EP1859903B1 - Outil rotatif pour le traitement de surface - Google Patents

Outil rotatif pour le traitement de surface Download PDF

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Publication number
EP1859903B1
EP1859903B1 EP07009141A EP07009141A EP1859903B1 EP 1859903 B1 EP1859903 B1 EP 1859903B1 EP 07009141 A EP07009141 A EP 07009141A EP 07009141 A EP07009141 A EP 07009141A EP 1859903 B1 EP1859903 B1 EP 1859903B1
Authority
EP
European Patent Office
Prior art keywords
machining
rotary tool
hinge
tool according
tooth
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.)
Active
Application number
EP07009141A
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German (de)
English (en)
Other versions
EP1859903A1 (fr
Inventor
Werner Montabaur
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.)
Monti Werkzeuge GmbH
Original Assignee
Monti Werkzeuge GmbH
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Filing date
Publication date
Application filed by Monti Werkzeuge GmbH filed Critical Monti Werkzeuge GmbH
Publication of EP1859903A1 publication Critical patent/EP1859903A1/fr
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Publication of EP1859903B1 publication Critical patent/EP1859903B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B24D13/12—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of felted or spongy material, e.g. felt, steel wool, foamed latex
    • 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
    • B24D3/22—Rubbers synthetic or natural

Definitions

  • the invention relates to a rotary tool for surface processing, with a rubber-elastic disc whose outer rim is equipped with spaced apart processing teeth.
  • a rotation tool is off DE 202 023 009 U known.
  • the machining teeth may be aligned in the radial direction or have a relation to the radial direction oblique arrangement. That is, the machining teeth are usually tilted, but can also extend radially.
  • a rotary tool of the embodiment described above is in the GB 456 985 described.
  • the known rotary tool accesses a resilient rubber-elastic layer which carries the respective machining teeth.
  • the machining teeth are manufactured separately, which in conjunction with the additional rubber-elastic layer leads to a relatively complicated structure.
  • the describes DE 202 023 009 U1 another rotary tool.
  • This is essentially an improved abrasive wheel for removing adhesives from stickers or dirty objects from an object to be sanded.
  • the grinding wheel in question can be made of soft rubber and can, for example, be rotationally driven by a hand tool.
  • the grinding area can be equipped with a side which forms at least one bevelled surface.
  • a similar rotary tool with non-inclined machining teeth is the subject of DE 198 45 166 B4 ,
  • the rotary tool in question is also referred to as an eraser for removing adhesive residues and plastic films on metal surfaces.
  • the outer surface of the annular disc is pressed onto the surface to be treated, so that the adhesive residues and foils, such as glued trims and advertising plastic film, softened and detached. This succeeds without damaging the relevant metal surfaces and in particular painted surfaces, as are customary in automobiles, for example.
  • the invention is based on the technical problem of further developing a rotary tool of the embodiment described at the beginning in such a way that the efficiency is increased, that is to say the machining time is shortened compared to previous embodiments with unchanged gentle treatment of the surface.
  • a generic rotary tool in the context of the invention is characterized in that the respective machining tooth has at least one hinge-forming inhomogeneity in the form of a recess.
  • this inhomogeneity which forms a hinge for the machining tooth in the context of the invention, it is basically an inhomogeneity, the deviations of the cross-sectional shape of the machining tooth of his essentially cuboidal design corresponds.
  • the inhomogeneity is formed as a recess.
  • a variation of the material properties can be made.
  • the inhomogeneity in question ensures that the machining tooth in its longitudinal extent in the region of inhomogeneity undergoes a certain weakening and consequently a hinge is formed. This is achieved by the recess as inhomogeneity.
  • the machining tooth is consciously and (slightly) weakened in its longitudinal extension in terms of its material thickness in the region of the hinge in question.
  • this reduction in the thickness of the material takes account of the loads occurring on the machining teeth as a whole and is dimensioned so that an outline of the machining teeth need not be feared.
  • the formed hinge supports the inclination of the machining teeth in operation on the already existing and in the unloaded predetermined skew addition. The same applies if the machining teeth are radial. Because the hinge-forming recess supports in any case, the inclination and combines material compression.
  • the machining teeth attach almost to their entire leading machining edge and additionally with their surface to the object to be processed, so that a special effective grinding effect is achieved.
  • the said leading machining edge of the respective machining tooth is inclined in this direction of rotation in comparison to the direction of rotation of the disk.
  • a corresponding inclination counter to the direction of rotation also has the trailing processing edge on. That is, the alignment and mode of action of the individual processing teeth is comparable to the monofilaments of rigid plastic, as in the context of DE 39 20 972 B4 be used.
  • the surface to be machined becomes but spared and especially painted surfaces, as they are common for example in automobiles, are not damaged - similar to the DE 198 45 166 B4 described.
  • the hinge-forming recess or undercut is provided only on one side of the machining tooth, namely at the respectively trailing machining edge.
  • the described effect is particularly observed when the questionable hinge forming recess is formed at the foot side of the machining tooth. For this reason, as it were, the entire length of the machining tooth can be further pivoted by the formed hinge in the desired manner and in addition to the already predetermined inclination in operation and so ensure the almost full-surface contact of the leading edge machining with the surface to be machined.
