WO2008113562A1 - Verfahren und vorrichtung zum profilbiegen - Google Patents
Verfahren und vorrichtung zum profilbiegen Download PDFInfo
- Publication number
- WO2008113562A1 WO2008113562A1 PCT/EP2008/002171 EP2008002171W WO2008113562A1 WO 2008113562 A1 WO2008113562 A1 WO 2008113562A1 EP 2008002171 W EP2008002171 W EP 2008002171W WO 2008113562 A1 WO2008113562 A1 WO 2008113562A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- roller
- bending
- longitudinal axis
- roller system
- components
- Prior art date
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
- B21D7/04—Bending rods, profiles, or tubes over a movably-arranged forming menber
-
- 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
Definitions
- the invention relates to a method and a device for two- and three-dimensional bending of rod-shaped components such as pipes or profiles, by a device according to the preamble of claims 1 and 22.
- any rod-shaped components can be bent in two or three dimensions.
- any desired profiles can be bent two- or three-dimensionally, with the total length of the tubes or profiles not being limited by the construction of the device according to the invention.
- the invention according to claim 1 relates to a method of bending rod-shaped members having a longitudinal axis, such as e.g. Tubes or profiles in which the propulsion of the pipe or profile through the machine via a first roller system A, the transport rollers, frictionally engaged.
- a second roller system B At the output of the machine, a second roller system B, the bending rollers, arranged.
- the roller system A As a drive tilting or distortion of a component between a pusher and Biegehülsen, as they occur in known devices avoided.
- Due to the longitudinal axis parallel feed in the roller system A a forming zone is fixed discreetly between the roller systems A and B. Interactions with applied over the entire component voltages and associated variations in the deformation can no longer occur in the process of the invention.
- the rollers of the roller system A can be arranged in a plane, or they can be arranged distributed around the tube or profile cross-section, wherein they partially or completely enclose them.
- the introduction of force takes place via a plurality of rollers lying next to and / or behind one another on the component.
- rollers on the pipe or profile exerting a force acting substantially perpendicular to the pipe or profile longitudinal axis force to improve the frictional propulsion.
- the rollers may be profiled and / or have a coating which optimizes the frictional contacts.
- roller profiling which are pressed elastically onto the component surface, the holding force of the roller system A is advantageously increased.
- elastic coatings the pressure force is distributed more evenly and a plastic deformation of the Component in the roller system A preferably avoided at superimposed shear forces.
- Such a coating may consist of a polymer. In a particularly advantageous embodiment, it consists of a vulcanized layer of an eiasmomer.
- a bent components can be provided with a constant production speed.
- This production can be integrated particularly advantageous in clocked, continuous production processes.
- the roller drive system components of any length can be presented at a constant speed.
- the second roller system B At the output of the machine, the second roller system B, the bending rollers, arranged.
- the roller system B consists of pairs arranged around the pipe or profile circumference rollers.
- the entire roller system B is disposed on an independent support system and movable relative to the roller system A in at least a first plane.
- the bend of the tube or profile is made by changing the relative position of the roller systems A and B to each other while the tube or profile is being transported by the roller systems.
- a transverse force is preferably distributed uniformly over the component cross section.
- a tangential support of the roller system B is guaranteed on the component. Rollers with a larger contact surface are tracked during bending in tangential alignment of the support surface to the component surface. Tilting of the component between the roller systems A and B is thus safely avoided.
- the bending of 2D contours already allows a mobility of the roller system B in one axis, the bending of 2D contours.
- S-shaped planar contours are possible by a corresponding positioning of the roller system B to the fixed roller system A.
- the roller systems enclosing the rod-shaped component have adjusting mechanisms.
- the roll systems can be be adjusted by each adjustable in their distance from the longitudinal axis rollers on components with asymmetrically profiled sections having different cross-sections.
- Such structured sections can be bent in sections, adjusting the roller systems to the changed component cross-section directly, without lengthy replacement of roles.
- the contact pressure of the rollers can be adjusted to ensure a frictional transport in the roller system A.
- the rollers of the roller system B are thereby preferably set to a low coefficient of friction, which additionally favors the sliding of the component along the preferably tangentially guided bearing surfaces of the rollers.
- the rollers of the roller system B are likewise drivable.
- the drive of the component takes place at an angle ⁇ to the longitudinal axis of the rod-shaped component.
- About frictional contact in the roller bearing surfaces can be superimposed by increased or reduced propulsion of the roller system B in the forming zone between the roller systems an additional tensile or compressive stress.
- the roller system B in a further plane, which is aligned at right angles to the first plane, by a rotational angle ß rotatable.
