EP1321233A1 - Grinding tool - Google Patents

Grinding tool Download PDF

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Publication number
EP1321233A1
EP1321233A1 EP02026052A EP02026052A EP1321233A1 EP 1321233 A1 EP1321233 A1 EP 1321233A1 EP 02026052 A EP02026052 A EP 02026052A EP 02026052 A EP02026052 A EP 02026052A EP 1321233 A1 EP1321233 A1 EP 1321233A1
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EP
European Patent Office
Prior art keywords
tool according
grinding tool
elements
grinding
pcd elements
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Granted
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EP02026052A
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German (de)
French (fr)
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EP1321233B1 (en
Inventor
Peter Schützeichel
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HTC Sweden AB
Original Assignee
SEELBACH WERKZEUGE GmbH
GERAETEBAU WIEDTAL SCHUETZEICH
Geratebau Wiedtal Schuetzeichel KG
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Application filed by SEELBACH WERKZEUGE GmbH, GERAETEBAU WIEDTAL SCHUETZEICH, Geratebau Wiedtal Schuetzeichel KG filed Critical SEELBACH WERKZEUGE GmbH
Priority to DE20220969U priority Critical patent/DE20220969U1/en
Publication of EP1321233A1 publication Critical patent/EP1321233A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10Single-purpose machines or devices
    • B24B7/18Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B24B7/186Single-purpose machines or devices for grinding floorings, walls, ceilings or the like with disc-type tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00Bonded 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
    • B24D7/06Bonded 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 with inserted abrasive blocks, e.g. segmental
    • B24D7/066Grinding blocks; their mountings or supports

Definitions

  • the invention relates to a grinding tool, in particular for Processing of mineral surfaces such as stone or Artificial stone floors, concrete or asphalt surfaces, also for removal of leveling compounds, adhesive residues or epoxy, with one rotatably driven carrier plate and at least one this arranged tool support element that with machining tools is equipped.
  • the PCD elements can be circular, semicircular or polygonal Have basic shape.
  • trapezoidal, square, rectangular, triangular or otherwise polygonal Forms conceivable that have different cutting behavior can and therefore also specifically for the soil to be worked or the like. can be selected to achieve the desired surface finish to obtain. If the aim is in one and the same A particularly clean surface of the machined Preserving space, it has proven to be advantageous in addition to the PCD elements on the tool support element To arrange diamond grinding elements.

Abstract

A grinding tool, especially for working mineral surfaces such as stone, concrete or asphalt, consists of a rotating, driven carrier plate and at least one tool carrier located on it. The tool (19) consists of polycrystalline diamond elements (21) which are located and fixed in pockets (18) in the carrier.

Description

Die Erfindung betrifft ein Schleifwerkzeug insbesondere zur Bearbeitung von mineralischen Oberflächen wie Stein- oder Kunststeinböden, Beton- oder Asphaltflächen, auch zum Entfernen von Spachtelmassen, Klebstoffresten oder Epoxy, mit einer rotierend antreibbaren Trägerplatte und mindestens einem an dieser angeordneten Werkzeugtragelement, das mit Bearbeitungswerkzeugen bestückt ist.The invention relates to a grinding tool, in particular for Processing of mineral surfaces such as stone or Artificial stone floors, concrete or asphalt surfaces, also for removal of leveling compounds, adhesive residues or epoxy, with one rotatably driven carrier plate and at least one this arranged tool support element that with machining tools is equipped.

Zum Glätten von mineralischen Flächen, beispielsweise von Beton- oder Asphaltestrichen oder zum Schleifen von Kunst- oder Natursteinböden werden Schleif- und Poliermaschinen eingesetzt, die mit einem oder mehreren tellerförmigen, von einem kräftigen Antriebsmotor rotierend angetriebenen Schleifwerkzeug(en) mit zugehöriger Trägerplatte versehen sind. Die an der Trägerplatte mit Werkzeugtragelementen befestigten Bearbeitungswerkzeuge tragen bei der Rotation des Schleifwerkzeugs bzw. dessen Trägerplatte die oberste Schicht der zu behandelnden Fläche ab und ebnen diese in der gewünschten Weise ein bzw. sorgen für eine glatte, unter Umständen sogar polierte Oberfläche.For smoothing mineral surfaces, e.g. concrete or asphalt screeds or for sanding artificial or Natural stone floors are used for grinding and polishing machines, those with one or more plate-shaped, by one powerful drive motor rotating driven grinding tool (s) are provided with the associated carrier plate. The on machining tools fastened to the carrier plate with tool carrier elements contribute to the rotation of the grinding tool or its carrier plate the top layer of the to be treated Surface and level it in the desired way or ensure a smooth, possibly even polished Surface.

