JP4407974B2 - ボールエンドミル - Google Patents
ボールエンドミル Download PDFInfo
- Publication number
- JP4407974B2 JP4407974B2 JP2007514945A JP2007514945A JP4407974B2 JP 4407974 B2 JP4407974 B2 JP 4407974B2 JP 2007514945 A JP2007514945 A JP 2007514945A JP 2007514945 A JP2007514945 A JP 2007514945A JP 4407974 B2 JP4407974 B2 JP 4407974B2
- Authority
- JP
- Japan
- Prior art keywords
- end mill
- ball end
- ball
- cutting
- blade
- 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
- 238000005520 cutting process Methods 0.000 description 113
- 239000000463 material Substances 0.000 description 34
- 230000000694 effects Effects 0.000 description 16
- 230000002093 peripheral effect Effects 0.000 description 16
- 238000012360 testing method Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 239000010730 cutting oil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- B23C2210/20—Number of cutting edges
- B23C2210/202—Number of cutting edges three
-
- 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
- Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
- Y10T407/1908—Face or end mill
- Y10T407/1924—Specified tool shape
-
- 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.]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
- Processing Of Stones Or Stones Resemblance Materials (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
D 外径
O 軸線
P 接続部(第1刃部の終端、第2刃部の始端)
R1 第1曲率半径
R2 第2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に形成され、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/JP2005/019085 WO2007046131A1 (ja) | 2005-10-18 | 2005-10-18 | ボールエンドミル |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2007046131A1 JPWO2007046131A1 (ja) | 2009-04-23 |
JP4407974B2 true JP4407974B2 (ja) | 2010-02-03 |
Family
ID=37859489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007514945A Active JP4407974B2 (ja) | 2005-10-18 | 2005-10-18 | ボールエンドミル |
Country Status (6)
Country | Link |
---|---|
US (1) | US7478977B2 (ja) |
EP (1) | EP1820589B1 (ja) |
JP (1) | JP4407974B2 (ja) |
CN (1) | CN100448579C (ja) |
DE (1) | DE602005014506D1 (ja) |
WO (1) | WO2007046131A1 (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 |
US10160046B2 (en) | 2014-10-28 | 2018-12-25 | Mitsubishi Hitachi Tool Engineering, Ltd. | Multi-flute ball end mill |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070172321A1 (en) * | 2004-04-20 | 2007-07-26 | Tamotsu Nagai | Ball endmill |
US7618219B2 (en) * | 2005-10-18 | 2009-11-17 | Osg Corporation | Ball endmill |
PT1815958E (pt) * | 2006-02-06 | 2008-10-28 | Buss Ag | Máquina de misturar e amassar |
DE102007044269A1 (de) * | 2007-09-17 | 2009-03-19 | Arno Friedrichs | Nur teilweise geschliffener Werkzeugstab aus Sintermaterial |
US10265784B2 (en) * | 2012-10-29 | 2019-04-23 | Kyocera Corporation | Ball end mill |
CN102962871A (zh) * | 2012-11-28 | 2013-03-13 | 东阳市速博数控刀具有限公司 | 微径双刃锥度球刀 |
EP3071356B1 (de) * | 2013-11-20 | 2024-02-21 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG | Fräswerkzeug |
CN103611976A (zh) * | 2013-12-04 | 2014-03-05 | 南通市华海铸造有限公司 | 球头立铣刀 |
GB2573524B (en) * | 2018-05-08 | 2023-01-18 | Prima Dental Mfg Limited | Dental milling tool |
