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EP2681019B1 - Dispositif de coupe d'une machine-outil - Google Patents

Dispositif de coupe d'une machine-outil Download PDF

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Publication number
EP2681019B1
EP2681019B1 EP12716220.4A EP12716220A EP2681019B1 EP 2681019 B1 EP2681019 B1 EP 2681019B1 EP 12716220 A EP12716220 A EP 12716220A EP 2681019 B1 EP2681019 B1 EP 2681019B1
Authority
EP
European Patent Office
Prior art keywords
cutting
power tool
torque
guide unit
transmitting element
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.)
Not-in-force
Application number
EP12716220.4A
Other languages
German (de)
English (en)
Other versions
EP2681019A1 (fr
Inventor
Rudolf Fuchs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2681019A1 publication Critical patent/EP2681019A1/fr
Application granted granted Critical
Publication of EP2681019B1 publication Critical patent/EP2681019B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/02—Chain saws equipped with guide bar
    • 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

Definitions

  • the invention is based on a power-tool parting device according to the preamble of patent claim 1, in particular of a hand-held power tool separating device with at least one guide unit, which forms a closed system at least together with the cutting strand, and with at least one torque transmission element mounted at least partially by the guide unit for driving the cutting strand.
  • the invention provides a power-tool parting device according to claim 1.
  • the fact that the torque transmission element has an extension along an axis of rotation of the torque transmitting element at least in a partial region, which terminates at least substantially flush with the outer surface of the guide unit, can be advantageously ensured a secure mounting of the torque transmitting element and a compact design of the guide unit.
  • the torque transmission element is arranged to be movable at least in an uncoupled state at least transversely to a cutting direction of the cutting strand and / or along the cutting direction in the guide unit.
  • the torque transmission element is at least partially surrounded by side walls of the guide unit.
  • a "cutting strand” is to be understood here as meaning, in particular, a unit which is intended to provide atomic cohesion of a material to be processed Picking up work locally, in particular by means of a mechanical separation and / or by means of a mechanical removal of material particles of the workpiece.
  • the cutting strand is intended to separate the workpiece into at least two physically separate parts and / or at least partially separate material particles of the workpiece, starting from a surface of the workpiece and / or remove.
  • the cutting strand is circumferentially moved in at least one operating state, in particular along a circumference of the guide unit.
  • a "guide unit” is to be understood here in particular as a unit which is provided to exert a constraining force on the cutting strand at least along a direction perpendicular to a cutting direction of the cutting strand, in order to predetermine a possibility of movement of the cutting strand along the cutting direction.
  • "intended” should be understood to mean in particular specially designed and / or specially equipped.
  • the guide unit has at least one guide element, in particular a guide groove, through which the cutting strand is guided.
  • the cutting strand viewed in a cutting plane, guided along an entire circumference of the guide unit by the guide unit by means of the guide element, in particular the guide groove.
  • cutting plane should in particular define a plane in which the cutting strand is moved in at least one operating state along a circumference of the guide unit in at least two mutually oppositely directed cutting directions relative to the guide unit.
  • the cutting plane is aligned at least substantially transversely to a machined workpiece surface when machining a workpiece.
  • at least essentially transversal is to be understood here as meaning, in particular, an alignment of a plane and / or a direction relative to a further plane and / or a further direction, preferably a parallel orientation of the plane and / or the direction relative to the other Level and / or the other direction deviates.
  • the cutting plane is aligned at a machining of a workpiece at least substantially parallel to a machined workpiece surface, in particular in an embodiment of the cutting strand as abrasive, etc.
  • at least substantially parallel should in particular an orientation of a direction relative be understood to a reference direction, in particular in a plane, wherein the direction relative to the reference direction has a deviation, in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
  • a "cutting direction” is to be understood here as meaning, in particular, a direction along which the cutting strand is used to produce a cutting gap and / or for separating and / or removing material particles of a workpiece to be machined in at least one operating state as a result of a drive force and / or a drive torque, especially in the guide unit, is moved.
