EP0911116A1 - Grinding article and mounting device - Google Patents

Grinding article and mounting device Download PDF

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Publication number
EP0911116A1
EP0911116A1 EP98811026A EP98811026A EP0911116A1 EP 0911116 A1 EP0911116 A1 EP 0911116A1 EP 98811026 A EP98811026 A EP 98811026A EP 98811026 A EP98811026 A EP 98811026A EP 0911116 A1 EP0911116 A1 EP 0911116A1
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EP
European Patent Office
Prior art keywords
grinding
fastening device
carrier element
flaps
abrasive
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
EP98811026A
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German (de)
French (fr)
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EP0911116B1 (en
Inventor
Patrick Müller
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.)
Sia Abrasives Industries AG
Original Assignee
Sia Schweizer Schmirgel und Schleif Industrie AG
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Application filed by Sia Schweizer Schmirgel und Schleif Industrie AG filed Critical Sia Schweizer Schmirgel und Schleif Industrie AG
Priority to DE29824244U priority Critical patent/DE29824244U1/en
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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
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/04—Protective covers for the grinding wheel
    • B24B55/05—Protective covers for the grinding wheel specially designed for portable grinding machines
    • B24B55/052—Protective covers for the grinding wheel specially designed for portable grinding machines with rotating tools
    • 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
    • B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
    • B24D13/16—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face comprising pleated flaps or strips
    • 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
    • B24D13/20—Mountings for the wheels
    • 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 an abrasive wheel with overlapping Abrasive flaps arranged in a fan shape on a carrier element are, according to the preamble of claim 1.
  • Such grinding wheels have been manufactured for a long time and sold.
  • An example of the grinding wheels known up to now in this type consist of a plastic carrier element in the form of a Disc on which individual grinding lamellae fan-shaped are overlapping in the overall shape of a ring.
  • the support element is in the center with the exception of a hole the disc, which is the attachment of the grinding disc to the Grinding machine is used, trained throughout.
  • the support element is only the outer diameter in terms of its shape adapted to the ring formed by the grinding flaps.
  • the fan-shaped arrangement of the grinding flaps serves one Self-renewal of the abrasive.
  • This arrangement ensures a constant high removal rate of the grinding wheel.
  • the abrasive of all lamellas can cause constant surface quality of the workpiece can be achieved.
  • the special slat structure ensures cool and steamed Ground and thereby prevents tarnishing of the surface of the Workpiece.
  • a grinding wheel is described in JP 02015979, which consists of a carrier element in the form of a disc, on which individual grinding lamellae fan-shaped overlapping in the form of a ring on both sides of the carrier element are attached.
  • the fan-shaped layering the grinding flap runs on both sides of the grinding wheel in the same direction, i.e. the stratification of the Grinding lamella is in the same direction.
  • This same direction allows simultaneous editing of two opposite ones Sides of a groove, furrow or groove.
  • this grinding wheel is the existing risk of injury through radially accelerated removal of the workpiece and its short service life.
  • the invention is based on the object, the Consumption of material for the production of the carrier element while increasing the service life of the grinding wheel to reduce without the good grinding properties of the lose already known execution.
  • Another object is to manufacture a fastening device for ring-shaped grinding wheels regardless of the structure of your grinding surface.
  • the invention provides for the manufacture of grinding wheels, where the overlapping fan-shaped grinding lamellae on both sides of the same support element in opposing stratification to form a grinding surface are attached. Because that's for this type of grinding wheel common drive motors have only one direction of rotation, allows the opposing layering of the grinding flaps successive or alternating use of both Grinding surfaces with one and the same drive motor, which for considerable increase in tool life leads.
  • the drive motors generally used in practice for this type of grinding wheel are angle grinders.
  • a reduction in the carrier element material consumption will achieved in that the shape of the carrier element essentially corresponds to the grinding surfaces by the overlapping fan-shaped grinding lamellae formed become. With this almost congruent adaptation of the Support element to the overall shape of the grinding surface arise no superfluous ones not covered by grinding flaps Areas on the support element.
  • To attach the A grinding device is used on a grinding machine on a grinding machine, those with specially designed recesses is to be releasably engaged in the grinding wheel.
