EP1144138B1 - Procede pour meuler au moins une face d'une lame utilisee dans la technique d'enlevement de copeaux, mise en oeuvre de ce procede et meule pour la mise en oeuvre dudit procede - Google Patents

Procede pour meuler au moins une face d'une lame utilisee dans la technique d'enlevement de copeaux, mise en oeuvre de ce procede et meule pour la mise en oeuvre dudit procede Download PDF

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Publication number
EP1144138B1
EP1144138B1 EP99932711A EP99932711A EP1144138B1 EP 1144138 B1 EP1144138 B1 EP 1144138B1 EP 99932711 A EP99932711 A EP 99932711A EP 99932711 A EP99932711 A EP 99932711A EP 1144138 B1 EP1144138 B1 EP 1144138B1
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EP
European Patent Office
Prior art keywords
grinding wheel
grinding
cutting blade
cutting knife
area
Prior art date
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EP99932711A
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German (de)
English (en)
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EP1144138A3 (fr
EP1144138A2 (fr
Inventor
Horia Giurgiuman
Manfred Knaden
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Klingelnberg AG
Original Assignee
Oerlikon Geartec AG
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Publication of EP1144138A2 publication Critical patent/EP1144138A2/fr
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Publication of EP1144138A3 publication Critical patent/EP1144138A3/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/34—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of turning or planing tools or tool bits, e.g. gear cutters
    • B24B3/346—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of turning or planing tools or tool bits, e.g. gear cutters of gear shaper cutter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor

