WO2011022747A1 - Dispositif et procédé d'usinage sans enlèvement de copeaux de pièces allongées - Google Patents

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

Info

Publication number
WO2011022747A1
WO2011022747A1 PCT/AT2010/000312 AT2010000312W WO2011022747A1 WO 2011022747 A1 WO2011022747 A1 WO 2011022747A1 AT 2010000312 W AT2010000312 W AT 2010000312W WO 2011022747 A1 WO2011022747 A1 WO 2011022747A1
Authority
WO
WIPO (PCT)
Prior art keywords
workpiece
forming
forming roller
roller assembly
rollers
Prior art date
Application number
PCT/AT2010/000312
Other languages
German (de)
English (en)
Inventor
Heinz Gruber
Lutz SCHÜNEMANN
Thorsten BÄCK
Nino Gruber
Original Assignee
Dywidag-Systems International Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dywidag-Systems International Gmbh filed Critical Dywidag-Systems International Gmbh
Priority to PL10754657T priority Critical patent/PL2473296T3/pl
Priority to CA2772658A priority patent/CA2772658C/fr
Priority to EP10754657.4A priority patent/EP2473296B1/fr
Publication of WO2011022747A1 publication Critical patent/WO2011022747A1/fr

Links

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 the non-machining of elongated 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, with a Zu- adjusting movement between the Forming rollers and the workpiece in its circumferential direction and is arranged axially to this, and wherein the forming rollers during a complete rotation around the workpiece successively with this in a forming engagement and a method for Spansen- sen machining elongated workpieces for producing a thread-like outer profile by means of at least Such a device in which the workpiece to be machined is machined by a feed movement in a rolling head in its circumferential direction and axially, and wherein the forming rollers during a complete circulation s are brought around the workpiece successively with this in a forming engagement.
  • the substantially continuous production of rock bolt anchors, boring bars and other comparable products starting from rod-shaped or tubular basic bodies by chipless machining in a rolling process is described, for example, in the document DE 43 13 918 A.
  • 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 there results from the angular position of the forming rollers of the axial feed of the non-rotatably held about its axis body.
  • the document DE 101 19 569 A1 describes a comparable apparatus in which a rolling head is used which-seen in the direction of passage-has a plurality of arrangements consisting of at least three forming rollers whose profiles differ and which on the advancing in this direction Forming process adapted.
  • 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 document DE 10 2007 029 548 B3 describes a rolling head intended for use in such a device, in particular the mounting of the forming rollers.
  • the rolling head consists of a, about a central axis rotatably mounted, in communication with a drive arrangement of a plurality of axially spaced bearing discs, between which there 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 other form roll arrangements are slightly different, taking into account the fact that the forming rolls are successively engaged with the work.
  • Axle bolts whose ends are fixedly arranged in the bearing disks serve to support the shaping rollers.
  • 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 spacer rings have different axial dimensions, so that the position of the forming roller is changeably mounted on the axle pin with an unchanged axial installation dimension by merely interchanging the input and output side spacer rings, so that in case of unilateral wear of the axle pin the worn bearing rich reaches a less highly stressed zone, so that an improved material utilization of the axle bolt is given.
  • the invention now aims to design a device of the type described by simple means on the one hand with a view to a more rational operation of the same and on the other hand the device adaptable to the most varied to be machined wall thicknesses and diameters of the workpieces and trainees or surface profiling embody.
  • 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 identical to one another and that for the representation of in the direction of circulation around the workpiece successive forming engagement with the workpiece, the axial position of each forming roll is set differently within an axial fitting dimension.
  • the fact that at least two axially successive forming roll arrangements are provided enables on the one hand workpieces of different workpiece diameter and / or different wall thickness to be machined, for example by forming a wall thickness and / or diameter reduction with the first set of forming rolls and with the second set of forming rolls a thread-like outer profile is formed.
  • the axial position of each forming roll is set differently within an axial fitting dimension, successive forming engagements of forming rolls following each other in the circulation direction are achieved Variability of the axial position of the mold profile can be displayed. This Also means that for operating the mold roll assembly with only one mold profile Aus GmbH can be found, which is fixable in different axial positions, so that there is a considerable reduction in mutually different mold profiles or molding rolls provided therewith.
  • the apparatus is characterized in that the Formwalzenan- order 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, an unpolluted groove-like shape profile from this angle, the pitch of the thread-like, to be introduced into the outside of the workpiece deformation.