Die bei den bekannten Schleifwerkzeugen dieser Art bislang zum Einsatz kommenden Bearbeitungswerkzeuge bestehen aus Diamant oder Sinterwerkstoffen, die das zu bearbeitende Stein-, Asphalt-, Beton-, Epoxy- oder Kunststeinmaterial zerreiben, was beim Schleifvorgang eine verhältnismäßig große Staubentwicklung zur Folge hat. Aus diesem Grund müssen die eingesetzten Schleifmaschinen regelmäßig mit verhältnismäßig aufwendigen Absauganlagen sowie auch mit Wasseraufbereitungsanlagen für den Naßschliff ausgerüstet sein, die es erlauben den anfallenden Staub unmittelbar bei seinem Anfall zu binden und abzuführen.So far in the known grinding tools of this type The coming machining tools are made of diamond or sintered materials that process the stone, asphalt, Concrete, epoxy or artificial stone material grind what a relatively large amount of dust during the grinding process has the consequence. For this reason, the used Grinding machines regularly with relatively complex Suction systems as well as with water treatment systems for be equipped with the wet grinding, which allow the accumulating Bind and remove dust immediately when it is generated.

Als besonders' nachteilig hat sich bei den bekannten, zum Einsatz kommenden Bearbeitungswerkzeugen deren bei manchen der zu bearbeitenden Flächenmaterialien die verhältnismäßig geringe Standzeit erwiesen, nach der die Werkzeuge bereits ausgetauscht werden müssen. Je nach Art der zu schleifenden Fläche sind auch die erreichbaren Schnittleistungen verhältnismäßig gering. Insbesondere bei großen, zu bearbeitenden Flächen werden die gesamten Bearbeitungszeiten mit den bekannten, zum Einsatz kommenden Werkzeugen sehr lang und damit für Bauherren entsprechend teuer.Has been used as a particular 'disadvantage in the known upcoming machining tools which some of the processing surface materials the relatively low Service life after which the tools have already been replaced Need to become. Depending on the type of surface to be sanded the achievable cutting capacities are also proportional low. Especially with large areas to be processed the total processing times with the known, to The tools coming in are very long and therefore suitable for builders accordingly expensive.

Aufgabe der Erfindung ist es, ein Schleifwerkzeug der eingangs genannten Art zur Verfügung zu stellen, mit dem bei der Bearbeitung von insbesondere mineralischen Flächen wie beispielsweise Steinfußböden oder Betonestrichen, aber auch bei demgegenüber vergleichsweise "weichen" Oberflächen wie Gußasphalt, Asphalt oder kunstharzgebundenen Terrazzoböden, Spachtelmasse, Klebstoffresten, Epoxy usw. neben einer hohen Genauigkeit auch eine höhere Schnittleistung und bessere Standzeit der Werkzeuge erreicht wird. Darüber hinaus soll mit der Erfindung möglichst auch die bei der Bearbeitung auftretende Staubentwicklung verringert werden.The object of the invention is a grinding tool of the beginning to provide the type mentioned, with which during processing of in particular mineral areas such as Stone floors or concrete screeds, but also in contrast comparatively "soft" surfaces such as mastic asphalt, Asphalt or resin-bonded terrazzo floors, leveling compound, Adhesive residues, epoxy, etc. in addition to high accuracy higher cutting performance and better tool life is achieved. In addition, the invention is intended as possible also the dust development that occurs during processing be reduced.

Diese Aufgabe wird mit der Erfindung dadurch gelöst, daß die Bearbeitungswerkzeuge aus PKD-Elementen (Polykristalliner-Diamant) bestehen, die in am Werkzeugtragelement ausgebildeten Aufnahmetaschen aufgenommen und befestigt sind. This object is achieved with the invention in that the Machining tools made of PCD elements (polycrystalline diamond) exist in the trained on the tool support member Recording pockets are recorded and attached.

