EP2473296B1 - Device for processing elongate workpieces without cutting - Google Patents

Description

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. To carry out the forming process, 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.

In the document DE 101 19 569 A1 , which forms the basis for the preamble of claim 1, a comparable apparatus is described 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.

In the document DE 10 2007 029 548 B3 is a specific for use in such a device rolling head, in particular the storage of the forming rollers described. 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. For the storage of the forming rollers serve axle, the ends of which are fixedly arranged in the bearing discs. 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.

In the document DE 1 214 637 B a thread rolling head is described with freely rotatable threaded rollers, 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.

In order to ensure in these known rolling heads, that in each forming roll arrangement, a forming handle is arranged with the workpiece such that the forming rollers in the direction of rotation of the rolling head successively engage, different forming rollers are used, in which this circumstance has been taken into account. However, these forming rollers are exposed to not inconsiderable wear, so that the operator of this Devices must keep a corresponding number of different form rollers in readiness. Accordingly, the number of forming rolls of a forming roll assembly and the number of forming roll assemblies of such a device increases the required stock of forming rolls.

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.

To solve these objects, a device according to the invention 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. Due to the fact that at least two axially successive molding roll arrangements are provided, on the one hand workpieces of different workpiece diameters and / or different ones succeed Wall thickness to work by, for example, with the first set of forming rollers a wall thickness and / or diameter reduction is formed and formed with the second set of forming rollers, a thread-like outer profile. Further, in departure from the prior art for displaying the workpiece in succession around the workpiece successive forming engagement with the workpiece, the axial position of each mold roll is set differently within an axial installation dimension, are successive Umeformeingriffe of circumferentially successive molding rolls by varying the axial position of the mold profile can be displayed. This also means that for the operation of the molding roll arrangement with only one mold profile Auslangen can be found, which is fixable in different axial positions, so that there is a considerable reduction in mutually different shape profiles or molding rolls provided therewith.

Furthermore, 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.

According to a preferred embodiment of the invention, 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. By 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.

Alternatively, as is the case with a further development of the invention, within the scope of a forming roll arrangement, 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.

By, as corresponds to a preferred embodiment of the invention, 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. In the same way, for example, when using a profile-less forming roller, the extent of the material taper or calibration of the introduced workpiece results. By such a configuration, it is preferably possible different tubes or rods Diameter on one and the same device for profiling, tapering and / or calibrating. A further improvement or clarification is achievable according to a preferred embodiment of the invention in that the angle of attack is adjustable as a function of the dimensions of the workpiece and / or the material of the workpiece.

According to 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. For this purpose, 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. This means that, in contrast to the aforementioned prior art, in addition to one or a few standard shapes of a molding profile, only alignment disks of different dimensions must be kept ready to exchange worn parts if necessary.

According to a further preferred structural embodiment of a forming roll, in particular its storage within the rolling head, 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. Here, 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.

According to a further preferred embodiment of the invention, 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 , By including all intended for the storage of the mold profile functional elements in the structure, the representation of reproducible conditions, so that as a contact surface for the Justierscheiben 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.

By, as this corresponds to a preferred development of the device according to the invention, 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.

By, as corresponds to a preferred embodiment of the invention, 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.

In a further preferred modification of the invention, 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. With such 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.

By, as in an embodiment of the invention, 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.

By, as this corresponds to a further preferred embodiment of the present embodiment of the invention, 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.

For this purpose, in the direction of passage of the workpiece at least two axially successive Formwalzenanordnungen be brought into engagement with the workpiece and to represent in the direction of rotation around the workpiece successive Umformteinriffen the workpiece, the axial position of each forming roller is set differently within an axial installation dimension. By at least two successive Formwalzanordnungen be brought into engagement with the workpiece in the direction of passage of the workpiece, it is possible during the machining of the workpiece to achieve a not inconsiderable temperature development, in particular in the successive forming engagement with the workpiece, so that simultaneously with the surface processing or diameter change or wall thickness change of the workpiece, a hot deformation of the machined end portion of the elongate workpiece is achieved, whereby the end portion is subjected to a hardening treatment by structural change of the material as compared with the remaining, elongated workpiece, and thus increases the service life of the devices produced by the method according to the invention becomes. Furthermore, in such a process management with workpieces low wall thickness, the Auslangen be found so that the required amount of raw material can be reduced.

