EP1099524A2 - Cutting blade having through holes extending in spiral arrays - Google Patents

Cutting blade having through holes extending in spiral arrays Download PDF

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Publication number
EP1099524A2
EP1099524A2 EP00107378A EP00107378A EP1099524A2 EP 1099524 A2 EP1099524 A2 EP 1099524A2 EP 00107378 A EP00107378 A EP 00107378A EP 00107378 A EP00107378 A EP 00107378A EP 1099524 A2 EP1099524 A2 EP 1099524A2
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EP
European Patent Office
Prior art keywords
cutting
disc
spiral
openings
cutting disc
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
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EP00107378A
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German (de)
French (fr)
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EP1099524B2 (en
EP1099524B1 (en
EP1099524A3 (en
Inventor
Johann Dietmair
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DIEWE-Diamantwerkzeuge GmbH
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DIEWE-Diamantwerkzeuge GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/12—Saw-blades or saw-discs specially adapted for working stone
    • B28D1/121—Circular saw blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
    • B23D61/02—Circular saw blades
    • B23D61/025—Details of saw blade body

Definitions

  • the invention relates to a cutting disc with the features in the preamble of the main claim.
  • Such a cutting disc is known from EP-A-0 836 903 known. It is a diamond disc for cutting Stones, concrete and other hard handicrafts designed and has a rotationally driven Disc body with several cutting segments on Outer circumference.
  • the inside of the window body has one Variety of breakthroughs that are different Can have shapes.
  • the breakthroughs are in a regular geometric grid on the Distributed disc area. Here they are either in rings arranged centrally to the central disk axis or arranged in biaxial linear geometric grids.
  • the invention solves this problem with the features in the main claim.
  • the spiral or vortex-shaped arrangement of the openings has advantages in the heat dissipation and in the noise development of the rotating cutting disc.
  • the arrangement of the openings in side-by-side spiral lines, which bulge in particular in the direction of rotation of the cutting disc, ensures a particularly quiet cutting disc with optimal air cooling.
  • the cutting disc is therefore dry cut.
  • the cutting disc works with a grinding Removal and is suitable for different, hard Materials, e.g. for concrete with and without reinforcement, for Roof tiles, for hard and medium hard clinker, for Washed concrete and for general construction material.
  • the cutting disc (1) shown in Figures 1 and 2 is preferably designed as a so-called diamond disc and serves to cut and cut hard materials, like stone, concrete or the like.
  • the cutting disc (1) can in a suitable manner about its central axis (2) in Drive direction of rotation (11) rotationally and carries in Cut off the material.
  • the cutting disc (1) can be used for dry cutting, is suitable but also for wet cutting.
  • the cutting disc (1) has a cylindrical one Disc body (4), one on its outer circumference (14) Cutting ring (13) carries.
  • the cutting disc is in the center (1) a preferably circular receiving opening (12) for Attachment to a drivable shaft or the like.
  • the disc body (4) has a variety of Openings (5) with a preferably circular one or cylindrical shape.
  • the openings (5) are with mutual distance evenly distributed and in one Spiral shape (6) or vortex shape on the disc body (4) arranged.
  • the spiral shape (6) can vary be trained.
  • the Breakthroughs (5) a variety of similar Spiral lines (7) from the area of the disc center axis (2) go out and to the outer edge (14) of the Extend the disc body (4).
  • the spiral lines (7) are in the circumferential direction side by side with regular Distribution arranged.
  • the internal openings (5) of the spiral lines (7) form one with the other Central axis (2) concentric inner bolt circle (8). Of this the spiral lines (7) go out.
  • the mutual distances of the spiral lines (7) in the circumferential direction change with the radial distance. They are the smallest at the bolt circle (8) and enlarge up to the outer edge (14) of the disk body (4).
  • the annular cutting ring (13) preferably consists of several cutting segments regularly distributed in a circle (3), with appropriate cutting edges and Cutting surfaces are equipped and in each other Are circumferential distance. Your end faces in The circumferential direction is chamfered.
  • the cutting segments (3) are thicker than the disc body (4) and stand on both sides.
  • the cutting segments (3) act as Abrasives and are with abrasive particles, e.g. Diamond granules, corundum or the like.
  • the cutting segments (3) can be made from a suitable other material than the disc body (4) and are with the outer edge (14) by a Welded connection (10), preferably one Laser welded connection, or in any other suitable way firmly connected.
  • the cutting segments have in the foot area (3) at their transition points from one to the other Segment one outwards against the direction of rotation (11) opening undercut (9) into the Edge area of the disc body (4) protrudes and there on End in a somewhat widened and essentially circular opening passes over.
  • the spiral lines (7) are preferably in the same number like the cutting segments (3) and such arranged that each spiral line (7) with its outer Opening (5) on the edge of the disc body between the adjacent undercuts (9) ends.
  • each spiral line (7) with its outer Opening (5) on the edge of the disc body between the adjacent undercuts (9) ends At a practical embodiment with 230 mm disc diameter are e.g. sixteen spiral lines (7) and a corresponding number Cutting segments (3) available.
  • the single spiral line (7) can be about ten to twelve evenly spaced Openings (5) with a diameter of approx. 5 mm.
  • the numerical values mentioned are examples and can fluctuate up and down. In particular has a cutting disc (1) with a smaller diameter correspondingly lower number of spiral lines (7) and Breakthroughs (5).
  • the spiral lines (7) are preferably in the direction of rotation (11) the cutting disc (1) bulged or bulged. she pass over an angle "a" of each approx. 50 ° to 60 °.
  • the angles of curvature of the spiral lines (7) can also be chosen differently depend in particular on the disc diameter.
  • the openings (5) ensure the cutting operation of the rotating cutting disc (1) for swirling the surrounding air. On the one hand, this means that at the Cutting disc (1) from the heat generated by the cutting work released to the ambient air and discharged.
  • the Spiral shape (6) of the openings (5) and in particular the special design of Figures 1 and 2 ensure this for a particularly good heat dissipation, on the other hand the noise caused by the air turbulence the rotating cutting disc (1) can be minimized. In addition result from the transparency of the company rotating cutting disc (1) Control options for the operator.
  • Variations of the embodiment shown are in FIG possible in different ways. On the one hand, they can Cutting segments (3) formed in any other way and be arranged. Likewise, the spiral shape (6) vary. On the one hand, this applies to the number, Arrangement and formation of the spiral lines (7) and on the other hand with regard to the angle of curvature individual spiral lines.
  • the shape of the is also variable Openings (5) instead of a circular one Cross-sectional shape also an oval, prismatic and in suitably can have a different shape.