  • a preferred embodiment is the formation of the carrier element and the overlapping fan-shaped arranged grinding flap formed grinding surface as Ring.
  • this fastening device in two parts.
  • the training takes place in the form two holding elements, which the carrier element non-positively fix and detachable by mounting with e.g. screws enclose between themselves, in possible combination with positive elements that the support element without hold the final fixation in an immovable position.
  • the fastening device for ring-shaped grinding wheels with on a support element arranged on both sides grinding surfaces.
  • the fastening device is advantageous by two together releasably connected holding elements realized, which enclose the slip ring non-positively and / or positively, one of the two holding elements with the Protective cover can be inextricably linked.
  • the connection Holding element and protective cover is in another Embodiment releasably connected in two parts.
  • the grinding wheel realized in the present invention the special one in terms of material saving and disposal Has advantages is due to the completely new concept of the Complete system (grinding device and fastening device) further optimizable.
  • the thought of the least possible Material expenditure was with the exchangeable fastening device consistently continued.
  • With the fastening on both sides of grinding flaps on the carrier element was in Difference from the prior art a protective device for the side of the grinding wheel facing the grinding machine integrated. This function was combined according to the invention realized with the developed fastening device.
  • the grinding wheel according to the invention has 1 fan-shaped overlapping on both sides Abrasive flaps 2, which are attached to a carrier element 3 are.
  • 2 is the opposite stratification of the Abrasive flaps 2 shown. This opposite stratification leads to the formation of two grinding surfaces 4, which alternatively can be used with the same drive motor.
  • the support element 3 is in the particular embodiment shown as annular body formed with an outer diameter of 115 mm and an inner diameter of 57 mm. These dimensions however, in no way impose a limitation The disc can be made in any diameter. The most common outside diameters are around 115 cm, 100 cm, 125 cm and 180 cm.
  • this carrier element 3 On this carrier element 3 is a Grinding surface 4 by 72 rectangular grinding flaps 2, which have dimensions from 17 mm to 24 mm, wherein the overlap is formed such that approximately 5 mm grinding surface per grinding flap not through the next grinding lamella above is covered. Also here are the dimensions of the grinding flaps no limitation. The shape and dimensions are the same according to the application and the size of the grinding wheel. The dimensions of the annular grinding surface thus formed 4 is 115 mm in outside diameter and 65 mm in inside diameter.
  • the grinding flaps 2 are shown in FIG glued special embodiment. Alternatively, it is also possible the grinding flap mechanically or on others Way to attach, e.g. the carrier element 3 in the injection molding process produce while doing the grinding lamella 2 at the same time to fix.
  • the carrier element 3 can also be made of a material other than plastic, e.g. made of metal, Metal alloys, or any other suitable for this purpose Material. That through the ring-shaped training of the grinding body 1 formed recess 5 serves as seen in Figure 2, the inclusion of the fastening device 6.
  • the fastening device 6 shown consists of two Holding elements 7 and 8, the holding element 7 as the end face 10 of the fastening device 6 with the grinding body 1 forms a surface.
  • the other holding element 8 is in the special case with a protective cover 12 for the Grinder facing side 9 of the grinding body 1 inextricably linked.
  • the support element 3 is non-positive and / or positive on.
  • the non-positive attachment is carried out by means of a Screw connection by means of the holding elements 7, 8 Threads 13.
  • the fixation of the carrier element 3 to the Grinding machine is done using mechanical tools that can engage in the holes 11 and 14.
  • the inner circumference of the carrier element can also e.g. serrated be or be provided with protrusions that are complementary Intervene surfaces of the holding elements 7 and 8. To this Form-locking between the holding elements can also be done in this way 7, 8 and the carrier element 3 reach.
  • Figure 4 shows a further embodiment of the fastening device 6.
  • the end holding element 10 is in formed in the same way as shown in Figure 2.
  • the Holding element 8, which in Figure 2 is inseparable from the protective cover 12 is realized as a disk in FIG. 4, that does not reach the diameter of the grinding wheel 1 and thus only as a counter bearing to the holding element 10 Fixing by means of threaded rod 13 is used.
  • Figure 5 shows the abrasive body 1 according to Figure 1, the Holding element 8 is not connected to the protective cover 12 is.
  • the protective cover 12 shown in Figure 5 is one separate version and is with a spacer 15 with With the help of the thread 13 on the two holding elements 7 and 8 attached.
  • the end face also forms in this embodiment the fastening device 10 a disc with the Grinding body 1 and the side facing the grinding machine 9 of the grinding body 1 is protected by the protective cover 8.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Synchronous Machinery (AREA)

