EP2473296A1 - Device and method for processing elongate workpieces without cutting - Google Patents
Device and method for processing elongate workpieces without cuttingInfo
- Publication number
- EP2473296A1 EP2473296A1 EP10754657A EP10754657A EP2473296A1 EP 2473296 A1 EP2473296 A1 EP 2473296A1 EP 10754657 A EP10754657 A EP 10754657A EP 10754657 A EP10754657 A EP 10754657A EP 2473296 A1 EP2473296 A1 EP 2473296A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- workpiece
- forming
- forming roller
- roller assembly
- rollers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005520 cutting process Methods 0.000 title claims abstract description 8
- 238000012545 processing Methods 0.000 title abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims description 41
- 238000003754 machining Methods 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 abstract description 15
- 125000006850 spacer group Chemical group 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003716 rejuvenation Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10754657T PL2473296T3 (en) | 2009-08-31 | 2010-08-27 | Device for processing elongate workpieces without cutting |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009038813A DE102009038813B4 (en) | 2009-08-31 | 2009-08-31 | Device for chipless machining of elongate workpieces |
PCT/AT2010/000312 WO2011022747A1 (en) | 2009-08-31 | 2010-08-27 | Device and method for processing elongate workpieces without cutting |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2473296A1 true EP2473296A1 (en) | 2012-07-11 |
EP2473296B1 EP2473296B1 (en) | 2013-05-29 |
Family
ID=43086902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10754657.4A Active EP2473296B1 (en) | 2009-08-31 | 2010-08-27 | Device for processing elongate workpieces without cutting |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2473296B1 (en) |
CA (1) | CA2772658C (en) |
DE (1) | DE102009038813B4 (en) |
PL (1) | PL2473296T3 (en) |
WO (1) | WO2011022747A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013107603A1 (en) * | 2013-07-17 | 2015-01-22 | Rollwalztechnik Abele + Höltich GmbH | Device for processing a workpiece |
EP3556485B1 (en) | 2016-12-13 | 2023-10-18 | Shanghai Pan-China Fastening System Co., Ltd. | Method, process module and apparatus for rolling an external pipe thread |
DE102017113382B3 (en) | 2017-06-19 | 2018-10-18 | Ffg Werke Gmbh | Thread rolling method and thread rolling device for producing a thread |
DE102017116895A1 (en) | 2017-07-26 | 2019-01-31 | Mag Ias Gmbh | Method and device for producing a toothing on a cylindrical workpiece |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1214637B (en) * | 1959-12-22 | 1966-04-21 | Wilhelm Fette Praez Swerkzeug | Thread rolling head |
DE4313918C2 (en) * | 1993-04-28 | 1996-02-08 | Reburg Patentverwertungs Gmbh | Device for the continuous chipless forming of an elongated workpiece |
DE10119569B4 (en) * | 2001-04-21 | 2010-02-25 | "Alwag" Tunnelausbau Gesellschaft Mbh | Device for chipless forming |
DE102007029548B3 (en) * | 2007-06-25 | 2009-02-05 | Heinz Gruber | Tool assembly for shaping tubular workpiece outer surfaces, without material removal, allows shaping rollers to be used on the axis bolt by changing the spacer rings without altering the dimensions to reduce wear |
-
2009
- 2009-08-31 DE DE102009038813A patent/DE102009038813B4/en active Active
-
2010
- 2010-08-27 PL PL10754657T patent/PL2473296T3/en unknown
- 2010-08-27 EP EP10754657.4A patent/EP2473296B1/en active Active
- 2010-08-27 WO PCT/AT2010/000312 patent/WO2011022747A1/en active Application Filing
- 2010-08-27 CA CA2772658A patent/CA2772658C/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2011022747A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2772658C (en) | 2015-05-12 |
PL2473296T3 (en) | 2013-10-31 |
DE102009038813B4 (en) | 2012-09-27 |
DE102009038813A1 (en) | 2011-04-07 |
WO2011022747A1 (en) | 2011-03-03 |
EP2473296B1 (en) | 2013-05-29 |
CA2772658A1 (en) | 2011-03-03 |
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