breaker.
  • the width and thickness of the cutting chip increases as the cutting amount and the feeding amount increase during the cutting process, and such a cutting chip works advantageously for the processing of the cutting chip.
  • the dimensions of the workpiece are provided in a size very similar to the final dimensions of the finished product.
  • Such material does not have a large cutting amount (processing amount) when cutting.
  • the surface of the material is irregular, and the mechanical properties tend to be inconsistent.
  • the material as described above has a problem that the generation of the cutting chip is irregular, the discharge action of the cutting chip is not smooth, the processing efficiency is lowered, the life of the cutting tool is shortened.
  • the cutting insert when the cutting chip is not discharged smoothly, the cutting insert may be broken, and the life of the cutting insert may be abnormally shortened.
  • the technical problem to be achieved by the present invention is to provide a cutting insert which allows the cutting chip to be discharged more smoothly by generating a cutting chip with a good size even when the cutting amount is very small when performing the cutting process.
  • Another object of the present invention is to provide a cutting insert that can smoothly guide the discharge of the cutting chip to prevent degradation of the quality of the material by the cutting chip, and to prevent the life of the cutting insert is shortened. have.
  • the edge pickling is formed on the edge of the upper surface and a plurality of side, respectively, corner pickling between any one edge pickling and the other edge pickling And a cutting hole formed at a center thereof, the cutting insert having an inclined surface inclined at each of the side edge pickings on the top surface thereof, the cutting edge being spaced apart from the corner pickings on a first line connecting the corner picking and the center of the fastening groove.
  • the chip breaker comprises: a lower inclined surface formed to be inclined at a first angle with respect to a reference surface based on the upper surface from the inclined surface; And an upper inclined surface formed to be inclined at a second angle with respect to a reference plane based on the upper surface from the lower inclined surface.
  • the second angle may be an angle larger than the first angle.
  • the cutting insert according to the embodiment of the present invention may further include a convex surface formed convexly on the lower inclined surface.
  • the convex surface may be a convex curved surface.
  • the cutting insert according to the embodiment of the present invention when the convex surface is defined as a first point of contact with the inclined surface and the convex surface is a second point of contact with the lower inclined surface, the first point and the second An angle formed by the second line connecting the point with respect to the reference plane based on the upper surface may be a third angle smaller than the first angle.
  • the cutting insert according to the embodiment of the present invention may be a plurality.
  • the cutting insert according to the embodiment of the present invention may have a symmetrical shape with respect to the plurality of lower inclined surfaces and the plurality of upper inclined surfaces based on the first line when viewed from a plan view of the upper surface.
  • the cutting insert according to the embodiment of the present invention may further include a convex surface formed convex on each of the plurality of lower inclined surfaces.
  • the cutting insert according to the embodiment of the present invention may further include a ridge extension formed between the chip breaker and the upper surface lower than the top surface of the chip breaker.
  • the cutting insert according to the embodiment of the present invention when viewed in a plan view of the upper surface immediately, may be the corner of the first lower slope and the second lower slope surface is located on the first line.
  • the cutting insert according to the embodiment of the present invention may further include a wave surface formed in a wave shape on the inclined surface and a portion of the upper surface.
  • the cutting chip when the cutting chip is generated, the cutting chip is in contact with the chip breaker at two or three points, thereby reducing the radius of the cutting chip when the cutting chip is rounded. have. Furthermore, the size of the cutting chip is reduced, so that the discharge of the cutting chip is good.
  • the cutting insert according to the embodiment of the present invention may have a good processing of the cutting chip even in a cutting environment with a small amount of cut.
  • the cutting insert according to the embodiment of the present invention can prevent the cutting chip and the material to interfere with the cutting chip by good discharge to prevent the quality of the finished product.
  • the cutting insert according to the embodiment of the present invention can reduce heat generation by minimizing the contact area between the cutting chip and the chip breaker, thereby preventing the life of the cutting insert from being abnormally shortened.
  • FIG. 1 is a perspective view for explaining a cutting insert according to an embodiment of the present invention.
  • FIG. 2 is a detailed view of portion A of FIG. 1.
  • FIG. 3 is a plan view for explaining a cutting insert according to an embodiment of the present invention.
  • FIG. 4 is a detailed view of portion B of FIG. 3.
  • FIG. 5 is a cross-sectional view taken along the line A-A of FIG.
  • FIG. 6 is a view for explaining the action of the chip breaker in the cutting insert according to an embodiment of the present invention.
  • FIG. 7 is a view for explaining the action according to the shape of the chip breaker in the cutting insert according to an embodiment of the present invention.
  • FIG. 8 is an exemplary view for explaining a cutting insert according to another embodiment of the present invention.
  • FIGS. 1 to 5 a cutting insert according to an exemplary embodiment of the present invention will be described with reference to FIGS. 1 to 5.
  • FIG. 1 is a perspective view for explaining a cutting insert according to an embodiment of the present invention.
  • FIG. 2 is a detailed view of portion A of FIG. 1.
  • 3 is a plan view for explaining a cutting insert according to an embodiment of the present invention.
  • FIG. 4 is a detailed view of portion B of FIG. 3.
  • 5 is a cross-sectional view taken along the line A-A of FIG.
  • Cutting insert 100 is the edge pickling 130 is formed on the edge of the top surface 110 and the plurality of side surfaces 120, respectively, any one edge pickling 130 and the other edge Corner pickling 140 is formed between the pickling 130, the fastening hole 150 is formed in the center, the inclined surface 160 is formed to be inclined at each side pickling 130 on the upper surface 110, respectively.
  • the chip breaker 200 is formed at a position spaced apart from the corner pickling 140 on the first line L1 connecting the corner pickling 140 and the fastening groove 150.
  • the chip breaker 200 may be provided in a plurality of corners of the cutting insert 100.
  • the chip breaker 200 is based on the upper slope 110 and the lower slope 210 and the lower slope 210 formed to be inclined at a first angle (a) with respect to the reference plane based on the upper surface 110 on the inclined surface 160. It comprises a top inclined surface 220 formed to be inclined at a second angle (b) with respect to the reference plane.
  • FIG. 6A illustrates a chip breaker 20 of a cutting insert according to a comparative example.
  • the chip breaker 20 of the cutting insert 10 according to the comparative example is configured to have one inclined surface.
  • the contact between the cutting chip and the chip breaker is made at one point, whereby the radius of curvature R1 of the cutting chip is very large.
  • FIG. 6 shows the chip breaker 200 of the cutting insert according to the embodiment of the present invention.
  • the chip breaker 200 of the cutting insert 100 according to the embodiment of the present invention has a lower inclined surface 210 and an upper inclined surface 220, and two inclined surfaces are formed. will be.
  • the radius of curvature R2 of the cutting chip is the curvature according to the comparative example. It is formed relatively small compared to the radius R1.
  • the cutting chip generated by the cutting insert 100 according to the embodiment of the present invention can be cut and rolled round to a small size, further has the effect of smoothing the discharge of the cutting chip.
  • the second angle (b) may be an angle larger than the first angle (a).
  • the upper inclined surface 220 is formed as a relatively inclined surface as compared with the lower inclined surface 210.
  • the cutting chips are primarily bent in contact with the lower inclined surface 210, and the cutting chips are bent secondly in contact with the upper inclined surface 220. . That is, the cutting chip has the effect of forming a small bending radius by successively bending the first and second.
