JP6587828B2 - 切削工具インサートおよび切削工具インサートホルダー - Google Patents
切削工具インサートおよび切削工具インサートホルダー Download PDFInfo
- Publication number
- JP6587828B2 JP6587828B2 JP2015101742A JP2015101742A JP6587828B2 JP 6587828 B2 JP6587828 B2 JP 6587828B2 JP 2015101742 A JP2015101742 A JP 2015101742A JP 2015101742 A JP2015101742 A JP 2015101742A JP 6587828 B2 JP6587828 B2 JP 6587828B2
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- JP
- Japan
- Prior art keywords
- cutting edge
- cutting
- tool insert
- cutting tool
- edge portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1603—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with specially shaped plate-like exchangeable cutting inserts, e.g. chip-breaking groove
- B23B27/1607—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with specially shaped plate-like exchangeable cutting inserts, e.g. chip-breaking groove characterised by having chip-breakers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/141—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
- B23B27/145—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness characterised by having a special shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1614—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the insert
- B23B27/1618—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the insert characterised by having chip-breakers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1614—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the insert
- B23B27/1622—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the insert characterised by having a special shape
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/04—Overall shape
- B23B2200/0423—Irregular
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/32—Chip breaking or chip evacuation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/32—Chip breaking or chip evacuation
- B23B2200/321—Chip breaking or chip evacuation by chip breaking projections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/36—Other features of cutting inserts not covered by B23B2200/04 - B23B2200/32
- B23B2200/3681—Split inserts, i.e. comprising two or more sections roughly equal in size and having similar or dissimilar cutting geometries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2205/00—Fixation of cutting inserts in holders
- B23B2205/16—Shims
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2250/00—Compensating adverse effects during turning, boring or drilling
- B23B2250/12—Cooling and lubrication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T407/00—Cutters, for shaping
- Y10T407/22—Cutters, for shaping including holder having seat for inserted tool
- Y10T407/2272—Cutters, for shaping including holder having seat for inserted tool with separate means to fasten tool to holder
- Y10T407/2274—Apertured tool
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T407/00—Cutters, for shaping
- Y10T407/23—Cutters, for shaping including tool having plural alternatively usable cutting edges
- Y10T407/235—Cutters, for shaping including tool having plural alternatively usable cutting edges with integral chip breaker, guide or deflector
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Milling Processes (AREA)
Description
4 中心軸
6 本体
8 第1の側面
10 第2の側面
12 周側面
16 第1の切れ刃部分
18 第2の切れ刃部分
20 コーナ切れ刃
24 コーナ点
26 第1の仮想ライン
28 第2の仮想ライン
Claims (14)
