EP2473296B1 - Dispositif d'usinage sans enlèvement de copeaux de pièces allongées - Google Patents

Dispositif d'usinage sans enlèvement de copeaux de pièces allongées Download PDF

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Publication number
EP2473296B1
EP2473296B1 EP10754657.4A EP10754657A EP2473296B1 EP 2473296 B1 EP2473296 B1 EP 2473296B1 EP 10754657 A EP10754657 A EP 10754657A EP 2473296 B1 EP2473296 B1 EP 2473296B1
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EP
European Patent Office
Prior art keywords
shaping
workpiece
rollers
forming
roller arrangement
Prior art date
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EP10754657.4A
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German (de)
English (en)
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EP2473296A1 (fr
Inventor
Heinz Gruber
Lutz SCHÜNEMANN
Thorsten BÄCK
Nino Gruber
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Dywidag Systems International GmbH Austria
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Dywidag Systems International GmbH Austria
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Publication date
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Priority to PL10754657T priority Critical patent/PL2473296T3/pl
Publication of EP2473296A1 publication Critical patent/EP2473296A1/fr
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Publication of EP2473296B1 publication Critical patent/EP2473296B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/04—Making by means of profiled-rolls or die rolls
    • B21H3/042—Thread-rolling heads
    • B21H3/044—Thread-rolling heads working axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B21C37/207—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with helical guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling

