WO2013159969A1 - Segment de brin de coupe - Google Patents

Segment de brin de coupe Download PDF

Info

Publication number
WO2013159969A1
WO2013159969A1 PCT/EP2013/054323 EP2013054323W WO2013159969A1 WO 2013159969 A1 WO2013159969 A1 WO 2013159969A1 EP 2013054323 W EP2013054323 W EP 2013054323W WO 2013159969 A1 WO2013159969 A1 WO 2013159969A1
Authority
WO
WIPO (PCT)
Prior art keywords
cutting
clearance angle
strand
cutting element
machine tool
Prior art date
Application number
PCT/EP2013/054323
Other languages
German (de)
English (en)
Inventor
Milan Bozic
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
Priority to EP13709837.2A priority Critical patent/EP2841243A1/fr
Publication of WO2013159969A1 publication Critical patent/WO2013159969A1/fr

Links

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

Definitions

  • Cutting element arranged cutting element comprising at least one clearance angle.
  • the invention is based on a cutting strand segment of a machine tool cutting device, with at least one cutting carrier element and with at least one cutting element arranged on the cutting carrier element, which has at least one clearance angle.
  • the cutting element has at least one further clearance angle, which is formed differing from the clearance angle of the cutting element.
  • a "cutting-strand segment” is to be understood here as meaning, in particular, a segment of a cutting strand which is intended to be connected to further segments of the cutting strand to form the cutting strand
  • the cutting strand segment has a maximum weight that is less than 1 g, preferably less than 0.5 g, and particularly preferably less than 0.2 g, in which case the cutting strand segment can act as a driving element , as a link, as a cutting member, etc. of a cutting be formed chain.
  • the cutting strand can be formed here as a single-lance, two-lobe or three-lobe cutting chain.
  • a “cutter support element” is to be understood here as meaning, in particular, an element on which at least one cutting element is arranged for separating and / or removing material particles of a workpiece to be machined.
  • the cutting element can be designed as a half-bit tooth, as a full-tooth tooth, as a "scratcher tooth”, etc. or as a roof tooth, as a hump tooth, as a standard tooth, etc.
  • the cutting element can be another, to a person skilled in the art
  • the cutting element can be fixed to the cutter carrier element by means of a form-fitting, by means of a non-positive and / or by means of a material-locking connection.
  • the term "clearance angle” is intended here to define, in particular, an angle which is included during a machining of a workpiece by means of the cutting strand segment, viewed in a cutting plane of the cutting strand segment, by a cutting edge of the cutting element and a workpiece surface of the workpiece to be machined by means of the cutting edge.
  • the term "cutting plane” should in particular define a plane in which the cutting strand segment is moved to a machining of a workpiece in at least one operating state.
  • the cutting element thus has, viewed in the cutting plane, preferably at least two mutually angled cutting edge regions.
  • a first cutting edge region of the cutting element during machining of a workpiece, together with a workpiece surface of the workpiece to be machined by means of the first cutting edge region closes the clearance angle of the workpiece
  • a second cutting edge region of the cutting element preferably closes the further clearance angle of the workpiece during a machining of a workpiece together with the workpiece surface of the workpiece to be machined by means of the first cutting edge region
  • the first cutting edge region and the second cutting edge region are preferably angled relative to one another.
  • the first cutting edge region and the second cutting edge region preferably include an angle that deviates from 90 ° and / or that deviates from an integer multiple of 90 °.
  • the cutting strand segment comprises at least one further cutting element which is arranged on the cutter carrier element.
  • the further cutting element can in this case be fixed by means of a form-fitting, by means of a frictional and / or by means of a material connection to the cutter support element.
  • the further cutting element can be designed as a half-bit tooth, as a full-tooth tooth, as a "scratcher tooth", etc. or as a roof tooth, as a hump tooth, as a standard tooth, etc.
  • high cutting performance can be achieved by means of the further cutting element.
  • the further cutting element has at least one clearance angle and a further clearance angle which differs from the clearance angle of the other
  • An angular dimension of the clearance angle of the further cutting element preferably corresponds to an angular dimension of the clearance angle of the cutting element.
  • an angular dimension of the further clearance angle of the further cutting element corresponds to an angular dimension of the further clearance angle of the cutting element.
