EP2841244A1 - Machine tool separating device - Google Patents
Machine tool separating deviceInfo
- Publication number
- EP2841244A1 EP2841244A1 EP13709838.0A EP13709838A EP2841244A1 EP 2841244 A1 EP2841244 A1 EP 2841244A1 EP 13709838 A EP13709838 A EP 13709838A EP 2841244 A1 EP2841244 A1 EP 2841244A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting
- cutting strand
- segment
- machine tool
- strand
- 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.)
- Withdrawn
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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B33/00—Sawing tools for saw mills, sawing machines, or sawing devices
- B27B33/14—Saw chains
- B27B33/142—Cutter elements
- B27B33/145—Cutter elements having plural teeth on a single link
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/909—Cutter assemblage or cutter element therefor [e.g., chain saw chain]
Definitions
- the invention relates to a machine tool separating device with at least one cutting strand.
- the cutting strand along a cutting direction of the cutting strand has a changing cutting edge angle geometry.
- a "cutting strand” is to be understood here as meaning, in particular, a unit which is intended to locally cancel atomic cohesion of a workpiece to be machined, in particular by means of a mechanical separation and / or by means of a mechanical removal of material particles of the workpiece, the unit being relative to one another
- 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
- the cutting strand may in this case be designed as a single-lance, two-lobed or three-lipped cutting chain, and the cutting strand is particularly preferably circulated in at least one operating state, in particular along one Circumference of a guide unit of the machine tool separating device.
- the power tool separating device comprises zugt at least one guide unit to a leadership of the cutting strand.
- the term "guide unit” should in particular define a unit which is provided for exerting a constraining force on the cutting strand at least along a direction perpendicular to the cutting direction of the cutting strand, in order to predetermine a possibility of movement of the cutting strand along the cutting direction
- the cutting strand viewed in a cutting plane, 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.
- 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
- the cutting strand and the guide unit preferably together form a closed system. which comprises at least two components which, by means of an interaction in a disassembled state of the system, retain functionality from a system superordinate to the system, such as a machine tool, and / or which, in the disassembled state, are undetachably included are 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 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.
- a "cutting edge angle geometry” is to be understood here as meaning, in particular, an angular geometry of a cutting edge of a cutting element of the cutting strand, such as, for example, a size of a rake angle and / or a size of a clearance angle which geometrically defines the cutting edge.
- the cutting strand has a cutting edge angle geometry which changes from the cutting strand segment to the cutting strand segment or within a cutting strand segment of the cutting strand.
- the cutting strand comprises at least one cutting strand segment with at least one cutting element which has at least one clearance angle that is different from a clearance angle of a cutting element of another cutting strand segment of the cutting strand.
- the term "clearance angle" should in particular define an angle which is included during a machining of a workpiece by means of the cutting strand, viewed in the cutting plane, by a cutting edge of a cutting element of the cutting strand and a workpiece surface of the workpiece to be machined by means of the cutting edge.
- an adaptation of the cutting strand to different material types of workpieces to be machined can be achieved.
- an operator can advantageously use the cutting strand for machining workpieces made of a hard, short-chipping material and at the same time for machining workpieces made of a soft, plastically deformable material. It can be advantageously achieved a high working comfort, through which an advantageous time savings can be made possible.
- the cutting strand comprises at least one cutting strand segment with at least one cutting element which has at least one rake angle which is different from a rake angle of a
- a "rake angle” is to be understood as meaning, in particular, an angle. be enclosed by an at least substantially perpendicular to a workpiece surface of a workpiece to be machined and a clamping surface of a cutting element of the cutting strand.
- the clamping surface is preferably formed by a surface directly adjacent to a cutting edge of the cutting element of the cutting strand.
- Rake angle disposed on a side facing away from the clearance angle side of the cutting element of the cutting strand can advantageously be achieved a different design of chip spaces of the cutting strand.
- a usability of the cutting strand for different workpieces made of different materials can be achieved.
- the cutting strand comprises at least one cutting strand segment with at least one cutting element and with at least one further cutting element, wherein the cutting element has a clearance angle which is different from a clearance angle of the further cutting element.
- the cutting element and the further cutting element can in this case be fixed to a cutting carrier element of the cutting strand segment by means of various types of connection that appear appropriate to a person skilled in the art, for example by means of a positive-locking, by means of a non-positive and / or by means of a cohesive connection.