- 第1の側面(8)と、該第1の側面(8)に対して平行に延在する実質的に同一の第2の側面(10)と、第1の側面(8)と第2の側面(10)との間に延在する4つの互いに実質的に同一の周側面(12)とを有する本体(6)と、
コーナ切れ刃(20)により相互連結された第1の切れ刃部分(16)と第2の切れ刃部分(18)とを含む、8個の同一の独立している切れ刃(14)と、
を含む切削工具インサート(2)であって、
前記第1の切れ刃部分(16)が、第1および第2の側面(8、10)の1つと周側面(12)の1つとの間の交差線で縁部分に沿って延在しており、第2の切れ刃部分(18)が、コーナ切れ刃(20)から、第1および第2の側面(8、10)の間でこれらと平行に延在する仮想中央平面(22)に向かう方向に沿って、2つの周側面(12)の間の交差線で縁部分に沿って延在しており、
前記第1の側面(8)および前記第2の側面(10)に対して垂直に延在する中心軸(4)に沿って見た場合に、切削工具インサート(2)が、各コーナ切れ刃(20)に1つのコーナ点(24)を含み、コーナ点(24)のうちの4つが第1の側面(8)と第2の側面(10)の各々において、2つのコーナ点(24)間に等しい対角距離を有して対称的に配置されている、切削工具インサートにおいて、
前記第1の切れ刃部分(16)と前記第2の切れ刃部分(18)との間のコーナ角(α)が、75〜90°の範囲内にあり、
前記第1の切れ刃部分(16)と前記第2の切れ刃部分(18)とが、実質的に同じ長さを有して、2つの直交する切削方向の各々に沿って実質的に等しい切込みを提供する切れ刃長をそれぞれ有し、
中心軸(4)に沿って見た場合に、第1の側面(8)において中心軸(4)からコーナ点(24)の1つまで延在する第1の仮想ライン(26)と、第2の側面(10)において中心軸(4)から前記第1の側面(8)の前記コーナ点(24)に隣接する1つのコーナ点(24)まで延在する第2の仮想ライン(28)との間に、14±9°の範囲内の第1の角度(β)が形成されており、
前記中心軸(4)に沿って見た場合に、第1の側面(8)において第1のコーナ点(24)から隣接する第2のコーナ点(24)まで延在する第3の仮想ライン(30)と、前記第1のコーナ点(24)に関係する第2の切れ刃部分(18)の逃げ面(32)との間で、5〜20°の範囲内の第2の角度(γ)が形成されていることを特徴とする切削工具インサート(2)。 - 中心軸(4)に沿った第1および第2の側面(8、10)の間に延在する距離と、第1の側面(8)の2つの隣接するコーナ点(24)との間に延在する距離との比が、0.7:1〜1.1:1の範囲内であることを特徴とする請求項1に記載の切削工具インサート。
- 第1の切れ刃部分(16)と第2の切れ刃部分(18)が、2つの直交する切削方向の各々に沿って少なくとも4mmの切込みを提供する切れ刃長をそれぞれ有することを特徴とする請求項1または2に記載の切削工具インサート(2)。
- 本体(6)が、中心軸(4)に沿って延在する貫通孔(11)を含むことを特徴とする請求項1〜3の何れか一項に記載の切削工具インサート(2)。
- 前記中心軸(4)に沿って見た場合に、前記第3の仮想ライン(30)と、隣接する前記第2のコーナ点(24)において第1の切れ刃部分(16)の先端部分に沿って延在する第4の仮想ライン(34)との間で、第2の角度(γ)+0〜10°の範囲内の大きさを有する第3の角度(δ)が形成されていることを特徴とする請求項1に記載の切削工具インサート。
- 前記第2の切れ刃部分(18)の逃げ面(32)が、隣接する切削中の切れ刃(14)からの接線方向切削力の少なくとも一部を切削工具インサートホルダー(50)の支持表面まで伝達するための第1の当接表面を形成することを特徴とする請求項1または5に記載の切削工具インサート(2)。
- 前記中心軸(4)と実質的に平行で、かつ第2の切れ刃部分(18)の逃げ面(32)から隣接する切れ刃(14)に向かって延在する実質的に凹状の表面(48)を含み、該凹状の表面(48)の少なくとも一部分が第2の当接表面を形成し、該第2の当接表面が、該第2の当接表面の反対側に位置する切削中の切れ刃(14)からの切削力の少なくとも一部を切削工具インサートホルダー(50)の支持表面まで伝達することを特徴とする請求項6に記載の切削工具インサート(2)。
- 前記第1の側面(8)における第2の切れ刃部分(18)の1つと、前記第2の側面(10)における隣接する第2の切れ刃部分(18)との間の遷移部分が、前記2つの第2の切れ刃部分(18、18)間で連続して延在する相互連結切れ刃(36)により形成されていることを特徴とする請求項1〜7の何れか一項に記載の切削工具インサート(2)。
- 連続する相互連結切れ刃(36)が直角以外の角度で仮想中間平面(22)と交差することを特徴とする請求項8に記載の切削工具インサート(2)。
- 前記第1の切れ刃部分(16)における第1のチップブレーカおよび前記第2の切れ刃部分(18)における第2のチップブレーカを形成する尾根部(44)を含み、該尾根部(44)が実質的に前記コーナ角(α)の二等分線に沿って延在していることを特徴とする請求項1〜9の何れか一項に記載の切削工具インサート(2)。
- 実質的に凹状の表面(48)が、少なくとも尾根部(44)の一部分に沿って延在していることを特徴とする請求項7または10に記載の切削工具インサート。
- 切削工具インサート(2)が旋削工具インサートであることを特徴とする請求項1〜11の何れか一項に記載の切削工具インサート。
- 切削工具本体(52)を含む切削工具インサートホルダー(50)であって、
前記切削工具本体(52)は凹部(54)が備え、該凹部(54)の底部部分に配置された敷板(56)および、該敷板(56)と接して前記凹部(54)内で請求項1〜12の何れか一項に記載の切削工具インサート(2)をクランプするためのクランプ部材(58)を含んでいることを特徴とする切削工具インサートホルダー。 - 請求項1〜12の何れか一項に記載の切削工具インサート(2)を含む、切削工具インサートホルダー(50)。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14168803.6 | 2014-05-19 | ||
| EP14168803.6A EP2946858B1 (en) | 2014-05-19 | 2014-05-19 | Cutting tool insert and cutting tool insert holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2015217514A JP2015217514A (ja) | 2015-12-07 |
| JP6587828B2 true JP6587828B2 (ja) | 2019-10-09 |
Family
ID=50729414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015101742A Active JP6587828B2 (ja) | 2014-05-19 | 2015-05-19 | 切削工具インサートおよび切削工具インサートホルダー |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9744597B2 (ja) |
| EP (1) | EP2946858B1 (ja) |
| JP (1) | JP6587828B2 (ja) |
| KR (1) | KR102327956B1 (ja) |
| CN (1) | CN105081379B (ja) |
