EP0501022A2 - Outil de polissage ou découpage et procédé pour sa fabrication - Google Patents

Outil de polissage ou découpage et procédé pour sa fabrication Download PDF

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Publication number
EP0501022A2
EP0501022A2 EP91120605A EP91120605A EP0501022A2 EP 0501022 A2 EP0501022 A2 EP 0501022A2 EP 91120605 A EP91120605 A EP 91120605A EP 91120605 A EP91120605 A EP 91120605A EP 0501022 A2 EP0501022 A2 EP 0501022A2
Authority
EP
European Patent Office
Prior art keywords
intermediate layer
fibers
base body
grinding wheel
wheel according
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.)
Granted
Application number
EP91120605A
Other languages
German (de)
English (en)
Other versions
EP0501022A3 (en
EP0501022B1 (fr
Inventor
Felix Dipl.-Ing. Ferlemann
Josef Dipl.-Ing. Sauren
Theodor Dr.Dr.Rer.Mat. Von Benningsen-Mackiewicz
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Saint Gobain Diamantwerkzeuge GmbH and Co KG
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Ernst Winter and Sohn Diamantwekzeuge GmbH and Co
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV, Ernst Winter and Sohn Diamantwekzeuge GmbH and Co filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of EP0501022A2 publication Critical patent/EP0501022A2/fr
Publication of EP0501022A3 publication Critical patent/EP0501022A3/de
Application granted granted Critical
Publication of EP0501022B1 publication Critical patent/EP0501022B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
    • B24D3/28—Resins or natural or synthetic macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/12—Cut-off wheels