  • an angular dimension of the clearance angle of the further cutting element is deviating from an angular dimension of the clearance angle of the cutting element and / or that an angular extent of the further clearance angle of the further cutting element is different from an angular extent of the further clearance angle of the cutting element.
  • the cutting element and / or the further cutting element is / are limited relative to an outer surface of the cutter carrier element.
  • a "restricted relative to the outer surface” is to be understood here as meaning in particular a slope of a central axis of the cutting element and / or the further cutting element and / or at least substantially parallel to a cutting edge of the cutting element and / or to a cutting edge of the further cutting element extending side surface of the cutting element and / or the further cutting element about at least one axis relative be understood to the outer surface of the cutter support element.
  • the side surface of the cutting element and / or the side surface of the further cutting element is inclined relative to the outer surface about an axis extending at least substantially parallel to the outer surface.
  • Cutting element in particular the side surface of the further cutting element, a changing along the cutting direction entanglement angle, in particular angle of inclination, relative to the outer surface.
  • a maximum angle of inclination relative to the outer surface is less than 15 °, preferably less than 8 ° and particularly preferably less than 5 °.
  • the cutting element and / or the further cutting element is arranged inclined about two at least substantially perpendicular axes relative to the outer surface of the cutter support member on the cutter support member. The two at least substantially perpendicular axes preferably extend at least substantially parallel to the outer surface of the
  • Cutting carrier element and / or to the cutting plane of the cutting strand segment are intended here to define, in particular, an orientation of a direction relative to a reference direction, the direction and the reference direction, in particular in one plane, including an angle of 90 ° and the angle a maximum deviation of, in particular, less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 ° C.
  • the cutting element is integral with the cutting element
  • Cutting carrier element formed By “in one piece” is meant, in particular, at least materially bonded, for example by a welding process, an adhesive process, an injection process and / or another process that appears expedient to the person skilled in the art, and / or advantageously shaped in one piece, for example by a Manufacture from a casting and / or by a production in a one- or multi-component injection molding process and advantageously from a single blank.
  • the cutting element and the cutter support element are punched from a single blank.
  • the cutting element and the cutter support element are formed in one piece by means of another, to a person skilled in the sense appearing manner. Due to the one-piece design of the cutting element and the
  • Cutting carrier element can be particularly advantageous assembly costs and costs saved.
  • the further cutting element is likewise formed integrally with the cutter carrier element.
  • a robust cutting strand segment can be achieved.
  • the cutting element and / or the cutter support element viewed along a direction at least substantially perpendicular to a cutting plane of the cutting strand segment, have a maximum dimension / smaller than 4 mm.
  • the cutting element and / or the cutter carrier element or the further cutter carrier element viewed along the direction running at least substantially perpendicular to a cutting plane of the cutting strand segment, preferably have a maximum dimension smaller than 3 mm and particularly preferably smaller than 2.5 mm , It can be advantageously achieved a very compact cutting strand segment, with the introduction of a narrow section can be made possible. It is also proposed that the cutting element together with the
  • Cutting carrier element has a maximum volume that is smaller than 20 mm. 3
  • Blade support member has a maximum volume which is smaller than 10 mm 3 and particularly preferably smaller than 5 mm 3 . It can advantageously be a cost-effective production of the cutting element together with the
  • Cutting support element can be realized, with a low material usage is necessary.
  • the clearance angle of the cutting element is smaller than 50 °.
  • the clearance angle of the cutting element is less than 35 ° and more preferably less than 30 °. It may be advantageous to have a high and efficient Material removal during machining of a workpiece by means of the cutting strand segment can be achieved.
  • the further clearance angle of the cutting element is less than 80 °.
  • the further clearance angle of the cutting element is less than 60 ° and particularly preferably less than 50 °. It can be advantageously achieved a large chip space to a discharge of chips during a machining of a workpiece by means of the cutting strand segment.