  • the extent of material rejuvenation or calibration of the introduced workpiece results.
  • a preferred embodiment of the invention is as a constructive 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 disks will thus generally have a different axial dimension in accordance with the axial position of the shaped profile to be set.
  • the invention is characterized in that a fixed installation dimension of the forming rolls by Justierschei- ben on either side of a molding profile of the forming roll is shown.
  • the axle bearing the forming roller is held unrotatably in the rolling head, components which are present without exception being present, for example those components which are used to fix the axle bolt within the housing Rolling head serve, wherein preferably the shape profile of each forming roller is mounted axially in a central region radially on the axle and at both end-side end portions.
  • 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 on the adjusting an axial support of the mold profile is set to said components ,
  • At least three axially successive in the direction of passage of a workpiece de form roller arrangements are provided, it is possible to apply the entire forming work gradually.
  • the progressive 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 molding rolls used in the forming roll assemblies and differ from the surface or surface structure.
  • the apparatus is substantially designed so that in each mold roll arrangement at least three forming rollers are arranged and that the forming rollers of a forming roller arrangement are arranged offset to those of the adjacent forming roller assembly in the radial direction by a number of forming rollers corresponding divider of a full circle ,
  • 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 Particularly uniform machining of the surface of the workpiece to be machined, in addition due to the permanent engagement of the forming rollers in the workpiece to be machined alsorapn pointed. Structural changes of the workpiece to be machined by a heat treatment can be achieved.
  • the device is designed so that the shaping rolls of a forming roll arrangement with respect to that of the adjacent forming roll arrangements have shaped profiles with mutually different profilings, it is possible, for example, to coarsely process a workpiece to be machined in a first stage and finely process or rework it in a second stage with one and the same arrangement ,
  • 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, roughly apply a thread-like profiling in a second stage and finish this in a third stage. It is also possible with such a device, for example, to only calibrate the workpiece to be machined in a first stage, to form a pre-profiling of a thread in a second stage and to form or rework this thread correctly in a third stage.
  • the device is formed 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 such Training a quick and reliable entry of the workpiece in the forming roller assembly ensures while processing the end portion 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 any arbitrary, different pitch circles, it is possible to further increase the number of stock rolls to be kept in stock reduce, since partially worn molding rolls can be arranged, for example, on a smaller circle and then continue to be used until their final wear.
  • the present invention further aims at a method for cutting elongate workpieces without cutting with a device of the present invention, by 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 method according to the invention is essentially characterized in that, in the direction of passage of the workpiece, at least two axially superimposed the following forming roll arrangements are brought into engagement with the workpiece and in that the axial position of each forming roll within an axial fitting dimension is set differently for the purpose of displaying forming work engagement successively in the direction of rotation around the workpiece.
  • the method is carried out such that the forming roll arrangement is driven to rotate by a rolling head rotating about its central axis extending coaxially with the workpiece during the machining process
  • Form rollers are mounted on axle pivot freely rotatable in the forming roller assembly, the wear of the forming rolls in the forming roll assembly minimized, whereby on the one hand, the storage of molding rolls is significantly reduced and on the other hand, a rapid adaptability of the process to a variety of materials, material conditions and processing times easily and reliably allows.
  • the forming rolls of one forming roll assembly with those of the adjacent forming roll forming mold profiles having profiles different from one another or by using the forming rolls of one forming roll assembly to those of the adjacent forming roll assembly of a different diameter
  • the method according to the invention for calibrating a workpiece or for machining workpieces of different diameters or of different wall thicknesses, without the forming rollers being exchanged or excessively stressed and prematurely used.
  • a structure change of the material structure in the machined end region of the workpiece can be achieved with such a method, whereby the service life of the machined workpieces is further increased.
  • Fig. 1 is a side view of a rolling head according to the invention
