WO2022180697A1 - 切削工具 - Google Patents
切削工具 Download PDFInfo
- Publication number
- WO2022180697A1 WO2022180697A1 PCT/JP2021/006893 JP2021006893W WO2022180697A1 WO 2022180697 A1 WO2022180697 A1 WO 2022180697A1 JP 2021006893 W JP2021006893 W JP 2021006893W WO 2022180697 A1 WO2022180697 A1 WO 2022180697A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- grooves
- cutting
- rake face
- cut
- groove
- Prior art date
Links
- 239000002245 particle Substances 0.000 claims description 25
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 3
- 239000002173 cutting fluid Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 9
- 239000012634 fragment Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000011195 cermet Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 150000003609 titanium compounds Chemical class 0.000 description 2
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 2
- 101100008044 Caenorhabditis elegans cut-1 gene Proteins 0.000 description 1
- 101100008046 Caenorhabditis elegans cut-2 gene Proteins 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
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
- B23B27/10—Cutting tools with special provision for cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/28—Features relating to lubricating or cooling
Definitions
- the present invention relates to cutting tools, and more particularly to cutting tools having a plurality of grooves.
- Japanese Patent Application Laid-Open No. 2009-202283 describes a cutting tool in which a cutting edge is formed on a ridgeline where a rake face and a flank face intersect.
- an undulating shape plural of grooves arranged regularly is formed on the cutting edge side of the rake face.
- the rake face is formed with an undulating shape that serves as an oil reservoir for the cutting fluid, so that when cutting an object to be cut, the rake face and chips The frictional resistance between is reduced, and the progress of wear on the rake face is suppressed.
- the present invention was made to solve the above problems, and one object of the present invention is to suppress the decrease in tool life by suppressing the progress of wear on both the rake face and the flank face. To provide a cutting tool capable of
- a cutting tool includes a cutting edge for cutting an object to be cut, and a portion where chips generated by cutting the object to be cut by the cutting edge come into contact with each other. and a flank including a portion that contacts the cut surface of the workpiece, and a plurality of first grooves are formed on the cutting edge side of the rake surface, and the flank cut A plurality of second grooves are formed on the blade side.
- a plurality of first grooves are formed on the cutting edge side of the rake face, and a plurality of second grooves are formed on the cutting edge side of the flank face.
- the plurality of first grooves are each formed on the rake face so as to extend in a direction intersecting with the direction in which chips are discharged.
- the discharged chips are disposed in the plurality of first grooves. Therefore, it is possible to suppress a decrease in the amount of cutting fluid that can be stored in the plurality of first grooves. As a result, the cutting fluid is likely to be maintained in the region of the rake face where the plurality of first grooves are formed, thereby effectively suppressing the progress of wear of the rake face.
- each of the plurality of first grooves is formed on the rake face so as to extend along a direction substantially perpendicular to the chip discharge direction.
- the plurality of second grooves are formed on the flank so as to extend along the cutting direction of the object to be cut by the cutting edge.
- the direction in which the plurality of second grooves extend is less likely to differ from the direction in which the cutting fluid is supplied (generally, cutting is often performed from the rear, diagonally rear, etc. of the cutting direction). Therefore, the cutting fluid supplied to the region of the flank where the plurality of second grooves are formed can be made easier to reach the vicinity of the cutting edge via the plurality of second grooves.
- each of the plurality of first grooves preferably has a groove width greater than that of hard particles generated between the rake face and chips by cutting the workpiece. and groove depth.
- the rake face is provided with a chip treating portion for bending chips to the side opposite to the rake face, and a plurality of first grooves are formed.
- the first groove formation region is formed so as not to overlap the chip disposal portion on the rake face.
- the chip disposal portion is provided in the central portion of the rake face in a direction orthogonal to the direction in which chips are discharged, and the first groove forming region is formed so as to surround the chip disposal portion. is formed in a U shape. According to this configuration, the first groove forming region can be easily formed on the rake face so as not to overlap the chip processing portion.
