EP2780126A1 - Procédé et dispositif destinés à la fabrication de profilés présentant une protubérance qui s'étend en longueur et dont la position est variable - Google Patents

Procédé et dispositif destinés à la fabrication de profilés présentant une protubérance qui s'étend en longueur et dont la position est variable

Info

Publication number
EP2780126A1
EP2780126A1 EP12787719.9A EP12787719A EP2780126A1 EP 2780126 A1 EP2780126 A1 EP 2780126A1 EP 12787719 A EP12787719 A EP 12787719A EP 2780126 A1 EP2780126 A1 EP 2780126A1
Authority
EP
European Patent Office
Prior art keywords
annular gap
profile
hollow profile
blank
tool
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
Application number
EP12787719.9A
Other languages
German (de)
English (en)
Other versions
EP2780126B1 (fr
Inventor
Martin Kibben
Oliver Mertens
Thomas Flehmig
Arnoldus Theodorus Van Der Heiden
Gijs J.J. Mulder
Rolf Bernhard de Jong
Mattijn G. de Graaf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Steel Europe AG
ThyssenKrupp Accessibility BV
Original Assignee
ThyssenKrupp Steel Europe AG
ThyssenKrupp Accessibility BV
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 ThyssenKrupp Steel Europe AG, ThyssenKrupp Accessibility BV filed Critical ThyssenKrupp Steel Europe AG
Priority to EP12787719.9A priority Critical patent/EP2780126B1/fr
Publication of EP2780126A1 publication Critical patent/EP2780126A1/fr
Application granted granted Critical
Publication of EP2780126B1 publication Critical patent/EP2780126B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
    • 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
    • B21D15/02—Corrugating tubes longitudinally
    • 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
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
    • B21D7/085—Bending rods, profiles, or tubes by passing between rollers or through a curved die by passing through a curved die

