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WO2015120499A1 - Device for profiling a workpiece along a contour - Google Patents

Device for profiling a workpiece along a contour Download PDF

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Publication number
WO2015120499A1
WO2015120499A1 PCT/AT2015/050042 AT2015050042W WO2015120499A1 WO 2015120499 A1 WO2015120499 A1 WO 2015120499A1 AT 2015050042 W AT2015050042 W AT 2015050042W WO 2015120499 A1 WO2015120499 A1 WO 2015120499A1
Authority
WO
WIPO (PCT)
Prior art keywords
contour
cutting edge
profile
cutting
knife
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.)
Ceased
Application number
PCT/AT2015/050042
Other languages
German (de)
French (fr)
Inventor
Franz Heidlmayer
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.)
GFM GmbH
Original Assignee
GFM 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 GFM GmbH filed Critical GFM GmbH
Publication of WO2015120499A1 publication Critical patent/WO2015120499A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00Fencing, e.g. fences, enclosures, corrals
    • E04H17/14Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/20Posts therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D1/00Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only
    • B23D1/003Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only for planing elongated workpieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D1/00Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only
    • B23D1/08Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only by movement of the tool
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D1/00Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only
    • B23D1/20Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines
    • B23D1/26Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines for planing edges or ridges or cutting grooves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D13/00Tools or tool holders specially designed for planing or slotting machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D5/00Planing or slotting machines cutting otherwise than by relative movement of the tool and workpiece in a straight line
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00Methods, machines, or devices not covered elsewhere, for working metal by removal of material
    • B23D79/02Machines or devices for scraping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006Cutting members therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/28Splitting layers from work; Mutually separating layers by cutting
    • B26D3/282Splitting layers from work; Mutually separating layers by cutting by peeling-off
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/34Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00Fencing, e.g. fences, enclosures, corrals
    • E04H17/14Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/1404Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using building blocks, e.g. from concrete or stone
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00Fencing, e.g. fences, enclosures, corrals
    • E04H17/14Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/16Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
    • E04H17/165Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames using panels with rigid filling and frame
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B11/00Means for allowing passage through fences, barriers or the like, e.g. stiles
    • E06B11/02Gates; Doors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D13/00Tools or tool holders specially designed for planing or slotting machines
    • B23D13/02Pivotally-mounted holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006Cutting members therefor
    • B26D2001/0053Cutting members therefor having a special cutting edge section or blade section
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006Cutting members therefor
    • B26D2001/006Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations

Definitions

  • the invention relates to a method for profiling a workpiece along a contour with a paring knife, which has on its broad side at least one edge profile defining the cutting edge and is guided for cutting the contour profile in a feed movement along the contour, and to a device for carrying out the process.
  • the thickness of the knife body has no influence on the cut and can therefore be selected according to the respective strength requirements.
  • material is removed in a span-like manner, which is removed along the chip surface.
  • a disadvantage is that with materials that have a relatively low intrinsic strength in the feed direction, as may be the case for example with flat workpieces with a honeycomb structure, fiber webs, fiber fabrics or foams, there is a risk that exerted by the paring knife on the workpiece Cutting pressure leads to a local deformation or displacement of the material affecting the quality and accuracy of cutting.
  • the invention is therefore based on the object, a method for profiling a workpiece along a contour in such a way that even with materials which are difficult to work because of a feed direction in the low intrinsic strength, advantageous processing conditions can be met without using expensive machine tools to have to.
  • the invention solves the problem by the fact that the paring knife is aligned with its broad side opposite to a plane perpendicular to the feed direction at an acute angle and guided while maintaining this angle along the contour, the cutting edge of the Paring knife along a projection of the target contour profile in the feed direction.
  • the broad side of the knife is rotated out of this plane, whereby a pulling cut is achieved with the effect that the cutting angle is reduced and thus the cutting pressures are reduced , so that a lower material stress sets and therefore also paring knife for Bear- Otherwise, they could not otherwise be profiled with a paring knife due to their reduced inherent strength in the direction of the contour to be processed.
  • the pulling cut resulting from the angle of attack of the broad side of the peeling blade causes a force component in the direction of the workpiece support, which supports the support of the workpiece on the usually swept workpiece support.
  • the cutting edge profile must be changed depending on the angle of attack in order to ensure a profiling according to a nominal contour profile.
  • the geometric shape of the desired contour profile can be chosen largely freely. For this reason, it is possible, inter alia, in a simple manner, profiling filler strips of multilayer fiber fabrics or fiber fabrics with a given radius in a single operation to z. B. to be able to completely line curves in the transition region between legs of carrier profiles.
  • a device which has a peeling knife which has at least one cutting edge on its broad side, a knife head accommodating the peeling blade, which can be moved in two axes of movement and which can be attached to the workpiece perpendicularly to these axes of movement, feeds the method Cutter head along the contour and a rotary drive for the about a pivot axis perpendicular to the axis of rotation rotatably mounted peeling knife for aligning the profile defining the cutting edge relative to the contour comprises.
  • the paring knife with its broad side forming the cutting edge is aligned with an angle to the feed direction at an acute angle and that the blade of the paring knife a course corresponding to the projection of the target contour profile in the feed direction on the vertical axis to the axes of movement through the cutting edge.
  • the contour of the workpiece corresponds to one machined by the cutting edge of the peeling knife predetermined profile is edited.
  • the blade of the peeling blade must consequently have a course which corresponds to the projection of the desired contour profile in the feed direction onto the surface which runs perpendicular to the axes of movement of the cutter head and contains the cutting edge.
  • Such a device requires only four axes of movement, namely two axes of movement for the knife advance along the contour of the workpiece, a vertical Anstellachse and an axis of rotation for the blade alignment with respect to the contour curve at a predetermined angle.
  • the broad side has a not adapted to the contour profile to be machined, straight edge, if using a device with six axes of motion not only the broad side of the peeling knife at a predetermined angle to the contour to be machined guided, but at the same time the inclination of the cutting edge is adjusted so that the desired contour profile can be produced.
  • Cutting at least have a cutting edge. If the peeling knife is provided with two cutting edges laterally delimiting the cutting edge for the peeling cut, only one of these cutting edges will generally be used because of the acute angle of attack of the broad side of the peeling blade forming the cutting edge. In order to use the other cutting edge, either reverse the feed direction or select the angle of attack of the peeling knife for the opposite feed movement. If the cutting edge is inclined in the feed direction, a pulling cut can also be used for the dividing cuts that can be carried out with such cutting edges.
  • the paring knife can be adapted in different ways to the respective requirements, because according to the invention, it is important above all to guide the paring knife with a cutting edge which corresponds to the projection of the nominal contour profile at the angle of attack at this angle of incidence along the contour.
  • the paring knife has at least one cutting strip forming the cutting edge.
  • the paring knife could have a concave curved guide surface for one to be severed from the workpiece by the cutting edge
  • FIG. 1 shows a device according to the invention for profiling a workpiece along a contour in a schematic view opposite to the feed direction
  • FIGS. 6 and 7 corresponding representation of another design variant of a peeling blade according to the invention.
  • FIG. 10 shows a paring knife with an inserted cutting bar in an end view.
  • the illustrated device for profiling a workpiece 2 held on a workpiece holder 1 in a manner suitable for machining has a peeling blade 3 which forms a cutting edge 5 extending over its broad side 4 with an open surface 6 on the narrow side and a rake surface 7 is due to an expiring in the cutting edge 5 chip 8 on the broad side 4 of the peeling blade 3 results.
  • the paring knife 3 is inserted in a holder 9 of a knife head 10, which can be mounted in a conventional manner in two movement axes parallel to the workpiece holder 1 and can be set against the workpiece 2 perpendicular to these axes of movement.
  • the cutter head 10 is also about a dash-dot indicated axis of rotation 1 1 via a rotary drive during its movement along a contour to be machined 12 of the workpiece 1 to rotate so that the paring knife 3 is aligned at an acute angle ⁇ against a plane perpendicular to the feed direction 13 level 14 , as can be seen from Fig. 3.
  • the one drawing section for the cutting edge 5 of the peeling knife 3 resulting angle ⁇ causes a profile of the cutting edge 5, which corresponds to a projection of the nominal contour profile in the feed direction 13 on the surface which is perpendicular to the two axes of movement of the cutter head 10 and the cutting edge. 5 goes. This means that the angle ß of the contour profile to be machined according to FIG.
  • Cutting edge 5 was selected, meet the conditions regarding the projection of the nominal contour profile under the acute angle of attack ⁇ for all profile shapes. If, therefore, the paring knife 3 is moved while maintaining the acute angle ⁇ over the knife head 10 in the feed direction 13 along the contour 12 of the workpiece 2 to be machined, then the workpiece 2 according to FIGS. 1 to 3 with a chamfer at an angle ß as a profile provided, under the favorable for the processing condition of a pulling cut.
  • FIGS. 6 and 7 show a paring knife 3 which has a knife angle .gamma. Of 0.degree., So that by means of such a paring knife 3 a profile section is formed. Can be edited to the plane spanned by the axes of movement of the cutter head 10 level, which would otherwise not be possible with a 4-axis machine tool.
  • the paring knife 3 according to FIG. 7 has a concavely curved guide surface 15, which supports the discharge of the separated strip of material.
  • the peeling blade 3 is provided with cutting edges 16 which connect to the ends of the cutting profile defining blade 5 and enable parting cuts, which facilitate the machining of the workpiece 2.
  • the cutting edge 5 of the peeling blade 3 can also be formed by a cutting bar 17, which is inserted into the blade body of the peeling blade 3. It need not be emphasized that the invention is not limited to the illustrated embodiments. Thus, the peeling blades 3 could also be formed with a plurality of blades 5, which can either be used at the same time or successively, for example, when a contour profile is composed of individual profile sections to be machined for themselves.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Fencing (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The invention relates to a method for profiling a workpiece (2) along a contour (12) by means of a peeling blade (3), which peeling blade has at least one cutting edge (5) that determines the contour profile on a broad side (4) of the peeling blade and is guided along the contour (12) in an advancing motion in order to cut the contour profile. In order to create advantageous cutting conditions, the peeling blade (3) according to the invention is oriented with the broad side (4) of the peeling blade at an acute setting angle (a) in relation to a plane (14) perpendicular to the advancing direction (13) and is guided along the contour (12) while said setting angle (a) is maintained, wherein the cutting edge (5) of the peeling blade (3) extends along a projection of the desired contour profile in the advancing direction (13).