- the first groove forming region in which the plurality of first grooves are formed is formed so as to extend from the cutting edge side toward the side opposite to the cutting edge on the rake face. It is With this configuration, since the first groove forming region extends toward the opposite side of the cutting edge on the rake face, the portion of the first groove forming region that is not in contact with the chips (cutting fluid supplyable portion) can be easily generated. As a result, cutting fluid can be easily supplied to the plurality of first grooves, compared to the case where the first groove forming region does not extend toward the side opposite to the cutting edge.
- each of the plurality of second grooves preferably has a groove width greater than that of hard particles generated between at least the flank and the surface to be cut by cutting the object to be cut. and groove depth.
- each of the plurality of second grooves preferably has a groove depth smaller than the groove width.
- the depth of the second groove is relatively shallow, so that the shape of the second groove formed on the flank is transferred to the cut surface of the workpiece that contacts the flank. can be suppressed.
- the plurality of second grooves are each formed on the flank so as to extend from the cutting edge side to the vicinity of the end opposite to the cutting edge. According to this configuration, the region in which the plurality of second grooves are formed becomes relatively wide on the flank, so that it is possible to easily supply the cutting fluid to the second grooves.
- FIG. 1 is a perspective view of a cutting tool according to one embodiment of the invention
- FIG. 2 is an enlarged perspective view of portion P of FIG. 1
- FIG. FIG. 4 is a diagram for explaining contact between a cutting tool and an object to be cut when cutting the object; It is the figure which looked at FIG. 2 from the A direction.
- FIG. 5 is a cross-sectional view taken along line 1100-1100 of FIG. 4; It is the figure which looked at FIG. 2 from the B direction.
- FIG. 7 is a cross-sectional view taken along line 1200-1200 of FIG. 6;
- FIG. 10 is a diagram showing a first groove forming region according to a first modified example of one embodiment of the present invention;
- FIG. 10 is a diagram showing a first groove forming region according to a first modified example of one embodiment of the present invention.
- FIG. 10 is a diagram showing a first groove forming region according to a second modified example of one embodiment of the present invention
- FIG. 10 is a diagram showing a first groove forming region according to a third modified example of one embodiment of the present invention
- FIG. 14 is a diagram showing a first groove formation region according to a fourth modified example of one embodiment of the present invention
- FIG. 14 is a diagram showing a second groove forming region according to a fifth modified example of one embodiment of the present invention
- FIG. 14 is a diagram showing a second groove forming region according to a sixth modified example of one embodiment of the present invention
- FIG. 14 is a diagram showing a second groove forming region according to a seventh modified example of one embodiment of the present invention
- FIG. 14 is a diagram showing a first groove forming region according to an eighth modified example of one embodiment of the present invention
- FIG. 1 The configuration of a cutting tool 100 according to one embodiment of the present invention will be described with reference to FIGS. 1 to 7.
- FIG. 3 The cutting tool 100 is a tool for cutting an object to be cut 1 (see FIG. 3) such as metal.
- the cutting tool 100 is a cutting edge (tip) of an indexable tool.
- a central portion of the cutting tool 100 is provided with a mounting hole 11 for mounting the cutting tool 100, which is a cutting edge, to a tool body (not shown).
- the cutting tool 100 has a parallelepiped shape including two rhombus-shaped bottom surfaces arranged parallel to each other and four side surfaces connecting the two bottom surfaces.
- the direction in which the longer diagonal of the bottom surface extends, the direction in which the shorter diagonal of the bottom surface extends, and the direction in which the side surface extends are the X direction, the Y direction, and the Z direction, respectively.
- one side in the X direction, the other side in the X direction, one side in the Y direction, the other side in the Y direction, one side in the Z direction, and the other side in the Z direction are the X1 side, the X2 side, the Y1 side, respectively.
- the cutting tool 100 it is possible to use a plurality of parallelepiped-shaped vertices (tops 12) as cutting edges 20 (described later) for cutting the workpiece 1 (see FIG. 3).
- the object 1 to be cut is cut using the vertex (apex 12a) on one side (X1 side) in the X direction and one side (Z1 side) in the Z direction of the cutting tool 100 having a parallelepiped shape.
- the cutting direction of the workpiece 1 is the Z1 direction.
- the cutting tool 100 includes a cutting edge 20, a rake face 30, and a flank face 40.