Abstract

The grinding disk (1) structure has overlapping grinding blades (2) forming fan structures on both sides of a carrier (3), and secured to it to form a grinding surface (4). The fan layers of the grinding blades are against each other on both sides of the carrier. The carrier matches the whole shape of the grinding surface. The carrier has at least one opening (5) with a mounting (6) for fitting to a drive motor.

Description

Die Erfindung betrifft einen Schleifkörper mit überlappenden Schleiflamellen, die auf einem Trägerelement fächerförmig angeordnet sind, gemäss Oberbegriff des Anspruches 1. Des weiteren betrifft sie eine Befestigungsvorrichtung für ringförmige Schleifkörper mit einer auf einem Trägerelement angeordneten Schleiffläche gemäss Oberbegriff der Ansprüche 8 und 9. Derartige Schleifkörper werden seit längerem hergestellt und verkauft.The invention relates to an abrasive wheel with overlapping Abrasive flaps arranged in a fan shape on a carrier element are, according to the preamble of claim 1. Des further relates to a fastening device for annular Abrasive wheel with one on a carrier element arranged grinding surface according to the preamble of claims 8 and 9. Such grinding wheels have been manufactured for a long time and sold.

Ein Beispiel der bislang in dieser Art bekannten Schleifkörper bestehen aus einem Kunststoffträgerelement in Form einer Scheibe, auf welcher einzelne Schleiflamellen fächerförmig überlappend in der Gesamtform eines Ringes angebracht sind. Das Trägerelement ist mit Ausnahme eines Loches im Zentrum der Scheibe, die der Befestigung der Schleifscheibe an die Schleifmaschine dient, durchgehend ausgebildet. Das Trägerelement ist hinsichtlich seiner Form nur dem äusseren Durchmesser des durch die Schleiflamellen gebildeten Ringes angepasst.An example of the grinding wheels known up to now in this type consist of a plastic carrier element in the form of a Disc on which individual grinding lamellae fan-shaped are overlapping in the overall shape of a ring. The support element is in the center with the exception of a hole the disc, which is the attachment of the grinding disc to the Grinding machine is used, trained throughout. The support element is only the outer diameter in terms of its shape adapted to the ring formed by the grinding flaps.

Die fächerförmige Anordnung der Schleiflamellen dient einer Selbsterneuerung des Schleifmittels. Bei Abtrag der obersten Schicht wird das Schleifmittel der darunter liegenden Lamelle wirksam. Diese Anordnung gewährleistet eine gleichbleibend hohe Abtragsleistung der Schleifscheibe. Bis zur vollständigen Abnutzung des Schleifmittels aller Lamellen kann eine konstante Oberflächengüte des Werkstückes erreicht werden. Der spezielle Lamellenaufbau sorgt für kühlen und gedämpften Schliff und vermeidet dadurch ein Anlaufen der Oberfläche des Werkstückes.The fan-shaped arrangement of the grinding flaps serves one Self-renewal of the abrasive. When removing the top one Layer becomes the abrasive of the underlying lamella effective. This arrangement ensures a constant high removal rate of the grinding wheel. Until complete The abrasive of all lamellas can cause constant surface quality of the workpiece can be achieved. The special slat structure ensures cool and steamed Ground and thereby prevents tarnishing of the surface of the Workpiece.

Weiterhin wird in JP 02015979 ein Schleifkörper beschrieben, welcher aus einem Trägerelement in Form einer Scheibe besteht, auf welcher einzelne Schleiflamellen fächerförmig überlappend in Form eines Ringes auf beiden Seiten des Trägerelementes angebracht sind. Die fächerförmige Schichtung der Schleiflamellen verläuft bei beiden Seiten des Schleifkörpers in die gleiche Richtung, d.h. die Schichtung der Schleiflamellen ist gleichsinnig. Diese gleichsinnige Ausrichtung erlaubt ein gleichzeitiges Bearbeiten zweier gegenüberliegender Seiten einer Rille, Furche oder Nut. Nachteile dieses Schleifkörpers sind die bestehende Verletzungsgefahr durch radial beschleunigten Abtrag vom Werkstück und seine kurze Standzeit.Furthermore, a grinding wheel is described in JP 02015979, which consists of a carrier element in the form of a disc, on which individual grinding lamellae fan-shaped overlapping in the form of a ring on both sides of the carrier element are attached. The fan-shaped layering the grinding flap runs on both sides of the grinding wheel in the same direction, i.e. the stratification of the Grinding lamella is in the same direction. This same direction allows simultaneous editing of two opposite ones Sides of a groove, furrow or groove. disadvantage this grinding wheel is the existing risk of injury through radially accelerated removal of the workpiece and its short service life.

Der Erfindung liegt zum einen die Aufgabe zugrunde, den Verbrauch an Material für die Herstellung des Trägerelementes bei gleichzeitiger Erhöhung der Standzeiten des Schleifkörpers zu reduzieren ohne die guten Schleifeigenschaften der bereits bekannten Ausführung zu verlieren.The invention is based on the object, the Consumption of material for the production of the carrier element while increasing the service life of the grinding wheel to reduce without the good grinding properties of the lose already known execution.

Eine weitere Aufgabe besteht in der Herstellung einer Befestigungsvorrichtung für ringförmig ausgebildete Schleifkörper unabhängig vom Aufbau ihrer Schleiffläche.Another object is to manufacture a fastening device for ring-shaped grinding wheels regardless of the structure of your grinding surface.

Weiterhin soll die Sicherheit während der Bearbeitung von Werkstücken mit solchen Schleifkörpern wesentlich erhöht werden.Furthermore, the security during the processing of Workpieces with such grinding wheels are significantly increased become.

Erfindungsgemäss werden diese Aufgaben gemäss Kennzeichen der unabhängigen Patentansprüche 1, 8 und 9.According to the invention, these tasks are performed according to the characteristics of independent claims 1, 8 and 9.

