JP4407975B2 - ボールエンドミル - Google Patents
ボールエンドミル Download PDFInfo
- Publication number
- JP4407975B2 JP4407975B2 JP2007514946A JP2007514946A JP4407975B2 JP 4407975 B2 JP4407975 B2 JP 4407975B2 JP 2007514946 A JP2007514946 A JP 2007514946A JP 2007514946 A JP2007514946 A JP 2007514946A JP 4407975 B2 JP4407975 B2 JP 4407975B2
- Authority
- JP
- Japan
- Prior art keywords
- end mill
- blade
- ball end
- cutting
- ball
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/1009—Ball nose end mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/08—Side or top views of the cutting edge
- B23C2210/084—Curved cutting edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/08—Side or top views of the cutting edge
- B23C2210/086—Discontinuous or interrupted 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
- Y10T407/19—Rotary cutting 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
- Y10T407/19—Rotary cutting tool
- Y10T407/1946—Face or end mill
-
- 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
- Y10T407/19—Rotary cutting tool
- Y10T407/1946—Face or end mill
- Y10T407/1948—Face or end mill with cutting edge entirely across end of tool [e.g., router bit, end mill, etc.]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Description
2 工具本体
6a〜6c ボール刃
6a1〜6c1 第1刃部
6a2〜6c2 第2刃部
6a3〜6c3 第3刃部
D 外径
O 軸線
P 接続部(第1刃部の終端、第2刃部の始端)
Q 接続部(第2刃部の終端、第3刃部の始端)
R1 第1曲率半径
R2 第2曲率半径
R3 第3曲率半径
θ 円周角
Claims (1)
- 軸線を回転軸として回転される円柱状の工具本体と、前記工具本体の先端側に設けられると共に回転軌跡が半球状となるボール刃とを備えるボールエンドミルにおいて、
前記ボール刃は、前記軸線を始端として形成される第1刃部と、前記第1刃部の終端に接続され前記第1刃部の終端を始端として形成される第2刃部と、前記第2刃部の終端に接続され前記第2刃部の終端を始端として形成される第3刃部とを備え、
前記第1刃部は、前記軸線方向の先端視において、前記工具本体の回転方向に凸となる第1曲率半径を有する円弧状に形成され、前記第1曲率半径が外径Dに対し0.025D以上かつ0.10D以下の範囲となり、かつ、円周角が60°以上かつ120°以下の範囲となるように構成され、
前記第2刃部は、前記軸線方向の先端視において、前記工具本体の回転方向に凸となる第2曲率半径を有する円弧状又は直線状に形成され、前記第2刃部が円弧状に形成される場合には、前記第2曲率半径が前記第1曲率半径よりも大きい曲率半径となるように構成され、
前記第3刃部は、前記軸線方向の先端視において、前記工具本体の回転方向に凸となる第3曲率半径を有する円弧状に形成され、前記第2刃部が前記第2曲率半径を有する円弧状に形成される場合には、前記第3曲率半径が前記第2曲率半径よりも小さい曲率半径となるように構成されていることを特徴とするボールエンドミル。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/019086 WO2007046132A1 (ja) | 2005-10-18 | 2005-10-18 | ボールエンドミル |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2007046132A1 JPWO2007046132A1 (ja) | 2009-04-23 |
JP4407975B2 true JP4407975B2 (ja) | 2010-02-03 |
Family
ID=37962234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007514946A Active JP4407975B2 (ja) | 2005-10-18 | 2005-10-18 | ボールエンドミル |
Country Status (6)
Country | Link |
---|---|
US (1) | US7618219B2 (ja) |
EP (1) | EP1935541B1 (ja) |
JP (1) | JP4407975B2 (ja) |
CN (1) | CN100436014C (ja) |
DE (1) | DE602005018690D1 (ja) |
WO (1) | WO2007046132A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103639502A (zh) * | 2013-12-27 | 2014-03-19 | 哈尔滨理工大学 | 模具用宽行加工可转位球头铣刀 |
WO2014069453A1 (ja) | 2012-10-29 | 2014-05-08 | 京セラ株式会社 | ボールエンドミル |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL174775A (en) * | 2006-04-04 | 2013-06-27 | Hanita Metal Works Ltd | Milling face |