  • the cutting strand is moved in an operating state along the cutting direction relative to the guide unit.
  • the guide unit preferably has a geometric shape which, viewed in the cutting plane, has a closed outer contour which comprises at least two mutually parallel straight lines and at least two respective connecting ends of the straight lines connecting connecting sections, in particular circular arcs.
  • the term "closed system” is intended to define a system comprising at least two components that retain functionality and / or disassemble functionality by interacting in a disassembled state of the system from a higher-level system such as a machine tool State are permanently connected to each other.
  • the at least two components of the closed system are at least substantially inseparably connected with each other for an operator.
  • at least substantially insoluble should be understood in particular a combination of at least two components that only with the aid of separation tools, such as a saw, in particular a mechanical saw, etc., and / or chemical release agents, such as solvents, etc. , are separable from each other.
  • An "uncoupled state” is to be understood here in particular as a state of the torque transmission element and / or the power-tool parting device in which the torque-transmitting element is decoupled from a pinion of a drive unit of a portable power tool and / or a gear and / or a toothed shaft of a gear unit of the portable power tool is and / or the machine tool separating device is decoupled from a coupling device and / or from a tool holder of the portable power tool.
  • movably arranged is intended here in particular an arrangement of the torque transmission element in the guide unit, wherein the torque transmission element, in particular decoupled from an elastic deformation of the torque transmission element, a movement possibility along at least a distance greater than 0.1 mm, preferably greater than 1 mm.
  • a pinion of a drive unit and / or a gear and / or a toothed shaft of a gear unit can be used for centering and / or mounting of the torque transmitting element in a coupled state of the torque transmitting element. It can also be advantageously achieved a clamping of the cutting strand in a coupled state of the torque transmitting element.
  • the guide unit has at least in an outer surface of the guide unit a recess in which the torque transmission element is at least partially arranged.
  • the outer surface of the guide unit preferably runs at least substantially parallel to the cutting plane.
  • a partial region of the torque transmission element is arranged in the recess of the guide unit. It can be advantageously achieved by means of the recess of the guide unit, a bearing of the torque transmitting element in the guide unit.
  • the torque transmission element preferably has an outer dimension extending at least substantially perpendicularly to a rotation axis of the torque transmission element at least in a partial region arranged in the recess of the outer surface of the guide unit, which is at least 0.1 mm smaller than at least substantially perpendicular to the axis of rotation of the torque transmission element extending inner dimension of the recess.
  • substantially perpendicular is intended here in particular to an orientation of a direction relative to a reference direction define, wherein the direction and the reference direction, especially when viewed in a plane, include an angle of 90 ° and the angle has a maximum deviation of particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
  • the maximum difference between the dimension of the arranged in the recess portion of the torque transmitting element and the inner dimension of the recess is smaller than 2 mm. It can be advantageously achieved a clearance fit between the torque transmitting element and the recess, in particular between the arranged in the recess of the guide unit portion of the torque transmitting element and the recess. The clearance fit can be used advantageously for tensioning the cutting strand in a coupled state of the torque transmission element.
  • the torque transmission element has, at least in a partial region, an extension along an axis of rotation of the torque transmission element which terminates at least substantially flush with an outer surface of the guide unit.
  • the term "at least substantially flush” is to be understood here in particular as an arrangement of the torque transmission element, in particular the portion of the torque transmission element, in an assembled state, wherein the torque transmission element, in particular the portion of the torque transmitting element, in an assembled state, along the axis of rotation of the torque transmission element considered, maximum extends to an outer surface of the guide unit.
