JP2009262277A - 深穴切削用スローアウェイチップ及び深穴切削用ドリルヘッド - Google Patents
深穴切削用スローアウェイチップ及び深穴切削用ドリルヘッド Download PDFInfo
- Publication number
- JP2009262277A JP2009262277A JP2008115158A JP2008115158A JP2009262277A JP 2009262277 A JP2009262277 A JP 2009262277A JP 2008115158 A JP2008115158 A JP 2008115158A JP 2008115158 A JP2008115158 A JP 2008115158A JP 2009262277 A JP2009262277 A JP 2009262277A
- Authority
- JP
- Japan
- Prior art keywords
- cutting
- cutting edge
- head
- blade
- deep hole
- 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.)
- Granted
Links
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
- B23B51/0486—Drills for trepanning with lubricating or cooling equipment
- B23B51/0493—Drills for trepanning with lubricating or cooling equipment with exchangeable 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
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
-
- 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
- B23B2200/28—Angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/46—Drills having a centre free from cutting edges or with recessed cutting edges
-
- 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
-
- 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
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/892—Tool or Tool with support with work-engaging structure detachable from cutting edge
-
- 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
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/905—Having stepped cutting edges
-
- 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
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/909—Having peripherally spaced cutting edges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
【解決手段】中心角120度で3区分した際の区分P1〜P3形状が等しくなる3回対称性を持つ厚板状であって、ドリルヘッドD1,D2への取付状態で穿孔方向に臨む刃先1が刃長の短い内切刃11と刃長の長い外切刃12とで第1区分P1に相当する山形をなS、外切刃12が外切刃角β1の小さい山頂側外切刃部12aと外切刃角β2の大きい山裾側外切刃部12bとの連続した2つの切刃部より構成され、山裾側外切刃部12bに沿う逃げ面13の逃げ角θが5〜15度の範囲に設定されてなる。
【選択図】図1
Description
11 内切刃
11a 内端面
12 外切刃
12a 山頂側外切刃部
12b 山裾側外切刃部
13 山裾側外切刃部に沿う逃げ面
14 マージン
15 ボルト挿通孔
2 ヘッド本体
2a 先端面
20 中空部
21,22 切屑排出孔
2A 中央部切刃チップ(中心側の切削を担う切刃チップ)
20 刃先縁
20a 内端
3A 中央側刃体
3B 周辺側刃体
3C 中間部刃体
5 取付板
7 ガイドパッド
C 非切削コア
D1 非切削コア折り取り方式の深穴切削用ドリルヘッド
D2 全切削方式の深穴切削用ドリルヘッド
O ヘッド軸心
P1 穿孔方向に臨む第1区分
P2 ヘッド軸心側に臨む第2区分
P3 ヘッド周辺側に臨む第3区分
R 半径線
T1,T2 深穴切削用スローアウェイチップ
W 被削材
Z 非切削ゾーン
f 距離(芯上がり量)
s 距離(離心距離)
α 内切刃角
β1,β2 外切刃角
γ 交叉角
θ 逃げ角
Claims (9)
- 中心角120度で3区分した際の区分形状が等しくなる3回対称性を持つ厚板状であって、ドリルヘッドへの取付状態で穿孔方向に臨む刃先が刃長の短い内切刃と刃長の長い外切刃とで前記1区分に相当する山形をなすと共に、外切刃が外切刃角の小さい前記山形における山頂側外切刃部と外切刃角の大きい山裾側外切刃部との連続した2つの切刃部より構成され、その山裾側外切刃部に沿う逃げ面の逃げ角が5〜15度の範囲に設定されてなる深穴切削用スローアウェイチップ。
- 内切刃に沿ってマージンが形成されてなる請求項1に記載の深穴切削用スローアウェイチップ。