JP5194637B2 (ja) * | 2007-08-21 | 2013-05-08 | 三菱マテリアル株式会社 | エンドミル |
US8585329B2 (en) * | 2007-11-07 | 2013-11-19 | Toyota Jidosha Kabushiki Kaisha | Ball end mill |
KR20120129963A (ko) * | 2010-08-06 | 2012-11-28 | 생-고벵 아브라시프 | 작업편 내의 복잡한 형상을 마무리 가공하기 위한 연삭 공구 및 방법 |
CN102328127B (zh) * | 2011-09-22 | 2013-04-10 | 山东理工大学 | 微细锥形球头铣刀 |
CN103157844B (zh) * | 2011-12-18 | 2015-06-17 | 沈阳黎明航空发动机(集团)有限责任公司 | 叶轮深孔加工用六刃锥形球铣刀 |
CN102601436A (zh) * | 2012-03-02 | 2012-07-25 | 哈尔滨理工大学 | 双圆弧异形内冷式钛合金高效铣削刀具 |
DE102013205363B4 (de) | 2013-03-26 | 2022-01-05 | Kennametal Inc. | Werkzeugkopf sowie Verfahren zur Bearbeitung eines metallischen Werkstücks |
JP7075584B2 (ja) * | 2018-04-16 | 2022-05-26 | 三菱重工業株式会社 | ラジアスエンドミル及びこれを用いた工作機械、並びにラジアスエンドミルの設計方法及び加工方法 |
CN109262038B (zh) * | 2018-10-29 | 2020-06-02 | 株洲钻石切削刀具股份有限公司 | 一种多功能球头铣刀 |
CN109551027A (zh) * | 2019-01-07 | 2019-04-02 | 哈尔滨理工大学 | 关于陡立面模具加工的球头铣刀 |
US11865629B2 (en) | 2021-11-04 | 2024-01-09 | Kennametal Inc. | Rotary cutting tool with high ramp angle capability |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5331286A (en) | 1976-09-02 | 1978-03-24 | Riyousuke Hosoi | Ball end mill |
US4123186A (en) * | 1977-05-06 | 1978-10-31 | Ford Motor Company | Tool for machining clay |
JPS5841058Y2 (ja) * | 1978-08-03 | 1983-09-16 | 三菱マテリアル株式会社 | スロ−アウエイチツプ |
JPS5526620A (en) | 1978-08-15 | 1980-02-26 | Toshiba Corp | Electronic beam exposure device |
US4285618A (en) * | 1979-10-12 | 1981-08-25 | Shanley Stephen E Jr | Rotary milling cutter |
JPS58164617A (ja) | 1982-03-25 | 1983-09-29 | Toray Ind Inc | プラスチツクレンズ用樹脂 |
JPS58164617U (ja) * | 1982-04-28 | 1983-11-02 | 細井 俊明 | エンドミル |
JPH02303707A (ja) | 1989-05-16 | 1990-12-17 | Mitsubishi Heavy Ind Ltd | ボールエンドミル |
JPH0451928A (ja) | 1990-06-18 | 1992-02-20 | Machida Endscope Co Ltd | 内視鏡用保護装置 |
FR2713527B1 (fr) * | 1993-12-08 | 1996-01-12 | Snecma | Foret de perçage à tête hémisphérique à coupe évolutive. |
US5636948A (en) * | 1995-05-04 | 1997-06-10 | Fullerton Tool Company, Inc. | Drill for synthetic fiber filled plastic and like materials |
JPH11156624A (ja) * | 1997-11-21 | 1999-06-15 | Mitsubishi Materials Corp | スローアウェイ式ボールエンドミル |
JP2000117522A (ja) | 1998-10-09 | 2000-04-25 | Shinko Kobelco Tool Kk | ボールエンドミル |
KR100291563B1 (ko) * | 1998-11-12 | 2001-07-12 | 송호근 | 구형전삭공구 |
US6602029B1 (en) * | 2000-10-05 | 2003-08-05 | Kennametal Inc. | Cutting tool and method and apparatus for making the same |
US6846135B2 (en) * | 2002-03-25 | 2005-01-25 | Hitachi Tool Engineering Ltd. | Radius end mill having radius edge enhanced in resistance to chipping and fracture |
JP4097515B2 (ja) | 2002-12-02 | 2008-06-11 | 日立ツール株式会社 | ボールエンドミル |
JP2005118960A (ja) | 2003-10-17 | 2005-05-12 | Nisshin Kogu Kk | エンドミル |
JP4677722B2 (ja) | 2004-02-13 | 2011-04-27 | 三菱マテリアル株式会社 | 3枚刃ボールエンドミル |
