EP1049565B1 - Dispositif de serrage pour disques abrasifs - Google Patents

Dispositif de serrage pour disques abrasifs Download PDF

Info

Publication number
EP1049565B1
EP1049565B1 EP99971754A EP99971754A EP1049565B1 EP 1049565 B1 EP1049565 B1 EP 1049565B1 EP 99971754 A EP99971754 A EP 99971754A EP 99971754 A EP99971754 A EP 99971754A EP 1049565 B1 EP1049565 B1 EP 1049565B1
Authority
EP
European Patent Office
Prior art keywords
clamping
intermediate ring
damping layer
clamping device
grinding 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.)
Expired - Lifetime
Application number
EP99971754A
Other languages
German (de)
English (en)
Other versions
EP1049565A1 (fr
Inventor
Johann Huber
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.)
Tyrolit-Schleifmittelwerke Swarovski KG
Original Assignee
Tyrolit-Schleifmittelwerke Swarovski KG
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 Tyrolit-Schleifmittelwerke Swarovski KG filed Critical Tyrolit-Schleifmittelwerke Swarovski KG
Publication of EP1049565A1 publication Critical patent/EP1049565A1/fr
Application granted granted Critical
Publication of EP1049565B1 publication Critical patent/EP1049565B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • 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
    • B24D5/16—Bushings; Mountings
    • 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
    • B24D7/16—Bushings; Mountings

Definitions

  • the invention relates to a clamping device for grinding wheels Clamping elements, wherein between at least one clamping element and the Grinding wheel is a rigid, preferably metallic intermediate ring is arranged the grinding wheel is distanced from the clamping element and the intermediate ring or the clamping element adjacent to the intermediate ring with a fixed one Damping layer is made of elastic material, which is both radial and extends in the axial direction.
  • the object of the invention is to provide a tensioning device of this type improve that when using a conventional grinding wheel with less Clamping elements good damping and exact centering of the grinding wheel is achieved.
  • the object of the invention is achieved in that the intermediate ring one has hub-shaped sleeve-shaped projection and that the intermediate ring and that Clamping element through the damping layer made of elastic material, which is extends both in the radial and in the axial direction, fixedly connected to one piece are.
  • both thin (e.g. Cutting wheels), as well as thick grinding wheels because of the Clamping flange and the flange nut are shaped to fit together.
  • damping layer is both radial extends as well as the axial direction and with reduced noise and vibration exposure an increased service life of the grinding wheel is achieved.
  • 1 to 4 show sections through various embodiments of a clamping device according to the invention, in each of which a grinding wheel is clamped, and 5 shows a section through a tensioning device according to the invention, the parts of the tensioning device being drawn apart.
  • the tensioning device according to the invention consists of two tensioning elements, wherein in the exemplary embodiments shown one of the clamping elements of a clamping flange 1 and the second clamping element is formed by a clamping nut 2.
  • the invention can also be used for a clamping device with two clamping flanges come into use.
  • the clamping flange 1 is provided with a damping layer 9.
  • an intermediate ring 5 is arranged, which preferably consists of same material as the clamping flange 1 and the clamping nut 2, for example a cast steel or sheet steel.
  • a grinding wheel is in the clamping device 3 stretched, the cranked grinding wheel with an annular rough grinding layer 6 is formed.
  • the intermediate ring 5 has a projection 7 facing the clamping nut 2, which in the hub opening 8 of the grinding wheel 3 protrudes and the inside in the embodiment the grinding wheel 3 rests.
  • damping layer between the intermediate ring 5 and the clamping flange 1 9 made of an elastomeric material.
  • the damping layer 9 is just like the intermediate ring 5 is ring-shaped and has a disk-shaped Area 10 and a sleeve-shaped area 11.
  • the diameter of the hub opening 8 of the grinding wheel 3 is more than a quarter of the outside diameter since the grinding wheel 3.
  • This size ratio makes the grinding wheel 3 stiffer when used. It happens in relation to the total mass of the grinding wheel 3 less waste and Share of the damping mass of the damping layer 9 can in relation to the mass the grinding wheel 3 can be increased.
  • the tensioning device according to the invention is included a grinding wheel 4, which is designed as a cutting wheel.
  • the tensioning device again has a clamping flange 1, a clamping nut 2 and an intermediate ring 5, with a damping layer 9 in this exemplary embodiment is provided analogously to the previously described embodiment and another annular damping layer 12, which is between the grinding wheel 4 and the clamping nut 2 is located.
  • the intermediate ring 5 is on the hub side provided with a sleeve-shaped projection 13 on both sides of the intermediate ring 5 protrudes.
  • the damping layer 14 between the clamping flange 1 and the intermediate ring 5 has a radial section 15, an axial section 16, which between the sleeve-shaped projection 13 and the clamping flange 1 is arranged, and a further radial section 17, which the sleeve-shaped projection 13 of the intermediate ring 5 separates from the clamping flange 1.
  • Between the sleeve-shaped projection 13 and the sleeve-shaped area of the clamping nut 2 is provided in the game.
  • the sleeve-shaped projection 13 protrudes in on the side assigned to the clamping nut 2 the hub opening 8 of the grinding wheel 4.
  • damping layer 12 Between the grinding wheel 4 and the clamping nut 2 there is in turn a damping layer 12 provided.
  • the damping layer 14 also serves as an adhesive layer, so that parts 1 and 5 can be handled by the user as a common part.
  • the intermediate ring 5 is in turn with the Clamping flange 1 via a damping layer 9, which is also designed as an adhesive layer is connected.
  • the clamping nut 2 is formed by a core part 18 and an outer ring part 19. These two parts 18, 19 are in turn by means of a damping layer 20, for example is formed by a butyl rubber, glued.
  • the clamping nut 2 is conventional in the exemplary embodiments shown Way with the output shaft of a grinding machine, such as a hand grinder screwed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Claims (7)