- ドリルヘッドへの取付状態でヘッド軸心側に臨む前記1区分の刃先における山裾側外切刃部と、同取付状態でヘッド外周側に臨む前記1区分の刃先における内切刃とが、互いに平行に配置するか、もしくは互いの刃先縁の穿孔方向前方側への延長線が交わるように配置してなる請求項1又は2に記載の深穴切削用スローアウェイチップ。
- 円筒形のヘッド本体の前端面の少なくとも中央側と周辺側とを含む複数箇所にそれぞれ、協働して被削材を穿孔する刃体がねじ止め固着され、少なくとも中央側刃体が前記請求項1〜3のいずれかに記載の深穴切削用スローアウェイチップからなることを特徴とする深穴切削用ドリルヘッド。
- 前記中央側のスローアウエイチップは、刃先全体がヘッド軸心を中心とする半径線と平行して且つ該半径線よりも切削回転方向前方の芯上がり位置に配置すると共に、穿孔方向に臨む前記1区分の刃先における内切刃の内端がヘッド軸心から離間して該軸心付近に非切削ゾーンを形成する請求項4に記載の深穴切削用ドリルヘッド。
- 前記中央側のスローアウエイチップは、切刃全体がヘッド軸心を中心とする半径線よりも切削回転方向前方へ0.2〜1.5mmの芯上がり位置に配置すると共に、穿孔方向に臨む前記1区分の刃先における内切刃の内端がヘッド軸心から0.05〜0.5mm離間してなる請求項5に記載の深穴切削用ドリルヘッド。
- 前記中央側のスローアウエイチップは、切刃全体がヘッド軸心を中心とする半径線に沿うと共に、穿孔方向に臨む前記1区分の刃先における内切刃の内端がヘッド軸心を越える位置に配置してなる請求項4に記載の深穴切削用ドリルヘッド。
- 周辺側刃体が前記請求項2に記載の深穴切削用スローアウェイチップからなり、そのヘッド外周側に臨む前記1区分の刃先における内切刃がヘッド軸方向と平行に配置してなる請求項4〜7のいずれかに記載の深穴切削用ドリルヘッド。
- 中央側及び周辺側と中間部との少なくとも3個の刃体を備え、全ての刃体が前記請求項1〜3のいずれかに記載の深穴切削用スローアウェイチップからなる請求項4〜8のいずれかに記載の深穴切削用ドリルヘッド。
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008115158A JP5078731B2 (ja) | 2008-04-25 | 2008-04-25 | 深穴切削用スローアウェイチップ及び深穴切削用ドリルヘッド |
CA2718547A CA2718547A1 (en) | 2008-04-25 | 2008-12-12 | Throwaway tip for deep-hole drilling and drill head for deep-hole drilling |
RU2010147931/02A RU2010147931A (ru) | 2008-04-25 | 2008-12-12 | Неперетачиваемая режущая пластина для глубокого сверления и сверлильная головка для глубокого сверления |
PL08874049T PL2272611T3 (pl) | 2008-04-25 | 2008-12-12 | Głowica wiertarska do wiercenia głębokich otworów |
ES08874049T ES2401532T3 (es) | 2008-04-25 | 2008-12-12 | Cabezal de taladro para taladrado profundo |
EP08874049A EP2272611B1 (en) | 2008-04-25 | 2008-12-12 | Deep-hole boring drill head |
CN2008801288042A CN102015170B (zh) | 2008-04-25 | 2008-12-12 | 深孔切削用不重磨刀片及深孔切削用钻头 |
KR1020107021401A KR101452197B1 (ko) | 2008-04-25 | 2008-12-12 | 심혈 절삭용 쓰로우 어웨이 팁 및 심혈 절삭용 드릴 헤드 |
PCT/JP2008/072628 WO2009130821A1 (ja) | 2008-04-25 | 2008-12-12 | 深穴切削用スローアウェイチップ及び深穴切削用ドリルヘッド |
PT88740493T PT2272611E (pt) | 2008-04-25 | 2008-12-12 | Cabeça perfuradora para a perfuração de furos profundos |
US12/911,437 US8764352B2 (en) | 2008-04-25 | 2010-10-25 | Throwaway tip for deep-hole drilling and drill head for deep-hole drilling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008115158A JP5078731B2 (ja) | 2008-04-25 | 2008-04-25 | 深穴切削用スローアウェイチップ及び深穴切削用ドリルヘッド |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009262277A true JP2009262277A (ja) | 2009-11-12 |
JP5078731B2 JP5078731B2 (ja) | 2012-11-21 |
Family
ID=41216566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008115158A Active JP5078731B2 (ja) | 2008-04-25 | 2008-04-25 | 深穴切削用スローアウェイチップ及び深穴切削用ドリルヘッド |
Country Status (11)
Country | Link |