  • Fig. 2 is a view of a forming roller as part of the rolling head of Figure 1 in an enlarged partial view.
  • FIG. 3 is an exploded view of a single forming roll of the rolling head of FIG. 1;
  • FIG. Fig. 4 is a side view of a rolling head according to the invention with two forming rollers;
  • FIG. 5 shows a plan view of the end face of the rolling head according to FIG. 4.
  • Fig. 6 is a side view of a modified embodiment of a rolling head according to the invention, in which three forming rollers are provided.
  • 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 screwed 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 workpiece which is held coaxially with the axis 7, is non-rotatable about its axis in a manner known per se during machining by means of the rolling head 6, but is movably mounted in the direction of its axis by a hydraulic slide, for example.
  • the rolling head 6 shown is characterized by three molding roll arrangements 9, 10, 11 which follow each other in the direction of passage 6 of the workpiece, each of which has three forming rolls 12, 13, 14 uniformly distributed in the circumferential direction, of which, for reasons of graphic simplicity, in FIG Fig. 1 only one is shown.
  • this angular adjustment in conjunction with the rotational movement of the rolling head 6 and the non-rotatable but slidable in the axial direction of the workpiece recording the pitch of the thread-like deformation and acting on this during processing axial feed can be displayed.
  • the forming rolls 12, 13, 14 of each forming roll assembly 9, 10, 11 are different in positioning on their respective axes, this positioning depending on the direction of rotation of the drawing head 6 being arranged so that the forming rolls following each other in the circumferential direction 12, 13, 14 of a forming roller assembly 9, 10, 11 successively engage with the workpiece.
  • 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 by way of example only three forming roll arrangements. In practice, a rolling head may also be formed by two or more than three molding roll assemblies following one another in a passage direction.
  • FIGS. 2 and 3 To explain the storage of the individual forming rolls of a forming roll arrangement, reference is additionally made in the following to FIGS. 2 and 3, in which identical functional elements are designated in the same way.
  • FIGS. 2 and 3 show the form profile 12 "of the forming roller 12 as a ring-cylindrical, externally 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 grooves 15.
  • This ring profile is for producing an at least Approximate round thread on the workpiece determined and considered only as an example.Other thread-like deformations can be made alike with appropriate profile of the forming roll.
  • a radial bearing e.g. denotes a cylindrical roller bearing or a system of dowels over which the mold profile 12 "is radially supported on a pivot pin 17.
  • spacers are designated, via which the mold profile 12 "is supported on both sides of a thrust bearing 19, wherein each a spacer 18 and a thrust bearing 19 fill a recess 15 axially flush.
  • 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 selected with the proviso that while maintaining the installation dimension 28, the axial positions of the mold sections 12 ", 13", 14 “, the forming rollers 12, 13, 14 of the forming roller assembly 9, 10, 11 are applied differently on the respective axle bolts 17, with the aim, during a machining pass, of successively engaging the mold sections 12 ", 13", 14 “following one another in the direction of rotation of the rolling head 6 in a forming roller arrangement 9, 10, 11 to bring the workpiece.
  • the profiling of the rollers 11 hiebei each may be the same or may be formed differently from each other in the individual forming roller assemblies 9, 10, in particular due to the fact that at a low wear of the surface contour of the forming rollers 12 this can be installed and reused directly in a device with a smaller pitch, the stock of the forming rollers can be kept extremely low.
  • forming rolls 12 with corresponding coarse or fine profiles and also forming rolls which have a smooth surface with which, for example, a change in diameter, a reduction in wall thickness or the like can be achieved.
  • a workpiece to be machined is achieved before the application of a thread.
  • FIG. 5 the apparatus of Fig. 4 is seen 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.
  • FIG. 5 it can be seen in FIG. 5 that the forming rolls 12 of the first forming roll arrangement 9 are offset from those of the second forming roll arrangement 10 by a divider of a full circle corresponding to the number of forming rolls 12, thereby providing a particularly uniform and rapid processing and an accelerated throughput of the workpiece to be machined by the rolling head 6 can be achieved.
  • the illustration according to FIG. 6 essentially corresponds to that of FIG. 4, so that with regard to the description of the first two forming roll arrangements 9, 10 of this figure, reference is made to FIG. 4.
  • the forming roller assembly 11 is hiebei formed so that only the axle pin 17 are shown instead of the individual forming rollers 12, so that the device of FIG. 6, for example, by providing further forming rollers 12 on the axle 17 of the forming roller assembly 11 for use in a third processing step can be adapted for non-cutting, elongated workpieces.
  • a drive 29 for the rolling head 6 is indicated schematically in FIG.
  • 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.