- the cutting element and the further cutting element are formed integrally with a cutter carrier element of the cutting strand segment.
- in one piece is meant in particular at least materially connected connected, for example, by a welding process, a bonding process, a
- Cutting element and the cutter support element of the cutting strand segment from a single blank punched can advantageously be achieved a high removal rate of the cutting strand. Due to the one-piece design of the cutting element and the blade carrier element can be particularly advantageous assembly effort and
- the further cutting element also formed integrally with the cutter support member.
- the further cutting element also formed integrally with the cutter support member.
- the cutting element of the cutting strand segment has a rake angle that is different from a rake angle of the further cutting element.
- a different configuration of chip spaces can be achieved within the cutting strand segment. It can thus be advantageously achieved a universally applicable cutting strand segment, which is used for different types of material.
- the cutting strand comprises at least one cutting strand segment which has at least one cutting carrier element and at least one cutting element which together have a maximum volume which is smaller than 15 mm 3 .
- all cutting strand segments of the cutting strand have a volume that is less than 15 mm 3 .
- the cutting strand segment has a maximum volume which is less than 10 mm 3 and particularly preferably less than 5 mm 3 . It can be advantageously realized a cost-effective production of the cutting strand segment, with a low material usage is necessary.
- the cutting strand comprises at least one cutting strand segment which has at least one cutting carrier element and at least one cutting element, which together have a maximum weight which is less than 1 g.
- all Schneidstrangseg- ments of the cutting strand have a weight that is less than 1 g.
- the cutting strand segment has a maximum weight which is less than 0.8 g, preferably less than 0.5 g and more preferably less than 0.2 g. It can be advantageously achieved a lightweight construction of the cutting strand segment.
- the invention is based on a cutting strand segment of a cutting strand of a power-tool parting device according to the invention.
- 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 is connected to other designed as chain links cutting strand segments.
- the cutting strand segment as a driving member, as a connecting member, as a cutting member, etc. of a cutting chain may be formed.
- the cutting strand segment preferably comprises at least one cutter carrier element and at least one cutting element. It can be advantageously achieved a supplement of an existing cutting strand with a cutting strand segment according to the invention.
- the invention is based on a machine tool having at least one coupling device for the positive and / or non-positive coupling with a machine tool separating device according to the invention.
- 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.
- the machine tool separating device according to the invention, the cutting strand segment according to the invention, the machine tool according to the invention and / or the machine tool system according to the invention should / should not be limited to the application and embodiment described above.
- the machine tool separating device according to the invention, the cutting strand segment 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. drawing
- 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 detail view of a cutting strand of the invention
- FIG. 5 shows a detailed view of an alternative cutting strand segment of a cutting strand of a machine tool cutting device according to the invention in a schematic representation
- FIG. 6 shows a detailed view of a further, alternative cutting strand segment of a cutting strand of a machine tool parting device according to the invention in a schematic illustration
- FIG. 7 shows a detailed view of a further alternative cutting strand segment of a cutting strand of a machine tool separating device according to the invention in a schematic representation. Description of the embodiments
- Figure 1 shows a machine tool system comprising a machine tool 48a and a machine tool separator 10a.
- the machine tool 48a is designed here as a portable machine tool.
- the machine tool separating device 10a comprises at least one cutting strand 12a, which has at least one cutting strand segment 16a, 34a, and at least one guiding unit 52a for guiding the cutting strand 12a, wherein the guiding unit 52a and the cutting strand 12a together form a closed system.
- the machine tool 48a has at least one coupling device 50a for the positive and / or non-positive coupling with the power-tool parting device 10a.
- the coupling device 50a 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 48a has a machine tool housing 54a, which has a
- Drive unit 56a and a gear unit 58a of the machine tool 48a encloses.
- the drive unit 56a and the gear unit 58a are connected to one another in a manner already known to a person skilled in the art in order to produce a drive torque which can be transmitted to the power-tool parting device 10a.
- the gear unit 58a is designed as an angle gear.
- the drive unit 56a is designed as an electric motor unit. However, it is also conceivable for the drive unit 56a and / or the gear unit 58a to have another configuration that appears appropriate to a person skilled in the art.
