EP1948399B1 - Werkzeug zur maschinellen bearbeitung von verbundmaterialteilen - Google Patents

Werkzeug zur maschinellen bearbeitung von verbundmaterialteilen Download PDF

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Publication number
EP1948399B1
EP1948399B1 EP06807497A EP06807497A EP1948399B1 EP 1948399 B1 EP1948399 B1 EP 1948399B1 EP 06807497 A EP06807497 A EP 06807497A EP 06807497 A EP06807497 A EP 06807497A EP 1948399 B1 EP1948399 B1 EP 1948399B1
Authority
EP
European Patent Office
Prior art keywords
tool
abrasive
tool according
diameter
machining
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.)
Not-in-force
Application number
EP06807497A
Other languages
English (en)
French (fr)
Other versions
EP1948399A1 (de
Inventor
Didier Le Borgne
Jean-Benoît CHALET
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Airbus Operations SAS
Original Assignee
Airbus Operations SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Airbus Operations SAS filed Critical Airbus Operations SAS
Publication of EP1948399A1 publication Critical patent/EP1948399A1/de
Application granted granted Critical
Publication of EP1948399B1 publication Critical patent/EP1948399B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/02—Wheels in one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/10—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor with cooling provisions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/18—Wheels of special form
    • 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
    • Y10T407/10—Cutters, for shaping including noncutting work modifying 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
    • Y10T407/00—Cutters, for shaping
    • Y10T407/27—Cutters, for shaping comprising tool of specific chemical composition