Description

Vorrichtung zum Profilieren eines Werkstücks entlang einer Kontur  Device for profiling a workpiece along a contour

Technisches Gebiet Technical area

Die Erfindung bezieht sich auf ein Verfahren zum Profilieren eines Werkstücks entlang einer Kontur mit einem Schälmesser, das auf seiner Breitseite wenigstens eine das Konturprofil bestimmende Schneide aufweist und zum Schneiden des Konturprofils in einer Vorschubbewegung entlang der Kontur geführt wird, sowie auf eine Vorrichtung zur Durchführung des Verfahrens. The invention relates to a method for profiling a workpiece along a contour with a paring knife, which has on its broad side at least one edge profile defining the cutting edge and is guided for cutting the contour profile in a feed movement along the contour, and to a device for carrying out the process.

Stand der Technik State of the art

Um Werkstücke entlang einer Kontur mit einer Fase versehen zu können, ist es bekannt (US 7 823 490 A), ein Trennmesser einzusetzen, das auf seiner Schmalseite eine Schneidkante bildet, und dieses Messer in einer dem Fasenwinkel entsprechenden Neigung entlang der Kontur zu führen. Da die Dicke des Messers möglichst klein gehalten werden soll, um im Schnittbereich wenig Material verdrängen zu müssen, ergeben sich schlanke, dünne Messer, deren Breitseite in Vorschubrichtung, also tangential zu der zu bearbeitenden Kontur, verläuft. Um die Nachteile dieser Trennmesser hinsichtlich ihrer beschränkten Einsatzmöglichkeiten zu vermeiden, wurde bereits vorgeschlagen, (DE 198 55 803 A1 ), Schälmesser einzusetzen, die mit ihrer eine Schneide bildenden Breitseite während der Vorschubbewegung entlang der mit einer Fase zu versehenden Werkstückkontur so geführt werden, dass zwischen der Breitseite des Schälmessers und der Kontur ein konstanter Anstellwinkel von 90° eingehalten wird, dass also die Schneide stets in einer zur Kontur senkrechten Ebene liegt. Da diese zur Kontur senkrechte Ebene eine Querschnittsebene des herzustellenden Konturprofils darstellt, bestimmt der Verlauf der Schneide unmittelbar das herzustellende Konturprofil. Mit der Schneidenanordnung auf der Breitseite des Messerkörpers, was eine Freiflä- che auf der Schmalseite und eine durch eine Spanmulde ermöglichte Spanfläche auf der Breitseite bedingt, hat die Dicke des Messerkörpers keinen Einfluss auf den Schnitt und kann daher entsprechend den jeweiligen Festigkeitsanforderungen gewählt werden. Durch die Schneide auf der Breitseite wird somit Material spanartig abgetragen, das entlang der Spanfläche abgeführt wird. Nachteilig ist allerdings, dass bei Werkstoffen, die in Vorschubrichtung eine vergleichsweise geringe Eigenfestigkeit aufweisen, wie dies beispielsweise bei flächigen Werkstücken mit einer Wabenstruktur, bei Faservliesen, Fasergelegen oder Schaumstoffen der Fall sein kann, die Gefahr besteht, dass der vom Schälmesser auf das Werkstück ausgeübte Schnittdruck zu einer die Schnittqualität und -genauigkeit beeinträchtigenden, örtlichen Verformung bzw. Verlagerung des Werkstoffs führt. In order to be able to provide workpieces along a contour with a chamfer, it is known (US Pat. No. 7,823,490 A) to use a separating knife which forms a cutting edge on its narrow side, and to guide this knife along the contour at a slope corresponding to the chamfer angle. Since the thickness of the knife is to be kept as small as possible in order to displace little material in the cutting area, resulting slim, thin knife whose broad side in the feed direction, ie tangent to the contour to be machined runs. In order to avoid the disadvantages of these cutting blades with regard to their limited applications, it has already been proposed (DE 198 55 803 A1) to use peeling knives which are guided with their broad side forming a blade during the advancing movement along the workpiece contour to be provided with a chamfer such that between the broad side of the peeling knife and the contour a constant angle of attack of 90 ° is maintained, so that the cutting edge is always in a plane perpendicular to the contour plane. Since this plane perpendicular to the contour represents a cross-sectional plane of the contour profile to be produced, the course of the cutting edge directly determines the contour profile to be produced. With the cutting arrangement on the broad side of the knife body, which is a free-running surface on the narrow side and a chip surface made possible by a chip recess on the broad side, the thickness of the knife body has no influence on the cut and can therefore be selected according to the respective strength requirements. By the cutting edge on the broad side thus material is removed in a span-like manner, which is removed along the chip surface. A disadvantage, however, is that with materials that have a relatively low intrinsic strength in the feed direction, as may be the case for example with flat workpieces with a honeycomb structure, fiber webs, fiber fabrics or foams, there is a risk that exerted by the paring knife on the workpiece Cutting pressure leads to a local deformation or displacement of the material affecting the quality and accuracy of cutting.

Darstellung der Erfindung Presentation of the invention

Der Erfindung liegt somit die Aufgabe zugrunde, ein Verfahren zum Profilieren eines Werkstücks entlang einer Kontur so auszugestalten, dass auch bei Werkstof- fen, die wegen einer in Vorschubrichtung nur geringen Eigenfestigkeit schwierig zu bearbeiten sind, vorteilhafte Bearbeitungsbedingungen eingehalten werden können, ohne aufwendige Werkzeugmaschinen einsetzen zu müssen. The invention is therefore based on the object, a method for profiling a workpiece along a contour in such a way that even with materials which are difficult to work because of a feed direction in the low intrinsic strength, advantageous processing conditions can be met without using expensive machine tools to have to.

