WO2010102705A1 - Bohrerspitze sowie bohrwerkzeug mit einer bohrerspitze - Google Patents
Bohrerspitze sowie bohrwerkzeug mit einer bohrerspitze Download PDFInfo
- Publication number
- WO2010102705A1 WO2010102705A1 PCT/EP2010/000877 EP2010000877W WO2010102705A1 WO 2010102705 A1 WO2010102705 A1 WO 2010102705A1 EP 2010000877 W EP2010000877 W EP 2010000877W WO 2010102705 A1 WO2010102705 A1 WO 2010102705A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drill bit
- drill
- drilling tool
- cutting
- rotation
- Prior art date
Links
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
- B23B2251/00—Details of tools for drilling machines
- B23B2251/02—Connections between shanks and removable cutting heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/04—Angles, e.g. cutting angles
- B23B2251/043—Helix angles
- B23B2251/046—Variable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/08—Side or plan views of cutting edges
- B23B2251/085—Discontinuous or interrupted cutting edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/28—Arrangement of teeth
- B23B2251/282—Unequal spacing of cutting edges in the circumferential direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/40—Flutes, i.e. chip conveying grooves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/40—Flutes, i.e. chip conveying grooves
- B23B2251/408—Spiral grooves
-
- 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
- B23B2251/00—Details of tools for drilling machines
- B23B2251/50—Drilling tools comprising cutting inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/70—Drills with vibration suppressing means
-
- 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
- Y10T408/909—Having peripherally spaced cutting edges
- Y10T408/9095—Having peripherally spaced cutting edges with axially extending relief channel
Definitions
- the invention relates to a drill bit according to the preamble of claim 1 and a drilling tool with such a drill bit.
- a drill bit according to the preamble of claim 1 can be taken for example from DE 10 2006 025 294 A1.
- a drilling tool is described with a special asymmetric design.
- the drill bit of this drill has two main cutting edges, which - unlike a symmetrical design - are not rotationally symmetrical with respect to a 180 ° rotation about the axis of rotation of the drilling tool.
- the main cutting edges extend to a cutting edge, which is followed by a secondary cutting edge, which runs along a flute.
- an additional Stützfase is formed on the back of the drill. With the Stauerfase the drilling tool is supported on the bore wall.
- the invention has for its object to provide a drilling tool that is easy to manufacture and in which the rattling is avoided as possible.
- the object is achieved with a drill bit with the features of claim 1 and by a drilling tool with such a drill bit.
- the drill bit comprises a fluted base extending in the axial direction along a rotation axis.
- the main body has a front end face on which at least two main cutting edges are provided. These run in the radial direction outwards to a cutting edge.
- the drill tip is formed asymmetrically in the cutting area and thus in particular in a cross section at the level of the cutting corners. At the same time, it is provided that this asymmetric configuration merges in the axial direction into a symmetrical configuration and preferably also remains symmetrical for the remaining axial length of the drilling tool.
- an asymmetrical design with respect to the rotation about the axis of rotation is understood to mean that the drill tip deviates from a rotational symmetry.
- the drill tip deviates from a 180 ° rotational symmetry and, in the case of an embodiment with three main cutting edges, from a 120 ° rotational symmetry, etc.
- the drill bit tip can be made asymmetrical with respect to a plurality of asymmetry features. Preferably, but not necessarily, all asymmetry features go into a symmetrical configuration. over.
- the transition to the symmetrical design therefore generally refers to at least one asymmetry feature.
- the main cutting edges of the drill bit are usually connected to each other via a so-called cross cutting edge, which forms the foremost tip of the drill bit tip on the axis of rotation.
- the main cutting edges extend in the radial direction to the outside.
- the radial outward direction is generally understood to mean that the main cutting edges extend from the drill center or the transverse cutting edge to the outer circumference of the main body.
- the main cutting edges do not run along a straight line but rather are curved.
- the main cutting edges are followed by a main relief surface, which merges into a flute.
- the main free surfaces are usually formed in the manner of conical surface and the entire drill bit is cone-like.
- the particular advantage of the special design with the transition from the frontal asymmetry to the spaced apart in the axial direction of the front symmetric configuration is the fact that the asymmetry is limited to a shortest possible area of the entire drilling tool, the drilling tool then to the asymmetric Region is thus formed symmetrically.
- asymmetric production deviating from the symmetrical design is required only in the region of the drill tip.