- the rotation angle ⁇ is varied in the process of the roller system so that the Aufiagefiäcricn the rollers are guided tangentially to Baui ⁇ üüb ⁇ i surface.
- the roller systems A and / or B are each rotatable about the profile longitudinal axis by corresponding rotary mechanisms.
- the bending plane can be rotated about the profile longitudinal axis, whereby a third plane can be influenced and 3D-curved components can be produced.
- all possible space curves can be generated. That is, in this embodiment, bends in all three spatial directions are already possible through the use of only two driven axles.
- the first axis moves the roller system at the exit of the machines and thus generates the bending of the profile. Due to the rotation of the roller systems A and B, the second axis makes it possible to change the bending planes and thus the bending of 3D contours.
- An advantage of this device is that, in contrast to the previously described free-form bending machines, the profile with respect to the machine always comes in only one plane from the roller system. For a measurement of the profile during the process therefore relatively simple systems that record only 2 D coordinates are sufficient. If the position of the last pair of rollers is taken to ensure that the profile is tangential to the system, even only a 1-D measurement of the exiting profile is sufficient to detect the entire contour.
- the determined data are fed back into the control unit of the machine and thus allow a controlled process which determines the fluctuations in the bending behavior of the semi-finished products with respect to a yef ⁇ äü ⁇ r ⁇ contour ⁇ r ⁇ Q ⁇ it.
- D ⁇ i istate is particularly advantageous when characteristic relationships between the setting values of the machine axes and the bending result are stored in a database and taken into account by the control program during operation.
- the corresponding foundations for the relationships between the setting values of the machine axes for controlling profile bending processes are shown.
- a torsional moment is introduced in the bending device according to the invention in the bending zone between the roller system A and the roller system B.
- a Torsionssecures appreciatedlagerung or counteract the asymmetrical profile cross sections of the unwanted torsion.
- the axis of rotation of the machine is set around the profile longitudinal axis at different angles in the outlet roller system and in the other roller systems. This can be done, as with all moving axes of the machine, by manual or NC control of the drive axles, which may be electrical or hydraulic.
- a mandrel system is mounted, which comprises a mandrel, e.g. holds in a mandrel-like design, in the forming zone of the process and so the occurrence of cross-sectional deformations z. B. may occur in hollow sections, reduced.
- Figure 1 Overall view of the device with an enlargement of the roller system B with a clamped Profii during bending in a plane
- Figure 2 Longitudinal section of the bending device with the delimitation of the assemblies of the two roller systems A and B.
- Figure 3 front view of the device at a bend in a plane.
- Figure 4 Top view of the device in a bend in a plane.
- FIG. 6 Front view of the bending plane change and direction change.
- FIG. 7 Top view of a device with a tactile contour sensor.
- FIG. 8 Basic structure for controlling a bending process
- FIG. 9 shows a bending device according to the invention with a cutting tool extension for flying separation
- Fig. 1 shows an exemplary embodiment of the invention.
- two profiled roller pairs 1 have been arranged one behind the other for the axial drive of the profile 2.
- These pairs of rollers are arranged on a housing 4, in which the corresponding drive of all roles and a mechanism for adjustment and
- the roller system 3 which is located at the outlet of the machine is executed like a die and encloses the profile cross-section of four sides by means of bending rollers 3a, b, c, d. It can also be adjusted radially when changing the profile type to the corresponding profile cross-section. This system is in this
- Embodiment also able to perform the rotation about the longitudinal axis of the profile to be bent with, and is also driven. This allows in this embodiment, in addition to the change of the bending plane, the introduction of a
- the axis of rotation perpendicular to the longitudinal axis of the profile is required to maintain the tangency of the
- Bend radius is achieved by the method of the carriage 10 on the linear axis 11, which generates the bending radius by its relative position.
- Fig. 2 is a sectional view of the exemplary embodiment of the invention.
- the assembly with the transport rollers 1 is denoted by A there, the entire assembly with the bending rollers 3a, 3b, 3c, 3d with B.
- Fig. 3 is a front view of the device, in which the sectional profile of Fig. 2 is shown, with the bending rollers 3a, 3b, 3c, 3d shown.
- Fig. 4 shows a plan view of the system, in which the machine setting of the bending roller assembly for bending a left bend with the radius R1 and the angle ⁇ is drawn.
- a change of the bending plane is illustrated.
- a new radius R2 is bent in a new bending direction and bending plane in the profile 2 likewise twisted about the longitudinal axis.