Die Erfindung sieht die Herstellung von Schleifkörpern vor, bei denen die überlappend fächerförmig angeordneten Schleiflamellen auf beiden Seiten desselben Trägerelementes in gegensinniger Schichtung zur Ausbildung einer Schleiffläche befestigt sind. Da die für diese Art von Schleifkörpern gängigen Antriebsmotoren nur eine Umdrehungsrichtung haben, erlaubt die gegensinnige Schichtung der Schleiflamellen die aufeinanderfolgende bzw. abwechselnde Benutzung beider Schleifflächen mit ein- und demselben Antriebsmotor, was zur erheblichen Verlängerung der Standzeit des Schleifkörpers führt. Die in der Praxis im allgemeinen verwendeten Antriebsmotoren für diese Art von Schleifkörpern sind Winkelschleifmaschinen.The invention provides for the manufacture of grinding wheels, where the overlapping fan-shaped grinding lamellae on both sides of the same support element in opposing stratification to form a grinding surface are attached. Because that's for this type of grinding wheel common drive motors have only one direction of rotation, allows the opposing layering of the grinding flaps successive or alternating use of both Grinding surfaces with one and the same drive motor, which for considerable increase in tool life leads. The drive motors generally used in practice for this type of grinding wheel are angle grinders.

Eine Reduzierung des Trägerelementmaterialverbrauchs wird dadurch erreicht, dass die Form des Trägerelements im wesentlichen den Schleifflächen entspricht, die durch die überlappend fächerförmig angeordneten Schleiflamellen gebildet werden. Mit dieser quasi deckungsgleichen Anpassung des Trägerelementes an die Gesamtform der Schleiffläche entstehen keine überflüssigen nicht durch Schleiflamellen belegten Bereiche auf dem Trägerelement. Zur Befestigung des Schleifkörpers an einer Schleifmaschine dient eine Befestigungsvorrichtung, die mit speziell konzipierten Aussparungen im Schleifkörper lösbar in Eingriff zu bringen ist.A reduction in the carrier element material consumption will achieved in that the shape of the carrier element essentially corresponds to the grinding surfaces by the overlapping fan-shaped grinding lamellae formed become. With this almost congruent adaptation of the Support element to the overall shape of the grinding surface arise no superfluous ones not covered by grinding flaps Areas on the support element. To attach the A grinding device is used on a grinding machine on a grinding machine, those with specially designed recesses is to be releasably engaged in the grinding wheel.

Eine bevorzugte Ausführungsform ist die Ausbildung des Trägerelementes und der durch die überlappend fächerförmig angeordneten Schleiflamellen gebildete Schleiffläche als Ring.A preferred embodiment is the formation of the carrier element and the overlapping fan-shaped arranged grinding flap formed grinding surface as Ring.

Bildet in einer weiteren Ausführungsform der Schleifkörper mit der Stirnseite der Befestigungsvorrichtung eine zusammenhängende Scheibe, so wird eine hohe Benutzerfreundlichkeit hinsichtlich der Montage mittels mechanischer Werkzeuge erzielt.In a further embodiment, forms the grinding wheel with the face of the fastening device a coherent Disc, so will be high usability with regard to assembly using mechanical tools achieved.

Schutzvorkehrungen für die dem Anwender zugewandte, mit Schleiflamellen bedeckte Seite des Schleifkörpers erhöhen die Sicherheit für den Anwender erheblich. Erfindungsgemäss wird dies dadurch verwirklicht, dass zusammen mit der Befestigungsvorrichtung eine Schutzabdeckung angebracht wird, welche die der Schleifmaschine zugewandte Seite des Schleifkörpers vollständig abdeckt.Protective measures for those facing the user The side of the grinding wheel covered with grinding flaps increases the Security for the user considerably. According to the invention this is achieved by that together with the fastening device a protective cover is attached, which the side of the grinding wheel facing the grinding machine completely covers.

In einer vorteilhaften Ausführungsform ist diese Befestigungsvorrichtung zweiteilig. Die Ausbildung erfolgt in Form zweier Halte-Elemente, welche das Trägerelement kraftschlüssig durch Montage mittels z.B Schrauben fixieren und lösbar zwischen sich einschliessen, in möglicher Kombination mit formschlüssigen Elementen, die das Trägerelement auch ohne endgültige Fixierung in unverrückbarer Position festhalten.In an advantageous embodiment, this fastening device in two parts. The training takes place in the form two holding elements, which the carrier element non-positively fix and detachable by mounting with e.g. screws enclose between themselves, in possible combination with positive elements that the support element without hold the final fixation in an immovable position.