  • the cutting insert according to the embodiment of the present invention since the cutting chip is partially contacted at the first point and the second point, the frictional resistance is small, whereby the heat generation can be formed lower than the cutting insert of the prior art. . Furthermore, the low heat generation can prevent the life of the cutting insert from being abnormally shortened.
  • the cutting insert according to the embodiment of the present invention may further include a convex surface 230 formed convexly on the lower inclined surface 210, as shown in FIG.
  • the cutting chips are primarily bent in contact with the convex surface 230, and the cutting chips are bent secondly in contact with the lower inclined surface 210.
  • the cutting chip may be bent in the third direction while contacting the upper inclined surface 220. That is, the cutting chip has the effect of forming a small bending radius by bending continuously in the 1st, 2nd, 3rd order.
  • the cutting insert according to the embodiment of the present invention since the cutting chips are partially contacted at the first, second, and third points, the frictional resistance is small, whereby the heat generation can be formed lower than the cutting insert of the prior art. . Furthermore, the low heat generation can prevent the life of the cutting insert from being abnormally shortened.
  • the convex surface 230 may be a convex curved surface.
  • the frictional resistance may be further reduced because the cutting chip comes into contact with the convex surface 230 at a specific point.
  • the first point where the convex surface 230 touches the inclined surface 160 and the lower surface of the convex surface 230 are inclined 210.
  • the angle formed by the second line L2 connecting the first point and the second point with respect to the reference plane based on the upper surface 110 is smaller than the first angle a. It may be a three angle (c). This allows contact at one point on the surface of the convex surface 230 as the cutting chip is generated and grown, while lower sloped surface 210 when the cutting chip flows to both sides of the convex surface 230. ) May be induced to contact. That is, there is an effect that can induce the flow of the cutting chip more smoothly.
  • the lower inclined surface 210 and the upper inclined surface 220 may be a plurality. More specifically, the lower sloped surface 210 may be provided as the first, second, and third lower sloped surfaces 211, 212, and 213.
  • the upper sloped surface 220 may be provided as the first, second, and third upper sloped surfaces 221, 222, and 223.
  • the cutting insert according to the embodiment of the present invention when viewed from the top view immediately visible top surface 110, a plurality of lower inclined surface 210 relative to the first line (L1). ) And the plurality of upper inclined surfaces 220 may be symmetrical.
  • the cutting direction can be set differently when the feed direction of cutting is the same.
  • the cutting chip can be produced with good size even if the infeed direction is set in the symmetrical direction.
  • the edge pickling 130 of the cutting insert 100 may be provided as the right main cutout 130R and the left main cutout 130L on both sides with respect to the corner pickling 140, respectively.
  • the cutting insert 100 according to the embodiment of the present invention can use both main cutting edges 130R and 130L.
  • the cutting insert 100 according to the embodiment of the present invention can perform a cutting process to minimize the size of the cutting chip in both the main cutting (130R, 130L).
  • the cutting insert according to the embodiment of the present invention may further include a convex surface 230 is formed convex on the plurality of lower inclined surfaces 210, respectively. More specifically, the convex surface 230 may be provided as the first, second, and third convex surfaces 231, 232, and 233. As a result, even when the cutting chip is distorted in an arbitrary direction when the cutting chip is generated and grown, the cutting chip is any one of the plurality of convex surfaces 230, that is, the first, second, and third convex surfaces 231, 232, and 233. By contacting with the cutting process can be performed to minimize the size of the cutting chip.
  • the cutting insert 100 which is made as described above, has a cutting chip in contact with the chip breaker 200 at two or three points when the cutting chip is generated, and thus, when the cutting chip is rolled round,
  • the radius R2 can be made smaller. Furthermore, the size of the cutting chip is reduced, so that the discharge of the cutting chip is good.
  • the cutting insert 100 may be a good treatment of the cutting chip in a cutting environment with a small amount of cut.
  • the cutting insert 100 can prevent the cutting chip and the material (W) is interfered with by inducing the discharge of the cutting chip satisfactorily to reduce the quality of the finished product.
  • the cutting insert 100 can reduce heat generation by minimizing the area where the cutting chip and the chip breaker 200 come into contact with each other, thereby preventing the life of the cutting insert from being abnormally shortened. have.
  • FIG. 8 is an exemplary view for explaining a cutting insert according to another embodiment of the present invention.
  • FIG. 8A illustrates an embodiment in which the ridge extension 300 is formed between the chip breaker 200 and the top surface 110.
  • the surface of the ridge extension 300 is formed lower than the top surface of the chip breaker 200.
  • FIG. 8B illustrates a modified example of the shape of the chip breaker 200.
  • the first lower slope 211 and the second inclined surface 211 are formed on the first line L1. It is an example where the edge of the lower inclined surface 212 is located.
  • the cutting chips are in contact with the chip breaker 200 when the cutting chips are generated and grown. In other words, it is possible to prevent the concentration of wear in a specific part by dispersing the cutting chip in an arbitrary direction without biasing either side.
  • FIG. 8C illustrates a wavy wave surface 400 formed on a part of the inclined surface 160 and the upper surface 110.
  • the length of the edge pickles 130 may be increased, and thus the cutting effect may be improved.
  • the wave surface 400 may improve the heat dissipation effect by forming a large surface area of the cutting insert. That is, the wave surface 400 has an effect that the cutting chip can more quickly cool the heat generated by the friction with the cutting insert (100).

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

Abstract

The present invention relates to a cutting insert. More particularly, a cutting insert according to an embodiment of the present invention can facilitate discharge of cutting chips by generating cutting chips having a favorable size even when the depth of cut is very small in the process of cutting. Further, the cutting insert according to an embodiment of the present invention can lead to smooth discharge of cutting chips, thereby preventing the quality of a material from being degraded by the cutting chips, and preventing shortening of the lifespan of the cutting insert.

Description

절삭 인서트Cutting insert
본 발명은 절삭 인서트에 관한 것으로, 더욱 상세하게는 절삭 가공을 수행할 때에 발생되는 절삭 칩의 처리 성능을 향상시킬 수 있도록 하는 절삭 인서트에 관한 것이다.The present invention relates to a cutting insert, and more particularly, to a cutting insert to improve the processing performance of the cutting chip generated when performing the cutting process.
일반적으로, 절삭 인서트에는 칩 브레이커가 형성된다. 칩 브레이커는 절삭 가공을 수행할 때에 발생되는 절삭 칩의 배출 성능과 절삭 칩의 크기 및 절삭 칩의 모양에 영향을 끼친다. 즉, 칩 브레이커의 형상과 모양에 따라 칩 처리 능력이 달라질 수 있다.Generally, chip breakers are formed in the cutting insert. The chip breaker affects the ejection performance of the cutting chip, the size of the cutting chip, and the shape of the cutting chip generated when performing the cutting process. That is, the chip processing ability may vary depending on the shape and shape of the chip breaker.
한편, 절삭 가공할 때 절입량 및 이송량이 증가할수록 절삭 칩의 폭과 두께가 증가되고, 이러한 절삭 칩은 절삭 칩의 처리에 유리하게 작용된다.On the other hand, the width and thickness of the cutting chip increases as the cutting amount and the feeding amount increase during the cutting process, and such a cutting chip works advantageously for the processing of the cutting chip.