  • the invention proceeds from a power-tool parting device having at least one cutting strand which comprises at least one cutting strand segment according to the invention and at least one guide unit for guiding the cutting strand, wherein the guiding unit and the cutting strand together form a closed system.
  • a "cutting strand” is to be understood here as meaning in particular a unit of cutting strand segments which is intended to locally cancel atomic cohesion of a workpiece to be machined, in particular by means of mechanical separation and / or by 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 and / or remove material particles of the workpiece from a surface of the workpiece however, it is also conceivable for the cutting strand to be designed as a cutting strip and / or cutting rope as a
  • the cutting strand segments are fixed directly to the cutting band and / or on the cutting cable.
  • the cutting-strand segments can be arranged at a distance from one another and / or in direct contact with one another on the cutting band and / or on the cutting rope.
  • a “guide unit” is to be understood here as meaning, in particular, a unit which is intended to apply a constraining force at least along a direction perpendicular to a cutting direction of the cutting strand onto the cutting element
  • the guide unit at least one guide element, in particular a guide groove through which the cutting strand is guided.
  • the cutting strand is preferably guided along an entire circumference of the guide unit by the guide unit by means of the guide element, in particular the guide groove.
  • system that includes at least two components that maintain a functionality and / or that are permanently connected to each other in the disassembled state by means of an interaction in a disassembled state of the system from a system superordinate system, such as a machine tool.
  • 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 connection 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.
  • the invention is based on a machine tool with at least one coupling device for positive and / or non-positive locking
  • the machine tool is preferably designed as a portable machine tool.
  • a "portable power tool” is to be understood here in particular as meaning a power tool, in particular a hand tool, which can be transported by an operator so that it can not be transported by a machine
  • the portable power tool in particular has a mass which is less than 40 kg, preferably less than 10 kg and
  • the machine tool and the machine tool separating device preferably together form a machine tool system
  • Machine tool can be achieved, which is particularly advantageous for a wide range of applications.
  • the cutting strand segment according to the invention, the machine tool separating device according to the invention, the machine tool according to the invention and / or the machine tool system according to the invention are / should not be limited to the application and embodiment described above be.
  • the cutting strand segment according to the invention, the machine tool separating device according to the invention, the machine tool according to the invention and / or the machine tool system according to the invention can have a number deviating from a number of individual elements, components and units specified herein for performing a function described herein.
  • FIG. 1 shows a machine tool according to the invention and a machine tool separating device according to the invention, which together form a machine tool system according to the invention, in a schematic representation
  • FIG. 2 is a detailed view of the machine tool separating device according to the invention in a schematic representation
  • FIG. 3 is a detailed view of a cutting strand segment according to the invention in a schematic representation
  • FIG. 4 shows a detailed view of a cutting element of the cutting strand segment according to the invention in a schematic representation
  • FIG. 5 shows a detailed view of an alternative invention
  • FIG. 6 shows a detailed view of a further alternative cutting strand segment according to the invention in a schematic representation.
  • Figure 1 shows a machine tool system comprising a machine tool 34a and a machine tool separator 12a.
  • the machine tool 34a is designed here as a portable machine tool.
  • the machine tool separating device 12a comprises at least one cutting strand
  • the machine tool 34a has at least one coupling device 36a for the positive and / or non-positive coupling with the machine tool separating device 12a.
  • the coupling device 36a can be designed as a bayonet closure and / or as another coupling device that appears meaningful to a person skilled in the art.
  • the machine tool 34a has a machine tool housing 38a, which encloses a drive unit 40a and a gear unit 42a of the machine tool 34a.
  • the drive unit 40a and the gear unit 42a 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 which can be transmitted to the power-tool parting device 12a.