Definitions

  • the invention relates to a grinding or cutting tool with a fiber-reinforced base body with a plastic matrix and a covering made of hard material such as diamond or boron nitride grains, which are held in a bond.
  • Grinding tools and cutting tools such as saws generally consist of a covering that carries the active hard material and a base body on which the covering is applied.
  • the abrasive coating contains a binding agent for the hard materials, which can be a metal, a synthetic resin or ceramic.
  • the abrasive coating also contains various types of fillers, which also determine the application behavior of the diamond tool.
  • the basic bodies which do not contain hard materials, but serve only as a carrier of the hard material covering, either consist of metal such.
  • phenol, epoxy or polyamide resin it is also known to provide the synthetic resins with additives, such as metal powder, graphite powder or fibrous components such as carbon or glass fibers.
  • Both the abrasive coverings and the base body must meet high requirements with regard to strength, temperature, hydrolysis and chemical resistance. In addition, demands are placed on thermal conductivity and vibration damping behavior. These requirements can be met in part by using temperature-resistant thermosetting synthetic resins with additives made from metal powders or graphite.
  • the object of the invention is to establish the connection between to improve the abrasive coating and the fiber-reinforced base body of a high-speed tool compared to previously known solutions, in order to thereby prevent the risk of the abrasive coating breaking off from the base body.
  • the invention provides that between the covering and the base body an intermediate layer of metal, applied galvanically or electrolessly, is arranged, in which protrudes outward beyond the plastic and is anchored in the plastic electrically conductive fibers are embedded, because the mechanical properties, the arrangement, density and thickness of the connecting fibers can significantly improve the adhesive strength.
  • an abrasive coating can be glued to the galvanically or electrolessly applied intermediate layer, with better adhesion being achieved than if gluing takes place on the base body made of plastic.
  • the metallic intermediate layer has a particularly advantageous effect if an abrasive coating is applied galvanically, in which the hard grains of diamond or boron nitride are bound with the aid of the electric current in a metal matrix, preferably made of nickel or copper.
  • Electroless metal deposition of nickel or copper can be carried out in an aqueous solution which consists of nickel or copper salts and contains a reducing agent such as e.g. B. hypophosphite, which is ultimately a chemical, electroless plating.
  • a reducing agent such as e.g. B. hypophosphite
  • the electrically conductive fibers to be used for the connection can consist of metal such as steel or aluminum or copper.
  • electrically conductive carbon fibers which can be exposed by resetting the plastic matrix of the base body, are particularly suitable. This can be done by etching, preferably using an acid such as sulfuric acid, it being advisable to set back the plastic matrix of the base body with respect to the tips of the fibers in an order of magnitude of 20 to 300 ⁇ m.
  • the space released in this way is galvanically metallized when the intermediate layer is formed, the temporarily exposed fiber sections being effective in the manner of an anchoring.
  • the fibers can be arranged in different orientations, preferably using them of fiber fabrics or fiber mats that are embedded next to each other in the plastic.
  • pre-impregnated fabrics can be arranged in layers, which are heated together with the plastic of the base body, after which they are impregnated with the plastic and pressed together with it.
  • a larger disk can be produced, from which a plurality of small base bodies can then be obtained.
  • the peripheral grinding wheel shown in the drawing 1 consists of a carbon fiber reinforced base body 3 made of plastic, which carries diamond grains 5.
  • the diamond grains 5 are held in a metallic bond, which consists, for example, of nickel or copper and is supported by an intermediate layer 9, which is galvanically applied to the base body 3.
  • the base body 3 which consists of an epoxy polyamide or a phenolic resin, there are fabric mats 11, 13 and 15 embedded from electrically conductive carbon fibers.
  • the fibers of the different fabric mats are oriented differently from one another, that is to say the fibers of the mat 11 are, for example, differently oriented from the fibers of the mat 13 and the fibers of the mat 15.
  • an intermediate layer 9 which is galvanically deposited on the base body 3 and into which fiber sections projecting freely from the base body 3 extend.
  • the plastic matrix of the base body 3 is set back by an amount of, for example, up to 300 ⁇ m relative to the fiber end sections by etching, for example using a sulfuric acid.
  • the galvanically deposited intermediate layer 9 extends into this free space between the exposed fiber end sections and the recessed plastic matrix of the base body 3, which is due to the enlarged Adhesive surface is intimately connected to the base body and is suitable for receiving the coating of grains 5 and bond 7.
  • the coating can be applied galvanically to the intermediate carrier 9. Basically, however, there is also the possibility after the application of the intermediate layer 9 to process its outside in order to subsequently glue or press on a covering made of another material. In all cases there is the advantage that the adhesion between the covering and the base body 3 made of plastic is greater through the intermediate layer than when the covering is connected directly to the base body made of fiber-reinforced plastic.
  • FIG. 3 shows a microscopic illustration in a magnification of several hundred times, shows that the individual fibers in the different fabric mats 11, 13 and 15 are each of the same type but are oriented differently to one another and that the fabric mats are saturated with plastic 17.
  • the plastic matrix is reset in relation to the outer fiber sections 19 by etching to the extent that a plastic outer side 21 is formed, over which the individual fibers 19 of the various fiber mats are exposed.
  • the resultant initially free space is filled by a galvanic deposit of the intermediate layer 9 Nickel can also consist of cobalt or another metal, for example. This presupposes an electrical conductivity of the individual fibers of the fabric mats, which preferably consist of carbon, that is to say are designed as carbon fibers, and therefore also withstand high mechanical loads.
  • FIG. 4 shows a microscopic representation of that section of the intermediate layer into which the individual fibers 19 of the base body 3 extend. After a small part of an intermediate layer has been detached from the base body, it can be seen microscopically that tubular structures or channels 23 have formed in the intermediate layer 9, which are formed by fibers 19 of the base body 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP91120605A 1991-02-26 1991-11-29 Outil de polissage ou découpage et procédé pour sa fabrication Expired - Lifetime EP0501022B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4106005 1991-02-26
DE4106005A DE4106005A1 (de) 1991-02-26 1991-02-26 Schleif- oder trennwerkzeug und verfahren seiner herstellung

Publications (3)

Publication Number Publication Date
EP0501022A2 true EP0501022A2 (fr) 1992-09-02
EP0501022A3 EP0501022A3 (en) 1992-12-02
EP0501022B1 EP0501022B1 (fr) 1995-01-25

Family

ID=6425913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91120605A Expired - Lifetime EP0501022B1 (fr) 1991-02-26 1991-11-29 Outil de polissage ou découpage et procédé pour sa fabrication

Country Status (4)

Country Link
US (1) US5221293A (fr)
EP (1) EP0501022B1 (fr)
DE (2) DE4106005A1 (fr)
ES (1) ES2069181T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10309021A1 (de) * 2003-02-21 2004-09-09 Schmirgelwerk Chemnitz Gmbh Schleifkörper
WO2007033396A1 (fr) * 2005-09-26 2007-03-29 Norbert Asen Corps support pour outil de meulage ou de coupe rotatif, et outil de meulage ou de coupe ainsi produit