Abstract

The stone cutting saw disc has through-holes (5) formed in it extending in spiral arrays (6) from its centre to its edges. The inner ends of the spiral arrays can extend from a ring of holes (8) surrounding the central drive axis (2). The pouter holes can extend into notches formed on the periphery of the disc.

Description

Die Erfindung betrifft eine Trennscheibe mit den Merkmalen im Oberbegriff des Hauptanspruches.The invention relates to a cutting disc with the features in the preamble of the main claim.

Eine solche Trennscheibe ist aus der EP-A-0 836 903 bekannt. Sie ist als Diamantscheibe zum Schneiden von Steinen, Beton und anderen harten Handwerkstoffen konzipiert und besitzt einen rotatorisch antreibbaren Scheibenkörper mit mehreren Schneidsegmenten am Außenumfang. Im Innenbereich hat der Scheibenkörper eine Vielzahl von Durchbrechungen, die unterschiedliche Formgebungen haben können. Die Durchbrechungen sind in einem regelmäßigen geometrischen Raster auf der Scheibenfläche verteilt. Hierbei sind sie entweder in zentrisch zur Scheibenmittelachse angeordneten Ringen oder in zweiachsigen linearen geometrischen Rastern angeordnet.Such a cutting disc is known from EP-A-0 836 903 known. It is a diamond disc for cutting Stones, concrete and other hard handicrafts designed and has a rotationally driven Disc body with several cutting segments on Outer circumference. The inside of the window body has one Variety of breakthroughs that are different Can have shapes. The breakthroughs are in a regular geometric grid on the Distributed disc area. Here they are either in rings arranged centrally to the central disk axis or arranged in biaxial linear geometric grids.