Ausgehend von einem Verfahren der eingangs geschilderten Art löst die Erfindung die gestellte Aufgabe dadurch, dass das Schälmesser mit seiner Breitseite gegen- über einer zur Vorschubrichtung senkrechten Ebene unter einem spitzen Anstellwinkel ausgerichtet und unter Beibehaltung dieses Anstellwinkels entlang der Kontur geführt wird, wobei die Schneide des Schälmessers entlang einer Projektion des Sollkonturprofils in Vorschubrichtung verläuft. Based on a method of the type described, the invention solves the problem by the fact that the paring knife is aligned with its broad side opposite to a plane perpendicular to the feed direction at an acute angle and guided while maintaining this angle along the contour, the cutting edge of the Paring knife along a projection of the target contour profile in the feed direction.

Durch eine Vorschubführung des Schälmessers unter einem spitzen Anstellwinkel der die Schneide bildenden Breitseite gegenüber einer zur Vorschubrichtung senkrechten Ebene wird die Breitseite des Messers aus dieser Ebene herausgedreht, wodurch ein ziehender Schnitt mit der Wirkung erreicht wird, dass der Schnittwinkel verkleinert und damit die Schnittdrücke verringert werden, sodass sich eine geringere Werkstoffbeanspruchung einstellt und daher auch Schälmesser zur Bear- beitung von Werkstoffen eingesetzt werden können, die aufgrund ihrer verminderten Eigenfestigkeit in Richtung des zu bearbeitenden Konturverlaufs sonst nicht mit einem Schälmesser profiliert werden könnten. Der sich durch den Anstellwinkel der Breitseite des Schälmessers ergebende ziehende Schnitt bedingt darüber hinaus eine Kraftkomponente in Richtung der Werkstückauflage, wodurch die Hal- terung des Werkstücks auf der üblicherweise besaugten Werkstückauflage unterstützt wird. Der Schneidenverlauf muss allerdings in Abhängigkeit vom Anstellwinkel geändert werden, um eine Profilierung entsprechend einem Sollkonturprofil sicherstellen zu können. Dies bedeutet, dass die Schneide des Schälmessers einen Verlauf aufweisen muss, der einer Projektion des Sollkonturprofils in Vorschub- richtung entspricht. Die geometrische Form des Sollkonturprofils kann dabei weitgehend frei gewählt werden. Aus diesem Grund wird es unter anderem in einfacher Weise möglich, Füllstreifen aus mehrlagigen Fasergelegen oder Fasergeweben mit einem vorgegebenen Radius in einem Arbeitsgang zu profilieren, um z. B. Rundungen im Übergangsbereich zwischen Schenkeln von Trägerprofilen voll- ständig auskleiden zu können. By feed guidance of the peeling knife at an acute angle of incidence of the broadside forming the cutting edge with respect to a plane perpendicular to the feed direction, the broad side of the knife is rotated out of this plane, whereby a pulling cut is achieved with the effect that the cutting angle is reduced and thus the cutting pressures are reduced , so that a lower material stress sets and therefore also paring knife for Bear- Otherwise, they could not otherwise be profiled with a paring knife due to their reduced inherent strength in the direction of the contour to be processed. Moreover, the pulling cut resulting from the angle of attack of the broad side of the peeling blade causes a force component in the direction of the workpiece support, which supports the support of the workpiece on the usually swept workpiece support. However, the cutting edge profile must be changed depending on the angle of attack in order to ensure a profiling according to a nominal contour profile. This means that the cutting edge of the peeling knife must have a course that corresponds to a projection of the nominal contour profile in the feed direction. The geometric shape of the desired contour profile can be chosen largely freely. For this reason, it is possible, inter alia, in a simple manner, profiling filler strips of multilayer fiber fabrics or fiber fabrics with a given radius in a single operation to z. B. to be able to completely line curves in the transition region between legs of carrier profiles.