- the cutting edge 20 is formed on the ridgeline where the rake face 30 and the flank face 40 intersect. As shown in FIG. 3, the cutting edge 20 has the shape of a round surface. The cutting edge 20 is configured to bite into the object 1 to be cut when cutting the object 1 to be cut.
- the rake face 30 is a face including a portion 31 with which chips 2 produced by cutting the workpiece 1 with the cutting edge 20 come into contact.
- the rake face 30 is formed along the direction (X2 direction) in which chips 2 are discharged when cutting the object 1 to be cut.
- the cutting fluid is supplied to the rake face 30 from the side opposite to the cutting edge 20 (X2 side).
- the rake face 30 is provided with a chip processing portion 32 .
- the chip processing portion 32 is formed to protrude from the rake face 30 .
- the chip processing portion 32 is provided on the rake face 30 at a central portion 30a (see FIG. 4) in the direction (Y direction) orthogonal to the direction (X2 direction) in which the chips 2 are discharged.
- the chip processing portion 32 is provided to bend the chips 2 discharged in the X2 direction to the side opposite to the rake face 30 (Z1 side).
- illustration of the chip processing part 32 is abbreviate
- the flank 40 is a surface including a portion 41 that comes into contact with the cut surface 1a of the object 1 to be cut when the object 1 to be cut is cut.
- the flank 40 is formed along the surface 1a to be cut when the object 1 to be cut is cut. That is, the flank 40 and the cut surface 1a are formed along the Z direction.
- a plurality of first grooves 51a are formed on the cutting edge 20 side of the rake face 30, as shown in FIG.
- the first groove forming region 50 in which the plurality of first grooves 51a are formed extends from the cutting edge 20 side (X1 side) to the side opposite to the cutting edge 20 (X2 side) on the rake face 30 formed.
- the first groove forming region 50 is cut so that when the cutting tool 100 cuts the object 1 to be cut, there is a portion that does not come into contact with the chips 2 of the object 1 to be cut. It is formed so as to extend on the side opposite to the blade 20 (X2 side).
- a first groove forming region 50 is formed along the cutting edge 20 on the rake face 30 . Also, the first groove forming region 50 is formed in a U shape so as to surround the chip processing portion 32 . That is, the first groove forming region 50 is formed so as not to overlap the chip processing portion 32 on the rake face 30 .
- each of the plurality of first grooves 51a is at least larger than the hard particles 3a generated between the rake face 30 and the chips 2 when the workpiece 1 is cut. It has a groove width W1 and a groove depth D1. Moreover, each of the plurality of first grooves 51a has a curved peak portion and a valley portion.
- the "hard particles 3a generated between the rake face 30 and the chips 2" refer to fragments of the work piece 1 dropped from the chips 2 when the work piece 1 is cut. Fragments of the stripped cutting tool 100, and the like.
- a coating 53 is applied to the surface of the base material 52 in the first groove forming region 50 in which the plurality of first grooves 51a are formed.
- the base material 52 is, for example, cermet or cemented carbide.
- a titanium compound titanium carbide, titanium carbonitride, etc.
- alumina or the like is used for the coating 53.
- the plurality of first grooves 51a are arranged adjacent to each other.
- Each of the plurality of first grooves 51a is formed on the rake face 30 so as to extend along a direction (Y direction) substantially orthogonal to the direction (X2 direction) in which the chips 2 are discharged. That is, each of the plurality of first grooves 51a is formed on the rake face 30 so as to extend in a direction intersecting the direction in which the chips 2 are discharged (a direction different from the direction in which the chips 2 are discharged). .
- the first groove formation region 50 is formed with connection grooves 51b that connect the plurality of first grooves 51a to each other.
- the plurality of first grooves 51a are connected to each other by connecting grooves 51b arranged in the outer edge portion 50a of the first groove forming region 50 formed in a U-shape.
- the plurality of first grooves 51a are connected to each other by a circumferential connecting groove 51b formed to extend along the outer edge portion 50a so as to surround the first groove forming region 50. As shown in FIG.
- a plurality of second grooves 61 are formed on the flank 40 on the cutting edge 20 side. Then, the second groove forming region 60 in which the plurality of second grooves 61 are formed extends from the cutting edge 20 side (Z1 side) toward the side opposite to the cutting edge 20 (Z2 side) on the flank 40. ing.