- the drive unit 56 a is provided to the
- Cutting strand 12a of the power tool cutting device 10a in at least one operating state via the gear unit 58a to drive.
- the cutting strand 12a in the guide unit 52a of the machine tool separating device 10a is moved along a cutting direction 14a of the cutting strand 12a in the guide unit 52a.
- FIG. 2 shows the power-tool parting device 10a in a state decoupled from the coupling device 50a of the machine tool 48a.
- the machine tool separating device 10a has the cutting strand 12a and the guide unit 52a, which together form a closed system.
- the cutting strand 12a is guided by means of the guide unit 52a.
- the guide unit 52a at least one guide element designed as a guide groove (not shown here in detail), by means of which the cutting strand 12a is guided.
- the cutting strand 12a is guided by the guide groove bounding edge regions of the guide unit 52a.
- the guide element in another, a person skilled in the sense appearing manner, such as rib-like Anformung on the guide unit 52 a, in a recess on the
- Cutting strand 12a engages, is formed.
- the cutting strand 12a comprises a total of a plurality of interconnected cutting strand segments.
- the power-tool parting device 10a or the machine tool 48a has a torque-transmitting element 60a, which can be connected to the drive unit 56a and / or the gear unit 58a to transmit forces and / or torques to the cutting strand 12a.
- a torque-transmitting element 60a which can be connected to the drive unit 56a and / or the gear unit 58a to transmit forces and / or torques to the cutting strand 12a.
- Torque transmission element (not shown here), the torque transmitting element is connected during a coupling of the machine tool separating device 10 a and the coupling device 50 a with the cutting strand 12 a.
- the torque-transmitting element 60a and the cutting strand 12a are engaged even after decoupling from the coupling device 50a.
- the torque-transmitting element 60a For a coupling of the torque-transmitting element 60a formed with the power-tool parting device 10a and the drive unit 56a and / or the gear unit 58a, the torque-transmitting element 60a has a coupling recess 62a into which a pinion (not shown here) of the drive unit 56a and / or a gearwheel (Not shown in detail here) and / or a toothed shaft (not shown here) engages the gear unit 58a in an assembled state.
- the coupling recess 62a is arranged concentrically in the rotation torque transmission element 60a.
- the torque transmitting member 60a is formed as a gear.
- the torque transmitting member 60a is at least partially supported in the guide unit 52a.
- the torque transmission element 60a viewed along a direction perpendicular to the cutting plane, is at least partially disposed between outer surfaces 64a, 66a of the guide unit 52a in a recess 68a of the guide unit 52a. orderly. Further, the torque transmitting member 60a is rotatably supported around a rotation axis 70a in the guide unit 52a.
- FIG. 3 shows a detailed view of the cutting strand 12a of the machine tool separating device 10a.
- the cutting strand 12a has a varying cutting edge angle geometry along the cutting direction 14a of the cutting strand 12a.
- the cutting strand 12a comprises at least one cutting strand segment 16a with at least one cutting element 18a having at least one clearance angle 24a (FIG. 4) different from a clearance angle 30a of a cutting element 32a of another cutting strand segment 34a of FIG
- Cutting strand 12a is formed.
- the clearance angle 24a of the cutting element 18a of the cutting strand segment 16a is less than 50 °.
- the clearance angle 24a of the cutting element 18a of the cutting strand segment 16a has an angle between 15 ° - 50 °.
- the clearance angle 30a of the cutting element 32a of the further cutting strand segment 34a is less than 80 °.
- the clearance angle 30a of the cutting element 32a of the further cutting strand segment 34a has an angular dimension between 20 ° and 80 °, the clearance angle 30a of the cutting element 32a of the further cutting chain segment 34a always being different from the clearance angle 24a of the cutting element 18a of the cutting strand segment 16a.
- the cutting strand segment 16a at least one rake angle 36a (FIG. 4) which is formed differently from a rake angle 42a of the cutting element 32a of the further cutting strand segment 34a.
- the cutting strand segment 16a further includes
- Cutting support member 44a which is integrally formed with the cutting element 18a of the cutting strand segment 16a.
- 34a also includes a cutter support member 46a formed integrally with the cutting member 32a of the further cutter leg segment 34a.