Definitions

  • the invention relates to a device for non-cutting machining of elongate workpieces for producing a thread-like outer profile by means of at least one, at least two, each about axes rotatable forming rollers having forming roller assembly, wherein the forming roller assembly surrounds the workpiece to be machined, wherein a feed movement between the forming rollers and the workpiece is arranged in the circumferential direction and axially to this, and wherein the forming rollers pass successively with this in a forming engagement during a complete rotation around the workpiece
  • the substantially continuous production of rock anchors, boring bars and other comparable products starting from rod-shaped or tubular basic bodies by non-cutting processing in a rolling process is for example in the document DE 43 13 918 A described.
  • the mold used in this device consists of a rolling head, in which three, profiled in the peripheral region of the forming rollers are mounted, whose axes are arranged at an angle to the axis of the outside thread-like reshaped base body, uniformly distributed around this extend.
  • the rolling head is driven about its axis extending coaxially to the axis of the base body, so that results from the angular position of the forming rollers of the axial feed of the non-rotatably held around its axis body.
  • a comparable apparatus in which a rolling head is used, which - seen in the direction of passage - several arrangements consisting of at least three forming rollers whose profiles differ and which at the are adapted in this direction progressive forming process.
  • Each of the forming rollers has a ring-like, stepless external profile, wherein an axial feed is given in accordance with the rotation of the rolling head about its coaxial with the workpiece axis extending central axis by an angular position relative to the axis of the non-rotatably held workpiece.
  • the rolling head consists of a, about a central axis rotatably mounted, connected to a drive arrangement of a plurality of axially spaced-apart bearing discs, between each of which is an array of forming rollers.
  • the forming rollers are freely rotatably mounted about their respective axes, which are employed at an angle to the longitudinal axis of the rod or tubular workpiece to be machined.
  • the workpiece extends coaxially with the central axis of the rolling head through central openings of the bearing discs and is clamped at its two ends non-rotatably.
  • the profiles of the successive ones Form roll arrangements differ slightly, bearing in mind the fact that the forming rolls are sequentially engaged with the work piece.
  • the forming rollers serve axle, the ends of which are fixedly arranged in the bearing discs.
  • the forming roller On the axle pin, the forming roller is supported via a central radial bearing and with intermediate arrangement of spacer rings via thrust bearings on the bearing discs.
  • the mutual spacers have different axial dimensions, so that with an unchanged axial installation dimension by simply swapping the input and output side spacers, the position of the forming roller is changeably applied to the axle, so that in a one-sided wear of the axle bolt the worn area in a less highly stressed zone passes, so that an improved material utilization of the axle is given.
  • each roller carries self-contained annular profiles and is inclined according to the pitch of the thread to be rolled relative to the central axis of the rolling head by the pitch angle.
  • the invention now aims to provide a device of the type described by simple means on the one hand in terms of a more rational operation of the same and on the other hand adapt the device to the most varied to be machined wall thickness and diameter of the workpieces and trainees or surface profiles customizable.
  • a device is essentially characterized in that at least two axially successive forming roll arrangements are provided in the direction of passage of the workpiece, that at least the forming rolls of a forming roll arrangement are arranged equal to each other, that for representing in the direction of circulation around the workpiece successive forming engagements with the workpiece, the axial position of each forming roll is set differently within an axial fitting dimension, and that in each forming roll arrangement at least three forming rolls are arranged and that the forming rolls of a forming roll arrangement to those of the adjacent forming roll arrangement in the radial direction about one of the number of forming rolls corresponding divider one Full circle are arranged staggered.
  • each forming roll arrangement by arranging at least three forming rolls in each forming roll arrangement, rapid and exact surface processing or shaping of the workpiece to be machined is achieved, and by further staggering the forming rolls of adjacent forming roll arrangements by a divider of a full circle corresponding to the number of forming rolls, one succeeds uniform machining of the surface of the workpiece to be machined, wherein in addition due to the permanent engagement of the forming rollers in the workpiece to be machined surface or structural changes of the workpiece to be machined by a heat treatment can be achieved.
  • the apparatus is characterized in that the forming roller assembly consists of a about its central, during machining coaxial with the workpiece extending axis rotatably driven rolling head, in which the forming rollers are mounted freely rotatable on axle.
  • the individual forming rollers are freely rotatably mounted about their respective axis, wherein the rolling head is rotationally driven as a unit about its axis, it is possible to better control the formation of the thread-like outer profile and thus form more precise while increasing the processing speed.
  • each forming roll can also be driven directly about its axis or the forming rolls of the forming roll arrangement can be mounted so that they can be driven in rotation.
  • the axes of the forming rollers are set at an angle relative to a longitudinal axis of the workpiece or the central axis of the forming roller assembly, on the one hand, the feed of the workpiece can be arbitrarily determined by the device and on the other hand results in Connection with, for example, a pitchless groove-like shape profile from this angle, the pitch of the thread-like, to be introduced into the outside of the workpiece deformation.
  • a pitchless groove-like shape profile from this angle, the pitch of the thread-like