Andere Trennscheiben mit einer ähnlichen Rasteranordnung der Durchbrechungen sind aus der DE-C-751 428 und der DE-A-19 57 226 bekannt.Other cutting discs with a similar grid arrangement the openings are from DE-C-751 428 and DE-A-19 57 226 known.

Es ist Aufgabe der vorliegenden Erfindung, die bekannten Trennscheiben zu verbessern.It is an object of the present invention, the known To improve cutting discs.

Die Erfindung löst diese Aufgabe mit den Merkmalen im Hauptanspruch.
Die spiralförmige oder wirbelförmige Anordnung der Durchbrechungen hat Vorteile bei der Wärmeableitung und bei der Geräuschentwicklung der rotierenden Trennscheibe.
Die Anordnung der Durchbrechungen in nebeneinander angeordneten Spirallinien, die sich insbesondere in Drehrichtung der Trennscheibe ausbauchen, sorgt für eine besonders leise Trennscheibe mit optimaler Luftkühlung.
Die Trennscheibe ist dadurch im Trockenschnitt. The invention solves this problem with the features in the main claim.
The spiral or vortex-shaped arrangement of the openings has advantages in the heat dissipation and in the noise development of the rotating cutting disc.
The arrangement of the openings in side-by-side spiral lines, which bulge in particular in the direction of rotation of the cutting disc, ensures a particularly quiet cutting disc with optimal air cooling.
The cutting disc is therefore dry cut.

Weitere Vorteile liegen in einer besonders hohen Standzeit und einer excellenten Schnittigkeit der Trennscheibe sowie einem geringen Gewicht nebst hervorragend Wucht- und Resonanzeigenschaften. Auch die Stabilität der Trennscheibe ist trotz der Vielzahl der Durchbrechungen durch deren geschickte Anordnung optimal. Außerdem ergibt sich durch die Lochung eine Transparenz der drehenden Trennscheibe, die eine Kontrolle der gegenüberliegenden Schnittkante ermöglicht.Further advantages are a particularly long service life and an excellent cutting ability of the cutting disc as well a low weight and excellent balancing and Resonance properties. Even the stability of the Cutting disc is despite the large number of openings through their clever arrangement optimal. Also results perforation creates a transparency of the rotating Cutting disc which is a control of the opposite Cutting edge enables.

Die Trennscheibe arbeitet mit einem einem schleifenden Abtrag und eignet sich für unterschiedliche, harte Materialien, z.B. für Beton mit und ohne Armierung, für Dachpfannen, für harte und mittelharte Klinker, für Waschbeton und für allgemeines Baustellenmaterial.The cutting disc works with a grinding Removal and is suitable for different, hard Materials, e.g. for concrete with and without reinforcement, for Roof tiles, for hard and medium hard clinker, for Washed concrete and for general construction material.

In den Unteransprüchen sind weitere vorteilhafte Ausgestaltungen der Erfindung angegeben. In the subclaims are further advantageous Embodiments of the invention specified.

Die Erfindung ist in den Zeichnungen beispielsweise und schematisch dargestellt. Im einzelnen zeigen:

Figur 1:
eine Draufsicht auf eine Trennscheibe und
Figur 2:
einen Partialschnitt durch die Trennscheibe gemäß Schnittlinie II-II von Figur 1.
The invention is shown in the drawings, for example and schematically. In detail show:
Figure 1:
a plan view of a cutting disc and
Figure 2:
a partial section through the cutting wheel according to section line II-II of Figure 1.