다른 한편으로, 최근에 절삭가공의 소재는 정밀단조 및 정밀주조를 통하여 생산되고 있다. 그리고 그 소재에 대하여 후속 작업으로써 절삭 가공이 이루어진다.On the other hand, cutting materials have recently been produced through precision forging and precision casting. The cutting is then performed on the material as a subsequent work.
상술한 바와 같이 소재가 정밀하게 제조된 경우에는, 소재의 치수는 완성품의 최종치수와 매우 유사한 크기로 제공된다. 이러한 소재는 절삭 가공을 수행할 때에 절입량(가공량)이 크지 않다. 또한, 소재의 표면이 불규칙적이며, 기계적인 성질이 일정하지 않는 경향이 있다.If the workpiece is precisely manufactured as described above, the dimensions of the workpiece are provided in a size very similar to the final dimensions of the finished product. Such material does not have a large cutting amount (processing amount) when cutting. In addition, the surface of the material is irregular, and the mechanical properties tend to be inconsistent.
따라서 상술한 바와 같은 소재는 절삭 칩의 생성이 불규칙적이고, 절삭 칩의 배출 작용이 원활하지 못하여 가공의 효율성이 저하되고, 절삭 공구의 수명이 단축되는 문제가 있다.Therefore, the material as described above has a problem that the generation of the cutting chip is irregular, the discharge action of the cutting chip is not smooth, the processing efficiency is lowered, the life of the cutting tool is shortened.
또한, 절삭 칩의 배출이 원활하지 못하면 절삭 칩과 소재 간의 간섭이 발생할 수 있고, 이로써 완성 제품의 품질이 저하되는 문제가 있다.In addition, when the discharge of the cutting chip is not smooth, interference between the cutting chip and the material may occur, thereby degrading the quality of the finished product.
또한, 절삭 칩의 배출이 원활하지 못하면 절삭 인서트가 파손될 수 있고, 절삭 인서트의 수명이 비정상적으로 단축되는 문제가 있다.In addition, when the cutting chip is not discharged smoothly, the cutting insert may be broken, and the life of the cutting insert may be abnormally shortened.
따라서, 본 발명이 이루고자 하는 기술적 과제는 절삭 가공을 수행할 때에 절입량이 매우 작더라도 절삭 칩을 양호한 크기로 생성되도록 하여 절삭 칩의 배출이 더욱 원활하게 이루어질 수 있도록 하는 절삭 인서트를 제공하는데 있다.Accordingly, the technical problem to be achieved by the present invention is to provide a cutting insert which allows the cutting chip to be discharged more smoothly by generating a cutting chip with a good size even when the cutting amount is very small when performing the cutting process.
본 발명의 다른 목적은 절삭 칩의 배출을 원활하게 유도할 수 있도록 하여 절삭 칩에 의해 소재의 품질이 저하되는 것을 방지하고, 절삭 인서트의 수명이 단축되는 것을 방지할 수 있도록 하는 절삭 인서트를 제공하는데 있다.Another object of the present invention is to provide a cutting insert that can smoothly guide the discharge of the cutting chip to prevent degradation of the quality of the material by the cutting chip, and to prevent the life of the cutting insert is shortened. have.
본 발명이 이루고자 하는 기술적 과제는 이상에서 언급한 기술적 과제로 제한되지 않으며, 언급되지 않은 또 다른 기술적 과제는 아래의 기재로부터 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 명확하게 이해될 수 있을 것이다.The technical problem to be achieved by the present invention is not limited to the technical problem mentioned above, another technical problem that is not mentioned can be clearly understood by those skilled in the art from the following description. There will be.
상기 기술적 과제를 달성하기 위한 본 발명의 실시예에 따른 절삭 인서트는, 상면과 복수의 측면의 모서리에 변부 절인이 각각 형성되고, 어느 하나의 변부 절인과 다른 하나의 변부 절인의 사이에 코너 절인이 형성되며, 중앙에 체결 홀이 형성되고, 상기 상면에 상기 각각의 변부 절인에서 경사지게 경사면이 각각 형성된 절삭 인서트에 있어서, 상기 코너 절인과 상기 체결 홈의 중심을 잇는 제1선상에서 상기 코너 절인과 이격된 위치에 형성된 복수의 칩 브레이커;를 포함하고, 상기 칩 브레이커는 상기 경사면에서 상기 상면을 기준으로 하는 기준면에 대하여 제1각도로 경사지게 형성된 하측경사면; 및 상기 하측경사면에서 상기 상면을 기준으로 하는 기준면에 대하여 제2각도로 경사지게 형성된 상측경사면;을 포함한다.Cutting insert according to an embodiment of the present invention for achieving the above technical problem, the edge pickling is formed on the edge of the upper surface and a plurality of side, respectively, corner pickling between any one edge pickling and the other edge pickling And a cutting hole formed at a center thereof, the cutting insert having an inclined surface inclined at each of the side edge pickings on the top surface thereof, the cutting edge being spaced apart from the corner pickings on a first line connecting the corner picking and the center of the fastening groove. And a plurality of chip breakers formed at a predetermined position, wherein the chip breaker comprises: a lower inclined surface formed to be inclined at a first angle with respect to a reference surface based on the upper surface from the inclined surface; And an upper inclined surface formed to be inclined at a second angle with respect to a reference plane based on the upper surface from the lower inclined surface.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 상기 제2각도가 상기 제1각도보다 큰 각도인 것일 수 있다.In addition, the cutting insert according to the embodiment of the present invention, the second angle may be an angle larger than the first angle.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 상기 하측경사면에 볼록하게 형성된 볼록면;을 더 포함할 수 있다.In addition, the cutting insert according to the embodiment of the present invention may further include a convex surface formed convexly on the lower inclined surface.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 상기 볼록면이 볼록한 곡면인 것일 수 있다.In addition, the cutting insert according to the embodiment of the present invention, the convex surface may be a convex curved surface.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 상기 볼록면이 상기 경사면에 닿는 제1점과 상기 볼록면이 상기 하측경사면에 닿는 제2점으로 정의될 때, 상기 제1점과 상기 제2점을 잇는 제2선이 상기 상면을 기준으로 하는 기준면에 대하여 이루는 각도가 상기 제1각도보다 작은 제3각도인 것일 수 있다.In addition, the cutting insert according to the embodiment of the present invention, when the convex surface is defined as a first point of contact with the inclined surface and the convex surface is a second point of contact with the lower inclined surface, the first point and the second An angle formed by the second line connecting the point with respect to the reference plane based on the upper surface may be a third angle smaller than the first angle.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 상기 하측경사면과 상기 상측경사면은 복수인 것일 수 있다.In addition, the cutting insert according to the embodiment of the present invention, the lower inclined surface and the upper inclined surface may be a plurality.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 상기 상면이 바로 보이는 평면도에서 볼 때에, 상기 제1선을 기준으로 상기 복수의 하측경사면과 상기 복수의 상측경사면이 대칭인 것일 수 있다.In addition, the cutting insert according to the embodiment of the present invention may have a symmetrical shape with respect to the plurality of lower inclined surfaces and the plurality of upper inclined surfaces based on the first line when viewed from a plan view of the upper surface.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 상기 복수의 하측경사면에 각각 볼록하게 형성된 볼록면;을 더 포함할 수 있다.In addition, the cutting insert according to the embodiment of the present invention may further include a convex surface formed convex on each of the plurality of lower inclined surfaces.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 상기 칩 브레이커와 상기 상면의 사이에 칩 브레이커의 최상측 표면보다 낮게 형성되는 융기 연장부;를 더 포함할 수 있다.In addition, the cutting insert according to the embodiment of the present invention may further include a ridge extension formed between the chip breaker and the upper surface lower than the top surface of the chip breaker.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 상면이 바로 보이는 평면도에서 볼 때에, 상기 제1선상에는 상기 제1 하측경사면과 상기 제2 하측경사면의 모서리가 위치되는 것일 수 있다.In addition, the cutting insert according to the embodiment of the present invention, when viewed in a plan view of the upper surface immediately, may be the corner of the first lower slope and the second lower slope surface is located on the first line.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 상기 경사면과 상기 상면의 일부에 물결 모양으로 형성된 웨이브 서페이스;를 더 포함할 수 있다.In addition, the cutting insert according to the embodiment of the present invention may further include a wave surface formed in a wave shape on the inclined surface and a portion of the upper surface.