  • the gear unit 42a is formed as an angle gear.
  • the drive unit 40a is designed as an electric motor unit. However, it is also conceivable for the drive unit 40a and / or the gear unit 42a to have another configuration that appears appropriate to a person skilled in the art.
  • the drive unit 40a is provided to drive the cutting strand 30a of the power-tool parting device 12a in at least one operating state via the gear unit 42a. This is the cutting strand
  • FIG. 30a moves in the guide unit 32a of the power tool separating device 12a along a cutting direction 44a of the cutting strand 30a in the guide unit 32a.
  • Figure 2 shows the power tool separating device 12a in one of the
  • Coupling device 36a of the machine tool 34a decoupled state The machine tool separating device 12a has the cutting strand 30a and the guide unit 32a, which together form a closed system.
  • the cutting strand 30a is guided by the guide unit 32a.
  • the guide unit 32a has at least one guide groove designed as a guide groove. ing element (not shown here), by means of which the cutting strand 30 a is guided.
  • the cutting strand 30a is guided by the guide groove bounding edge regions of the guide unit 32a.
  • the guide element in another, a professional appear appropriate sense, such as rib-like
  • Cutting strand 30a engages, is formed.
  • the cutting strand 30a comprises a total of a plurality of interconnected cutting strand segments 10a.
  • the power-tool parting device 12a or the machine tool 34a has a torque-transmitting element 46a which can be connected to the drive unit 40a and / or the gear unit 42a to transmit forces and / or torques to the cutting strand 30a.
  • a torque-transmitting element 46a which can be connected to the drive unit 40a and / or the gear unit 42a to transmit forces and / or torques to the cutting strand 30a.
  • Torque transmission element (not shown here), the torque transmitting element is connected during a coupling of the machine tool separating device 12a and the coupling device 36a with the cutting strand 30a.
  • the torque-transmitting element 46a and the cutting strand 30a are engaged even after decoupling from the coupling device 36a.
  • the torque-transmitting element 46a For a coupling of the torque-transmitting element 46a formed with the power-tool parting device 12a and the drive unit 40a and / or the gear unit 42a, the torque-transmitting element 46a has a coupling recess 48a into which a pinion (not shown here) of the drive unit 40a and / or a gearwheel (Not shown here in detail) and / or a toothed shaft (not shown here) of the gear unit 42a engages in an assembled state.
  • the coupling recess 48a is arranged concentrically in the rotation torque transmission element 46a.
  • the torque transmitting member 46a is formed as a gear.
  • the torque transmitting member 46a is at least partially supported in the guide unit 32a.
  • the torque transmission element 46a viewed along a direction perpendicular to the cutting plane, is at least partially disposed between outer surfaces 50a, 52a of the guide unit 32a in a recess 54a of the guide unit 32a. orderly. Further, the torque transmitting member 46a is rotatably supported around a rotation axis 56a in the guide unit 32a.
  • FIG. 3 shows a detailed view of the cutting strand segment 10a of the cutting strand 30a of the power-tool parting device 12a.
  • the cutting strand segment 10a comprises at least one cutter carrier element 14a and at least one cutting element 16a arranged on the cutter carrier element 14a, which has at least one clearance angle 18a (FIG. 4).
  • the cutting element 16a has at least one further clearance angle 20a (FIG. 4), which is formed differently from the clearance angle 18a of the cutting element 16a.
  • Cutting elements 16a is less than 50 °.
  • the clearance angle 18a of the cutting element 16a depending on a field of application on an angle between 20 ° - 50 °.
  • the further clearance angle 20a of the cutting element 16a is less than 80 °.
  • the further clearance angle 20a has an angle between 25 ° and 80 °, depending on a field of application.
  • the cutting element 16a is formed separately from the cutter support element 14a and by means of a positive, a non-positive and / or by means of a material connection to the
  • Cutting edge support element 14a is arranged. Further, the cutting element
  • the cutting strand segment 10a further comprises at least one further cutting element 22a, which is arranged on the cutter support element 14a.
  • the further cutting element 22a is formed integrally with the cutter support element 14a.
  • the further cutting element 22a has at least one clearance angle 24a and a further clearance angle 26a, which is formed differing from the clearance angle 24a of the further cutting element 22a.
  • the clearance angle 24a of the further cutting element 22a is less than 50 °.
  • the further clearance angle 26a of the further cutting element 22a is less than 80 °.