Die in Figur 1 und 2 dargestellte Trennscheibe (1) ist vorzugsweise als sogenannte Diamantscheibe ausgebildet und dient zum Trennen und Schneiden von harten Werkstoffen, wie Stein, Beton oder dergleichen. Die Trennscheibe (1) lässt sich in geeigneter Weise um ihre Mittelachse (2) in Drehrichtung (11) rotatorisch antreiben und trägt im Schnitt das Material schleifend ab. Die Trennscheibe (1) kann für Trockenschnitt eingesetzt werden, eignet sich aber auch für Nassschnitt.The cutting disc (1) shown in Figures 1 and 2 is preferably designed as a so-called diamond disc and serves to cut and cut hard materials, like stone, concrete or the like. The cutting disc (1) can in a suitable manner about its central axis (2) in Drive direction of rotation (11) rotationally and carries in Cut off the material. The cutting disc (1) can be used for dry cutting, is suitable but also for wet cutting.

Die Trennscheibe (1) hat einen zylindrischen Scheibenkörper (4), der an seinem Außenumfang (14) einen Schneidkranz (13) trägt. Im Zentrum hat die Trennscheibe (1) eine vorzugsweise kreisrunde Aufnahmeöffnung (12) zur Befestigung an einer antreibbaren Welle oder dergleichen.The cutting disc (1) has a cylindrical one Disc body (4), one on its outer circumference (14) Cutting ring (13) carries. The cutting disc is in the center (1) a preferably circular receiving opening (12) for Attachment to a drivable shaft or the like.

Der Scheibenkörper (4) besitzt eine Vielzahl von Durchbrechungen (5) mit einer vorzugsweise kreisrunden bzw. zylindrischen Form. Die Durchbrechungen (5) sind mit gegenseitigem Abstand gleichmäßig verteilt und in einer Spiralform (6) oder Wirbelform am Scheibenkörper (4) angeordnet. Die Spiralform (6) kann unterschiedlich ausgebildet sein.The disc body (4) has a variety of Openings (5) with a preferably circular one or cylindrical shape. The openings (5) are with mutual distance evenly distributed and in one Spiral shape (6) or vortex shape on the disc body (4) arranged. The spiral shape (6) can vary be trained.

Im bevorzugten Ausführungsbeispiel bilden die Durchbrechungen (5) eine Vielzahl gleichartiger Spirallinien (7), die vom Bereich der Scheibenmittelachse (2) ausgehen und sich zum äußeren Rand (14) des Scheibenkörpers (4) erstrecken. Die Spirallinien (7) sind in Umfangsrichtung nebeneinander mit regelmäßiger Verteilung angeordnet. Die innenliegenden Durchbrechungen (5) der Spirallinien (7) bilden miteinander einen zur Mittelachse (2) konzentrischen inneren Lochkreis (8). Von diesem gehen die Spirallinien (7) aus.In the preferred embodiment, the Breakthroughs (5) a variety of similar Spiral lines (7) from the area of the disc center axis (2) go out and to the outer edge (14) of the Extend the disc body (4). The spiral lines (7) are in the circumferential direction side by side with regular Distribution arranged. The internal openings (5) of the spiral lines (7) form one with the other Central axis (2) concentric inner bolt circle (8). Of this the spiral lines (7) go out.

Die gegenseitigen Abstände der Spirallinien (7) in Umfangsrichtung verändern sich mit dem radialen Abstand. Am Lochkreis (8) sind sie am kleinsten und vergrößeren sich bis zum äußeren Rand (14) des Scheibenkörpers (4).
Die gegenseitigen Abstände der Durchbrechungen (5) innerhalb der einzelnen Spirallinien (7) bleiben hingegen vorzugsweise gleich.The mutual distances of the spiral lines (7) in the circumferential direction change with the radial distance. They are the smallest at the bolt circle (8) and enlarge up to the outer edge (14) of the disk body (4).
The mutual distances between the openings (5) within the individual spiral lines (7), however, preferably remain the same.

