EP1193037A1 - Werkzeug für die maschinelle Bearbeitung eines Werkstücks - Google Patents
Werkzeug für die maschinelle Bearbeitung eines Werkstücks Download PDFInfo
- Publication number
- EP1193037A1 EP1193037A1 EP00810901A EP00810901A EP1193037A1 EP 1193037 A1 EP1193037 A1 EP 1193037A1 EP 00810901 A EP00810901 A EP 00810901A EP 00810901 A EP00810901 A EP 00810901A EP 1193037 A1 EP1193037 A1 EP 1193037A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- recess
- knife
- tool according
- disk
- 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- Withdrawn
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- 238000003754 machining Methods 0.000 title claims description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000002023 wood Substances 0.000 claims abstract description 6
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- 238000003801 milling Methods 0.000 claims description 58
- 210000001145 finger joint Anatomy 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 description 5
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F1/00—Dovetailed work; Tenons; Making tongues or grooves; Groove- and- tongue jointed work; Finger- joints
- B27F1/16—Making finger joints, i.e. joints having tapers in the opposite direction to those of dovetail joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G13/00—Cutter blocks; Other rotary cutting tools
- B27G13/005—Tools composed of two or more rotating discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G13/00—Cutter blocks; Other rotary cutting tools
- B27G13/12—Cutter blocks; Other rotary cutting tools for profile cutting
- B27G13/14—Cutter blocks; Other rotary cutting tools for profile cutting for cutting grooves or tenons
Definitions
- the invention relates to a tool for machining a workpiece, wherein the tool has at least one cylindrical disk with at least one over a Shell surface of the disc protruding cutting unit is equipped, which in a formed as a recess in the outer surface of the disc by a Clamping device is held.
- the appropriate tools are available for machining workpieces preferably have a cylindrical shape and are on a tool spindle of a machine tool assembled.
- finger joint cutter heads are used in timber construction.
- mini finger knife heads.
- it is possible to use leftover and stormwood to get out of this wood also produce reusable profiles, especially for window and furniture construction.
- the known milling cutters for producing finger joints are made, for example, of cylindrical ones Disks assembled with knives attached to these disks. So that individual disks do not twist against each other during milling, they will connected with pins.
- the knives attached to the disks are attached in such a way that they are sharpened can and are interchangeable if necessary.
- a cutter set for example are offered by Leuco, Germany, or Stark, Italy, are several individual knife disks on a bushing for a cutter set - one set of milling disks or milling heads - assembled and with the help of a clamping nut braced.
- a cutter set may also be included clamped with a hydraulic clamping nut.
- the distance between the individual knife disks corresponds to the desired distance that the finger joints created should have.
- the object of the invention is to provide a tool for machining a workpiece to create what single or even several disadvantages of the prior art avoids and allows more cutting units on a certain diameter to arrange a cylindrical disc than is the case in the prior art.
- the solution to the problem is defined by the features of claim 1.
- the invention comprises at least one tool for machining a workpiece a cylindrical disc, which has at least one over a lateral surface the disc protruding cutting unit is equipped.
- This cutting unit is in a recess formed in the lateral surface of the disc by a Tensioner held.
- This clamping device has an arranged in the socket, tending to act radially.
- the direction of action becomes "tend to act radially" understood that an angle of greater than 45 ° related to a tangent on the outer circumference the disc of the tool.
- the angle to the tangent is preferably even more than 60 °.
- the orientation of the actuation mechanism is among others Parameters depend in particular on the orientation of the cutting units.
- the material to be machined can also have a direction of action with a negative angles occur. At a negative angle, an angle is described to the Tangent understood, which has a value greater than 90 °.
- Alignment of the actuation mechanism can be the number of a cylindrical Disc-arranged cutting units can be increased significantly than this at a Arrangement of an actuating mechanism is the case in which the alignment is one essentially tangential angle ( ⁇ 45 °).
- the concept of the operating mechanism describes a means that must be used to achieve the desired tension to generate the clamping device.
- Such a tool is used in a preferred embodiment for machining of wooden workpieces.
- the tool can also be designed in this way be that workpieces made of another solid organic material, such as can be processed from plastic or similar material.
- Further Materials that can be processed with a tool according to the invention are, for example Group of non-ferrous materials, as aluminum represents them.