- For the rest of the drill body can therefore be resorted to conventional symmetrical machining process for the production of the drilling tool.
- a uniform chip flow is ensured by the symmetry in the axially rearward region. This is particularly advantageous for long drills.
- Such drilling tools are used in industrial production for the production of high-precision boreholes. For this purpose, they are clamped with a shaft in a receptacle of a machine tool that can be programmed, for example, in view of the desired speed and the desired feed and automatically performs the drilling process.
- a preferred asymmetry feature is to be seen in that the angular distance of a cutting edge, or a main cutting edge at a defined radial distance from the axis of rotation, to the cutting edge leading in the direction of rotation or to the leading main cutting edge is different from the angular distance to the trailing cutting edge or the trailing cutting edge ie the cutting corners are not uniformly distributed around the circumference.
- the secondary cutting edges have different inclinations in the transitional region from the symmetrical to the asymmetric configuration. Due to these different inclinations, therefore, the angular distance of the secondary cutting edges to each other changed.
- inclination of the secondary cutting edge is here understood the angle that the Secondary cutting edge encloses a line extending in the axial direction and lying on the circumferential line of the drilling tool. Since the secondary cutting edge also forms the rear edge of a flute, based on the direction of rotation, a swirl angle of the flutes is also determined via the secondary cutting edge. As a result, the helix angle of the flutes also changes in the transition region.
- the flutes at the level of the cutting corners on an asymmetrical configuration which then merges in the axial direction in a symmetrical configuration.
- This is of particular advantage in particular in the case of (nodular drilling tools, since this ensures that the flutes of the exchangeable drill tip part, in particular, are aligned with the flutes of the drill body, so that no interfering edges, etc. are formed.
- the flutes also have the same cross-sectional areas in the asymmetrical region, that is, the space available for the removal of the chips in both flutes is at least substantially the same. Due to the asymmetry of the cross-sectional areas in the asymmetric region, therefore, for example, a larger width of a chip flute is compensated by a smaller depth.
- the main free surfaces which adjoin the respective main cutting edge, are symmetrical to one another at their rear end to the extent that the rearward ends of the main relief surfaces have the same angular distance from one another, ie are arranged in an equally distributed manner.
- the rear end is understood here to be the end of the main free surface facing away from the associated main cutting edge, at which point it merges into an associated chip flute. Therefore, preferably only the cutting corners or the main cutting edges are arranged unevenly distributed. Insbesonde- In the design of the drill tip as an exchangeable module part, it is achieved that the receptacle for fastening the drill tip can be designed symmetrically.
- the asymmetric configuration merges continuously and in particular uniformly, namely without kinks and edges, into the symmetrical configuration.
- This uniform course ensures, in particular, safe chip removal.
- this is also relatively easy to design in terms of manufacturing technology.
- the drill bit tip is formed as an exchangeable module part intended for insertion into a drill bit body of a modular drilling tool.
- provision is made in particular for the symmetrical design to be achieved at the axially rear end of the exchangeable module part, in particular at its rear end face. This ensures that the asymmetrically formed at the front end of the drill bit can be used in a symmetrically shaped drill body.
- the axial length of the transition region, in which the symmetrical configuration merges into the asymmetrical configuration is preferably less than or equal to a functional axial length of the exchangeable bit tip part in the case of an exchangeable tip part.
- the term "functional axial length” is understood to mean, in particular, the length up to which the functional surfaces of the flute of the drill bit acting on the chip removal pass into the assigned areas of the flutes of the drill body or the length at which the minor cutting edges of the drill point fit into the associated secondary cutters of the drill body pass.
- the actual axial extent of the drill bit may exceed this functional axial length, for example due to mounting pins, etc.
- the axial length of the transition region is preferably 0.5 to 5 times the nominal diameter of the solid tool.
- the axial length of the transition region is usually about 0.5 to 1 times the nominal diameter of the drill bit.
- Fig. 1 is a plan view of the front end face as a replaceable
- FIG. 2 is a plan view of the rear, rear end side of the drill bit according to FIG. 1, FIG.
- FIGS. 1 and 2 are a side view of the drill bit according to FIGS. 1 and 2,
- Fig. 4A, B, C are sectional views through the drill bit of Fig. 1 to 3 according to the
- FIG. 5 is a fragmentary perspective view of a modular
- the drill bit 2 according to FIGS. 1 to 3 is designed as an exchangeable module part, which can be inserted into a drill body 4, as shown in FIG. 5, and forms a drilling tool 5 with it.