  • a preferred embodiment of the invention is as a structural concretization of the axial adjustability of a mold profile of a forming roll, the device, characterized in that the axle bolts of the forming rollers are fixed in the rolling head non-rotatably about their respective axis.
  • the axle bolts of the forming rollers are fixed in the rolling head non-rotatably about their respective axis.
  • on both sides of the mold profile in each case at least one adjusting disk whose two axial lengths are completed with the length of the mold profile to said mounting dimension. Both adjusting discs will thus generally have a different axial dimension in accordance with the axial position of the mold profile to be adjusted.
  • the invention is characterized in that a fixed installation dimension of the forming rolls is represented by adjusting discs on both sides of a mold profile of the forming roll.
  • the axle bearing the forming roller is non-rotatably received in the rolling head, wherein the Representation of said mounting dimension documenting reference or contact surfaces are components that are present anyway, for example, those components that serve to define the axle bolt within the rolling head, wherein preferably the mold profile of each mold roll in a central region radially on the axle and at is mounted axially at both end-side end regions.
  • the device is designed so that the installation dimension is represented by the axial distance of the reference surfaces used for fixing the axle bolt in the rolling head components and that via the adjusting an axial support of the mold profile is set to said components ,
  • the representation of reproducible conditions so that as a contact surface for the Justierusionn always the opposite end faces of the mold profile can be used, whereby the wear of the device can be significantly reduced while precision the processing can be increased.
  • At least three in the direction of passage of a workpiece axially successive forming roller assemblies are provided, it is possible to apply the entire forming work in stages. According to the advancing in the direction of passage of the workpiece forming, it is possible according to the invention that either the radial dimensions of the molding rolls used in the forming roll arrangements, but not their profile shapes differ or that both the radial Dimensions of the mold rolls used in the forming roll arrangements and the surface or surface structuring differ.
  • the device is designed so that the forming rollers of a forming roll arrangement to that of the adjacent forming roller assemblies have moldings with mutually different profilings, succeeds with one and the same arrangement, for example, a workpiece to be machined in a first stage coarse to edit and finely edit in a second stage or rework.
  • Such a device is of course arbitrarily expandable, so that a plurality of processing steps can be performed.
  • the device is designed so that the molding rolls of a molding roll arrangement to those of the adjacent molding roll arrangement have a different diameter from each other.
  • a device it is possible, for example, in a first stage to reduce the wall thickness or the diameter of the workpiece in a workpiece to be machined, coarsely apply a thread-like profiling in a second stage and in a third stage to finish this. It is also possible with such a device, for example, to calibrate the workpiece to be machined in a first stage only, to form a pre-profiling of a thread in a second stage and to form or rework this thread correctly in a third stage.
  • Such a design makes it possible, in particular, to increase the throughput and adaptability of one and the same apparatus to the widest variety of workpiece cross-sections or diameters, without having to keep a large number of shaping rollers that are different from each other in stock.
  • the device is designed so that an inlet region is formed in the forming roller assembly for the workpiece as an adjustable cone, one and the same roller head for a variety of material cross sections can be used and also with a such a training faster and more reliable entry of the workpiece in the forming roller assembly ensures while processing the end of the workpiece, for example, by reducing the diameter or wall thickness of the same.
  • the device is designed so that the forming rollers of each forming roller assembly can be arranged on arbitrary, mutually different pitch circles, it is possible to reduce the number of stock rolls to be kept in stock, because partially worn molding rolls, for example can be arranged on a smaller circle and then continue to be used until their final wear.
  • a method for the non-cutting processing of elongate workpieces can be carried out with a device of the present invention, with which method simultaneous with the formation of a thread-like outer profile also a surface finish of the workpiece to be machined is achieved.
  • the axial position of each forming roller is set differently within an axial installation dimension.
  • the method is performed so that the forming roller assembly is driven by a about its central, during machining coaxial to the workpiece extending axis rotating rolling head to a rotary motion, wherein the forming rollers freely rotatable on axle stored in the mold roll assembly, the wear of the forming rollers is minimized in the forming roller assembly, which on the one hand, the storage of mold rolls is significantly reduced and on the other hand, a rapid adaptability of the method to a variety of materials, material conditions and processing times is easily and reliably possible.
  • the method according to of the invention By operating the method in such a way that the molding rolls of one molding roll arrangement to those of the adjacent molding roll arrangement mold profiles with mutually different profilings are used or that the forming rolls of a forming roll arrangement to those of the adjacent forming roll arrangement are used with a different diameter, it is possible to the method according to of the invention, to use for calibrating a workpiece or for machining workpieces of different diameters or different wall thickness without the mold rollers replaced or over-stressed and used prematurely. At the same time, with such a method, a microstructure change of the material structure in the machined end region of the workpiece be achieved, whereby the service life of the machined workpieces is further increased.
  • FIG. 1 With 1, 2, 3, 4 are in Fig. 1 four mutually identical circular, parallel and equiaxed extending bearing plates referred to, which are held by spacers 5 in accordance with uniform distances from each other in its mounting position shown.
  • the spacers 5 are uniformly distributed over the circumference of the bearing discs 5 and can be bolted to them.