---|---|
US (1) | US8764352B2 (ja) |
EP (1) | EP2272611B1 (ja) |
JP (1) | JP5078731B2 (ja) |
KR (1) | KR101452197B1 (ja) |
CN (1) | CN102015170B (ja) |
CA (1) | CA2718547A1 (ja) |
ES (1) | ES2401532T3 (ja) |
PL (1) | PL2272611T3 (ja) |
PT (1) | PT2272611E (ja) |
RU (1) | RU2010147931A (ja) |
WO (1) | WO2009130821A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130022423A1 (en) * | 2011-07-22 | 2013-01-24 | Kennametal India Limited | Idexable drill insert |
US9272335B2 (en) | 2011-07-22 | 2016-03-01 | Kennametal India Limited | Idexable drill insert |
US9370825B2 (en) | 2011-07-22 | 2016-06-21 | Kennametal India Limited | Indexable drill insert |
JP2016155209A (ja) * | 2015-02-26 | 2016-09-01 | 大同特殊鋼株式会社 | 深孔加工用先端工具 |
US9993881B2 (en) | 2012-05-28 | 2018-06-12 | Kennametal India Limited | Idexable drill insert |
US10124415B2 (en) | 2013-01-23 | 2018-11-13 | Kennametal India Limited | Indexable drill insert and rotary cutting tool employing same |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009226560A (ja) * | 2008-03-25 | 2009-10-08 | Yunitakku Kk | ガンドリル |
EP2711115B1 (en) * | 2011-05-16 | 2017-11-22 | botek Präzisionsbohrtechnik GmbH | Drill head for deep hole cutting |
WO2015025036A1 (en) * | 2013-08-23 | 2015-02-26 | Bitmovin Gmbh | System and method for session mobility for adaptive bitrate streaming |
SE537475C2 (sv) * | 2013-09-27 | 2015-05-12 | Sandvik Intellectual Property | Långhålsborrverktyg med vinklad fasyta i anslutning till skäreggen |
CN104772478B (zh) * | 2015-03-20 | 2017-05-03 | 深圳市圆梦精密技术研究院 | 可应用于双金属加工的刀具及该刀具的使用方法 |
CN104772479A (zh) * | 2015-03-20 | 2015-07-15 | 深圳市圆梦精密技术研究院 | 双金属切削专用刀粒及其刀具 |
CN105618799A (zh) * | 2016-03-02 | 2016-06-01 | 苏州勤美达精密机械有限公司 | 一种舍弃式九边形车刀片 |
MX2019010606A (es) * | 2017-03-23 | 2019-10-17 | Allied Machine & Eng Corporation | Sistema de perforacion y cabeza de perforacion modular para perforacion de agujero profundo. |
US10384270B1 (en) | 2018-03-08 | 2019-08-20 | Honda Motor Co., Ltd. | Cutting tool |
CN115570185A (zh) * | 2022-11-09 | 2023-01-06 | 山东大学 | 一种大直径复合机夹式深孔钻 |
Citations (3)
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JPS5834706A (ja) * | 1981-08-24 | 1983-03-01 | Nippon Yakin:Kk | 超硬ドリル |
JP2003236713A (ja) * | 2002-02-19 | 2003-08-26 | Yunitakku Kk | 深孔切削用スローアウエイチップと深孔切削用スローアウエイドリル |
JP2006082180A (ja) * | 2004-09-16 | 2006-03-30 | Yunitakku Kk | ドリルヘッド |
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US4297058A (en) * | 1980-06-30 | 1981-10-27 | Kennametal Inc. | Indexable cutting insert |
JPH0623368Y2 (ja) * | 1987-04-25 | 1994-06-22 | 三菱マテリアル株式会社 | スローアウエイ式穴明け工具 |
