ES2029456T3 - Procedimiento para el afilado de una broca espiral. - Google Patents
Procedimiento para el afilado de una broca espiral.Info
- Publication number
- ES2029456T3 ES2029456T3 ES198787107790T ES87107790T ES2029456T3 ES 2029456 T3 ES2029456 T3 ES 2029456T3 ES 198787107790 T ES198787107790 T ES 198787107790T ES 87107790 T ES87107790 T ES 87107790T ES 2029456 T3 ES2029456 T3 ES 2029456T3
- Authority
- ES
- Spain
- Prior art keywords
- drill
- grinding wheel
- grinding
- axis
- cutting edge
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
- B24B3/26—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills
-
- 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
- B23B2251/00—Details of tools for drilling machines
- B23B2251/18—Configuration of the drill point
-
- 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
- Y10T408/906—Axially spaced
- Y10T408/9065—Axially spaced with central lead
-
- 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
Abstract
EN UNA BROCA ESPIRAL AFILADA POR UNA MUELA DE TORNILLO, EL GROSOR DEL NUCLEO DE LA BROCA ES DE UN 25 AL 40% DEL DIAMETRO DE LA BROCA. AL INICIO DEL AFILADO, LA GENERATRIZ (16) SOBRESALE DE LA SUPERFICIE PRINCIPAL LIBRE (10) POR ENCIMA DEL EJE DE LA BROCA (7) POR EL VALOR EXCEDENTE DE SU (18). CON EL AFILADO PROGRESIVO, LA GENERATRIZ (16) ES DESPLAZADA HACIA AFUERA POR EL EMPUJE RADIAL (19) DE LA POSICION CENTRAL HASTA QUE, UNA VEZ TERMINADO EL AFILADO, PRESENTA UNA DISTANCIA CENTRAL ADELANTADA U (20) DE APROXIMADAMENTE 7 AL 14% DEL DIAMETRO DE LA BROCA. PARTIENDO DESDE EL AFILADO DEL CORTE PRINCIPAL (3), SE AMPLIA PROGRESIVAMENTE EL AVANCE AXIAL (21) DE LA GENERATRIZ (16) EN DIRECCION AXIAL DE LA BROCA (1).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863619245 DE3619245A1 (de) | 1985-09-18 | 1986-06-07 | Spiralbohrer |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2029456T3 true ES2029456T3 (es) | 1992-08-16 |
Family
ID=6302541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198787107790T Expired - Lifetime ES2029456T3 (es) | 1986-06-07 | 1987-05-29 | Procedimiento para el afilado de una broca espiral. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4826368A (es) |
EP (1) | EP0249104B1 (es) |
JP (2) | JPS6339707A (es) |
KR (1) | KR910004549B1 (es) |
AT (1) | ATE72157T1 (es) |
CA (1) | CA1279212C (es) |
DE (1) | DE3776414D1 (es) |
ES (1) | ES2029456T3 (es) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5184926A (en) * | 1990-11-05 | 1993-02-09 | Megatool, Inc. | Root-strength drill bit and method of making |
US5609447A (en) * | 1993-11-15 | 1997-03-11 | Rogers Tool Works, Inc. | Surface decarburization of a drill bit |
US5628837A (en) * | 1993-11-15 | 1997-05-13 | Rogers Tool Works, Inc. | Surface decarburization of a drill bit having a refined primary cutting edge |
JP2001518021A (ja) * | 1997-03-25 | 2001-10-09 | ギューリング ヨルグ | 穴あけ工具 |
DE19726984A1 (de) * | 1997-06-25 | 1999-01-07 | Kennametal Inc | Bohrer zum Trockenbohren |
US6283682B1 (en) * | 1997-09-30 | 2001-09-04 | Jerald D. Plummer | Helically fluted twist drill device |