- the plurality of second grooves 61 are each formed on the flank 40 so as to extend along the cutting direction (Z direction) of the workpiece 1 cut by the cutting edge 20 .
- Each of the plurality of second grooves 61 is formed on the flank 40 so as to extend from the cutting edge 20 side (Z1 side) to the vicinity of the end 40a on the side opposite to the cutting edge 20 (Z2 side).
- the plurality of second grooves 61 extend from the vicinity of the top portion 12 on one side (Z1 side) in the Z direction to the vicinity of the top portion 12 on the other side (Z2 side) in the flank surface 40. formed.
- the second groove forming region 60 has a portion that does not come into contact with the cut surface 1 a of the object 1 to be cut when the object 1 is cut by the cutting tool 100 .
- each of the plurality of second grooves 61 is at least larger than the hard particles 3b generated between the flank 40 and the surface 1a to be cut when the object 1 is cut. It has a groove width W2 and a groove depth D2. Moreover, each of the plurality of second grooves 61 has a groove depth D2 that is smaller than the groove width W2. In addition, each of the plurality of second grooves 61 has a curved peak portion.
- the "hard particles 3b generated between the flank 40 and the surface to be cut 1a" refer to fragments of the object 1 to be cut that have been removed from the surface 1a to be cut by cutting the object 1. Fragments of the cutting tool 100 stripped from the flank 40, and the like.
- a coating 63 is applied to the surface of the base material 62 in the second groove forming region 60 in which the plurality of second grooves 61 are formed.
- Base material 62 is, for example, cermet or cemented carbide.
- a titanium compound titanium carbide, titanium carbonitride, etc.
- alumina or the like is used.
- the first groove formation region 50 (the plurality of first grooves 51a and the connection grooves 51b) and the second groove formation region 60 (the plurality of second grooves 61) are molded by die processing, laser processing, or the like. .
- a plurality of first grooves 51a are formed on the cutting edge 20 side of the rake face 30 .
- a plurality of second grooves 61 are formed on the flank 40 on the side of the cutting edge 20 . Accordingly, when cutting the workpiece 1, the plurality of first grooves 51a reduce the frictional resistance between the rake face 30 and the chips 2, thereby suppressing the progress of wear of the rake face 30.
- the plurality of second grooves 61 reduce the frictional resistance between the flank 40 and the cut surface 1 a , thereby suppressing the progress of wear of the flank 40 . As a result, the progress of wear on both the rake face 30 and the flank face 40 is suppressed, thereby suppressing the decrease in tool life.
- the plurality of first grooves 51a are each formed on the rake face 30 so as to extend in the direction intersecting with the direction in which the chips 2 are discharged (X2 direction).
- the discharged chips 2 are disposed in the plurality of first grooves. Since it becomes difficult to accumulate in 51a, it is possible to suppress a decrease in the amount of cutting fluid that can be accumulated in the plurality of first grooves 51a.
- the cutting fluid is easily maintained in the region (the first groove forming region 50) where the plurality of first grooves 51a of the rake face 30 are formed, thereby effectively suppressing the progress of wear of the rake face 30. be able to.
- each of the plurality of first grooves 51a is formed on the rake face 30 along the direction (Y direction) substantially orthogonal to the direction (X2 direction) in which the chips 2 are discharged. formed so as to extend As a result, the ejected chips 2 are reliably prevented from accumulating in the plurality of first grooves 51a, thereby reliably suppressing a decrease in the amount of cutting fluid that can be accumulated in the plurality of first grooves 51a. be able to.
- the plurality of second grooves 61 are each formed on the flank 40 so as to extend along the cutting direction (X2 direction) of the workpiece 1 cut by the cutting edge 20. .
- the direction in which the plurality of second grooves 61 extend is less likely to be different from the direction in which the cutting fluid is supplied.
- the cutting fluid supplied to the formation region 60) can be made easier to reach the vicinity of the cutting edge 20 via the plurality of second grooves 61 .