Definitions

  • the invention relates to a method for grinding at least a surface on one used in cutting technology Cutting knife with a grinding wheel rotating about an axis, whose working area is an annular surface, an advantageous one Use of the process and a grinding wheel for Execution of the procedure.
  • This well-known profile grinding wheel has a grinding profile for finishing grinding a narrow, essentially the outer part of the disk surface has a flat surface which becomes a surface of a Workpiece during the finishing grinding essentially is held tangential.
  • This profile grinding wheel is made from an expensive, extremely durable abrasive material such as CBN crystals, but other materials such as Aluminum oxide can be used as the profile grinding wheel does not need to be dressed.
  • the narrow flat Surface used for finishing grinding has the working area of the known profile grinding wheel inner conical surface, an inner arcuate surface and an outer arcuate surface. For rough grinding become the inner conical surface, the inner arcuate Surface and / or the outer arcuate surface used. The roughed knife surface is then with the narrow flat surface.
  • This known method requires a complicated sequence of movements, because each one has to be sharpened on a cutting knife Surface at least with the inner conical surface roughed and then with the narrow flat surface is arbitrated.
  • Profile grinding wheel consists in its roughing and Finishing area made of abrasive materials with different Grain size.
  • the to be carried out by the known profile grinding wheel Roughing and finishing work is therefore carried out in two different ways Grinding wheel areas distributed, one of which only for rough grinding and the other only for finish grinding is used.
  • With the cutting knives, which by the known method are ground, it is the usual high-speed steel knives.
  • the disadvantage of the known Process further that finishing grinding from concave curved surfaces is not possible because the finishing always done with the narrow flat surface.
  • the object of the invention is a method of the aforementioned Way of specifying a simpler workflow and the use of a grinding wheel with a simpler configuration enables and in particular also the grinding of curved Areas allowed.
  • an advantageous use of the process and a grinding wheel to carry out the Procedure are specified.
  • the work area is an annular surface that is arcuate in axial section Profile.
  • the method according to the invention first grinds a surface on the cutting knife with the ring surface under a first spatial orientation between grinding wheel and cutting knife by at least one first translational relative movement between grinding wheel and cutting knife, and then at least part the area created with the ring area under a second spatial orientation between grinding wheel and cutting knife by at least one second translational relative movement ground between grinding wheel and cutting knife.
  • this can be done with an area of the ring surface grind a surface and then this surface with a smooth the other area of the ring surface.
  • the same area of the cutting knife can be sand and then sand, e.g. schruppund finishing grinding, regardless of whether the finished Surface is flat, convex or concave.
  • the one in the process used according to the invention grinding wheel needs in their Working area to have only a radius and therefore points a much simpler configuration than that of the known method used grinding wheel.
  • the procedure is also in the inventive method much easier than in the known method, because only two different spatial orientations selected can be, for example, for the cutting knife in a different angle is selected with respect to the grinding wheel.
  • the method according to the invention is therefore essential in use more flexible than the known method.
  • the spiral Grooves by the known method in a complex manner can also be avoided by the method according to the invention avoided without the need for a grinding wheel with a narrow, flat surface for finishing grinding use.
  • the stake such a diamond cup grinding wheel with a work area, partly in a forehead area and partly in one Cylinder area of the cup grinding wheel has the advantage that on a cutting knife used in cutting technology optionally flat or curved surfaces (with the forehead area) or concave surfaces (with the cylinder area or the Forehead area) can be ground, depending on the spatial Orientation between grinding wheel and cutting knife.
  • a Diamond grinding wheels improve wear behavior and the wheel geometry is more stable than with the known CBN profile grinding wheel.
  • the working area in the grinding wheel according to the invention is an annular surface, which is an arcuate in axial section Profile that extends over a total contact angle, can be selected within this work area by choosing different profile tilt angles for the roughing and finishing work areas the grinding wheel against each other or even separate. Because of the total contact angle of about 145 ° can be used in the part of the work area Select the front area and / or cylinder area of the grinding wheel. Because of that provided in the grinding wheel according to the invention circular arc shaped profile that has a radius of curvature has that in a range from 0.5 to 5 mm and preferably from 0.5 to 1 mm, and most preferably 0.5 mm or less is, there are flexible options for editing the Cutting blade.
