EP1049565B1 - Clamping device for grinding discs - Google Patents

Clamping device for grinding discs 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)
French (fr)
Other versions
EP1049565A1 (en
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/en
Application granted granted Critical
Publication of EP1049565B1 publication Critical patent/EP1049565B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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)

Abstract

The invention relates to a clamping device for grinding discs (3, 4) having clamping elements which are formed by a clamping flange (1) and a clamping nut (2). A rigid, preferably metallic intermediate ring (5) is arranged between a clamping element and the grinding disc (3, 4). The intermediate ring distances the grinding disc (3, 4) from the clamping element. The intermediate ring (5) or the clamping element adjacent to the intermediate ring (5) is provided with a fixed damping layer (9, 12, 14, 20) made of an elastic material. The damping layer extends in both a radial and an axial direction.

Description

Die Erfindung bezieht sich auf eine Spanneinrichtung für Schleifscheiben mit Spannelementen, wobei zwischen mindestens einem Spannelement und der Schleifscheibe ein steifer, vorzugsweise metallischer Zwischenring angeordnet ist, der die Schleifscheibe vom Spannelement distanziert und wobei der Zwischenring oder das dem Zwischenring benachbarte Spannelement mit einer fixierten Dämpfungsschichte aus elastischem Material versehen ist, die sich sowohl in radialer als auch in axialer Richtung erstreckt.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.

Es ist bekannt, daß die Geräuschentwicklung beim Schleifen, insbesondere beim Schleifen mittels handgeführter Maschinen wesentlich zu der hohen Lärmbelastung beiträgt, die an vielen Arbeitsplätzen besteht. Insbesondere trifft dies bei der Metallverarbeitung zu.It is known that the noise during grinding, especially when Grinding by means of hand-held machines significantly to the high noise pollution contributes, which exists in many jobs. This applies in particular to metal processing to.

Um die Lärmentwicklung beim Schleifen zu vermindem, wurden bereits geräuscharme Schleifscheiben entwickelt. Dies führte zwar durchaus zu einer Verminderung der Lärmbelastung, führte jedoch andererseits zu einem geringeren Abtrag der Schleifscheiben, wodurch der Arbeitsfortschritt und die Rentabilität der Schleifscheiben wesentlich herabgesetzt wurden.In order to reduce noise during grinding, low-noise has already been used Grinding wheels developed. This certainly led to a reduction in the Noise pollution, on the other hand, however, led to less abrasion of the grinding wheels, making the work progress and the profitability of the grinding wheels essential were reduced.

Die DE 43 28 987 C1 zeigt den Einbau separater elastischer Einlagen in Spannsysteme mit dem Ziel, einen Spannungs- bzw. Maßausgleich zu ermöglichen.DE 43 28 987 C1 shows the installation of separate elastic inserts in tensioning systems with the aim of enabling a tension or dimension compensation.

Aus der DE 195 12 991 ist eine Einspannvorrichtung für den Einsatz in einem Drehwerkzeug bekannt, mit der Schwingungen eines Werkzeugelementes absorbiert werden sollen. Gleichzeitig soll die Haltbarkeit verbessert werden. Die in der genannten Schrift gezeigte Lösung hat den Nachteil, daß durch die scheibenförmige Ausführung der elastischen Einlage Schwingungen in radialer Richtung nicht gedämpft werden können.DE 195 12 991 describes a clamping device for use in a turning tool known, are absorbed with the vibrations of a tool element should. At the same time, the durability should be improved. Those in the above Scripture shown solution has the disadvantage that due to the disc-shaped design the elastic insert vibrations in the radial direction are not damped can.

Aus der US 30 40 485A ist eine Spanneinrichtung bekannt, bei der zum Aufspannen drei Elemente notwendig sind, nämlich Topfschutz mit Dämpfung, Dämpfungshülse und Spannmutter. From US 30 40 485A a tensioning device is known in which for clamping three elements are necessary, namely pot protection with damping, damping sleeve and tension nut.

Aufgabe der Erfindung ist es, eine Spanneinrichtung dieser Art dahingehend zu verbessem, daß beim Einsatz einer herkömmlichen Schleifscheibe mit weniger Spannelementen eine gute Dämpfung und eine exakte Zentrierung der Schleifscheibe erreicht wird.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.