Definitions

  • the present invention relates to a tool for machining parts made of composite materials according to the preamble of claim 1, such tool being known from the document US-A-5,000,630 , for example.
  • the invention relates to a machine tool comprising such a tool.
  • machining is a critical process. It not only helps to achieve dimensional accuracy on the parts produced, but also enables complex parts to be obtained from materials that would otherwise be difficult to process.
  • the machining operation of a part is carried out directly on the finished dimension by means of a machining tool making one or more passes in the thickness of this part, the number of passes required being a function of this thickness.
  • the objective of the present invention is therefore to propose a tool for machining workpieces made of composite materials, simple in its design and in its economical operating mode, and making it possible to control the depth of pass of this tool so that it it is constant from one pass to another, while simultaneously performing the roughing and finishing of the clipping piece.
  • Another object of the present invention is to provide a machining tool capable of simultaneously performing roughing and finishing operations by direct diving in the material of the piece.
  • the invention relates to a tool for machining parts made of composite materials, this tool having a substantially cylindrical main body.
  • the main body comprises a polishing portion of diameter D 1 having a main axis and an abrasive portion of diameter D 2 with D 2 ⁇ D 1 , the abrasive portion being centered on this main axis.
  • the abrasive part has at its end at least one cutting element intended to allow dives of the tool in said parts, this cutting element of the abrasive part being an inverted truncated cone-shaped depression.
  • the invention also relates to a machine for machining composite material parts comprising at least one tool holder device for receiving a cutting tool.
  • this cutting tool is a tool as described above.
  • the Figure 1 shows a tool for machining workpiece composite materials according to a particular embodiment of the invention.
  • This tool has a substantially cylindrical main body.
  • This main body comprises firstly, a polishing portion 1 of diameter D 1 having a main axis 2 and secondly, an abrasive portion 3 of diameter D 2 with D 2 ⁇ D 1 .
  • the abrasive portion 3 is centered on this main axis 2 so that the difference between the diameters of the two parts (D 2 -D 1 ) / 2 defines the lateral grip in finishing of the tool.
  • the shoulder resulting from the difference in diameter between these two parts 1, 3 of the main body makes it possible to maintain a constant depth of penetration of the tool regardless of the thickness of the piece to be cut.
  • the polishing 1 and abrasive 3 parts can simultaneously perform roughing and finishing of this part without having to change tools on the machine to be machined.
  • the main body is monobloc. It is advantageously metallic, for example, steel.
  • the abrasive portion 3 of the main body has at its end 4 at least one cutting element 5 for allowing dives of the tool in the parts.
  • This cutting element 5 makes it possible to produce holes or cavities, for example, in parts made of composite materials.
  • the cutting element 5 is formed by an inverted truncated cone-shaped depression placed at the end 4 of the abrasive portion 3.
  • the Figure 2 shows a sectional view of such a tool plunging into the material of a workpiece 6. The tool moves from right to left in the dive direction indicated by the arrow 7. The tool has a cutting edge. cut 8 inside the abrasive part that works in the material.
  • the abrasive portion 3 comprises abrasive particles having a mean abrasive particle size of between about 300 ⁇ m and 1000 ⁇ m, and preferably between 400 ⁇ m and 850 ⁇ m.
  • abrasive particles are advantageously chosen from the group comprising cubic boron nitride, monocrystalline or polycrystalline diamond, carbide, and combinations of these elements.
  • the deposition of these particles can be achieved by electrolytic deposition, by brazed metal deposition or brazed polycristalline diamond deposition, or by the deposition of diamond layers by the Chemical Vapor Deposition (CVD) technique.
  • CVD Chemical Vapor Deposition
  • the polishing portion 1 of diameter D 2 comprises abrasive particles having a mean abrasive particle size of between about 100 ⁇ m and 600 ⁇ m, and preferably between 250 and 500 ⁇ m.
  • the abrasive particles for the polishing portion 1 may be selected from the group consisting of diamond, aluminum oxide, zirconium oxide and combinations thereof.
  • the deposition of these particles can be achieved by electrolytic diamond deposition.
  • the polishing portion 1 preferably comprises at least one continuous surface area or not, not shown, for gripping the tool by an operator to mount or remove the toolholder of a machining machine .
  • the tool also has a portion placed behind the main body of the tool, the shape of which allows the insertion of the tool on a tool holder.
  • This portion can be made in various ways, so that it can be mounted on all types of attachments known to those skilled in the art.
  • this portion comprises a cylindrical tail ground so that the tool can advantageously be mounted in attachments of type: SA, with clamp, or hooped.
  • the diameter D 1 of the polishing portion 1 is preferably between 10 and 32 mm to ⁇ 10%, the diameter D 2 of the abrasive portion 3 being smaller than the diameter D 1 .
  • the diameter D 2 is between 6 and 28 mm to ⁇ 10%.
  • the truncated cone 5 has a base 11 with a diameter of between 4 and 24 mm at ⁇ 10% and a top 12 with a diameter of between 2 and 20 mm. at ⁇ 10%. This geometry of the cutting element determines the maximum dive angle of the tool.
  • the tool may include a central duct 9 opening on the outer surface of the abrasive portion 3, which allows a watering of the tool by the center.
  • the conduit 9 opens at the end 4 of the abrasive portion 3 at the cutting element 5 to lubricate it.
  • the central duct 9 also has outlets 10 on the outer surface of the abrasive part 3.
  • the Figure 3 shows a tool for machining composite material part in another embodiment.
  • the structural elements of the Figure 3 bearing the same references as those of the Figure 1 represent the same objects.
  • the abrasive portion 3 of the main body has at its end 4 a cutting element 5 for allowing dives of the tool in the parts.
  • a portion 13 of the outer surface of the abrasive portion 3 is diamond.
  • the central duct 9 is connected to a set of adjoining watering channels 14-20 distributed over several levels and opening onto outlet openings 10. These auxiliary channels 14-20 are preferably distributed in the body of the abrasive portion 3 of so as to uniformly water the outer surface of the tool and in particular the diamond portion 13.
  • the diameter of the central duct 9 is greater than that of the subsidiary channels 14-20 so as to obtain a water pressure always sufficient and constant in the irrigation channels 14-20.
  • the end of the central duct 9 on the side of the polishing part 1 is advantageously connected to a system for supplying lubricating fluid under pressure. This pressure is preferably greater than 10 bar in order to ensure the flow of the lubricating fluid through the tool / tool assembly.
  • This watering by the center of the tool advantageously makes it possible to increase the service life of the tool by reducing the fouling observed in the devices of the prior art and the cutting speed of this tool for a machining quality. preserved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Turning (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Milling Processes (AREA)

Claims (13)