IL162587A (en) * | 2004-06-17 | 2008-12-29 | Hanita Metal Works Ltd | Torsionally-stiff end mill |
US7223053B2 (en) * | 2004-09-01 | 2007-05-29 | Berkshire Precision Tool, Llc | Helical flute end mill with multi-section cutting edge |
DE602005014506D1 (de) * | 2005-10-18 | 2009-06-25 | Osg Corp | Kugelfräser |
-
2005
- 2005-10-18 WO PCT/JP2005/019086 patent/WO2007046132A1/ja active Application Filing
- 2005-10-18 DE DE602005018690T patent/DE602005018690D1/de active Active
- 2005-10-18 JP JP2007514946A patent/JP4407975B2/ja active Active
- 2005-10-18 EP EP05795506A patent/EP1935541B1/en active Active
- 2005-10-18 US US11/578,267 patent/US7618219B2/en active Active
- 2005-10-18 CN CNB2005800139812A patent/CN100436014C/zh active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014069453A1 (ja) | 2012-10-29 | 2014-05-08 | 京セラ株式会社 | ボールエンドミル |
US10265784B2 (en) | 2012-10-29 | 2019-04-23 | Kyocera Corporation | Ball end mill |
CN103639502A (zh) * | 2013-12-27 | 2014-03-19 | 哈尔滨理工大学 | 模具用宽行加工可转位球头铣刀 |
CN103639502B (zh) * | 2013-12-27 | 2016-08-17 | 哈尔滨理工大学 | 模具用宽行加工可转位球头铣刀 |
Also Published As
Publication number | Publication date |
---|---|
US7618219B2 (en) | 2009-11-17 |
EP1935541B1 (en) | 2009-12-30 |
WO2007046132A1 (ja) | 2007-04-26 |
JPWO2007046132A1 (ja) | 2009-04-23 |
CN1972773A (zh) | 2007-05-30 |
EP1935541A1 (en) | 2008-06-25 |
US20080286058A1 (en) | 2008-11-20 |
EP1935541A4 (en) | 2008-09-24 |
CN100436014C (zh) | 2008-11-26 |
DE602005018690D1 (de) | 2010-02-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4407975B2 (ja) | ボールエンドミル | |
JP4407974B2 (ja) | ボールエンドミル | |
KR101348459B1 (ko) | 절삭 공구 및 절삭 인서트 | |
WO2005102572A1 (ja) | ボールエンドミル | |
JP5447021B2 (ja) | ボールエンドミル | |
US8690493B2 (en) | End mill | |
JP2006212744A (ja) | エンドミル | |
WO2014069265A1 (ja) | クーラント穴付きエンドミル | |
JP2009056559A (ja) | ボールエンドミル | |
CN110446575B (zh) | 球头立铣刀 | |
JP2006224254A (ja) | ボールエンドミル | |
JP2018199198A (ja) | ボールエンドミル | |
JP2009184043A (ja) | 段付きツイストドリルおよびその製造方法 | |
JP2006263870A (ja) | ラジアスエンドミル、及び、ラジアスエンドミルの製造方法 | |
JP2009184044A (ja) | 段付きツイストドリルおよびその製造方法 | |
JP5402575B2 (ja) | エンドミル | |
KR100820948B1 (ko) | 볼 엔드밀 | |
KR100807225B1 (ko) | 볼 엔드밀 | |
JPH11156623A (ja) | 球状刃エンドミル | |
KR20110023709A (ko) | 회전절삭공구 | |
JP3754270B2 (ja) | テーパ刃エンドミル | |
JP2000117522A (ja) | ボールエンドミル | |
JP5177982B2 (ja) | エンドミル | |
JP2008173705A (ja) | 切削工具ユニット及びその切削工具ユニットに使用される切削工具 | |
JP2005279899A (ja) | エンドミル |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090407 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090430 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20091104 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20091104 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121120 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20151120 Year of fee payment: 6 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |