EP1083031B1 - Saw chain for a tool for cutting sandwich panels - Google Patents

Saw chain for a tool for cutting sandwich panels Download PDF

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Publication number
EP1083031B1
EP1083031B1 EP00118361A EP00118361A EP1083031B1 EP 1083031 B1 EP1083031 B1 EP 1083031B1 EP 00118361 A EP00118361 A EP 00118361A EP 00118361 A EP00118361 A EP 00118361A EP 1083031 B1 EP1083031 B1 EP 1083031B1
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EP
European Patent Office
Prior art keywords
saw chain
chain
links
face
faces
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00118361A
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German (de)
French (fr)
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EP1083031A2 (en
EP1083031A3 (en
Inventor
Andreas Tinner
Matthias Accola
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Trumpf SE and Co KG
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Trumpf SE and Co KG
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Publication date
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Publication of EP1083031A2 publication Critical patent/EP1083031A2/en
Publication of EP1083031A3 publication Critical patent/EP1083031A3/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B33/00—Sawing tools for saw mills, sawing machines, or sawing devices
    • B27B33/14—Saw chains
    • B27B33/142—Cutter elements
    • B27B33/145—Cutter elements having plural teeth on a single link
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/0083—Attachments for guiding or supporting chain saws during operation

Definitions

  • the invention relates to a saw chain for a tool for separating sandwich panels according to the preamble of claim 1.
  • such a guide is effected by the interaction of the side surfaces of the saw chain and the cutting surfaces associated therewith on the sandwich plate to be processed.
  • the side surfaces of the saw chain serve as guide surfaces, which move along the sandwich-plate side cut surfaces and over which the saw chain can be supported on the sandwich panel against unwanted lateral deflection.
  • those chain links of the prior art saw chain which face the cut surfaces of the respective sandwich panel, beveled defined at their surfaces facing the cut surfaces, that the width of the saw chain with increasing distance reduced by the cutting edges and consequently results in a free angle between the side surfaces of the saw chain and these opposite cut surfaces on the sandwich plate.
  • the production of the bevels described is associated with a certain manufacturing effort.
  • the present invention has set itself the goal.
  • a saw chain of the type mentioned in the case of which the characterizing features of claim 1 are provided.
  • the claimed gradation of the side surfaces of the saw chain or the respective surface or surfaces of said chain links can be created in particular on the basis of the commonly used chain links blanks with rectangular cross-section on manufacturing technology simplest way.
  • the side surfaces of the saw chain are in the sandwich plate processing only with a part, namely at the superior partial surfaces, in frictional contact with the created cut surfaces on the workpiece to be machined. A small friction surface but also requires a small frictional resistance during the movement of the saw chain.
  • the relevant chain link blanks and a corresponding machining tool such as a roll grinder, only move along in the direction of the later movement of the saw chain.
  • the composite construction of the chain links allows the consideration of the fact that different areas of the chain links are subjected to different stresses during operation. Approximately in the area of the cutting teeth engaging in the material of the sandwich panels to be machined, larger and different stresses act than in the remaining areas of the chain links. Against this background, the advantages of the type described in claim 3 type of saw chain according to the invention are obvious.
  • the saw chain according to the invention according to claim 4 is characterized by a produced with little effort connection of the chain links with each other.
  • the bolt heads, the chain pins can be easily manufactured, for example, create as rivet heads. After they are arranged in the recessed partial surfaces of the chain links or the side surfaces of the saw chain, with appropriate dimensions of the bolt heads or with a corresponding distance of the superior of the recessed faces of the chain links readily ensured that the bolt heads not on the superior faces of Projecting side surfaces of the saw chain and affect the leadership of the saw chain.
  • a cutting tool 1 for processing a sandwich panel 2 comprises a base body 3 with a guide rail 4 for an endless saw chain 5.
  • the sandwich panel 2 consists of a foam core and this on both sides adjacent Cover layers in the form of approximately 1 mm thick metal sheets.
  • the saw chain 5 is deflected at the two ends of the guide rail 4 each along a circular arc-shaped path and guided rectilinearly on the longitudinal sides of the guide rail 4.
  • an electric motor 6 with two speed switching stages.
  • On its side opposite the electric motor 6 side of the main body 3 of the cutting tool 1 is provided with a broken in Fig. 1 housing 7, which surrounds the saw chain 5 on the drive side forming a gap 8 between the saw chain 5 and housing 7.
  • In the gap 8 opens a suction hose 9, which is attached via a connecting piece 10 of the housing 7 to the latter and connected with its other end to the suction side of a fan.
  • a machine guide 11 of the cutting tool 1 consists essentially of a support plate 12 and a pivot bearing 13, by means of which the main body 3 of the cutting tool 1 is pivotally connected to the support plate 12 about an axis 14 extending parallel to the plane of the sandwich panel 2 axis.
  • a double arrow 15 illustrates the direction of the relative pivoting movement of the base body 3 and the support plate 12.
  • a slot 16 in the support plate 12 allows the main body 3 of the cutting tool 1 and with this the saw chain 5 between the working position shown in FIG. 1 and a rest position in which the saw chain 5 is out of engagement with the sandwich panel 2, back and forth to pan.
  • the operator of the separating tool 1 has handles 17, 18 on the base body 3.
  • This comprises a plurality of detent openings on the base body 3 of the cutting tool 1 and a displaceable in the axial direction against spring lockable latching pin 20 which slidably supported on a bearing block 12 connected to the bearing block 21 of the pivot bearing 13 in its axial direction is.
  • the latching openings are located on the side facing away from the viewer of Fig. 1 side of the base body 3 and are arranged in the direction of pivotal movement of the base body 3 in a row.
  • the base body 3 was when the electric motor 6 from a rest position in which the saw chain 5 and the chain guide 4 had been located on the side remote from the sandwich panel 2 side of the support plate 12, counterclockwise has been pivoted about the axis 14.
  • the saw chain 5 had come through the slot 16 of the support plate 12 on the surface of the sandwich plate 2 for support.
  • the saw chain 5 had cut into the sandwich panel 2 until it was finally inclined against the sandwich panel 2 at the end of the pivotal movement with the guide rail 4 as shown in FIG.
  • the cutting tool 1 by the operator in the cutting direction, ie in the direction of an arrow 22, slidably moved on the sandwich panel 2 and in this way in the sandwich panel 2, a separating slot has been created, which takes its output inside the surface of the sandwich panel 2 , Throughout the machining operation, the saw chain 5 had been rotated in its direction of movement illustrated by an arrow 23.
  • the saw chain 5 had the various layers of the sandwich panel 2 severed.
  • the cutting dust formed was sucked into the gap 8 between the saw chain 5 and the housing 7 and discharged from there via the suction hose 9.
  • the support plate 12 was used to protect the operator from the circulating saw chain 5.
  • the cut surfaces created during the processing of the sandwich panel 2 had, in interaction with the saw chain 5, caused their lateral guidance during the separation process.
  • the saw chain 5 consists of three transverse to their direction of movement 23 adjacent rows of chain links 24, 25, 26. These are the chain links 24, 26 structurally matching outer links, in the chain links 25 to center members of Saw chain 5.
  • the juxtaposed outer members 24, 26 are aligned with each other, while the center members 25 are arranged offset in the direction of movement 23 of the saw chain 5 against the outer members 24, 26 and with in the direction of movement 23 of the saw chain 5 consecutive outer members 24, 26 overlap (Fig. 2).
  • the cutting teeth 35, 36 have transverse to the direction of movement 23 of the saw chain 5 extending cutting edges 37, 38 and lie with their outwardly facing tooth faces in the superior faces 31, 32 of the outer members 24, 26 cutting teeth 39 of the center members 25 of the saw chain 5 have cutting edges 40, which also extend transversely to the direction of movement 23 of the saw chain 5.
  • each other Connected to each other are the outer members 24, 26 and the center members 25 of the saw chain 5 via chain pins 41, each with two bolt heads 42.
  • the bolt heads 42 are arranged in the recessed faces 33, 34 on the outer members 24, 26 and also with respect to the superior faces 31, 32 of the outer members 24, 26 reset.
  • the cutting teeth 35, 36 and the preparation of the flats 44, 45 After fabricating the cutting teeth 35, 36 and the preparation of the flats 44, 45, the consisting of iron sheet parts of the chain link blanks were reduced by grinding material in its thickness. For this purpose, a roll grinder was used. Finally, the holes 46 were then created.
  • the illustrated outer members 24, 26 with the superior faces 31, 32 resulted in the existing tool steel parts and the recessed faces 33, 34 at the made of sheet iron parts of the outer members 24, 26. Between the superior partial surfaces 31, 32 and the recessed surfaces 33, 34 extend as transitional surfaces each inclined surfaces.
  • Blanks for the center members 25 were punched out of tool steel sheets each having a first engagement surface 47 and a second engagement surface 48.
  • the center members 25 are driven by a sprocket via the first engagement surfaces 47, which in turn is drive-connected to the electric motor 6 of the parting tool 1 according to FIG.
  • the center links 25 set a guide sprocket in motion at the free end of the guide rail 4, also shown in FIG.
  • the first engagement surfaces 47 and the second engagement surfaces 48 of the center links 25 each extend symmetrically with respect to a perpendicular bisector to the distance between the two bores 46 of the individual center links 25.
  • FIG. 3 Also shown in FIG. 3 are the cutting edges 40 of the center members 25 on the cutting chain 5 against the cutting edges 37, 38 of the outer members 24, 26 slightly outward. Also, the vertical projections of the cutting edges 40 on the center members 25 are arranged along an outwardly curved arc line.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