기타 실시예들의 구체적인 사항들은 상세한 설명 및 도면들에 포함되어 있다.Specific details of other embodiments are included in the detailed description and the drawings.
상기한 바와 같이 이루어진 본 발명의 실시예에 따른 절삭 인서트는 절삭 칩이 생성될 때에 절삭 칩은 칩 브레이커와 2점 또는 3점에서 접촉되고 이로써 절삭 칩이 둥글게 말릴 때에 절삭 칩의 반경이 작아질 수 있다. 나아가 절삭 칩의 외형적인 크기가 작아짐으로써 절삭 칩의 배출이 양호하게 된다.In the cutting insert according to the embodiment of the present invention made as described above, when the cutting chip is generated, the cutting chip is in contact with the chip breaker at two or three points, thereby reducing the radius of the cutting chip when the cutting chip is rounded. have. Furthermore, the size of the cutting chip is reduced, so that the discharge of the cutting chip is good.
또한, 본 발명의 실시예에 따른 절삭 인서트는 절입 량이 작은 절삭 가공 환경에서도 절삭 칩의 처리가 양호할 수 있다.In addition, the cutting insert according to the embodiment of the present invention may have a good processing of the cutting chip even in a cutting environment with a small amount of cut.
또한, 본 발명의 실시예에 따른 절삭 인서트는 절삭 칩의 배출을 양호하게 유도함으로써 절삭 칩과 소재가 간섭되어 완성품의 품질이 저하되는 것을 방지할 수 있다.In addition, the cutting insert according to the embodiment of the present invention can prevent the cutting chip and the material to interfere with the cutting chip by good discharge to prevent the quality of the finished product.
또한, 본 발명의 실시예에 따른 절삭 인서트는 절삭 칩과 칩 브레이커가 접하는 면적이 최소화됨으로써 발열을 저감할 수 있고, 이로써 절삭 인서트의 수명이 비정상적으로 단축되는 것을 방지할 수 있다.In addition, the cutting insert according to the embodiment of the present invention can reduce heat generation by minimizing the contact area between the cutting chip and the chip breaker, thereby preventing the life of the cutting insert from being abnormally shortened.
도 1은 본 발명의 실시예에 따른 절삭 인서트를 설명하기 위한 사시도면이다.1 is a perspective view for explaining a cutting insert according to an embodiment of the present invention.
도 2는 도 1의 A부분 상세도면이다.FIG. 2 is a detailed view of portion A of FIG. 1.
도 3은 본 발명의 실시예에 따른 절삭 인서트를 설명하기 위한 평면도이다.3 is a plan view for explaining a cutting insert according to an embodiment of the present invention.
도 4는 도 3의 B부분 상세도면이다.FIG. 4 is a detailed view of portion B of FIG. 3.
도 5는 도 4의 A-A선 단면도이다.5 is a cross-sectional view taken along the line A-A of FIG.
도 6는 본 발명의 실시예에 따른 절삭 인서트에서 칩 브레이커의 작용을 설명하기 위한 도면이다.6 is a view for explaining the action of the chip breaker in the cutting insert according to an embodiment of the present invention.
도 7는 본 발명의 실시예에 따른 절삭 인서트에서 칩 브레이커의 형상에 따른 작용을 설명하기 위한 도면이다.7 is a view for explaining the action according to the shape of the chip breaker in the cutting insert according to an embodiment of the present invention.
도 8은 본 발명의 다른 실시예에 따른 절삭인서트를 설명하기 위한 예시도면이다.8 is an exemplary view for explaining a cutting insert according to another embodiment of the present invention.
본 발명의 이점 및 특징, 그리고 그것들을 달성하는 방법은 첨부되는 도면과 함께 상세하게 후술되어 있는 실시예를 참조하면 명확해질 것이다.Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings.
이하, 첨부된 도면을 참조하여 본 발명의 실시예에 대하여 상세하게 설명한다. 이하에서 설명되는 실시예는 본 발명의 이해를 돕기 위하여 예시적으로 나타낸 것이며, 본 발명은 여기서 설명되는 실시예와 다르게 다양하게 변형되어 실시될 수 있음이 이해되어야 할 것이다. 다만, 본 발명을 설명함에 있어서 관련된 공지 기능 혹은 구성요소에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우 그 상세한 설명 및 구체적인 도시를 생략한다. 또한, 첨부된 도면은 발명의 이해를 돕기 위하여 실제 축척대로 도시된 것이 아니라 일부 구성요소의 크기가 과장되게 도시될 수 있다.Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the present invention. Embodiments described below are shown by way of example in order to help understanding of the present invention, it will be understood that the present invention can be implemented in various modifications different from the embodiments described herein. However, in the following description of the present invention, if it is determined that the detailed description of the related known functions or components may unnecessarily obscure the gist of the present invention, the detailed description and the detailed illustration will be omitted. In addition, the accompanying drawings may be exaggerated in size of some components, rather than drawn to scale to facilitate understanding of the invention.
한편, 후술되는 용어들은 본 발명에서의 기능을 고려하여 설정된 용어들로서 이는 생산자의 의도 또는 관례에 따라 달라질 수 있으므로 그 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.Meanwhile, terms to be described below are terms set in consideration of functions in the present invention, which may vary depending on the intention or custom of the producer, and the definitions thereof should be made based on the contents throughout the present specification.
명세서 전체에 걸쳐 동일 참조 부호는 동일 구성요소를 지칭한다.Like reference numerals refer to like elements throughout.
이하, 도 1 내지 도 5를 참조하여 본 발명의 실시예에 따른 절삭 인서트에 대해서 설명한다.Hereinafter, a cutting insert according to an exemplary embodiment of the present invention will be described with reference to FIGS. 1 to 5.
첨부도면 도 1은 본 발명의 실시예에 따른 절삭 인서트를 설명하기 위한 사시도면이다. 도 2는 도 1의 A부분 상세도면이다. 도 3은 본 발명의 실시예에 따른 절삭 인서트를 설명하기 위한 평면도이다. 도 4는 도 3의 B부분 상세도면이다. 도 5는 도 4의 A-A선 단면도이다.1 is a perspective view for explaining a cutting insert according to an embodiment of the present invention. FIG. 2 is a detailed view of portion A of FIG. 1. 3 is a plan view for explaining a cutting insert according to an embodiment of the present invention. FIG. 4 is a detailed view of portion B of FIG. 3. 5 is a cross-sectional view taken along the line A-A of FIG.