- the cutting strand segment 16a and the further cutting strand segment 34a thus each comprise at least one cutter carrier element 44a, 46a and in each case at least one cutting element 18a, 32a.
- the cutting strand segment 16a and the further cutting strand segment 34a each have a maximum volume which is smaller than 15 mm 3 .
- the maximum volume of the cutting strand segment 16a and of the further cutting strand segment 34a is in each case less than 5 mm 3 .
- the cutting strand segment 16a and the Further cutting strand segment 34a each have a maximum weight which is less than 1 g.
- a maximum weight of the cutting strand segment 16a and of the further cutting strand segment 34a is in each case less than 0.2 g.
- the cutter support element 44a of the cutting strand segment 16a has at least one segment guide element 72a provided for movement of the cutter support element 44a of the cutting strand segment 16a in a state arranged in the guide unit 52a in a direction away from the guide unit 52a, at least along the direction - To limit at least substantially parallel to the cutting plane direction.
- the segment guide element 72a is formed by a transverse extension, which extends at least substantially perpendicular to the cutting plane.
- the segment guide member 72a defines a longitudinal groove.
- the segment guide element 72a is provided to cooperate with a movement limit with the segment counter-guide elements (not shown in detail here) arranged on the inner wall of the guide unit 52a facing the cutter support element 44a of the cutting strand segment 16a and designed as a rib or punch-out.
- the segment counteracting elements are formed corresponding to the segment guiding element 72a.
- 34a likewise comprises a segment guide element 74a designed to be analogous to the segment guide element 72a.
- the cutter support member 44a of the cutting strand segment 16a has a compressive force transfer surface 76a.
- the 76a is intended to support pressure forces, which act on the cutting strand 12a 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 52a.
- the pressure force receiving region of the guide unit 52a is in this case viewed along an at least in
- the cutter support element 46a of the further cutting strand segment 34a comprises likewise a pressure force transmission surface 78a designed to be analogous to the pressure force transmission surface 76a.
- the cutter support member 44a of the cutter string segment 16a further includes a drive surface 80a provided to drive the carrier
- Cutting strand 12a to cooperate with drive surfaces of the torque transmitting element 60a.
- the drive surfaces of the torque transmission element 60a are formed here as tooth flanks.
- the drive surface 80a of the cutter support element 44a of the cutting strand segment 16a is in this case correspondent with the drive surfaces of the torque transmission element
- the cutting carrier element 46a of the further cutting strand segment 34a likewise comprises a drive surface 82a which is analogous to the drive surface 80a.
- the cutting strand 12a has at least one connecting element 84a, which is formed integrally with the cutter carrier element 44a of the cutting strand segment 16a.
- the connecting element 84a is bolt-shaped and extends at least substantially perpendicular to the cutting plane.
- the connecting element 84a is provided, by means of an interaction with a connecting recess 86a of a cutter support element 102a of an additional cutting-edge segment 104a of the cutting strand 12a, a positive connection between the
- the cutting carrier element 44a of the cutting strand segment 16a and the cutting carrier element 46a of the further cutting strand segment 34a also each comprise a connecting recess 88a,
- each cutter support element of the Cutting strand 12a at least one connecting element and at least one connection recess.
- the cutter support elements of the cutting strand 12a are in this case mounted by means of an interaction of the connecting elements and the connecting recesses relative to each other pivotally.
- the cutting strand segment 16a and the further cutting strand segment 34a thus have an analogous configuration to each other.
- the cutter support element 44a of the cutting strand segment 16a has at least one transverse securing element 90a, which is provided to secure the cutter carrier element 44a of the cutting strand segment 16a in a mounted state as far as possible against a transverse movement relative to the further cutter carrier element 46a of the further cutting strand segment 34a of the cutting strand 12a.
- Cutting edge support element 44a of the cutting strand segment 16a is arranged on the connecting element 84a of the cutting support element 44a of the cutting strand segment 16a.
- the transverse securing element 90a of the cutter carrier element 44a of the cutting strand segment 16a to be arranged on another region of the cutter carrier element 44a of the cutting strand segment 16a that appears meaningful to a person skilled in the art, for example in a coupling region in which the connecting element
- Blade support member 46a at least partially touched.