Die erfindungsgemäße Aufgabe wird dadurch gelöst, daß der Zwischenring einen nabenseitigen hülsenförmigen Vorsprung aufweist und daß der Zwischenring und das Spannelement durch die Dämpfungsschichte aus elastischem Material, welche sich sowohl in radialer als auch in axialer Richtung erstreckt, zu einem Stück fix verbunden sind. Mit der erfindungsgemäßen Spanneinrichtung können sowohl dünne (z.B. Trennscheiben), als auch dicke Schleifscheiben gespannt werden, weil der Spannflansch und die Flanschmutter ineinanderpassend geformt sind.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. With the tensioning device according to the invention, 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.

Ein weiterer Vorteil der Erfindung ist, daß sich die Dämpfungsschichte sowohl in radialer als auch axialer Richtung erstreckt und bei verringerter Lärm- und Vibrationsbelastung eine erhöhte Lebensdauer der Schleifscheibe erreicht wird.Another advantage of the invention is that the 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.

Vorteilhaft ist vorgesehen, daß das Spannelement und die Dämpfungsschichte miteinander verklebt sind.It is advantageously provided that the tensioning element and the damping layer are glued together.

Nachfolgend werden verschiedene Ausführungsbeispiele der Erfindung anhand der Figuren der beiliegenden Zeichnungen beschrieben.Various exemplary embodiments of the invention are described below with reference to FIG Figures of the accompanying drawings are described.

Die Fig. 1 bis 4 zeigen Schnitte durch verschiedene Ausführungsbeispiele einer erfindungsgemäßen Spanneinrichtung, in der jeweils eine Schleifscheibe eingespannt ist, und
die Fig. 5 zeigt einen Schnitt durch eine erfindungsgemäße Spanneinrichtung, wobei die Teile der Spanneinrichtung auseinandergezogen gezeichnet sind.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.

Die erfindungsgemäße Spanneinrichtung besteht aus zwei Spannelementen, wobei in den gezeigten Ausführungsbeispielen eines der Spannelemente von einem Spannflansch 1 und das zweite Spannelement von einer Spannmutter 2 gebildet wird. Die Erfindung kann jedoch ebenfalls bei einer Spanneinrichtung mit zwei Spannflanschen zur Anwendung kommen. 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 However, the invention can also be used for a clamping device with two clamping flanges come into use.

Erfindungsgemäß ist der Spannflansch 1 mit einer Dämpfungsschichte 9 versehen. In den gezeigten Ausführungsbeispielen ist weiters zwischen dem Spannflansch 1 und der Schleifscheibe 3, 4 ein Zwischenring 5 angeordnet, der vorzugsweise aus dem gleichen Material wie der Spannflansch 1 und die Spannmutter 2, beispielsweise einem Stahlguß oder Stahlblech, gefertigt ist.According to the clamping flange 1 is provided with a damping layer 9. In The exemplary embodiments shown is further between the clamping flange 1 and the grinding wheel 3, 4 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.

Im Ausführungsbeispiel nach der Fig. 1 ist in der Spanneinrichtung eine Schleifscheibe 3 gespannt, die als gekröpfte Schruppschleifscheibe mit einer ringförmigen Grobschleifschichte 6 ausgebildet ist.In the exemplary embodiment according to FIG. 1, a grinding wheel is in the clamping device 3 stretched, the cranked grinding wheel with an annular rough grinding layer 6 is formed.

Der Zwischenring 5 weist einen zur Spannmutter 2 weisenden Vorsprung 7 auf, der in die Nabenöffnung 8 der Schleifscheibe 3 ragt und der im Ausführungsbeispiel innen an der Schleifscheibe 3 anliegt.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.

Zwischen dem Zwischenring 5 und dem Spannflansch 1 befindet sich eine Dämpfungsschichte 9 aus einem elastomeren Material. Die Dämpfungsschichte 9 ist ebenso wie der Zwischenring 5 ringförmig ausgebildet und weist einen scheibenförmigen Bereich 10 und einen hülsenförmigen Bereich 11 auf.There is a 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.

Der Durchmesser der Nabenöffnung 8 der Schleifscheibe 3 beträgt mehr als ein Viertel des Außendurchmessers da der Schleifscheibe 3.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.

Durch dieses Größenverhältnis ist die Schleifscheibe 3 beim Einsatz steifer. Es tritt ein im Verhältnis zur gesamten Masse der Schleifscheibe 3 geringerer Abfall auf und der Anteil der Dämpfungsmasse der Dämpfungsschichte 9 kann im Verhältnis zur Masse der Schleifscheibe 3 erhöht werden.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.