The cutting machine (1) has a chain (5) running in an elongated guide (4) and driven by an electric motor (6). The chain and guide project through a slot (16) in a guide plate (12) which sits on top of the workpiece (2). A hose (9) on the opposite side of the saw to the motor sucks sawdust away from the working area. The chain consists of alternate central links which engage the drive sprocket and side links held by pins.

Description

Die Erfindung betrifft eine Sägekette für ein Werkzeug zum Trennen von Sandwichplatten gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a saw chain for a tool for separating sandwich panels according to the preamble of claim 1.

DE-U-298 15 228 offenbart eine derartige Sägekette.DE-U-298 15 228 discloses such a saw chain.

Zur Erzielung guter Bearbeitungsergebnisse bedarf es einer Führung der Sägekette während des Trennvorgangs.To achieve good machining results, it is necessary to guide the saw chain during the separation process.

Im Falle des gattungsbildenden Standes der Technik nach DE-U-298 15 228 wird eine derartige Führung bewirkt durch das Zusammenspiel der Seitenflächen der Sägekette und der diesen zugeordneten Schnittflächen an der zu bearbeitenden Sandwichplatte. Die Seitenflächen der Sägekette dienen dabei als Führungsflächen, die sich an den sandwichplattenseitigen Schnittflächen entlangbewegen und über welche sich die Sägekette an der Sandwichplatte gegen unerwünschtes seitliches Ausweichen abstützen kann. Um die Führung der Sägekette mit möglichst geringer Reibung an ihren Seitenflächen zu bewerkstelligen, sind diejenigen Kettenglieder der vorbekannten Sägekette, welche den Schnittflächen an der betreffenden Sandwichplatte gegenüberliegen, an ihren den Schnittflächen zugewandten Flächen derart definiert abgeschrägt, daß sich die Breite der Sägekette mit zunehmendem Abstand von den Schneidkanten verringert und sich infolgedessen zwischen den Seitenflächen der Sägekette und den diesen gegenüberliegenden Schnittflächen an der Sandwichplatte jeweils ein Freiwinkel ergibt. Die Herstellung der beschriebenen Abschrägungen ist mit einem gewissen fertigungstechnischen Aufwand verbunden.In the case of the generic state of the art according to DE-U-298 15 228 such a guide is effected by the interaction of the side surfaces of the saw chain and the cutting surfaces associated therewith on the sandwich plate to be processed. The side surfaces of the saw chain serve as guide surfaces, which move along the sandwich-plate side cut surfaces and over which the saw chain can be supported on the sandwich panel against unwanted lateral deflection. In order to accomplish the leadership of the saw chain with the least possible friction on their side surfaces, those chain links of the prior art saw chain, which face the cut surfaces of the respective sandwich panel, beveled defined at their surfaces facing the cut surfaces, that the width of the saw chain with increasing distance reduced by the cutting edges and consequently results in a free angle between the side surfaces of the saw chain and these opposite cut surfaces on the sandwich plate. The production of the bevels described is associated with a certain manufacturing effort.

Eine Sägekette zu schaffen, deren reibungsarme Führung mit gegenüber dem vorstehend beschriebenen Stand der Technik vereinfachten fertigungstechnischen Maßnahmen realisiert ist, hat sich die vorliegende Erfindung zum Ziel gesetzt.To provide a saw chain whose low-friction guide is realized with respect to the above-described prior art simplified manufacturing measures, the present invention has set itself the goal.

