JP5035189B2 - ドリル - Google Patents
ドリル Download PDFInfo
- Publication number
- JP5035189B2 JP5035189B2 JP2008232232A JP2008232232A JP5035189B2 JP 5035189 B2 JP5035189 B2 JP 5035189B2 JP 2008232232 A JP2008232232 A JP 2008232232A JP 2008232232 A JP2008232232 A JP 2008232232A JP 5035189 B2 JP5035189 B2 JP 5035189B2
- Authority
- JP
- Japan
- Prior art keywords
- outer diameter
- drill
- rear end
- guide
- end side
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/06—Drills with lubricating or cooling equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/24—Overall form of drilling tools
- B23B2251/248—Drills in which the outer surface is of special form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/44—Margins, i.e. the narrow portion of the land which is not cut away to provide clearance on the circumferential surface
- B23B2251/443—Double margin drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/44—Margins, i.e. the narrow portion of the land which is not cut away to provide clearance on the circumferential surface
- B23B2251/446—Drills with variable margins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
- B23B2270/34—Means for guiding
-
- 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
- B23B51/0411—Drills for trepanning with stepped tubular cutting bodies
-
- 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
- Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
- Y10T408/557—Frictionally engaging sides of opening in work
- Y10T408/558—Opening coaxial with Tool
- Y10T408/5583—Engaging sides of opening being enlarged by Tool
- Y10T408/5586—Engaging surface subsequent to tool-action on that surface
-
- 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
-
- 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
- Y10T408/9095—Having peripherally spaced cutting edges with axially extending relief channel
-
- 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
- Y10T408/9095—Having peripherally spaced cutting edges with axially extending relief channel
- Y10T408/9097—Spiral channel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Description
2 切刃部
2A 切刃
3 先端逃げ面
4 切屑排出溝
5 ランド部
5A 第1マージン部
5B 第2マージン部
6 ガイド部
6A ガイド部6の最大外径部
O ドリル本体1の軸線
T ドリル回転方向
D 切刃2Aの外径
R ガイド部6の最大外径部6Aがなす凸曲線の曲率半径
L 切刃部2の先端からの切屑排出溝4の軸線O方向における溝長さ
Claims (4)
- 軸線回りに回転される軸状のドリル本体の外周に、その先端逃げ面から後端側に向けて切屑排出溝が形成されていて、この切屑排出溝のドリル回転方向を向く壁面と上記先端逃げ面との交差稜線部に切刃が形成されており、上記ドリル本体先端側の切刃部は、上記切刃の外径に対して上記軸線方向後端側の外径が小さくされているとともに、この切刃部の後端側には、該切刃部後端における外径よりも大径で上記切刃の外径に対しては小径または同径の最大外径部を先端外周側に有するガイド部が形成されており、このガイド部の上記最大外径部は、上記軸線回りの回転軌跡において滑らかな凸曲線状をなしていることを特徴とするドリル。
- 上記ガイド部の最大外径部が上記軸線回りの回転軌跡においてなす凸曲線の曲率半径が、0.1mm〜0.5mmの範囲内とされていることを特徴とする請求項1に記載のドリル。
- 上記ガイド部は、上記最大外径部に対して上記軸線方向後端側の外径が小さくされているとともに、上記切刃部の後端側には上記軸線方向に複数の当該ガイド部が形成されていることを特徴とする請求項1または請求項2に記載のドリル。
- 上記切刃部の後端側には上記軸線方向に複数の当該ガイド部が形成されていて、このうち最後端のガイド部の上記最大外径部が、上記切刃部の先端から上記切屑排出溝の上記軸線方向の溝長さLに対してL/2までの範囲内に位置するように形成されていることを特徴とする請求項1から請求項3のいずれか一項に記載のドリル。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008232232A JP5035189B2 (ja) | 2008-09-10 | 2008-09-10 | ドリル |
KR1020117005605A KR101230107B1 (ko) | 2008-09-10 | 2009-09-04 | 드릴 |
PCT/JP2009/065468 WO2010029891A1 (ja) | 2008-09-10 | 2009-09-04 | ドリル |
EP09813037.0A EP2322303B1 (en) | 2008-09-10 | 2009-09-04 | Drill |
CN200980135915.0A CN102149497B (zh) | 2008-09-10 | 2009-09-04 | 钻头 |
US12/998,020 US8876445B2 (en) | 2008-09-10 | 2009-09-04 | Drill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008232232A JP5035189B2 (ja) | 2008-09-10 | 2008-09-10 | ドリル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010064186A JP2010064186A (ja) | 2010-03-25 |
JP5035189B2 true JP5035189B2 (ja) | 2012-09-26 |
Family
ID=42005147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008232232A Expired - Fee Related JP5035189B2 (ja) | 2008-09-10 | 2008-09-10 | ドリル |
Country Status (6)
Country | Link |
---|---|
US (1) | US8876445B2 (ja) |
EP (1) | EP2322303B1 (ja) |
JP (1) | JP5035189B2 (ja) |
KR (1) | KR101230107B1 (ja) |
CN (1) | CN102149497B (ja) |
WO (1) | WO2010029891A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011016960A1 (de) * | 2011-02-02 | 2012-08-02 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG | Bohrwerkzeug und Verfahren zur Herstellung von Bohrungen |