Auf diese Art kann bei gleicher Zerspanungsleistung eine 50%ige Lebensdauererhöhung der Schleifscheibe 3 erreicht werden.In this way, a 50% increase in service life can be achieved with the same cutting performance the grinding wheel 3 can be reached.

Im Ausführungsbeispiel nach der Fig. 2 ist die erfindungsgemäße Spanneinrichtung mit einer Schleifscheibe 4 versehen, die als Trennscheibe ausgebildet ist. Die Spanneinrichtung weist wiederum einen Spannflansch 1, eine Spannmutter 2 und einen Zwischenring 5 auf, wobei in diesem Ausführungsbeispiel eine Dämpfungsschichte 9 analog dem vorher beschriebenen Ausführungsbeispiel vorgesehen ist und eine weitere ringförmige Dämpfungsschichte 12, die sich zwischen der Schleifscheibe 4 und der Spannmutter 2 befindet.In the exemplary embodiment according to FIG. 2, 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.

im Ausführungsbeispiel nach der Fig. 3 ist wieder eine als Trennscheibe ausgebildete Schleifscheibe 4 in der Spanneinrichtung gehalten. Der Zwischenring 5 ist nabenseitig mit einem hülsenförmigen Vorsprung 13 versehen, der beidseitig des Zwischenringes 5 vorspringt. Die Dämpfungsschichte 14 zwischen dem Spannflansch 1 und dem Zwischenring 5 weist einen radialen Abschnitt 15, einen axialen Abschnitt 16, der zwischen dem hülsenförmigen Vorsprung 13 und dem Spannflansch 1 angeordnet ist, und einen weiteren radialen Abschnitt 17, der den hülsenförmigen Vorsprung 13 des Zwischenringes 5 vom Spannflansch 1 trennt, auf. Zwischen dem hülsenförmigen Vorsprung 13 und dem hülsenförmigen Bereich der Spannmutter 2 ist im Spiel vorgesehen.in the exemplary embodiment according to FIG. 3 is again a cutting disc Grinding wheel 4 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 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.

An der der Spannmutter 2 zugeordneten Seite ragt der hülsenförmige Vorsprung 13 in die Nabenöffnung 8 der Schleifscheibe 4.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.

Zwischen der Schleifscheibe 4 und der Spannmutter 2 ist wiederum eine Dämpfungsschichte 12 vorgesehen. Die Dämpfungsschichte 14 dient zugleich als Klebeschicht, sodaß die Teile 1 und 5 vom Benutzer als gemeinsames Teil gehandhabt werden können.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.

Im Ausführungsbeispiel nach der Fig. 5 ist wiederum der Zwischenring 5 mit dem Spannflansch 1 über eine Dämpfungsschichte 9, die auch als Klebeschichte ausgebildet ist, verbunden.5, 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.

Die Spannmutter 2 wird von einem Kernteil 18 und einem äußeren Ringteil 19 gebildet. Diese beiden Teile 18, 19 sind wiederum mittels einer Dämpfungsschichte 20, die beispielsweise von einem Butylkautschuk gebildet wird, verklebt.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.

Die Spannmutter 2 ist in den gezeigten Ausführungsbeispielen in herkömmlicher Weise mit der Abtriebswelle einer Schleifmaschine, beispielsweise einer Handschleifmaschine verschraubt.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.

Claims (7)