본 발명의 실시예에 따른 절삭 인서트(100)는 상면(110)과 복수의 측면(120)의 모서리에 변부 절인(130)이 각각 형성되고, 어느 하나의 변부 절인(130)과 다른 하나의 변부 절인(130)의 사이에 코너 절인(140)이 형성되며, 중앙에 체결 홀(150)이 형성되고, 상면(110)에 각각의 변부 절인(130)에서 경사지게 경사면(160)이 각각 형성된다.Cutting insert 100 according to an embodiment of the present invention is the edge pickling 130 is formed on the edge of the top surface 110 and the plurality of side surfaces 120, respectively, any one edge pickling 130 and the other edge Corner pickling 140 is formed between the pickling 130, the fastening hole 150 is formed in the center, the inclined surface 160 is formed to be inclined at each side pickling 130 on the upper surface 110, respectively.
그리고 코너 절인(140)과 체결 홈(150)의 중심을 잇는 제1선(L1)상에서 코너 절인(140)과 이격된 위치에 칩 브레이커(200)가 형성된다. 칩 브레이커(200)는 절삭 인서트(100)의 코너마다 형성될 수 있는 것으로써 복수로 제공될 수 있다.The chip breaker 200 is formed at a position spaced apart from the corner pickling 140 on the first line L1 connecting the corner pickling 140 and the fastening groove 150. The chip breaker 200 may be provided in a plurality of corners of the cutting insert 100.
칩 브레이커(200)는 경사면(160)에서 상면(110)을 기준으로 하는 기준면에 대하여 제1각도(a)로 경사지게 형성된 하측경사면(210) 및 하측경사면(210)에서 상면(110)을 기준으로 하는 기준면에 대하여 제2각도(b)로 경사지게 형성된 상측경사면(220)을 포함하여 구성된다.The chip breaker 200 is based on the upper slope 110 and the lower slope 210 and the lower slope 210 formed to be inclined at a first angle (a) with respect to the reference plane based on the upper surface 110 on the inclined surface 160. It comprises a top inclined surface 220 formed to be inclined at a second angle (b) with respect to the reference plane.
본 발명의 실시예에 따른 절삭 인서트의 작용은 첨부도면 도 6을 참조하여 설명한다.The operation of the cutting insert according to the embodiment of the present invention will be described with reference to FIG.
도 6의 (a)는 비교예에 따른 절삭 인서트의 칩 브레이커(20)를 보인 것이다. 비교예에 따른 절삭 인서트(10)의 칩 브레이커(20)는 표면에 하나의 경사면이 형성된 구성이다.FIG. 6A illustrates a chip breaker 20 of a cutting insert according to a comparative example. The chip breaker 20 of the cutting insert 10 according to the comparative example is configured to have one inclined surface.
즉, 비교예에 따른 칩 브레이커(20)는 절삭 가공이 수행될 때에, 절삭 칩과 칩 브레이커 간에 접촉은 1개의 점에서 이루어지고, 이로써 절삭 칩의 곡률 반경(R1)이 매우 크게 형성된다.That is, in the chip breaker 20 according to the comparative example, when cutting is performed, the contact between the cutting chip and the chip breaker is made at one point, whereby the radius of curvature R1 of the cutting chip is very large.
도 6의 (b)는 본 발명의 실시예에 따른 절삭 인서트의 칩 브레이커(200)를 보인 것이다. 도 6의 (b)에 나타낸 바와 같이, 본 발명의 실시예에 따른 절삭인서트(100)의 칩 브레이커(200)는 하측경사면(210)과 상측경사면(220)이 구성된 것으로써 2개의 경사면이 형성된 것이다.6 (b) shows the chip breaker 200 of the cutting insert according to the embodiment of the present invention. As shown in (b) of FIG. 6, the chip breaker 200 of the cutting insert 100 according to the embodiment of the present invention has a lower inclined surface 210 and an upper inclined surface 220, and two inclined surfaces are formed. will be.
본 발명의 실시예에 따른 칩 브레이커(20)는 절삭가공이 수행될 때에, 절삭 칩과 칩 브레이커 간에 접촉은 2개의 점에서 이루어지고, 이로써 절삭 칩의 곡률 반경(R2)은 비교예에 따른 곡률 반경(R1)에 비교하여 상대적으로 작게 형성된다.In the chip breaker 20 according to the embodiment of the present invention, when cutting is performed, contact between the cutting chip and the chip breaker is made at two points, whereby the radius of curvature R2 of the cutting chip is the curvature according to the comparative example. It is formed relatively small compared to the radius R1.
따라서 본 발명의 실시예에 따른 절삭 인서트(100)에 의해 생성되는 절삭 칩은 작은 크기로 둥글게 말려져 끊길 수 있으며, 나아가 절삭 칩의 배출이 원활해지는 작용효과가 있다.Therefore, the cutting chip generated by the cutting insert 100 according to the embodiment of the present invention can be cut and rolled round to a small size, further has the effect of smoothing the discharge of the cutting chip.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 제2각도(b)가 제1각도(a)보다 큰 각도인 것일 수 있다. 이에 부연 설명하면, 도 5의 (b)에 나타낸 바와 같이, 상측경사면(220)이 하측경사면(210)에 비교하여 상대적으로 급 경사면으로 형성된다. 이로써 절삭 칩이 생성되어 성장될 때에 경사면(160)을 따라 유도된 후에, 절삭 칩이 하측경사면(210)과 접촉되면서 1차로 구부려지고, 절삭 칩이 상측경사면(220)과 접촉되면서 2차로 구부려진다. 즉, 절삭 칩은 1, 2차로 연속되어 구부러짐으로써 구부러지는 반경이 작게 형성되는 효과가 있다.In addition, the cutting insert according to the embodiment of the present invention, the second angle (b) may be an angle larger than the first angle (a). In detail, as illustrated in FIG. 5B, the upper inclined surface 220 is formed as a relatively inclined surface as compared with the lower inclined surface 210. As a result, after the cutting chips are generated and guided along the inclined surface 160 when they are grown, the cutting chips are primarily bent in contact with the lower inclined surface 210, and the cutting chips are bent secondly in contact with the upper inclined surface 220. . That is, the cutting chip has the effect of forming a small bending radius by successively bending the first and second.