Diese Ausgestaltung hat den Vorteil, daß die aus polykristallinem Diamant bestehenden Elemente bzw. die diese bildenden, mit polykristallinem Diamant beschichteten Hartmetallplatten eine gegenüber den bekannten Bearbeitungswerkzeugen erheblich verbesserte Standzeit aufweisen, die um einen Faktor 10 höher liegen kann als die von reinen Diamantwerkzeugen oder gesinterten Schleifwerkzeugen. Es wird angenommen, daß diese längere Standzeit auf die Kombination einer extrem harten, im wesentlichen von dem polykristallinen Diamant gebildeten Oberfläche der erfindungsgemäß zum Einsatz kommenden Werkzeuge und deren demgegenüber vergleichsweise zähen Kern aus Hartmetall bzw. der Matrix aus Kobalt oder anderem Sintermetall zurückzuführen ist, worin die PKD-Teile eingebettet sind. Diese besonders vorteilhafte Paarung bewirkt offenbar auch, daß das zu bearbeitende Material während des Schleifvorgangs nicht oder jedenfalls nicht nennenswert zerrieben wird, sondern es tatsächlich zu einer Zerspanung kommt, die im allgemeinen mit nur geringer Staubentwicklung einhergeht.This configuration has the advantage that the polycrystalline Diamond elements or the elements that form them carbide plates coated with polycrystalline diamond one compared to the known processing tools considerably have improved service life, which is a factor of 10 higher can lie than that of pure diamond tools or sintered Grinding tools. It is believed that this is longer Tool life on the combination of an extremely hard, essentially surface formed by the polycrystalline diamond the tools used according to the invention and their comparatively tough core made of hard metal or the matrix of cobalt or other sintered metal is where the PCD parts are embedded. This especially advantageous pairing apparently also causes that to processing material during the grinding process or in any case not significantly grated, but actually to a cutting, which generally only with less dust is associated.

Die PKD-Elemente sind vorzugsweise unter einem Winkel von 10-55° relativ zur Umfangsrichtung der Trägerplatte angeordnet, wobei hier die Winkelstellung an die Art des zu bearbeitenden Werkstoffes angepaßt werden kann, um die Zerspanungsleistung und ggf. auch die Spanform zu optimieren. Das Werkzeugtragelement kann in seiner Winkelstellung relativ zur Trägerplatte einstellbar an dieser angeordnet sein; gleichsam ist es auch möglich, die am Werkzeugtragelement angeordneten, die PKD-Bearbeitungswerkzeugelemente aufnehmenden Aufnahmetaschen in ihrer Lage relativ zum Tragelement einstellbar auszugestalten.The PCD elements are preferably at an angle of 10-55 ° arranged relative to the circumferential direction of the carrier plate, where here the angular position to the type of to be machined Material can be adjusted to the cutting performance and possibly also optimize the chip shape. The tool support element can be in its angular position relative to the support plate adjustable to be arranged on this; it is as it were possible, the PCD machining tool elements arranged on the tool support element receiving pockets in their position relative to the support element adjustable.

In vorteilhafter Weiterbildung der Erfindung ist es auch möglich, die PKD-Elemente unter einem Spanwinkel von 40 bis 85° zur Trägerplatte anzuordnen, um den Zerspanungsvorgang weiter zu begünstigen. In an advantageous development of the invention, it is also possible the PCD elements at a rake angle of 40 to 85 ° to the carrier plate to continue the machining process to favor.

Die PKD-Elemente können eine kreis-, halbkreis- oder mehreckförmige Grundform haben. Insbesondere sind hier trapezförmige, quadratische, rechteckige, dreieckige oder sonstwie polygonale Formen denkbar, die unterschiedliche Zerspanungsverhalten haben können und somit auch gezielt für dem zu bearbeitenden Boden o.dgl. ausgewählt werden können, um die gewünschte Oberflächengüte zu erhalten. Wenn angestrebt wird, in ein und demselben Arbeitsgang eine besonders saubere Oberfläche der bearbeiteten Fläche zu erhalten, hat es sich als vorteilhaft erwiesen, zusätzlich zu den PKD-Elementen am Werkzeugtragelement Diamantschleifelemente anzuordnen.The PCD elements can be circular, semicircular or polygonal Have basic shape. In particular, trapezoidal, square, rectangular, triangular or otherwise polygonal Forms conceivable that have different cutting behavior can and therefore also specifically for the soil to be worked or the like. can be selected to achieve the desired surface finish to obtain. If the aim is in one and the same A particularly clean surface of the machined Preserving space, it has proven to be advantageous in addition to the PCD elements on the tool support element To arrange diamond grinding elements.