  • the so-designed rolling head 6 is intended for storage in a machine frame not shown in the drawing and in this rotating about its axis 7 drivable. All bearing discs 1 to 4 are provided in a central region with mutually aligned, coaxial with the axis 7 extending circular recesses through which through in the operational use of the rolling head 6, the in the peripheral region for the purpose of producing a thread-like deformation to be processed graphically not shown elongated rod or tubular workpiece extends.
  • This coaxial with the axis 7 held workpiece is in a conventional manner during processing by means of the rolling head 6 about its axis non-rotatable, but movably mounted in the direction of its axis, for example by a hydraulic slide.
  • the rolling head 6 shown is characterized by three, in the direction of passage 6 of the workpiece successive Formwalzenan extract 9, 10, 11, each having three circumferentially uniformly distributed forming rollers 12, 13, 14, for reasons of drawing simplicity in Fig. 1 only one is shown.
  • the forming rollers 12, 13, 14, namely their annular cylinder-like mold profiles 12 '', 13 ', 14' ' are freely rotatably mounted about their respective axes 12', 13 ', 14', which axes at an angle to the axis 7 of the rolling head
  • the forming rolls 12, 13, 14 of each forming roll assembly 9, 10, 11 are different in positioning on their respective axes, this positioning being arranged in response to the direction of rotation of the rolling head 6 such that the circumferentially successive forming rolls 12, 13, 14 of a forming roll assembly 9, 10, 11 successively engage with the workpiece.
  • the forming rollers 12, 13, 14 of the successive forming roller assemblies 9, 10, 11 differ in their radial dimensions in that they increase in accordance with the progressive in the direction of passage 8 forming.
  • Fig. 1 shows only by way of example three forming roll arrangements.
  • a rolling head may also be formed by two or more than three molding roll assemblies following one another in a passage direction.
  • the Fig. 2 and 3 show the mold profile 12 '' of the forming roller 12 as a ring-cylindrical, outside a profile in the form of an arrangement of stepless rings having basic body which is frontally provided on both sides with mutually equally sized recesses 15.
  • This ring profile is intended for producing an at least approximately round thread on the workpiece and to be considered only as an example. Other thread-like deformations can be made at the same profile of the molding roll alike.
  • At 16 is a radial bearing, e.g. a cylindrical roller bearing or a system of dowel pins, via which the mold profile 12 '' is supported radially on a pivot pin 17.
  • a radial bearing e.g. a cylindrical roller bearing or a system of dowel pins
  • two adjusting disks by means of which the two axial bearings 19 are axially supported on the facing end faces of the sleeves 20, 21, are designated by 26, 27.
  • the existing between the mutually facing end faces of the sleeves 20, 21 axial mounting dimension 28 is identical for all three mounting positions of the forming roller assembly 9. It is preferably identical for all mounting positions of the rolling head. 6
  • the adjusting discs 26, 27 on both sides of a forming roller 12 are now selected with the proviso that, while maintaining the installation dimension 28, the axial positions the forming profiles 12 '', 13 '', 14 '', the forming rollers 12, 13, 14 of the forming roller assembly 9, 10, 11 are applied differently on the respective axle bolt 17, with the aim during a machining passage in the direction of rotation of the Rolling head 6 in a forming roll arrangement 9, 10, 11 successive mold sections 12 '', 13 '', 14 '' into engagement with the workpiece in succession, this only assuming that corresponding pairings or combinations of adjusting plates 26, 27 stand by are held, which are suitable in connection with the axial dimensions of the molding roll to represent the installation dimension 28.
  • the profiling of the rolls 11 can each be of identical design or can be formed differently from each other in the individual forming roll arrangements 9, 10, in particular due to the fact that with a slight wear of the surface contour of one of the forming rolls 12 can be installed directly in a device with a smaller pitch and can be reused, the inventory of molding rolls can be kept extremely low.
  • forming rolls 12 with corresponding coarse or fine profiles as well as forming rolls which have a smooth surface with which, for example, a change in diameter, wall thickness reduction or the like of a workpiece to be machined is achieved before the application of a thread.
  • Fig. 5 is the device of Fig. 4 shown in the direction of the axis 7, wherein in this figure with A, B and C, the respective thrust bearings 19 of the forming rollers 12 are shown.
  • the bearings for the spacers 5 are hiebei also indicated schematically.
  • the forming rollers 12 of the first forming roller arrangement 9 are offset from those of the second forming roller arrangement 10 by a divider of a full circle corresponding to the number of forming rollers 12, whereby a particularly uniform and rapid processing and an accelerated throughput of the workpiece to be processed by the rolling head 6 is achievable.
  • FIG. 6 The representation according to Fig. 6 is essentially the same as that of Fig. 4 , so that concerning the description of the first two forming roll assemblies 9, 10 of this figure Fig. 4 is referenced.
  • the forming roller assembly 11 is in this case formed so that only the axle pin 17 are shown instead of the individual forming rollers 12, so that the device according to Fig. 6
  • by providing further forming rollers 12 on the axle 17 of the forming roller assembly 11 for use in a third processing step for non-cutting, elongated workpieces can be adapted.
  • FIG. 6 schematically indicated a drive 29 for the rolling head 6.
  • the device according to the present invention is arbitrarily expandable and that more than three forming roll arrangements can be provided depending on the processing steps to be carried out.
  • the shape profiles of a forming roll arrangement can also be exchanged with those of a forming roll arrangement upstream in the direction of passage, in accordance with the absolute dimensions, in order to achieve improved material utilization.
  • the advantage in this case is the simple axial adjustability of the mold profile on the respectively supporting axle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Metal Rolling (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Claims (14)