Zur Durchführung des Verfahrens kann von einer Vorrichtung ausgegangen werden, die ein Schälmesser, das auf seiner Breitseite wenigstens eine Schneide aufweist, einen das Schälmesser aufnehmenden, in zwei Bewegungsachsen verfahrbaren und senkrecht zu diesen Bewegungsachsen an das Werkstück anstell- baren Messerkopf, Vorschubantriebe zum Verfahren des Messerkopfs entlang der Kontur und einen Drehantrieb für das um eine zu den Bewegungsachsen senkrechte Drehachse drehbar gelagerte Schälmesser zum Ausrichten der das Konturprofil bestimmenden Schneide gegenüber der Kontur umfasst. Es muss nur dafür gesorgt werden, dass das Schälmesser mit seiner die Schneide bildenden Breitseite gegenüber einer zur Vorschubrichtung senkrechten Ebene unter einem spitzen Anstellwinkel ausgerichtet ist und dass die Schneide des Schälmessers einen Verlauf entsprechend der Projektion des Sollkonturprofils in Vorschubrichtung auf die zu den Bewegungsachsen senkrechte Fläche durch die Schneide aufweist. In diesem Fall wird unter den Voraussetzungen eines ziehenden Schnitts mit entsprechend kleineren Schnittwinkeln und einer geringeren Schnittbelastung des Werkstücks erreicht, dass die Kontur des Werkstücks entsprechend einem durch die Schneide des Schälmessers vorgegebenen Sollprofil bearbeitet wird. Die Schneide des Schälmessers muss folglich aufgrund des Anstellwinkels des Schälmessers einen Verlauf aufweisen, der der Projektion des Sollkonturprofils in Vorschubrichtung auf die Fläche entspricht, die senkrecht zu den Bewegungsachsen des Messerkopfs verläuft und die Schneide enthält. Eine solche Vorrichtung benötigt lediglich vier Bewegungsachsen, nämlich zwei Bewegungsachsen für den Messervorschub entlang der Kontur des Werkstücks, eine dazu senkrechte Anstellachse und eine Drehachse für die Messerausrichtung gegenüber dem Kontur- verlauf unter einem vorgegebenen Anstellwinkel. Für ebene Profilflächen können aber auch Schälmesser eingesetzt werden, deren Breitseite eine nicht auf das zu bearbeitende Konturprofil abgestimmte, gerade Schneide aufweist, wenn mit Hilfe einer Vorrichtung mit sechs Bewegungsachsen nicht nur die Breitseite des Schälmessers unter einem vorgegebenen Anstellwinkel gegenüber der zu bearbeiten- den Kontur geführt, sondern zugleich auch die Neigung der Schneide so eingestellt wird, dass das gewünschte Konturprofil hergestellt werden kann. To carry out the method, it can be assumed that a device which has a peeling knife which has at least one cutting edge on its broad side, a knife head accommodating the peeling blade, which can be moved in two axes of movement and which can be attached to the workpiece perpendicularly to these axes of movement, feeds the method Cutter head along the contour and a rotary drive for the about a pivot axis perpendicular to the axis of rotation rotatably mounted peeling knife for aligning the profile defining the cutting edge relative to the contour comprises. It only has to be ensured that the paring knife with its broad side forming the cutting edge is aligned with an angle to the feed direction at an acute angle and that the blade of the paring knife a course corresponding to the projection of the target contour profile in the feed direction on the vertical axis to the axes of movement through the cutting edge. In this case, under the conditions of a pulling cut with correspondingly smaller cutting angles and a lower cutting load of the workpiece, it is achieved that the contour of the workpiece corresponds to one machined by the cutting edge of the peeling knife predetermined profile is edited. Due to the angle of attack of the peeling knife, the blade of the peeling blade must consequently have a course which corresponds to the projection of the desired contour profile in the feed direction onto the surface which runs perpendicular to the axes of movement of the cutter head and contains the cutting edge. Such a device requires only four axes of movement, namely two axes of movement for the knife advance along the contour of the workpiece, a vertical Anstellachse and an axis of rotation for the blade alignment with respect to the contour curve at a predetermined angle. For flat profile surfaces but also peeling knives can be used, the broad side has a not adapted to the contour profile to be machined, straight edge, if using a device with six axes of motion not only the broad side of the peeling knife at a predetermined angle to the contour to be machined guided, but at the same time the inclination of the cutting edge is adjusted so that the desired contour profile can be produced.

Insbesondere bei einem Konturprofil mit Profilabschnitten, die gegenüber der durch die Bewegungsachsen des Messerkopfs bestimmten Ebene einen flachen Neigungswinkel aufweisen oder zu dieser Ebene parallel verlaufen, ist es vorteil- haft, diese Profilabschnitte durch Teilungsschnitte zu begrenzen, die vor dem eigentlichen Schälschnitt durchgeführt werden, vorteilhaft aber auch zugleich mit dem profilbestimmenden Schälschnitt vorgenommen werden. Zu diesem Zweck kann das Schälmesser im Anschluss an die das Schnittprofil bestimmende Particularly in the case of a contour profile with profile sections, which have a flat angle of inclination relative to the plane determined by the axes of movement of the cutter head or which run parallel to this plane, it is advantageous to limit these profile sections by division cuts, which are performed before the actual peeling section but also be made at the same time with the profile-determining Schälschnitt. For this purpose, the paring knife following the section profile determining