- too Machining workpiece to be made of a composite which is one of several different mixed materials and / or one of several, different layered materials.
- the at least one Adjust cutting unit may be necessary to align the at least one Adjust cutting unit. In addition to aligning the direction of engagement of the entire This also applies to the design of the cutting unit itself and the cutting unit any design of individual elements of the cutting unit.
- Tools constructed according to the invention are used, for. B. used for milling the workpiece.
- a preferred application is the production of finger joints in wood or in one other material.
- the tool can also be designed as a set of planes.
- the cutting unit consists of at least one knife. If more than one knife is arranged in the axial direction of the disc, these are Knives preferably combined into a knife pack.
- the Knife packs in the axial direction are not larger than the cylindrical disc to which the knife packs are attached.
- the exhibition packages can also be on the side panels survive slightly.
- a claimed tool points in front of the The outer surface of the discs attached to cutting units an air space.
- This airspace is preferably in the form of a radial depression opposite the lateral surface of the Disc formed.
- This air space serves as a chip space for the workpiece, which foreign body and in particular in the process Can pick up chips from the workpiece to be machined. They can continue Cutting units attached behind this air space are sharpened directly on the tool or be reground without the cutting units being removed from the workpiece must be dismantled. This ensures the precision of the finger joints produced also guaranteed if the knives have been resharpened. Every disassembly and subsequent Mounting the knife packs has a negative influence on their adjustment.
- This recess serves as a holder for the clamping device including the Actuating mechanism and the cutting unit. It also creates the airspace which fulfills the function of the chip room.
- the recess preferably has two side walls, which are more or less radially inward from the outer circumference run. Furthermore, the recess has a bottom, which the recess in closes radial direction and preferably extends in the circumferential direction of the disc.
- the clamping device preferably a wedge element, fills the space between the fastening part the cutting unit and the side walls of the recess in the circumferential direction the disc.
- the shape and size of the wedge element depend on the design the recess and the design of the fastening part of the cutting unit dependent.
- the air space which serves in particular as a chip space, is preferred formed in that the wedge element and the cutting unit to be fastened in the circumferential direction of the disc, the recess from one side to the other Fill out the page completely, but in the radial direction of the pane from the outer circumference seen fill only part of the recess such that the outer circumference of the Disk created in front of the cutting element of the air space or the chip space becomes.
- the cutting unit protrudes over the outer circumference of the disc.
- a wedge element reached, which has a trapezoidal axial cross section.
- the wedge element is arranged with a trapezoidal axial cross section such that the shorter parallel side of this trapezoidal axial cross section at the bottom of the recess comes to rest.
- the fastening part of the cutting unit can be such be designed so that it can be attached directly to the bottom of the recess.
- the actuating mechanism is one on the bottom of the one serving as a holder Recessing clamping means provided.
- a releasable clamping device such as one Clamping screw preferred.
- Other clamping devices possibly also bolts, rivets or Pens can be used, provided that a preferred arrangement with these means Wedge element can be clamped.
- Such clamping devices are preferably in the floor anchored in the recess.
- the clamping device can also be used on only one Side wall of the recess can be anchored, for example with a spring mechanism.
- the attachment of the cutting element in the recess in the outer surface of the disc is preferably carried out as follows:
- the according to the required cutting geometry trained cutting unit is in the correspondingly formed recess used in the outer surface of the disc.
- the wedge element is in the axial direction introduced.
- the cutting unit has a fastening part with one designed in this way Form that the wedge element are just inserted in the axial direction can.
- the wedge element is provided with at least one bore in which the actuating mechanism (e.g. a clamping screw).
- actuating mechanism e.g. a clamping screw
- a clamping screw as an actuating mechanism are at the bottom of said recess Threaded holes arranged.
- the number of arranged in the bottom of the recess Tapped holes correspond to the number of holes in the wedge element and thus the number of clamping screws, or corresponding to that to ensure the safety of the attachment of the cutting units required number of Adjusted clamping screws.
- the wedge element and the cutting unit can also work together and simultaneously be inserted into the recess in the radial direction.
- Every air space interferes with the air flow around the tool.
- the working speed at the tool according to the invention is 8000 rpm. Every airspace that prevents can result in the noise level of the tool being significantly reduced can be. With regard to noise pollution, the comfort of work increases Tool relevant and future noise regulations can be easier than with previous ones Machining tools are met.