Die PKD-Elemente sind in ihren Aufnahmetaschen vorzugsweise mittels einer Hartlotverbindung befestigt, womit ein sehr sicherer Sitz gewährleistet und wirksam verhindert wird, daß die PKD-Platten sich in ihren Aufnahmetaschen lösen und aus diesen herausfallen können. Es ist aber auch denkbar, die PKD-Elemente mit Schraubverbindungen in ihren Aufnahmetaschen zu arretierenThe PCD elements are preferred in their pockets attached using a braze joint, making it a very secure Seat is guaranteed and effectively prevented PCD plates come loose in and out of their pockets can fall out. But it is also conceivable for the PKD elements with screw connections in their pockets lock

Es ist möglich, mehrere PKD-Elemente verschiedener geometrischer Grundform am selben Werkzeugtragelement anzuordnen, so daß unterschiedliche Zerspanungsverhalten beim selben Schleifdurchgang an der Oberfläche der bearbeiteten Fläche zur Anwendung kommen. Ebenso ist es auch möglich, PKD-Elemente verschiedener geometrischer Grundform an verschiedenen, an der Trägerplatte vorgesehenen Werkzeugtragelementen anzuordnen.It is possible to have several PCD elements of different geometrical Arrange basic shape on the same tool support element, see above that different cutting behavior during the same grinding pass applied to the surface of the machined surface come. It is also possible to use different PKD elements basic geometric shape on different, on the To arrange the support plate provided tool support elements.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung und der Zeichnung, worin bevorzugte Ausführungsformen der Erfindung an Beispielen näher erläutert sind. Es zeigt:

Fig.1
ein Schleifwerkzeug nach der Erfindung in einer perspektivischen Ansicht von schräg unten;
Fig.2
ein Werkzeugtragelement des Schleifwerkzeuges nach Fig.1, ebenfalls in perspektivischer Darstellung;
Fig.3
den Gegenstand der Fig.2 in einer Unteransicht; und
Fig.4
eine zweite Ausführungsform des Werkzeugtragelements in einer Fig.3 entsprechenden Darstellung.
Further features and advantages of the invention result from the following description and the drawing, in which preferred embodiments of the invention are explained in more detail by means of examples. It shows:
Fig.1
a grinding tool according to the invention in a perspective view obliquely from below;
Fig.2
a tool support element of the grinding tool according to Figure 1, also in perspective;
Figure 3
the object of Figure 2 in a bottom view; and
Figure 4
a second embodiment of the tool support element in a representation corresponding to Figure 3.

Das in der Zeichnung dargestellt, in seiner Gesamtheit mit 10 bezeichnete Schleifwerkzeug ist Bestandteil einer in der Zeichnung nicht näher dargestellten Bodenschleifmaschine, die zum Abschleifen von Estrichen, Steinfußböden, Asphaltflächen oder dergleichen bzw. zum Entfernen von Klebstoffresten, Spachtelmasse oder Epoxy von solchen Flächen eingesetzt werden kann.That shown in the drawing, in its entirety with 10 designated grinding tool is part of one in the Drawing floor grinding machine, not shown, the for sanding screeds, stone floors, asphalt surfaces or the like or for removing adhesive residues, Putty or epoxy from such surfaces can be used can.

Das Schleifwerkzeug 10 besteht im wesentlichen aus einer Trägerplatte 11, die mit einer zentrischen Ausnehmung 12 versehen ist, mit der sie fest an der (nicht dargestellten) Antriebswelle der Schleifmaschine angeschlossen ist. An der Unterseite 13 der Trägerplatte 11 ist diese mit drei oder mehreren gleichmäßig über den Umfang verteilt angeordneten Werkzeugtragelementen 14 versehen, die mittels Befestigungsschrauben fest, aber lösbar an der Trägerplatte 11 angeschlossen sind. Diese Segmente können auch direkt (löten, schrauben, kleben oder ansintern) auf die Trägerplatte aufgebracht werden.The grinding tool 10 consists essentially of a carrier plate 11, which are provided with a central recess 12 with which it is fixed to the (not shown) drive shaft the grinding machine is connected. On the bottom 13 of the carrier plate 11 is this with three or more Tool support elements evenly distributed over the circumference 14 provided by means of fastening screws fixed but releasably connected to the support plate 11. These segments can also directly (solder, screw, glue or sinter) are applied to the carrier plate.