EP2952278B1 (en) | 2013-01-29 | 2020-03-11 | OSG Corporation | Drill |
DE102013004105A1 (de) * | 2013-03-11 | 2014-09-11 | Audi Ag | Bohrwerkzeug, insbesondere Reibahle |
WO2014155527A1 (ja) | 2013-03-26 | 2014-10-02 | オーエスジー株式会社 | 切削液供給穴付3枚刃ドリル |
USD765127S1 (en) | 2015-02-27 | 2016-08-30 | Samsung Electronics Co., Ltd. | Display screen or portion thereof with graphical user interface |
JP6699836B2 (ja) * | 2017-06-13 | 2020-05-27 | 住友電工ハードメタル株式会社 | ドリル |
CN107152242B (zh) * | 2017-06-23 | 2023-10-20 | 浙江君悦标准件有限公司 | 一种导屑型钻孔螺杆 |
EP3599043A1 (en) * | 2018-07-23 | 2020-01-29 | Walter Ag | Deep hole drill |
JP6797873B2 (ja) * | 2018-09-19 | 2020-12-09 | 株式会社ビック・ツール | 炭素繊維複合材用ドリル |
JP6727567B1 (ja) * | 2019-06-26 | 2020-07-22 | 株式会社ビック・ツール | 炭素繊維複合材用ドリル |
EP4306247A4 (en) * | 2021-03-08 | 2024-04-24 | Sumitomo Electric Hardmetal Corp. | DRILL |
CN114472985B (zh) * | 2021-12-03 | 2024-07-23 | 中航沈飞民用飞机有限责任公司 | 带前后导向的大尺寸高精度阶梯扩孔刀具 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2897695A (en) * | 1959-02-24 | 1959-08-04 | James C Winslow | Drill countersink bit |
JPS48114379U (ja) * | 1972-04-01 | 1973-12-27 | ||
SU464398A1 (ru) * | 1972-11-04 | 1975-03-25 | Тульский Политехнический Институт | Спиральное сверло |
DE2541423A1 (de) * | 1975-09-17 | 1977-03-31 | Tiefbohr Technik Gmbh | Tiefbohrwerkzeug mit einem bohrkopf und einem langen schaft |
JPS55150905A (en) * | 1979-05-11 | 1980-11-25 | Hitachi Ltd | Drill for high speed drilling |
JPS5648416U (ja) | 1979-09-18 | 1981-04-30 | ||
SU965627A1 (ru) * | 1981-01-19 | 1982-10-15 | Ордена Трудового Красного Знамени Ленинградский Институт Точной Механики И Оптики | Спиральное сверло |
JPS5840209A (ja) * | 1981-09-02 | 1983-03-09 | Toshiaki Hosoi | ドリル |
SU1103959A1 (ru) * | 1983-02-02 | 1984-07-23 | Skochko Evgenij V | Спиральное сверло |
SU1668054A1 (ru) * | 1989-01-12 | 1991-08-07 | Саратовский политехнический институт | Спиральное сверло |
JP2963736B2 (ja) * | 1990-07-17 | 1999-10-18 | 東芝タンガロイ株式会社 | 穴あけ工具 |
DE4028261A1 (de) * | 1990-08-06 | 1992-02-13 | Fischer Artur Werke Gmbh | Bohrer zur herstellung von zylindrischen bohrloechern |
DE9103015U1 (de) * | 1991-03-13 | 1992-07-09 | fischerwerke Artur Fischer GmbH & Co KG, 7244 Waldachtal | Bohrer zur Herstellung von Bohrlöchern mit Hinterschneidung |
JPH0550313A (ja) * | 1991-08-19 | 1993-03-02 | Kobe Steel Ltd | ドリル |
GB9310029D0 (en) * | 1993-05-15 | 1993-06-30 | Stewart Arthur D | Improvements in or relating to drill pipe |
US5697640A (en) | 1996-02-16 | 1997-12-16 | Trw Vehicle Safety Systems Inc. | Pleated air bag |
US5807039A (en) * | 1997-02-13 | 1998-09-15 | Credo Tool Company | Drill bit |
DE19807429A1 (de) * | 1998-02-23 | 1999-08-26 | Mueller | Bohrer |
JP4226707B2 (ja) * | 1998-12-24 | 2009-02-18 | 三菱樹脂株式会社 | 流体分岐ブロックおよび流体分岐ブロック製造用金型 |
JP2003340623A (ja) * | 2002-05-28 | 2003-12-02 | Nissan Motor Co Ltd | ドリル |
BRPI0508718A (pt) | 2004-03-17 | 2007-08-07 | Kennametal Inc | broca helicoidal |
JP4843317B2 (ja) | 2006-01-26 | 2011-12-21 | 住友電工ハードメタル株式会社 | ガイド付きロングドリル |
DE102006062429A1 (de) | 2006-12-27 | 2008-07-03 | Günther & Co. GmbH | Tieflochbohrer mit Stützring und Verfahren zu dessen Herstellung |
-
2008
- 2008-09-10 JP JP2008232232A patent/JP5035189B2/ja not_active Expired - Fee Related
-
2009
- 2009-09-04 CN CN200980135915.0A patent/CN102149497B/zh not_active Expired - Fee Related
- 2009-09-04 EP EP09813037.0A patent/EP2322303B1/en not_active Not-in-force
- 2009-09-04 US US12/998,020 patent/US8876445B2/en not_active Expired - Fee Related
- 2009-09-04 KR KR1020117005605A patent/KR101230107B1/ko active IP Right Grant
- 2009-09-04 WO PCT/JP2009/065468 patent/WO2010029891A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2010064186A (ja) | 2010-03-25 |
WO2010029891A1 (ja) | 2010-03-18 |
KR20110055612A (ko) | 2011-05-25 |
CN102149497B (zh) | 2015-01-28 |
EP2322303A1 (en) | 2011-05-18 |
CN102149497A (zh) | 2011-08-10 |
KR101230107B1 (ko) | 2013-02-05 |
EP2322303B1 (en) | 2015-01-21 |
EP2322303A4 (en) | 2012-11-07 |
US20110211924A1 (en) | 2011-09-01 |
US8876445B2 (en) | 2014-11-04 |
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