- a tactile contour sensor 12 is further attached by way of example at the exit of the roller, which tracks the bends with a roller and the profile during the process missing. This makes it possible to correct the setting parameters of the machine axes in order to arrive at the required bending contour.
- profile-specific material properties can also be determined with the device and the method according to the invention and the data obtained can be used for accurate process simulation and improved process planning. This is done advantageously in that in the pairs of rollers A and / or B sensors for measuring the forces and moments occurring during bending and twisting of the profile are arranged. From this and optionally in conjunction with the data determined by the aforementioned contour sensor, the profile-specific material data required for process simulation or improved process planning can be determined by means of conventional programs.
- FIG. 8 To clarify the structure of a sensor system, a process planning tool is shown schematically in FIG. 8 as a block diagram. After that
- Profile 2 leaves the roller system 3, its bending contour is detected via the contour sensor 12 while the bending radius R b via line 12 a in a process computer 13 is entered. Further, on the carriage (10) arranged bending moment encoder 14 is the
- M t becomes the process data for an accurate process simulation
- An additional extension and improvement of the device according to the invention is achieved by the use of a special cutting tool for flying Disconnect allows.
- This additional device is particularly useful for applications in which very long semi-finished products (profile 2 in the example) used or manufactured by coil profiles are processed.
- Figure 9 shows such a cutting tool for flying separation, which is installed at the end of the device according to the invention in the region of the bending rollers 3a, b, c, d of the roller system 3.
- the flying-off cutting tool illustrated in FIG. 9 is to be regarded as an exemplary solution.
- the movement of the extendable cutting blade 16 is initiated via a cutting hydraulic cylinder 17.
- the cutting tool can not only be realized in the form of a shear cut, but also in the form of a cutting tool with rotating tool movement, with effect of several sides or by a cutting or thermal cutting process. It is advantageous that the orientation of the cutting tool is always carried tangentially to the profile contour. Also, the fixed installation at the end of the bending device makes sense, since it allows a flying cut during the process without consuming entraining devices.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020097021793A KR101478852B1 (ko) | 2007-03-20 | 2008-03-19 | 프로파일 벤딩용 방법 및 장치 |
US12/532,041 US9227236B2 (en) | 2007-03-20 | 2008-03-19 | Method and device for profile bending |
JP2009553966A JP5460338B2 (ja) | 2007-03-20 | 2008-03-19 | 棒状部材を曲げ加工するための方法及び装置 |
CN200880008824.6A CN101707940B (zh) | 2007-03-20 | 2008-03-19 | 杆状部件弯曲方法及设备和由该方法生产的杆状弯曲部件 |
EP08734653A EP2144720B1 (de) | 2007-03-20 | 2008-03-19 | Verfahren und vorrichtung zum profilbiegen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007013902.2 | 2007-03-20 | ||
DE102007013902A DE102007013902A1 (de) | 2007-03-20 | 2007-03-20 | Vorrichtung zum Profilbiegen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008113562A1 true WO2008113562A1 (de) | 2008-09-25 |
Family
ID=39433940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/002171 WO2008113562A1 (de) | 2007-03-20 | 2008-03-19 | Verfahren und vorrichtung zum profilbiegen |
Country Status (7)
Country | Link |
---|---|
US (1) | US9227236B2 (de) |
EP (1) | EP2144720B1 (de) |
JP (1) | JP5460338B2 (de) |
KR (1) | KR101478852B1 (de) |
CN (1) | CN101707940B (de) |
DE (1) | DE102007013902A1 (de) |
WO (1) | WO2008113562A1 (de) |
Cited By (5)
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WO2010105875A1 (de) | 2009-03-20 | 2010-09-23 | Robert Bosch Gmbh | Elektrische maschine |