Erfindungsgemäß gelöst wird diese Aufgabe durch eine Sägekette der eingangs genannten Art, im Falle derer die kennzeichnenden Merkmale von Anspruch 1 vorgesehen sind. Die anspruchsgemäße Abstufung der Seitenflächen der Sägekette bzw. der betreffenden Fläche oder Flächen der genannten Kettenglieder läßt sich insbesondere ausgehend von den üblicherweise verwendeten Kettenglieder-Rohlingen mit Rechteckquerschnitt auf fertigungstechnisch einfachste Art und Weise erstellen. Infolge der erfindungsgemäßen Abstufung befinden sich die Seitenflächen der Sägekette bei der Sandwichplattenbearbeitung lediglich mit einem Teil, nämlich an den vorgesetzten Teilflächen, in reibendem Kontakt mit den erstellten Schnittflächen an dem zu bearbeitenden Werkstück. Eine kleine Reibfläche aber bedingt einen ebenfalls nur kleinen Reibwiderstand bei der Bewegung der Sägekette.This object is achieved by a saw chain of the type mentioned, in the case of which the characterizing features of claim 1 are provided. The claimed gradation of the side surfaces of the saw chain or the respective surface or surfaces of said chain links can be created in particular on the basis of the commonly used chain links blanks with rectangular cross-section on manufacturing technology simplest way. As a result of the gradation according to the invention, the side surfaces of the saw chain are in the sandwich plate processing only with a part, namely at the superior partial surfaces, in frictional contact with the created cut surfaces on the workpiece to be machined. A small friction surface but also requires a small frictional resistance during the movement of the saw chain.

Zur Fertigung der in Anspruch 1 beschriebenen Überstände sind beispielsweise die betreffenden Kettenglied-Rohlinge und ein entsprechendes Bearbeitungswerkzeug, etwa ein Walzenschleifer, lediglich in Richtung der späteren Bewegung der Sägekette aneinander entlangzubewegen.For the manufacture of the supernatants described in claim 1, for example, the relevant chain link blanks and a corresponding machining tool, such as a roll grinder, only move along in the direction of the later movement of the saw chain.

Bevorzugte Aunführungsformen der errindungsgemaßen sagekette ergeben sich aus den adhängigen Ansprüchen 2 bis 5.Preferred Aunführungsformen the errindungsgemaßen sagekette result from the dependent claims 2 to 5.

Die in Anspruch 2 beschriebene Verbundbauweise von Kettengliedern bietet erhebliche fertigungstechnische Vorteile. So können zur Herstellung derartiger Kettenglieder beispielsweise wenigstens ein Rohlingteil verhältnismäßig großer und wenigstens ein Rohlingteil verhältnismäßig geringer Dicke etwa durch Verschweißen miteinander verbunden werden. Die erfindungsgemäße Abstufung der Seitenflächen an den Kettengliedern ergibt sich dann ohne weiteres.The composite construction of chain links described in claim 2 offers considerable manufacturing advantages. Thus, for example, at least one blank portion of comparatively large and at least one blank portion of relatively small thickness can be connected to one another by welding, for example, to produce such chain links. The inventive gradation of the side surfaces of the chain links then arises without further notice.

Außerdem erlaubt die Verbundbauweise der Kettenglieder die Berücksichtigung des Umstandes, daß unterschiedliche Bereiche der Kettenglieder im Betrieb unterschiedlichen Beanspruchungen unterworfen sind. Etwa im Bereich der in das Material der zu bearbeitenden Sandwichplatten eingreifenden Schneidzähne wirken größere und andersartige Beanspruchungen als in den übrigen Bereichen der Kettenglieder. Vor diesem Hintergrund sind die Vorteile der in Anspruch 3 beschriebenen Bauart der erfindungsgemäßen Sägekette offensichtlich.In addition, the composite construction of the chain links allows the consideration of the fact that different areas of the chain links are subjected to different stresses during operation. Approximately in the area of the cutting teeth engaging in the material of the sandwich panels to be machined, larger and different stresses act than in the remaining areas of the chain links. Against this background, the advantages of the type described in claim 3 type of saw chain according to the invention are obvious.

Die erfindungsgemäße Sägekette gemäß Anspruch 4 zeichnet sich durch eine mit geringem Aufwand herzustellende Verbindung der Kettenglieder untereinander aus. Die Bolzenköpfe,der Kettenbolzen lassen sich fertigungstechnisch einfach, beispielsweise als Nietköpfe erstellen. Nachdem sie im Bereich der zurückgesetzten Teilflächen der Kettenglieder bzw. der Seitenflächen der Sägekette angeordnet sind, ist bei entsprechenden Abmessungen der Bolzenköpfe bzw. bei entsprechendem Abstand der vorgesetzten von den zurückgesetzten Teilflächen der Kettenglieder ohne weiteres sichergestellt, daß die Bolzenköpfe nicht über die vorgesetzten Teilflächen der Seitenflächen der Sägekette vorstehen und die Führung der Sägekette beeinträchtigen.The saw chain according to the invention according to claim 4 is characterized by a produced with little effort connection of the chain links with each other. The bolt heads, the chain pins can be easily manufactured, for example, create as rivet heads. After they are arranged in the recessed partial surfaces of the chain links or the side surfaces of the saw chain, with appropriate dimensions of the bolt heads or with a corresponding distance of the superior of the recessed faces of the chain links readily ensured that the bolt heads not on the superior faces of Projecting side surfaces of the saw chain and affect the leadership of the saw chain.

Die in Anspruch 5 beschriebenen Merkmale einer bevorzugten Erfindungsvariante bedingen eine wirksame und von unerwünschtem Spiel freie Abstützung der Bolzenköpfe der Kettenbolzen an den betreffenden Kettengliedern und somit eine von unerwünschtem Spiel freie Verbindung der Kettenglieder untereinander.The features of a preferred variant of the invention described in claim 5 require an effective and undesirable play free support of the bolt heads of the chain pins on the relevant chain links and thus a connection of the chain links free of unwanted play among themselves.