Schneide wenigstens eine Schneidkante aufweisen. Ist das Schälmesser mit zwei die Schneide für den Schälschnitt seitlich begrenzenden Schneidkanten versehen, so wird aufgrund des spitzen Anstellwinkels der die Schneide bildenden Breitseite des Schälmessers im Allgemeinen nur eine dieser Schneidkanten zum Einsatz kommen. Für den Einsatz der jeweils anderen Schneidkante ist entweder die Vorschubrichtung umzukehren oder der Anstellwinkel des Schälmessers für die ge- gensinnige Vorschubbewegung zu wählen. Verläuft die Schneidkante in Vorschubrichtung geneigt, so kann auch für die mit solchen Schneidkanten durchführbaren Teilungsschnitte ein ziehender Schnitt genützt werden. Das Schälmesser kann in unterschiedlicher Weise an die jeweiligen Anforderungen angepasst werden, weil es ja erfindungsgemäß vor allem darauf ankommt, das Schälmesser mit einer Schneide, die der Projektion des Sollkonturprofils unter dem Anstellwinkel entspricht, unter diesem Anstellwinkel entlang des Konturverlaufs zu führen. So ist es beispielsweise möglich, besondere Schneidbedingungen zu berücksichtigen, indem das Schälmesser wenigstens eine die Schneide bildende Schneidleiste aufweist. Außerdem könnte das Schälmesser eine konkav ge- krümmte Leitfläche für einen durch die Schneide vom Werkstück abgetrenntenCutting at least have a cutting edge. If the peeling knife is provided with two cutting edges laterally delimiting the cutting edge for the peeling cut, only one of these cutting edges will generally be used because of the acute angle of attack of the broad side of the peeling blade forming the cutting edge. In order to use the other cutting edge, either reverse the feed direction or select the angle of attack of the peeling knife for the opposite feed movement. If the cutting edge is inclined in the feed direction, a pulling cut can also be used for the dividing cuts that can be carried out with such cutting edges. The paring knife can be adapted in different ways to the respective requirements, because according to the invention, it is important above all to guide the paring knife with a cutting edge which corresponds to the projection of the nominal contour profile at the angle of attack at this angle of incidence along the contour. Thus, it is possible, for example, to take into account special cutting conditions in that the paring knife has at least one cutting strip forming the cutting edge. In addition, the paring knife could have a concave curved guide surface for one to be severed from the workpiece by the cutting edge

Materialstreifen bilden, um den Abtransport des abgeschälten Materialstreifens zu erleichtern. Form material strips to facilitate the removal of the peeled strip of material.

Kurze Beschreibung der Zeichnung Short description of the drawing

In der Zeichnung ist der Erfindungsgegenstand beispielsweise dargestellt. Es zei- gen In the drawing, the subject invention is shown, for example. Show it

Fig. 1 eine erfindungsgemäße Vorrichtung zum Profilieren eines Werkstücks entlang einer Kontur in einer schematischen Ansicht entgegen der Vorschubrichtung,  1 shows a device according to the invention for profiling a workpiece along a contour in a schematic view opposite to the feed direction,

Fig. 2 eine Ansicht der Vorrichtung senkrecht zur Vorschubrichtung,  2 is a view of the device perpendicular to the feed direction,

Fig. 3 einen Schnitt nach der Linie III-III der Fig. 1 , 3 is a section along the line III-III of Fig. 1,

Fig. 4 das in den Messerkopf eingespannte Schälmesser in einer stirnseitigen Ansicht,  4 shows the peeling knife clamped in the cutter head in a frontal view,

Fig. 5 das Schälmesser mit dem Messerkopf in einer zur Schneide senkrechten Ansicht, die  5 shows the paring knife with the cutter head in a view perpendicular to the cutting edge, the

Fig. 6 und 7 eine Konstruktionsvariante eines erfindungsgemäßen Schälmessers in einer Seiten- und einer Stirnansicht, die 6 and 7 a construction variant of a peeling blade according to the invention in a side and a front view, the

Fig. 8 und 9 eine der Fig. 6 und 7 entsprechende Darstellung einer weiteren Konstruktionsvariante eines erfindungsgemäßen Schälmessers und 8 and 9 a of FIGS. 6 and 7 corresponding representation of another design variant of a peeling blade according to the invention and

Fig. 10 ein Schälmesser mit einer eingesetzten Schneidleiste in einer stirnseitigen Ansicht. 10 shows a paring knife with an inserted cutting bar in an end view.