- each of the plurality of first grooves 51a is formed by at least the hard particles 3a generated between the rake face 30 and the chips 2 by cutting the workpiece 1. It is configured to have a groove width W1 and a groove depth D1 larger than the groove width W1 and the groove depth D1. As a result, the hard particles 3a generated between the rake face 30 and the chips 2 can easily enter the first groove 51a without staying outside the first groove 51a. As a result, the rake face 30 is less likely to be dug up (scraped off) by the hard particles 3a. Accelerated wear of the rake face 30 can be suppressed as compared with the case of remaining outside the groove 51a.
- the rake face 30 is provided with the chip treating portion 32 for bending the chips 2 to the side opposite to the rake face 30 .
- the first groove forming region 50 in which the plurality of first grooves 51 a are formed is formed so as not to overlap the chip processing portion 32 on the rake face 30 .
- the first groove forming region 50 and the chip processing portion 32 are formed so as to overlap each other, it is possible to suppress the structure of the first groove forming region 50 from becoming complicated. .
- the chip processing portion 32 is provided on the rake face 30 in the central portion 30a in the direction (Y direction) perpendicular to the direction (X2 direction) in which the chips 2 are discharged. .
- the first groove formation region 50 is formed in a U shape so as to surround the chip processing portion 32 .
- the first groove forming region 50 can be easily formed on the rake face 30 so as not to overlap the chip processing portion 32 .
- the first groove forming region 50 in which the plurality of first grooves 51a are formed is arranged on the rake face 30 from the cutting edge 20 side to the side opposite to the cutting edge 20 formed to extend in the direction of As a result, since the first groove formation region 50 extends toward the side opposite to the cutting edge 20 on the rake face 30, the first groove formation region 50 is not in contact with the chips 2 (cutting fluid can be easily generated). As a result, cutting fluid can be easily supplied to the plurality of first grooves 51a compared to the case where the first groove forming region 50 does not extend toward the side opposite to the cutting edge 20 .
- each of the plurality of second grooves 61 is formed by at least the hard particles 3b formed between the flank 40 and the cut surface 1a by cutting the workpiece 1. It is configured to have a groove width W2 and a groove depth D2 larger than the groove width W2 and the groove depth D2. As a result, the hard particles 3b generated between the flank 40 and the cut surface 1a can easily enter the second groove 61 without remaining outside the second groove 61 . As a result, the flank 40 is less likely to be dug up (scraped) by the hard particles 3b. Acceleration of wear of the flank 40 can be suppressed compared to the case of remaining outside the second groove 61 .
- each of the plurality of second grooves 61 is configured to have the groove depth D2 that is smaller than the groove width W2. As a result, the depth of the second groove 61 becomes relatively shallow, so that the shape of the second groove 61 formed in the flank 40 is transferred to the cut surface 1a of the workpiece 1 in contact with the flank 40. can be suppressed.
- each of the plurality of second grooves 61 is formed on the flank surface 40 so as to extend from the cutting edge 20 side to the vicinity of the end portion 40a on the side opposite to the cutting edge 20. do.
- the region in which the plurality of second grooves 61 are formed in the flank 40 becomes relatively wide, so that the cutting fluid can be easily supplied to the second grooves 61 .
- the plurality of first grooves 51a are connected to each other by the circumferential connection grooves 51b formed so as to extend along the outer edge portion 50a so as to surround the first groove forming region 50.
- the invention is not so limited.
- they may be connected to each other by a non-circumferential connection groove 251b.
- the connecting groove 251b is provided on the entire cutting edge 20 side of the outer edge 250a of the first groove forming region 250, but the cutting edge 20 of the outer edge 250a of the first groove forming region 250 It may be provided on a part of the side, or may be provided on the side opposite to the cutting edge 20 side of the outer edge portion 250a of the first groove forming region 250 .
- each of the plurality of first grooves 51a is formed on the rake face 30 so as to extend along the direction (Y direction) substantially orthogonal to the direction (X2 direction) in which the chips 2 are discharged.
- the present invention is not limited to this.
- you may form so that it may extend so that it may incline with respect to the direction (Y direction).
- the present invention is not limited to this.
- the cutting tool 500 of the fourth modified example shown in FIG. It may be formed into a shape.
- each of the plurality of second grooves 61 extends from the cutting edge 20 side (Z1 side) to the vicinity of the end portion 40a on the side opposite to the cutting edge 20 (Z2 side) on the flank surface 40.
- the present invention is not limited to this.