Die Werkzeugtragelemente 14 wiederum weisen an ihrer Unterseite 15 je ein Diamantschleifelement 16 in Form eines angesinterten, etwa quaderförmigen Blockes sowie eine Aufnahmeleiste 17 mit mehreren Aufnahmetaschen 18 auf, in denen Bearbeitungswerkzeuge 19 formschlüssig aufgenommen und durch eine Hartlotverbindung fest mit der sie umgebenden Aufnahmeleiste verbunden sind. Dabei ist die Anordnung so getroffen, daß die Bearbeitungswerkzeuge 19 (PKD) mit ihren aus eigentlichen Schneidkanten 20 aus den Aufnahmetaschen herausragen.The tool support elements 14 in turn have on their underside 15 each have a diamond grinding element 16 in the form of a sintered about block-shaped block and a receiving bar 17 with several receiving pockets 18, in which processing tools 19 positively received and by a Brazing solder connection firmly with the surrounding mounting strip are connected. The arrangement is such that the Machining tools 19 (PCD) with their actual Protect cutting edges 20 from the receiving pockets.

Die Bearbeitungswerkzeuge 19 bestehen bei einer bevorzugten Ausführungsform aus Hartmetallelementen 21, die an ihrer Oberfläche zumindest im Bereich der Schneidkanten mit einer Schicht 22 aus polykristallinem Diamant (PKD) versehen sind, die an die Hartmetalloberfläche in geeigneter Weise angesintert ist. Alternativ können in einer anderen bevorzugten Ausführungsform die Bearbeitungswerkzeuge auch durchgängig aus polykristallinem Diamant bestehen, d.h. aus PKD-Splittern oder anderen geometrischen PKD-Teilen, die in eine geeignete Matrix aus Kobalt oder einem anderen Sintermetall eingebunden sind, wie dies an sich bekannt ist. Die Hartmetall- bzw. PKD-Elemente 21 können verschiedene geometrische Formen aufweisen, beispielsweise wie in Fig.2 erkennbar rund, trapezförmig und/oder dreieckig ausgestaltet sein. Als vorteilhaft hat sich hier auch eine sechseckige Form erwiesen, die aus den geometrischen Grundformen eines Rechtecks bzw. Quadrats und eines Trapezes zusammengesetzt ist und die auch als sargförmig bezeichnet werden kann.The machining tools 19 exist in a preferred one Embodiment made of hard metal elements 21, the surface at least in the area of the cutting edges Layer 22 of polycrystalline diamond (PCD) are provided, which are sintered to the hard metal surface in a suitable manner is. Alternatively, in another preferred embodiment the processing tools also consistently polycrystalline diamond, i.e. from PCD splinters or other geometrical PCD parts that fit into a suitable matrix made of cobalt or another sintered metal, as is known in itself. The hard metal or PCD elements 21 can have different geometric shapes, for example, as can be seen in FIG. 2, round, trapezoidal and / or be triangular. Has proven to be beneficial here also a hexagonal shape, which results from the geometric Basic shapes of a rectangle or square and one Trapezes is composed and which is also called coffin-shaped can be.

Die Aufnahmeleiste ist bei an der Trägerplatte montierten Werkzeugtragelement bei dem in Fig.2 und 3 illustrierten Ausführungsbeispiel so angeordnet, daß sie sich in unmittelbarer Nähe des äußeren Randes der Trägerplatte 11 befindet. Die in ihr angeordneten Aufnahmetaschen oder -nuten 18 sind unter einem Winkel γ zur Umfangs- oder Tangentialrichtung t der Trägerplatte 11 angeordnet, der bei dem ersten Ausführungsbeispiel ca. 15° beträgt. Daneben sind die Aufnahmetaschen auch schräg zur Trägerplatte geneigt angeordnet unter einem Winkel α, der zwischen 40 und 85° betragen kann und der bei dem gezeigten Beispiel eine Größe von etwa 80° hat.In the case of the exemplary embodiment illustrated in FIGS. 2 and 3, the receiving bar is arranged in the tool support element mounted on the support plate in such a way that it is located in the immediate vicinity of the outer edge of the support plate 11. The receiving pockets or grooves 18 arranged in it are arranged at an angle γ to the circumferential or tangential direction t of the carrier plate 11, which is approximately 15 ° in the first exemplary embodiment. In addition, the receiving pockets are also inclined to the support plate at an angle α, which can be between 40 and 85 ° and which has a size of about 80 ° in the example shown.