Der ringförmige Schneidkranz (13) besteht vorzugsweise aus mehreren regelmäßig im Kreis verteilten Schneidsegmenten (3), die mit entsprechenden Schneidkanten und Schneidflächen ausgerüstet sind und voneinander in Umfangsrichtung distanziert sind. Ihre Stirnflächen in Umfangsrichtung sind angeschrägt. Die Schneidsegmente (3) sind dicker als der Scheibenkörper (4) und stehen beidseits vor. Die Schneidsegmente (3) wirken als Schleifkörper und sind mit abtragenden Teilchen, z.B. Diamantkörnchen, Korrund oder dgl. besetzt.The annular cutting ring (13) preferably consists of several cutting segments regularly distributed in a circle (3), with appropriate cutting edges and Cutting surfaces are equipped and in each other Are circumferential distance. Your end faces in The circumferential direction is chamfered. The cutting segments (3) are thicker than the disc body (4) and stand on both sides. The cutting segments (3) act as Abrasives and are with abrasive particles, e.g. Diamond granules, corundum or the like.

Die Schneidsegmente (3) können aus einem geeigneten anderen Material als der Scheibenkörper (4) bestehen und sind mit dessen äußerem Rand (14) durch eine Schweißverbindung (10), vorzugsweise eine Laser-Schweißverbindung, oder auf andere geeignete Weise fest verbunden. Im Fußbereich haben die Schneidsegmente (3) an ihren Übergangsstellen vom einen zum anderen Segment jeweils einen nach außen gegen die Drehrichtung (11) sich öffnenden Hinterschnitt (9), der bis in den Randbereich des Scheibenkörpers (4) hineinragt und dort am Ende in eine etwas verbreiterte und im wesentlichen kreisrunde Durchbrechung übergeht.The cutting segments (3) can be made from a suitable other material than the disc body (4) and are with the outer edge (14) by a Welded connection (10), preferably one Laser welded connection, or in any other suitable way firmly connected. The cutting segments have in the foot area (3) at their transition points from one to the other Segment one outwards against the direction of rotation (11) opening undercut (9) into the Edge area of the disc body (4) protrudes and there on End in a somewhat widened and essentially circular opening passes over.

Die Spirallinien (7) sind vorzugsweise in gleicher Zahl wie die Schneidsegmente (3) vorhanden und derart angeordnet, dass jede Spirallinie (7) mit ihrer äußeren Durchbrechung (5) am Scheibenkörperrand zwischen den benachbarten Hinterschnitten (9) endet. Bei einer praktischen Ausführungsform mit 230 mm Scheibendurchmesser sind z.B. sechzehn Spirallinien (7) und entsprechend viele Schneidsegmente (3) vorhanden. Die einzelne Spirallinie (7) kann dabei ca. zehn bis zwölf gleichmäßig beabstandete Durchbrechungen (5) mit einem Durchmesser von jeweils ca. 5 mm aufweisen. Die genannten Zahlenwerte sind Beispiele und können nach oben und unten schwanken. Insbesondere hat eine Trennscheibe (1) mit kleinerem Durchmesser eine entsprechend geringere Zahl an Spirallinien (7) und Durchbrechungen (5).The spiral lines (7) are preferably in the same number like the cutting segments (3) and such arranged that each spiral line (7) with its outer Opening (5) on the edge of the disc body between the adjacent undercuts (9) ends. At a practical embodiment with 230 mm disc diameter are e.g. sixteen spiral lines (7) and a corresponding number Cutting segments (3) available. The single spiral line (7) can be about ten to twelve evenly spaced Openings (5) with a diameter of approx. 5 mm. The numerical values mentioned are examples and can fluctuate up and down. In particular has a cutting disc (1) with a smaller diameter correspondingly lower number of spiral lines (7) and Breakthroughs (5).

Die Spirallinien (7) sind vorzugsweise in Drehrichtung (11) der Trennscheibe (1) vorgewölbt oder ausgebaucht. Sie überstreichen dabei jeweils einen Winkel "a" von jeweils ca. 50° bis 60°. Die Krümmungswinkel der Spirallinien (7) können aber auch anders gewählt werden und können insbesondere vom Scheibendurchmesser abhängen.The spiral lines (7) are preferably in the direction of rotation (11) the cutting disc (1) bulged or bulged. she pass over an angle "a" of each approx. 50 ° to 60 °. The angles of curvature of the spiral lines (7) can also be chosen differently depend in particular on the disc diameter.