Verwirklicht in der vorliegenden Erfindung ist weiterhin eine Befestigungsvorrichtung für ringförmige Schleifkörper mit auf einem Trägerelement beidseitig angeordneten Schleifflächen. Die Befestigungsvorrichtung ist vorteilhaft durch zwei miteinander lösbar verbundenen Halte-Elemente verwirklicht, welche den Schleifring kraft- und/oder formschlüssig einschliessen, wobei eines der beiden Halte-Elemente mit der Schutzabdeckung unlösbar verbunden sein kann. Die Verbindung Halte-Element und Schutzabdeckung ist in einer weiteren Ausführungsform zweiteilig lösbar verbunden.Another is realized in the present invention Fastening device for ring-shaped grinding wheels with on a support element arranged on both sides grinding surfaces. The fastening device is advantageous by two together releasably connected holding elements realized, which enclose the slip ring non-positively and / or positively, one of the two holding elements with the Protective cover can be inextricably linked. The connection Holding element and protective cover is in another Embodiment releasably connected in two parts.

Der in der vorliegenden Erfindung realisierte Schleifkörper, der hinsichtlich Materialeinsparung und Entsorgung besondere Vorteile aufweist, wird durch die völlige Neukonzeption des Gesamtsystems (Schleifvorrichtung und Befestigungsvorrichtung) weiter optimierbar. Der Gedanke des geringstmöglichen Materialaufwandes wurde mit der auswechselbaren Befestigungsvorrichtung konsequent fortgeführt. Mit der beidseitigen Befestigung von Schleiflamellen auf dem Trägerelement wurde im Unterschied zum Stand der Technik eine Schutzvorrichtung für die der Schleifmaschine zugewandte Seite des Schleifkörpers integriert. Diese Funktion wurde erfindungsgemäss zusammen mit der entwickelten Befestigungsvorrichtung verwirklicht.The grinding wheel realized in the present invention, the special one in terms of material saving and disposal Has advantages is due to the completely new concept of the Complete system (grinding device and fastening device) further optimizable. The thought of the least possible Material expenditure was with the exchangeable fastening device consistently continued. With the fastening on both sides of grinding flaps on the carrier element was in Difference from the prior art a protective device for the side of the grinding wheel facing the grinding machine integrated. This function was combined according to the invention realized with the developed fastening device.

Die Erfindung ist im folgenden in Ausführungsbeispielen anhand der Zeichnungen näher erläutert. Es zeigen:

Figur 1
die schematische Darstellung des erfindungsgemässen Schleifkörpers in der speziellen Ausführungsform eines Ringes, in Draufsicht,
Figur 2
der in Figur 1 gezeigte Schleifring mit Befestigungsvorrichtung und integrierter Schutzabdeckung in Explosionsdarstellung,
Figur 3
einen vergrösserten Ausschnitt des Schleifringes mit Befestigungsvorrichtung aus Figur 2 im Querschnitt,
Figur 4
einen Querschnitt durch Schleifkörper und einer weiteren zweiteiligen Ausführungsform der Befestigungsvorrichtung,
Figur 5
einen Schleifkörper und Befestigungsvorrichtung mit separater Schutzabdeckung im Querschnitt,
The invention is explained below in exemplary embodiments with reference to the drawings. Show it:
Figure 1
the schematic representation of the grinding wheel according to the invention in the special embodiment of a ring, in plan view,
Figure 2
the slip ring shown in Figure 1 with fastening device and integrated protective cover in an exploded view,
Figure 3
3 shows an enlarged section of the slip ring with fastening device from FIG. 2 in cross section,
Figure 4
3 shows a cross section through the grinding wheel and a further two-part embodiment of the fastening device,
Figure 5
a grinding body and fastening device with a separate protective cover in cross section,