  • the torque transmission element in particular the portion of the torque transmission element, extends in a mounted state along the axis of rotation of the torque transmission element, starting from a first outer surface of the guide unit to a second outer surface of the guide unit, which is parallel to the first outer surface. It can be advantageously achieved a compact design of the machine tool separating device.
  • the cutting strand on at least one cutter support member having in an assembled state on a torque transmitting member facing side of the cutter support member at least one recess into which the torque transmitting element in at least an operating state for driving the cutting strand engages.
  • the torque transmission element is preferably designed as a toothed wheel which has a multiplicity of teeth for driving the cutting strand along a circumferential direction extending in a plane extending perpendicular to the axis of rotation.
  • the recess of the cutter carrier element is preferably formed corresponding to an outer contour of the teeth of the torque transmission element designed as a gear.
  • the torque transmission element and / or the cutter support element has another, a skilled person appear appropriate design. It can structurally simple forces and / or torques are transmitted to drive the cutting strand to the cutter support element.
  • the cutter support element is at least substantially circular arc-shaped, at least on the side facing the torque-transmitting element.
  • the side of the cutter support element facing the torque transmission element in an assembled state is configured in a circular arc shape, in particular in at least one subregion, between a central axis of the connecting element arranged in and / or on the cutter carrier element and a center axis of a connecting recess of the cutter carrier element for receiving the connecting element.
  • the arcuate portion is adjacent to the recess into which the torque transmitting element engages formed.
  • the circular-arc-shaped partial region has a radius which corresponds at least essentially to a radius of a deflection contour of the guide unit, in particular a deflection contour of a guide element of the guide unit arranged on a convex end.
  • the torque transmitting element in a mounted state facing side of the cutter support member, in particular the subregion is concave. It may be advantageous to achieve a deflection of the cutter support element in an operation of the power tool separating device. Furthermore, advantageously, a small deflection radius can be realized during a deflection of the cutter support element.
  • the torque transmission element has at least one coupling recess, which in an assembled state with a drive element a portable machine tool can be coupled.
  • the torque transmission element has a concentric coupling recess into which a pinion of a drive unit of a portable power tool and / or a gear and / or a toothed shaft of a gear unit of the portable power tool can engage in the coupled state of the torque transmission element and / or the power-tool parting device.
  • the coupling recess is in this case preferably formed by a hexagon socket.
  • the coupling recess to have another configuration that appears appropriate to a person skilled in the art.
  • forces and / or torques for driving the cutting strand can be transmitted from the drive unit and / or the gear unit of the portable power tool to the torque transmission element.
  • the invention is based on a portable power tool with a machine tool separating device according to the invention with a coupling device for positive and / or non-positive coupling with a machine tool separating device according to the invention.
  • a "portable machine tool” is to be understood here in particular as meaning a machine tool, in particular a hand tool machine, which can be transported without transport machine by an operator.
  • the portable power tool has a mass which is less than 40 kg, preferably less than 10 kg and particularly preferably less than 5 kg.
  • the machine tool separating device according to the invention and the portable machine tool according to the invention particularly preferably form a machine tool system. It can be advantageously achieved a portable machine tool, which is particularly advantageous for a wide range of applications.
  • the portable power tool comprises at least one drive unit which is intended to drive the cutting strand in at least one operating state with a cutting speed of less than 6 m / s, in particular along the cutting direction of the cutting strand.
  • the drive unit is provided to drive the cutting strand with a cutting speed of less than 5 m / s and more preferably with a cutting speed of less than 4 m / s.
  • the machine tool separating device according to the invention and / or the portable power tool according to the invention should not be limited to the application and embodiment described above.
  • the machine tool separating device according to the invention and / or the portable power tool according to the invention may have a number deviating from a number of individual elements, components and units specified herein for fulfilling a mode of operation described herein.