- the preferred embodiment of the recess in the outer surface of the disk is through determined several parameters.
- This recess is preferably designed in such a way that on the one hand a secure attachment of the cutting units is guaranteed and on the other hand a sufficiently large space is created, in which chips or, respectively Foreign bodies can be picked up at short notice.
- the chips that accumulate in this airspace are so long can, until this is provided by a machine tool usually present Suction device is suctioned off and thus removed.
- the chip room becomes sufficient trained large, the risk of individual foreign bodies between the individual is reduced penetrate cylindrical discs and cause damage.
- the recess also serve as a socket in the outer surface of the pane, so that the required Clamping element and the actuating mechanism installed within this recess can be. Furthermore, the recess should only be made so large that the resultant Turbulence of the air flowing around the tool to a minimum be restricted.
- An optimized configuration of the recess has a channel-shaped axial cross section on which is slightly tapered and in relation to a radial direction is inclined. As stated above, the orientation of the Cutting units with the type of material to be processed. This can result in a corresponding adapted configuration of the recess lead, in particular in relation to secure attachment of the cutting units to the cylindrical disc.
- a tool preferably consists of at least two cylindrical disks, which are connected to each other without pins.
- a secure connection must also be Working speed of about 8000 rpm between the individual disks Can transmit torque. The discs are secured against rotation projecting over the edge of at least one radially extending side surface of the disk Cutting units guaranteed. Other means of creating a secure connection between the panes are not necessary. It should be noted that the pin-free connection also completely independent of the previously discussed clamping device for the knife packages can be used.
- the cutting units are preferably knife packs which are composed of assemble a plurality of individual knives adjacent in the axial direction.
- each knife creates adjacent axially of the knife pack every second finger, viewed in the axial direction. So that Desired small distance between the finger joints can be created, are the circumferential successive knife packs offset in the axial direction.
- at an exemplary number of six arranged on the outer circumference of a disc Knife packs are preferred every second, in this case a total of three knife packs in the same axial direction by half the distance of each Knives of the knife packs are offset.
- the knife packs are now with a even numbering over one of the radial side surfaces of the disc.
- all are Disks of a tool of the same diameter with the same number of arranged Provide cutting units. So that the tool is composed of such discs can be on the radially extending side surface of the disc opposite the radially extending side surface on which the cutting units protrude, Recesses provided. These recesses are designed in such a way that the protruding cutting units of the adjacent disc are accommodated therein and that the above cutting units engage in such a way that a Torque can be transmitted through adjacent discs.
- the recesses manufactured almost perfectly based on the above cutting units.
- the radial ones are Flat side surfaces of the panes. All of the disks used are preferably of the same type designed so that there is no confusion between these discs in the composition of the tool is possible.
- a secure connection can also be made with one or more pins the individual disks can be created.
- Under a pin for such a pin connection is basically understood to be a bolt-like means.
- This Pins can have a circular cylindrical or prismatic shape and are due to dimensioned of the forces that the pins must transmit.
- the pens are in one to these pins complementary recess on one of the radially extending Side surface of the disc inserted and penetrate the side surface of the neighboring Disc in which also a recess complementary to the pin is arranged. These pens are in addition to any other surveys used to prevent rotation of the discs.
- the recesses become the receptacle the above cutting units on the one radially extending side surface the disc arranged such that the cutting units attached to this disc not on the same axial line as the cutting units come lie, which are attached to the directly adjacent discs.
- this recess is not exactly centric in relation to the outer circumference of the disk arranged between two adjacent cutting units.
- the Recesses in a ratio of two to one based on the length of the circular section of one Cutting unit to the next cutting unit arranged on the same disc. With an exemplary number of six cutting units per disk, this results in seen from it a 20 ° in the circumferential direction, staggered arrangement of the adjacent Disc arranged cutting unit.
- FIG. 1 shows a perspective view of the inventive tool on Example of a milling cutter set 1 for the production of mini finger joints on a wooden workpiece.
- several milling body discs 2.1, 2.2 and 2.3 offset from one another to the desired cutter set 1.
- Each of the Milling body disks 2.1, 2.2 and 2.3 have a hollow cylindrical shape with recesses 3.1, ...., 3.6 in the outer surface of the milling body disk 2.1, 2.2 and 2.3.