Gemäss Figur 1 bis 3 weist der erfindungsgemässe Schleifkörper 1 beidseitig fächerförmig überlappend angeordnete Schleiflamellen 2 auf, die auf einem Trägerelement 3 befestigt sind. In Fig. 2 ist die gegensinnige Schichtung der Schleiflamellen 2 dargestellt. Diese gegensinnige Schichtung führt zur Ausbildung zweier Schleifflächen 4, die alternativ mit demselben Antriebsmotor verwendbar sind. Das Trägerelement 3 ist in der gezeigten, speziellen Ausführungsform als ringförmiger Körper ausgebildet mit einem Aussendurchmesser von 115 mm und einem Innendurchmesser von 57 mm. Diese Abmessungen stellen jedoch in keiner Weise eine Limitierung dar. Die Scheibe kann in jedem Durchmesser hergestellt werden. Die gängigsten Aussendurchmesser sind neben 115 cm, 100 cm, 125 cm und 180 cm. Auf diesem Trägerelement 3 wird eine Schleiffläche 4 durch 72 rechteckige Schleiflamellen 2, welche Abmessungen von 17 mm auf 24 mm besitzen, gebildet, wobei die Überlappung dermassen ausgebildet ist, dass ungefähr 5 mm Schleiffläche pro Schleiflamelle nicht durch die darüberliegende, nächste Schleiflamelle bedeckt wird. Auch hierbei stellen die genannten Abmessungen der Schleiflamellen keine Limitierung dar. Die Form und Abmessungen richten sich nach dem Anwendungszweck und der Grösse des Schleifkörpers. Die Abmessungen der so gebildeten, ringförmigen Schleiffläche 4 beträgt 115 mm im Aussendurchmesser und 65 mm im Innendurchmesser. Die Schleiflamellen 2 sind in der gezeigten speziellen Ausführungsform aufgeklebt. Alternativ ist es aber auch möglich, die Schleiflamellen mechanisch oder auf andere Weise zu befestigen, z.B. das Trägerelement 3 im Spritzgussverfahren herzustellen und dabei die Schleiflamellen 2 gleichzeitig zu befestigen. Das Trägerelement 3 kann auch aus einem anderen Material als Kunststoff, z.B. aus Metall, Metalllegierungen, oder jedem anderen für diese Zwecke geeignetem Material, bestehen. Die durch die ringförmige Ausbildung des Schleifkörpers 1 gebildete Aussparung 5 dient wie aus Figur 2 ersichtlich, der Aufnahme der Befestigungsvorrichtung 6.According to FIGS. 1 to 3, the grinding wheel according to the invention has 1 fan-shaped overlapping on both sides Abrasive flaps 2, which are attached to a carrier element 3 are. 2 is the opposite stratification of the Abrasive flaps 2 shown. This opposite stratification leads to the formation of two grinding surfaces 4, which alternatively can be used with the same drive motor. The support element 3 is in the particular embodiment shown as annular body formed with an outer diameter of 115 mm and an inner diameter of 57 mm. These dimensions however, in no way impose a limitation The disc can be made in any diameter. The most common outside diameters are around 115 cm, 100 cm, 125 cm and 180 cm. On this carrier element 3 is a Grinding surface 4 by 72 rectangular grinding flaps 2, which have dimensions from 17 mm to 24 mm, wherein the overlap is formed such that approximately 5 mm grinding surface per grinding flap not through the next grinding lamella above is covered. Also here are the dimensions of the grinding flaps no limitation. The shape and dimensions are the same according to the application and the size of the grinding wheel. The dimensions of the annular grinding surface thus formed 4 is 115 mm in outside diameter and 65 mm in inside diameter. The grinding flaps 2 are shown in FIG glued special embodiment. Alternatively, it is also possible the grinding flap mechanically or on others Way to attach, e.g. the carrier element 3 in the injection molding process produce while doing the grinding lamella 2 at the same time to fix. The carrier element 3 can also be made of a material other than plastic, e.g. made of metal, Metal alloys, or any other suitable for this purpose Material. That through the ring-shaped training of the grinding body 1 formed recess 5 serves as seen in Figure 2, the inclusion of the fastening device 6.

Die gezeigte Befestigungsvorrichtung 6 besteht aus zwei Halte-Elementen 7 und 8, wobei das Halte-Element 7 als Stirnseite 10 der Befestigungsvorrichtung 6 mit dem Schleifkörper 1 eine Fläche bildet. Das andere Halte-Element 8 ist in dem speziellen Fall mit einer Schutzabdeckung 12 für die der Schleifmaschine zugewandte Seite 9 des Schleifkörpers 1 unlösbar verbunden.The fastening device 6 shown consists of two Holding elements 7 and 8, the holding element 7 as the end face 10 of the fastening device 6 with the grinding body 1 forms a surface. The other holding element 8 is in the special case with a protective cover 12 for the Grinder facing side 9 of the grinding body 1 inextricably linked.

Wie in Figur 2 angedeutet und in Figur 3 noch einmal vergrössert herausgestellt, schliessen die beiden Halte-Elemente 7 und 8 das Trägerelement 3 kraft- und/oder formschlüssig ein. Die kraftschlüssige Befestigung erfolgt mittels einer Verschraubung durch auf den Halte-Elementen 7, 8 angebrachten Gewinden 13. Die Fixierung des Trägerelementes 3 an die Schleifmaschine geschieht mittels mechanischer Werkzeuge, die in die Bohrlöcher 11 und 14 eingreifen können.As indicated in Figure 2 and enlarged again in Figure 3 exposed, close the two holding elements 7 and 8, the support element 3 is non-positive and / or positive on. The non-positive attachment is carried out by means of a Screw connection by means of the holding elements 7, 8 Threads 13. The fixation of the carrier element 3 to the Grinding machine is done using mechanical tools that can engage in the holes 11 and 14.

Der innere Umfang des Trägerelementes kann auch z.B. gezahnt sein oder mit Vorsprüngen versehen sein, die in komplementäre Oberflächen der Halte-Elemente 7 und 8 eingreifen. Auf diese Weise lässt sich auch Formschluss zwischen den Halte-Elementen 7, 8 und dem Trägerelement 3 erreichen.The inner circumference of the carrier element can also e.g. serrated be or be provided with protrusions that are complementary Intervene surfaces of the holding elements 7 and 8. To this Form-locking between the holding elements can also be done in this way 7, 8 and the carrier element 3 reach.