| BR (1) | BR102015011331B1 (ja) |
| RU (1) | RU2685560C2 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013175478A2 (en) * | 2012-05-24 | 2013-11-28 | Gershon System Ltd. | Method for designing a cutting edge of a cutting tool, cutting tools comprising the same, and cutting elements with multiple such cutting portions |
| DE102012108751A1 (de) * | 2012-09-18 | 2014-03-20 | Hartmetall-Werkzeugfabrik Paul Horn Gmbh | Schneideinsatz und Werkzeug zur spanenden Bearbeitung eines Werkstücks |
| DE102012108752B3 (de) * | 2012-09-18 | 2014-01-23 | Hartmetall-Werkzeugfabrik Paul Horn Gmbh | Schneideinsatz und Werkzeug zur spanenden Bearbeitung eines Werkstücks |
| EP2946857B1 (en) * | 2014-05-19 | 2019-10-16 | Sandvik Intellectual Property AB | Turning tool holder and cutting tool insert |
| EP3045246B1 (en) * | 2015-01-14 | 2021-07-14 | Sandvik Intellectual Property AB | A cutting insert and a milling cutting tool |
| EP3112066B1 (en) * | 2015-07-03 | 2023-09-27 | Sandvik Intellectual Property AB | A tool, a cutting insert and a compacted powder part |
| JP2018027605A (ja) | 2016-08-19 | 2018-02-22 | 住友電工ハードメタル株式会社 | 切削工具用敷板および切削工具 |
| JP6828336B2 (ja) * | 2016-09-16 | 2021-02-10 | 株式会社ジェイテクト | 加工方法 |
| GB201803381D0 (en) * | 2018-03-01 | 2018-04-18 | Barry John James | Indexable cutting insert and method of manufacture |
| WO2020090738A1 (ja) * | 2018-10-30 | 2020-05-07 | 京セラ株式会社 | 切削インサート、切削工具及び切削加工物の製造方法 |
| US11090730B2 (en) * | 2019-05-14 | 2021-08-17 | Iscar, Ltd. | Indexable cutting insert having two cutting portions located in diagonally opposite quadrants and two lower abutment elements, and cutting tool therefor |
| TW202130433A (zh) | 2020-02-12 | 2021-08-16 | 以色列商艾斯卡公司 | 用於桿件剝層的方形嵌件、及用於它的嵌件固持工具 |
| JP6974808B1 (ja) * | 2021-02-10 | 2021-12-01 | 株式会社タンガロイ | 切削インサート |
| CN114273037B (zh) * | 2021-12-27 | 2023-01-13 | 北京世纪金图科技有限公司 | 一种文件粉碎机的组合刀具及其刀齿结构 |
| CN115889831B (zh) * | 2022-12-30 | 2024-03-19 | 华南理工大学 | 一种用于制备倾斜阵列结构翅片的复合刀具及制备方法 |
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| JP6025088B2 (ja) * | 2014-03-14 | 2016-11-16 | 株式会社タンガロイ | 切削インサート、工具ボデーおよび切削工具 |
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| US10046398B2 (en) * | 2014-12-15 | 2018-08-14 | Seco Tools Ab | Reinforced double-sided cutting insert and cutting tool with reinforced double-sided cutting insert |
-
2014
- 2014-05-19 EP EP14168803.6A patent/EP2946858B1/en active Active
-
2015
- 2015-05-18 KR KR1020150068982A patent/KR102327956B1/ko active Active
- 2015-05-18 US US14/714,704 patent/US9744597B2/en active Active
- 2015-05-18 RU RU2015118564A patent/RU2685560C2/ru active
- 2015-05-18 BR BR102015011331-5A patent/BR102015011331B1/pt active IP Right Grant
- 2015-05-19 JP JP2015101742A patent/JP6587828B2/ja active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2946858A1 (en) | 2015-11-25 |
| RU2685560C2 (ru) | 2019-04-22 |
| US20150328689A1 (en) | 2015-11-19 |
| JP2015217514A (ja) | 2015-12-07 |
| US9744597B2 (en) | 2017-08-29 |
| CN105081379A (zh) | 2015-11-25 |
| BR102015011331A2 (pt) | 2018-05-08 |
| RU2015118564A3 (ja) | 2018-11-06 |
| CN105081379B (zh) | 2019-02-12 |
| BR102015011331B1 (pt) | 2021-03-02 |
| KR20150133147A (ko) | 2015-11-27 |
| EP2946858B1 (en) | 2019-07-10 |
| KR102327956B1 (ko) | 2021-11-17 |
| RU2015118564A (ru) | 2016-12-10 |
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