- Cutting carrier element 46a of the further cutting strand segment 34a likewise comprises a transverse securing element 94a designed to be analogous to the transverse securing element 90a.
- FIG. 5 to 7 alternative embodiments are shown.
- Substantially identical components, features and functions are basically numbered by the same reference numerals. To distinguish the embodiments, the letters a to d are added to the reference numerals of the embodiments. The following description is essentially limited to the differences from the first described in FIGS. 1 to 4 Embodiment, with respect to the same components, features and functions can be made to the description of the first embodiment in Figures 1 to 4.
- FIG. 1 to 4 Embodiment with respect to the same components, features and functions can be made to the description of the first embodiment in Figures 1 to 4.
- the cutting strand 12b has a changing cutting edge angle geometry along a cutting direction 14b of the cutting strand 12b.
- the cutting strand segment 16b comprises at least one cutting element 18b and at least one further cutting element 20b, wherein the cutting element 18b has a clearance angle 24b, which is different from a clearance angle 26b of the further cutting element 20b.
- the cutting strand segment 16b has at least one additional cutting element 22b, which has a clearance angle 28b, which is different from the clearance angle 24b of the cutting element 18b and / or the clearance angle 26b of the further cutting element 20b.
- the cutting strand segment 16b has one of three different number of cutting elements.
- the cutting element 18b has a rake angle 36b, which is formed differently from a rake angle 38b of the further cutting element 20b.
- the additional cutting element 22b has a rake angle 40b, which depends on the
- Rake angle 36b of the cutting element 18b and / or the rake angle 40b of the further cutting element 20b is different.
- the cutting strand segment 16b comprises at least one cutter support element 44b, which is formed integrally with the cutting element 18b, the further cutting element 20b and the additional cutting element 22b.
- FIG. 6 shows a detailed view of a further, alternative cutting-edge segment 16c of a cutting strand 12c of a power-tool parting device
- the cutting strand 12c has a changing cutting edge angle geometry along a cutting direction 14c of the cutting strand 12c.
- the cutting strand segment 16c comprises at least one cutting element 18c and at least one further cutting element 20c, wherein the cutting element 18c has a clearance angle 24c, which is different from a Free angle 26c of the further cutting element 20c is formed.
- the cutting strand segment 16c has at least one additional cutting element 22c, which has a clearance angle 28c, which is different from the clearance angle 24c of the cutting element 18c and / or the clearance angle 26c of the further cutting element 20c.
- the cutting strand segment segment 16c has at least one additional cutting element 22c, which has a clearance angle 28c, which is different from the clearance angle 24c of the cutting element 18c and / or the clearance angle 26c of the further cutting element 20c.
- the 16c has one of three different number of cutting elements.
- the cutting element 18c has a rake angle 36c that is different from a rake angle 38c of the further cutting element 20c.
- the additional cutting element 22c has a rake angle 40c that is different from the rake angle 36c of the cutting element 18c and / or the rake angle 40c of the further cutting element 20c.
- the cutting strand segment 16c comprises at least one
- the cutter carrier element 44c which is formed integrally with the cutting element 18c, the further cutting element 20c and the additional cutting element 22c.
- the cutter support element 44c comprises at least one connecting element 84c to form the cutting strand 12c.
- the connecting element 84c is formed integrally with the cutter support element 44c.
- the connecting element 84c is formed as a longitudinal extension of the cutter support element 44c. The longitudinal extension is hook-shaped.
- the longitudinal extension is hook-shaped.
- connection element 84c designed as a longitudinal extension has a transverse securing region 96b on one side.
- the transverse fuse portion 96 c is provided to be connected by means of a
- the transverse securing region 96c is designed as a rib.
- the transverse securing region 96c has another configuration that appears appropriate to a person skilled in the art, such as, for example, an embodiment as a groove, etc.
- the transverse securing region 96c is arranged on a side of the connecting element 84c which faces the cutting elements 18c, 20c, 22c in one piece with the cutter support element 44c.
- the cutter support element 44c has two transverse securing elements
- the transverse securing elements 90c, 98c are in each case delimiting a connection recess 86c of the cutter carrier element 44c
- transverse securing elements 90c, 98c are formed integrally with the cutter support element 44c.
- the transverse securing elements 90c, 98c are integrally formed in each case by means of an embossing process on the cutter support element 44c.