US6045305A (en) * | 1997-09-30 | 2000-04-04 | Plummer; Jerald D. | Helically fluted twist drill device |
DE19955172A1 (de) * | 1999-11-16 | 2001-05-23 | Kennametal Inc | Verfahren zum Schleifen einer Bohrspitze und Bohrerspitze |
US6443674B1 (en) * | 2000-05-19 | 2002-09-03 | Ics Cutting Tools, Inc. | Self-centering twist drill having a modified flat bottom section and a helical crown point tip |
US9199315B2 (en) | 2000-06-02 | 2015-12-01 | Kennametal Inc. | Twist drill and method for producing a twist drill which method includes forming a flute of a twist drill |
JP2002144125A (ja) * | 2000-08-31 | 2002-05-21 | Mitsubishi Materials Corp | 穴明け工具 |
US6585460B1 (en) * | 2000-11-13 | 2003-07-01 | General Electric Company | Drill having machine grindable cutting edge |
US6739809B2 (en) | 2001-09-19 | 2004-05-25 | Kennametal Inc. | Cutting point for a drill |
US7832966B2 (en) | 2003-01-30 | 2010-11-16 | Kennametal Inc. | Drill for making flat bottom hole |
DE10337203A1 (de) | 2003-08-13 | 2005-03-31 | Kennametal Inc. | Bohrwerkzeug |
DE102004058163A1 (de) * | 2004-12-02 | 2006-06-08 | Kennametal Inc. | Bohr-/Faswerkzeug |
SE528917C2 (sv) * | 2005-07-05 | 2007-03-13 | Sandvik Intellectual Property | Spiralborr |
US7950880B2 (en) * | 2006-10-18 | 2011-05-31 | Kennametal Inc. | Spiral flute tap |
DE102008004564B4 (de) * | 2008-01-15 | 2013-04-11 | EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik für Präzisionswerkzeuge | Bohrwerkzeug mit Ausspitzung |
US8740515B2 (en) | 2008-09-03 | 2014-06-03 | Black & Decker Inc. | Metal cutting drill bit |
US8408850B2 (en) * | 2009-06-16 | 2013-04-02 | Kennametal Inc. | Twist drill with negative axial rake transition between the lip and the secondary cutting edge |
DE102010006797B4 (de) * | 2010-02-04 | 2011-12-22 | Kennametal Inc. | Bohrwerkzeug |
DE102010006796B4 (de) | 2010-02-04 | 2011-12-08 | Kennametal Inc. | Verfahren zur Herstellung eines Bohrers, sowie Bohrer |
EP2502709B1 (en) | 2011-03-22 | 2017-02-01 | Black & Decker Inc. | Chisels |
JP5823840B2 (ja) * | 2011-11-30 | 2015-11-25 | 富士重工業株式会社 | ドリルおよび切削加工物の製造方法 |
DE102013202578B4 (de) * | 2013-02-18 | 2014-08-28 | Kennametal Inc. | Verfahren zur Herstellung einer sich in Axialrichtung erstreckenden Werkzeugspitze sowie Werkzeugspitze |
USD734792S1 (en) | 2013-03-15 | 2015-07-21 | Black & Decker Inc. | Drill bit |
US9333564B2 (en) | 2013-03-15 | 2016-05-10 | Black & Decker Inc. | Drill bit |
USD737875S1 (en) | 2013-03-15 | 2015-09-01 | Black & Decker Inc. | Drill bit |
CN103128346B (zh) * | 2013-03-19 | 2015-11-25 | 大连远东工具有限公司 | 具有螺旋状切削后刀面的麻花钻 |
US9468981B2 (en) * | 2013-12-31 | 2016-10-18 | Shenzhen Jinzhou Precision Technology Corp. | Micro-drill and method for manufacturing the micro-drill |
DE102015210817B4 (de) * | 2015-06-12 | 2021-06-10 | Kennametal Inc. | Rotationswerkzeug sowie Verfahren zur Herstellung eines Rotationswerkzeugs |
DE102018205681B4 (de) * | 2018-04-13 | 2023-06-15 | Kennametal Inc. | Verfahren zur Herstellung eines Schneidwerkzeugs und Schneidwerkzeug |
CN108972169B (zh) * | 2018-07-25 | 2020-06-02 | 北京理工大学 | 一种非共轴螺旋后刀面微细钻削刀具及其刃磨方法 |