Bei der zweiten, in Fig.4 gezeigten Ausführungsform hat die Aufnahmeleiste 17 eine nahezu radiale Ausrichtung, d.h. sie weist etwa in Richtung des Mittelpunktes der Trägerplatte 11. Die Aufnahmetaschen 18 schließen bei dieser Ausführungsform mit der Tangentialrichtung t der Trägerplatte einen Winkel γ ein, der erheblich größer ist als bei der ersten Ausführungsform und der ca. 80° beträgt.In the second embodiment shown in FIG. 4, the receiving strip 17 has an almost radial orientation, ie it points approximately in the direction of the center of the carrier plate 11. The receiving pockets 18 in this embodiment form an angle γ with the tangential direction t of the carrier plate is considerably larger than in the first embodiment and is approximately 80 °.

Die erfindungsgemäß als Bearbeitungswerkzeuge zum Einsatz kommenden Hartmetallelemente mit PKD-Beschichtung bzw. die PKD-Vollelemente haben gegenüber den bislang für derartige Schleifmaschinen eingesetzten Werkzeugen eine deutlich höhere Schnittleistung und einer erheblich längere Standzeit, die je nach Art des zu bearbeitenden Bodens leicht um einen Faktor 10 über den Lebenserwartungen bekannter, zu diesem Zweck bisher eingesetzter Werkzeuge liegen kann. Man nimmt an, daß die längere Standzeit und die bessere Schnittleistung darauf zurückzuführen ist, daß die in ihrem Kern bzw. ihrer Matrix vergleichsweise zähen Bearbeitungswerkzeuge nach der Erfindung den zu bearbeitenden Beton, Asphalt, Natur- oder Kunststein bzw. darauf befindliche Klebstoffreste oder Epoxy mit ihren extrem harten PKD-Bestandteilen nicht wie die bisher eingesetzten Werkzeuge zerreiben, sondern spanend abtragen, was auch den angenehmen Effekt hat, daß die Staubentwicklung beim Arbeiten mit den erfindungsgemäßen Werkzeugen erheblich geringer ist als mit den bislang eingesetzten Schleifwerkzeugen.Those used according to the invention as processing tools Carbide elements with PCD coating or the full PCD elements have compared to those for such Tools used grinding machines a significantly higher Cutting performance and a significantly longer tool life, each depending on the type of soil to be worked, by a factor of 10 more known about life expectancy for this purpose so far used tools may lie. It is believed that the longer one Tool life and better cutting performance is that the core or its matrix is comparative tough machining tools according to the invention the concrete, asphalt, natural or artificial stone to be processed or adhesive residues or epoxy with their extremely hard PCD components not like those previously used Grind tools, but remove what also has the pleasant effect that the dust development when Working with the tools according to the invention considerably less than with the grinding tools used up to now.

Die Erfindung ist nicht auf das beschriebene und dargestellte Ausführungsbeispiel beschränkt, sondern es sind verschiedene Änderungen und Ergänzungen denkbar, ohne den Rahmen der Erfindung zu verlassen. Die Bearbeitungswerkzeuge können beispielsweise auch andere geometrische Formen haben, beispielsweise quadratisch, rechteckig oder elliptisch sein. Werkzeuge gleicher geometrische Grundform können, ggf. auch in verschiedenen Größenabstufungen, an ein- und derselben Werkzeugtragplatte angeordnet sein, und zwar falls gewünscht auch in mehr als lediglich einer Aufnahmeleiste. Auf das Diamantschleifelement, das beim Schleifprozeß für eine besonders saubere Oberfläche der bearbeiteten Fläche sorgt, kann bei geringeren Anforderungen an die zu erzielende Oberflächengüte auch verzichtet werden.The invention is not based on that described and illustrated Embodiment limited, but there are different Changes and additions conceivable without the scope of the invention to leave. The editing tools can, for example also have other geometric shapes, for example be square, rectangular or elliptical. Tools of the same geometric basic shape can, if necessary also in different Size gradations, on one and the same tool support plate be arranged, if desired in more than just a mounting bar. On the diamond grinding element, the grinding process for a particularly clean surface the machined area can cater for lower requirements the surface quality to be achieved can also be dispensed with.