Landscapes

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

Abstract

L'invention concerne un procédé d'usinage sans enlèvement de copeaux de pièces allongées, permettant de réaliser un profil extérieur de type filetage au moyen d'au moins un ensemble cylindre de formage (9, 10, 11) présentant des cylindres de formage (12, 13, 14) tournant respectivement autour d'un axe (12', 13', 14'), l'ensemble cylindre 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 est orienté dans la direction périphérique de la pièce ainsi que dans la direction axiale par rapport à celle-ci, les cylindres de formage (12, 13, 14) venant les uns après les autres en contact de déformation avec la pièce, au cours d'une rotation complète autour de cette dernière. Au moins deux ensembles cylindre de formage (9, 10, 11) se succédant axialement sont agencés dans la direction de passage (8) de la pièce, au moins les cylindres de formage (12, 13, 14) d'un ensemble cylindre de formage (9, 10, 11) étant disposés de manière identique les uns au-dessous des autres, et, pour permettre les contacts de déformation successifs dans la direction de rotation autour de la pièce, la position axiale d'un cylindre de formage quelconque (12, 13, 14) étant orientée différemment dans une dimension de montage axiale (28). En outre, l'invention concerne un procédé d'usinage sans enlèvement de copeaux de pièces allongées à l'aide d'un tel dispositif.
PCT/AT2010/000312 2009-08-31 2010-08-27 Dispositif et procédé d'usinage sans enlèvement de copeaux de pièces allongées WO2011022747A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL10754657T PL2473296T3 (pl) 2009-08-31 2010-08-27 Urządzenie do bezwiórowej obróbki podłużnych detali
CA2772658A CA2772658C (fr) 2009-08-31 2010-08-27 Dispositif et procede d'usinage sans enlevement de copeaux de pieces allongees
EP10754657.4A EP2473296B1 (fr) 2009-08-31 2010-08-27 Dispositif d'usinage sans enlèvement de copeaux de pièces allongées

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009038813.3 2009-08-31
DE102009038813A DE102009038813B4 (de) 2009-08-31 2009-08-31 Vorrichtung zur spanlosen Bearbeitung langgestreckter Werkstücke

Publications (1)

Publication Number Publication Date
WO2011022747A1 true WO2011022747A1 (fr) 2011-03-03

Family

ID=43086902

Family Applications (1)

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

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015007386A1 (fr) * 2013-07-17 2015-01-22 Rollwalztechnik Abele + Höltich GmbH Dispositif d'usinage d'une pièce

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1214637B (de) * 1959-12-22 1966-04-21 Wilhelm Fette Praez Swerkzeug Gewinderollkopf
DE4313918A1 (de) 1993-04-28 1994-11-03 Gd Anker Gmbh & Co Kg Vorrichtung zur spanlosen Umformung eines Werkstücks
DE10119569A1 (de) 2001-04-21 2002-10-24 Iva Gmbh Vorrichtung zur spanlosen Umformung von stab- bzw. rohrförmigen Werkstücken
DE102007029548B3 (de) 2007-06-25 2009-02-05 Heinz Gruber Formwerkzeug zum spanlosen Bearbeiten langgestreckter Werkstücke

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1214637B (de) * 1959-12-22 1966-04-21 Wilhelm Fette Praez Swerkzeug Gewinderollkopf
DE4313918A1 (de) 1993-04-28 1994-11-03 Gd Anker Gmbh & Co Kg Vorrichtung zur spanlosen Umformung eines Werkstücks
DE10119569A1 (de) 2001-04-21 2002-10-24 Iva Gmbh Vorrichtung zur spanlosen Umformung von stab- bzw. rohrförmigen Werkstücken
DE102007029548B3 (de) 2007-06-25 2009-02-05 Heinz Gruber Formwerkzeug zum spanlosen Bearbeiten langgestreckter Werkstücke