  1. Dispositif pour l'usinage sans copeaux de pièces allongées pour la fabrication d'un profil extérieur de type filetage au moyen d'au moins un agencement de cylindres de formage (9, 10, 11) présentant au moins deux cylindres de formage (12, 13, 14) pouvant être mis en rotation respectivement autour d'axes (12', 13', 14'), l'agencement de cylindres de formage (9, 10, 11) entourant la pièce à usiner, un mouvement d'avance entre les cylindres de formage (12, 13, 14) et la pièce étant établi dans la direction périphérique de cette dernière ainsi qu'axialement, et les cylindres de formage (12, 13, 14) parvenant successivement, pendant une rotation complète autour de la pièce, en une prise de formage avec cette dernière, caractérisé en ce qu'au moins deux agencements de cylindres de formage (9, 10, 11) se succédant axialement sont prévus dans la direction de passage (8) de la pièce, que les cylindres de formage (12, 13, 14) d'un agencement de cylindres de formage (9, 10, 11) au moins sont de même structure mutuelle, que pour la constitution de prises de formage successives avec la pièce dans la direction de rotation autour de la pièce, la position axiale de chaque cylindre de formage (12, 13, 14) est établie différemment à l'intérieur d'une cote de montage axiale (28), et qu'au moins trois cylindres de formage (12, 13, 14) sont disposés dans chaque agencement de cylindres de formage (9, 10, 11), et que les cylindres de formage (12, 13, 14) d'un agencement de cylindres de formage (9, 10, 11) sont disposés de manière décalée dans la direction radiale par rapport à ceux de l'agencement voisin (9, 10, 11) d'un diviseur d'un cercle complet correspondant au nombre des cylindres de formage.
  2. Dispositif selon la revendication 1, caractérisé en ce que l'agencement de cylindres de formage (9, 10, 11) est constitué d'une tête de cylindres (6) entraînable en rotation autour de son axe central (7) qui s'étend coaxialement à la pièce pendant l'usinage, tête dans laquelle les cylindres de formage (12, 13, 14) sont montés en libre rotation sur des tourillons (17).
  3. Dispositif selon la revendication 1, caractérisé en ce que les cylindres de formage (12, 13, 14) de l'agencement de cylindres de formage (9, 10, 11) sont montés avec possibilité d'entraînement en rotation.
  4. Dispositif selon l'une des revendications 1, 2 et 3, caractérisé en ce que les axes (12', 13', 14') des cylindres de formage (12, 13, 14) sont inclinés sous un angle par rapport à un axe longitudinal de la pièce ou à l'axe central (7) de l'agencement de cylindres de formage (9, 10, 11).
  5. Dispositif selon la revendication 4, caractérisé en ce que l'angle d'inclinaison des cylindres de formage (12, 13, 14) est réglable en fonction des dimensions de la pièce et/ou du matériau de la pièce.
  6. Dispositif selon l'une des revendications 1, 2 et 4 et 5, caractérisé en ce que les tourillons (17) sont fixés dans la tête de cylindres (6) sans possibilité de rotation autour de leur axe respectif (12', 13', 14').
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce qu'une cote de montage fixe (28) des cylindres de formage (12, 13, 14) est constituée par des rondelles d'ajustage (26, 27) de part et d'autre d'un profil de formage (12'', 13'', 14'') du cylindre de formage (12, 13, 14).
  8. Dispositif selon l'une des revendications 2 et 4 à 7, caractérisé en ce que le profil de formage (12", 13'', 14'') de chaque cylindre de formage (12, 13, 14) est monté radialement sur le tourillon (17) dans une zone centrale et axialement aux deux zones d'extrémité du côté frontal.
  9. Dispositif selon l'une des revendications 6, 7 et 8, caractérisé en ce que la cote de montage (28) est constituée par l'écartement axial des surfaces de référence de composants utilisés pour la fixation du tourillon (17) dans la tête de cylindres (6), et qu'un appui axial du profil de formage sur les composants cités est établi par l'intermédiaire de la rondelle d'ajustage (26, 27).
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé par au moins trois agencements de cylindres de formage (9, 10, 11) qui se succèdent axialement dans la direction de passage (8) d'une pièce.
  11. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que les cylindres de formage (12, 13, 14) d'un agencement de cylindres de formage (9, 10, 11) présentent par rapport à ceux de l'agencement de cylindres de formage voisin (9, 10, 11) des profils de formage (12'', 13'',14'') avec des profilages différents les uns des autres.
  12. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que les cylindres de formage (12, 13, 14) d'un agencement de cylindres de formage (9, 10, 11) présentent par rapport à ceux de l'agencement de cylindres voisin (9, 10, 11) un diamètre différent l'un de l'autre.
  13. Dispositif selon l'une des revendications 1 à 12, caractérisé en ce qu'une zone d'entrée dans l'agencement de cylindres de formage (9, 10, 11) pour la pièce est configurée sous forme de cône réglable.
  14. Dispositif selon l'une des revendications 1 à 12, caractérisé en ce que les cylindres de formage (12, 13, 14) de chaque agencement de cylindres de formage (9, 10, 11) peuvent être disposés sur des cercles primitifs différents les uns des autres, pouvant être choisis de manière quelconque.
EP10754657.4A 2009-08-31 2010-08-27 Dispositif d'usinage sans enlèvement de copeaux de pièces allongées Active EP2473296B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10754657T PL2473296T3 (pl) 2009-08-31 2010-08-27 Urządzenie do bezwiórowej obróbki podłużnych detali