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19703202A1 (de) * 1997-01-30 1998-08-06 Deutsch Zentr Luft & Raumfahrt Werkzeug zur spanabhebenden Bearbeitung von Werkstücken
US6447561B1 (en) * 1998-09-14 2002-09-10 Winter Cvd Technik Gmbh Abrasive body
US6471733B1 (en) * 2000-09-26 2002-10-29 Alex Cooper Polishing wheel
JP4538587B2 (ja) * 2004-04-19 2010-09-08 独立行政法人産業技術総合研究所 積層体及びその製造方法並びに該積層体を備えた光デバイス、光学ガラス、腕時計、電子回路基板、研磨用工具
DE102009055428B4 (de) * 2009-12-30 2013-04-11 Dronco Ag Schrupp- und /oder Trennscheibe
AT521162B1 (de) * 2018-06-07 2019-11-15 Tyrolit Schleifmittelwerke Swarovski Kg Trägerkörper für ein Schleifwerkzeug

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3435595A1 (de) * 1983-09-30 1985-04-18 Kabushiki Kaisha Komatsu Seisakusho, Tokio/Tokyo Verfahren zur herstellung von schleifsteinen
EP0280657A2 (fr) * 1987-02-27 1988-08-31 Abrasive Technology N.A., Inc. Abrasifs flexibles
DE3915810A1 (de) * 1988-06-07 1989-12-14 Diamant Werkzeuge Gmbh Hameln Flexibler schleifkoerper

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7240816U (de) * 1972-11-07 1973-03-15 Winter E & Sohn Kreissägeblatt mit einem ringförmigen Diamantschleifbelag
US4021209A (en) * 1975-07-23 1977-05-03 Federal-Mogul Corporation Aramid fiber reinforced abrasive wheel
DE2740891C3 (de) * 1977-09-10 1980-11-13 Ernst 8909 Niederraunau Spielvogel Umfangsschleifscheibe
DE3236045C2 (de) * 1982-09-29 1986-10-16 Willy Bärhausen GmbH & Co KG, 6420 Lauterbach Steinbearbeitungswerkzeug
DE3404871A1 (de) * 1983-02-14 1984-08-23 Rands, Mary, Los Angeles, Calif. Schleif-, hon- oder abreibkoerper
DE3413598A1 (de) * 1984-04-11 1985-10-24 Reich Spezialmaschinen GmbH, 7440 Nürtingen Verfahren zur herstellung einer profilschleifscheibe
DE3530974C1 (en) * 1985-08-30 1987-03-05 Wernicke & Co Gmbh Grinding wheel for machining the edges of spectacle glasses, and a process for producing it
DE3706867A1 (de) * 1987-03-04 1988-09-15 Winter & Sohn Ernst Schneidsegment fuer eine saege zur steinbearbeitung
DE3742285A1 (de) * 1987-12-12 1989-06-22 Lvt Loet Und Verschleisstechni Hartmetallsplitt aufweisendes saegeblatt
DE8803413U1 (de) * 1988-03-14 1989-07-13 Norddeutsche Schleifmittel-Industrie Christiansen & Co (GmbH & Co), 2000 Hamburg Flexibles Schleifwerkzeug
DE3904703A1 (de) * 1989-02-16 1990-08-23 Messerschmitt Boelkow Blohm Kreissaegeblatt
EP0433692A3 (en) * 1989-11-23 1992-01-02 Toyoda Koki Kabushiki Kaisha Segmentee grinding wheel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3435595A1 (de) * 1983-09-30 1985-04-18 Kabushiki Kaisha Komatsu Seisakusho, Tokio/Tokyo Verfahren zur herstellung von schleifsteinen
EP0280657A2 (fr) * 1987-02-27 1988-08-31 Abrasive Technology N.A., Inc. Abrasifs flexibles
DE3915810A1 (de) * 1988-06-07 1989-12-14 Diamant Werkzeuge Gmbh Hameln Flexibler schleifkoerper

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10309021A1 (de) * 2003-02-21 2004-09-09 Schmirgelwerk Chemnitz Gmbh Schleifkörper
DE10309021B4 (de) * 2003-02-21 2005-02-24 Schmirgelwerk Chemnitz Gmbh Schleifkörper
WO2007033396A1 (fr) * 2005-09-26 2007-03-29 Norbert Asen Corps support pour outil de meulage ou de coupe rotatif, et outil de meulage ou de coupe ainsi produit
US8636563B2 (en) 2005-09-26 2014-01-28 Norbert Asen Base for a rotating grinding or cutting tool, and grinding or cutting tool produced therefrom

Also Published As

Publication number Publication date
EP0501022A3 (en) 1992-12-02
US5221293A (en) 1993-06-22
DE4106005A1 (de) 1992-08-27
DE59104419D1 (de) 1995-03-09
EP0501022B1 (fr) 1995-01-25
ES2069181T3 (es) 1995-05-01

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