- These recesses 3.1, ...., 3.6 serve as the holder and holder for the knife packs 4.1, ...., 4.6 and the wedge elements 5.1, ...., 5.6 and the creation of the chip rooms 6.1, ...., 6.6.
- the milling body disks 2.1, 2.2 and 2.3 have a in this embodiment the usual outer diameter of 129 mm on what a flight circle of it attached knife packs 4.1, ...., 4.6 of 160 mm.
- the outside diameter is on the one hand by the desired depth of the finger joints and on the other hand by the design of the knives used.
- the inside diameter of the hollow cylindrical Milling body discs 2.1, 2.2 and 2.3 is 50 mm in this embodiment. This The inside radius is the outside diameter of the tool spindle of the machine tool used depending on which cutter set 1 is used.
- the manufactured Finger joints have a final distance of 3.8 mm. In this example the height of the individual milling body discs 2.1, 2.2 and 2.3 is 30.4 mm.
- the number of three milling body disks 2.1, 2.2 and 2.3 shown serves for clarification the entire invention and can, depending on the width of the workpiece to be machined and Dimensions of the machine tool used are adjusted. Any of these Milling body discs 2.1, 2.2 and 2.3 is in this embodiment with six knife packs 4.1, ...., 4.6 equipped. The number of knife packs 4.1, ...., 4.6 per cutter body disc 2.1, 2.2 and 2.3 is primarily dependent on the outside diameter of the cutter body disc. Compared to the prior art, however, as a result of those described below Type of attachment of the knife packs 4.1, ...., 4.6 more of these arranged than this is the case with the previously proposed or offered fastening types.
- the desired distance between the finger tines in this example is 3.8 mm.
- the preferred manufacturing process 4.1, ...., 4.6 each adjacent finger in the axial direction, but only each second of the finger joints to be created. For this reason it is in the axial direction measured distance of the individual to the corresponding knife package Knife 7.6 mm. Since the knives of the knife packs 4.1, ...., 4.6 are not closely spaced are arranged to each other, hardly foreign objects such as chips and the like jam between the individual knives.
- the one knife pack in this embodiment the knife packs 4.1, 4.3 and 4.5 are arranged in such a way that the upper edge thereof Knife packages approximately with the radially extending side surface 7.1 or 7.2 or 7.3 of the milling body disc 2.1 or 2.2 or 2.3 matches. Every second knife package of the knife packs arranged overall on the milling body disks 2.1 or 2.2 or 2.3, in this example the knife packages 4.2, 4.4 and 4.6 are changed accordingly half the value of the knife distance of a knife package, in this case 3.8 mm into the same axial direction to the knife packs 4.1, 4.3 and 4.5, arranged offset.
- This offset arrangement of the knife packs 4.1, ...., 4.6 results in the desired distance of the finger joints of 3.8 mm, which have the milled workpiece should.
- the height of the knife packs 4.1, ...., 4.6 measured in the axial direction is in this example 28.5 mm.
- the knife packs 4.2, 4.4 and 4.6 are staggered due to the arrangement shifted in the axial direction 1.9 mm above the radial one Side surface 8.1 or 8.2 or 8.3 in front.
- the milling body discs 2.1, 2.2 and 2.3 have recesses 9.1, 9.2 and 9.3, which are the radial Pick up protruding knife packs 4.2, 4.4 and 4.6.
- the recesses 9.1, 9.2 and 9.3 are channel-shaped and have one in the axial direction Depth of about 2.1 mm.
- the size of the dimensions of the above knife packs 4.2, 4.4 and 4.6 enlarge or reduce.
- the dimensions of the recesses 9.1, 9.2 and 9.3 are in accordance with the above part of the knife packages 4.2, 4.4 and 4.6 adjusted.
- the milling body disks are due to the described configuration 2.1, 2.2 and 2.3 are arranged so close to each other that there is hardly any free space forms between the individual milling body discs 2.1, 2.2 and 2.3. This will make the Risk of foreign bodies, in particular chips and the like, between the individual Milling body discs 2.1, 2.2 and 2.3 can penetrate significantly compared to the previous ones Tools that were composed of several disks are reduced.
- the tight arrangement of the milling body disks 2.1, 2.2 and 2.3 further ensures that further possible air spaces are avoided or reduced. this leads to a substantial reduction in the noise emissions generated by the tool 1.