By, as in a further development of the method, 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.

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 eine Seitenansicht eines erfindungsgemäßen Walzkopfes;
• Fig. 2 einer Ansicht einer Formwalze als Teil des Walzkopfes gemäß Fig. 1 in vergrößerter Teildarstellung;
• Fig. 3 eine Explosionsdarstellung einer einzelnen Formwalze des Walzkopfes gemäß Fig. 1;
• Fig. 4 eine Seitenansicht eines erfindungsgemäßen Walzkopfs mit zwei Formwalzen;
• Fig. 5 eine Draufsicht auf die Stirnfläche des Walzkopfs gemäß Figur 4; und
• Fig. 6 eine Seitenansicht einer abgewandelten Ausführungsform eines erfindungsgemäßen Walzkopfs, in welchem drei Formwalzen vorgesehen sind.

The invention will be explained in more detail with reference to embodiments illustrated in the drawings. In these show:

• Fig. 1 a side view of a rolling head according to the invention;
• Fig. 2 a view of a molding roll as part of the rolling head according to Fig. 1 in enlarged partial view;
• Fig. 3 an exploded view of a single forming roll of the rolling head according to Fig. 1 ;
• Fig. 4 a side view of a rolling head according to the invention with two forming rollers;
• Fig. 5 a plan view of the end face of the rolling head according to FIG. 4 ; and
• Fig. 6 a side view of a modified embodiment of a rolling head according to the invention, in which three forming rollers are provided.

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 Formwalzenanordnungen 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 By this angular adjustment in conjunction with the rotational movement of the rolling head 6 and the non-rotatable but axially movable recording of the workpiece, 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 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. 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.

To explain the storage of the individual forming rollers of a forming roll arrangement will be explained in addition to the Fig. 2 and 3 Reference is made, in which like functional elements are designated in the same way.

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.

With 18 spacers are indicated, 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.

20, 21 are sleeves, which are intended for non-rotatable insertion into bores 22, 23 of two axially opposite bearing discs 1, 2, which bores extend in the direction of the axis 13 'of the forming roller 12 in its installed state. In these sleeves 20, 21, the mutually equally sized end portions 24, 25 of the axle 17 are inserted and fixed non-rotatably. This Unverdrehbarkeit can be represented, for example, form fit via tongue and groove interventions.

Finally, 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

According to the invention, 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.

For all installation positions of at least one forming roller assembly 9 thus the same forming rollers can be used, namely regardless of their concrete installation position.

In the illustration according to Fig. 4 in which the reference numerals of the preceding figures are maintained, three bearing discs 1, 2 and 3 are shown, which are interconnected by spacers 5 and held at equal intervals. In a rolling head 6 formed in this way, a workpiece to be machined is fed along the axis 7 and the forming rollers 11 arranged in the forming roller arrangement 9, wherein Fig. 4 three pieces thereof are provided, and which have a shape profile 12 '' formed on its surface, brought into engagement with the along the axis 7 supplied workpiece. These perform a first, coarse profiling step or first coarse step to form a thread-like surface. In continuation of the workpiece in the direction of the axis 7, the pre-machined workpiece enters the second roller assembly 10, in which a finishing or Post-processing of the thread-like surface profile of the workpiece is performed.

With such an arrangement, it is possible, in particular when storing the forming rollers 12, as described in the preceding figures, not only to work a workpiece without cutting, in particular to apply a thread-like structure, but also at the same time possible, the machined end portion of the workpiece of a heat treatment to undergo due to the resulting during the machining process high temperature, so that a workpiece subjected to such a machining is simultaneously annealed in its end and thus has a longer service life than conventional workpieces.

It is self-evident that 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.

It is both possible here to use 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.

In 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. At the same time is in Fig. 5 it can be seen that 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.

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 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 for non-cutting, elongated workpieces can be adapted.

Additionally is in Fig. 6 schematically indicated a drive 29 for the rolling head 6.

It is needless to say that 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.

In the case of wear, 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.