  1. Dispositif de serrage pour des disques abrasifs comportant des éléments de serrage, dans lequel entre au moins un élément de serrage et le disque abrasif (3, 4) est disposée une bague intercalaire rigide (5) de préférence métallique, qui maintient le disque abrasif (3, 4) à distance de l'élément de serrage, et dans lequel la bague intercalaire (5) ou l'élément de serrage voisin de la bague intercalaire (5) est pourvu d'une couche d'amortissement fixée (9, 12,14, 20) formée d'un matériau élastique et qui s'étend aussi bien dans la direction radiale que dans la direction axiale, caractérisé en ce que la bague intercalaire (5) comporte une partie saillante en forme de douille, située du côté du moyeu et que la bague intercalaire (5) et l'élément de serrage sont réunis de façon fixe d'un seul tenant par la couche d'amortissement (9, 12, 14, 20) formée d'un matériau élastique qui s'étend aussi bien dans une direction radiale que dans une direction axiale.
  2. Dispositif de serrage selon la revendication 1, caractérisé en ce que l'élément de serrage, la couche d'amortissement (9, 14) et la bague intercalaire (5) sont réunies par collage.
  3. Dispositif de serrage selon la revendication 1 ou 2, caractérisé en ce que les éléments de serrage sont formés de deux brides de serrage ou d'une bride de serrage et d'un écrou de serrage, et qu'une bride de serrage (1), dans le cas d'un dispositif de serrage comportant deux brides de serrage, et la bride de serrage (1) dans le cas d'un dispositif comportant une bride de serrage (1) et un écrou de serrage (2), sont pourvues d'une couche intercalaire fixée (9, 14) formée d'un matériau élastique.
  4. Dispositif de serrage selon l'une des revendications 1 à 3, caractérisé en ce qu'une autre couche d'amortissement (12) est disposée sur le côté du disque abrasif (3, 4), situé à l'opposé de la bague intercalaire (5).
  5. Dispositif de serrage selon la revendication 3, caractérisé en ce que cette couche d'amortissement (12) s'appuie contre le disque abrasif (3, 4).
  6. Dispositif de serrage selon la revendication 1, caractérisé en ce que la partie saillante (13) fait saillie des deux côtés de la bague intercalaire (5).
  7. Dispositif de serrage selon l'une des revendications 1 à 5, caractérisé en ce que la couche d'amortissement (9, 14) ou les éléments d'insertion sont formés par un matériau élastomère.
EP99971754A 1998-11-10 1999-11-08 Dispositif de serrage pour disques abrasifs Expired - Lifetime EP1049565B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT186598 1998-11-10
AT0186598A AT409469B (de) 1998-11-10 1998-11-10 Spanneinrichtung für schleifscheiben
PCT/AT1999/000269 WO2000027590A1 (fr) 1998-11-10 1999-11-08 Dispositif de serrage pour disques abrasifs

Publications (2)

Publication Number Publication Date
EP1049565A1 EP1049565A1 (fr) 2000-11-08
EP1049565B1 true EP1049565B1 (fr) 2001-12-19

Family

ID=3522671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99971754A Expired - Lifetime EP1049565B1 (fr) 1998-11-10 1999-11-08 Dispositif de serrage pour disques abrasifs

Country Status (8)