Die Durchbrechungen (5) sorgen im Schneidbetrieb der drehenden Trennscheibe (1) für eine Verwirbelung der umgebenden Luft. Hierdurch wird einerseits die an der Trennscheibe (1) durch die Schneidarbeit auftretende Wärme an die Umgebungsluft abgegeben und abgeführt. Die Spiralform (6) der Durchbrechungen (5) und insbesondere die spezielle Gestaltung von Figur 1 und 2 sorgen hierbei für eine besonders gute Wärmeabfuhr, wobei andererseits die durch die Luftverwirbelungen auftretenden Geräusche der drehenden Trennscheibe (1) minimiert werden. Zudem ergeben sich im Betrieb durch eine Transparenz der drehenden Trennscheibe (1) Durchblick- und Kontrollmöglichkeiten für den Bediener.The openings (5) ensure the cutting operation of the rotating cutting disc (1) for swirling the surrounding air. On the one hand, this means that at the Cutting disc (1) from the heat generated by the cutting work released to the ambient air and discharged. The Spiral shape (6) of the openings (5) and in particular the special design of Figures 1 and 2 ensure this for a particularly good heat dissipation, on the other hand the noise caused by the air turbulence the rotating cutting disc (1) can be minimized. In addition result from the transparency of the company rotating cutting disc (1) Control options for the operator.

Abwandlungen der gezeigten Ausführungsform sind in verschiedener Weise möglich. So können zum einen die Schneidsegmente (3) in beliebig anderer Weise ausgebildet und angeordnet sein. Desgleichen kann die Spiralform (6) variieren. Dies gilt einerseits bezüglich der Zahl, Anordnung und Ausbildung der Spirallinien (7) und andererseits hinsichtlich der Krümmungswinkel der einzelnen Spirallinien. Variabel ist auch die Form der Durchbrechungen (5), die statt einer kreisrunden Querschnittsform auch eine ovale, prismatische und in geeigneter Weise anders geartete Ausformung haben können. Variations of the embodiment shown are in FIG possible in different ways. On the one hand, they can Cutting segments (3) formed in any other way and be arranged. Likewise, the spiral shape (6) vary. On the one hand, this applies to the number, Arrangement and formation of the spiral lines (7) and on the other hand with regard to the angle of curvature individual spiral lines. The shape of the is also variable Openings (5) instead of a circular one Cross-sectional shape also an oval, prismatic and in suitably can have a different shape.

BEZUGSZEICHENLISTEREFERENCE SIGN LIST

11
TrennscheibeCutting disc
22nd
MittelachseCentral axis
33rd
SchneidsegmentCutting segment
44th
ScheibenkörperDisc body
55
DurchbrechungBreakthrough
66
SpiralformSpiral shape
77
SpirallinieSpiral line
88th
innerer Lochkreisinner bolt circle
99
Hinterschnitt, HinterschneidungUndercut, undercut
1010th
SchweißverbindungWelded joint
1111
DrehrichtungDirection of rotation
1212th
AufnahmeöffnungReceiving opening
1313
SchneidkranzCutting ring
1414
äußerer Rand des Scheibenkörpersouter edge of the disc body
aa
Krümmungswinkel SpirallinieAngle of curvature spiral line

Claims (7)