Claims (14)

1. A device for processing elongate workpieces without cutting to produce a thread-like outer profile by means of at least one shaping roller arrangement (9, 10, 11) having at least two shaping rollers (12, 13, 14) that can be rotated about respective axes (12', 13', 14'), wherein the shaping roller arrangement (9, 10, 11) surrounds the workpiece to be processed, wherein a feed motion between the shaping rollers (12, 13, 14) and the workpiece is established in the circumferential direction of the workpiece and axially to the workpiece, and wherein the shaping rollers (12, 13, 14) are successively brought into a shaping engagement with the workpiece during a complete revolution around the workpiece, characterized in that at least two axially successive shaping roller arrangements (9, 10, 11) are provided in the passing direction (8) of the workpiece, that at least the shaping rollers (12, 13, 14) of a shaping roller arrangement (9, 10, 11) are the same as one another, that the axial position of each shaping roller (12, 13, 14) within an axial installation dimension (28) is different in order to provide shaping engagements with the workpiece that are successive in the direction of the revolution around the workpiece, and that at least three shaping rollers (12, 13, 14) are arranged in each shaping roller arrangement (9, 10, 11), and that the shaping rollers (12, 13, 14) of a shaping roller arrangement (9, 10, 11) are arranged to be offset relative to those of the adjacent shaping roller arrangement (9, 10, 11) in the radial direction by a full circle divider corresponding to the number of shaping rollers.
2. A device according to claim 1, characterized in that the shaping roller arrangement (9, 10, 11) is comprised of a roller head (6) that is rotationally drivable about its central axis (7), which extends coaxially with the workpiece during processing, and in which the shaping rollers (12, 13, 14) are freely rotatably mounted on axle pins (17).
3. A device according to claim 1, characterized in that the shaping rollers (12, 13, 14) of the shaping roller arrangement (9, 10, 11) are rotationally drivably mounted.
4. A device according to any one of claims 1, 2 or 3, characterized in that the axes (12', 13', 14') of the shaping rollers (12, 13, 14) are adjusted at a respective angle relative to a longitudinal axis of the workpiece, or the central axis (7) of the shaping roller arrangement (9, 10, 11).
5. A device according to claim 4, characterized in that the adjustment angle of the shaping rollers (12, 13, 14) is adjustable as a function of the dimensions of the workpiece and/or the material of the workpiece.
6. A device according to any one of claim 1, 2 or 4 and 5, characterized in that said axle pins (17) are non-rotationally fixed about their respective axes (12', 13', 14') in the roller head (6).
7. A device according to any one of claim 1 to 6, characterized in that a fixed installation dimension (28) of the shaping rollers (12, 13, 14) is ensured by adjusting discs (26, 27) provided on both sides of a shaping profile (12", 13", 14") of the shaping roller (12, 13, 14).
8. A device according to any one of claims 2 or 4 to 7, characterized in that the shaping profile (12", 13", 14") of each shaping roller (12, 13, 14) is mounted radially on the axle pin (17) in a central region, and axially on the two end-side end regions.
9. A device according to any one of claims 6, 7 or 8, characterized in that said installation dimension (28) is provided by the axial distance of the reference surfaces of structural elements used to fix the axle pins (17) in the roller head (6), and that an axial support of the shaping profile on said structural elements is provided via the adjusting disc (26, 27).
10. A device according to any one of claim 1 to 9, characterized by at least three shaping roller arrangements (9, 10, 11) provided in axial succession in the passing direction (8) of a workpiece.
11. A device according to any one of claim 1 to 10, characterized in that the shaping rollers (12, 13, 14) of a shaping roller arrangement (9, 10, 11) relative to those of the adjacent shaping roller arrangement (9, 10, 11) comprise shaping profiles (12", 13", 14") having mutually different profiles.
12. A device according to any one of claim 1 to 10, characterized in that the shaping rollers (12, 13, 14) of a shaping roller arrangement (9, 10, 11) relative to those of the adjacent shaping roller arrangement (9, 10, 11) have mutually different diameters.
13. A device according to any one of claim 1 to 12, characterized in that an intake region into the shaping roller arrangement (9, 10, 11) for the workpiece is designed as an adjustable cone.
14. A device according to any one of claim 1 to 12, characterized in that the shaping rollers (12, 13, 14) of each shaping roller arrangement (9, 10, 11) can be arranged on arbitrarily selectable and mutually different pitch circles.

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