- the recesses 9.1, 9.2 and 9.3 in this embodiment compared to the closer knife packs 4.1, 4.3 and 4.5 arranged by 20 ° against the direction of rotation of the cutter set 1.
- this arrangement of the recesses 9.1, 9.2 and 9.3 and the protrusions of the knife packs 4.2, 4.4 and 4.6 of the adjacent milling body disk for example milling body disk 2.2 or 2.3, this neighboring milling body disk is aligned such that on the entire milling body set 1, the knife packs 4.1, ..., 4.6 arranged helically are.
- each cutter body disc opposite the neighboring one is offset by a certain angle in the circumferential direction.
- the fourth or the following third milling cutter discs are again the same with their knife packs aligned, d. H. the knife packs attached to it are arranged on axial lines. Due to the helical and offset arrangement of the knife packs 4.1, ...., 4.6 the result is a corrugation-free cut, which leads to a high cut Precision of the individual finger joints and especially when the individual knives exit leads to less rejects from the workpiece than with previous tools the case is.
- FIG. 2 shows a frontal view of an individual milling body disk 2.1.
- the individual knife packs 4.1, ...., 4.6 are fastened with the wedge elements 5.1, ...., 5.6, which in turn each have actuation mechanisms, in this example two clamping screws are equipped per wedge element. Representing all wedge elements 5.1, ...., 5.6, the clamping screws 11.1 and 11.2 are shown for the wedge element 5.4.
- the floor the recess 22.1, ...., 22.6 in the lateral surface of the milling body disk 2.1, 2.2 and 2.3 is with a corresponding engagement means, in this example with the clamping screws 11.1 and 11.2 provide complementary threaded holes.
- the clamping screws 11.1 and 11.2 become the individual knife packages, here the knife package 4.4 clamped over the wedge element 5.4.
- the wedge elements 5.1, ...., 5.6 can together with the fastening part 23.1, ...., 23.6 corresponding knife packs 4.1, ...., 4.6 used in the corresponding recesses 3.1, ...., 3.6 in the radial direction and fastened with the corresponding tensioning screws. It can also be the first Knife packs 4.1, ...., 4.6 inserted in the corresponding recesses 3.1, ...., 3.6 and the wedge elements 5.1, ...., 5.6 are then inserted in the axial direction.
- the clamping screws 11.1 and 11.2 act more or less in a radial direction the corresponding milling body disc. Based on the explanations of Figure 4 detailed what is under a radial alignment of the clamping screws 11.1 and 11.2 is understood.
- the fastening part held in the recess has 23.1, ...., 23.6 a straight side, which is along the side 24.1, ...., 24.6 of the recess is arranged, which is inclined in the direction of rotation 10 of the milling body disk 2.1.
- the cross section of the fastening part 23.1, ...., 23.6 of the Knife packages down to the bottom 22.1, ...., 22.6 of the recess.
- the size of the thickening the cross section is directly dependent on the cross section of the wedge element 5.1, ...., 5.6.
- the exemplary embodiment shows a milling body disk 2.1, which is used for the production of finger joints in a piece of wood from red fir is used.
- the recess is slanted in a certain sense.
- the angle ⁇ the inclination is 4.1, ...., 4.6 compared to that of all knife packages Center of the recess to the center of the milling body disk 2.1 radial beam 12 about 20 °.
- the alignment of the clamping screws for example the clamping screws 11.1 and 11.2 lies on the parallel to the alignment of the knife packs Axis 13 and thus also has an angle of approximately 20 ° with respect to the radial beam 12 the milling body disc 2.1.
- the recesses 3.1, ...., 3.6 in the outer surface of the milling body disk 2.1, which the outer diameter corresponds to the milling body disk 2.1, are designed accordingly.
- the recesses 3.1, ..., 3.6 have an axial Direction of channel-shaped cross section, which is slightly conical and with respect to a radial direction is inclined.
- the two side walls 24.1, ...., 24.6 or 25.1, ...., 25.6 run in this embodiment in more or less radial direction together.
- the wedge element 5.1, ...., 5.6 and the fastening part 23.1, ...., 23.6 are the side walls 24.1, ...., 24.6 and 25.1, ...., 25.6 inclined differently and can be parallel to each other or even in opposite directions be aligned.