  1. Werkzeug für die Bearbeitung von Teilen aus Verbundstoffen, wobei das Werkzeug einen im Wesentlichen zylindrischen Hauptkörper besitzt, der umfasst:
    - einen Polierabschnitt (1) mit Durchmesser D1, der eine Hauptachse (2) besitzt,
    - einen Abriebabschnitt (3) mit Durchmesser D2, wobei D2 < D1 ist, wobei der Abriebabschnitt (3) auf die Hauptachse (2) zentriert ist,
    - wobei der Abriebabschnitt (3) an seinem Ende (4) wenigstens ein Schneidelement (5) aufweist, das dazu vorgesehen ist, dem Werkzeug ein Eindringen in die Teile zu ermöglichen,
    dadurch gekennzeichnet, dass
    das Schneidelement (5) des Abriebabschnitts (3) ein Hohlkörper in Form eines umgedrehten Kegelstumpfs ist.
  2. Werkzeug nach Anspruch 1, dadurch gekennzeichnet, dass es wenigstens einen Mittelkanal (9) aufweist, der in die äußere Oberfläche des Abriebabschnitts (3) mündet, um dessen Schmierung sicherzustellen.
  3. Werkzeug nach Anspruch 2, dadurch gekennzeichnet, dass der Mittelkanal (9) außerdem mit wenigstens einem Zusatzkanal (14-20), der in die äußere Oberfläche des Abriebabschnitts (3) mündet, in einer Fluidverbindung steht.
  4. Werkzeug nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Abriebabschnitt (3) Abriebpartikel aufweist, die eine mittlere Abriebpartikelgröße im Bereich von etwa 300 µm bis etwa 1000 µm haben.
  5. Werkzeug nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Abriebabschnitt (3) Abriebpartikel aufweist, die aus der Gruppe gewählt sind, die kubisches Bornitrid, polykristallinen Diamant, Kohlenstoff und Kombinationen dieser Elemente enthält.
  6. Werkzeug nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Polierabschnitt (1) Abriebpartikel enthält, die eine mittlere Abriebpartikelgröße im Bereich von etwa 100 µm bis 600 µm besitzen.
  7. Werkzeug nach Anspruch 6, dadurch gekennzeichnet, dass der Polierabschnitt (1) zwischen den Abriebpartikeln Leerräume aufweist.
  8. Werkzeug nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Polierabschnitt (1) Abriebpartikel aufweist, die aus der Gruppe gewählt sind, die Diamant, Aluminiumoxid, Zirkonoxid und Kombinationen dieser Elemente enthält.
  9. Werkzeug nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Polierabschnitt (1) wenigstens eine ununterbrochene oder unterbrochene Oberflächenzone aufweist, die das Greifen des Werkzeugs ermöglicht.
  10. Werkzeug nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass es einen Abschnitt aufweist, der hinter dem Hauptkörper angeordnet ist und dessen Form das Einstecken des Werkzeugs in einen Werkzeugträger ermöglicht.
  11. Werkzeug nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der Durchmesser D1 des Polierabschnitts (1) im Bereich von 10 bis 32 mm ±10 % liegt und der Durchmesser D2 des Abriebabschnitts (3) im Bereich von 6 bis 28 mm ±10 % liegt.
  12. Werkzeug nach den Ansprüchen 1 und 11, dadurch gekennzeichnet, dass der Kegelstumpf eine Basis (11) mit einem Durchmesser im Bereich von 4 bis 24 mm ±10 % und eine Oberseite (12) mit einem Durchmesser im Bereich von 2 bis 20 mm ±10 % aufweist.
  13. Maschine zum Bearbeiten von Teilen aus Verbundstoffen, die wenigstens eine Werkzeugträgervorrichtung umfasst, die dazu vorgesehen ist, ein Schneidwerkzeug aufzunehmen, dadurch gekennzeichnet, dass das Schneidwerkzeug ein Werkzeug nach einem der Ansprüche 1 bis 12 ist.
EP06807497A 2005-10-27 2006-10-24 Werkzeug zur maschinellen bearbeitung von verbundmaterialteilen Not-in-force EP1948399B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0553260A FR2892653B1 (fr) 2005-10-27 2005-10-27 Outil pour l'usinage de pieces en materiaux composites
PCT/EP2006/067699 WO2007048781A1 (fr) 2005-10-27 2006-10-24 Outil pour l'usinage de pièces en matériaux composites