  • the leading and the trailing processing edge of the respective machining tooth are equipped with different inclination relative to the radial direction. This provides some compensation for the lack of material in the area of the hinge.
  • the respective machining tooth has a cross section in the form of a conical trunk or a trapezoidal cross-section with a broad foot and a narrower head.
  • the disc or annular disc is usually made of rubber or a rubber-elastic plastic, wherein in addition may be embedded in the peripheral processing teeth as a whole or primarily in the leading edge machining abrasive particles.
  • abrasive particles of corundum or even those of silicon carbide, boron carbide, boron nitride or diamond have proven.
  • the grain size of the abrasive particles can move between extra-fine and very coarse.
  • an extra-fine particle size or abrasive emulsion wetting of the leading processing edges will be used if, for example, adhesive residues and films on paint or metal surfaces are to be removed.
  • medium-fine or medium-coarse abrasive particles are recommended if, for example, the lacquer is to be removed from painted metal surfaces or other surfaces or a different surface finish is desired.
  • Coarse or very coarse abrasive particles will be used if z.
  • a rust removal of metal or steel surfaces is provided. In any case, depending on the selection of the abrasive particles and, where appropriate, the grinding emulsion, a vote can be made on the particular surface treatment to be carried out.
  • both the hinge-forming recess and the connecting web can be defined in a machining step in the disk in which, for example, the disk equipped with the machining teeth is milled out at the foot end in the region of the hinge-forming recess and the connecting web.
  • the machining teeth have an inclination of 5 to 20 ° relative to the radial direction.
  • values for the inclination of 5 to 15 ° and preferably those between about 10 ° and 12 ° have proven to be particularly favorable.
  • the disc is usually equipped with an inner ring with at least one receptacle for a disc holder for connection to a rotating machine tool.
  • the disc can also be driven manually.
  • rotating machine tools are recommended, which provide the required speeds and the associated drive power available.
  • the machining teeth additionally each have a beveled surface which the full surface area achieved by the inclination and hinge mobility Supporting the machining teeth on the surface to be machined supported.
  • the surface is usually - as the leading and trailing edge of the respective machining tooth - inclined against the direction of rotation of the rotary tool.
  • the disk Due to the inclination of the respective surface of the machining teeth, the disk has a sawtooth-like circumferential profile on its outer rim, which supports the grinding performance.
  • the preferably rubber-elastic disc is equipped with specially trained and aligned machining teeth. Because in operation, these machining teeth put almost with their entire leading edge processing (and its surface) to the surface of the object to be processed and ensure an effective and full-surface removal of adhesive residues, films, advertising, etc., without the surface is damaged , Here are the main benefits.
  • a rotary tool for surface processing in the embodiment as a disc 1 or washer or Folienradierer is shown.
  • the disc 1 in question consists of a rubber-elastic plastic, in this case made of polyurethane (PUR). But it is also possible that only an outer ring 2 is made of rubber-elastic plastic, while an inner ring 3 is made of thermoplastic material.
  • PUR polyurethane
  • the disc 1 has the outer rim 2 and the inner rim 3, which is equipped for connection to a merely indicated rotatably driven disc holder 4.
  • the outer ring 2 of the disc 1 has distributed over its circumference protruding bending elastic machining teeth 5, which are arranged distributed equally spaced over the outer rim 2.
  • the respective machining teeth 5 have a leading machining edge 6 and a trailing machining edge 7. It can be seen that the leading machining edge 6 and the trailing machining edge 7 have an oblique position predetermined by respective angles ⁇ , ⁇ with respect to a radial direction R.
  • the leading processing edge 6 (angle ⁇ ) and the trailing processing edge 7 (angle ⁇ ) are equipped with different inclinations relative to the radial direction R, because the angle ⁇ is about 11 in the embodiment, whereas ⁇ assumes values of about 8 °.
  • the respective machining teeth 5 have a cross-sectionally truncated shape with a broad foot and a narrower head in contrast.
  • the respective oblique position of the leading and trailing machining edges 6, 7 ensures that the machining teeth 5 are inclined overall with respect to the addressed radial direction R, against a direction of rotation D inclined.
  • the respective machining tooth 5 has at least one hinge-forming inhomogeneity, which in the present case is designed as a hinge-forming recess 8 or undercut.
  • the hinge-forming recess 8 is located in each case in the region of the trailing machining edge 7, namely on the foot side of the associated machining tooth 5.
  • the hinge-forming recess 8 passes directly into a connecting web 9 which predetermines the spacing of the machining teeth 5.
  • the hinge-forming recess 8 and the associated connecting web are each taken together in cross-section arcuately formed with the same radius. In this way, the connecting web 9 in question and the hinge-forming recess 8 are defined in one production step.
  • the respective machining teeth 5 have a bevelled surface 10.
  • the associated angle ⁇ of the inclination is located in the range of about 5 °, may be measured in total between 3 ° and 8 °.
  • the bevelled surface 10 of the respective machining tooth 5 is inclined counter to the direction of rotation D or working direction of the rotary tool. In this way it is achieved that the machining teeth 5 experience an additional oblique inclination in the state applied to the workpiece as a result of the hinge-forming recess 8, so that virtually all the leading machining edge 6 and the bevelled surface 10 on the surface in question and to be machined for machining Workpiece rest.
  • abrasive particles 11 may be embedded at least in the leading machining edge 6 and / or the bevelled surface 10 of the respective machining teeth 5. These abrasive particles 11 may be those of fine particle size corundum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Claims (10)