  • a knife flank generated with the grinding wheel according to the invention can consist of one or more geometric surfaces.
  • the surface and flank shape is determined by the relative Positioning of grinding wheel and cutting knife generated. In the cylinder area of the grinding wheel creates this sense a concave surface, whereas the forehead area is a curved one or can create a flat surface. Therefore, the knife edge from two or more than two different surfaces consist (e.g. of a concave surface with a larger one Clearance angle and from a flat facet with a smaller one Clearance angle).
  • the first spatial orientation between the grinding wheel and cutting knife by setting a first position of the cutting knife in relation to the grinding wheel and the second spatial orientation between the grinding wheel and cutting knife by setting a second position of the cutting knife in relation to the grinding wheel a conventional grinding machine can be used, where the grinding wheel rotates around its own axis and in the Y axis can be moved vertically.
  • the first position of the cutting knife is chosen that the grinding wheel is the surface on the cutting knife with one in a cylinder area of the grinding wheel located first surface element of the ring surface
  • the second position of the cutting knife is chosen so that the Grinding wheel the at least part of the generated area on the cutting knife with one in a forehead area of the Grinding surface located second surface element of the ring surface can then be created with the cylinder area concave surface optionally ground with the forehead area the surface created remains concave or becomes flat or at least partially flat.
  • second position of the cutting knife is chosen so that the Grinding wheel the at least part of the generated area produced on the cutting knife as a concave or flat facet, only needs the spatial orientation between the grinding wheel and cutting knife to be chosen accordingly.
  • the generation grinding process can be carried out in a simple manner Control wise.
  • the generation of the surface on the cutting knife only with three mutually perpendicular linear axes and other axes are used as mere adjustment axes and before actually generating the surface on the Cutting knives can be positioned, controlled by three Linear movements any desired surface on the cutting knife on a conventional grinding machine like one Grinding machine of type B22 from the applicant (cf. company brochure "CNC tool grinding cell Oerlikon B22", OGT-B22 / D / hJ) or type B5 of the applicant (see the two company prospectuses each with the designation "profil B 5", K 1.11 - d / e - cH or OGT profile B5 / E / dH).
  • the area on the cutting knife in one and / or or in the other step in two passes two first and second translatory relative movements between Grinding wheel and cutting knife is generated can Rough and finish grinding the surface in two steps.
  • CDS is the abbreviation for Controlled Disk System
  • CDS is the abbreviation for Controlled Disk System
  • the area on the cutting knife in one Step is generated with at least one roughing cut and the at least part of the area created in the other You can grind the step with a finishing cut Create each surface separately and the surface macro - separately influence the micro-geometry of the surface.
  • a grinding wheel is used, which in their entire ring surface used for grinding the same Specifications, the selection is advantageously made of roughing and finishing cuts simply by selecting of feed parameters such as feed direction and - speed.
  • the grinding wheel according to the invention has a fixed geometry and not is dressable, their manufacture is particularly simple. It is much easier, only with a certain radius grind if the radius is kept constant, which at Diamond grinding wheels is the case that has a long service life to have. One can assume that the procedure with constant radius is what the control of the process simplified and facilitated. The question of whether a dressable or a non-dressable grinding wheel depends on the grinding ability of the grinding wheel from.
  • a non-dressable grinding wheel preferably consists of a metallic carrier body on which an abrasive coating is made Diamond grains and a galvanic bond from which the Protruding diamond grains is applied, the galvanic Binding consists of nickel.
  • one can dressable grinding wheel can be used. That is because the construction of the B22 machine without further ado possible because the machine has a suitable dressing device has and suitable dressing software is provided, in order to be able to dress the grinding wheel from time to time to profile their radius again.
  • Fig. 1 shows an overall designated by the reference number B22 Knife grinding machine of the applicant's type B20, which actually for grinding bar knives with profile disks using the form grinding method an extension is planned has for grinding cutting knives, in particular Carbide knives, in the production process.
  • the extension exists especially from an expansion of the software for the Control of the knife grinding machine 20, in particular in the area the adjustment control (PMC), the machining cycles and macros of the CNC, the user interface and data management with an integrated PC.
  • the CNC has the function of the "master” and serves for axis control, for executing the part programs (Process flow control), part program management and for CNC screen displays.