  • FIG. 1 shows a portable power tool 44 with a power tool separating device 10, which together form a power tool system.
  • the portable power tool 44 has a coupling device 46 for the positive and / or non-positive coupling with the power-tool parting device 10.
  • the coupling device 46 can be designed as a bayonet closure and / or as another coupling device which appears expedient to a person skilled in the art.
  • the portable power tool 44 has a power tool housing 52 enclosing a drive unit 48 and a gear unit 50 of the portable power tool 44.
  • the drive unit 48 and the gear unit 50 are operatively connected with one another in a manner already known to a person skilled in the art in order to generate a drive torque that can be transmitted to the power-tool parting device 10.
  • the transmission unit 50 is designed as an angle gear.
  • the drive unit 48 is designed as an electric motor unit. However, it is also conceivable for the drive unit 48 and / or the gear unit 50 to have another configuration that appears appropriate to a person skilled in the art.
  • the drive unit 48 is provided to drive a cutting strand 12 of the power-tool parting device 10 in at least one operating state with a cutting speed of less than 6 m / s.
  • the portable power tool 44 has at least one operating mode in which a drive of the cutting strand 12 in a guide unit 14 of the power-tool parting device 10 along a cutting direction 18 of the cutting strand 12 is made possible with a cutting speed less than 6 m / s.
  • FIG. 2 shows the power tool separating device 10 in a decoupled from the coupling device 46 of the portable power tool 44 state.
  • the machine tool separating device 10 has the cutting strand 12 and the guide unit 14, which together form a closed system.
  • the guide unit 14 is designed as a sword.
  • the convex ends 54, 56 of the guide unit 14 are arranged on two opposite sides of the guide unit 14.
  • the cutting strand 12 is guided by means of the guide unit 14.
  • the guide unit 14 has at least one guide element 58 (FIG. FIG. 6 ), by means of which the cutting strand 12 is guided.
  • the guide element 58 is in this case designed as a guide groove 60, which extends in a cutting plane of the cutting strand 12 along an entire circumference of the guide unit 14.
  • the cutting strand 12 is guided by means of the guide groove 60 bounding edge regions of the guide unit 14.
  • the guide element 58 is formed in another manner that appears appropriate to a person skilled in the art, such as, for example, rib-like molding on the guide unit 14, which engages in a recess on the cutting strand 12.
  • the cutting strand 12 is, viewed in a plane perpendicular to the cutting plane, surrounded by three sides of the guide groove 60 bounding edge regions ( FIG. 6 ).
  • the cutting strand 12 is circumferentially moved in the guide groove 60 relative to the guide unit 14 during operation.
  • the power-tool parting device 10 has a torque transmission element 16 at least partially supported by means of the guide unit 14 for driving the cutting strand 12.
  • the torque transmission element 16 is in a coupled state for driving the cutting strand 12 with a pinion (not shown here) of the drive unit 48 and / or a gear (not shown here) and / or a toothed shaft (not shown here) of the gear unit 50 coupled.
  • the torque transmission element 16 has a coupling recess 42 which can be coupled in a mounted state to a drive element of the portable power tool 44.
  • the coupling recess 42 is arranged concentrically in the torque transmission element 16.
  • the coupling recess 42 is provided, in a coupled state of the torque transmission element 16 and / or the power tool separating device 10 with the pinion (not shown here) of the drive unit 48 and / or the gear (not shown here) and / or the toothed shaft (not shown in detail here) of the transmission unit 50 to be coupled.
  • the coupling recess 42 is formed as a hexagon socket. However, it is also conceivable that the coupling recess 42 has another embodiment which appears expedient to a person skilled in the art.
  • the torque transmission element 16 is arranged to be movable transversely to the cutting direction 18 of the cutting strand 12 and / or along the cutting direction 18 in the guide unit 14 ( FIG. 3 ).
  • the torque transmission element 16 is at least partially disposed between two outer walls 62, 64 of the guide unit 14.
  • the guide unit 14 has in outer surfaces 20, 22 of the outer walls 62, 64 each have a recess 24, 26, in which the torque transmission element 16 is at least partially disposed.
  • the recesses 24, 26 extend, viewed along the direction perpendicular to the cutting plane of the cutting strand 12, in each case along an entire dimension of the outer walls 62, 64.
  • the torque transmission element 16 is arranged with a portion in the recesses 24, 26 of the outer walls 62, 64.