- the drill bit 2 is integrally formed in the embodiment and has a special shaped base 6 on. It is thus formed by this base body 6.
- the drill tip 2 has an axis of rotation 8, which at the same time is the axis of rotation about which the entire drilling tool 5 rotates in the direction of rotation 10.
- the drill tip 2 has at its front end face a transverse cutting edge 12 which crosses the axis of rotation 8 and in each case merges into a main cutting edge 14A.B, which extend in the radial direction outwards and terminate at a cutting edge 16A, B.
- a respective secondary cutting edge 18A.B. runs along a drill back 17A, B.
- the cross-cutting edge 12 is formed in the embodiment in an approximately S-shaped and the main cutting edges 14A.B take an arcuate course.
- the main cutting edges 14A 1 B fall toward the cutting edge 16A, B in the axial direction, so that the end face of the drill tip 2 is designed to be conical overall.
- Each of the main cutting edges 14A.B is followed by a main relief surface 19A, B, which extends to a rear end 20A, B, where it then merges into a flute 22A.B.
- the flutes 22A, B are formed coiled in the embodiment.
- notches 24, which serve as engagement surfaces for an assembly tool for inserting or removing the drill bit tip 2 from the drill bit body 4 are worked into the main clearance surfaces 19A.
- the drill bit 2 has a stepped geometry and comprises a mounting pin 25 and additionally a centering pin 26 with respect to the mounting pin 25 reduced diameter.
- the flutes 22A, B are guided by a head portion having the front end face up into the fastening pin 25, so that this seen in cross section is circular with the flute 22A.B forming trough-like recesses formed.
- the mounting pin 25 At the bottom of the head part is a designated as a rear end surface 27, the mounting pin 25 radially projecting support surface formed.
- this rear end face 27 extends perpendicular to the axis of rotation 8. With this end face 27, the drill bit 2 lies in the installed state on a corresponding bearing surface of the drill bit body 4, as can be seen from FIG.
- the drill bit 2 which has an asymmetrical configuration in the region of its front end with respect to a rotation through 180 ° about the axis of rotation 8, wherein at the same time in the further course in the axial direction, the drill bit 2 has a symmetrical configuration.
- dashed lines are shown in Figs. 1, 2 and 4A to 4C.
- the two cutting corners 16A.B are arranged distributed unevenly over the circumference that their angular distance from each other therefore is different.
- the difference of the angular distance is here for example in the range of about 20 °, ie the angular distance between the two cutting corners 16A 1 B is on the one hand about 190 ° and on the other hand about 170 °.
- the flutes 22A.B are formed asymmetrically.
- the drill bit 2 has further asymmetry features.
- a guide bevel 28 extending on the drill back 17A 1 B, ie on the outer circumference of the base body 6, is provided adjacent to the respective secondary cutting edge 18A.B.
- a support bevel 30 is provided on the drill back 17A in addition to the guide bevel 28, this is not formed on the drill back 17B associated with the second main cutting edge 14B.
- the Stauerfase 30 has the same or almost the same outer diameter as theticiansfase 28.
- a clearance is formed instead of the support chamfer 30.
- a clearance is also formed between the guide chamfer 28 and the chamfer 30.
- the rearward ends 20A.B of the main relief surfaces 19A.B, particularly on the outer circumferential line, are rotationally symmetrical with each other so far that the rearward ends 20A.B are the same angular distance from each other exhibit.
- the opening angle of the two flutes 22A.B, ie the angular distance between the respective cutting edge 16A 1 B and the respective associated rearward arranged on the outer circumference end 20A.B is different.
- the asymmetry with respect to the position of the cutting corners 16A 1 B and the flutes 22A.B is returned in the transition region 32 to a symmetrical configuration.
- the transition region 32 is shown in Fig. 3 and extends in the axial direction from the respective cutting edge 16A 1 B to the rear end face 27.
- the length of this transition region 32 is in this case approximately in the range between 20 and 40% of the nominal diameter D of the drill bit 2 ( see Fig. 1).
- a symmetrical configuration is already reached at the end of the transitional region 32.
- the minor cutting edges 18A 1 B are already rotationally symmetrical (at 180 °) to each other again at this point.
