EP1837123B1 - Outil destiné au traitement de surfaces et son procédé de fabrication - Google Patents

Outil destiné au traitement de surfaces et son procédé de fabrication Download PDF

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Publication number
EP1837123B1
EP1837123B1 EP06127136A EP06127136A EP1837123B1 EP 1837123 B1 EP1837123 B1 EP 1837123B1 EP 06127136 A EP06127136 A EP 06127136A EP 06127136 A EP06127136 A EP 06127136A EP 1837123 B1 EP1837123 B1 EP 1837123B1
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EP
European Patent Office
Prior art keywords
machining
tool
spindle
needles
wheel
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
EP06127136A
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German (de)
English (en)
Other versions
EP1837123A1 (fr
Inventor
Michael Schulze
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.)
DR MUELLER DIAMANTMETALL AG
Original Assignee
Dr Mueller Diamantmetall AG
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
Priority claimed from DE102006012926A external-priority patent/DE102006012926A1/de
Priority claimed from DE200610039768 external-priority patent/DE102006039768A1/de
Application filed by Dr Mueller Diamantmetall AG filed Critical Dr Mueller Diamantmetall AG
Publication of EP1837123A1 publication Critical patent/EP1837123A1/fr
Application granted granted Critical
Publication of EP1837123B1 publication Critical patent/EP1837123B1/fr
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
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • 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
    • B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/12—Dressing tools; Holders therefor
    • B24B53/14—Dressing tools equipped with rotary rollers or cutters; Holders therefor