Definitions

  • the invention relates to a method and an apparatus for producing Pro ilen with at least one
  • variable position, longitudinally oriented shape of a professional blank variable position, longitudinally oriented shape of a professional blank.
  • Stair lifts become profiles, in particular curved ones
  • An A-pillar which for example additionally forms a roof frame, can be used to provide the
  • Curved hollow sections are therefore usually one subjected to appropriate torsion to ensure the correct orientation of the formation.
  • longitudinally oriented formations must therefore be variable in height, or twisted.
  • the introduction of a torsion is only possible in a relatively short, f eied length of the hollow profile, which must be between two restraints.
  • the introduction of a twist in a relatively long hollow profile is particularly time-consuming, since only small sections of the hollow profile can be gradually twisted.
  • the invention is based on the object, a method and an apparatus for producing profiles or hollow profiles, which at least one lägever Sliche, longitudinally oriented formation
  • Insert molding tool in the profile or hollow profile blank By using a forming tool, which is rotated relative to the profile or hollow profile blank, a variable-position formation can be introduced into a profile or hollow profile without the profile or hollow profile must be twisted. A strong change in position of the shaping, for example a strong twisting of the
  • Hollow profiles and can be introduced in one step.
  • the inventive method can according to a first
  • Forming tool exiting reshaped profile or hollow profile is bent using a downstream bending mold with optional bending mandrel, so that provided with a variable-shape molding profiles or
  • Hollow profiles can be bent in one step.
  • At least one variable will be variable
  • Hollow profile blanks manufactured by Providing a designed as an annular gap forming tool with an outer and an inner die, which form an annular gap, an annular gap input and an annular gap output, wherein the
  • the width of the annular gap is greater than or equal to the wall thickness of the profile or
  • variable-length shaping via the annular gap tool into the profile or hollow profiled blank.
  • the inner die of the forming tool may have a cross-sectional shape in the shape that at the annular gap entrance the inner cross-sectional shape of the
  • Hollow section blanks resp. of the profile is provided and on Annular gap output the inner shape of the hollow profile or profile with variable-shape shaping.
  • an apparatus for the production of profiles, in particular hollow profiles with a longitudinally oriented, variable-position shaping comprising: an annular gap tool with an inner and an outer die, which has an annular gap, a
  • Annular gap tool and the profile blank in particular Hohlprofi Irohling, preferably a profile orschubritt and order as - means for performing a relative rotation of the
  • Ring gap tool profile or profile
  • profile blanks of open profiles can be reshaped.
  • the rotational movement does not have by the propulsion of the profile or hollow profile or by the relative
  • the method or the device with a forming tool or annular gap tool which has just been described and which according to the first teaching of the invention is used for the production of profiles or hollow profiles with at least one variable-length configuration, can additionally include all the features of the method or method mentioned below.
  • Shaping tool which is used together with a bending mold according to another aspect of the present invention for producing curved hollow sections, which have at least ei e longitudinally oriented, positionally variable shape, and contribute to solving this teaching of the present invention.
  • the device for producing preferably hollow profiles, which have at least one longitudinally oriented, variable-position formation for example, be arranged on a profile bending machine, since this can provide means for carrying out the relative movement and the relative rotation in a simple manner.
  • curved hollow profiles which have a longitudinally oriented, variable-position formation, can be produced in a simplified manner by a method which comprises the following
  • Process steps include:
  • annular gap tool with an outer and an inner die, which form an annular gap, an annular gap inlet and an annular gap outlet, the outer die at the annular gap inlet forming the annular gap
  • Has a cross-sectional shape of a hollow section blank and at the annular gap output a modified cross-sectional shape is provided with at least one formation, wherein the width of the annular gap is greater than or equal to the wall thickness of the hollow section blank,
  • Bending mandrels which are arranged downstream of the annular gap tool and form an annular gap for bending the hollow profile blank formed in the annular gap tool, wherein the width of the annular gap is greater than or equal to the wall thickness of the hollow profile blank,
  • Annular gap which is provided by the bending mold and optionally the bending mandrel, and the hollow profile blank with simultaneous relative axial rotation of the outer die of the annular gap tool relative to the
  • the method of the present invention combines the insertion of longitudinally displaceable, elongated formations into a hollow profile using an annular gap tool with bending the formed hollow profile using a bending die and optionally a bending mandrel, preferably by relative rotation by using at least one active agent to rotate the outer die Gesenk of the Annular gap tool around the axial axis of the hollow profile, the at least one variable position, longitudinally oriented
  • Forming is introduced into the hollow profile without the hollow profile itself is subjected to a twist.
  • the rotatably arranged bending form ensures that despite the
  • Forming properties are the hollow profile blanks
  • the bending mold may be freely rotating or alternatively rotatable about its longitudinal axis
  • a curved hollow profile which has longitudinally oriented and positionally variable formations, are produced.
  • hollow profile blanks and profile blanks of open profiles can be used.
  • hollow profile blanks are preferably used as tubes with a circular cross-section.
