EP1049565A1 - Dispositif de serrage pour disques abrasifs - Google Patents

Dispositif de serrage pour disques abrasifs

Info

Publication number
EP1049565A1
EP1049565A1 EP99971754A EP99971754A EP1049565A1 EP 1049565 A1 EP1049565 A1 EP 1049565A1 EP 99971754 A EP99971754 A EP 99971754A EP 99971754 A EP99971754 A EP 99971754A EP 1049565 A1 EP1049565 A1 EP 1049565A1
Authority
EP
European Patent Office
Prior art keywords
clamping
intermediate ring
clamping device
grinding wheel
damping layer
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
EP99971754A
Other languages
German (de)
English (en)
Other versions
EP1049565B1 (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
Tyrolit Schleifmittelwerke
Original Assignee
Tyrolit-Schleifmittelwerke Swarovski KG
Tyrolit Schleifmittelwerke
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, Tyrolit Schleifmittelwerke 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

Links

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 with clamping elements which are formed by two clamping flanges or a clamping flange and a clamping nut and, if appropriate, a damping insert.
  • Low-noise grinding wheels have already been developed to reduce noise during grinding. Although this did lead to a reduction in noise pollution, on the other hand it led to less abrasion of the grinding wheels, which significantly reduced the work progress and the profitability of the grinding wheels.
  • the object of the invention is to improve a tensioning device of the type mentioned at the outset such that a reduction in noise is achieved when using a conventional grinding wheel without special damping.
  • the object of the invention is achieved in that a stiff, preferably metallic intermediate ring is arranged between at least one clamping element and the grinding wheel, which spacers the grinding wheel from the clamping element and that The intermediate ring or the clamping element adjacent to the intermediate ring is provided with a fixed damping layer made of elastic material, which extends both in the radial and in the axial direction.
  • tensioning element, the damping layer and the intermediate ring are connected to one another, for example glued to one another.
  • damping layer extends both in the radial and in the axial direction and an increased service life of the grinding wheel is achieved with reduced noise and vibration loads.
  • FIG. 1 to 4 show sections through different exemplary embodiments of a clamping device according to the invention, in each of which a grinding wheel is clamped
  • FIG. 5 shows a section through a clamping device according to the invention, the parts of the clamping device being drawn apart.
  • the clamping device according to the invention consists of two clamping elements, one of the clamping elements being formed by a clamping flange 1 and the second clamping element being formed by a clamping nut 2 in the exemplary embodiments shown.
  • the invention can also be used in a clamping device with two clamping flanges.
  • an intermediate ring 5 is further arranged between the clamping flange 1 and the grinding wheel 3, 4, which is preferably made of the 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
  • the intermediate ring 5 has a projection 7 pointing towards the clamping nut 2, which protrudes into the hub opening 8 of the grinding wheel 3 and which in the exemplary embodiment rests on the inside of the grinding wheel 3
  • damping layer 9 made of an elastomeric material.
  • the damping layer 9 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 outer diameter since the grinding wheel 3
  • This large ratio makes the grinding wheel 3 more rigid when used. There is less waste in relation to the total mass of the grinding wheel 3 and the proportion of the damping mass of the damping layer 9 can be increased in relation to the mass of the grinding wheel 3
  • the clamping device in the exemplary embodiment according to FIG. 2, is provided with a grinding wheel 4, which is designed as a cutting disc.
  • the clamping device in turn has a clamping flange 1, a clamping nut 2 and an intermediate ring 5, in this exemplary embodiment a damping layer 9 analogous to that previously described exemplary embodiment is provided and a further annular damping layer 12, which is located between the grinding wheel 4 and the clamping nut 2
  • a grinding wheel 4 designed as a cutting wheel is again held in the clamping device.
  • the intermediate ring 5 is on the hub side provided with a sleeve-shaped projection 13 on both sides of the intermediate ring
  • the damping layer 14 between the clamping flange 1 and the intermediate ring 5 has a radial section 15, an axial section 16 which is arranged between the sleeve-shaped projection 13 and the clamping flange 1, 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 projects into the hub opening 8 of the grinding wheel 4.
  • a damping layer 12 is again provided between the grinding wheel 4 and the clamping nut 2.
  • the damping layer 14 also serves as an adhesive layer, so that the parts 1 and 5 can be handled by the user as a common part.
  • the intermediate ring 5 is in turn connected to the clamping flange 1 via a damping layer 9, which is also designed as an adhesive layer.
  • 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 glued by means of a damping layer 20, which is formed, for example, by a butyl rubber.
  • the clamping nut 2 is screwed in a conventional manner to the output shaft of a grinding machine, for example a hand-held grinding machine.

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)
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 true EP1049565A1 (fr) 2000-11-08
EP1049565B1 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020249205A1 (fr) * 2019-06-12 2020-12-17 August Rüggeberg Gmbh & Co. Kg Abrasif pour fabriquer un outil de rectification ainsi qu'outil de rectification et procédé pour faire fonctionner un outil de rectification de ce type

Families Citing this family (18)

* 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
CA2588332A1 (fr) * 2004-12-01 2006-06-08 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
EP2123380A4 (fr) * 2007-01-09 2011-10-12 Makita Corp Dispositif de fixation pour outil à lame tournante
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
CN112157569B (zh) * 2020-09-25 2021-10-22 郑玲佳 一种轴承制造用轴承抛光机
KR20230095999A (ko) 2020-10-28 2023-06-29 쓰리엠 이노베이티브 프로퍼티즈 컴파니 연마 물품을 위한 재사용 가능한 허브 조립체
JP2023547193A (ja) 2020-10-28 2023-11-09 スリーエム イノベイティブ プロパティズ カンパニー 研磨物品用の再利用可能ハブアセンブリ

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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
EP0909612B1 (fr) * 1997-10-16 2002-06-19 August Rüggeberg GmbH & Co. Disque abrasif
US6332836B1 (en) * 2001-04-02 2001-12-25 Ming-Xin Tseng Grinding wheel assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0027590A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020249205A1 (fr) * 2019-06-12 2020-12-17 August Rüggeberg Gmbh & Co. Kg Abrasif pour fabriquer un outil de rectification ainsi qu'outil de rectification et procédé pour faire fonctionner un outil de rectification de ce type

Also Published As

Publication number Publication date
ES2165740T3 (es) 2002-03-16
CA2331797A1 (fr) 2000-05-18
ATA186598A (de) 2002-01-15
EP1049565B1 (fr) 2001-12-19
CA2331797C (fr) 2006-10-17
DK1049565T3 (da) 2002-04-15
AT409469B (de) 2002-08-26
DE59900586D1 (de) 2002-01-31
WO2000027590A1 (fr) 2000-05-18
ATE211043T1 (de) 2002-01-15
US6454639B1 (en) 2002-09-24

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