Nachstehend wird die Erfindung anhand beispielhafter schematischer Darstellungen näher erläutert. Es zeigen:

Figur 1
ein Trennwerkzeug mit Sägekette beim Bearbeiten einer Sandwichplatte,
Figur 2
einen Ausschnitt aus dem geradlinig geführten Teil der Sägekette gemäß Fig. 1,
Figur 3
die Sägekette gemäß den Fign. 1 und 2 in der Seitenansicht und
Figur 4
eine Schnittdarstellung der Sägekette gemäß den Fign. 1 bis 3 mit einer in Fig. 3 senkrecht zu der Zeichenebene und in Richtung der Linie IV-IV verlaufenden Schnittebene.
The invention will be explained in more detail below with reference to exemplary schematic illustrations. Show it:
FIG. 1
a cutting tool with a saw chain when machining a sandwich panel,
FIG. 2
a detail of the rectilinear guided part of the saw chain of FIG. 1,
FIG. 3
the saw chain according to FIGS. 1 and 2 in side view and
FIG. 4
a sectional view of the saw chain according to FIGS. 1 to 3 with a in Fig. 3 perpendicular to the plane and in the direction of the line IV-IV extending cutting plane.

Ausweislich Fig. 1 umfaßt ein Trennwerkzeug 1 zum Bearbeiten einer Sandwichplatte 2 einen Grundkörper 3 mit einer Führungsschiene 4 für eine endlose Sägekette 5. Die Sandwichplatte 2 besteht aus einem Schaumstoffkern sowie diesem beidseits benachbarten Decklagen in Form von zirka 1 mm dicken Metallblechen.As shown in FIG. 1, a cutting tool 1 for processing a sandwich panel 2 comprises a base body 3 with a guide rail 4 for an endless saw chain 5. The sandwich panel 2 consists of a foam core and this on both sides adjacent Cover layers in the form of approximately 1 mm thick metal sheets.

Die Sägekette 5 wird an den beiden Enden der Führungsschiene 4 jeweils entlang einer kreisbogenförmigen Bahn umgelenkt und an den Längsseiten der Führungsschiene 4 geradlinig geführt. Zum Antrieb der Sägekette 5 dient ein Elektromotor 6 mit zwei Geschwindigkeits-Schaltstufen. An seiner dem Elektromotor 6 gegenüberliegenden Seite ist der Grundkörper 3 des Trennwerkzeugs 1 mit einem in Fig. 1 aufgebrochenen Gehäuse 7 versehen, welches die Sägekette 5 antriebsseitig unter Bildung eines Zwischenraumes 8 zwischen Sägekette 5 und Gehäuse 7 umschließt. In den Zwischenraum 8 mündet ein Absaugschlauch 9, der über einen Anschlußstutzen 10 des Gehäuses 7 an letzterem angebracht und mit seinem anderen Ende an die Saugseite eines Lüfters angeschlossen ist.The saw chain 5 is deflected at the two ends of the guide rail 4 each along a circular arc-shaped path and guided rectilinearly on the longitudinal sides of the guide rail 4. To drive the saw chain 5 is an electric motor 6 with two speed switching stages. On its side opposite the electric motor 6 side of the main body 3 of the cutting tool 1 is provided with a broken in Fig. 1 housing 7, which surrounds the saw chain 5 on the drive side forming a gap 8 between the saw chain 5 and housing 7. In the gap 8 opens a suction hose 9, which is attached via a connecting piece 10 of the housing 7 to the latter and connected with its other end to the suction side of a fan.

Eine Maschinenführung 11 des Trennwerkzeugs 1 besteht im wesentlichen aus einer Auflageplatte 12 sowie einer Schwenklagerung 13, mittels derer der Grundkörper 3 des Trennwerkzeugs 1 um eine parallel zu der Plattenebene der Sandwichplatte 2 verlaufende Achse 14 schwenkbar mit der Auflageplatte 12 verbunden ist. Ein Doppelpfeil 15 veranschaulicht die Richtung der Relativ-Schwenkbewegung von Grundkörper 3 und Auflageplatte 12.A machine guide 11 of the cutting tool 1 consists essentially of a support plate 12 and a pivot bearing 13, by means of which the main body 3 of the cutting tool 1 is pivotally connected to the support plate 12 about an axis 14 extending parallel to the plane of the sandwich panel 2 axis. A double arrow 15 illustrates the direction of the relative pivoting movement of the base body 3 and the support plate 12.

Ein Schlitz 16 in der Auflageplatte 12 erlaubt es, den Grundkörper 3 des Trennwerkzeugs 1 und mit diesem die Sägekette 5 zwischen der Arbeitsstellung gemäß Fig. 1 und einer Ruhestellung, in welcher sich die Sägekette 5 außer Eingriff mit der Sandwichplatte 2 befindet, hin und her zu schwenken. Zur Ausführung dieser Schwenkbewegung stehen dem Bediener des Trennwerkzeugs 1 Handgriffe 17, 18 an dem Grundkörper 3 zur Verfügung. Beim Verschwenken des Grundkörpers 3 mit der Sägekette 5 von der Ruhe- in die Arbeitsstellung ist eine elastische Gegenkraft zu überwinden, die von einer bei Ausführung der betreffenden Schwenkbewegung verformten und nicht im einzelnen dargestellten Torsionsfeder der Schwenklagerung 13 aufgebracht wird. In der Arbeitsstellung kann der Grundkörper 3 des Trennwerkzeugs 1 mit unterschiedlichen Schwenklagen des Grundkörpers 3 gegenüber der Auflageplatte 12 und somit mit unterschiedlichen Schwenklagen der Sägekette 5 und der Führungsschiene 4 gegenüber der Sandwichplatte 2 arretiert werden. Hierzu dient eine Rastvorrichtung 19. Diese umfaßt eine Mehrzahl von Rastöffnungen an dem Grundkörper 3 des Trennwerkzeugs 1 sowie einen in axialer Richtung gegen Federkraft verschiebbaren arretierbaren Rastzapfen 20, der an einem mit der Auflageplatte 12 verbundenen Lagerbock 21 der Schwenklagerung 13 in seiner axialen Richtung verschiebbar gehalten ist. Die Rastöffnungen befinden sich an der dem Betrachter von Fig. 1 abgewandten Seite des Grundkörpers 3 und sind in Richtung der Schwenkbewegung des Grundkörpers 3 hintereinander angeordnet. In Abhängigkeit von der gewünschten Neigung der Führungsschiene 4 mit der Sägekette 5 gegenüber der Auflageplatte 12 rastet der Bediener der Trennvorrichtung 1 den arretierbaren Rastzapfen 20 in,eine der Rastöffnungen ein.A slot 16 in the support plate 12 allows the main body 3 of the cutting tool 1 and with this the saw chain 5 between the working position shown in FIG. 1 and a rest position in which the saw chain 5 is out of engagement with the sandwich panel 2, back and forth to pan. To carry out this pivoting movement, the operator of the separating tool 1 has handles 17, 18 on the base body 3. When pivoting the base body 3 with the saw chain 5 from the rest to the working position, an elastic counterforce is overcome, which is applied by a deformed in execution of the respective pivoting movement and not shown in detail torsion spring of the pivot bearing 13. In the working position of the main body 3 of the cutting tool 1 with different pivotal positions of the base body 3 relative to the support plate 12 and thus with different pivotal positions of the saw chain 5 and the guide rail 4 relative to the sandwich panel 2 are locked. This includes a detent device 19. This comprises a plurality of detent openings on the base body 3 of the cutting tool 1 and a displaceable in the axial direction against spring lockable latching pin 20 which slidably supported on a bearing block 12 connected to the bearing block 21 of the pivot bearing 13 in its axial direction is. The latching openings are located on the side facing away from the viewer of Fig. 1 side of the base body 3 and are arranged in the direction of pivotal movement of the base body 3 in a row. Depending on the desired inclination of the guide rail 4 with the saw chain 5 relative to the support plate 12 engages the operator of the separator 1 the lockable locking pin 20 in, one of the locking openings.