  • the use of hollow profile blanks with others is also possible.
  • stationary hollow profile blank moves axially and / or is rotated about the axial direction of the hollow section blank.
  • Annular gap tool as well as the annular gap, which are formed by the bending mold and the optional bending mandrel, greater than or equal to the wall thickness of the reshaping
  • Frictional forces for introducing the variable-position, longitudinally oriented formation and the bending of the hollow profile will not be too large.
  • a game of a few tenths of a millimeter is provided here.
  • Forming tool on a longitudinally constant cross-section which corresponds to the inner cross-sectional shape of the hollow profile with at least one longitudinally oriented, variable-position formation. This can cause friction in the
  • Shaping tool can be reduced to a minimum, without the precision in the forming of the hollow profile or
  • Annular gap output is not changed during the relative movement in its shape. This will be another
  • the hollow profile blank is during the
  • Hollow section blank during profile feed optionally using a profile feed unit, for manipulating a 3D bending geometry, and the annular gap tool for
  • the method can be further improved by retracting the inner die of the forming tool toward the annular slot entrance during the bending operation. This allows the bending of the deformed hollow profile by positioning a mandrel ball of a bending mandrel
  • the hollow profile blank is guided by using a guide sleeve, which is axially adjustable, for example, and an inner mandrel shaft during the relative movement of hollow profile blank and annular gap tool, so that a further increase in process reliability is achieved.
  • the inner die of the annular gap tool which is usually held via a mandrel tie rod, can be fastened to the mandrel shaft of the guide sleeve.
  • Ring gap tool can be connected to the guide sleeve.
  • the annular gap inlet and the annular gap outlet also have inflow or outflow curves, which reduce the friction or the threading of the hollow profile blank into the
  • Active areas of the dies or the bending mold and optionally the bending mandrel e.g. made of tungsten carbide, hardened steel,
  • Metal ceramics or similar metals These lead to a reduced wear of the dies and bending forms used.
  • variable-position, longitudinally oriented formations in the hollow profile by a driven rotation of the outer die of the
  • Annular gap tool can be performed using a drive unit.
  • the inner die is preferably freely rotatably mounted on a mandrel tie rod, so that it can follow the rotation of the outer die.
  • the bending mold can be freely rotatably mounted to follow the formation, which has been introduced by the annular gap tool in the hollow profile blank.
  • the bending mold can be arranged freely rotating or
  • Hollow profile blanks are freely adjustable.
  • the articulated usually with small bending axes usually
  • the hollow profile produced according to the invention is part of a vehicle body, an A pillar with subsequent roof frame of a motor vehicle or a profile of a stairlift chair guide.
  • Corresponding hollow profiles, which can be used for any purpose are, in which storable, longitudinally oriented
  • Moldings play a crucial role in a simple way with the method according to the invention
  • Device used comprising: a forming tool, which at the entrance the
  • Axial direction between the forming tool and the profile or hollow profile blank preferably one
  • Shaping tool are actively rotatable relative to each other.
  • the device according to the invention can be improved according to a first embodiment in that a bending mold with an optional bending mandrel is provided at the outlet of the forming tool. With the invention further configured device then curved profiles or hollow profiles with a longitudinally oriented,
  • At least one longitudinally oriented, variable-profile shaping profiles or hollow profiles are made in a simplified manner from profile or hollow profile blanks produced by - an annular gap tool with an inner and a
  • Annular column output of the annular gap tool are arranged downstream, wherein the bending mold and optionally the bending mandrel form an annular gap and are arranged such that a bending of the formed by the annular gap tool hollow profile blank,
  • the bending mold is arranged such that the angle between the axial axis of the bending mold and the
  • Radius of curvature of the profile or hollow profile before and / or during the forming is variably adjustable. This ensures that different radii of curvature can be realized in the profile or hollow profile to be produced.
  • a next embodiment of the device according to the invention ensures a particularly process-reliable and gentle forming process in that the annular gap of the annular gap tool is shaped such that during the introduction of the at least one formation in the hollow profile blank, the circumference of the hollow profile blank by a maximum of +/- 25 %, preferably by a maximum of +/- 15% changes.
  • the forces necessary for the deformation can be minimized in this way.
  • Ring gap tool is achieved by a
  • the outer die of the annular gap tool is divided and can be opened.
  • the inner die of the annular gap tool has outer dimension, which is smaller or are equal to the inner dimensions of the hollow profile blank, on.
  • Ring column input is positioned.
  • the inner mandrel shaft may be formed integrally with the inner die of the annular gap tool.
  • outer die is undivided, inner die and outer die, for example using a die
  • Starting position can be positioned in front of the annular gap input before the outer die is pushed back over the inner die to form the annular gap tool.
  • an adapted to the hollow profile blank can ⁇ pressure or pull piece be provided which detects the end face of the hollow profile blank at one end and is capable of the hollow profile blank through the annular gap tool and
  • Cross-sectional shape is brought with at least one variable position, longitudinally oriented shape.
  • a profile feed unit is provided with a profile feed carriage, so that the
  • Annular gap tool and / or the bending mold can be formed stationary at least in the axial direction.