- the cross-sectional geometry of the flutes 22A, B is symmetrical.
- the supporting chamfer 30, in contrast, remains - as can be seen in particular from FIG. 5 - up to the rear end face 27, ie, to the end of the drill bit tip 2.
- this is in particular the configuration of the flutes 22A 1 B and the angular spacing of the secondary cutting edges. the 18A 1 B to each other.
- a complete symmetry is formed.
- the support bevel 30 thus does not go over uniformly but abruptly into the drill body 4.
- the modular drilling tool 5 is shown in the assembled state.
- the drill bit 2 is clamped between two opposite, axially extending legs 34.
- the legs 34 have a contact surface 36, which is formed obliquely inclined.
- the leg 34 engages quasi in the respective main free surface 19 A, B, the drill bit 2 therefore does not cover the legs 34.
- the end face of the legs 34 therefore forms a continuation of the main flats 19A.B.
- the symmetrical configuration is already present at the end face of the drill bit tip 2 in the area of the rearward end 2OA, B of the main flank surfaces 19A.B.
- the drill body 4 is completely rotationally symmetrical.
- the secondary cutting edges 18A.B of the drill bit 2 preferably merge into corresponding secondary cutting edges 4OA (only one can be seen) of the drill body 4.
- the flutes 42A of the drill body are helically formed in the embodiment. Alternatively, they can also run straight.
- cooling channels 44 are incorporated into the drill body 4. These occur here within the respective flute 42A of the drill body 4 slightly spaced from the drill bit 2.
- the opening of the cooling channel 44 in the respective flute 42A is in this case oriented such that it - in an imaginary projection in the axial direction - partially, in particular half, of the associated main cutting edge 14A 1 B is covered.
- the outlet openings of the cooling channels 44 are therefore aligned with these main cutting edges 14A, B.
- the drilling tool 5 is used to produce high-precision boreholes with the best possible surface quality of the bore wall. Due to the asymmetry features a chatter-free drilling is achieved even in deep boreholes.
- the drill bit is for example made of hard metal or of a sintered material.
- the drill body 4 is made, for example, from a HSS steel.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011553302A JP5651607B2 (ja) | 2009-03-11 | 2010-02-12 | ドリルチップおよびドリルチップを有する穴あけ工具 |
CA2753802A CA2753802A1 (en) | 2009-03-11 | 2010-02-12 | Drill tip and drilling tool having a drill tip |
EP10706922A EP2406028A1 (de) | 2009-03-11 | 2010-02-12 | Bohrerspitze sowie bohrwerkzeug mit einer bohrerspitze |
BRPI1009334A BRPI1009334A2 (pt) | 2009-03-11 | 2010-02-12 | ponta de broca e ferramenta de broca com uma ponta de broca |
CN201080011094.2A CN102348523B (zh) | 2009-03-11 | 2010-02-12 | 钻尖以及具有钻尖的钻孔刀具 |
US13/255,752 US10086444B2 (en) | 2009-03-11 | 2010-02-12 | Drill tip and drilling tool having a drill tip |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009012725.9 | 2009-03-11 | ||
DE102009012725.9A DE102009012725B4 (de) | 2009-03-11 | 2009-03-11 | Bohrerspitze sowie Bohrwerkzeug mit einer Bohrerspitze |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010102705A1 true WO2010102705A1 (de) | 2010-09-16 |
Family
ID=42035830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/000877 WO2010102705A1 (de) | 2009-03-11 | 2010-02-12 | Bohrerspitze sowie bohrwerkzeug mit einer bohrerspitze |
Country Status (9)
Country | Link |