- the cutting tool 600 of the fifth modification shown in FIG. can be formed to
- the present invention is not limited to this.
- the present invention like the cutting tool 700 of the sixth modification shown in FIG. You may form so that it may extend so that it may incline with respect to.
- connection grooves 861b may be formed in the second groove forming region 860 to connect the plurality of second grooves 861 to each other.
- the connecting grooves 51b that connect the plurality of first grooves 51a to each other may not be formed.
- the shape of the cutting tool may be any shape other than the parallelepiped shape as long as it has a vertex (apex) that can be used as a cutting edge.
- the present invention is not limited to this.
- the present invention may be applied to a cutting tool in which a tool body and a cutting edge (tip) are integrally formed.
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Abstract
Description
本実施形態では、以下のような効果を得ることができる。
今回開示された実施形態は、全ての点で例示であり制限的なものではないと考えられるべきである。本発明の範囲は上記実施形態の説明ではなく請求の範囲によって示され、さらに請求の範囲と均等の意味および範囲内での全ての変更(変形例)が含まれる。
1a (被切削物の)被切削面
2 切り屑
3a (被切削物が切削されることによりすくい面と切り屑との間に生じる)硬質粒子
3b (被切削物が切削されることにより逃げ面と被切削面との間に生じる)硬質粒子
20 切れ刃
30 すくい面
30a (すくい面の)切り屑が排出される方向と直交する方向における中央部
31 (すくい面の)切り屑が接触する部分
32 切り屑処理部
40 逃げ面
40a (逃げ面の)切れ刃とは反対側の端部
41 (逃げ面の)被切削物の被切削面と接触する部分
50、250、450、550 第1溝形成領域
51a、351a 第1溝
60 第2溝形成領域
61、661、761、861 第2溝
100、200、300、400、500、600、700、800、900 切削工具
D1 (第1溝の)溝深さ
D2 (第2溝の)溝深さ
W1 (第1溝の)溝幅
W2 (第2溝の)溝幅
Claims (11)
- 被切削物を切削するための切れ刃と、
前記切れ刃により前記被切削物が切削されることにより生じる切り屑が接触する部分を含むすくい面と、
前記被切削物の被切削面と接触する部分を含む逃げ面と、を備え、
前記すくい面の前記切れ刃側には、複数の第1溝が形成されており、
前記逃げ面の前記切れ刃側には、複数の第2溝が形成されている、切削工具。 - 前記複数の第1溝は、各々、前記すくい面において、前記切り屑が排出される方向と交差する方向に延びるように形成されている、請求項1に記載の切削工具。
- 前記複数の第1溝は、各々、前記すくい面において、前記切り屑が排出される方向と略直交する方向に沿って延びるように形成されている、請求項2に記載の切削工具。
- 前記複数の第2溝は、各々、前記逃げ面において、前記切れ刃による前記被切削物の切削方向に沿って延びるように形成されている、請求項1~3のいずれか1項に記載の切削工具。
- 前記複数の第1溝は、各々、少なくとも、前記被切削物が切削されることにより前記すくい面と前記切り屑との間に生じる硬質粒子よりも大きな溝幅および溝深さを有する、請求項1~4のいずれか1項に記載の切削工具。
- 前記すくい面には、前記切り屑を前記すくい面とは反対側に曲げるための切り屑処理部が設けられており、
前記複数の第1溝が形成されている第1溝形成領域は、前記すくい面において、前記切り屑処理部とオーバラップしないように形成されている、請求項1~5のいずれか1項に記載の切削工具。 - 前記切り屑処理部は、前記すくい面において、前記切り屑が排出される方向と直交する方向における中央部に設けられており、
前記第1溝形成領域は、前記切り屑処理部を囲むようにU字状に形成されている、請求項6に記載の切削工具。 - 前記複数の第1溝が形成されている第1溝形成領域は、前記すくい面において、前記切れ刃側から前記切れ刃とは反対側に向かって延びるように形成されている、請求項1~7のいずれか1項に記載の切削工具。
- 前記複数の第2溝は、各々、少なくとも、前記被切削物が切削されることにより前記逃げ面と前記被切削面との間に生じる硬質粒子よりも大きな溝幅および溝深さを有する、請求項1~8のいずれか1項に記載の切削工具。
- 前記複数の第2溝は、各々、溝幅よりも小さい溝深さを有する、請求項1~9のいずれか1項に記載の切削工具。