  • the bending mold may additionally be in the axial direction
  • the outer and the inner die are axially adjustable in combination with the mandrel shaft and the guide sleeve.
  • the profile pushing unit can also be equipped with means for rotating the hollow profile blank, so that the relative axial rotation between the hollow profile blank and the annular gap tool for introducing the variable position, longitudinally oriented formations in the hollow profile blank by the profile orschubiata completely or partially
  • the outer die of the annular gap tool and / or the bending mold have a drive for axial rotation.
  • a driven rotation of the outer die is the
  • the inner drop of the Ring gap tool can be freely rotatably mounted in this case, follow the rotation of the outer die without much effort.
  • a guide sleeve and a mandrel shank for guiding the hollow profile blank are arranged in front of the annular gap tool, wherein optionally the inner die of the
  • Annular gap tool is freely rotatably mounted on the mandrel shaft.
  • the guide sleeve and the mandrel shaft allows improved guidance of the
  • the inner die can be easily attached to the mandrel shaft.
  • the inner die is preferably rotatable on the inner
  • the bending mandrel is rotatably mounted at the exit of the annular gap tool on the inner die, so that it can follow the rotation of the formations of the hollow profile in the case of a rotatable outer die.
  • lunettes can provide support of the hollow profile blank, which preferably between profile feed unit and annular gap tool
  • the active surfaces of the outer and inner die of the annular gap tool and optionally the active surfaces of the bending mold and / or optionally of the bending mandrel are arranged.
  • the active surfaces of the outer and inner die of the annular gap tool and optionally the active surfaces of the bending mold and / or optionally of the bending mandrel are arranged.
  • hardened steel, carbide, cermet or similar metals to optimize the forming process and to minimize wear.
  • the device can be further developed in that the annular gap tool, the bending mold with optional bending mandrel, the means for carrying out the
  • Annular gap tool the means for rotating the outer die of the annular gap tool and optionally a
  • Profile feed unit and a guide sleeve are arranged on a profile bending machine.
  • Profile benders usually have recordings for profile feed units and bending forms. In this respect, profile bending machines with little effort to carry out the invention
  • the inner die between the mandrel shaft and mandrel balls of a preferably used Glxederdorns is articulated introduced.
  • a drive adjusts the axial position of the inner die relative to the outer die via the mandrel connected to the mandrel shank of the mandrel to maintain the annular gap.
  • Mandrel balls inevitably adjusted together with the inner die.
  • inner die and mandrel ball can be axially positioned independently of each other. This could be realized, for example, via a two-part mandrel rod, according to the tube-in-tube principle or else by an actuator in the mandrel shaft.
  • This configuration has the advantage that both the inner die for the annular gap and the mandrel balls for an optional position for the inner support in the area of the bending mold can be positioned independently of each other.
  • the mandrel shaft and inner die may be used
  • this unit is freely rotatably mounted to follow the rotation of the outer die.
  • the invention is based on a
  • Fig. 1 is a schematic plan view of the
  • FIG. 2 shows the annular gap tool from FIG. 1 in a perspective view
  • Fig. 3 in a section looks at a comparison
  • Fig. 4 shows the embodiment of a
  • FIG. 6 is a schematic plan view of a
  • Profile bending machine comprising an embodiment of a device according to the invention, Fig. 7a) to d) in a perspective, schematic
  • FIG. 11 is a perspective view of a chair guide profile of a stairlift in a stairway
  • Fig. 1 and Fig. 2 show in each case different
  • Shaping tool in the form of an annular gap tool 1, which consists of an outer die 2 and an inner die 3. Both dies 2, 3 form an annular gap 4, which extends from the annular gap entrance 5 to the annular gap exit 6 in its cross-sectional shape from the cross-sectional shape of
  • FIG. 1 shows the changed in comparison to the Schwarzauerroughsform cross-sectional shape of the annular gap 4.
  • the width of the annular gap 4 is greater than or equal to the wall thickness of the hollow profile blank to be formed.
  • annular gap inlet 5 and at the annular gap outlet 6 inlet and outlet areas are provided which have inlet and outlet curves. This facilitates the threading of the hollow profile blank, for example, in the annular gap inlet 5 and the leakage of the deformed hollow profile blank at the annular gap exit 6.
  • Annular gap output 6 does not change the shape of the
  • Ring gap tool 1 can therefore both according to the first Part of the present invention for the production of hollow profiles with variable position, longitudinally oriented
  • Formations are used as well as for the production of curved hollow profiles with variable position
  • Forming is introduced into a hollow profile, as disclosed for example in the patent DE 38 07 002 Cl, is in the inventive introduction of a
  • Hollow profile blank from the initial shape for example, here in a circle, on a final shape with variable position, in particular longitudinally oriented formations, as here two opposite longitudinally oriented recesses relative to the circular shape is brought.
  • annular gap tool is much simpler structure and may have softer shape transitions, so that a transformation of a hollow profile blank can be made to a hollow profile with variable position, longitudinally oriented formations in a simple manner and without large forming forces.
  • the slope of the longitudinally oriented, variable-position formation ("Turns") over the time-varying rotation of the outer die to actively control.
  • Hollow profile blanks with the annular gap tool 1 the circumference of the hollow section blank not. It follows that the length of the neutral fiber, i. the center line of the sheet thickness of the hollow section blank does not change at all or only within narrow limits preferably +/- 25% or more preferably +/- 15%. The forming work taking place in the sheet metal plane is thereby minimized, so that the forming forces can be further reduced.