  • the adaptation control also called PLC takes over the interface function between the CNC and the knife grinding machine, the control of machine processes, monitoring functions, Machine control panels, digital input / output and interface to the robot / magazine. Because of the available resources (RAM in the PC) is used for each of the two Grinding process (form and production grinding) a program created for the user interface. The switch between the User interface for form or production grinding can during the startup phase of the PC software.
  • the knife shape is only generated with the linear axes X, Y, Z.
  • An A and a C axis are pure adjustment axes and are created before the actual generation grinding Knife surfaces positioned.
  • the path calculation and the Cuts are divided in the PC, so only on the CNC level macros and cycles for workpiece change and conditioning the grinding wheel must be present.
  • the Main interpolation plane for grinding the cutting knives is formed by the axes Y and Z.
  • the workpiece range includes cutting knives 22, of which in the 5a-5c three different types are shown.
  • the constructive geometry and the arrangement in a cutter head 24 is different for the three types of knives, and therefore the three knife types come in three different Clamping devices 26 ground, Fig. 5a shows one on the left Clearance angle of 8 ° and a knife inclination angle in the Cutter head of 20 °.
  • the cutting knife 22 in Fig. 5a right in the jig 26 an angle of inclination of 28 ° so that the head of the knife can be sharpened without Clearance is arranged.
  • FIGS. 5b and 5c The in Figs.
  • FIG. 1 Knife grinding machine 20 An important prerequisite for what is described here Process developed especially for carbide grinding the properties of the A axis are those in FIG. 1 Knife grinding machine 20 shown. In the conventional Shape grinding is only used for the A axis Device positioning and is then clamped. The Head radius is determined by at least two translational movements (Y, Z). These translational movements are below described in more detail with reference to FIGS. 7-15.
  • the generation grinding process described here is carried out with a Grinding wheel 28 executed, which is preferably a Diamond cup grinding wheel deals.
  • the grinding wheel 28 is schematically in axial section in Fig. 2 and in enlarged Partial representation in the working position shown in Fig. 3.
  • the Grinding wheel 28 consists in that shown in FIG. 3 and Embodiment described here consisting of a carrier body 30 made of steel, on which a grinding surface 32 made of grain and galvanic Binding is applied.
  • the galvanic bond exists made of nickel, which is electrolytically applied to the Support body 30 has been parted from steel.
  • the diamond grains protrude after completion of the existing galvanic treatment.
  • a dressable grinding wheel could be bound with synthetic resin.
  • the Grinding wheel 28 has a grinding or rounding radius R.
  • a Part 34 'of the work area 34 is located in an end area and a part 34 "of the working area 34 lies in a cylinder area the grinding wheel 28.
  • the grinding wheel 28 has a fixed geometry and is not dressable. If the downtime is at the end, the work area 34, i.e. the active Surface of the grinding wheel must be covered again.
  • the grinding wheel 28 has the Grinding or rounding radius R on the grinding edge, one Disc radius SR up to a tangent to the grinding edge, a disk height SH from a spindle bearing surface 36 to a tangent to the grinding edge, an inside angle IW one Inner surface (cone) 40 to the axis 38 of the grinding wheel 28 and an outer angle AW of an outer surface (cone) 42 to the axis 38.
  • the working area 34 of the grinding wheel 28 is an annular surface, that of a point 44 as shown in FIG. 4 in the forehead area up to a point 46 in the cylinder area of the Grinding wheel 28 is sufficient and in that shown in Fig.
  • Axial section has an arcuate profile that extends over a Total contact angle GKW extends that in FIGS. 13 to 15 is shown and described in more detail with reference to these figures becomes.
  • the total contact angle GKW is about 145 °.
  • the arcuate profile is circular, and the radius of curvature is in a range of 0.5 to 5 mm and preferred from 0.5 to 1 mm.
  • the grinding wheel has in the entire working area 34 and the same abrasive coating, i.e. the different parts of the work area do not have to be coated differently to be used for roughing or finishing.
  • the coating limits of the working area 34 are in 4 with 48 or 50, the respective one Overhang over which the coating limit over the actual Working range extends, with 52 or 54.
  • the Angle within which the grinding wheel 28 with the head of the cutting knife 22 can come into contact during grinding, is called the head contact angle KKW.
  • the head contact angle corresponds to the use of the grinding wheel 28 during roughing the part 34 "of the work area, and that for the Finishing part 34 'of the work area, as shown in FIG. 4 is drawn.
  • the use of these different parts of the work area for roughing or finishing is as follows explained in more detail.
  • a cutting knife to be ground has three active surfaces on, namely two open spaces 56 (only one of which is shown in FIG is visible) and a rake face 58. These three faces can defined separately on the knife grinding machine 20 and then be ground separately. Every open space can be made two different surfaces (with two different Clearance angles and with two geometries).