Claims (11)

Schleifwerkzeug insbesondere zur Bearbeitung von mineralischen Oberflächen wie Stein- oder Kunststeinböden, Betonoder Asphaltflächen, auch zum Entfernen von Spachtelmasse, Klebstoffresten oder Epoxy, mit einer rotierend antreibbaren Trägerplatte und mindestens einem an dieser angeordneten Werkzeugtragelement, das mit Bearbeitungswerkzeugen bestückt ist, dadurch gekennzeichnet, daß die Bearbeitungswerkzeuge (19) aus PKD-Elementen (21) (Polykristalliner Diamant) bestehen, die in am Werkzeugtragelement (14) ausgebildeten Aufnahmetaschen (18) aufgenommen und befestigt sind.Abrasive tool, in particular for processing mineral surfaces such as stone or artificial stone floors, concrete or asphalt surfaces, also for removing filler, adhesive residues or epoxy, with a rotatably drivable carrier plate and at least one tool carrier element arranged thereon, which is equipped with processing tools, characterized in that the Machining tools (19) consist of PCD elements (21) (polycrystalline diamond) which are received and fastened in receiving pockets (18) formed on the tool carrier element (14). Schleifwerkzeug nach Anspruch 1, dadurch gekennzeichnet, d a ß die PKD-Elemente aus mit einer Schicht (22) aus polykristallinem Diamant versehenen Hartmetallelementen (21) bestehen.Grinding tool according to claim 1, characterized in that the PCD elements consist of hard metal elements (21) provided with a layer (22) of polycrystalline diamond. Schleifwerkzeug nach Anspruch 1 oder 2, dadurch gekennzeichnet , d a ß die PKD-Elemente (21) unter einem Winkel (γ) von 10-45° relativ zur Umfangsrichtung (t) der Trägerplatte (11) angeordnet sind.Grinding tool according to claim 1 or 2, characterized in that the PCD elements (21) are arranged at an angle (γ) of 10-45 ° relative to the circumferential direction (t) of the carrier plate (11). Schleifwerkzeug nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die PKD-Elemente (21) unter einem Spanwinkel von 40 bis 85° zur Trägerplatte (11) geneigt angeordnet sind.Grinding tool according to one of claims 1 to 3, characterized in that the PCD elements (21) are arranged inclined at a rake angle of 40 to 85 ° to the carrier plate (11). Schleifwerkzeug nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Werkzeugtragelement (14) in seiner Winkelstellung relativ zur Trägerplatte (11) einstellbar an dieser angeordnet ist. Grinding tool according to one of claims 1 to 4, characterized in that the tool support element (14) is arranged on the support plate (11) in an angular position relative to the support plate. Schleifwerkzeug nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die am Werkzeugtragelement (14) angeordneten, die PKD-Elemente (21) aufnehmenden Aufnahmetaschen (18) in ihrer Lage relativ zum Tragelement (11) einstellbar sind.Grinding tool according to one of claims 1 to 5, characterized in that the position of the receiving pockets (18) arranged on the tool carrier element (14) and receiving the PCD elements (21) can be adjusted in relation to the carrier element (11). Schleifwerkzeug nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die PKD-Elemente (21) eine kreis-, halbkreis- oder mehreckförmige Grundform haben.Grinding tool according to one of claims 1 to 6, characterized in that the PCD elements (21) have a circular, semicircular or polygonal basic shape. Schleifwerkzeug nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß zusätzlich zu den PKD-Elementen (21) am Werkzeugtragelement (14) mindestens ein Diamantschleifelement (16) angeordnet ist.Grinding tool according to one of claims 1 to 7, characterized in that at least one diamond grinding element (16) is arranged on the tool support element (14) in addition to the PCD elements (21). Schleifwerkzeug nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die PKD-Elemente (21) in ihren Aufnahmetaschen (18) mittels einer Hartlotverbindung oder Schraubverbindung befestigt sind.Grinding tool according to one of claims 1 to 8, characterized in that the PCD elements (21) are fastened in their receiving pockets (18) by means of a hard solder connection or screw connection. Schleifwerkzeug nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß mehrere PKD-Elemente (21) verschiedener geometrischer Grundform am selben Werkzeugtragelement (18) angeordnet sind.Grinding tool according to one of claims 1 to 9, characterized in that several PCD elements (21) of different geometrical basic shape are arranged on the same tool support element (18). Schleifwerkzeug nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß PKD-Elemente (21) verschiedener geometrischer Grundform an verschiedenen, an der Trägerplatte (11) vorgesehenen Werkzeugtragelementen (14) angeordnet sind.Grinding tool according to one of claims 1 to 10, characterized in that PCD elements (21) of different geometric basic shape are arranged on different tool support elements (14) provided on the carrier plate (11).
EP02026052A 2001-12-12 2002-11-22 Grinding tool Expired - Lifetime EP1321233B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20220969U DE20220969U1 (en) 2001-12-12 2002-11-22 Tool holder for machining mineral surfaces e.g. stone floors fits on rotary drive support plate and is fitted with machining tool made from polycrystalline diamond set in socket on tool holder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20120137U DE20120137U1 (en) 2001-12-12 2001-12-12 grinding tool
DE20120137U 2001-12-12