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JP2702061B2 (ja) | 1993-09-03 | 1998-01-21 | ユニタック株式会社 | ドリルヘッド |
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-
2008
- 2008-04-25 JP JP2008115158A patent/JP5078731B2/ja active Active
- 2008-12-12 ES ES08874049T patent/ES2401532T3/es active Active
- 2008-12-12 WO PCT/JP2008/072628 patent/WO2009130821A1/ja active Application Filing
- 2008-12-12 KR KR1020107021401A patent/KR101452197B1/ko active IP Right Grant
- 2008-12-12 RU RU2010147931/02A patent/RU2010147931A/ru unknown
- 2008-12-12 EP EP08874049A patent/EP2272611B1/en not_active Not-in-force
- 2008-12-12 CN CN2008801288042A patent/CN102015170B/zh not_active Expired - Fee Related
- 2008-12-12 PL PL08874049T patent/PL2272611T3/pl unknown
- 2008-12-12 CA CA2718547A patent/CA2718547A1/en not_active Abandoned
- 2008-12-12 PT PT88740493T patent/PT2272611E/pt unknown
-
2010
- 2010-10-25 US US12/911,437 patent/US8764352B2/en not_active Expired - Fee Related
Patent Citations (3)
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JPS5834706A (ja) * | 1981-08-24 | 1983-03-01 | Nippon Yakin:Kk | 超硬ドリル |
JP2003236713A (ja) * | 2002-02-19 | 2003-08-26 | Yunitakku Kk | 深孔切削用スローアウエイチップと深孔切削用スローアウエイドリル |
JP2006082180A (ja) * | 2004-09-16 | 2006-03-30 | Yunitakku Kk | ドリルヘッド |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130022423A1 (en) * | 2011-07-22 | 2013-01-24 | Kennametal India Limited | Idexable drill insert |
US9168589B2 (en) * | 2011-07-22 | 2015-10-27 | Kennametal India Limited | Indexable drill insert |
US9272335B2 (en) | 2011-07-22 | 2016-03-01 | Kennametal India Limited | Idexable drill insert |
US9370825B2 (en) | 2011-07-22 | 2016-06-21 | Kennametal India Limited | Indexable drill insert |
US9993881B2 (en) | 2012-05-28 | 2018-06-12 | Kennametal India Limited | Idexable drill insert |
US10124415B2 (en) | 2013-01-23 | 2018-11-13 | Kennametal India Limited | Indexable drill insert and rotary cutting tool employing same |
JP2016155209A (ja) * | 2015-02-26 | 2016-09-01 | 大同特殊鋼株式会社 | 深孔加工用先端工具 |
Also Published As
Publication number | Publication date |
---|---|
CA2718547A1 (en) | 2009-10-29 |
CN102015170A (zh) | 2011-04-13 |
RU2010147931A (ru) | 2012-05-27 |
US20110091296A1 (en) | 2011-04-21 |
EP2272611B1 (en) | 2013-01-09 |
JP5078731B2 (ja) | 2012-11-21 |
US8764352B2 (en) | 2014-07-01 |
EP2272611A4 (en) | 2011-05-18 |
KR101452197B1 (ko) | 2014-10-21 |
PL2272611T3 (pl) | 2013-05-31 |
ES2401532T3 (es) | 2013-04-22 |
WO2009130821A1 (ja) | 2009-10-29 |
PT2272611E (pt) | 2013-03-11 |
EP2272611A1 (en) | 2011-01-12 |
KR20110005239A (ko) | 2011-01-17 |
CN102015170B (zh) | 2013-01-30 |
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