Trennscheibe mit einem rotatorisch antreibbaren Scheibenkörper (4), der mehrere Durchbrechungen (5) aufweist, dadurch gekennzeichnet, dass die Durchbrechungen (5) in einer Spiralform (6) angeordnet sind.Cutting disc with a rotationally drivable disc body (4) which has a plurality of openings (5), characterized in that the openings (5) are arranged in a spiral shape (6). Trennscheibe nach Anspruch 1, dadurch gekennzeichnet, dass die Spiralform (6) mehrere vom Bereich der Scheibenmittelachse (2) ausgehende, nebeneinander angeordnete Spirallinien (7) von Durchbrechungen (5) aufweist.Cutting disc according to claim 1, characterized in that the spiral shape (6) has a plurality of spiral lines (7) of perforations (5) which are arranged next to one another and extend from the region of the central disc axis (2). Trennscheibe nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Spirallinien (7) mit ihren innenseitigen Durchbrechungen (5) einen zur Scheibenmittelachse (2) konzentrischen Lochkreis (8) bilden.Cutting disc according to claim 1 or 2, characterized in that the spiral lines (7) with their internal openings (5) form a hole circle (8) which is concentric with the central axis of the disc (2). Trennscheibe nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, dass die Spirallinien (7) mit ihren außenseitigen Durchbrechungen (5) zwischen Hinterschneidungen (9) von randseitigen (14) Schneidsegmenten (3) enden.Cutting disc according to claim 1, 2 or 3, characterized in that the spiral lines (7) end with their outside openings (5) between undercuts (9) of edge-side (14) cutting segments (3). Trennscheibe nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Spirallinien (7) und die Schneidsegmente (3) in gleicher Zahl vorhanden sind.Cutting disc according to one of claims 1 to 4, characterized in that the spiral lines (7) and the cutting segments (3) are present in the same number. Trennscheibe nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Spirallinien (7) in Drehrichtung (11) der Trennscheibe (1) vorgewölbt sind. Cutting disc according to one of claims 1 to 5, characterized in that the spiral lines (7) are bulged in the direction of rotation (11) of the cutting disc (1). Trennscheibe nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Durchbrechungen (5) eine im wesentlichen zylindrische Form aufweisen.Cutting disc according to one of claims 1 to 6, characterized in that the openings (5) have a substantially cylindrical shape.
EP00107378A 1999-06-15 2000-04-05 Diamond cutting blade having through holes extending in spiral arrays Expired - Lifetime EP1099524B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29910442U 1999-06-15
DE29910442U DE29910442U1 (en) 1999-06-15 1999-06-15 Cutting disc

Publications (4)

Publication Number Publication Date
EP1099524A2 true EP1099524A2 (en) 2001-05-16
EP1099524A3 EP1099524A3 (en) 2001-09-12
EP1099524B1 EP1099524B1 (en) 2002-06-05
EP1099524B2 EP1099524B2 (en) 2006-03-01

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EP00107378A Expired - Lifetime EP1099524B2 (en) 1999-06-15 2000-04-05 Diamond cutting blade having through holes extending in spiral arrays

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EP (1) EP1099524B2 (en)
AT (1) ATE218423T1 (en)
DE (2) DE29910442U1 (en)
DK (1) DK1099524T4 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1340593A1 (en) * 2002-03-01 2003-09-03 DIEWE-Diamantwerkzeuge GmbH Grinding tool, especially cutting-off tool
DE10304162B3 (en) * 2003-02-03 2004-06-03 Hilti Ag Circular saw blade with sound damping device for use in hand-held saw has borings of intermediate perforation divided into boring groups separated from each other
WO2010006841A1 (en) * 2008-07-14 2010-01-21 British American Tobacco (Investments) Limited Cigarette filter cutting element

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1270161A1 (en) * 2001-06-29 2003-01-02 Turbolite AG Circular saw blade having a support disc with holes of different sizes
GB2508246A (en) * 2012-11-27 2014-05-28 Safehouse Habitats Scotland Ltd Cold cutting/grinding disc

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US2047649A (en) * 1935-11-06 1936-07-14 Harry G Robinson Abrasive wheel
US2735243A (en) * 1956-02-21 Abrasive cutting
DE1959323U (en) * 1966-10-29 1967-04-27 Felde Richard Fa DISC-SHAPED CUTTING BLADE, IN PARTICULAR CIRCULAR SAW BLADE.
DE8304110U1 (en) * 1983-02-15 1983-06-23 Gröschke, Dieter, 8472 Schwarzenfeld Circular saw blade
US4624237A (en) * 1984-06-08 1986-11-25 Jiro Inoue Diamond saw
FR2659892A1 (en) * 1990-03-20 1991-09-27 Snecma Cutting disc of the abrasive grinding wheel type
DE4243480A1 (en) * 1992-12-22 1994-06-23 Sanshu Press Kogyo Kk Dry rock-sawing blade
EP0703034A1 (en) * 1994-09-16 1996-03-27 Osaka Diamond Industrial Co., Ltd. Blade and method of manufacturing the same
EP0836903A1 (en) * 1996-10-16 1998-04-22 Said Spa diamond disc tool for cutting granite, marble, reinforced concrete and stony materials in general