JP2011025314A (ja) * | 2009-06-30 | 2011-02-10 | Sumitomo Metal Ind Ltd | 補正機能を有する屈曲部材の製造装置および屈曲部材の製造方法 |
CN102306009A (zh) * | 2011-04-21 | 2012-01-04 | 中国电子科技集团公司第十四研究所 | 拟合渐进成形控制系统及其方法 |
JP2013505140A (ja) * | 2009-09-21 | 2013-02-14 | シェイプ・コープ | 三次元スイープユニットを備えるロール成形機及び方法 |
TWI726566B (zh) * | 2020-01-02 | 2021-05-01 | 穎漢科技股份有限公司 | 退彎模擬方法及退彎模擬系統 |
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DE102009025988A1 (de) * | 2009-06-17 | 2010-12-30 | Mewag Maschinenfabrik Ag | Vorrichtung und Verfahren zum Freiformbiegen von Profilen |
DE102009045640A1 (de) * | 2009-10-13 | 2011-04-14 | Sandvik Materials Technology Deutschland Gmbh | Aufwickelvorrichtung |
CA3082418C (en) | 2011-12-05 | 2024-01-16 | Dignity Health | Surgical rod bending system and method |
JP5986770B2 (ja) * | 2012-03-29 | 2016-09-06 | 矢崎総業株式会社 | 電線及び金属線材の製造方法 |
DE102012219639A1 (de) | 2012-05-31 | 2013-12-05 | Kunststoff-Technik Scherer & Trier Gmbh & Co. Kg | Verfahren zum Rollbiegen eines Profils, Profil, Verfahren zur Herstellung gebogener Profilwerkstücke, gebogenes Profilwerkstück, Vorrichtung zum Rollbiegen eines Profils sowie Extrusions- und Rollbiegelinie |
ITTO20130936A1 (it) * | 2013-11-19 | 2015-05-20 | Cte Sistemi Srl | Gruppo di misura per misurare il raggio di curvatura e l'avanzamento in una macchina curvatrice, in particolare in una macchina curvatrice per la curvatura di conduttori per bobine superconduttive |
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CN104492886B (zh) * | 2014-12-18 | 2017-06-16 | 芜湖通和汽车管路系统股份有限公司 | 一种管路弯曲机 |
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CN106862330B (zh) * | 2017-03-14 | 2018-09-14 | 南京航空航天大学 | 异形截面金属空心构件六轴自由弯曲成形装备及工艺解析方法 |
CN106944511B (zh) * | 2017-05-19 | 2018-08-14 | 东莞市贝斯特热流道科技有限公司 | 一种热流道发热管自动弯管成型的控制方法 |
CN108687173B (zh) * | 2018-05-04 | 2019-08-16 | 龙元明筑科技有限责任公司 | 一种钢结构施工用角钢弯折机 |
DE102018132454A1 (de) * | 2018-12-17 | 2020-06-18 | Auto-Kabel Management Gmbh | Verfahren und Vorrichtung zur Herstellung eines elektrischen Leiters |
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US11359980B2 (en) * | 2019-08-26 | 2022-06-14 | British Columbia Hydro And Power Authority | Device and method for measuring a load applied by an elongate member |
CN111014377A (zh) * | 2019-12-25 | 2020-04-17 | 曲阜师范大学 | 一种带防滑装置的智能化型材弯曲机 |
CN112192686A (zh) * | 2020-10-09 | 2021-01-08 | 曹玉宝 | 一种竹子弯曲定型装置 |
CN113210472B (zh) * | 2021-05-11 | 2023-07-28 | 湖北省森瑞达钢化玻璃科技有限公司 | 一种中空玻璃边角铝条快速折弯机及中空玻璃加工方法 |
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2007
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-
2008
- 2008-03-19 US US12/532,041 patent/US9227236B2/en not_active Expired - Fee Related
- 2008-03-19 CN CN200880008824.6A patent/CN101707940B/zh not_active Expired - Fee Related
- 2008-03-19 WO PCT/EP2008/002171 patent/WO2008113562A1/de active Application Filing
- 2008-03-19 KR KR1020097021793A patent/KR101478852B1/ko active IP Right Grant
- 2008-03-19 JP JP2009553966A patent/JP5460338B2/ja not_active Expired - Fee Related
- 2008-03-19 EP EP08734653A patent/EP2144720B1/de not_active Not-in-force
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WO2010105875A1 (de) | 2009-03-20 | 2010-09-23 | Robert Bosch Gmbh | Elektrische maschine |
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CN102306009A (zh) * | 2011-04-21 | 2012-01-04 | 中国电子科技集团公司第十四研究所 | 拟合渐进成形控制系统及其方法 |
TWI726566B (zh) * | 2020-01-02 | 2021-05-01 | 穎漢科技股份有限公司 | 退彎模擬方法及退彎模擬系統 |
Also Published As
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JP2010521315A (ja) | 2010-06-24 |
US9227236B2 (en) | 2016-01-05 |
JP5460338B2 (ja) | 2014-04-02 |
EP2144720B1 (de) | 2013-01-30 |
EP2144720A1 (de) | 2010-01-20 |
CN101707940A (zh) | 2010-05-12 |
DE102007013902A1 (de) | 2008-09-25 |
KR20090127932A (ko) | 2009-12-14 |
US20100116012A1 (en) | 2010-05-13 |
KR101478852B1 (ko) | 2015-01-02 |
CN101707940B (zh) | 2014-03-19 |
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