Definitions

  • the following invention relates to a tool for machining surfaces and a method of manufacturing such a tool.
  • Tools for machining surfaces are known in the art and are used, among other things, for dressing workpieces in which, in particular, fine machining of the surface takes place with a tool.
  • the rotating dressing tool the u. a. having a defined working surface, passed over the body to be machined to machine the workpiece according to the specifications and tolerances.
  • such a tool essentially serves as the machining surface, which removes material from the workpiece as the surface of the tool occupied by the abrasive bodies, and this can be done both with the circumference and with the side surfaces of the tool.
  • a disadvantage of such tools of the prior art is that the production of such a tool is very expensive. This is partly due to the fact that the tools must be adapted individually to the surface structure and shape to be machined. Furthermore, it is difficult to provide very fine machining tools, since with the known in the prior art manufacturing process only tools, especially machining discs, are provided, their stability and thus their precision is limited by the material thickness in the outer region of the machining disk and their capabilities.
  • molded rolls in particular for the treatment of surfaces
  • the diamond grinding wheels are arranged between two support disks, and which each have a ring and a conical disk portion and comprise mounting or receiving socket.
  • the individual components of the dressing roller are clamped by screws against each other, which are passed through holes which are preformed, inter alia, in the support disks.
  • the diamonds are mechanically gripped in the diamond grinding discs.
  • the object of the present invention is therefore to provide a machining tool and a method for its production which at least partially overcomes or improves the disadvantages known in the prior art and in particular the quality with respect to the dimensional accuracy of corresponding tools for use for machining surfaces at least partially elevated.
  • the tool according to the invention according to claim 1 for machining surfaces has at least one receiving device and at least one circular machining disk for machining surfaces.
  • the receiving device preferably comprises at least one spindle with a plug connection, on which preferably at least one or a multiplicity of machining disks are received axially. With a Fixierflansch the processing discs are completed laterally and on the receiving device fixed
  • the machining disk also has a central opening, which receives the connector. It preferably consists of a base material selected from a group including sintered materials, metallic bronze compounds, plastics such as phenolic resin compounds, ceramics, and combinations thereof.
  • the machining disk has, at least in sections, grinding wheels on the circumference, which preferably determine the machining surface and are adhesively bonded to the base material.
  • the tool according to the invention is characterized in that the spindle with the machining disk and the machining disk with the Fixierflansch and the receiving device is materially connected, wherein the cohesive connection is made by means of plastic adhesives and / or solder.
  • the tool according to the invention has a uniform mass distribution with respect to its axis of rotation.
  • the central opening for receiving the connector may be both circular, as well as polygonal or have other corresponding shapes, in particular to provide a sufficient base connection between the receiving device and the machining disk.
  • the circular opening of the machining disk and the corresponding circular embodiment of the connector are preferred.
  • the tool comprises a plurality of machining disks of a base material selected from a group comprising sintered materials, metallic bronze compounds, plastics such as phenolic resin compounds, ceramics and combinations thereof.
  • the machining discs are materially connected to form a stack, wherein the cohesive connection is made by means of plastic adhesives and / or solder.
  • the processing discs are received axially on the receiving device.
  • the machining disks can have different thicknesses and are preferably connected to one another in a material-bonded manner.
  • the cohesive connection of the machining disks can be carried out both before assembly of the processing disks with the receiving device and after assembly or with the assembly of the receiving device.
  • the processing disks have different processing surfaces, wherein, for example, the outer processing disk at the outwardly directed processing surface at least partially abrasive and have the middle processing discs preferably in the region of the circumference corresponding abrasive body for processing the surfaces. This can be adapted in particular to the corresponding requirements for the machining of a workpiece.
  • composition of different processing disks to a stack of processing disks, which are accommodated on a receiving device has the particular advantage that the properties of the processing disk for processing surfaces can be influenced differently and by the combination of the processing disks together an additional stability in terms of "Sandwich construction" can be achieved.
  • abrasive bodies used for machining the surface and preferably forming the machining surfaces are selected from a group including, in particular, diamond needles such as PCD, MKD, CVD, CBN needles.
  • the processing surface on the finished tool on a predetermined outer profile, which is used for shaping processing of the workpiece surface.
  • the grinding wheels for the tool which form the working surface, are connected substantially in a materially bonded manner to the machining disk. This can be done, for example, by fixing the abrasive bodies with a metallic or a plastic connection on the machining disk or, in accordance with a further particularly preferred embodiment, during the production of the machining disk, already being adhesively bonded thereto.
  • the machining disk in the axial direction on different material layers and types of material which are particularly matched in the manner that by the combination of different material densities, both the necessary strength properties of the machining disk and in particular with regard to the processing of Surfaces and the resulting heat is provided a compensatory removal of heat from the workpiece on the processing disk and the receiving device.
  • the composition of different processing disks into a package can also provide cavities, in particular in the radial direction, which can be used, for example, for transporting cooling media for processing in corresponding machines.
  • the invention also relates to a method according to claim 12 for producing a tool with at least one machining disk and a receiving device, which has at least one spindle and a fixing flange.