WO2020245878A1 (ja) * | 2019-06-03 | 2020-12-10 | オーエスジー株式会社 | ボールエンドミル及び切削インサート |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US271646A (en) * | 1883-02-06 | Johann martignoni | ||
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 |
JPS5542760A (en) * | 1978-09-20 | 1980-03-26 | Toyo Tatsupu Kk | Cutting tool |
DE10238334A1 (de) * | 2002-08-16 | 2004-02-26 | Sandvik Ab | Bohr- oder Fräswerkzeug und Verfahren zu dessen Herstellung |
JPS60207711A (ja) * | 1984-03-31 | 1985-10-19 | Morio Kitani | 大捻角、大スクイ角の円筒面捻刃、円錐捻刃のボ−ルエンドミル |
JPH02303707A (ja) * | 1989-05-16 | 1990-12-17 | Mitsubishi Heavy Ind Ltd | ボールエンドミル |
JPH0365614A (ja) | 1989-08-02 | 1991-03-20 | Mitsubishi Electric Corp | メカトロニクス機器 |
JPH0365614U (ja) * | 1989-10-26 | 1991-06-26 | ||
JPH0451928A (ja) | 1990-06-18 | 1992-02-20 | Machida Endscope Co Ltd | 内視鏡用保護装置 |
US5193943A (en) * | 1992-02-06 | 1993-03-16 | Hyundai Motor Co. | Cutting tool for use in a milling machine |
JP3318020B2 (ja) * | 1993-01-21 | 2002-08-26 | 日進工具株式会社 | ボールエンドミル |
US5685671A (en) * | 1993-11-01 | 1997-11-11 | Smith International, Inc. | Diamond or CBN fluted center cutting end mill |
JPH09192915A (ja) * | 1996-01-18 | 1997-07-29 | Yutaka Giken Co Ltd | ボールエンドミル |
JP3189725B2 (ja) * | 1997-03-11 | 2001-07-16 | 三菱マテリアル株式会社 | ボールエンドミル |
DE19824212B4 (de) * | 1997-06-13 | 2007-11-15 | Nachi-Fujikoshi Corp. | Hartmetall-Kugelschneidkopfschaftfräser |
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 |
JP2000190122A (ja) * | 1998-12-24 | 2000-07-11 | Mitsubishi Materials Corp | クーラント穴付き転削工具 |
JP2001025912A (ja) * | 1999-07-15 | 2001-01-30 | Btt Kk | ボールエンドミル |
JP2002187011A (ja) * | 2000-12-21 | 2002-07-02 | Osg Corp | 多刃ボールエンドミル |
DE20310713U1 (de) * | 2003-07-12 | 2003-09-18 | Fette GmbH, 21493 Schwarzenbek | Stirnfräser |
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 |
US20070172321A1 (en) * | 2004-04-20 | 2007-07-26 | Tamotsu Nagai | Ball endmill |
-
2005
- 2005-10-18 WO PCT/JP2005/019085 patent/WO2007046131A1/ja active Application Filing
- 2005-10-18 US US10/586,002 patent/US7478977B2/en active Active
- 2005-10-18 JP JP2007514945A patent/JP4407974B2/ja active Active
- 2005-10-18 DE DE602005014506T patent/DE602005014506D1/de active Active
- 2005-10-18 EP EP05795502A patent/EP1820589B1/en active Active
- 2005-10-18 CN CNB2005800073980A patent/CN100448579C/zh active Active
Cited By (3)
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 |
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 |
US10160046B2 (en) | 2014-10-28 | 2018-12-25 | Mitsubishi Hitachi Tool Engineering, Ltd. | Multi-flute ball end mill |
Also Published As
Publication number | Publication date |
---|---|
EP1820589B1 (en) | 2009-05-13 |
US20070081868A1 (en) | 2007-04-12 |
CN100448579C (zh) | 2009-01-07 |
WO2007046131A1 (ja) | 2007-04-26 |
US7478977B2 (en) | 2009-01-20 |
JPWO2007046131A1 (ja) | 2009-04-23 |
CN1929944A (zh) | 2007-03-14 |
EP1820589A1 (en) | 2007-08-22 |
DE602005014506D1 (de) | 2009-06-25 |
EP1820589A4 (en) | 2007-11-07 |
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