Weg zur Ausführung Gemäß den Fig. 1 bis 5 weist die dargestellte Vorrichtung zum Profilieren eines auf einer Werkstückaufnahme 1 bearbeitungsgerecht gehaltenen Werkstücks 2 ein Schälmesser 3 auf, das eine über seine Breitseite 4 verlaufende Schneide 5 mit einer Freifläche 6 auf der Schmalseite und einer Spanfläche 7 bildet, die sich aufgrund einer in der Schneide 5 auslaufenden Spanmulde 8 auf der Breitseite 4 des Schälmessers 3 ergibt. Das Schälmesser 3 ist in einer Halterung 9 eines Messerkopfs 10 eingesetzt, der in herkömmlicher Weise in zwei zur Werkstückaufnahme 1 parallelen Bewegungsachsen verfahrbar gelagert und senkrecht zu diesen Bewegungsachsen an das Werkstück 2 angestellt werden kann. Der Messerkopf 10 ist außerdem um eine strichpunktiert angedeutete Drehachse 1 1 über einen Drehantrieb während seiner Bewegung entlang einer zu bearbeitenden Kontur 12 des Werkstücks 1 so zu drehen, dass das Schälmesser 3 unter einem spitzen Anstellwinkel α gegenüber einer zur Vorschubrichtung 13 senkrechten Ebene 14 ausgerichtet wird, wie dies der Fig. 3 zu entnehmen ist. Der einen ziehenden Schnitt für die Schneide 5 des Schälmessers 3 ergebende Anstellwinkel α bedingt allerdings einen Verlauf der Schneide 5, der einer Projektion des Sollkonturprofils in Vorschubrichtung 13 auf die Fläche entspricht, die senkrecht zu den beiden Bewegungsachsen des Messerkopfs 10 steht und durch die Schneide 5 geht. Dies bedeutet, dass der Winkel ß des zu bearbeitenden Konturprofils gemäß Fig. 1 nicht dem Schneidenwinkel γ entspricht. Aufgrund der spitzwinkeligen Anstellung des Schälmessers 3 muss ja die Schneide 5 eine entsprechend größere Länge aufweisen, was einen geringeren Schneidenwinkel γ für eine vorgegebene Profilhöhe h bedingt. Obwohl zur einfacheren Erklärung ein gerader Verlauf der Way to execution According to FIGS. 1 to 5, the illustrated device for profiling a workpiece 2 held on a workpiece holder 1 in a manner suitable for machining has a peeling blade 3 which forms a cutting edge 5 extending over its broad side 4 with an open surface 6 on the narrow side and a rake surface 7 is due to an expiring in the cutting edge 5 chip 8 on the broad side 4 of the peeling blade 3 results. The paring knife 3 is inserted in a holder 9 of a knife head 10, which can be mounted in a conventional manner in two movement axes parallel to the workpiece holder 1 and can be set against the workpiece 2 perpendicular to these axes of movement. The cutter head 10 is also about a dash-dot indicated axis of rotation 1 1 via a rotary drive during its movement along a contour to be machined 12 of the workpiece 1 to rotate so that the paring knife 3 is aligned at an acute angle α against a plane perpendicular to the feed direction 13 level 14 , as can be seen from Fig. 3. The one drawing section for the cutting edge 5 of the peeling knife 3 resulting angle α, however, causes a profile of the cutting edge 5, which corresponds to a projection of the nominal contour profile in the feed direction 13 on the surface which is perpendicular to the two axes of movement of the cutter head 10 and the cutting edge. 5 goes. This means that the angle ß of the contour profile to be machined according to FIG. 1 does not correspond to the cutting angle γ. Due to the acute-angled employment of the peeling knife 3 yes, the cutting edge 5 must have a correspondingly greater length, which causes a smaller cutting angle γ for a given profile height h. Although for a simpler explanation a straight course of the

Schneide 5 gewählt wurde, treffen die Bedingungen hinsichtlich der Projektion des Sollkonturprofils unter dem spitzen Anstellwinkel α für alle Profilformen zu. Wird daher das Schälmesser 3 unter Wahrung des spitzen Anstellwinkels α über den Messerkopf 10 in Vorschubrichtung 13 entlang der zu bearbeitenden Kontur 12 des Werkstücks 2 verfahren, so wird das Werkstück 2 gemäß den Fig. 1 bis 3 mit einer Fase unter einem Winkel ß als Profil versehen, und zwar unter den für die Bearbeitung vorteilhaften Voraussetzung eines ziehenden Schnitts. Cutting edge 5 was selected, meet the conditions regarding the projection of the nominal contour profile under the acute angle of attack α for all profile shapes. If, therefore, the paring knife 3 is moved while maintaining the acute angle α over the knife head 10 in the feed direction 13 along the contour 12 of the workpiece 2 to be machined, then the workpiece 2 according to FIGS. 1 to 3 with a chamfer at an angle ß as a profile provided, under the favorable for the processing condition of a pulling cut.

In den Fig. 6 und 7 ist ein Schälmesser 3 dargestellt, das einen Messerwinkel γ von 0° aufweist, sodass durch ein solches Schälmesser 3 ein Profilabschnitt paral- lel zu der durch die Bewegungsachsen des Messerkopfs 10 aufgespannten Ebene bearbeitet werden kann, was sonst mit einer 4-Achsen-Werkzeugmaschine nicht möglich wäre. Außerdem weist das Schälmesser 3 gemäß der Fig. 7 eine konkav gekrümmte Leitfläche 15 auf, die die Ableitung des abgetrennten Materialstreifens unterstützt. FIGS. 6 and 7 show a paring knife 3 which has a knife angle .gamma. Of 0.degree., So that by means of such a paring knife 3 a profile section is formed. Can be edited to the plane spanned by the axes of movement of the cutter head 10 level, which would otherwise not be possible with a 4-axis machine tool. In addition, the paring knife 3 according to FIG. 7 has a concavely curved guide surface 15, which supports the discharge of the separated strip of material.

Gemäß den Fig. 8 und 9 ist das Schälmesser 3 mit Schneidkanten 16 versehen, die an die Enden der das Konturprofil bestimmenden Schneide 5 anschließen und Teilungsschnitte ermöglichen, die die Bearbeitung des Werkstücks 2 erleichtern. Referring to FIGS. 8 and 9, the peeling blade 3 is provided with cutting edges 16 which connect to the ends of the cutting profile defining blade 5 and enable parting cuts, which facilitate the machining of the workpiece 2.

In der Fig. 10 wird schließlich gezeigt, dass die Schneide 5 des Schälmessers 3 auch durch eine Schneidleiste 17 gebildet werden kann, die in den Messerkörper des Schälmessers 3 eingesetzt ist. Es braucht wohl nicht besonders hervorgehoben zu werden, dass die Erfindung nicht auf die dargestellten Ausführungsbeispiele beschränkt ist. So könnten die Schälmesser 3 auch mit mehreren Schneiden 5 ausgebildet werden, die entweder zugleich aber auch nacheinander zum Einsatz kommen können, beispielsweise dann, wenn ein Konturprofil aus einzelnen je für sich zu bearbeitenden Profilab- schnitten zusammengesetzt ist. Finally, it is shown in FIG. 10 that the cutting edge 5 of the peeling blade 3 can also be formed by a cutting bar 17, which is inserted into the blade body of the peeling blade 3. It need not be emphasized that the invention is not limited to the illustrated embodiments. Thus, the peeling blades 3 could also be formed with a plurality of blades 5, which can either be used at the same time or successively, for example, when a contour profile is composed of individual profile sections to be machined for themselves.