  • the technological Process can have multiple roughing cuts and one finishing cut include. Every technological phase (roughing or Finishing) or sparking can be defined separately.
  • PK are the different Parts 34 ', 34 "of the working area 34 of the grinding wheel 28 brought into contact with the cutting knife 22. In this way the roughing and finishing parts of the work area 34 of the grinding wheel 28 against each other or even separate from each other.
  • Fig. 14 serves to explain how the profile tilt angle PK the Total contact angle GKW shifts.
  • the grinding wheel 28 processes the flank of the cutting knife 22, where the generatrix is an arc in one plane is. A flat or cylindrical surface is created on the flank Facet whose width can be calculated. Only on the head of the cutting knife 22 no theoretically exact cylinder is generated, it but will give a correct cutting edge.
  • the "Finishing clearance angle" is set smaller than for roughing, and the two different surfaces are created. For the machining process, the value of the "Finishing angle" agree.
  • the profile tilt angle PK being less than 90 ° - alpha is always an overlap area between roughing and finishing.
  • FIG. 6 shows the cut distribution for a knife processing, where the removal only by infeed in the Y axis the machine. With this procedure, the removal is on the knife shoulder and at the knife tip much larger than on the side surfaces. Should it be due to the grinding technology be necessary for the removal to be approximately constant a suitable cut distribution must be calculated. Additional intermediate positions must then be in the correct position Sequence in a CNC part program with the correct time Sequence of grinding operations can be implemented. The additional Grinding operations are hatched in Fig. 6b marked.
  • FIGS. 7 and 8 Clamping device 26, not shown (see FIG. 5a), is clamped has reached positions marked with 0-14 are.
  • 7 is the first pass on the left and the one on the right shown second pass.
  • the grinding wheel 28 retains their position at, and the positions shown are approached with the cutting knife 22 itself, although the representation in FIGS. 7 and 8 is chosen as if move the grinding wheel 28.
  • this can, like the Representation in Fig. 1 shows only one movement in the Execute Y axis.
  • the movements in the X, Z and if necessary in the Y axis, the clamping device 26 carries out in which the cutting knife 22 is clamped.
  • the dashed arrows mean a Rapid traverse, the solid arrows indicate feed.
  • the polygon point that is still approaching in rapid traverse is designated by 1 becomes.
  • 2-6 are the path points of the first pass, which are started with feed.
  • Points 7 and 8 are Intermediate points that are approached in rapid traverse.
  • Points 9-14 are path points of the second round that are approached with feed become. From point 14, the withdrawal to Standard position in rapid traverse.
  • 0 is again the starting position, which from a Standard position can be approached without collision.
  • 1 is the first railway point that is still approached in rapid traverse.
  • 2-6 are the path points that are approached with feed. From the Point 6 is the return to the standard position in rapid traverse.
  • 9-12 show, like that in FIGS. 7 and 8, schematically illustrated operations on the knife grinding machine 20 actually run.
  • the cutting knife 22 is set so that the Grinding wheel 28 with the part located in the cylinder area 34 "of their working area an area (A) of the cutting knife 22 grinds, namely roughing, starting from one Shoulder 21 to a head 23 of the cutting knife 22.
  • Fig. 10 shows the different possible grinding positions for different technological phases for grinding the Cutting knife 22 with the grinding wheel 28.
  • the previously is then Rough grinding machined surface of the cutting knife 22 in brought a vertical position in which to the forehead area the grinding wheel 28 is tangential. In this position this surface of the cutting knife 22 is finished.
  • FIGS. 13-15 Circle indicated, which corresponds to the circle shown in Fig. 4 at the cutting edge.
  • the grinding wheel which is otherwise not shown, has the same orientation as in FIG. 4, ie its end face extends vertically and the axis of rotation is horizontal.
  • FIG. 13-15 are the roughing and finishing technologies shown schematically.
  • the cutting knife 22 is tilted by the profile tilt angle car, so that the profile with the cylinder area of the grinding wheel 28th is brought into contact.
  • an open space generated which is concave on the flank and on the head 23 of the Cutting knife 22 is cylindrical.
  • the "Roughing free area” with a larger clearance angle than that "Plain clear surface” ground. 13 and 14 is clearly recognizable that the total contact angle GKW of the Profile tilt angle is dependent on the car, as already explained above.
  • the grinding wheel 28 processed the flank of the cutting knife with its end face at which the generator is an arc in a plane, as it is already explained.
  • the first and the second are preferably spatial Orientation between the grinding wheel 28 and the cutting knife 22 by setting first and second positions of the cutting knife 22 in relation to the grinding wheel 28.
  • the grinding wheel 28 of the at least part of generated area on the cutting knife 22 as a concave or just created facet. Expediently takes place during the generation the area on the cutting knife 22 is removed only by infeed in the Y axis of the machine.