Ehe sich die in Fig. 1 dargestellten Verhältnisse ergeben haben, war der Grundkörper 3 bei eingeschaltetem Elektromotor 6 aus einer Ruhestellung, in welcher sich die Sägekette 5 sowie die Kettenführung 4 auf der von der Sandwichplatte 2 abgewandten Seite der Auflageplatte 12 befunden hatten, im Gegenuhrzeigersinn um die Achse 14 geschwenkt worden. Im Laufe dieser Schwenkbewegung war die Sägekette 5 durch den Schlitz 16 der Auflageplatte 12 auf der Oberfläche der Sandwichplatte 2 zur Auflage gekommen. Infolge fortgesetzter Schwenkbewegung hatte sich die Sägekette 5 in die Sandwichplatte 2 eingeschnitten, bis sie schließlich am Ende der Schwenkbewegung mit der Führungsschiene 4 wie in Fig. 1 gezeigt gegen die Sandwichplatte 2 geneigt war. Anschließend war das Trennwerkzeug 1 von dem Bediener in Schnittrichtung, d.h. in Richtung eines Pfeils 22, auf der Sandwichplatte 2 gleitend verschoben und auf diese Art und Weise in der Sandwichplatte 2 ein Trennschlitz erstellt worden, der im Innern der Fläche der Sandwichplatte 2 seinen Ausgang nimmt. Während des gesamten Bearbeitungsvorgangs war die Sägekette 5 in ihrer durch einen Pfeil 23 veranschaulichten Bewegungsrichtung umgelaufen. Beim Bearbeiten der Sandwichplatte 2 hatte die Sägekette 5 die verschiedenen Lagen der Sandwichplatte 2 durchtrennt. Der dabei gebildete Schneidstaub war in den Zwischenraum 8 zwischen der Sägekette 5 und dem Gehäuse 7 angesaugt und von dort über den Absaugschlauch 9 abgeführt worden. Die Auflageplatte 12 diente zum Schutz des Bedieners vor der umlaufenden Sägekette 5. Die bei der Bearbeitung der Sandwichplatte 2 an dieser erstellten Schnittflächen hatten im Zusammenspiel mit der Sägekette 5 deren seitliche Führung während des Trennvorgangs bewirkt.Before the conditions shown in Fig. 1 have shown, the base body 3 was when the electric motor 6 from a rest position in which the saw chain 5 and the chain guide 4 had been located on the side remote from the sandwich panel 2 side of the support plate 12, counterclockwise has been pivoted about the axis 14. In the course of this pivotal movement, the saw chain 5 had come through the slot 16 of the support plate 12 on the surface of the sandwich plate 2 for support. As a result of continued pivotal movement, the saw chain 5 had cut into the sandwich panel 2 until it was finally inclined against the sandwich panel 2 at the end of the pivotal movement with the guide rail 4 as shown in FIG. Subsequently, the cutting tool 1 by the operator in the cutting direction, ie in the direction of an arrow 22, slidably moved on the sandwich panel 2 and in this way in the sandwich panel 2, a separating slot has been created, which takes its output inside the surface of the sandwich panel 2 , Throughout the machining operation, the saw chain 5 had been rotated in its direction of movement illustrated by an arrow 23. When machining the sandwich panel 2, the saw chain 5 had the various layers of the sandwich panel 2 severed. The cutting dust formed was sucked into the gap 8 between the saw chain 5 and the housing 7 and discharged from there via the suction hose 9. The support plate 12 was used to protect the operator from the circulating saw chain 5. The cut surfaces created during the processing of the sandwich panel 2 had, in interaction with the saw chain 5, caused their lateral guidance during the separation process.

Wie aus den Fign. 2 bis 4 hervorgeht, besteht die Sägekette 5 aus drei quer zu ihrer Bewegungsrichtung 23 nebeneinander liegenden Reihen von Kettengliedern 24, 25, 26. Dabei handelt es sich bei den Kettengliedern 24, 26 um konstruktiv miteinander übereinstimmende Außenglieder, bei den Kettengliedern 25 um Mittenglieder der Sägekette 5. Die nebeneinander liegenden Außenglieder 24, 26 fluchten miteinander, während die Mittenglieder 25 in Bewegungsrichtung 23 der Sägekette 5 gegen die Außenglieder 24, 26 versetzt angeordnet sind und mit in Bewegungsrichtung 23 der Sägekette 5 hintereinander liegenden Außengliedern 24, 26 überlappen (Fig. 2).As shown in Figs. 2 to 4, the saw chain 5 consists of three transverse to their direction of movement 23 adjacent rows of chain links 24, 25, 26. These are the chain links 24, 26 structurally matching outer links, in the chain links 25 to center members of Saw chain 5. The juxtaposed outer members 24, 26 are aligned with each other, while the center members 25 are arranged offset in the direction of movement 23 of the saw chain 5 against the outer members 24, 26 and with in the direction of movement 23 of the saw chain 5 consecutive outer members 24, 26 overlap (Fig. 2).