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EP1321233A1 true EP1321233A1 (en) 2003-06-25
EP1321233B1 EP1321233B1 (en) 2007-04-25

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EP (1) EP1321233B1 (en)
AT (1) ATE360504T1 (en)
DE (2) DE20120137U1 (en)
DK (1) DK1321233T3 (en)
ES (1) ES2286191T3 (en)

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EP1661666A1 (en) 2004-11-29 2006-05-31 Htc Sweden Ab Holder plate supporting grinding elements
EP1844900A1 (en) * 2006-04-10 2007-10-17 Toolpower GmbH Tool for machining surfaces of natural or artificial stone
EP1955809A1 (en) * 2007-02-12 2008-08-13 HTC Sweden AB Tool for machining stone or concrete floors
EP1985876A1 (en) 2007-04-23 2008-10-29 HTC Sweden AB Grinding holder in a machining device
DE202008015415U1 (en) 2007-11-20 2009-02-19 Htc Sweden Ab grinding tool
DE202009018168U1 (en) 2009-02-10 2011-04-21 Bigu Terrazzo Gmbh Grinding and milling tool with a polycrystalline diamond composite for natural and artificial stone
JP2013533126A (en) * 2010-06-23 2013-08-22 プーフエッガー ウント バイシュタイナー パーケット グロース ウント アインツェルハンデルス ゲゼルシャフト ミット ベシュレンクテル ハフツング Grinding tool that simultaneously grinds and grinds the floor
DE102022127660A1 (en) 2022-10-20 2024-04-25 Schwamborn Gerätebau Gmbh Tool segment, grinding tool and grinding machine

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Publication number Priority date Publication date Assignee Title
EP1661666A1 (en) 2004-11-29 2006-05-31 Htc Sweden Ab Holder plate supporting grinding elements
EP1844900A1 (en) * 2006-04-10 2007-10-17 Toolpower GmbH Tool for machining surfaces of natural or artificial stone
EP1955809A1 (en) * 2007-02-12 2008-08-13 HTC Sweden AB Tool for machining stone or concrete floors
EP1985876A1 (en) 2007-04-23 2008-10-29 HTC Sweden AB Grinding holder in a machining device
US8475235B2 (en) 2007-04-23 2013-07-02 Htc Sweden Ab Grinding holder in a machining device
DE202008015415U1 (en) 2007-11-20 2009-02-19 Htc Sweden Ab grinding tool
DE202009018168U1 (en) 2009-02-10 2011-04-21 Bigu Terrazzo Gmbh Grinding and milling tool with a polycrystalline diamond composite for natural and artificial stone
JP2013533126A (en) * 2010-06-23 2013-08-22 プーフエッガー ウント バイシュタイナー パーケット グロース ウント アインツェルハンデルス ゲゼルシャフト ミット ベシュレンクテル ハフツング Grinding tool that simultaneously grinds and grinds the floor
DE102022127660A1 (en) 2022-10-20 2024-04-25 Schwamborn Gerätebau Gmbh Tool segment, grinding tool and grinding machine

Also Published As

Publication number Publication date
EP1321233B1 (en) 2007-04-25
DE50210023D1 (en) 2007-06-06
ATE360504T1 (en) 2007-05-15
ES2286191T3 (en) 2007-12-01
DK1321233T3 (en) 2007-09-17
DE20120137U1 (en) 2002-02-28

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