- 前記複数の第2溝は、各々、前記逃げ面において、前記切れ刃側から前記切れ刃とは反対側の端部の近傍まで延びるように形成されている、請求項1~10のいずれか1項に記載の切削工具。
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004025442A (ja) * | 2002-06-26 | 2004-01-29 | Sandvik Ab | ドリルのための切削用インサート |
WO2004050314A2 (en) * | 2002-12-04 | 2004-06-17 | Chalmers Technology Licensing Ab | Cutting tool with a cooling surface |
JP2007015085A (ja) * | 2005-07-11 | 2007-01-25 | Konica Minolta Opto Inc | 切削工具 |
WO2007099777A1 (ja) * | 2006-02-24 | 2007-09-07 | Osaka University | 切削工具及びこれを用いた切削方法 |
WO2010150696A1 (ja) * | 2009-06-24 | 2010-12-29 | 株式会社タンガロイ | 切削用インサート |
JP2012045635A (ja) * | 2010-08-24 | 2012-03-08 | Mitsubishi Materials Corp | 耐溶着性に優れた切削インサート |
WO2013161558A1 (ja) * | 2012-04-23 | 2013-10-31 | 住友電工ハードメタル株式会社 | 立方晶窒化硼素焼結体工具 |
JP2014046407A (ja) * | 2012-08-31 | 2014-03-17 | Sumitomo Electric Ind Ltd | 切削工具 |
US20150321262A1 (en) * | 2014-05-07 | 2015-11-12 | Kennametal Inc. | Cutting insert with micro-channels |
JP2016190275A (ja) * | 2015-03-30 | 2016-11-10 | 国立大学法人 東京大学 | 切削インサート及び刃先交換式バイト |
EP3199272A1 (de) * | 2016-01-28 | 2017-08-02 | Universität Kassel | Schneidwerkzeug für die spanende bearbeitung eines werkstückes |
JP2017202529A (ja) * | 2016-05-09 | 2017-11-16 | 株式会社不二越 | 切削工具 |
-
2021
- 2021-02-24 WO PCT/JP2021/006893 patent/WO2022180697A1/ja active Application Filing
- 2021-02-24 CN CN202180094625.7A patent/CN116917069A/zh active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004025442A (ja) * | 2002-06-26 | 2004-01-29 | Sandvik Ab | ドリルのための切削用インサート |
WO2004050314A2 (en) * | 2002-12-04 | 2004-06-17 | Chalmers Technology Licensing Ab | Cutting tool with a cooling surface |
JP2007015085A (ja) * | 2005-07-11 | 2007-01-25 | Konica Minolta Opto Inc | 切削工具 |
WO2007099777A1 (ja) * | 2006-02-24 | 2007-09-07 | Osaka University | 切削工具及びこれを用いた切削方法 |
WO2010150696A1 (ja) * | 2009-06-24 | 2010-12-29 | 株式会社タンガロイ | 切削用インサート |
JP2012045635A (ja) * | 2010-08-24 | 2012-03-08 | Mitsubishi Materials Corp | 耐溶着性に優れた切削インサート |
WO2013161558A1 (ja) * | 2012-04-23 | 2013-10-31 | 住友電工ハードメタル株式会社 | 立方晶窒化硼素焼結体工具 |
JP2014046407A (ja) * | 2012-08-31 | 2014-03-17 | Sumitomo Electric Ind Ltd | 切削工具 |
US20150321262A1 (en) * | 2014-05-07 | 2015-11-12 | Kennametal Inc. | Cutting insert with micro-channels |
JP2016190275A (ja) * | 2015-03-30 | 2016-11-10 | 国立大学法人 東京大学 | 切削インサート及び刃先交換式バイト |
EP3199272A1 (de) * | 2016-01-28 | 2017-08-02 | Universität Kassel | Schneidwerkzeug für die spanende bearbeitung eines werkstückes |
JP2017202529A (ja) * | 2016-05-09 | 2017-11-16 | 株式会社不二越 | 切削工具 |
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