Claims

Patentansprüche claims 1 . Verfahren zum Profilieren eines Werkstücks (2) entlang einer Kontur (12) mit einem Schälmesser (3), das auf seiner Breitseite (4) wenigstens eine das Konturprofil bestimmende Schneide (5) aufweist und zum Schneiden des Konturprofils in einer Vorschubbewegung entlang der Kontur (12) geführt wird, dadurch gekennzeichnet, dass das Schälmesser (3) mit seiner Breitseite (4) gegenüber einer zur Vorschubrichtung (13) senkrechten Ebene (14) unter einem spitzen Anstellwinkel (a) ausgerichtet und unter Beibehaltung dieses Anstellwinkels (a) entlang der Kontur (12) geführt wird, wobei die Schneide (5) des Schälmessers (3) entlang einer Projektion des Sollkonturprofils in Vorschubrichtung (13) verläuft. 1 . Method for profiling a workpiece (2) along a contour (12) with a paring knife (3) which has on its broad side (4) at least one cutting profile (5) defining the contour profile and for cutting the contour profile in a feed movement along the contour ( 12) is guided, characterized in that the paring knife (3) with its broad side (4) opposite to the feed direction (13) vertical plane (14) at an acute angle (a) aligned and while maintaining this angle of attack (a) along the Contour (12) is guided, wherein the cutting edge (5) of the peeling blade (3) along a projection of the target contour profile in the feed direction (13). 2. Vorrichtung zum Profilieren eines Werkstücks (2) entlang einer Kontur (12) mit einem Schälmesser (3), das auf seiner Breitseite wenigstens eine Schneide (5) aufweist, mit einem das Schälmesser (3) aufnehmenden, in zwei Bewegungsachsen verfahrbaren und senkrecht zu diesen Bewegungsachsen an das Werkstück (2) anstellbaren Messerkopf (10), mit Vorschubantrieben zum Verfahren des Messerkopfs (10) entlang der Kontur (12) und mit einem Drehantrieb für das um eine zu den Bewegungsachsen senkrechte Drehachse (1 1 ) drehbar gelagerte Schälmesser (3) zum Ausrichten der das Konturprofil bestimmenden Schneide (5) gegenüber der Kontur (12), dadurch gekennzeichnet, dass das Schälmesser (3) mit seiner die Schneide (5) bildenden Breitseite (4) gegenüber einer zur Vorschubrichtung (13) senkrechten Ebene (14) unter einem spitzen Anstellwinkel (a) ausgerichtet ist und dass die Schneide (5) des Schälmessers (3) einen Verlauf entsprechend der Projektion des Sollkonturprofils in Vorschubrichtung (13) auf die zu den Bewegungsachsen senkrechte Fläche durch die Schneide (5) aufweist. 2. A device for profiling a workpiece (2) along a contour (12) with a paring knife (3) having on its broad side at least one cutting edge (5) with a paring knife (3) receiving, movable in two axes of movement and perpendicular to these movement axes to the workpiece (2) engageable cutter head (10), with feed drives for moving the cutter head (10) along the contour (12) and with a rotary drive for about a pivot axis perpendicular to the axes of motion (1 1) rotatably mounted peeling knife (3) for aligning the contour defining the cutting edge (5) relative to the contour (12), characterized in that the peeling knife (3) with its the cutting edge (5) forming broad side (4) opposite to the feed direction (13) vertical plane (14) is aligned at an acute angle of attack (a) and that the cutting edge (5) of the peeling blade (3) has a course corresponding to the projection of the nominal contour profile in the feed direction g (13) on the plane perpendicular to the axes of movement through the cutting edge (5). 3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass das Schälmesser (3) im Anschluss an die das Schnittprofil bestimmende Schneide (5) wenigstens eine Schneidkante (16) aufweist. 3. A device according to claim 2, characterized in that the peeling blade (3) has at least one cutting edge (16) following the cutting profile defining the cutting edge (5). 4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Schneidkante (16) in Vorschubrichtung (13) geneigt verläuft. 4. Apparatus according to claim 3, characterized in that the cutting edge (16) in the feed direction (13) is inclined. 5. Vorrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass das Schälmesser (3) wenigstens eine die Schneide (5) bildende Schneidleiste (17) aufweist. 5. Device according to one of claims 2 to 4, characterized in that the paring knife (3) has at least one cutting edge (5) forming the cutting bar (17). 6. Vorrichtung nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass das Schälmesser (3) eine konkav gekrümmte Leitfläche (15) für einen durch die Schneide (5) vom Werkstück (2) abgetrennten Materialstreifen bildet. 6. Device according to one of claims 2 to 5, characterized in that the peeling blade (3) forms a concave curved guide surface (15) for a by the cutting edge (5) from the workpiece (2) separated strips of material.
PCT/AT2015/050042 2014-02-11 2015-02-06 Device for profiling a workpiece along a contour Ceased WO2015120499A1 (en)

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