Jeweils nach außen weisende und folglich bei der Bearbeitung den an der Sandwichplatte 2 erstellten Schnittflächen gegenüberliegende Flächen 27, 28 der Außenglieder 24, 26 sind abgestuft (Fig. 4). Streifenartige Überstände 29, 30 erstrecken sich dabei in Bewegungsrichtung 23 der Sägekette 5 und bilden vorgesetzte Teilflächen 31, 32 aus. Die vorgesetzten Teilflächen 31 an den Außengliedern 24 fluchten in Bewegungsrichtung 23 der Sägekette 5 ebenso miteinander wie die vorgesetzten Teilflächen 32 der Außenglieder 26. Gegenüber den Teilflächen 31, 32 zurückgesetzt sind Teilflächen 33, 34 der Flächen 27, 28. Mit der beschriebenen Abstufung der Flächen 27, 28 der Außenglieder 24, 26 ergibt sich eine entsprechende Abstufung der beiden betreffenden Seitenflächen der Sägekette 5 insgesamt.In each case outwardly facing and consequently in the processing of the created on the sandwich panel 2 cut surfaces 27, 28 of the outer members 24, 26 are stepped (Fig. 4). Strip-like projections 29, 30 extend in the direction of movement 23 of the saw chain 5 and form superior partial surfaces 31, 32 made. The superior partial surfaces 31 on the outer members 24 are aligned in the direction of movement 23 of the saw chain 5 with each other as the superior sub-surfaces 32 of the outer members 26. Opposite the sub-surfaces 31, 32 are reset partial surfaces 33, 34 of the surfaces 27, 28. With the described gradation of the surfaces 27, 28 of the outer members 24, 26 results in a corresponding gradation of the two respective side surfaces of the saw chain 5 in total.

Als seitliche Führungsflächen der Sägekette 5 bei der Bearbeitung der Sandwichplatte 2 wirken lediglich die vorgesetzten Teilflächen 31, 32 der beiden Reihen von Außengliedern 24, 26. An den Teilflächen 31, 32 ergibt sich ein reibender Kontakt mit der jeweils zugeordneten Schnittfläche an der Sandwichplatte 2. Nachdem diese Reibflächen aber verhältnismäßig klein sind, ist auch der infolge der seitlichen Führung der Sägekette 5 auftretende Reibwiderstand für die Bewegung der Sägekette 5 relativ gering. Im dargestellten Beispielsfall entspricht die Breite der streifenartigen Überstände 29, 30 und somit die Breite der vorgesetzten Teilflächen 31, 32 der Außenglieder 24, 26 in etwa der doppelten Höhe von Schneidzähnen 35, 36.As lateral guide surfaces of the saw chain 5 in the processing of the sandwich panel 2, only the superior partial surfaces 31, 32 of the two rows of outer members 24, 26 act on the partial surfaces 31, 32 results in a frictional contact with the respectively associated cutting surface on the sandwich panel. 2 After these friction surfaces but are relatively small, and the friction occurring due to the lateral guidance of the saw chain 5 for the movement of the saw chain 5 is relatively low. In the illustrated example case corresponds to the width of the strip-like projections 29, 30 and thus the width of the superior partial surfaces 31, 32 of the outer members 24, 26 in about twice the height of cutting teeth 35, 36th

Die Schneidzähne 35, 36 weisen quer zu der Bewegungsrichtung 23 der Sägekette 5 verlaufende Schneidkanten 37, 38 auf und liegen mit ihren nach außen gewandten Zahnstirnflächen in den vorgesetzten Teilflächen 31, 32 der Außenglieder 24, 26. Schneidzähne 39 der Mittenglieder 25 der Sägekette 5 besitzen Schneidkanten 40, die ebenfalls quer zu der Bewegungsrichtung 23 der Sägekette 5 verlaufen.The cutting teeth 35, 36 have transverse to the direction of movement 23 of the saw chain 5 extending cutting edges 37, 38 and lie with their outwardly facing tooth faces in the superior faces 31, 32 of the outer members 24, 26 cutting teeth 39 of the center members 25 of the saw chain 5 have cutting edges 40, which also extend transversely to the direction of movement 23 of the saw chain 5.

Miteinander verbunden sind die Außenglieder 24, 26 sowie die Mittenglieder 25 der Sägekette 5 über Kettenbolzen 41 mit jeweils zwei Bolzenköpfen 42. Die Bolzenköpfe 42 sind dabei im Bereich der zurückgesetzten Teilflächen 33, 34 an den Außengliedern 24, 26 angeordnet und ebenfalls gegenüber den vorgesetzten Teilflächen 31, 32 der Außenglieder 24, 26 zurückgesetzt.Connected to each other are the outer members 24, 26 and the center members 25 of the saw chain 5 via chain pins 41, each with two bolt heads 42. The bolt heads 42 are arranged in the recessed faces 33, 34 on the outer members 24, 26 and also with respect to the superior faces 31, 32 of the outer members 24, 26 reset.

Wie aus Fig. 4 hervorgeht, durchsetzt jeder Kettenbolzen 41 zwei nebeneinander liegende Außenglieder 24, 26 sowie das zwischen diesen angeordnete Mittenglied 25 an einer im Querschnitt abgestuften Bohrung 46. In ihren den Mittengliedern 25 zugeordneten axialen Abschnitten sind die Kettenbolzen 41 entsprechend der Abstufung der Bohrungen 46 zu einem Bund 43 radial erweitert, wobei der Bund 43 in axialer Richtung geringfügig über die Außenflächen des jeweiligen Mittengliedes 25 vorsteht. Auf diese Art und Weise wird ein großflächiger Kontakt zwischen den Außengliedern 24, 26 und den Mittengliedern 25 der Sägekette 5 vermieden. Dies wiederum führt zu einer Minimierung der Reibung, die dann auftritt, wenn die Außenglieder 24, 26 sowie die Mittenglieder 25 bei der Umlenkung der Sägekette 5 relativ zueinander um die Kettenbolzen 41 verschwenken.As is apparent from Fig. 4, passes through each chain pin 41 two adjacent outer members 24, 26 and disposed therebetween the middle member 25 on a stepped cross-section bore 46. In their middle parts associated with the axial sections 25, the chain pins 41 corresponding to the gradation of the holes 46 radially expanded to a collar 43, wherein the collar 43 projects slightly beyond the outer surfaces of the respective center member 25 in the axial direction. In this way, a large-area contact between the outer members 24, 26 and the middle members 25 of the saw chain 5 is avoided. This in turn leads to a minimization of the friction, which occurs when the outer members 24, 26 and the center members 25 in the deflection of the saw chain 5 relative to each other about the chain pins 41 pivot.