  • the method comprises producing at least one processing disk, in particular by compacting and solidifying at least one abrasive-containing base material selected from a group comprising sintered materials, metallic bronze compounds, plastics such as Phenol resin compounds, ceramics, combinations thereof, and the like.
  • this is assembled and aligned with the spindle of the receiving device. This can be done preferably warm, in particular, the spindle is wetted with a first bonding material to produce a material connection of the receiving device with the machining disk.
  • the fixing flange of the receiving device which is wetted with a second bonding material, is placed on the spindle in such a way that the machining disk is mounted between the spindle and the fixing flange.
  • the two bonding materials are cured, and this can be done in particular by the cooling of the tool.
  • the tool and in particular the machining disk is subjected to a shaping treatment, in particular, this is done only after complete curing of the connecting material
  • a multiplicity of machining disks are produced, which are each preferably wetted with at least one third bonding material and are thereby connected to one another in a materially bonded manner.
  • the assembly of the processing discs can be carried out both before assembling the receiving device and when assembling the receiving device with the processing discs and the Fixierflansch.
  • uniform bonding materials may be used to particularly provide a uniform curing process.
  • the connecting materials are selected from a group of materials, in particular solder with a predetermined melting temperature, plastic adhesives, in particular resins, metallic adhesives, combinations thereof and the like
  • plastic adhesives in particular resins, metallic adhesives, combinations thereof and the like
  • metallic adhesives combinations thereof and the like
  • Lötzinn used whose melting temperature between about 100 ° C and 350 ° C, in particular between 240 ° C and 300 ° C or more preferably at about 270 ° C or about 140 ° C.
  • the sintered material is a bronze compound which has a predetermined particle distribution in the unsintered state.
  • the abrasive bodies used to form the working surface are selected in accordance with the present invention from a group of abrasives containing diamond needles such as e.g. PCD, MKD, CVD, CBN needles.
  • a group of abrasives containing diamond needles such as e.g. PCD, MKD, CVD, CBN needles.
  • the tool is held at least axially during the curing of the connecting material or is axially clamped. This will u. a. ensures that the components of the tool are held or fixed in a predetermined position during the connection process.
  • the grinding bodies or the working surfaces of the machining disks are profiled after the curing of the connecting material.
  • profiling is a processing of the processing surfaces understood, which then allows a defined processing of the surfaces of a workpiece.
  • the receiving device in the field of Machining disc revised after curing by a machining process in particular, the transition between the receiving device to the free area of the machining wheels is processed so that in particular even fine machining surfaces of the machining disk can be exposed.
  • the machining of the tool and in particular of the machining disks takes place in such a way that both the tool achieves a predetermined concentricity value in the axial as well as in the radial direction.
  • Fig. 1 Fig. 3 is a cross-sectional view of a first embodiment of a surface working tool according to the present invention.
  • the tool 1 comprises a receiving device, which is composed of a spindle 2 and a fixing flange 3.
  • the spindle has an axial opening 7, which serves for receiving in a corresponding machine tool.
  • a machining disk 4 between the oblique Sections 8 of the spindle and the fixing flange 3 introduced.
  • the machining disk 4 consists of a base body 6 and, according to the embodiment shown here, a rectangular machining surface 5, which essentially consists of a carrier material and the grinding bodies fixed thereto or here.
  • the processing surface 5 according to the embodiment shown here has a rectangular cross-section, whereby it is of course also within the meaning of the present invention that this area is adapted according to the surface structure of the workpiece to be machined and in particular rounded or tapered or the like can be performed.
  • the tool 1 of in Fig. 1 is made of a material that is particularly metal such as 11SMn30 steel, St37, C15, bronze, bronze alloys, aluminum, stainless steel, plastic, ceramic, composite, combinations thereof, or the like.
  • Fig. 2 shows a machining disk according to a preferred embodiment, in which the opening 10 can be seen, which serves to push the disk onto the spindle 2. Furthermore, the main body 6 of the machining disk and, according to the embodiment shown here, to recognize the working surface, wherein on the outer periphery diamond needles are used. Such diamond needles are preferably already bonded cohesively to the base material during sintering of the machining disk and processed after assembly with the receiving device to in particular to provide a profile in the machining area that corresponds to the desired shapes for machining a workpiece.
  • Fig. 3 is a side view of the machining disk Fig. 2 in an enlarged view, wherein substantially the base material of the machining disk and the aperture 10 can be seen.
  • Fig. 4 is a schematic sectional view of another particularly preferred embodiment of the present invention in an exploded view, in which instead of a single processing disc, for example, three processing discs 4a, 4b, 4c are placed on the spindle 2. In this case, they are made according to the embodiment shown above Fig. 1 also completed by means of a Fixierflansches 3 on the right side.
  • the processing discs 4a, 4b and 4c are separated from each other prior to assembly on the receiving device and are wetted, for example, with solder before assembly and then mounted on the spindle, aligned and closed by the fixing flange 3 right-justified.
  • solder it is within the meaning of the present invention that a temperature is selected for fixing the machining disks with each other and for fixing the machining disks with the receiving device, in which a uniform distribution of the liquid solder is ensured especially in combination with flux and at the fixed or clamped during the curing process, in particular the outer regions of the spindle and the Fixierflansches (arrows F) to ensure a defined position of the processing discs to each other and to the receiving device.
  • the processing discs are present as a raw form prior to assembly and are brought into a desired shape only after the curing of the bonding agent.
  • This also applies in particular to the oblique region 8 of the spindle 2 (angle ⁇ between 5 ° and 35 °, preferably at about 15 °), and the oblique region of the Fixierflansches 3, wherein
  • the still unprocessed working surfaces of the machining disks are also profiled in or after this process, ie obtained a predetermined shape. This can be done for example by grinding by means of Diamarttusionn.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Turning (AREA)