  • essential to the invention is that between the cutting knife 22 and the grinding wheel 28 only translatory relative movements performed become. Neither the grinding wheel 28 nor the cutting knife 22 needs to be turned during knife processing, apart from the rotation of the grinding wheel, of course by 28 around its own axis 38.
  • the area on which Cutting knife 22 can in step a) and / or in the Step b) in two passes through two first and second translational relative movements between the grinding wheel 28 and the cutting knife 22 are generated.
  • the method is preferred executed on a CNC machine and that to determine of interrelations between geometric and technological Parameters for the generation loop of a CDS computing system is used.
  • An example is further described above that the area on the cutting knife 22 in the Step a) in two passes, i.e. with two roughing cuts is produced. But it is clear that at least one roughing cut is sufficient.
  • the at least part of the generated Surfaces are then in step b) with a finishing cut reground.
  • the translational relative movement between the grinding wheel 28 and the cutting knife 22 is produced in that the Cutting knife 22 an impact movement relative to the grinding wheel 28 (such as shown in Figs. 13 and 14) or one Pulling motion (such as shown in Fig. 15) is given.
  • the special advantage of the grinding wheel 28, which in this case described method is that the Grinding wheel in its entire used for grinding Ring surface has the same specifications, i.e. that the Grinding wheel in the entire work area, for example has one and the same abrasive coating, and that the selection of roughing and finishing cuts simply by selecting of feed parameters such as feed direction and speed, Cutting speed and oversize takes place.
  • the method described here is preferably used to using a diamond cup grinding wheel carbide knife to grind.
  • the grinding wheel 28 can be dressable or non-dressable his.
  • FIG. 16a schematically shows the conditioning with the contour roller 66 and with linear interpolation when approaching the grinding wheel contour.
  • 16b shows conditioning with the contour roll 68 by interpolation around the grinding wheel contour. In both cases, the conditioning process can be different Relative speeds of the contact points of the cup wheel to the dressing tool in order to achieve the desired Surface quality or abrasion ability of the grinding wheel 28 to reach.
  • the actual dressing process is carried out in the CNC stored cycle, which is based on the data of the tool database accesses.
  • the conditioning process according to Fig. 16b can are executed if the condition for the radii and the Steepness of the cone is satisfied. Then find one theoretically punctiform contact between the grinding wheel 28 and the Dressing roller 68 instead.
  • the dressing cycle must be designed so that a dressing roller with a cylindrical part and one radius each can be applied to the edge.
  • the optimization involved in the generation grinding process described here can be made, for example, in it exist that the force on the grinding surface remains constant. To achieve this optimization, it is e.g. possible that To design surfaces on the cutting knife 22 so that the cutting performance the grinding wheel 28 always remains the same. The Grinding wheel manufacturers usually recommend a specific one Cutting performance that should be maintained. For the The user then has the option of grinding the knife surfaces to adapt to it.
  • a controlled division of cuts, as described above with reference to FIGS. 6a and 6b enables a better optimization of the grinding process, namely constant performance or forces, manufacturing a desired facet width etc.
  • ground Surface in the final state can be either flat or concave and that each open space itself is a combination of two open spaces can exist.
  • the method described here is therefore extremely flexible.
  • Working area is an annular surface that is in axial section has an arcuate profile, is on a cutting knife first a surface by grinding with the ring surface below a first spatial orientation between the grinding wheel and cutting knife by at least a first translational Relative movement between them is generated and then at least a part of the generated area with the annular surface under a second spatial orientation between Grinding wheel and cutting knife by at least one second translational relative movement between them reground.
  • the grinding wheel is a diamond cup grinding wheel.
  • the work area is in part with a forehead area and with another part in one Cylinder area of the grinding wheel. One part is used for Rough grinding, and the other part is used for Finishing grinding of those to be produced on the cutting knife Area.
  • the grinding wheel points in the entire work area one and the same abrasive coating.
  • the roughing and Finishing is done using areas of Grinding wheel that have the same specifications, but with different grinding parameters.
  • the choice of spatial Orientation between grinding wheel and cutting knife preferably by adjusting the cutting knife in relation to the grinding wheel.
  • the method allows the generation of Surfaces on a cutting knife that are flat and / or concave allows a simpler workflow and the Use of a grinding wheel with a simpler configuration than in the state of the art.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Claims (19)