  • the cutting element 16a and / or the further cutting element 22a are / are set in relation to the outer surface 28a of the cutter support element 14a.
  • the cutting element 16a and the other cutting element 22a in opposite directions.
  • the cutting element 16a and the further cutting element 22a are jointly set in one direction, wherein the cutting element 16a has an angle of inclination relative to the outer surface 28a, which is different from an angle of inclination of the further cutting element 22a.
  • Cutting element 16a and the further cutting element 22a viewed along the cutting direction 44a, wavy on the cutter support member 14a to be arranged.
  • the cutting element 16a and / or the cutter support element 14a has / has, along a direction extending at least substantially perpendicular to a cutting plane, a maximum dimension x, which is smaller than 4 mm.
  • the maximum dimension x of the cutting element 16a and / or the cutter support element 14a forms a maximum width of the cutting strand segment 10a.
  • the Schneidstrangsegement 10a has a cutting width of 2.1 mm.
  • the cutting element 16a together with the cutter support element 14a, has a maximum volume which is smaller than 20 mm 3 .
  • the cutting strand segment 10a has a maximum volume that is less than 2 mm 3 .
  • the cutter support element 14a has at least one segment guide element 58a, which is intended to control a movement of the
  • Cutting edge support member 14a viewed in a arranged in the guide unit 32a state in a direction facing away from the guide unit 32a direction, at least along the at least substantially parallel to the cutting plane direction to limit.
  • the segment guide element 58a is formed by a transverse extension, which extends at least substantially perpendicular to the cutting plane or to the outer surface 28a.
  • the segment guide member 58a defines a longitudinal groove.
  • the segment guide element 58a is provided for limiting movement with the segment counterpart arranged on the inner wall of the guide unit 32a facing the cutter support element 14a and designed as a rib or punch-out. guide elements (not shown here) to cooperate.
  • the segment counter guide elements are formed corresponding to the segment guide element 58a.
  • the cutter support element 14a has a pressure force transmission surface 60a.
  • the pressure force transmission surface 60a is intended to support pressure forces which act on the cutting strand 30a during machining of a workpiece (not shown here in detail) by means of cooperation with a pressure force absorption region (not shown here in detail) of the guide unit 32a.
  • the pressure force receiving region of the guide unit 32a is here, as viewed along a direction extending at least substantially perpendicular to the cutting plane of the cutting strand 30a between the at least substantially parallel to each other outer surfaces 50a, 52a of the guide unit 32a.
  • the cutter support member 14a further includes a drive surface 62a which is adapted to cooperate with drive surfaces of the torque transmitting member 46a to drive the cutting string 30a.
  • the drive surfaces of the torque transmission element 46a are formed here as tooth flanks.
  • the drive surface 62a of the cutter support element 14a is formed in this case corresponding to the drive surfaces of the torque transmission element 46a.
  • the cutting strand 30a has at least one connecting element 64a, which is formed integrally with the cutter carrier element 14a.
  • the connecting element 64a is bolt-shaped and extends at least substantially perpendicular to the cutting plane.
  • the connecting element 64a is provided to realize by means of cooperation with a connecting recess of another cutter support member (not shown here) of another cutting strand segment of the cutting strand 30a a positive connection between the cutter support member 14a and the other cutter support element.
  • Cutter carrier element 14a also includes a connecting recess 66a, in which for the formation of the cutting strand 30a, another connecting element (not shown here in detail) of the cutting strand 30a can be arranged.
  • each cutter carrier element of the cutting strand 30a comprises at least one connecting element and at least one connecting recess.
  • the cutter support members of the cutting string 30a are pivotally supported relative to each other by means of cooperation of the connecting members and the connecting recesses.
  • the cutter support element 14a has at least one transverse securing element 68a, which is provided to secure the cutter carrier element 14a in a mounted state as far as possible against a transverse movement relative to the further cutter carrier element of the cutting strand 30a.
  • the transverse securing element 68a is arranged on the connecting element 64a. However, it is also conceivable for the transverse securing element 68a to be arranged on another area of the cutter carrier element 14a that appears sensible to a person skilled in the art.