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009038813A DE102009038813B4 (de) 2009-08-31 2009-08-31 Vorrichtung zur spanlosen Bearbeitung langgestreckter Werkstücke
PCT/AT2010/000312 WO2011022747A1 (fr) 2009-08-31 2010-08-27 Dispositif et procédé d'usinage sans enlèvement de copeaux de pièces allongées

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EP2473296A1 EP2473296A1 (fr) 2012-07-11
EP2473296B1 true EP2473296B1 (fr) 2013-05-29

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EP (1) EP2473296B1 (fr)
CA (1) CA2772658C (fr)
DE (1) DE102009038813B4 (fr)
PL (1) PL2473296T3 (fr)
WO (1) WO2011022747A1 (fr)

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DE102013107603A1 (de) * 2013-07-17 2015-01-22 Rollwalztechnik Abele + Höltich GmbH Vorrichtung zum Bearbeiten eines Werkstücks
EP3556485B1 (fr) * 2016-12-13 2023-10-18 Shanghai Pan-China Fastening System Co., Ltd. Procédé, module de procédé et appareil de roulage d'un filet extérieur d'un tube
DE102017113382B3 (de) 2017-06-19 2018-10-18 Ffg Werke Gmbh Gewindewalzverfahren und Gewindewalzvorrichtung zur Herstellung eines Gewindes
DE102017116895A1 (de) 2017-07-26 2019-01-31 Mag Ias Gmbh Verfahren und Vorrichtung zur Herstellung einer Verzahnung an einem zylindrischen Werkstück

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DE1214637B (de) * 1959-12-22 1966-04-21 Wilhelm Fette Praez Swerkzeug Gewinderollkopf
DE4313918C2 (de) * 1993-04-28 1996-02-08 Reburg Patentverwertungs Gmbh Vorrichtung zur kontinuierlichen spanlosen Umformung eines langgestreckten Werkstücks
DE10119569B4 (de) * 2001-04-21 2010-02-25 "Alwag" Tunnelausbau Gesellschaft Mbh Vorrichtung zur spanlosen Umformung
DE102007029548B3 (de) * 2007-06-25 2009-02-05 Heinz Gruber Formwerkzeug zum spanlosen Bearbeiten langgestreckter Werkstücke

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WO2011022747A1 (fr) 2011-03-03
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PL2473296T3 (pl) 2013-10-31
CA2772658A1 (fr) 2011-03-03
EP2473296A1 (fr) 2012-07-11

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