  1. A clamping device for grinding wheels comprising clamping elements wherein arranged between at least one clamping element and the grinding wheel (3, 4) is a stiff, preferably metal intermediate ring (5) which spaces the grinding wheel (3, 4) from the clamping element and wherein the intermediate ring (5) or the clamping element adjacent to the intermediate ring (5) is provided with a fixed damping layer (9, 12, 14, 20) of elastic material, which extends both in the radial and also the axial direction, characterised in that the intermediate ring (5) has a sleeve-shaped projection on the hub side and that the intermediate ring (5) and the clamping element are fixedly connected to form one piece by the damping layer (9, 12, 14, 20) of elastic material, which extends both in the radial and in the axial direction.
  2. A clamping device as set forth in claim 1 characterised in that the clamping element, the damping layer (9, 14) and the intermediate ring (5) are glued together.
  3. A clamping device as set forth in claim 1 or claim 2 characterised in that the clamping elements are formed by two clamping flanges or one clamping flange and a clamping nut and that in a clamping device having two clamping flanges, one damping flange (1) and, in a clamping device having a clamping flange (1) and a clamping nut (2), the clamping flange (1) is provided with the fixed intermediate layer (9,14) of elastic material.
  4. A clamping device as set forth in one of claims 1 through 3 characterised in that a further damping layer (12) is arranged at the side of the grinding wheel (3, 4) which is opposite to the intermediate ring (5).
  5. A clamping device as set forth in claim 4 characterised in that said further damping layer (12) bears against the grinding wheel (3, 4).
  6. A clamping device as set forth in claim 1 characterised in that the projection (13) projects on both sides from the intermediate ring (5).
  7. A clamping device as set forth in one of claims 1 through 5 characterised in that the damping layer (9, 14) or the inserts are formed by an elastomer material.
EP99971754A 1998-11-10 1999-11-08 Clamping device for grinding discs Expired - Lifetime EP1049565B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT186598 1998-11-10
AT0186598A AT409469B (en) 1998-11-10 1998-11-10 TENSIONING DEVICE FOR GRINDING WHEELS
PCT/AT1999/000269 WO2000027590A1 (en) 1998-11-10 1999-11-08 Clamping device for grinding discs

Publications (2)

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

Family

ID=3522671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99971754A Expired - Lifetime EP1049565B1 (en) 1998-11-10 1999-11-08 Clamping device for grinding discs

Country Status (8)

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

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10329826A1 (en) 2003-06-27 2005-01-13 Festool Gmbh sanding pad
ES2539633T3 (en) * 2004-12-01 2015-07-02 Rhodius Schleifwerkzeuge Gmbh & Co. Kg Device for cutting and grinding, tensioning device and rotary tool with vibration damping
DE202004018583U1 (en) * 2004-12-01 2006-04-06 Rhodius Schleifwerkzeuge Gmbh & Co. Kg Device for cutting-off and grinding operations comprises vibration absorbing elements in the form of elastic coatings on the clamping elements or the tool, or in the form of interposable disks
US8087977B2 (en) 2005-05-13 2012-01-03 Black & Decker Inc. Angle grinder
DE202005013880U1 (en) 2005-09-01 2007-01-11 Rhodius Schleifwerkzeuge Gmbh & Co. Kg Separating and grinding device e.g. angle grinder, has tube piece with provided between internal face of hub bore and external face of collar region, where tube piece has axial projecting length, which is compressed in assembled state
DE102005054578A1 (en) * 2005-11-16 2007-05-24 Robert Bosch Gmbh cutting wheel
JP5275044B2 (en) * 2007-01-09 2013-08-28 株式会社マキタ Rotating blade fixing device
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
US9333571B2 (en) * 2009-12-16 2016-05-10 Husqvarna Ab Tool unit and tool for a cutting or sawing machine
EP2425928A1 (en) * 2010-09-06 2012-03-07 WENDT GmbH Flange for fitting a tool to a spindle
AT511244B1 (en) * 2011-03-30 2013-01-15 Swarovski Tyrolit Schleif CUTTING WHEEL
AT518247B1 (en) * 2016-05-13 2017-09-15 Tyrolit - Schleifmittelwerke Swarovski K G grinding wheel
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
EP3983174A1 (en) * 2019-06-12 2022-04-20 August Rüggeberg GmbH & Co. KG Grinding means for producing a grinding tool, grinding tool, and method for operating such a grinding tool
CN112157569B (en) * 2020-09-25 2021-10-22 郑玲佳 Bearing polishing machine for bearing manufacturing
JP2023547193A (en) 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 Reusable hub assembly for abrasive articles
US20230390881A1 (en) 2020-10-28 2023-12-07 3M Innovative Properties Company Reusable hub assembly for abrasive articles
CA3146953A1 (en) * 2021-02-15 2022-08-15 Giovanni Ficai Clamping system for clamping grinding wheels