Zur Fertigung der Außenglieder 24, 26 der Sägekette 5 wurde zunächst jeweils ein im Querschnitt rechteckiger Streifen aus Eisenblech mit einem gleich dicken und im Querschnitt ebenfalls rechteckigen Streifen aus Werkzeugstahl verschweißt. An dem aus Werkzeugstahl bestehenden Teil der so erhaltenen Rohlinge wurden dann die Schneidzähne 35 bzw. 36 freigeräumt. Erstellt wurden dabei auch in Fig. 2 erkennbare Abflachungen 44, 45, welche den Schneidzähnen 35, 36 in Bewegungsrichtung 23 der Sägekette 5 vorgelagert sind. Diese Abflachungen 44, 45 dienen dazu, im Falle einer nicht hinreichenden Spannung der Sägekette 5 ein Abheben der Außenglieder 24, 26 und somit der gesamten Sägekette 5 von der Führungsschiene 4 zu verhindern. Die Schneidzähne 35, 36 wurden derart erstellt, daß die senkrechten Projektionen ihrer Schneidkanten 37, 38 entlang einer nach außen gekrümmten Bogenlinie angeordnet sind. In Fig. 3 ist diese Bogenlinie an einem der gezeigten Außenglieder 24 strichpunktiert angedeutet.To produce the outer members 24, 26 of the saw chain 5, a rectangular strip of iron sheet was first welded to a strip of tool steel of the same thickness and also rectangular in cross section. The cutting teeth 35 and 36 were then cleared of the tool steel part of the blanks thus obtained. Recognizable flattenings 44, 45, which are located upstream of the cutting teeth 35, 36 in the direction of movement 23 of the saw chain 5, have also been produced in FIG. 2. These flats 44, 45 serve to prevent lifting of the outer links 24, 26 and thus of the entire saw chain 5 from the guide rail 4 in the event of insufficient tension of the saw chain 5. The cutting teeth 35, 36 have been created such that the vertical projections of their cutting edges 37, 38 are arranged along an outwardly curved arc line. In Fig. 3, this arc line is indicated by dash-dotted lines on one of the outer members 24 shown.

Nach dem Fertigen der Schneidzähne 35, 36 sowie der Erstellung der Abflachungen 44, 45 wurden die aus Eisenblech bestehenden Teile der Kettenglied-Rohlinge durch Abschleifen von Material in ihrer Dicke reduziert. Zu diesem Zweck wurde ein Walzenschleifer eingesetzt. Abschließend wurden dann die Bohrungen 46 erstellt. Als Ergebnis der beschriebenen Bearbeitung der Kettenglied-Rohlinge ergaben sich die dargestellten Außenglieder 24, 26 mit den vorgesetzten Teilflächen 31, 32 an den aus Werkzeugstahl bestehenden Teilen und den zurückgesetzten Teilflächen 33, 34 an den aus Eisenblech gefertigten Teilen der Außenglieder 24, 26. Zwischen den vorgesetzten Teilflächen 31, 32 und den zurückgesetzten Teilflächen 33, 34 verlaufen als Übergangsflächen jeweils Schrägflächen.After fabricating the cutting teeth 35, 36 and the preparation of the flats 44, 45, the consisting of iron sheet parts of the chain link blanks were reduced by grinding material in its thickness. For this purpose, a roll grinder was used. Finally, the holes 46 were then created. As a result of the described processing of the chain link blanks, the illustrated outer members 24, 26 with the superior faces 31, 32 resulted in the existing tool steel parts and the recessed faces 33, 34 at the made of sheet iron parts of the outer members 24, 26. Between the superior partial surfaces 31, 32 and the recessed surfaces 33, 34 extend as transitional surfaces each inclined surfaces.

Abweichend von dem vorstehend beschriebenen Fertigungsverfahren hätten zunächst auch Werkzeugstahlstreifen mit gegenüber diesen in der Dicke reduzierten Eisenblechstreifen verschweißt werden können. Ein Materialabtrag an den aus Eisenblech bestehenden Teilen der erhaltenen Kettenglied-Rohlinge zur Erzeugung der gewünschten Abstufung an der Außenseite der Kettenglieder hätte sich dann erübrigt.Notwithstanding the manufacturing method described above, tool steel strips with iron strip strips reduced in thickness compared to these could have been welded first. A material removal on the iron sheet existing parts of the chain link blanks obtained to produce the desired gradation on the outside of the chain links would then be unnecessary.

Rohlinge für die Mittenglieder 25 wurden aus Werkzeugstahlblechen jeweils mit einer ersten Angriffsfläche 47 sowie einer zweiten Angriffsfläche 48 ausgestanzt. Über die ersten Angriffsflächen 47 werden die Mittenglieder 25 im Betrieb von einem Kettenrad angetrieben, das seinerseits mit dem Elektromotor 6 des Trennwerkzeugs 1 gemäß Fig. 1 antriebsverbunden ist. Über die zweiten Angriffsflächen 48 versetzen die Mittenglieder 25 ein Führungskettenrad an dem freien Ende der ebenfalls in Fig. 1 gezeigten Führungsschiene 4 in Bewegung. Wie in Fig. 3 angedeutet, verlaufen die ersten Angriffsflächen 47 und die zweiten Angriffsflächen 48 der Mittenglieder 25 jeweils symmetrisch bezüglich einer Mittelsenkrechten auf den Abstand der beiden Bohrungen 46 der einzelnen Mittenglieder 25.Blanks for the center members 25 were punched out of tool steel sheets each having a first engagement surface 47 and a second engagement surface 48. In operation, the center members 25 are driven by a sprocket via the first engagement surfaces 47, which in turn is drive-connected to the electric motor 6 of the parting tool 1 according to FIG. Via the second engagement surfaces 48, the center links 25 set a guide sprocket in motion at the free end of the guide rail 4, also shown in FIG. As indicated in FIG. 3, the first engagement surfaces 47 and the second engagement surfaces 48 of the center links 25 each extend symmetrically with respect to a perpendicular bisector to the distance between the two bores 46 of the individual center links 25.

Ebenfalls ausweislich Fig. 3 stehen die Schneidkanten 40 der Mittenglieder 25 an der Schneidkette 5 gegenüber den Schneidkanten 37, 38 der Außenglieder 24, 26 nach außen geringfügig vor. Auch die senkrechten Projektionen der Schneidkanten 40 an den Mittengliedern 25 sind entlang einer nach außen gekrümmten Bogenlinie angeordnet.Also shown in FIG. 3 are the cutting edges 40 of the center members 25 on the cutting chain 5 against the cutting edges 37, 38 of the outer members 24, 26 slightly outward. Also, the vertical projections of the cutting edges 40 on the center members 25 are arranged along an outwardly curved arc line.