Figur 4 zeigt eine weitere Ausführungsform der Befestigungsvorrichtung 6. Das stirnseitige Halte-Element 10 ist dabei in der gleichen Weise ausgebildet wie in Figur 2 gezeigt. Das Halte-Element 8, das in Figur 2 unlösbar mit der Schutzabdeckung 12 verbunden ist, ist in Figur 4 als Scheibe verwirklicht, die nicht den Durchmesser des Schleifkörpers 1 erreicht und somit nur als Gegenlager zum Halte-Element 10 bei Fixierung mittels Gewindestange 13 dient.Figure 4 shows a further embodiment of the fastening device 6. The end holding element 10 is in formed in the same way as shown in Figure 2. The Holding element 8, which in Figure 2 is inseparable from the protective cover 12 is realized as a disk in FIG. 4, that does not reach the diameter of the grinding wheel 1 and thus only as a counter bearing to the holding element 10 Fixing by means of threaded rod 13 is used.

Figur 5 zeigt den Schleifkörper 1 gemäss Figur 1, wobei das Halte-Element 8 nicht mit der Schutzabdeckung 12 verbunden ist. Die in Figur 5 gezeigte Schutzabdeckung 12 ist eine separate Ausführung und wird mit einem Abstandshalter 15 mit Hilfe des Gewindes 13 an die beiden Halte-Elemente 7 und 8 befestigt. Auch bei dieser Ausführungsform bildet die Stirnseite der Befestigungsvorrichtung 10 eine Scheibe mit dem Schleifkörper 1 und die der Schleifmaschine zugewandte Seite 9 des Schleifkörpers 1 ist durch die Schutzabdeckung 8 geschützt.Figure 5 shows the abrasive body 1 according to Figure 1, the Holding element 8 is not connected to the protective cover 12 is. The protective cover 12 shown in Figure 5 is one separate version and is with a spacer 15 with With the help of the thread 13 on the two holding elements 7 and 8 attached. The end face also forms in this embodiment the fastening device 10 a disc with the Grinding body 1 and the side facing the grinding machine 9 of the grinding body 1 is protected by the protective cover 8.

Diese erfindungsgemässen Ausführungsformen erlauben das Bearbeiten von Schweissnähten, sind besonders geeignet für Kantenschliff, Entgratarbeiten, und den Oberflächenschliff, idealerweise für kleine Flächen, und für das Entrosten.These embodiments according to the invention allow this Machining weld seams are particularly suitable for Edge grinding, deburring, and surface grinding, ideally for small areas and for derusting.

Claims (9)