  1. Outil rotatif pour l'usinage de surfaces, comportant un disque en caoutchouc élastique (1) dont la couronne extérieure (2) est équipée de dents d'usinage (5) espacées les unes des autres, caractérisé en ce que la dent d'usinage respective (5) comporte au moins une irrégularité constituant une charnière sous forme d'un évidement (8).
  2. Outil rotatif selon la revendication 1, caractérisé en ce que l'irrégularité constituant une charnière est réalisée sous la forme de l'évidement (8) au niveau du pied de la dent d'usinage respective (5).
  3. Outil rotatif selon la revendication 1 ou 2, caractérisé en ce que l'irrégularité constituant une charnière est réalisée sous la forme de l'évidement (8) respectivement au niveau d'une traverse de liaison (9) couplant les dents d'usinage (5) au niveau du pied.
  4. Outil rotatif selon une des revendications 1 à 3, caractérisé en ce que l'irrégularité constituant la charnière est réalisée avec une section transversale en forme d'arc de cercle sous la forme de l'évidement (8) et de la traverse de liaison (9) réunis.
  5. Outil rotatif selon une des revendications 1 à 4, caractérisé en ce que la dent d'usinage respective (5) possède une surface biseautée (10).
  6. Outil rotatif selon la revendication 5, caractérisé en ce que la surface (10) est inclinée à l'inverse du sens de rotation (D).
  7. Outil rotatif selon une des revendications 1 à 6, caractérisé en ce que les dents d'usinage respectives (5) présentent, par rapport au sens radial (R), une position oblique (α) de 5 à 20°, notamment 5 à 15°, de préférence environ 10 à 12°.
  8. Outil rotatif selon une des revendications 1 à 7, caractérisé en ce que le disque (1) est équipé d'une couronne intérieure (3) comportant des supports (12) pour un porte-disque (5).
  9. Outil rotatif selon une des revendications 1 à 8, caractérisé en ce que la dent d'usinage respective (5) est réalisée en forme de tronc conique dans sa section transversale (5).
  10. Outil rotatif selon une des revendications 1 à 9, caractérisé en ce que la dent d'usinage respective (5) présente une arête d'usinage d'avance (6) et une arête d'usinage suiveuse (7) ayant une position oblique différente (α, β) par rapport au sens radial (R).
EP07009141A 2006-05-24 2007-05-07 Outil rotatif pour le traitement de surface Active EP1859903B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006024842A DE102006024842A1 (de) 2006-05-24 2006-05-24 Rotationswerkzeug zur Oberflächenbearbeitung

Publications (2)

Publication Number Publication Date
EP1859903A1 EP1859903A1 (fr) 2007-11-28
EP1859903B1 true EP1859903B1 (fr) 2009-01-21

Family

ID=38441587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07009141A Active EP1859903B1 (fr) 2006-05-24 2007-05-07 Outil rotatif pour le traitement de surface

Country Status (8)

Country Link
US (1) US7901274B2 (fr)
EP (1) EP1859903B1 (fr)
JP (1) JP4796540B2 (fr)
CN (1) CN100540226C (fr)
AT (1) ATE421408T1 (fr)
DE (2) DE102006024842A1 (fr)
ES (1) ES2321663T3 (fr)
TW (1) TWI449600B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2371487A1 (fr) 2010-03-30 2011-10-05 Monti-Werkzeuge Gmbh Dispositif d'outil rotatif entraîné de manière rotative
DE202012101525U1 (de) 2012-04-24 2013-07-26 Monti-Werkzeuge Gmbh Rotativ antreibbare Drehwerkzeugeinrichtung
DE102016111265A1 (de) 2016-06-20 2017-12-21 Monti-Werkzeuge Gmbh Rotativ antreibbare Drehwerkzeugeinrichtung
EP4219073A1 (fr) 2022-01-26 2023-08-02 Monti-Werkzeuge GmbH Dispositif outil rotatif à entraînement rotatif