  • Fig. 3 shows in a schematic sectional view of the
  • Cross-sectional shapes 7, 8 is identical, so that no work in the sheet thickness plane through the annular gap tool must be made.
  • FIG. 4 Now shows a relation to FIG. 1 and 2
  • Annular gap output 6 input and output areas 5a, 6a which is not a change in shape in the hollow section blank, which in Fig. 4 also not dargestell t: is cause. Due to the fact that the hollow profile blank, in Fig. 4 is not shown, between Dornscha 10 and guide sleeve 9 is performed, the forming process and the introduction of variable position, longitudinally oriented formations in the hollow section blank are made even more process-reliable.
  • the guide sleeve 9 shown in FIG. 4 preferably rotates in order to additionally support the introduction of the positionally variable, longitudinally oriented formations through the annular gap tool.
  • Either the guide sleeve 9 is freely rotatably mounted or can be actively rotated by means of a drive or alternatively by means of a
  • the guide sleeve 9 may also be formed non-rotatable.
  • FIGS. 1 to 4 In order to produce a curved hollow profile with variable position, longitudinally oriented formations, the embodiment shown in FIGS. 1 to 4 is a
  • the embodiment illustrated in FIG. 5 has a device according to the invention for producing bent parts
  • annular gap tool 1 which comprises an outer die 2 and an inner die 3, a
  • Form annular gap 4 which in the initial cross-sectional shape of a hollow section blank at least one longitudinally oriented formation, in this case two opposite,
  • the width of the annular gap 13 is also greater than or equal to the wall thickness of the hollow section blank.
  • the bending mold 11 with its axial axis at an angle to the axial axis of the
  • Fig. 6 shows in a schematic sectional view of another embodiment of an inventive
  • Hohlprofilrohling 16 The means 15 for performing a relative movement in the axial direction of the hollow section blank 16 are in the illustrated matterssbei game by a
  • Profile feed unit 15 provided. As the arrow indicates, the profile feed unit 15 can perform a translational movement to the
  • Hollow section blank 16 as continuously as possible relative to and to move through the annular gap tool 1 or lead.
  • deformed hollow section blank 16 continues in the direction of bending mold 11 and the mandrel 12th
  • Mandrel shaft 10 The bending mold 11 is preferably so
  • Hollow profile blanks can be adjusted before bending.
  • the angle ⁇ can be in any direction perpendicular to
  • Axial axis of the annular gap tool can be adjusted. As indicated by the arrows on the annular gap tool 1 and on the bending mold 11, the bending mold 11 rotates with the
  • the mandrel 12 is constructed segment-like. The individual segments are preferably
  • Bending angle which takes the bending mold 11 with respect to the axial axis of the annular gap tool, may follow.
  • the bending mandrel 12 is preferably rotatably attached to the inner tool 3 of the annular gap tool 1.
  • the means for performing a relative rotation about the axial axis of the annular gap tool, the bending shape relative to the hollow profile blank are shown schematically in Fig. 6 by the reference numerals 17 and 18.
  • a specifically designed pressure part 15a is indicated, which allows the hollow profile blank 16 can be completely transformed in its cross-sectional shape.
  • the device just described is arranged on a profile bending machine 19, FIG. 6.
  • Profile bending machines 19 usually already have means for setting a bending angle and for carrying out translatory movements, for example a
  • Support hollow section blank 16 from the outside.
  • Other suitable proppant can be used. Is the moving?
  • Profile feed unit 15 in the direction of the annular gap tool 1, this presses the hollow profile blank 16 through the annular gap of the annular gap tool 1 therethrough.
  • a positionally variable, longitudinally oriented formation 23 is introduced into the hollow profile blank 16.
  • the at least one formation exhibits hollow profile 21 and runs directly into the bending mold 11, which likewise follows the rotation of the annular gap tool via the means 17.
  • the bending mold 11 bends the incoming hollow section 21 according to the set bending angle to a curved hollow profile 22, which has positionally variable, in particular longitudinally oriented formations 23.
  • FIG. 7 The individual method steps are shown in FIG. 7 according to an exemplary embodiment.
  • Figs. 7a) to d) is a guide sleeve 9, the annular gap tool 1 and the
  • ⁇ f (z (t)), with z (t): profile feed in the axial direction.
  • Gesenk be controlled in order to obtain the desired course of the formations in the hollow profile.
  • longitudinally oriented recesses 23 shows Fig. 8 in a schematic, perspective view.
  • Shapings 23 may, for example, as a profile for
  • the hollow profile 22 is shown schematically in FIG. 10 in a side view of a vehicle body.
  • the A-pillar 25, which also forms part of the roof frame, usually also has variable position, longitudinally oriented formations, on the one hand the stability requirements of an A-pillar and the stability requirements of
  • FIG. 11 shows another one
  • Embodiment of a forming tool in a perspective view which consists of an outer
  • the outer die 2 at the annular gap outlet 6 has the outer cross-sectional shape of the hollow profile to be produced, including the formations.
  • the outer die has the cross-sectional shape of the profile or hollow profile blank, in the present case a circular cross-section.
  • the inner die 3 has a longitudinally constant cross-section, which corresponds to the inner cross-sectional shape of the deformed profile or hollow profile.
  • the friction can be significantly reduced if the shaping characteristic of the forming tool continues to be given, so that, for example, lower feed forces are required for the forming.
  • the process reliability of the forming process can be improved because wrinkling of the profile or hollow profile blank is counteracted by the reduced feed forces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