Claims (19)

  1. Outillage (1) pour l'usinage d'une surface d'une pièce avec au moins un dispositif de montage (8) et au moins un disque d'usinage de forme annulaire (4) pour l'usinage des surfaces,
    où le dispositif de montage (8) comporte au moins une broche (2) avec un connecteur à fiche sur lequel est rapportée une bride de fixation (3), et l'au moins un disque d'usinage (4) est reçue axialement entre le dispositif de montage (8) et la bride de fixation (3), et
    où le disque d'usinage (4) comporte un perçage central (10) qui reçoit le connecteur à fiche, et qui est composé d'un matériau de base, choisi dans un groupe, comportant des matériaux frittés, des composés de bronze métallique, des matières synthétiques, tels que composés en résine phénolique, des céramiques et combinaisons de ceux-ci, et comportant une surface d'usinage (5) disposée sur son pourtour, et au moins des portions de celle-ci sont fournies avec des corps abrasifs
    où les corps abrasifs sont fixés par liaison de matière avec le matériau de base,
    caractérisé, en ce que
    la broche (2) est fixée par liaison de matière avec le disque d'usinage (4) et la bride de fixation (3), de même que le disque de usinage (4) est fixe par liaison de matière avec la bride de fixation (3) et le dispositif de montage (8), et
    où la liaison de matière est fabriquée à base de colles synthétiques et/ou d'étain à souder, et
    l'outillage (1) présente une répartition des masses régulière relativement à son axe de rotation.
  2. Outillage selon la revendication 1, caractérisé en ce que plusieurs disques d'usinage (4a, 4b, 4c) sont reçus axialement entre le dispositif de montage (8) et la bride de fixation (3), et
    les disques d'usinage (4a, 4b, 4c) sont composés d'un matériau de base, choisi dans un groupe, comportant des matériaux frittés, des composés de bronze métallique, des matières synthétiques tels que composés en résine phénolique, des céramiques et combinaisons de ceux-ci, et
    les disques d'usinage (4a, 4b, 4c) sont liés empilés ensemble par liaison de matière et
    où la liaison par matière est fabriquée à base de colles synthétiques et/ou d'étain à souder.
  3. Outillage selon la revendication 2, caractérisée en ce que
    Les disques d'usinage (4a, 4b, 4c) présentent différentes épaisseurs.
  4. Outillage selon une des revendications 2 ou 3, caractérisée en ce que
    Les disques d'usinage (4a, 4b, 4c) fixés ensemble, présentent des surfaces d'usinage qui s'articulent à la périphérie extérieure et/ou sur la partie latérale du disque.
  5. Outillage selon une des revendication précédentes, caractérisée en ce que
    Le corps abrasif est choisi dans un groupe comportant des aiguilles de diamant comme par ex. des particules de PKD-, MKD-, CVD-, CBN et équivalents.
  6. Outillage selon une des revendications précédentes, caractérisée en ce que
    La surface d'usinage (5) présente un profil extérieur déterminé.
  7. Outillage selon une des revendications précédentes, caractérisée en ce que
    Le disque d'usinage (4) ou les disques d'usinage (4a, 4b, 4c) présentent dans le sens axial différentes couches de matériaux.
  8. Méthode de fabrication d'un outillage (1) selon une des revendications 1 à 7 avec les étapes :
    - Fabrication d'au moins un disque d'usinage (4) en compactant et solidifiant au moins un matériau de base comportant un corps abrasif, où le matériau de base est choisi dans un groupe comportant des matériaux frittés, des composés de bronze métallique, des matières synthétiques tels que composés en résine phénolique, des céramiques et combinaisons de ceux-ci ;
    - Assemblage et ajustage de la broche (2) avec au moins un disque d'usinage (4), où la broche (2) est enduite d'un premier matériau de liaison ;
    - Montage de la bride de fixation (3) sur le fuseau (2) de façon à ce que le disque de usinage (4) soit disposé entre le fuseau (2) et la bride de fixation (3), où la bride de fixation est enduite d'un deuxième matériau de liaison ;
    - Durcissement du premier et deuxième matériau de liaison ;
    - Usinage de l'outillage, en particulier du disque d'usinage (4) après durcissement du matériau de liaison.
  9. Procédé selon revendication 8, caractérisée en ce que
    Une majorité de disques d'usinage (4a, 4b, 4c) sont fabriqués en compactant et solidifiant au moins un matériau de base comportant un corps abrasif, où le matériau de base est choisi dans un groupe comportant des matériaux frittés, des composés de bronze métallique, des matières synthétiques tels que composés en résine phénolique, des céramiques et combinaisons de ceux-ci ; et
    La majorité de disques d'usinage (4a, 4b, 4c) sont montés lors de l'assemblage et de l'ajustage sur la broche (2), alors que les disques d'usinage (4a, 4b, 4c) sont enduits d'un troisième matériau de liaison.
  10. Procédé selon revendication 8 ou 9, caractérisée en ce que
    Le premier et/ou le deuxième et/ou le troisième matériau de liaison est choisi dans un groupe de matériaux, qui comporte la soudure, en particulier de l'étain à souder avec une température de fusion prédéterminée, des adhésifs synthétiques, en particulier des résines, des adhésifs métalliques et des combinaisons de ceux-ci et identique.
  11. Procédé selon revendication 10, caractérisée en ce que
    L'étain à souder présente une température de fusion entre 100°C et 350°C, en particulier entre 240°C et 300°C, ou de préférence autour d'environ 270°C ou environ 140°C.
  12. Procédé selon revendications 10 ou 11, caractérisée en ce que
    Une répartition régulière de l'étain à souder liquide se fasse.
  13. Procédé selon revendications 8 à 12, caractérisée en ce que
    le matériau fritté est une composition de bronze, qui dans son état non fritté, comporte une quantité de particules prédéterminée.
  14. Procédé selon revendications 8 à 13, caractérisée en ce que
    Les corps abrasifs sont choisis dans un groupe qui comporte des aiguilles de diamant comme par ex. des particules PKD-, MKD-, CVD-, CBN et équivalents.
  15. Procédé selon revendications 8 à 14, caractérisée en ce que
    L'assemblage et l'ajustage de la broche (2) avec le disque d'usinage (4) ou les disques d'usinage (4a, 4b, 4c) et le montage de la bride de fixation (3) sur la broche (2) se fasse à chaud, et
    Le durcissement du premier, deuxième et troisième matériau de liaison se fasse par le refroidissement de outillage (1).
  16. Procédé selon une des revendications 8 à 15, caractérisée en ce que
    L'outillage (1) soit maintenu ou fixé axialement pendant le durcissement du matériau de liaison.
  17. Procédé selon une des revendication 8 à 16, caractérisée en ce que
    Les corps abrasifs soient profilés après durcissement de l'outillage
  18. Procédé selon une des revendications 8 à 17, caractérisée en ce que
    Le dispositif de montage (8) dans la zone du disque d'usinage (4) soit retraité par un processus d'usinage par enlèvement de copeaux.
  19. Procédé selon une des revendications 8 à 18, caractérisée en ce que
    L'usinage de l'outillage (1) et en particulier du disque d'usinage, soit fait de façon à ce que l'outillage maintienne une valeur de rotation prédéterminée aussi bien en direction axiale que radiale.
EP06127136A 2006-03-21 2006-12-22 Outil destiné au traitement de surfaces et son procédé de fabrication Not-in-force EP1837123B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006012926A DE102006012926A1 (de) 2006-03-21 2006-03-21 Werkzeug zum Bearbeiten von Oberflächen und Verfahren zur Herstellung eines solchen Werkzeugs
DE200610039768 DE102006039768A1 (de) 2006-08-24 2006-08-24 Verfahren zur Herstellung einer Formrolle