Publications (2)

Publication Number Publication Date
EP1948399A1 EP1948399A1 (de) 2008-07-30
EP1948399B1 true EP1948399B1 (de) 2009-08-26

Family

ID=36647437

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06807497A Not-in-force EP1948399B1 (de) 2005-10-27 2006-10-24 Werkzeug zur maschinellen bearbeitung von verbundmaterialteilen

Country Status (11)

Country Link
US (1) US8202141B2 (de)
EP (1) EP1948399B1 (de)
JP (1) JP5143008B2 (de)
CN (1) CN101296781B (de)
AT (1) ATE440700T1 (de)
BR (1) BRPI0617533A2 (de)
CA (1) CA2625738C (de)
DE (1) DE602006008819D1 (de)
FR (1) FR2892653B1 (de)
RU (1) RU2420393C2 (de)
WO (1) WO2007048781A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100962166B1 (ko) * 2009-05-04 2010-06-10 주식회사 이노바이오써지 임플란트용 일체형 치조골절개 확장기
FR2975027B1 (fr) * 2011-05-10 2014-04-18 Snecma Outil de percage de trous dans une piece, notamment en materiau composite a matrice organique, procede de percage correspondant
CN102909664B (zh) * 2011-08-01 2015-08-19 舒能（苏州）工业技术有限公司 一种研磨装置及其制备方法
JP5936489B2 (ja) 2012-08-29 2016-06-22 三菱重工工作機械株式会社 砥石工具
FR2994871B1 (fr) * 2012-09-05 2015-05-01 Snecma Outil cylindrique de percage, notamment pour materiau composite a matrice organique, et procede de percage correspondant
CN103358236B (zh) * 2013-06-04 2016-05-25 广州晶体科技有限公司 一体化抛光磨轮
JP6209081B2 (ja) * 2013-12-25 2017-10-04 三菱重工工作機械株式会社 砥石工具
US9643260B2 (en) * 2014-01-22 2017-05-09 The Boeing Company Systems and methods for forming an opening in a stack
CN106002508A (zh) * 2016-06-29 2016-10-12 国营芜湖机械厂 一种用于复合材料加工的锥柄式钻磨成型刀具
CN106002507A (zh) * 2016-06-29 2016-10-12 国营芜湖机械厂 一种用于复合材料加工的螺纹式钻磨成型刀具

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5000630A (en) * 1989-01-17 1991-03-19 The Boeing Company Bit for forming holes in composite materials
US5137098A (en) * 1990-02-14 1992-08-11 Inland Diamond Products Company Diamond tool for drilling and routing
JP3335666B2 (ja) * 1992-05-22 2002-10-21 富士重工業株式会社 炭素繊維強化プラスチック積層板の端面切削方法
US5354155A (en) * 1993-11-23 1994-10-11 Storage Technology Corporation Drill and reamer for composite material
US6196908B1 (en) * 1999-07-16 2001-03-06 Storage Technology Corporation Drill for composite materials
JP2011218486A (ja) * 2010-04-09 2011-11-04 Mitsubishi Heavy Ind Ltd 仕上げ用加工工具

Also Published As

Publication number Publication date
EP1948399A1 (de) 2008-07-30
FR2892653A1 (fr) 2007-05-04
US20090221218A1 (en) 2009-09-03
CA2625738A1 (fr) 2007-05-03
RU2008120606A (ru) 2009-11-27
DE602006008819D1 (de) 2009-10-08
WO2007048781A1 (fr) 2007-05-03
JP2009513369A (ja) 2009-04-02
JP5143008B2 (ja) 2013-02-13
BRPI0617533A2 (pt) 2011-07-26
ATE440700T1 (de) 2009-09-15
CN101296781B (zh) 2011-03-30
RU2420393C2 (ru) 2011-06-10
FR2892653B1 (fr) 2009-04-10
CA2625738C (fr) 2013-11-26
US8202141B2 (en) 2012-06-19
CN101296781A (zh) 2008-10-29

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