---|---|
US (1) | US10086444B2 (de) |
EP (1) | EP2406028A1 (de) |
JP (1) | JP5651607B2 (de) |
KR (1) | KR20110125268A (de) |
CN (1) | CN102348523B (de) |
BR (1) | BRPI1009334A2 (de) |
CA (1) | CA2753802A1 (de) |
DE (1) | DE102009012725B4 (de) |
WO (1) | WO2010102705A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200156163A1 (en) * | 2017-06-27 | 2020-05-21 | Hilti Aktiengesellschaft | Drill for Chiseling Stone |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010026271B4 (de) | 2010-07-06 | 2019-02-14 | Kennametal Inc. | Bohrwerkzeug |
DE102012200690B4 (de) * | 2012-01-18 | 2021-06-17 | Kennametal Inc. | Rotationswerkzeug sowie Schneidkopf für ein solches Rotationswerkzeug |
KR101406612B1 (ko) * | 2012-04-27 | 2014-06-11 | 한국야금 주식회사 | 인덱서블 드릴 인서트 |
WO2014103972A1 (ja) * | 2012-12-28 | 2014-07-03 | 京セラ株式会社 | ドリルおよびそれを用いた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 |
DE102013205889B3 (de) * | 2013-04-03 | 2014-05-28 | Kennametal Inc. | Kupplungsteil, insbesondere Schneidkopf für ein Rotationswerkzeug sowie ein derartiges Rotationswerkzeug |
DE102013206549A1 (de) * | 2013-04-12 | 2014-10-16 | Kennametal Inc. | Werkzeugkopf, insbesondere Bohrkopf |
WO2014175396A1 (ja) * | 2013-04-26 | 2014-10-30 | 京セラ株式会社 | ドリルおよびそれを用いた切削加工物の製造方法 |
DE102013209371B4 (de) | 2013-05-21 | 2021-04-29 | Kennametal Inc. | Kupplungsteil, insbesondere Schneidkopf für ein Rotationswerkzeug sowie hierzu komplementäres Kupplungsteil und Rotationswerkzeug |
DE102013220884B4 (de) * | 2013-10-15 | 2022-02-17 | Kennametal Inc. | Modulares Trägerwerkzeug sowie Werkzeugkopf |
KR101509954B1 (ko) * | 2013-10-29 | 2015-04-07 | 한국야금 주식회사 | 절삭 인서트 및 인덱서블 드릴 |
DE102014206796B4 (de) | 2014-04-08 | 2020-10-15 | Kennametal Inc. | Rotationswerkzeug, insbesondere Bohrer sowie Schneidkopf für ein solches Rotationswerkzeug |
KR101628220B1 (ko) * | 2014-04-17 | 2016-06-09 | (주)네오티스 | 비대칭 드릴 |
US10005136B2 (en) * | 2014-09-23 | 2018-06-26 | Iscar, Ltd. | Drill or drill head with burnishing margin |
DE102015211744B4 (de) | 2015-06-24 | 2023-07-20 | Kennametal Inc. | Rotationswerkzeug, insbesondere Bohrer, und Schneidkopf für ein solches Rotationswerkzeug |
USD798921S1 (en) | 2015-10-07 | 2017-10-03 | Kennametal Inc. | Cutting head for modular drill |
US9937567B2 (en) | 2015-10-07 | 2018-04-10 | Kennametal Inc. | Modular drill |
US10071430B2 (en) | 2015-10-07 | 2018-09-11 | Kennametal Inc. | Cutting head, rotary tool and support for the rotary tool and for the accommodation of the cutting head |
USD798922S1 (en) | 2015-10-07 | 2017-10-03 | Kennametal Inc. | Cutting head for rotary drill |
DE102016205657B4 (de) * | 2016-04-06 | 2021-06-10 | Gühring KG | Spanabhebendes werkzeug zum entgraten von bohrungen |
DE102016208228B4 (de) * | 2016-05-12 | 2022-08-04 | Kennametal Inc. | Bohrer |
JP6791985B2 (ja) * | 2016-12-26 | 2020-11-25 | 京セラ株式会社 | ドリル及びそれを用いた切削加工物の製造方法 |
US10195675B2 (en) * | 2017-03-02 | 2019-02-05 | Kennametal Inc. | Twist drill with unequal flute spacing and unequal relief angles |
DE102017205166B4 (de) | 2017-03-27 | 2021-12-09 | Kennametal Inc. | Modulares Rotationswerkzeug und modulares Werkzeugsystem |
CN107081457B (zh) * | 2017-06-29 | 2023-06-16 | 成都锋宜精密工具制造有限公司 | 高稳定性自定心钻头钻尖 |
EP3427876B1 (de) * | 2017-07-10 | 2022-06-22 | Sandvik Intellectual Property AB | Rotierender schneideinsatz und werkzeug mit axialem verriegelungselement |
DE102017212054B4 (de) | 2017-07-13 | 2019-02-21 | Kennametal Inc. | Verfahren zur Herstellung eines Schneidkopfes sowie Schneidkopf |