  • the torque transmission element 16 has, at least in the subregion arranged in the recess, an extension along an axis of rotation 28 of the torque transmission element 16, which terminates flush with one of the outer surfaces 20, 22 of the guide unit 14.
  • arranged portion of the torque transmitting element 16 has an at least substantially perpendicular to the axis of rotation 28 of the torque transmitting element 16 extending outer dimension, which is at least 0.1 mm smaller than one at least
  • the arranged in the recesses 24, 26 portion of the torque transmitting element 16 is spaced along a direction perpendicular to the axis of rotation 28 each direction to a respective recess 24, 26 bounding edge substantially perpendicular to the axis of rotation 28 of the torque transmitting element 16 extending inner dimension of the recesses 24 ,
  • the arranged in the recesses 24, 26 portion of the torque transmitting member 16 a clearance within the recesses 24, 26.
  • FIG. 4 shows a detailed view of cutter support elements 30, 32 of the cutting strand 12 of the power tool cutting device 10.
  • the cutting strand 12 includes a plurality of interconnected cutter support members 30, 32 which are each interconnected by a connecting member 66, 68 of the cutting string 12 which is at least substantially flush with one of two outer surfaces 70, 72 of one of the interconnected cutter support members 30, 32 (see FIG . also FIG. 6 ).
  • the outer surfaces 70, 72 extend in a state arranged in the guide groove 60 of the cutting strand 12 at least substantially parallel to the cutting plane.
  • the cutter support elements 30, 32 are each formed integrally with one of the connecting elements 66, 68.
  • the cutter support elements 30, 32 each have a connecting recess 74, 98 for receiving one of the connecting elements 66, 68 of the interconnected cutter support elements 30, 32.
  • the connecting elements 66, 68 are guided by means of the guide unit 14 (FIG. 6).
  • the connecting elements 66, 68 are arranged in an assembled state of the cutting strand 12 in the guide groove 60.
  • the connecting elements 66, 68 may, viewed in a plane perpendicular to the cutting plane, are supported on two side walls 76, 78 of the guide groove 60.
  • the side walls 76, 78 of the guide groove 60 extend, viewed in the cutting plane, starting from the guide unit 14 perpendicular to the cutting direction 18 of the cutting strand 12 to the outside.
  • the cutter support elements 30, 32 of the cutting strand 12 each have a recess 38, 40, which is arranged in each case in an assembled state on a torque transmitting element 16 facing side 34, 36 of the respective cutter support member 30, 32.
  • the torque transmission element 16 engages in at least one operating state for driving the cutting strand 12 into the recesses 38, 40 a.
  • the torque transmission element 16 is in this case designed as a gear.
  • the torque transmitting element 16 comprises teeth 80, 82 which are intended to engage in at least one operating state for driving the cutting strand 12 into the recesses 38, 40 of the cutter support elements 30, 32.
  • the torque transmitting member 16 facing sides 34, 36 of the cutter support members 30, 32 are formed circular arc.
  • the sides 34, 36 of the cutter carrier elements 30, 32 facing the torque transmission element 16 in an assembled state are each in partial regions 88, 90, viewed between a central axis 84 of the respective connecting element 66, 68 and a central axis 86, 96 of the respective connecting recess 74, 98, designed in a circular arc.
  • the arcuate portions 88, 90 are each adjacent to the recesses 38, 40, in which engages the torque transmitting element 16 is formed.
  • the circular-arc-shaped partial regions 88, 90 have a radius which corresponds to a radius of a profile of the guide groove 60 at the convex ends 54, 56.
  • the partial regions 88, 90 are concave ( FIG. 5 ).
  • the cutting strand 12 has cutting elements 92, 94.
  • the cutting elements 92, 94 are each formed integrally with one of the cutter support elements 30, 32.
  • a number of cutting elements 92, 94 depend on a number of cutter support elements 30, 32.
  • a person skilled in the art will select a suitable number of cutting elements 92, 94, depending on the number of cutter support elements 30, 32.
  • the cutting elements 92, 94 are intended to allow a separation and / or removal of material particles of a workpiece to be machined (not shown here).
  • the cutting elements 92, 94 may be formed, for example, as a full chisel, semi-chisel or other, appear appropriate to a person skilled in cutting edge types, which are intended to allow a separation and / or removal of material particles of a workpiece to be machined.
  • the cutting strand 12 is endless.
  • the cutting strand 12 is formed as a cutting chain.
  • the cutter support elements 30, 32 are in this case designed as chain links which are connected to one another by means of the bolt-shaped connecting elements 66, 68.
  • the cutting strand 12, the cutter support elements 30, 32 and / or the connecting elements 66, 68 are configured in another manner that appears appropriate to a person skilled in the art.