한편, 본 발명의 실시예에 따른 절삭 인서트는, 절삭 칩이 제1점과 제2점에서 부분적으로 접촉되므로 마찰저항이 작고, 이로써 발열이 종래의 기술의 절삭인서트에 비교하여 낮게 형성될 수 있다. 나아가 발열이 낮음으로써 절삭인서트의 수명이 비정상적으로 단축되는 것을 방지할 수 있다.On the other hand, the cutting insert according to the embodiment of the present invention, since the cutting chip is partially contacted at the first point and the second point, the frictional resistance is small, whereby the heat generation can be formed lower than the cutting insert of the prior art. . Furthermore, the low heat generation can prevent the life of the cutting insert from being abnormally shortened.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 도 5의 (a)에 나타낸 바와 같이, 하측경사면(210)에 볼록하게 형성된 볼록면(230)을 더 포함할 수 있다. 이로써 절삭 칩이 생성되어 성장될 때에 경사면(160)을 따라 유도된 후에, 절삭 칩이 볼록면(230)과 접촉되면서 1차로 구부려지고, 절삭 칩이 하측경사면(210)과 접촉되면서 2차로 구부려지고, 절삭 칩이 상측경사면(220)과 접촉되면서 3차로 구부려질 수 있다. 즉, 절삭 칩은 1, 2, 3차로 연속되어 구부러짐으로써 구부러지는 반경이 작게 형성되는 효과가 있다.In addition, the cutting insert according to the embodiment of the present invention may further include a convex surface 230 formed convexly on the lower inclined surface 210, as shown in FIG. Thus, after the cutting chips are generated and guided along the inclined surface 160 as they are grown, the cutting chips are primarily bent in contact with the convex surface 230, and the cutting chips are bent secondly in contact with the lower inclined surface 210. The cutting chip may be bent in the third direction while contacting the upper inclined surface 220. That is, the cutting chip has the effect of forming a small bending radius by bending continuously in the 1st, 2nd, 3rd order.
한편, 본 발명의 실시예에 따른 절삭 인서트는, 절삭 칩이 제1, 2, 3점에서 부분적으로 접촉되므로 마찰저항이 작고, 이로써 발열이 종래의 기술의 절삭인서트에 비교하여 낮게 형성될 수 있다. 나아가 발열이 낮음으로써 절삭인서트의 수명이 비정상적으로 단축되는 것을 방지할 수 있다.On the other hand, the cutting insert according to the embodiment of the present invention, since the cutting chips are partially contacted at the first, second, and third points, the frictional resistance is small, whereby the heat generation can be formed lower than the cutting insert of the prior art. . Furthermore, the low heat generation can prevent the life of the cutting insert from being abnormally shortened.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 볼록면(230)이 볼록한 곡면인 것일 수 있다. 이로써 절삭 칩이 생성되어 성장될 때에 볼록면(230)과 특정한 점(point)에서 접촉되므로 마찰저항을 더욱 줄일 수 있다.In addition, the cutting insert according to the embodiment of the present invention, the convex surface 230 may be a convex curved surface. As a result, when the cutting chip is generated and grown, the frictional resistance may be further reduced because the cutting chip comes into contact with the convex surface 230 at a specific point.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 도 5의 (a)에 나타낸 바와 같이, 볼록면(230)이 경사면(160)에 닿는 제1점과 볼록면(230)이 하측경사면(210)에 닿는 제2점으로 정의될 때, 제1점과 제2점을 잇는 제2선(L2)이 상면(110)을 기준으로 하는 기준면에 대하여 이루는 각도가 제1각도(a)보다 작은 제3각도(c)인 것일 수 있다. 이로써 절삭 칩이 생성되어 성장될 때에 볼록면(230)의 표면에서 한 점(point)에서 접촉될 수 있고, 한편으로, 절삭 칩이 볼록면(230)의 양쪽으로 흘러내릴 경우에 하측경사면(210)과 접촉되도록 유도될 수도 있다. 즉, 절삭 칩의 흐름을 더욱 원활하게 유도할 수 있는 효과가 있다.In addition, in the cutting insert according to the exemplary embodiment of the present invention, as shown in FIG. 5A, the first point where the convex surface 230 touches the inclined surface 160 and the lower surface of the convex surface 230 are inclined 210. When defined as a second point touching), the angle formed by the second line L2 connecting the first point and the second point with respect to the reference plane based on the upper surface 110 is smaller than the first angle a. It may be a three angle (c). This allows contact at one point on the surface of the convex surface 230 as the cutting chip is generated and grown, while lower sloped surface 210 when the cutting chip flows to both sides of the convex surface 230. ) May be induced to contact. That is, there is an effect that can induce the flow of the cutting chip more smoothly.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 도 2 및 도 4에 나타낸 바와 같이, 하측경사면(210)과 상측경사면(220)은 복수인 것일 수 있다. 좀 더 상세하게는 하측경사면(210)은 제1, 2, 3 하측경사면(211, 212, 213)으로 제공될 수 있다. 상측경사면(220)은 제1, 2, 3 상측경사면(221, 222, 223)으로 제공될 수 있다. 이로써 절삭 칩이 생성되어 성장될 때에 임의의 방향으로 성장되더라도 항상 하측경사면(210)과 상측경사면(220)을 접촉할 수 있게 된다. 결국, 절삭 칩은 다중으로 구부려질 수 있어 배출이 용이하게 된다.In addition, the cutting insert according to the embodiment of the present invention, as shown in Figures 2 and 4, the lower inclined surface 210 and the upper inclined surface 220 may be a plurality. More specifically, the lower sloped surface 210 may be provided as the first, second, and third lower sloped surfaces 211, 212, and 213. The upper sloped surface 220 may be provided as the first, second, and third upper sloped surfaces 221, 222, and 223. As a result, when the cutting chip is generated and grown, the lower inclined surface 210 and the upper inclined surface 220 may always be in contact with each other even when grown in an arbitrary direction. As a result, the cutting chip can be bent in multiples to facilitate ejection.
또한, 본 발명의 실시예에 따른 절삭 인서트는, 도 2 및 도 4에 나타낸 바와 같이, 상면(110)이 바로 보이는 평면도에서 볼 때에, 제1선(L1)을 기준으로 복수의 하측경사면(210)과 복수의 상측경사면(220)이 대칭인 것일 수 있다. 이로써 도 7에 나타낸 바와 같이 절삭가공의 이송방향이 동일할 때에 절입 방향을 다르게 설정할 수 있다. 특히, 절입 방향을 대칭된 방향으로 설정되더라도 절삭 칩은 양호한 크기로 생성될 수 있는 것이다.In addition, the cutting insert according to the embodiment of the present invention, as shown in Figures 2 and 4, when viewed from the top view immediately visible top surface 110, a plurality of lower inclined surface 210 relative to the first line (L1). ) And the plurality of upper inclined surfaces 220 may be symmetrical. Thus, as shown in Fig. 7, the cutting direction can be set differently when the feed direction of cutting is the same. In particular, the cutting chip can be produced with good size even if the infeed direction is set in the symmetrical direction.
다른 한편으로, 절삭 인서트(100)의 변부 절인(130)이 코너 절인(140)을 기준으로 양쪽에 각각 오른 쪽의 주절인(130R)과 왼쪽의 주절인(130L)으로 제공될 수 있고, 본 발명의 실시예에 따른 절삭인서트(100)는 양쪽의 주절인(130R, 130L)을 모두 사용할 수 있는 것이다. 특히, 본 발명의 실시예에 따른 절삭인서트(100)는 양쪽의 주절인(130R, 130L)을 모두에서 절삭 칩의 크기를 최소화하도록 절삭 가공을 수행할 수 있다.On the other hand, the edge pickling 130 of the cutting insert 100 may be provided as the right main cutout 130R and the left main cutout 130L on both sides with respect to the corner pickling 140, respectively. The cutting insert 100 according to the embodiment of the present invention can use both main cutting edges 130R and 130L. In particular, the cutting insert 100 according to the embodiment of the present invention can perform a cutting process to minimize the size of the cutting chip in both the main cutting (130R, 130L).