- FIG. 7 shows another alternative cutting strand segment 16d of a
- Cutting strand 12d a machine tool separating device (not shown here).
- the cutting strand 12d has a changing cutting edge angle geometry along a cutting direction 14d of the cutting strand 12d.
- the cutting strand segment 16d comprises at least one cutting element 18d and at least one further cutting element 20d, wherein the cutting element 18d has a clearance angle 24d, which is different from a clearance angle 26d of the further cutting element 20d.
- the cutting strand segment 16d has at least one additional cutting element 22d, which has a free angle 28d, which is different from the clearance angle 24d of the cutting element 18d and / or the clearance angle 26d of the further cutting element 20d.
- the cutting strand segment 16d has one of three different number of cutting elements.
- the cutting element 18d has a rake angle 36d, which is formed differently from a rake angle 38d of the further cutting element 20d.
- the additional cutting element 22d has a rake angle 40d which is different from the rake angle 36d of the cutting element 18d and / or the rake angle 40d of the further cutting element 20d.
- the cutting strand segment 16d comprises at least one cutter support element 44d, which is formed integrally with the cutting element 18d, the further cutting element 20d and the additional cutting element 22d.
- the cutter carrier element 44d comprises a bolt-shaped connecting element 84d and a connecting recess 88d, into which a bolt-shaped connecting element (not shown in detail here) of a further cutter carrier element (not shown here in detail) of another cutting strand segment of the cutting strand 12d can be introduced.
- the cutter support element 44d is decoupled from the connecting element 84d and instead has two connecting recesses 88d, in each of which a bolt-shaped connecting element can be inserted to form the cutting strand 12d.
- the cutter support element 44d comprises at least one segment guide element 72d.
- the cutter support element 44d comprises a triangular drive region 100d.
- the segment guide element 72d is arranged in the drive region 100d.
- a drive surface 80d of the cutter support element 44d is arranged in the drive region 100d.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012206787A DE102012206787A1 (en) | 2012-04-25 | 2012-04-25 | Machine tool separating device |
PCT/EP2013/054329 WO2013159970A1 (en) | 2012-04-25 | 2013-03-05 | Machine tool separating device |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2841244A1 true EP2841244A1 (en) | 2015-03-04 |
Family
ID=47891655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13709838.0A Withdrawn EP2841244A1 (en) | 2012-04-25 | 2013-03-05 | Machine tool separating device |
Country Status (6)
Country | Link |
---|---|
US (1) | US10160135B2 (en) |
EP (1) | EP2841244A1 (en) |
CN (1) | CN104245257A (en) |
DE (1) | DE102012206787A1 (en) |
RU (1) | RU2641013C2 (en) |
WO (1) | WO2013159970A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11273573B2 (en) * | 2016-01-13 | 2022-03-15 | Oregon Tool, Inc. | Saw chain link with one or more oversized rivet holes |
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JPH06206119A (en) * | 1991-07-15 | 1994-07-26 | Susumu Ueno | Endless saw |
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US2347765A (en) * | 1941-07-11 | 1944-05-02 | William B Boice | Band saw |
US2351738A (en) * | 1941-08-22 | 1944-06-20 | Arthur N Blum | Cutting chain |
US2755828A (en) * | 1951-08-03 | 1956-07-24 | Edwin T Dunnington | Chain saw |
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2013
- 2013-03-05 US US14/394,299 patent/US10160135B2/en active Active
- 2013-03-05 RU RU2014147078A patent/RU2641013C2/en not_active IP Right Cessation
- 2013-03-05 WO PCT/EP2013/054329 patent/WO2013159970A1/en active Application Filing
- 2013-03-05 CN CN201380021981.1A patent/CN104245257A/en active Pending
- 2013-03-05 EP EP13709838.0A patent/EP2841244A1/en not_active Withdrawn
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Also Published As
Publication number | Publication date |
---|---|
DE102012206787A1 (en) | 2013-10-31 |
US20150075349A1 (en) | 2015-03-19 |
WO2013159970A1 (en) | 2013-10-31 |
US10160135B2 (en) | 2018-12-25 |
RU2641013C2 (en) | 2018-01-15 |
RU2014147078A (en) | 2016-06-10 |
CN104245257A (en) | 2014-12-24 |
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