- the alignment of the side walls 24.1, ...., 24.6 or 25.1, ...., 25.6 has a significant influence on the assembly of the knife packs 4.1, ...., 4.6. If the side walls 24.1, ...., 24.6 and. 25.1, ...., 25.6 from the center of the milling body disc converge towards the outside, the wedge elements 5.1, ..., 5.6 must be inserted axially become. This only after the fastening parts 23.1, ...., 23.6, if necessary were also introduced axially.
- the difference between the extreme point of the knife packs 4.1 in the radial direction, ...., 4.6, the so-called flight circle 15 and the outer circumference 14 of the milling body disk 2.1 determines the maximum penetration depth of the knife packs 4.1, ...., 4.6 in the machined Workpiece and thus the maximum finger length of the individual finger joints.
- the wedge elements 5.1, ..., 5.6 have an overall cylindrical shape, the Base of the cylindrical shape is trapezoidal in this example and tapers towards the center of the milling body disk 2.1.
- the height of the trapezoidal Base area of the wedge element 5.1, ...., 5.6 corresponds approximately to half the depth the recesses 3.1,... arranged in the lateral surface of the milling body disk 2.1. 3.6.
- the space remaining in the recess 3.1, ...., 3.6 forms the chip space 6.1, ...., 6.6, in which foreign bodies, especially for chips and the like, are accommodated can be.
- the milling body disk 2.1 can be provided with an inner ring trailer 16, which for example, an elevation of about 0.5 mm radially compared to one extending side surface 7.1 and / or the other radially extending side surface 8.1 the milling body disk 2.1 and has a width of about 7 mm, from the inner Radius of the hollow cylindrical milling body disk 2.1 measured.
- an inner ring trailer 16 damage to the individual milling body disks among one another becomes largely prevented, especially when mounting with an aid. For example if the milling body discs 2.1, 2.2 and 2.3 on the machine tool spindle or on a socket for mounting on such a spindle with, for example, a hammer be judged.
- FIG. 4 shows a system sketch of a milling body disk 17, on which in particular the Terms "radial” and “more or less tangential” are illustrated aligned.
- a "more or less radial alignment” means an alignment which lies in an area defined by two boundary lines 20.1 and 20.2 is, the angle ⁇ or ⁇ 'of 45 ° to the tangent belonging to a radius 18 19 have.
- the alignment is preferably in the range defined by the boundary lines 21.1 and 21.2 is defined, the angle ⁇ and ⁇ 'of 60 ° to the tangent 19 have.
- the cutting units can also be on an axial directed line can be arranged.
- the second of all the arranged cutting units is attached offset.
- transfer a torque and to additionally arranged Recesses in one of the radially extending side surfaces of the disks can be dispensed with become.
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Abstract
Description
- Fig. 1
- eine perspektivische Darstellung des erfindungsgemässen Werkzeugs am Beispiel eines Fräsersatzes;
- Fig. 2
- eine Frontalansicht einer einzelnen Fräskörperscheibe;
- Fig. 3
- eine Draufsicht auf eine einzelne Fräskörperscheibe; und
- Fig. 4
- eine Systemskizze einer Fräskörperscheibe.
Claims (10)
- Werkzeug für die maschinelle Bearbeitung eines Werkstücks, wobei das Werkzeug (1) mindestens eine zylindrische Scheibe (2.1, 2.2, 2.3) mit mindestens einer über eine Mantelfläche der Scheibe überstehenden Schneideinheit (4.1, ...., 4.6) ausgerüstet ist, welche in einer als Ausnehmung (3.1, ...., 3.6) in der Mantelfläche der Scheibe ausgebildeten Fassung durch eine Spannvorrichtung (5.1, ...., 5.6) gehalten ist, dadurch gekennzeichnet, dass die Spannvorrichtung (5.1, ...., 5.6) einen in der Fassung angeordneten, tendenziell radial wirkenden Betätigungsmechanismus (11.1, 11.2) hat.
- Werkzeug insbesondere nach Anspruch 1, dadurch gekennzeichnet, dass es zur Bearbeitung eines Werkstücks aus vorzugsweise festem organischem und/oder nicht-eisen Material, insbesondere Holz ausgebildet ist.
- Werkzeug nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass es zum Fräsen des Werkstücks, insbesondere zur Herstellung von Keilzinken ausgebildet ist.
- Werkzeug nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass ein Luftraum (6.1, ...., 6.6) in Form einer radialen Vertiefung gegenüber der Mantelfläche vor der Schneideinheit (4.1, ...., 4.6) ausgebildet ist.