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SU905075A1 (en) * 1977-10-03 1982-02-15 Ленинградская Ордена Ленина Лесотехническая Академия Им.С.М.Кирова Disc saw
DE3606581A1 (en) * 1986-02-28 1987-09-03 Nkk Nihon Structure Co Grinding or cutting disc
DE4328482C2 (en) * 1993-08-24 1998-01-29 Fgw Forsch Werkzeuge Werkstoff Circular saw blade
DE19648129A1 (en) * 1996-11-21 1998-05-28 Lauffer Adelbert Dipl Ing Fh Blade for circular saw
DE19715490C2 (en) * 1997-04-14 2000-06-21 Dia Lux Diamantwerkzeuge Gmbh Process for producing a cutting disc, and cutting discs in particular for cutting or sawing natural stone or concrete, for example

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Publication number Priority date Publication date Assignee Title
US2735243A (en) * 1956-02-21 Abrasive cutting
US2047649A (en) * 1935-11-06 1936-07-14 Harry G Robinson Abrasive wheel
DE1959323U (en) * 1966-10-29 1967-04-27 Felde Richard Fa DISC-SHAPED CUTTING BLADE, IN PARTICULAR CIRCULAR SAW BLADE.
DE8304110U1 (en) * 1983-02-15 1983-06-23 Gröschke, Dieter, 8472 Schwarzenfeld Circular saw blade
US4624237A (en) * 1984-06-08 1986-11-25 Jiro Inoue Diamond saw
FR2659892A1 (en) * 1990-03-20 1991-09-27 Snecma Cutting disc of the abrasive grinding wheel type
DE4243480A1 (en) * 1992-12-22 1994-06-23 Sanshu Press Kogyo Kk Dry rock-sawing blade
EP0703034A1 (en) * 1994-09-16 1996-03-27 Osaka Diamond Industrial Co., Ltd. Blade and method of manufacturing the same
EP0836903A1 (en) * 1996-10-16 1998-04-22 Said Spa diamond disc tool for cutting granite, marble, reinforced concrete and stony materials in general

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* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section PQ, Week 198301 Derwent Publications Ltd., London, GB; Class P63, AN 1983-A2032K XP002172599 -& SU 905 075 A (LENINGRAD FORESTRY ACAD), 25. Februar 1982 (1982-02-25) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1340593A1 (en) * 2002-03-01 2003-09-03 DIEWE-Diamantwerkzeuge GmbH Grinding tool, especially cutting-off tool
DE10304162B3 (en) * 2003-02-03 2004-06-03 Hilti Ag Circular saw blade with sound damping device for use in hand-held saw has borings of intermediate perforation divided into boring groups separated from each other
EP1442861A2 (en) * 2003-02-03 2004-08-04 HILTI Aktiengesellschaft Cutting blade with holes for noise reduction
EP1442861A3 (en) * 2003-02-03 2004-08-18 HILTI Aktiengesellschaft Cutting blade with holes for noise reduction
WO2010006841A1 (en) * 2008-07-14 2010-01-21 British American Tobacco (Investments) Limited Cigarette filter cutting element
JP2011527892A (en) * 2008-07-14 2011-11-10 ブリティッシュ アメリカン タバコ （インヴェストメンツ） リミテッド Cigarette filter cutting element

Also Published As

Publication number Publication date
DE50000199D1 (en) 2002-07-11
EP1099524B2 (en) 2006-03-01
EP1099524B1 (en) 2002-06-05
ATE218423T1 (en) 2002-06-15
DK1099524T3 (en) 2002-09-09
DK1099524T4 (en) 2006-06-19
DE29910442U1 (en) 2000-10-19
EP1099524A3 (en) 2001-09-12

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