L'invention concerne un procédé et un dispositif destinés à fabriquer, à partir d'une ébauche de profilé (16), des profilés présentant au moins une protubérance (23) qui s'étend en longueur et dont la position est variable. Ceux-ci peuvent être fabriqués d'une manière simple en mettant en œuvre un procédé comprenant les étapes de procédé suivantes : • - préparer un outil de formage (1) présentant à l'entrée une section dont la forme correspond à une ébauche de profilé ou de profilé creux (16) et à la sortie une section dont la forme a été modifiée de manière à ce qu'elle comporte au moins une protubérance (23), • - positionner une ébauche de profilé ou de profilé creux (16) à l'entrée dudit outil de formage, • - déplacer l'outil de formage (1) et l'ébauche de profilé ou de profilé creux (16) l'un par rapport à l'autre dans un sens axial tout en tournant l'outil de formage (1) et l'ébauche de profilé ou de profilé creux (16) l'un par rapport à l'autre autour d'un axe axial de l'outil de formage (1), du profilé ou du profilé creux (16), la rotation de l'outil de formage (1) et/ou de l'ébauche de profilé creux (16) étant réalisée en mettant en œuvre au moins un moyen actif (17, 18), l'outil de formage (1) permettant ainsi de doter l'ébauche de profilé ou de profilé creux (16) d'une protubérance (23) dont la position est variable.
EP12787719.9A 2011-11-15 2012-11-15 Procédé et dispositif de fabrication de profils dotés d'une déformation variable selon la position et orientée en longueur Active EP2780126B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12787719.9A EP2780126B1 (fr) 2011-11-15 2012-11-15 Procédé et dispositif de fabrication de profils dotés d'une déformation variable selon la position et orientée en longueur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11189248.5A EP2594346A1 (fr) 2011-11-15 2011-11-15 Procédé et dispositif de fabrication de profils dotés d'une déformation à position variable et orientée en longueur
EP12787719.9A EP2780126B1 (fr) 2011-11-15 2012-11-15 Procédé et dispositif de fabrication de profils dotés d'une déformation variable selon la position et orientée en longueur
PCT/EP2012/072728 WO2013072414A1 (fr) 2011-11-15 2012-11-15 Procédé et dispositif destinés à la fabrication de profilés présentant une protubérance qui s'étend en longueur et dont la position est variable