  • FIGS. 5 and 6 show alternative embodiments. Substantially identical components, features and functions are basically numbered by the same reference numerals. To distinguish the embodiments, the letters a to c are added to the reference numerals of the embodiments. The following description is essentially limited to the differences from the first exemplary embodiment described in FIGS. 1 to 4, reference being made to the description of the first exemplary embodiment in FIGS. 1 to 4 with regard to components, features and functions remaining the same.
  • FIG. 5 shows an alternative cutting strand segment 10b of a cutting strand 30b.
  • the cutting strand segment 10b comprises at least one
  • the cutting element 16b has at least one further clearance angle 20b which differs from the clearance angle 18b of the cutting element 16b.
  • the cutting element 16b is integral with the
  • Cutting edge support member 14b formed.
  • the cutting strand segment 10b further comprises at least one further cutting element 22b, which on
  • Cutting edge support element 14b is arranged.
  • the further cutting element ment 22b also integrally formed with the cutter support member 14b.
  • the further cutting element 22b has at least one clearance angle 24b and a further clearance angle 26b, which is formed differing from the clearance angle 24b of the further cutting element 22b.
  • the cutter support element 14b comprises at least one connecting element 64b to form the cutting strand 30b.
  • the connecting element 64b is formed integrally with the cutter support element 14b.
  • the connecting element 64b is formed as a longitudinal extension of the cutter carrier element 14b.
  • the longitudinal extension is hook-shaped.
  • the longitudinal extension is deviating from a rod-shaped extension, to which a circular form-fitting element is formed, and / or deviating from a semicircular extension.
  • the connecting element 64b designed as a longitudinal extension has a transverse securing region 70b on one side. The transverse securing portion 70b is provided to be secured by means of a
  • the transverse securing portion 70b is formed as a rib.
  • the transverse securing region 70b has another configuration that appears expedient to a person skilled in the art, such as, for example, an embodiment as a groove, etc.
  • the cutter support element 14b has two transverse securing elements
  • the transverse securing elements 68b, 72b are in each case bounded by a connecting recess 66b of the cutter carrier element 14b Edge region of the cutter support member 14b arranged.
  • the transverse securing elements 68b, 72b are formed integrally with the cutter support element 14b.
  • the transverse securing elements 68b, 72b are integrally formed in each case by means of an embossing process on the cutter support element 14b.
  • FIG. 6 shows another alternative cutting strand segment 10c of a
  • the cutting strand segment 10c comprises at least one cutter carrier element 14c and at least one cutting element 16c arranged on the cutter carrier element 14c, which has at least one clearance angle 18c.
  • the cutting element 16c has at least one further clearance angle 20c which differs from the clearance angle 18c of the cutting element 16c.
  • the cutting element 16c is integrally formed with the cutter support member 14c.
  • the cutting strand segment 10c further comprises at least one further cutting element 22c, which is arranged on the cutter support element 14c.
  • the further cutting element 22c is also integral with the
  • the cutter carrier element 14c comprises a bolt-shaped connecting element 64c and a connecting recess 66c, into which a bolt-shaped connecting element (not shown in detail here) of another cutter carrier element (not shown here in detail) of another cutting strand segment of the cutting strand 30c
  • the cutter support element 14c is decoupled from the connecting element 64c and instead has two connecting recesses 66c into which a bolt-shaped connecting element can be inserted for forming the cutting strand 30c.
  • the cutter support element 14c comprises at least one segment guide element 58c.
  • the cutter support element 14c comprises a triangular drive region 74c.
  • the segment guide element 58c is arranged in the drive region 74c.
  • a drive surface 62c of the cutter support member 14c is disposed in the drive portion 74c.
  • the cutting element 16c and / or the cutter support element 14c have / points along an at least substantially perpendicular to a cutting edge considered plane extending direction, a maximum dimension x, which is smaller than 4 mm.
  • the maximum dimension x of the cutting element 16c and / or of the cutter support element 14c forms a maximum width of the cutting strand segment 10c.
  • the maximum width of the cutting strand segment 10c is 2 mm.
  • the cutting element 16c, together with the cutter support element 14c has a maximum volume which is less than 20 mm 3 .
  • the cutting strand segment 10a has a maximum volume that is less than 11 mm 3 .
  • the Schneidstrangsegement 10c has a maximum weight, which is less than 0.2 g.