US10799958B2 (en) | 2017-08-21 | 2020-10-13 | Kennametal Inc. | Modular rotary cutting tool |
CN112077370A (zh) | 2019-06-13 | 2020-12-15 | 肯纳金属印度有限公司 | 可转位钻头刀片 |
DE102019211827B4 (de) | 2019-08-07 | 2023-10-19 | Kennametal Inc. | Bohrer und Verfahren zur Herstellung eines Bohrers |
CN113953565B (zh) * | 2021-11-11 | 2023-06-27 | 株洲钻石切削刀具股份有限公司 | 一种钻削加工刀具 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2396335A (en) * | 1943-07-10 | 1946-03-12 | Westinghouse Electric Corp | Art of drilling |
DE2655452A1 (de) * | 1976-12-07 | 1978-06-08 | Siemens Ag | Verfahren, geeignet zum bohren von kleinen durchgangsloechern, naemlich kontaktloechern in mehrlagigen, aus kunstharz gebildeten leiterplatten sowie bohrer zur ausuebung des verfahrens |
WO1997004908A1 (en) * | 1995-07-27 | 1997-02-13 | Mays Ralph C | Drill bit |
EP1837128A2 (de) | 2006-03-22 | 2007-09-26 | Nihon Project Co., Ltd. | Bohrer, Wandschutz und Bohrverfahren |
DE102006025294A1 (de) | 2006-05-31 | 2007-12-06 | Kennametal Inc. | Bohrwerkzeug |
EP1992437A1 (de) * | 2006-02-23 | 2008-11-19 | National University Corporation Tokyo University of Agriculture and Technology | Bohrer mit nicht achssymmetrischem blatt |
US20090110501A1 (en) * | 2007-10-30 | 2009-04-30 | Iscar, Ltd. | Cutting tool |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1221247A (en) * | 1915-11-27 | 1917-04-03 | Samuel W Traylor | Drilling, reaming, and centering machine. |
DE3706282A1 (de) * | 1986-02-28 | 1987-09-03 | Izumo Sangyo Kk | Umlaufendes schneidwerkzeug |
DE10207257B4 (de) * | 2002-02-21 | 2021-02-18 | Kennametal Inc. | Rundlaufschneidwerkzeug mit auswechselbarem Schneideinsatz |
US7168893B2 (en) | 2003-03-05 | 2007-01-30 | Mitsubishi Materials Corporation | Throw-away tipped drill, throw-away tip, and drill main body |
JP4272455B2 (ja) * | 2003-03-12 | 2009-06-03 | 京セラ株式会社 | スローアウェイ式回転切削工具 |
SE527653C2 (sv) * | 2004-05-05 | 2006-05-02 | Seco Tools Ab | Borr försedd med stödlister |
DE102007050050A1 (de) * | 2007-10-17 | 2009-04-23 | Kennametal Inc. | Rundlaufwerkzeug, insbesondere Bohrer |
DE102008045326B4 (de) * | 2008-08-21 | 2010-12-16 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG | Bohrer |
-
2009
- 2009-03-11 DE DE102009012725.9A patent/DE102009012725B4/de active Active
-
2010
- 2010-02-12 BR BRPI1009334A patent/BRPI1009334A2/pt not_active Application Discontinuation
- 2010-02-12 KR KR1020117023705A patent/KR20110125268A/ko not_active Application Discontinuation
- 2010-02-12 EP EP10706922A patent/EP2406028A1/de not_active Withdrawn
- 2010-02-12 CA CA2753802A patent/CA2753802A1/en not_active Abandoned
- 2010-02-12 WO PCT/EP2010/000877 patent/WO2010102705A1/de active Application Filing
- 2010-02-12 CN CN201080011094.2A patent/CN102348523B/zh active Active
- 2010-02-12 US US13/255,752 patent/US10086444B2/en active Active
- 2010-02-12 JP JP2011553302A patent/JP5651607B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2396335A (en) * | 1943-07-10 | 1946-03-12 | Westinghouse Electric Corp | Art of drilling |
DE2655452A1 (de) * | 1976-12-07 | 1978-06-08 | Siemens Ag | Verfahren, geeignet zum bohren von kleinen durchgangsloechern, naemlich kontaktloechern in mehrlagigen, aus kunstharz gebildeten leiterplatten sowie bohrer zur ausuebung des verfahrens |
WO1997004908A1 (en) * | 1995-07-27 | 1997-02-13 | Mays Ralph C | Drill bit |
EP1992437A1 (de) * | 2006-02-23 | 2008-11-19 | National University Corporation Tokyo University of Agriculture and Technology | Bohrer mit nicht achssymmetrischem blatt |