  1. Procédé pour le meulage d'au moins une surface sur un couteau (22) destiné à la mise en oeuvre dans le cadre de technique de coupe des métaux, au moyen d'une meule (28) tournant autour d'un axe (38) et présentant une zone d'usinage (34) qui est une surface en anneau présentant, en coupe axiale, un profil coudé, selon lequel on procède :
    a) à la génération d'une surface sur le couteau (22), au moyen d'un meulage à l'aide de la surface en anneau, par au moins un premier mouvement relatif de translation entre la meule (28) et le couteau (22) selon une première orientation spatiale entre la meule (28) et le couteau (22), et
    b) à un remeulage d'au moins une partie de la surface ainsi générée, à l'aide de la surface en anneau, par au moins un second mouvement relatif de translation entre la meule (28) et le couteau (22) selon une seconde orientation spatiale entre la meule (28) et le couteau (22).
  2. Procédé selon la revendication 1, caractérisé en ce que l'on réalise, durant l'étape a), la première orientation spatiale entre la meule (28) et le couteau (22) au moyen de la mise au point d'une première position du couteau (22) par rapport à la meule (28), et, en ce que l'on réalise, durant l'étape b), la seconde orientation spatiale entre la meule (28) et le couteau (22) au moyen de la mise au point d'une seconde position du couteau (22) par rapport à la meule (28).
  3. Procédé selon la revendication 2, caractérisé
    en ce l'on choisit la première position du couteau (22) de sorte que la meule (28) génère la surface sur le couteau (22) au moyen d'un premier élément de surface de la surface en anneau, élément qui est situé sur la zone cylindrique de la meule (28), et, en ce l'on choisit la seconde position du couteau (22) de sorte que l'on réalise, à l'aide de la meule (28), un remeulage de la surface, qui est en nombre d'au moins une, sur le couteau (22), au moyen d'un deuxième élément de surface de la surface en anneau, élément qui est situé sur la zone frontale de la meule (28).
  4. Procédé selon la revendication 3, caractérisé en ce que
    l'on choisit la seconde position du couteau (22) de sorte que la meule (28) génère la surface obtenue, qui est en nombre d'au moins une, sur le couteau (22), sous forme de facette concave ou plane.
  5. Procédé selon une quelconque des revendications 1 à 4, caractérisé en ce que l'on réalise l'enlèvement lors de la génération de la surface sur le couteau (22), uniquement par une approche selon une ordonnée de la machine.
  6. Procédé selon une quelconque des revendications 1 à 5, caractérisé en ce que l'on réalise la génération de la surface sur le couteau (22) uniquement en employant trois axes linéaires (X, Y, Z) qui sont perpendiculaires l'un par rapport à l'autre, et en ce que l'on emploie d'autres axes (C, A) uniquement en tant qu'axe de réglage que l'on positionne sur le couteau (22) avant le véritable meulage générateur de la surface.
  7. Procédé selon une quelconque des revendications 1 à 6, caractérisé en ce que l'on génère la surface sur le couteau (22) durant l'étape a) et/ou durant l'étape b) en deux passages par deux premiers et deux seconds mouvements relatifs de transition entre la meule (28) et le couteau (22).
  8. Procédé selon une quelconque des revendications 1 à 7, caractérisé en ce que l'on réalise le procédé à l'aide d'une meuleuse pour couteaux à commande numérique par ordinateur (22).
  9. Procédé selon la revendication 8, caractérisé en ce que
    l'on met en oeuvre, pour procéder au meulage générateur, un système de traitement de l'information CDS pour déterminer les interactions entre les paramètres géométriques et technologiques.
  10. Procédé selon une quelconque des revendications 1 à 9, caractérisé en ce que l'on génère la surface sur le couteau (22) durant l'étape a) au moyen d'au moins une coupe de dégrossissage, et, en ce que l'on procède, durant l'étape b), à un remeulage d'au moins une partie de la surface générée, au moyen d'une coupe de finition.
  11. Procédé selon une quelconque des revendications 1 à 10,
    caractérisé en ce que l'on réalise le mouvement relatif de translation entre la meule (28) et le couteau (22) en donnant au couteau (22) dans un mouvement vers l'avant ou vers l'arrière par rapport à la meule (28).
  12. Procédé selon la revendication 10, caractérisé en ce que l'on met le couteau (22) dans un mouvement vers l'avant par rapport à la meule (28) lors de son remeulage afin d'obtenir une coupe de finition.
  13. Procédé selon la revendication 10, caractérisé en ce que l'on met en oeuvre une meule (28) qui présente les mêmes spécifications sur toute la surface en anneau employée pour le meulage, et, en ce que l'on procède au choix de la coupe de dégrossissage et de la coupe de finition uniquement en choisissant les paramètres de l'avance tels que la direction de l'avance et la vitesse d'avance, l'épaisseur meulé et la vitesse de meulage.
  14. Procédé selon la revendication 10 ou 13, caractérisé en ce que
    l'on peut échanger l'un contre l'autre, dans les étapes a) et b), le dégrossissage et le finissage et donc les éléments de surface de la surface en anneau.
  15. Mise en oeuvre du procédé selon une quelconque des revendications 1 à 14, en employant une meule-boisseau diamantée (28) pour le meulage de couteaux en métal dur (22).
  16. Meule pour la réalisation du procédé selon une quelconque des revendications 1 à 15, la meule (28) étant construite sous forme d'une meule-boisseau diamantée présentant une zone d'usinage (34) qui se situe partiellement (34') dans une zone frontale et partiellement (34") dans une zone cylindrique de la meule-boisseau, la zone d'usinage (34) étant une surface en anneau présentant, en coupe axiale, un profil en arc de cercle qui s'étend sur un angle de contact total (GKW), et la meule présentant la même garniture de meulage (32) sur toute la zone d'usinage (34), caractérisée en ce que l'angle de contact total (GWK) est d'environ 145° et en ce que le profil en arc de cercle présente un rayon d'arrondi (R) compris entre 0,5 mm et 5 mm, de préférence entre 0,5 mm et 1 mm.
  17. Meule selon la revendication 16, caractérisée en ce que la meule (28) présente une géométrie fixe et n'est pas dressable.
  18. Meule suivant la revendication 17, caractérisée en ce que la meule (28) est constituée d'un corps de support métallique (30) sur lequel on a appliqué une garniture de meulage (32) composée de grains de diamant et d'une composition galvanique qui est constituée de nickel et de laquelle saillissent les grains de diamant.
  19. Meule selon la revendication 16, caractérisée en ce que la meule (28) est dressable.
EP99932711A 1998-06-23 1999-06-22 Procede pour meuler au moins une face d'une lame utilisee dans la technique d'enlevement de copeaux, mise en oeuvre de ce procede et meule pour la mise en oeuvre dudit procede Expired - Lifetime EP1144138B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19827897A DE19827897A1 (de) 1998-06-23 1998-06-23 Verfahren zum Schleifen von wenigstens einer Fläche an einem in der Zerspantechnik eingesetzten Schneidmesser, Verwendung des Verfahrens und Schleifscheibe zur Durchführung des Verfahrens
DE19827897 1998-06-23
PCT/EP1999/004327 WO1999067036A2 (fr) 1998-06-23 1999-06-22 Procede pour meuler au moins une face d'une lame utilisee dans la technique d'enlevement de copeaux, mise en oeuvre de ce procede et meule pour la mise en oeuvre dudit procede