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI506278B (zh) * 2012-12-06 2015-11-01 Murata Manufacturing Co High Voltage Resistive MEMS Sensors
DE102013213272A1 (de) * 2013-07-05 2015-01-08 Flex-Elektrowerkzeuge Gmbh Werkzeugaufnahme und handgehaltene Schleifmaschine

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
GB456985A (en) 1935-05-18 1936-11-18 Carborundum Co Improvements in abrasive articles
US4291507A (en) * 1979-11-28 1981-09-29 Littlehorn Jr John J High speed grinding wheel for glass
US4882879A (en) 1988-07-08 1989-11-28 Jason, Inc. Flexible abrasive grinding tool
US5184597A (en) * 1990-04-27 1993-02-09 Edward Chiuminatta Apparatus and method for cutting unhardened concrete
US5871399A (en) * 1996-08-30 1999-02-16 Merit Abrasive Products, Inc. Flap wheel
US5964650A (en) * 1997-03-10 1999-10-12 Digital Innovations, L.L.C. Method and apparatus for repairing optical discs
JPH11179669A (ja) * 1997-12-19 1999-07-06 Rich Hills Kk ブラスト処理用回転体
JPH11254232A (ja) * 1998-03-06 1999-09-21 Yuki Seimitsu Kogyo Kk 薄膜剥離工具
JP2995405B1 (ja) * 1998-07-14 1999-12-27 ゴトー電機株式会社 ステッカー等の剥離用ディスク
CN2342933Y (zh) * 1998-07-20 1999-10-13 车锺培 切割与研磨用的复合工具
DE19845166B4 (de) * 1998-10-01 2004-05-19 Monti-Werkzeuge Gmbh Rotationswerkzeug in der Ausführungsform einer Ringscheibe zur Oberflächenbearbeitung
US6422932B1 (en) * 1999-10-15 2002-07-23 3M Innovative Properties Company Integrally molded brush and method for making the same
DE10005064A1 (de) * 2000-02-04 2001-08-23 Siegfried Goelz Gmbh & Co Sintermetallgebundene abrasiv wirkende Segmente für Werkzeuge
JP2002046073A (ja) * 2000-08-04 2002-02-12 Kanto Seito Kk 研磨用軟質孔あきディスク及びその製造方法
US6945850B2 (en) * 2001-02-06 2005-09-20 Perrey David A Saw blade with abrasive surface
DE20203009U1 (de) 2002-02-26 2002-06-13 Chen, Yueh, Taipeh/T'ai-pei Verbesserte Schleifscheibe
DE102004049235B3 (de) * 2004-10-09 2005-07-21 Monti-Werkzeuge Gmbh Rotationswerkzeug
CN2778475Y (zh) * 2005-03-25 2006-05-10 上海杰信抛磨材料有限公司 砂布/纸丝轮

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2371487A1 (fr) 2010-03-30 2011-10-05 Monti-Werkzeuge Gmbh Dispositif d'outil rotatif entraîné de manière rotative
DE202012101525U1 (de) 2012-04-24 2013-07-26 Monti-Werkzeuge Gmbh Rotativ antreibbare Drehwerkzeugeinrichtung
DE102016111265A1 (de) 2016-06-20 2017-12-21 Monti-Werkzeuge Gmbh Rotativ antreibbare Drehwerkzeugeinrichtung
WO2017220338A1 (fr) 2016-06-20 2017-12-28 Monti-Werkzeuge Gmbh Dispositif à outil rotatif pouvant être entraîné en rotation
EP4219073A1 (fr) 2022-01-26 2023-08-02 Monti-Werkzeuge GmbH Dispositif outil rotatif à entraînement rotatif

Also Published As

Publication number Publication date
CN100540226C (zh) 2009-09-16
DE102006024842A1 (de) 2007-11-29
EP1859903A1 (fr) 2007-11-28
JP2007313637A (ja) 2007-12-06
TWI449600B (zh) 2014-08-21
JP4796540B2 (ja) 2011-10-19
US20070275644A1 (en) 2007-11-29
TW200804039A (en) 2008-01-16
DE502007000394D1 (de) 2009-03-12
CN101081491A (zh) 2007-12-05
ATE421408T1 (de) 2009-02-15
ES2321663T3 (es) 2009-06-09
US7901274B2 (en) 2011-03-08

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