Claims (5)

  1. Saw chain for a tool for cutting sandwich panels (2), having three rows of chain links, which rows lie adjacent to each other transversely to the direction of movement (23) of the saw chain (5) and which chain links are arranged one behind the other in each case in the direction of movement (23) of the saw chain (5) and have cutting teeth (35, 36, 39), wherein
    - the chain links of the two external rows form external links (24, 26) and the chain links of the row lying therebetween form central links (25),
    - the adjacent external links (24, 26) are aligned with each other and the central links (25) are arranged offset relative to the external links (24, 26) in the direction of movement (23) of the saw chain (5) and overlap with external links (24, 26) lying one behind the other in the direction of movement (23) of the saw chain (5),
    - the external links (24, 26) form side faces of the saw chain (5) which lie opposite each other and at a distance from each other and which, in operation, face the cut faces created and
    - the cutting teeth (35, 36, 39) have, between the side faces of the saw chain (5), cutting edges (37, 38, 40) which extend transversely to the direction of movement (23) of the saw chain (5), the cutting teeth (35, 36) of the external links (24, 26) lying with a tooth end face in a side face of the saw chain (5),
    characterised in that
    the side faces of the saw chain (5) are stepped, with stepping of the faces (27, 2B) of the external links (24, 26) of the saw chain (5) that, in operation, face the cut faces created, wherein
    - a respective projection (29, 30), which extends in a strip-like manner in the direction of movement (23) of the saw chain (5), is formed on each of the external links (24, 26) of the saw chain (5), and each of the strip-like projections (29, 30) of the external links (24, 26) forms a respective partial face (31, 32) which is set forward towards the cut face associated therewith in operation and relative to which a set-back partial face (33, 34) is set back,
    - the end faces of the cutting teeth (35, 36) of the respective external link (24, 26) lie in the set-forward partial face (31, 32) and
    - the set-forward partial faces (31, 32) of the strip-like projections (29, 30) on one and the same side face of the saw chain (5) are aligned with each other in the direction of movement (23) of the saw chain (5).
  2. Saw chain according to claim 1, characterised in that at least one of the chain links (24, 26) forming a portion of at least one of the side faces of the saw chain (5) is in the form of a composite component, comprising at least one portion which is provided with cutting teeth (35, 36) and which forms at least one set-forward partial face (31, 32), and comprising at least one further portion which forms at least one set-back partial face (33, 34).
  3. Saw chain according to claim 2, characterised in that the portion(s) of the chain link(s) (24, 26) in the form of (a) composite component(s) that is (are) provided with cutting teeth (35, 36) and that form(s) at least one set-forward partial face (31, 32) is(are) manufactured from a material of relatively great hardness and the further portion(s) is(are) manufactured from a material of lesser hardness.
  4. Saw chain according to any one of the preceding claims, wherein the chain links (24, 25, 26) are connected to each other by means of link pins (41) having pin heads (42), characterised in that the pin heads (42) of the link pins (41) are arranged in the region of set-back partial faces (33, 34) and are aligned with the set-forward partial faces (31, 32) or are set back relative thereto.
  5. Saw chain according to any one of the preceding claims, characterised in that the pin heads (42) of the link pins (41) are constructed to be flat on their underside and are supported on the respective associated and likewise flat set-back partial face (33, 34) in the axial direction of the link pins (41).
EP00118361A 1999-09-09 2000-08-24 Saw chain for a tool for cutting sandwich panels Expired - Lifetime EP1083031B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29915852U 1999-09-09
DE29915852U DE29915852U1 (en) 1999-09-09 1999-09-09 Saw chain for a tool for cutting sandwich panels

Publications (3)

Publication Number Publication Date
EP1083031A2 EP1083031A2 (en) 2001-03-14
EP1083031A3 EP1083031A3 (en) 2004-02-11
EP1083031B1 true EP1083031B1 (en) 2006-06-07

Family

ID=8078670

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Application Number Title Priority Date Filing Date
EP00118361A Expired - Lifetime EP1083031B1 (en) 1999-09-09 2000-08-24 Saw chain for a tool for cutting sandwich panels

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EP (1) EP1083031B1 (en)
AT (1) ATE328710T1 (en)
DE (2) DE29915852U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020239925A1 (en) 2019-05-28 2020-12-03 Voestalpine Precision Strip Gmbh Cutting element for a saw chain and method for the production thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011005039A1 (en) * 2011-03-03 2012-09-06 Robert Bosch Gmbh Machine tool system
AT515667B1 (en) * 2014-05-26 2015-11-15 Prinz Gmbh & Co Kg Saw chain and method of making a link for a saw chain
DE202019103024U1 (en) 2019-05-28 2019-07-04 Voestalpine Precision Strip Gmbh Cutting member for a saw chain

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Publication number Priority date Publication date Assignee Title
US1392503A (en) * 1919-07-08 1921-10-04 Thaddeus A Jackson Endless saw
US1634644A (en) * 1924-02-07 1927-07-05 Samuel J Bens Link for chains or belts
CH370692A (en) * 1956-09-11 1963-07-15 Stihl Andreas Cutting chain on a motorized chain saw for cutting and piercing hard rock
DE1148481B (en) * 1957-10-05 1963-05-09 Andreas Stihl Saw chain for motor chain saws
US4203215A (en) * 1977-07-08 1980-05-20 Hideaki Taniguchi Endless chain for a chain saw
US4887357A (en) * 1986-11-24 1989-12-19 Pro Power Corporation Articulated endless-band saw blade and support therefor
JPS63137801A (en) * 1986-11-24 1988-06-09 プロ　パワー　コーポレーション Saw tooth device
DE29815228U1 (en) * 1998-08-25 1998-11-12 Trumpf Gmbh & Co Cutting device for processing sandwich panels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020239925A1 (en) 2019-05-28 2020-12-03 Voestalpine Precision Strip Gmbh Cutting element for a saw chain and method for the production thereof

Also Published As

Publication number Publication date
EP1083031A2 (en) 2001-03-14
DE29915852U1 (en) 1999-12-23
EP1083031A3 (en) 2004-02-11
DE50012897D1 (en) 2006-07-20
ATE328710T1 (en) 2006-06-15

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