또한, 본 발명의 실시예에 따른 절삭 인서트는, 도 4에 나타낸 바와 같이 복수의 하측경사면(210)에 각각 볼록하게 형성된 볼록면(230)을 더 포함할 수 있다. 좀 더 상세하게는 볼록면(230)은 제1, 2, 3 볼록면(231, 232, 233)으로 제공될 수 있다. 이로써 절삭 칩이 생성되어 성장될 때에 절삭 칩이 임의 방향으로 틀어지더라도 그 절삭 칩은 복수의 볼록면(230), 즉, 제1, 2, 3 볼록면(231, 232, 233) 중에 어느 하나와 접촉하게 됨으로써 절삭 칩의 크기를 최소화하도록 절삭 가공을 수행할 수 있다.In addition, the cutting insert according to the embodiment of the present invention, as shown in Figure 4 may further include a convex surface 230 is formed convex on the plurality of lower inclined surfaces 210, respectively. More specifically, the convex surface 230 may be provided as the first, second, and third convex surfaces 231, 232, and 233. As a result, even when the cutting chip is distorted in an arbitrary direction when the cutting chip is generated and grown, the cutting chip is any one of the plurality of convex surfaces 230, that is, the first, second, and third convex surfaces 231, 232, and 233. By contacting with the cutting process can be performed to minimize the size of the cutting chip.
한 바와 같이 이루어진 본 발명의 실시예에 따른 절삭 인서트(100)는 절삭 칩이 생성될 때에 절삭 칩은 칩 브레이커(200)와 2점 또는 3점에서 접촉되고 이로써 절삭 칩이 둥글게 말릴 때에 절삭 칩의 반경(R2)이 작아질 수 있다. 나아가 절삭 칩의 외형적인 크기가 작아짐으로써 절삭 칩의 배출이 양호하게 된다.The cutting insert 100 according to the embodiment of the present invention, which is made as described above, has a cutting chip in contact with the chip breaker 200 at two or three points when the cutting chip is generated, and thus, when the cutting chip is rolled round, The radius R2 can be made smaller. Furthermore, the size of the cutting chip is reduced, so that the discharge of the cutting chip is good.
또한, 본 발명의 실시예에 따른 절삭 인서트(100)는 절입 량이 작은 절삭 가공 환경에서도 절삭 칩의 처리가 양호할 수 있다.In addition, the cutting insert 100 according to the embodiment of the present invention may be a good treatment of the cutting chip in a cutting environment with a small amount of cut.
또한, 본 발명의 실시예에 따른 절삭 인서트(100)는 절삭 칩의 배출을 양호하게 유도함으로써 절삭 칩과 소재(W)가 간섭되어 완성품의 품질이 저하되는 것을 방지할 수 있다.In addition, the cutting insert 100 according to the embodiment of the present invention can prevent the cutting chip and the material (W) is interfered with by inducing the discharge of the cutting chip satisfactorily to reduce the quality of the finished product.
또한, 본 발명의 실시예에 따른 절삭 인서트(100)는 절삭 칩과 칩 브레이커(200)가 접하는 면적이 최소화됨으로써 발열을 저감할 수 있고, 이로써 절삭 인서트의 수명이 비정상적으로 단축되는 것을 방지할 수 있다.In addition, the cutting insert 100 according to the embodiment of the present invention can reduce heat generation by minimizing the area where the cutting chip and the chip breaker 200 come into contact with each other, thereby preventing the life of the cutting insert from being abnormally shortened. have.
다른 한편으로, 본 발명의 실시예에 따른 절삭인서트(100)는 다양한 형태로 변경하여 실시가 가능하다. 이는 도 8을 참조하여 설명한다. 첨부도면 도 8은 본 발명의 다른 실시예에 따른 절삭인서트를 설명하기 위한 예시도면이다.On the other hand, the cutting insert 100 according to an embodiment of the present invention can be implemented in various forms. This will be described with reference to FIG. 8. Accompanying drawings Figure 8 is an exemplary view for explaining a cutting insert according to another embodiment of the present invention.
도 8의 (a)는 칩 브레이커(200)와 상면(110)의 사이에 융기 연장부(300)가 형성된 실시예에이다. 특히 융기 연장부(300)의 표면은 칩 브레이커(200)의 최상측 표면보다 낮게 형성된다. 이로써 절삭 칩이 칩 브레이커(200)를 지나친 직후에 절삭인서트(100)와 마찰되지 않음으로써 발열을 더욱 줄일 수 있게 된다.FIG. 8A illustrates an embodiment in which the ridge extension 300 is formed between the chip breaker 200 and the top surface 110. In particular, the surface of the ridge extension 300 is formed lower than the top surface of the chip breaker 200. As a result, the cutting chip is not rubbed with the cutting insert 100 immediately after passing the chip breaker 200, thereby further reducing heat generation.
도 8의 (b)는 칩 브레이커(200)이 형상에 대한 변형된 예로서, 상면(110)이 바로 보이는 평면도에서 볼 때에, 제1선(L1)상에는 제1 하측경사면(211)과 제2 하측경사면(212)의 모서리가 위치되는 예이다. 이로써 절삭 칩이 생성되어 성장될 때에 절삭 칩이 칩 브레이커(200)와 접촉되는데 절삭 칩은 모서리에서 진행 방향이 갈라질 수 있다. 즉, 절삭 칩의 배출 방향이 어느 한쪽으로 치우치지 않고 임의의 방향으로 분산됨으로써 특정한 부분에 마모가 집중되는 것을 방지할 수 있다.8B illustrates a modified example of the shape of the chip breaker 200. When viewed from a plan view in which the upper surface 110 is directly viewed, the first lower slope 211 and the second inclined surface 211 are formed on the first line L1. It is an example where the edge of the lower inclined surface 212 is located. As a result, the cutting chips are in contact with the chip breaker 200 when the cutting chips are generated and grown. In other words, it is possible to prevent the concentration of wear in a specific part by dispersing the cutting chip in an arbitrary direction without biasing either side.
도 8의 (c)는 경사면(160)과 상면(110)의 일부에 물결 모양의 웨이브 서페이스(400)를 형성한 것이다. 이로써 변부 절인(130)의 길이가 길어지는 효과가 있어 절삭 효과가 향상될 수 있다. 또한, 웨이브 서페이스(400)는 절삭인서트의 표면적을 넓게 형성하여 방열 효과를 향상시킬 수 있다. 즉, 웨이브 서페이스(400)는 절삭 칩이 절삭 인서트(100)와의 마찰에 의해 발생되는 발열을 좀 더 신속하게 냉각 시킬 수 있는 효과가 있다. FIG. 8C illustrates a wavy wave surface 400 formed on a part of the inclined surface 160 and the upper surface 110. As a result, the length of the edge pickles 130 may be increased, and thus the cutting effect may be improved. In addition, the wave surface 400 may improve the heat dissipation effect by forming a large surface area of the cutting insert. That is, the wave surface 400 has an effect that the cutting chip can more quickly cool the heat generated by the friction with the cutting insert (100).
이상 첨부된 도면을 참조하여 본 발명의 실시예를 설명하였지만, 본 발명이 속하는 기술분야의 당업자는 본 발명이 그 기술적 사상이나 필수적 특징을 변경하지 않고 다른 구체적인 형태로 실시될 수 있다는 것을 이해할 수 있을 것이다.Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains can understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features. will be.