Publications (3)

Publication Number Publication Date
EP1144138A2 EP1144138A2 (fr) 2001-10-17
EP1144138B1 true EP1144138B1 (fr) 2002-11-06
EP1144138A3 EP1144138A3 (fr) 2002-12-18

Family

ID=7871725

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Application Number Title Priority Date Filing Date
EP99932711A Expired - Lifetime EP1144138B1 (fr) 1998-06-23 1999-06-22 Procede pour meuler au moins une face d'une lame utilisee dans la technique d'enlevement de copeaux, mise en oeuvre de ce procede et meule pour la mise en oeuvre dudit procede

Country Status (6)

Country Link
US (1) US6712675B1 (fr)
EP (1) EP1144138B1 (fr)
JP (1) JP4450993B2 (fr)
AU (1) AU4900299A (fr)
DE (2) DE19827897A1 (fr)
WO (1) WO1999067036A2 (fr)

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US6808440B2 (en) 2002-02-07 2004-10-26 The Gleason Works Method of grinding cutting blades
DE10214792B4 (de) * 2002-04-04 2004-05-06 Saint-Gobain Winter Diamantwerkzeuge Gmbh & Co. Kg Verfahren zum Schleifen von Profilen an Werkstücken
JP4550773B2 (ja) 2006-06-05 2010-09-22 株式会社三井ハイテック プロファイル研削盤
EP2161092B1 (fr) * 2008-09-04 2012-04-18 GLEASON-PFAUTER, Maschinenfabrik GmbH Machine à meuler des roues dentées et procédé de dressage d'un outil de meulage
US20100203811A1 (en) * 2009-02-09 2010-08-12 Araca Incorporated Method and apparatus for accelerated wear testing of aggressive diamonds on diamond conditioning discs in cmp
KR100927682B1 (ko) 2009-03-20 2009-11-20 (주)티씨에스 공작물 연삭장치
DE102011103216A1 (de) * 2011-06-01 2012-12-06 Liebherr-Verzahntechnik Gmbh Verfahren zum Abrichten eines Werkzeugs
WO2014146620A1 (fr) * 2013-03-19 2014-09-25 西安交通大学 Dispositif et procédé de polissage d'un élément optique
DK178511B1 (en) * 2014-10-10 2016-04-25 Eikon Technologies Holding S À R L Apparatus and method for sharpening the scraping edges of a scraper roller
CN104697462B (zh) * 2015-03-24 2017-07-28 武汉克诺德智能科技有限公司 一种基于中轴线的航空叶片型面特征参数提取方法
US10661406B2 (en) * 2018-01-11 2020-05-26 Razor Edge Systems, Inc. Robotic hand tool sharpening and cleaning apparatus
DE102019124394A1 (de) * 2019-09-11 2021-03-11 KAPP NILES GmbH & Co. KG Verfahren zur Herstellung eines Rotors eines Schraubenverdichters oder eines Werkstücks mit schneckenförmigem Profil
CN114346764B (zh) * 2020-09-29 2024-04-30 托梅克公司 用于制造研磨机的方法

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WO1988006953A1 (fr) * 1987-03-13 1988-09-22 The Gleason Works Outil rotatif de dressage, procede et appareil de dressage de meules convexes
US5033237A (en) * 1990-02-08 1991-07-23 Kobelco Compressors (America), Inc. Method of numerically controlled profile grinding
US5241794A (en) * 1990-05-30 1993-09-07 The Gleason Works Grinding wheel for cutting blades
US5168661A (en) 1990-05-30 1992-12-08 The Gleason Works Method of grinding the surfaces of cutting blades and grinding wheel therefor
US5259148A (en) 1991-11-12 1993-11-09 Wiand Ronald C Ring generator wheel with improved coolant flow
DE4210710C2 (de) 1992-03-27 2003-03-20 Niles Werkzeugmaschinen Gmbh Verfahren und Einrichtung zum Schleifen rillenförmiger Außenprofile eines Werkstückes
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DE10324432B4 (de) * 2003-05-28 2005-06-02 Klingelnberg Ag Profilgeschärftes Stabmesser zur Herstellung von Kegel- und Hypoidrädern und Verfahren zum Profilschärfen eines solchen Stabmessers

Also Published As

Publication number Publication date
US6712675B1 (en) 2004-03-30
DE59903360D1 (de) 2002-12-12
WO1999067036A2 (fr) 1999-12-29
EP1144138A3 (fr) 2002-12-18
JP2003516237A (ja) 2003-05-13
WO1999067036A3 (fr) 2002-10-31
EP1144138A2 (fr) 2001-10-17
JP4450993B2 (ja) 2010-04-14
AU4900299A (en) 2000-01-10
DE19827897A1 (de) 1999-12-30

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