Publications (2)

Publication Number Publication Date
EP1837123A1 EP1837123A1 (fr) 2007-09-26
EP1837123B1 true EP1837123B1 (fr) 2010-08-18

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EP06127136A Not-in-force EP1837123B1 (fr) 2006-03-21 2006-12-22 Outil destiné au traitement de surfaces et son procédé de fabrication

Country Status (3)

Country Link
EP (1) EP1837123B1 (fr)
AT (1) ATE477887T1 (fr)
DE (1) DE502006007682D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105473283A (zh) * 2013-08-19 2016-04-06 圣戈班金刚石工具有限责任两合公司 整形辊子

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010000921A1 (de) 2009-01-15 2010-07-29 Bernd Kuntz Abrichtwerkzeug und Verfahren zu dessen Herstellung
CN111113286B (zh) * 2020-01-13 2024-07-30 宋京新 一种电镀钢丝齿拼合式杯形砂轮

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29605728U1 (de) * 1996-03-28 1996-09-05 C. & E. Fein Gmbh & Co, 70176 Stuttgart Sägeblatt
DE19754517C2 (de) * 1997-12-09 2001-02-01 Winter & Sohn Ernst Abrichtrolle für Schleifscheiben und Verfahren zur Herstellung einer Abrichtrolle
AT7251U1 (de) * 2003-08-20 2004-12-27 Swarovski Tyrolit Schleif Trenn- oder schleifscheibe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105473283A (zh) * 2013-08-19 2016-04-06 圣戈班金刚石工具有限责任两合公司 整形辊子

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Publication number Publication date
EP1837123A1 (fr) 2007-09-26
DE502006007682D1 (de) 2010-09-30
ATE477887T1 (de) 2010-09-15

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