Country Link
US (1) US6454639B1 (fr)
EP (1) EP1049565B1 (fr)
AT (2) AT409469B (fr)
CA (1) CA2331797C (fr)
DE (1) DE59900586D1 (fr)
DK (1) DK1049565T3 (fr)
ES (1) ES2165740T3 (fr)
WO (1) WO2000027590A1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10329826A1 (de) * 2003-06-27 2005-01-13 Festool Gmbh Schleifteller
DE202004018583U1 (de) * 2004-12-01 2006-04-06 Rhodius Schleifwerkzeuge Gmbh & Co. Kg Vorrichtung zum Trennen und Schleifen mit Vibrationsdämpfung und dafür geeignetes Werkzeug
EP1819481B1 (fr) * 2004-12-01 2015-05-13 Rhodius Schleifwerkzeuge GmbH & Co. KG Dispositif pour operations de separation et de polissage, dispositif de fixation et outil rotatif, a amortissement de vibrations
US8087977B2 (en) 2005-05-13 2012-01-03 Black & Decker Inc. Angle grinder
DE202005013880U1 (de) 2005-09-01 2007-01-11 Rhodius Schleifwerkzeuge Gmbh & Co. Kg Vorrichtung zum Trennen und Schleifen, Spannvorrichtung und Werkzeug mit Vibrationsdämpfung
DE102005054578A1 (de) * 2005-11-16 2007-05-24 Robert Bosch Gmbh Trennscheibe
JP5275044B2 (ja) * 2007-01-09 2013-08-28 株式会社マキタ 回転刃具の固定装置
US8430725B2 (en) * 2008-12-19 2013-04-30 Jovan Pajovic Abrasive disc construction
US20120304841A1 (en) * 2009-06-16 2012-12-06 Bort Tracey A Spacer for Cut-Off Wheel
CN102655995B (zh) * 2009-12-16 2016-05-25 胡斯华纳有限公司 用于切削或者锯削机械的工具单元和工具
EP2425928A1 (fr) * 2010-09-06 2012-03-07 WENDT GmbH Bride destinée au montage d'un outil sur une broche
AT511244B1 (de) * 2011-03-30 2013-01-15 Swarovski Tyrolit Schleif Trennschleifscheibe
AT518247B1 (de) * 2016-05-13 2017-09-15 Tyrolit - Schleifmittelwerke Swarovski K G Schleifscheibe
US10818450B2 (en) 2017-06-14 2020-10-27 Black & Decker Inc. Paddle switch
US11518001B2 (en) * 2018-02-20 2022-12-06 Weiler Corporation Backing pad assembly with anti-rotational locking feature for resin fiber discs
US20230211465A1 (en) * 2019-06-12 2023-07-06 August Rüggeberg Gmbh & Co. Kg Abrasive for the production of a grinding tool, grinding tool and method for operating a grinding tool of this type
CN112157569B (zh) * 2020-09-25 2021-10-22 郑玲佳 一种轴承制造用轴承抛光机
EP4237191A1 (fr) 2020-10-28 2023-09-06 3M Innovative Properties Company Ensemble moyeu réutilisable pour articles abrasifs
WO2022090969A1 (fr) 2020-10-28 2022-05-05 3M Innovative Properties Company Ensemble moyeu réutilisable pour articles abrasifs
CA3146953A1 (fr) * 2021-02-15 2022-08-15 Giovanni Ficai Systeme de serrage pour serrer des meules

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Publication number Priority date Publication date Assignee Title
US3040485A (en) * 1959-07-16 1962-06-26 Tocci-Guilbert Berne Resilient coupling
DE2405048A1 (de) * 1974-02-02 1975-09-25 Salje Ernst Aufnahme- und spannvorrichtung fuer schleifscheiben
ZA755807B (en) * 1975-09-11 1977-04-27 Edenvale Eng Works The mounting of grinding wheels
US4541205A (en) * 1983-04-08 1985-09-17 United Abrasives, Inc. Abrasive wheel assembly
DE3603384A1 (de) * 1986-02-05 1987-08-06 Bosch Gmbh Robert Vorrichtung zum loesbaren befestigen eines scheibenfoermigen werkzeugs
US4754577A (en) * 1986-04-03 1988-07-05 Mackay Joseph H Jun Disposable finishing article having an integral mounting hub including improved pressure cap
US4998384A (en) * 1989-09-01 1991-03-12 Norton Company Grinding wheel mounting means
JP3244718B2 (ja) * 1991-05-22 2002-01-07 株式会社マキタ 回転工具における回転刃具の固止装置
DE4236964A1 (de) * 1992-11-02 1994-05-05 Hilti Ag Scheibenförmiges Werkzeug für Winkelschleifer
DE4328987C1 (de) * 1993-08-28 1995-02-16 Thielenhaus Ernst Kg Verwendung einer Schleifvorrichtung zum Feinschleifen von Kraftfahrzeugbremsen
JP3333627B2 (ja) * 1994-04-06 2002-10-15 株式会社マキタ 回転研削工具のツール固止装置
US5560348A (en) * 1994-06-02 1996-10-01 Diamant Boart, Inc. Cutting blade with an impact load prevention layer
US5895317A (en) * 1996-12-18 1999-04-20 Norton Company Wheel hub for longer wheel life
ES2178800T3 (es) * 1997-10-16 2003-01-01 Rueggeberg August Gmbh & Co Disco abrasivo.
US6332836B1 (en) * 2001-04-02 2001-12-25 Ming-Xin Tseng Grinding wheel assembly

Also Published As

Publication number Publication date
WO2000027590A1 (fr) 2000-05-18
ATE211043T1 (de) 2002-01-15
ES2165740T3 (es) 2002-03-16
EP1049565A1 (fr) 2000-11-08
CA2331797C (fr) 2006-10-17
DK1049565T3 (da) 2002-04-15
US6454639B1 (en) 2002-09-24
AT409469B (de) 2002-08-26
ATA186598A (de) 2002-01-15
CA2331797A1 (fr) 2000-05-18
DE59900586D1 (de) 2002-01-31

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