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3040485A (en) * 1959-07-16 1962-06-26 Tocci-Guilbert Berne Resilient coupling
DE2405048A1 (en) * 1974-02-02 1975-09-25 Salje Ernst Gripping chuck for accurate mounting of rotary grinding wheels - has serrated steel plate held to wheel surface by pressure plate
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 (en) * 1986-02-05 1987-08-06 Bosch Gmbh Robert DEVICE FOR DETACHABLE FASTENING OF A DISC-SHAPED TOOL
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 (en) * 1991-05-22 2002-01-07 株式会社マキタ Device for fixing rotary cutting tools in rotary tools
DE4236964A1 (en) * 1992-11-02 1994-05-05 Hilti Ag Disc-shaped tool for angle grinders
DE4328987C1 (en) * 1993-08-28 1995-02-16 Thielenhaus Ernst Kg Use of a grinding device for fine grinding motor vehicle brakes
JP3333627B2 (en) * 1994-04-06 2002-10-15 株式会社マキタ Tool fixing device for rotary grinding tools
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 (en) * 1997-10-16 2002-06-19 August Rüggeberg GmbH & Co. Grinding disc
US6332836B1 (en) * 2001-04-02 2001-12-25 Ming-Xin Tseng Grinding wheel assembly

Also Published As

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

Similar Documents

Publication Publication Date Title
EP1049565B1 (en) Clamping device for grinding discs
EP1819481B1 (en) Device for cutting and grinding, chucking device and rotating tool with vibration damping
EP0816703B1 (en) Conical screw connection for lamellae shaft coupling
DE3306312C3 (en) MOVABLE CLUTCH OR BRAKE DISC FOR AN ELECTROMAGNETIC CLUTCH OR BRAKE
DE3825062C2 (en)
DE10155645B4 (en) Brake cover for a vehicle brake
WO1992014945A1 (en) Brake shoe
EP0764490B1 (en) Face driver for a machine tool
EP0835392B1 (en) Flanged bearing
DE2555644C2 (en) Arrangement with an elongated shaft supported on bearings
EP0700753A1 (en) Flap sanding wheel
EP3110680A1 (en) Steering shaft for a motor vehicle
DE10335720B4 (en) Anti-vibration element
EP0965407B1 (en) Tool for machining hard materials
DE3819018C1 (en)
DE3119960A1 (en) Noise-damped rail wheel
DE3201825A1 (en) Abrasive disc
DE3136275C1 (en) Rubber-sprung rail wheel
DE2831076A1 (en) Vibration damper for motor vehicle prop shaft - has ring mass secured by rubber member with insert increasing axial and radial rigidity
DE7712605U1 (en) Circular saw, especially for sawing stony materials
DE3839220A1 (en) Rotary tool for a working machine for removing material, e.g. rust, paint and the like, from a surface by rubbing off, scratching off, grinding off or like working
DE102010026971B4 (en) Rotationally symmetric tool, in particular grinding tool
DE4323876C2 (en) Device for guiding a disc spring
DE102017111559B4 (en) Grinding tool and its use for automated post-processing of milled free-form surfaces
DE2533261B2 (en) Milling cutter for machining spherical surfaces

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20000828

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 20010124

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20011219

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20011219

REF Corresponds to:

Ref document number: 211043

Country of ref document: AT

Date of ref document: 20020115

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: ISLER & PEDRAZZINI AG

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REF Corresponds to:

Ref document number: 59900586

Country of ref document: DE

Date of ref document: 20020131

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2165740

Country of ref document: ES

Kind code of ref document: T3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020319

ET Fr: translation filed
REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20020322

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021108

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20021130

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030601

REG Reference to a national code

Ref country code: CH

Ref legal event code: PCAR

Free format text: ISLER & PEDRAZZINI AG;POSTFACH 1772;8027 ZUERICH (CH)

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DK

Payment date: 20091112

Year of fee payment: 11

Ref country code: CH

Payment date: 20091117

Year of fee payment: 11

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101130

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101130

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FI

Payment date: 20121119

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20121108

Year of fee payment: 14

Ref country code: BE

Payment date: 20121128

Year of fee payment: 14

BERE Be: lapsed

Owner name: TYROLIT SCHLEIFMITTELWERKE *SWAROVSKI K.G.

Effective date: 20131130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131108

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131130

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20141117

Year of fee payment: 16

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20150504

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131109

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151109

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20161115

Year of fee payment: 18

Ref country code: NL

Payment date: 20161027

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20161028

Year of fee payment: 18

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20171110

Year of fee payment: 19

Ref country code: DE

Payment date: 20171127

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20171128

Year of fee payment: 19

REG Reference to a national code

Ref country code: NL

Ref legal event code: MM

Effective date: 20171201

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20171108

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171201

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171108

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171108

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59900586

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 211043

Country of ref document: AT

Kind code of ref document: T

Effective date: 20181108

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190601

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181108

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181130