Publications (2)

Publication Number Publication Date
EP2780126A1 true EP2780126A1 (fr) 2014-09-24
EP2780126B1 EP2780126B1 (fr) 2016-04-13

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EP11189248.5A Withdrawn EP2594346A1 (fr) 2011-11-15 2011-11-15 Procédé et dispositif de fabrication de profils dotés d'une déformation à position variable et orientée en longueur
EP12787719.9A Active EP2780126B1 (fr) 2011-11-15 2012-11-15 Procédé et dispositif de fabrication de profils dotés d'une déformation variable selon la position et orientée en longueur

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EP11189248.5A Withdrawn EP2594346A1 (fr) 2011-11-15 2011-11-15 Procédé et dispositif de fabrication de profils dotés d'une déformation à position variable et orientée en longueur

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EP (2) EP2594346A1 (fr)
ES (1) ES2577835T3 (fr)
WO (1) WO2013072414A1 (fr)

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CN104259277B (zh) * 2014-09-22 2017-06-30 倪慨宇 一种用于弯曲薄壁型材的塑性约束构件

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DE3807002C1 (fr) 1988-03-01 1989-04-27 Mannesmann Ag, 4000 Duesseldorf, De
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DE102005013750B3 (de) * 2005-03-22 2006-11-30 Mewag Maschinenfabrik Ag Vorrichtung zum Freiformbiegen von Längsprofilen, insbesondere Rohre, sowie kombinierte Vorrichtung zum Freiformbiegen und Ziehbiegen von Längsprofilen, insbesondere Rohren
DE102009025988A1 (de) * 2009-06-17 2010-12-30 Mewag Maschinenfabrik Ag Vorrichtung und Verfahren zum Freiformbiegen von Profilen

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WO2013072414A1 (fr) 2013-05-23
EP2594346A1 (fr) 2013-05-22
ES2577835T3 (es) 2016-07-19

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