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015007386A1 (fr) * 2013-07-17 2015-01-22 Rollwalztechnik Abele + Höltich GmbH Dispositif d'usinage d'une pièce

Also Published As

Publication number Publication date
EP2473296A1 (fr) 2012-07-11
CA2772658A1 (fr) 2011-03-03
PL2473296T3 (pl) 2013-10-31
DE102009038813A1 (de) 2011-04-07
DE102009038813B4 (de) 2012-09-27
EP2473296B1 (fr) 2013-05-29
CA2772658C (fr) 2015-05-12

Similar Documents

Publication Publication Date Title
DE3884590T2 (de) Verfahren und Vorrichtung zur plastischen Formgebung von Rädern mit Innenschrägverzahnung und Rädern mit Schrägverzahnung.
DE3742516C2 (de) Verfahren zur Herstellung eines schrägverzahnten Innenzahnrades und Vorrichtung zum Durchführen des Verfahrens
EP2473296B1 (fr) Dispositif d'usinage sans enlèvement de copeaux de pièces allongées
DE102005032350A1 (de) Verfahren und Vorrichtung zum einstückigen Anformen eines Flansches am Ende eines runden oder ovalen Rohres aus dünnwandigem Blech sowie nach dem Verfahren hergestelltes Rohr
EP1320429B1 (fr) Procede et dispositif pour former un rebord ou un bord a l'extremite d'un tube en tole
WO2011124489A1 (fr) Dispositif d'une machine de pétrissage rotatif pourvu d'un support de pièce et d'un support de barre porte-mandrin
DE19725453C2 (de) Verfahren zur Herstellung einer Hohlwelle
EP1790423B1 (fr) Dispositif de retenue des au moins deux rouleaux d'une machine de roulage et machine de roulage
EP3025802A1 (fr) Dispositif et procédé pour le fluotournage de pièces à usiner
EP0128570B1 (fr) Procédé et dispositif pour la fabrication de corps ronds consistant en profilés métalliques spécialement de jantes de roues de véhicules automobiles
DE4321779B4 (de) Verfahren zur Herstellung eines Starterkranz-Zahnrads aus Blech und nach dem Verfahren hergestelltes Starterkranz-Zahnrad
DE102007029548B3 (de) Formwerkzeug zum spanlosen Bearbeiten langgestreckter Werkstücke
EP3060359B2 (fr) Outil de galetage
EP3414030B1 (fr) Dispositif de galetage de pièces munies d'une denture et procédé afférent
EP2165785B1 (fr) Dispositif et procédé de fabrication de rainures longitudinales dans des pièces usinées cylindriques
DE10119569B4 (de) Vorrichtung zur spanlosen Umformung
DE102007062437A1 (de) Walzwerkzeug zum Kaltwalzen von Profilrollen mit unterschiedlicher Profilierung
DE102005013096A1 (de) Fahrzeugfelge und Verfahren zum Herstellen einer Fahrzeugfelge
DE202006003282U1 (de) Fahrzeugfelge
DE202010004910U1 (de) Walzwerkzeug, insbesondere für einen Rolle-Segment-Gewindewalzautomaten
DE102017113382B3 (de) Gewindewalzverfahren und Gewindewalzvorrichtung zur Herstellung eines Gewindes
WO2009036871A1 (fr) Procédé et dispositif pour cintrer ou laminer linéairement des profilés dotés de mini-corps de laminage-roulage sans axe
DE29907128U1 (de) Rolle für einen Radialgewinderollkopf
DE1552178A1 (de) Walzreduzierung von Ringwandstaerken
DE3404641A1 (de) Verfahren und vorrichtung zur herstellung von aus metallprofilen bestehenden rundkoerpern, insbesondere von radfelgen fuer kraftfahrzeuge

Legal Events

Date Code Title Description
DPE2 Request for preliminary examination filed before expiration of 19th month from priority date (pct application filed from 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10754657

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2010754657

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2772658

Country of ref document: CA