Landscapes

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

Abstract

L'invention concerne un segment de brin de coupe d'un dispositif de séparation pour machine-outil, qui comprend au moins un élément porte-lames (14a; 14b; 14c) et au moins un élément de coupe (16a; 16b; 16c) monté au niveau de l'élément porte-lames (14a; 14b; 14c), qui présente au moins un angle de dépouille (18a; 18b; 18c). Selon l'invention, l'élément de coupe (16a; 16b; 16c) présente au moins un autre angle de dépouille (20a; 20b; 20c), conçu différemment de l'angle de dépouille (18a; 18b; 18c) de l'élément de coupe (16a; 16b; 16c).
PCT/EP2013/054323 2012-04-25 2013-03-05 Segment de brin de coupe WO2013159969A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13709837.2A EP2841243A1 (fr) 2012-04-25 2013-03-05 Segment de brin de coupe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210206757 DE102012206757A1 (de) 2012-04-25 2012-04-25 Schneidstrangsegment
DE102012206757.4 2012-04-25

Publications (1)

Publication Number Publication Date
WO2013159969A1 true WO2013159969A1 (fr) 2013-10-31

Family

ID=47891654

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/054323 WO2013159969A1 (fr) 2012-04-25 2013-03-05 Segment de brin de coupe

Country Status (3)

Country Link
EP (1) EP2841243A1 (fr)
DE (1) DE102012206757A1 (fr)
WO (1) WO2013159969A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB590282A (en) * 1945-01-25 1947-07-14 John Raymond Foyster Improvements in saws for cutting timber
DE931548C (de) * 1948-11-17 1955-08-11 Hans Wyss Kettensaegeband
US4232578A (en) * 1979-07-09 1980-11-11 Wallace Murray Corporation Saw blade and method of making
DE3817436A1 (de) * 1988-05-21 1989-11-30 Stihl Maschf Andreas Schneidzahnglied fuer eine saegekette einer motorkettensaege
DE9102288U1 (de) * 1991-02-27 1991-05-16 Mafell Maschinenfabrik Rudolf Mey GmbH & Co KG, 7238 Oberndorf Kettensäge

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1520422A (en) * 1922-10-13 1924-12-23 Lind Arvid Saw blade
DE419108C (de) * 1924-02-20 1925-09-19 Otto Emanuel Frunk Kettensaege
NO136485C (no) * 1972-11-29 1977-09-14 Elkem Spigerverket As Sagkjede for motorsag.
DE3539334A1 (de) * 1985-11-06 1987-05-07 Stihl Maschf Andreas Saegekette
GB9401578D0 (en) * 1994-01-27 1994-03-23 Neil Holdings Ltd James Saw blades
SE530360C2 (sv) * 2006-05-16 2008-05-13 Munkforssaagar Ab Ett sågblad och en metod att tillverka sågblad

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB590282A (en) * 1945-01-25 1947-07-14 John Raymond Foyster Improvements in saws for cutting timber
DE931548C (de) * 1948-11-17 1955-08-11 Hans Wyss Kettensaegeband
US4232578A (en) * 1979-07-09 1980-11-11 Wallace Murray Corporation Saw blade and method of making
DE3817436A1 (de) * 1988-05-21 1989-11-30 Stihl Maschf Andreas Schneidzahnglied fuer eine saegekette einer motorkettensaege
DE9102288U1 (de) * 1991-02-27 1991-05-16 Mafell Maschinenfabrik Rudolf Mey GmbH & Co KG, 7238 Oberndorf Kettensäge

Also Published As

Publication number Publication date
DE102012206757A1 (de) 2013-11-14
EP2841243A1 (fr) 2015-03-04

Similar Documents

Publication Publication Date Title
EP2890534B1 (fr) Segment de ligne de coupe
EP2680995B1 (fr) Machine-outil portative
EP2681020B1 (fr) Dispositif de séparation pour machine-outil
DE102012004053A1 (de) Werkzeugmaschinentrennvorrichtung
DE102011005008A1 (de) Werkzeugmaschinentrennvorrichtung
EP2841244A1 (fr) Dispositif de séparation pour machine-outil
DE102011005015A1 (de) Werkzeugmaschinensystem
WO2013159969A1 (fr) Segment de brin de coupe
DE102012206769A1 (de) Schneidstrangsegment
WO2012116835A1 (fr) Dispositif de séparation pour machine-outil
WO2013159967A1 (fr) Segment de brin de coupe
DE102012206811A1 (de) Schneidstrangsegment
DE102013200903A1 (de) Schneidstrangsegment
EP2680994B1 (fr) Dispositif d'une machine outil defini pour du coupage.
DE102011005010A1 (de) Werkzeugmaschinentrennvorrichtung
DE102012206820A1 (de) Werkzeugmaschinentrennvorrichtung
DE102012206760A1 (de) Schneidstrangsegment
WO2013159963A1 (fr) Segment de chaîne de coupe
WO2013159960A1 (fr) Dispositif de séparation pour machine-outil
DE102012004051A1 (de) Werkzeugmaschinentrennvorrichtung
WO2013159957A1 (fr) Dispositif de séparation pour machine-outil
WO2013159958A1 (fr) Dispositif de séparation pour machine-outil
WO2014000919A1 (fr) Élément d'entraînement doté de dents d'entraînement

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13709837

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2013709837

Country of ref document: EP