DE102019102334A1 (de) * | 2019-01-30 | 2020-07-30 | Kennametal Inc. | Verfahren zur Herstellung eines Schneidwerkzeugs sowie Schneidwerkzeug |
WO2021074958A1 (ja) * | 2019-10-15 | 2021-04-22 | 住友電工ハードメタル株式会社 | ドリル |
CN112507523A (zh) * | 2020-11-16 | 2021-03-16 | 深圳数马电子技术有限公司 | 一种麻花钻模型的建立方法以及装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH250713A (fr) * | 1945-11-16 | 1947-09-15 | Zenith Montres | Procédé d'affûtage de forets hélicoïdaux. |
US2903922A (en) * | 1957-06-24 | 1959-09-15 | Cincinnati Milling Machine Co | Self-centering drill |
US3037329A (en) * | 1957-09-20 | 1962-06-05 | Cincinnati Milling Machine Co | Method and apparatus for grinding drills |
US3109270A (en) * | 1960-04-22 | 1963-11-05 | Cincinnati Milling Machine Co | Drill grinding method |
US3067548A (en) * | 1960-06-06 | 1962-12-11 | Winslow Product Engineering Co | Drill pointing method and machine |
US3209493A (en) * | 1963-08-19 | 1965-10-05 | Winslow Product Engineering Co | Drill pointing machine |
US3656264A (en) * | 1970-04-24 | 1972-04-18 | Radial Lip Machine Inc | Method of grinding drills |
SU582919A1 (ru) * | 1975-10-31 | 1977-12-05 | Всесоюзный Научно-Исследовательский Инструментальный Институт | Спиральное сверло |
US4222690A (en) * | 1977-12-03 | 1980-09-16 | Ryosuke Hosoi | Drill having cutting edges with the greatest curvature at the central portion thereof |
US4602900A (en) * | 1979-10-01 | 1986-07-29 | Arpaio Jr Jerry | Micro drill with modified drill point |
US4365444A (en) * | 1980-06-24 | 1982-12-28 | Chwae John C | Drill point grinding machine |
JPS5721213A (en) * | 1980-07-14 | 1982-02-03 | Mitsubishi Metal Corp | Drill |
JPS6048207A (ja) * | 1983-08-25 | 1985-03-15 | Mitsubishi Metal Corp | 超硬ドリルの製造方法 |
JPS60114407A (ja) * | 1983-11-24 | 1985-06-20 | Sumitomo Electric Ind Ltd | ドリル |
JPS60197307A (ja) * | 1984-03-22 | 1985-10-05 | Yamamoto Seikou Kk | ドリル |
-
1987
- 1987-05-29 ES ES198787107790T patent/ES2029456T3/es not_active Expired - Lifetime
- 1987-05-29 DE DE8787107790T patent/DE3776414D1/de not_active Expired - Lifetime
- 1987-05-29 AT AT87107790T patent/ATE72157T1/de not_active IP Right Cessation
- 1987-05-29 EP EP87107790A patent/EP0249104B1/de not_active Expired - Lifetime
- 1987-06-05 KR KR1019870005707A patent/KR910004549B1/ko not_active IP Right Cessation
- 1987-06-05 JP JP62140148A patent/JPS6339707A/ja active Pending
- 1987-06-08 US US07/059,648 patent/US4826368A/en not_active Expired - Lifetime
- 1987-06-08 CA CA000539134A patent/CA1279212C/en not_active Expired - Lifetime
-
1992
- 1992-10-19 JP JP1992072617U patent/JP2562154Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0249104B1 (de) | 1992-01-29 |
EP0249104A1 (de) | 1987-12-16 |
KR880000178A (ko) | 1988-03-24 |
JP2562154Y2 (ja) | 1998-02-10 |
KR910004549B1 (ko) | 1991-07-06 |
ATE72157T1 (de) | 1992-02-15 |
DE3776414D1 (de) | 1992-03-12 |
JPS6339707A (ja) | 1988-02-20 |
US4826368A (en) | 1989-05-02 |
CA1279212C (en) | 1991-01-22 |
JPH0624810U (ja) | 1994-04-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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