Schleifkörper (1) mit überlappenden Schleiflamellen (2), die beidseitig auf einem Trägerelement (3) fächerförmig angeordnet und befestigt sind und damit eine Schleiffläche (4) bilden, dadurch gekennzeichnet, dass die fächerförmige Schichtung der Schleiflamellen (2) auf den beiden Seiten des Trägerelementes (3) gegensinnig ist.Grinding wheel (1) with overlapping grinding flaps (2), the fan-shaped on both sides on a carrier element (3) are arranged and fastened and thus a grinding surface (4) form, characterized in that the fan-shaped layering of the grinding flaps (2) on the both sides of the support element (3) is in opposite directions. Schleifkörper (1) insbesondere mit überlappenden Schleifflamellen (2) nach Anspruch 1, die auf einem Trägerelement (3) fächerförmig zur Bildung einer Schleiffläche (4) zusammengefügt sind, dadurch gekennzeichnet, dass das Trägerelement (3) der Gesamtform der Schleiffläche (4) im wesentlichen entspricht, dass die Schleiflamellen (2) auf dem Trägerelement (3) befestigt sind und dass das Trägerelement (3) wenigstens eine Aussparung (5) aufweist, welche mit einer Befestigungsvorrichtung (6) zum Befestigen des Schleifkörpers (1) an einen Antriebsmotor lösbar in Eingriff bringbar ist.Abrasive wheel (1) in particular with overlapping Abrasive flaps (2) according to claim 1, which on a Support element (3) fan-shaped to form a Grinding surface (4) are joined together, characterized in that that the carrier element (3) of the overall shape of the Grinding surface (4) essentially corresponds to that Grinding flaps (2) attached to the carrier element (3) and that the carrier element (3) at least one Has recess (5), which with a fastening device (6) for attaching the grinding wheel (1) a drive motor is releasably engageable. Schleifkörper (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die durch die überlappenden Schleiflamellen (2) geformte Schleiffläche (4) und das Trägerelement (3) als Ring ausgebildet sind.Abrasive body (1) according to claim 1 or 2, characterized in that through the overlapping grinding flaps (2) shaped grinding surface (4) and the carrier element (3) are designed as a ring. Schleifkörper (1) nach Anspruch 2 oder 3 dadurch gekennzeichnet, dass der Schleifkörper (1) mit der Stirnseite (10) der Befestigungsvorrichtung (6) eine zusammenhängende Scheibe bildet.Abrasive body (1) according to claim 2 or 3, characterized in that the grinding body (1) with the end face (10) the fastening device (6) a coherent Disk forms. Schleifkörper (1) nach einem der Ansprüche 2 bis 4 dadurch gekennzeichnet, dass zusammen mit der Befestigungsvorrichtung (6) eine Schutzabdeckung (12) angebracht wird, welche die der Schleifmaschine zugewandte Seite des Schleifkörpers (9) vollständig abdeckt.Abrasive body (1) according to one of claims 2 to 4 thereby characterized that together with the fastening device (6) a protective cover (12) is attached which is the one facing the grinding machine Completely covers the side of the grinding wheel (9). Schleifkörper (1) nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass die Befestigungsvorrichtung (6) zweiteilig ist.Abrasive body (1) according to one of Claims 2 to 4, characterized in that the fastening device (6) is in two parts. Schleifkörper (1) nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass die Befestigungsvorrichtung (6) aus zwei miteinander lösbar verbundenen Halte-Elementen (7, 8) besteht, welche das Trägerelement (3) kraft- und/oder formschlüssig lösbar zwischen sich einschliessen, und wobei eines der beiden Halte-Elemente (7, 8) fest mit einer Schutzabdeckung 12 für eine Seite des Schleifkörpers (9) unlösbar verbunden ist.Abrasive body (1) according to one of Claims 2 to 4, characterized in that the fastening device (6) from two releasably connected holding elements (7, 8), which the carrier element (3) enclose non-positively and / or positively between them, and one of the two holding elements (7, 8) fixed with a protective cover 12 for one side the grinding wheel (9) is non-detachably connected. Befestigungsvorrichtung (6) für einen ringförmigen Schleifkörper (1) mit auf einem Trägerelement (3) beidseitig angeordneter Schleiffläche (4), gekennzeichnet durch zwei miteinander lösbar verbundene Halte-Elemente (7, 8), welche den Schleifring kraftschlüssig und/oder formschlüssig einschliessen, wobei eines der beiden Halte-Elemente (7, 8) mit einer Schutzabdeckung (12) für eine Seite des Schleifkörpers (9) unlösbar verbunden ist.Fastening device (6) for an annular Grinding body (1) with on both sides on a carrier element (3) arranged grinding surface (4), characterized through two detachably connected holding elements (7, 8) which frictionally and / or the slip ring form-fit, one of the two Holding elements (7, 8) with a protective cover (12) for one side of the grinding wheel (9) is non-detachably connected is. Befestigungsvorrichtung (6) für einen ringförmigen Schleifkörper (1) mit auf einem ringförmigen, eine Aussparung (5) aufweisenden Trägerelement (3) wenigstens einseitig angeordneter Schleiffläche (4) dadurch gekennzeichnet, dass die Befestigungsvorrichtung (6) als in der Aussparung (5) derart form- und/oder kraftschlüssig befestigbare Scheibe ausgebildet ist, dass der Schleifkörper (1) mit der Stirnseite (10) der Befestigungsvorrichtung (6) eine zusammenhängende Scheibe bildet.Fastening device (6) for an annular Grinding body (1) with an annular, a recess (5) having carrier element (3) at least one-sided grinding surface (4), that the fastening device (6) as in the recess (5) in such a positive and / or non-positive manner attachable disc is formed that the grinding wheel (1) with the end face (10) of the fastening device (6) forms a continuous disc.
EP98811026A 1997-10-24 1998-10-15 Grinding article and mounting device Expired - Lifetime EP0911116B1 (en)

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DE29824244U DE29824244U1 (en) 1997-10-24 1998-10-15 Grinding body and arrangement comprising a grinding body and a fastening device

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CH247597 1997-10-24
CH247597 1997-10-24
CH2475/97 1997-10-24

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WO2000038884A1 (en) * 1998-12-29 2000-07-06 C. Klingspor Gmbh Fan-folded abrasive disk
EP1266724A1 (en) * 2001-06-12 2002-12-18 sia Abrasives Industries AG Grinding disc, intermediate product and manufacturing method of such a grinding disc
EP1602429B1 (en) * 2004-06-02 2009-02-25 MV Marketing + Vertriebs-GmbH & Co. KG Wieländer + Schill Device and Method of separating welded joints

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WO2000038884A1 (en) * 1998-12-29 2000-07-06 C. Klingspor Gmbh Fan-folded abrasive disk
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EP0911116B1 (en) 2001-12-12
US6110027A (en) 2000-08-29
DE59802418D1 (en) 2002-01-24
ATE210538T1 (en) 2001-12-15
ES2172110T3 (en) 2002-09-16
PT911116E (en) 2002-05-31

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