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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)

Claims (8)

  1. Dispositif de coupe d'une machine-outil, en particulier dispositif de coupe d'une machine-outil à main, comprenant au moins un tronçon de coupe (12), au moins une unité de guidage (14) qui forme un système fermé au moins conjointement avec le tronçon de coupe (12), le tronçon de coupe (12) et l'unité de guidage (14) étant connectés de manière imperdable l'un à l'autre dans un état du système démonté d'une machine-outil portative, et au moins un élément de transfert de couple (16) supporté au moins en partie au moyen de l'unité de guidage (14), pour l'entraînement du tronçon de coupe (12), l'élément de transfert de couple (16), au moins dans un état désaccouplé, étant disposé de manière déplaçable dans l'unité de guidage (14) au moins transversalement à une direction de coupe (18) du tronçon de coupe (12) et/ou le long de la direction de coupe (18), et l'unité de guidage (14) présentant au moins dans une surface extérieure (20, 22) de l'unité de guidage (14) un évidement (24, 26) dans lequel est disposé au moins en partie l'élément de transfert de couple (16), caractérisé en ce que l'élément de transfert de couple (16) présente, au moins dans une région partielle, une étendue le long d'un axe de rotation (28) de l'élément de transfert de couple (16), qui se termine au moins essentiellement en affleurement avec la surface extérieure (20, 22) de l'unité de guidage (14).
  2. Dispositif de coupe d'une machine-outil selon la revendication 1, caractérisé en ce que l'élément de transfert de couple (16) présente, au moins dans une région partielle disposée dans l'évidement (24, 26) de la surface extérieure (20, 22) de l'unité de guidage (14), une dimension extérieure s'étendant au moins essentiellement perpendiculairement à l'axe de rotation (28) de l'élément de transfert de couple (16), qui est au moins plus petite de 0,1 mm qu'une dimension intérieure de l'évidement (24, 26) s'étendant au moins essentiellement perpendiculairement à l'axe de rotation (28) de l'élément de transfert de couple (16).
  3. Dispositif de coupe d'une machine-outil selon l'une quelconque des revendications précédentes, caractérisé en ce que le tronçon de coupe (12) présente au moins un élément de support de coupe (30, 32) qui, dans un état monté, présente au moins un évidement (38, 40) sur un côté (34, 36) de l'élément de support de coupe (30, 32) tourné vers l'élément de transfert de couple (16), dans lequel évidement l'élément de transfert de couple (16) vient en prise dans au moins un état de fonctionnement pour l'entraînement du tronçon de coupe (12).
  4. Dispositif de coupe d'une machine-outil selon la revendication 3, caractérisé en ce que l'élément de support de coupe (30, 32) est réalisé au moins du côté (34, 36) tourné vers l'élément de transfert de couple (16) au moins essentiellement sous forme d'arc de cercle.
  5. Dispositif de coupe d'une machine-outil selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de transfert de couple (16) présente au moins un évidement d'accouplement (42) qui, dans un état monté, peut être accouplé à un élément d'entraînement d'une machine-outil portative (44).
  6. Machine-outil portative comprenant un dispositif de coupe d'une machine-outil selon la revendication 1, caractérisé en ce que la machine-outil portative présente un dispositif d'accouplement (46) pour l'accouplement par engagement par correspondance de formes et/ou par force de la machine-outil portative avec un dispositif de coupe d'une machine-outil.
  7. Machine-outil portative selon la revendication 6, caractérisée par au moins une unité d'entraînement (48) qui est prévue pour entraîner le tronçon de coupe (12) dans au moins un état de fonctionnement avec une vitesse de coupe inférieure à 6 m/s.
  8. Système de machine-outil comprenant une machine-outil portative selon l'une quelconque des revendications 6 et 7 et avec au moins un dispositif de coupe d'une machine-outil selon l'une quelconque des revendications 1 à 5.
EP12716220.4A 2011-03-03 2012-03-02 Dispositif de coupe d'une machine-outil Not-in-force EP2681019B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110005010 DE102011005010A1 (de) 2011-03-03 2011-03-03 Werkzeugmaschinentrennvorrichtung
PCT/EP2012/000952 WO2012116840A1 (fr) 2011-03-03 2012-03-02 Dispositif de séparation pour machine-outil

Publications (2)

Publication Number Publication Date
EP2681019A1 EP2681019A1 (fr) 2014-01-08
EP2681019B1 true EP2681019B1 (fr) 2015-08-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12716220.4A Not-in-force EP2681019B1 (fr) 2011-03-03 2012-03-02 Dispositif de coupe d'une machine-outil

Country Status (3)

Country Link
EP (1) EP2681019B1 (fr)
DE (1) DE102011005010A1 (fr)
WO (1) WO2012116840A1 (fr)

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