EP1837128A2 (de) | 2006-03-22 | 2007-09-26 | Nihon Project Co., Ltd. | Bohrer, Wandschutz und Bohrverfahren |
DE102006025294A1 (de) | 2006-05-31 | 2007-12-06 | Kennametal Inc. | Bohrwerkzeug |
US20090110501A1 (en) * | 2007-10-30 | 2009-04-30 | Iscar, Ltd. | Cutting tool |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200156163A1 (en) * | 2017-06-27 | 2020-05-21 | Hilti Aktiengesellschaft | Drill for Chiseling Stone |
US11691204B2 (en) * | 2017-06-27 | 2023-07-04 | Hilti Aktlengesellschaft | Drill for chiseling stone |
Also Published As
Publication number | Publication date |
---|---|
JP2012519602A (ja) | 2012-08-30 |
JP5651607B2 (ja) | 2015-01-14 |
DE102009012725A1 (de) | 2010-09-16 |
DE102009012725B4 (de) | 2020-10-15 |
US10086444B2 (en) | 2018-10-02 |
EP2406028A1 (de) | 2012-01-18 |
CN102348523A (zh) | 2012-02-08 |
US20110318128A1 (en) | 2011-12-29 |
KR20110125268A (ko) | 2011-11-18 |
BRPI1009334A2 (pt) | 2016-03-08 |
CA2753802A1 (en) | 2010-09-16 |
CN102348523B (zh) | 2014-04-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE102009012725B4 (de) | Bohrerspitze sowie Bohrwerkzeug mit einer Bohrerspitze | |
DE102012008472B4 (de) | Verbessertes Drehschneidwerkzeug mit PKD-Schneidspitze und Verfahren zum Ausbilden eines Schneidwerkzeugs | |
DE102010026271B4 (de) | Bohrwerkzeug | |
DE102011106416B4 (de) | Bohr-Reib-Werkzeug | |
EP1476269B1 (de) | Rundlaufschneidwerkzeug mit auswechselbarem schneideinsatz | |
EP2197613B1 (de) | Rundlaufwerkzeug, insbesondere bohrer | |
EP2830799B1 (de) | Bohrer | |
DE102014108219B4 (de) | Rotationswerkzeug sowie Verfahren zur Herstellung eines Rotationswerkzeugs | |
EP2318166B1 (de) | Werkzeug für spanende bearbeitung eines werkstücks | |
WO1991006387A1 (de) | Spiralbohrer | |
WO2005118191A1 (de) | Bohrer, insbesondere spiralbohrer | |
WO2008046520A1 (de) | Bohrerspitze für ein bohrwerkzeug | |
DE102014212714A1 (de) | Bohrerkopf | |
WO2008141709A1 (de) | Bohrwerkzeug sowie verfahren zum bohren | |
EP1699585B1 (de) | Mehrzweckbohrwerkzeug | |
DE69308823T2 (de) | Präzisionsspiralbohrer | |
DE102013202578B4 (de) | Verfahren zur Herstellung einer sich in Axialrichtung erstreckenden Werkzeugspitze sowie Werkzeugspitze | |
DE102017216393A1 (de) | Vierschneidiger bohrer | |
DE3325149A1 (de) | Zweischneidiges wendelbohrwerkzeug als kombiniertes zentrier-, bohr- und aufbohrwerkzeug | |
DE102013218321A1 (de) | Verfahren zur Herstellung eines Rundlaufwerkzeugs sowie Rundlaufwerkzeug | |
DE102015116624B4 (de) | Schaftfräser | |
WO2021078425A1 (de) | Tieflochbohrwerkzeug | |
DE102007002530B4 (de) | Forstnerbohrer | |
EP3956093A1 (de) | Bohrwerkzeug zum bohren und entgraten | |
DE112019006105T5 (de) | Bohrer und Einsatz für Bohrer mit verbesserter Zentrierfähigkeit und Schneidleistung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201080011094.2 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10706922 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2753802 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011553302 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13255752 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2010706922 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 20117023705 Country of ref document: KR Kind code of ref document: A |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: PI1009334 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: PI1009334 Country of ref document: BR Kind code of ref document: A2 Effective date: 20110831 |