- Werkzeug nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Spannvorrichtung ein in der Ausnehmung angeordnetes, tendenziell radial spannbares Keilelement (5.1, ...., 5.6) umfasst.
- Werkzeug nach Anspruch 5, dadurch gekennzeichnet, dass der Betätigungsmechanismus ein an einem Boden der Ausnehmung angreifendes Spannmittel, insbesondere eine Spannschraube (11.1, 11.2) umfasst.
- Werkzeug nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Ausnehmung (3.1, ...., 3.6) im Axialquerschnitt kanalförmig ist, insbesondere nicht-parallele Seitenwände aufweist, und in Bezug auf eine radiale Richtung geneigt ist.
- Werkzeug nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das Werkzeug (1) zumindest zwei zylindrische Scheiben (2.1, 2.2, 2.3) umfasst und dass diese zylindrischen Scheiben stiftfrei verdrehgesichert zusammenwirken.
- Werkzeug nach Anspruch 8, dadurch gekennzeichnet, dass zumindest eine der Schneideinheiten (4.1, ...., 4.6) in axialer Richtung vorsteht und mit zumindest einer Ausnehmung (9.1, 9.2 bzw. 9.3) der benachbarten Scheibe (2.1, 2.2 bzw. 2.3) um im Sinne einer Verdrehsicherung zusammenzuwirken.
- Werkzeug nach einem der Ansprüche 1 bis Anspruch 9, dadurch gekennzeichnet, dass die zylindrischen Scheiben (2.1, 2.2, 2.3) derart untereinander verbunden sind, dass die an den zylindrischen Scheiben (2.1, 2.2, 2.3) befestigten Schneideinheiten (4.1, ...., 4.6) auf das gesamte Werkzeug (1) gesehen schraubenförmig angeordnet sind.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00810901A EP1193037A1 (de) | 2000-09-29 | 2000-09-29 | Werkzeug für die maschinelle Bearbeitung eines Werkstücks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00810901A EP1193037A1 (de) | 2000-09-29 | 2000-09-29 | Werkzeug für die maschinelle Bearbeitung eines Werkstücks |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1193037A1 true EP1193037A1 (de) | 2002-04-03 |
Family
ID=8174948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00810901A Withdrawn EP1193037A1 (de) | 2000-09-29 | 2000-09-29 | Werkzeug für die maschinelle Bearbeitung eines Werkstücks |
Country Status (1)
Country | Link |
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EP (1) | EP1193037A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1442852A1 (de) * | 2003-01-15 | 2004-08-04 | Utensilea SAS | Walzenfräser mit Wendeschneidplatten, insbesondere zur Holzbearbeitung |
US20220143718A1 (en) * | 2008-01-31 | 2022-05-12 | Välinge Innovation AB | Mechanical locking of floor panels |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1924478A1 (de) * | 1968-05-14 | 1970-01-08 | Nissen Richard Bent | Fraeser mit Werkzeug fuer Ausfraesen von Keilzinken |
CH682470A5 (de) * | 1990-12-06 | 1993-09-30 | Karl Baliko | Fräswerkzeug. |
DE19727872A1 (de) * | 1997-06-30 | 1999-01-07 | Schrammel Helmut Dipl Ing Fh | Messerkopf |
-
2000
- 2000-09-29 EP EP00810901A patent/EP1193037A1/de not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1924478A1 (de) * | 1968-05-14 | 1970-01-08 | Nissen Richard Bent | Fraeser mit Werkzeug fuer Ausfraesen von Keilzinken |
CH682470A5 (de) * | 1990-12-06 | 1993-09-30 | Karl Baliko | Fräswerkzeug. |
DE19727872A1 (de) * | 1997-06-30 | 1999-01-07 | Schrammel Helmut Dipl Ing Fh | Messerkopf |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1442852A1 (de) * | 2003-01-15 | 2004-08-04 | Utensilea SAS | Walzenfräser mit Wendeschneidplatten, insbesondere zur Holzbearbeitung |
US20220143718A1 (en) * | 2008-01-31 | 2022-05-12 | Välinge Innovation AB | Mechanical locking of floor panels |
US12024898B2 (en) * | 2008-01-31 | 2024-07-02 | Välinge Innovation AB | Mechanical locking of floor panels |
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