그러므로 이상에서 기술한 실시예는 모든 면에서 예시적인 것이며 한정적인 것이 아닌 것으로서 이해되어야 하고, 본 발명의 범위는 후술하는 특허청구범위에 의하여 나타내어지며, 특허청구범위의 의미 및 범위 그리고 그 등가개념으로부터 도출되는 모든 변경 또는 변형된 형태가 본 발명의 범위에 포함되는 것으로 해석되어야 한다.Therefore, the above-described embodiments are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the following claims, and from the meaning and scope of the claims and their equivalent concepts. All changes or modifications which come out should be construed as being included in the scope of the present invention.

Claims (11)

  1. 상면과 복수의 측면의 모서리에 변부 절인이 각각 형성되고, 어느 하나의 변부 절인과 다른 하나의 변부 절인의 사이에 코너 절인이 형성되며, 중앙에 체결 홀이 형성되고, 상기 상면에 상기 각각의 변부 절인에서 경사지게 경사면이 각각 형성된 절삭 인서트에 있어서,Edge pickles are formed at the edges of the upper surface and the plurality of side surfaces, respectively, corner pickles are formed between any one of the edge pickles and the other edge pickles, a fastening hole is formed at the center, and the respective edges are formed on the top surface. In the cutting inserts, each of which has an inclined surface inclined at picking,
    상기 코너 절인과 상기 체결 홈의 중심을 잇는 제1선상에서 상기 코너 절인과 이격된 위치에 형성된 복수의 칩 브레이커;를 포함하고,And a plurality of chip breakers formed at positions spaced apart from the corner pickles on a first line connecting the centers of the corner pickles and the fastening grooves.
    상기 칩 브레이커는,The chip breaker,
    상기 경사면에서 상기 상면을 기준으로 하는 기준면에 대하여 제1각도로 경사지게 형성된 하측경사면; 및A lower inclined surface formed to be inclined at a first angle with respect to a reference surface based on the upper surface from the inclined surface; And
    상기 하측경사면에서 상기 상면을 기준으로 하는 기준면에 대하여 제2각도로 경사지게 형성된 상측경사면;을 포함하는 절삭 인서트.And an upper inclined surface formed to be inclined at a second angle with respect to a reference surface based on the upper surface from the lower inclined surface.
  2. 제 1항에 있어서,The method of claim 1,
    상기 제2각도가 상기 제1각도보다 큰 각도인 것을 특징으로 하는 절삭 인서트.And the second angle is an angle greater than the first angle.
  3. 제 1항에 있어서,The method of claim 1,
    상기 하측경사면에 볼록하게 형성된 볼록면;을 더 포함하는 것을 특징으로 하는 절삭 인서트.And a convex surface formed convexly on the lower inclined surface.
  4. 제 3항에 있어서,The method of claim 3, wherein
    상기 볼록면이 볼록한 곡면인 것을 특징으로 하는 절삭 인서트.And the convex surface is a convex curved surface.
  5. 제 3항 또는 제4항에 있어서,The method according to claim 3 or 4,
    상기 볼록면이 상기 경사면에 닿는 제1점과 상기 볼록면이 상기 하측경사면에 닿는 제2점으로 정의될 때,When the convex surface is defined as a first point in contact with the inclined surface and the convex surface is a second point in contact with the lower inclined surface,
    상기 제1점과 상기 제2점을 잇는 제2선이 상기 상면을 기준으로 하는 기준면에 대하여 이루는 각도가 상기 제1각도보다 작은 제3각도인 것을 특징으로 하는 절삭 인서트.And a second angle formed by the second line connecting the first point and the second point with respect to the reference plane based on the upper surface is a third angle smaller than the first angle.
  6. 제 1항에 있어서,The method of claim 1,
    상기 하측경사면과 상기 상측경사면은 복수인 것을 특징으로 하는 절삭 인서트.And the lower inclined surface and the upper inclined surface are plural.
  7. 제 6항에 있어서,The method of claim 6,
    상기 상면이 바로 보이는 평면도에서 볼 때에,When viewed from the top view of the top surface immediately,
    상기 제1선을 기준으로 상기 복수의 하측경사면과 상기 복수의 상측경사면이 대칭인 것을 특징으로 하는 절삭 인서트.And the plurality of lower inclined surfaces and the plurality of upper inclined surfaces are symmetrical with respect to the first line.
  8. 제 7항에 있어서,The method of claim 7, wherein
    상기 복수의 하측경사면에 각각 볼록하게 형성된 볼록면;을 더 포함하는 것을 특징으로 하는 절삭 인서트.And a convex surface formed convexly on the plurality of lower inclined surfaces, respectively.
  9. 제 1항에 있어서,The method of claim 1,
    상기 칩 브레이커와 상기 상면의 사이에 칩 브레이커의 최상측 표면보다 낮게 형성되는 융기 연장부;를 더 포함하는 것을 특징으로 하는 절삭 인서트.And a ridge extension formed between the chip breaker and the upper surface to be lower than the uppermost surface of the chip breaker.
  10. 제 1항에 있어서,The method of claim 1,
    상면이 바로 보이는 평면도에서 볼 때에,When viewed from the top view, which is immediately visible
    상기 제1선상에는 상기 제1 하측경사면과 상기 제2 하측경사면의 모서리가 위치되는 것을 특징으로 하는 절삭 인서트.Cutting edges, characterized in that the edge of the first lower inclined surface and the second lower inclined surface is located on the first line.
  11. 제 1항에 있어서,The method of claim 1,
    상기 경사면과 상기 상면의 일부에 물결 모양으로 형성된 웨이브 서페이스;를 더 포함하는 것을 특징으로 하는 절삭 인서트.And a wave surface formed in a wave shape on the inclined surface and a portion of the upper surface.
PCT/KR2015/009427 2014-10-07 2015-09-07 Cutting insert WO2016056756A1 (en)

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KR10-2014-0135062 2014-10-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114829046A (en) * 2019-12-27 2022-07-29 韩国冶金株式会社 Cutting insert and cutting tool equipped with the same

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JP2000254807A (en) * 1999-03-05 2000-09-19 Mitsubishi Materials Corp Throw away tip
JP2002011607A (en) * 2000-06-28 2002-01-15 Kyocera Corp Throwaway tip
JP2010530813A (en) * 2007-06-26 2010-09-16 テグテック・リミテッド Cutting insert with corner projection
KR20120003248A (en) * 2010-07-02 2012-01-10 한국야금 주식회사 The cutting insert
JP2012045634A (en) * 2010-08-24 2012-03-08 Mitsubishi Materials Corp Cutting insert

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Publication number Priority date Publication date Assignee Title
JP2000254807A (en) * 1999-03-05 2000-09-19 Mitsubishi Materials Corp Throw away tip
JP2002011607A (en) * 2000-06-28 2002-01-15 Kyocera Corp Throwaway tip
JP2010530813A (en) * 2007-06-26 2010-09-16 テグテック・リミテッド Cutting insert with corner projection
KR20120003248A (en) * 2010-07-02 2012-01-10 한국야금 주식회사 The cutting insert
JP2012045634A (en) * 2010-08-24 2012-03-08 Mitsubishi Materials Corp Cutting insert

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114829046A (en) * 2019-12-27 2022-07-29 韩国冶金株式会社 Cutting insert and cutting tool equipped with the same
CN114829046B (en) * 2019-12-27 2024-01-26 韩国冶金株式会社 Cutting insert and cutting tool equipped with the same

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