EP3253507B1 - Dispositif de pliage avec instrument de mesure - Google Patents

Dispositif de pliage avec instrument de mesure Download PDF

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Publication number
EP3253507B1
EP3253507B1 EP16709678.3A EP16709678A EP3253507B1 EP 3253507 B1 EP3253507 B1 EP 3253507B1 EP 16709678 A EP16709678 A EP 16709678A EP 3253507 B1 EP3253507 B1 EP 3253507B1
Authority
EP
European Patent Office
Prior art keywords
press
sensor
production device
press beam
laser
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.)
Not-in-force
Application number
EP16709678.3A
Other languages
German (de)
English (en)
Other versions
EP3253507A1 (fr
Inventor
Johann Mayrhofer
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.)
Trumpf Maschinen Austria GmbH and Co KG
Original Assignee
Trumpf Maschinen Austria GmbH and Co KG
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 Trumpf Maschinen Austria GmbH and Co KG filed Critical Trumpf Maschinen Austria GmbH and Co KG
Publication of EP3253507A1 publication Critical patent/EP3253507A1/fr
Application granted granted Critical
Publication of EP3253507B1 publication Critical patent/EP3253507B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/006—Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0272—Deflection compensating means

Definitions

  • the invention relates to a manufacturing device, in particular a press brake, and a method for forming workpieces made of sheet metal according to the preambles of claims 1 and 17.
  • the invention has for its object to provide a bending method or a bending device with which even at comparatively large bending lengths a deflection of the press bars can be compensated with a higher reliability.
  • the object of the invention is achieved by a production device, in particular a press brake, for forming a workpiece from sheet metal with a press table and a press table opposite and parallel to the press bar.
  • the pressing beam is adjustable relative to the press table by means of a drive device in a direction perpendicular to a longitudinal extension of the press beam, wherein the drive device comprises at least three drive units, which are distributed over the longitudinal extent of the press beam.
  • a measuring device for measuring the instantaneous position of individual points on the pressing beam and a control device for adapting a deformation of the pressing beam is formed, wherein the measuring device comprises a laser transmitter for generating a aligned in the longitudinal extent of the press beam laser beam.
  • the measuring device comprises a plurality of sensor arrangements for detecting the laser beam, wherein the sensor arrangements are fastened to the pressing beam.
  • the sensor arrangements each comprise a spatially resolving sensor for detecting the laser beam.
  • the sensor arrangements each comprise a CCD sensor. This has the advantage of a high accuracy of the position measurement, since no moving parts are required or available in the measuring device.
  • the sensors are arranged laterally offset with respect to the propagation direction of the laser beam and perpendicular to the direction of movement of the press beam to each other.
  • the laser transmitter comprises an optical element for forming a plurality of parallel laser beams or for forming a flat laser light band.
  • the sensor arrangements each comprise a line sensor according to the principle of a CCD sensor.
  • the sensor arrangements each comprise an optical element for deflecting the laser beam in a direction parallel to the direction of movement of the pressing beam or that the sensor arrangements each have a mirror. This is advantageous because it allows the laser light beam path to be designed to save space with a narrow or small cross-section.
  • the mirror is designed as a plane mirror and this is aligned inclined with respect to the propagation direction of the laser beam by 45 °.
  • the sensor arrangements are each formed with a beam splitter element. This has the advantage that only one laser beam must be provided and the cross section of the beam path can be kept correspondingly small.
  • the sensors of the sensor arrangements are each attached to a mechanical guide. This also has the advantage that only one laser beam must be provided, in the course of which the sensors can be moved alternately into it.
  • the measuring device comprises a spatially resolving sensor and a plurality of convex mirrors or concave mirrors for reflecting the laser beam toward the spatially resolving sensor, wherein the convex or concave mirrors are attached to the pressing beam. This also allows a space-saving design of the measuring device.
  • a control arrangement is arranged and the control device is designed to calculate a change in position at the location of the respective sensor from measurement signals transmitted by the sensor. This has the advantage that thus in the manufacturing facility the formation of a control loop is possible through which the straightness of the press bar can be monitored and maintained.
  • the laser transmitter is attached to a guide element, wherein the guide element is guided on a part of the machine frame and is adjustable together with the pressing beam.
  • the object of the invention is solved independently by a method for forming a workpiece from sheet metal with a manufacturing device, in particular a press brake, with a press table and the press table opposite and aligned parallel to the press bars.
  • the pressing beam is adjustable relative to the press table by means of a drive device in a direction perpendicular to a longitudinal extension of the press beam direction, wherein the drive device is formed with at least three drive units and these drive units are distributed over the longitudinal extent of the press beam.
  • a measuring device for measuring the instantaneous position of individual points is arranged on the pressing beam, wherein the measuring device is formed with a laser transmitter for generating a laser beam aligned in the longitudinal extent of the pressing beam.
  • a position change relative to the laser beam is detected at a plurality of locations of the press beam with spatially resolving sensors arranged at the locations and further that values of the position change are calculated in a control device from measurement signals transmitted by the sensors.
  • the Fig. 1 shows a press brake in frontal view.
  • the press brake 1 serves as a manufacturing device for the forming of a tabular workpiece 2, for example, to a housing part or a profile part.
  • the press brake 1 comprises as a machine frame 3, a frame-shaped arrangement of a bottom plate 4, a left and a right upright sidewall 5, 6 and a two side bolsters 5, 6 in their upper end region supporting cross-dressing 7.
  • a fixed press table 8 is arranged in a lower end of the machine frame 3.
  • a die 9 is arranged on the press table 8 .
  • a guide assembly 12 is connected to one of the two stator side walls 5, 6 respectively.
  • the pressing beam 11 carries on a press table 8 opposite support surface 13 a male part 14 as the upper bending tool.
  • a drive arrangement which comprises four drive units 15 according to this embodiment.
  • the drive units 15 may be formed for example by hydraulic cylinders or servomotors with adjusting spindles. With the help of the drive units 15, the pressing beam 11 is moved against the press table 8, whereby in the sequence lying between the die 9 and the male part 14 workpiece 2 is bent.
  • the action of the deformation forces on the workpiece 2 is accompanied in response to the formation of an internal stress state of both the press table 8, the press beam 11 and the components of the machine frame 3. It can therefore lead to a more or less large deformation of the parts of the machine frame. 3 and in particular of the press bar 11 and the press table 8 come.
  • the support surface 13 of the press bar 11 and the support surface 10 of the press table 8 is important.
  • two drive units 16 are also arranged on the press table 8. These drive units 16 are supported on the bottom plate 4 and it is thus possible to act on two support points a force on the press table 8. This should also in the press table 8 as far as possible compensation of the deformation of its support surface 10 can be achieved.
  • this includes a control device 17.
  • a measuring device 18 for measuring the deflection of the press bar 11 is provided.
  • the Fig. 2 shows the press brake 1 during the Umbiegevorgangs of the workpiece 2.
  • the male part 14 is in an already partially penetrated into the die 9 position and therefore appears after the workpiece 2 in its front, the viewer facing area after bent upside down.
  • a bending line 19 is also shown in dotted line, as in approximately a deformation of the support surface 13 of the press bar 11 - when applying equally large forces by the drive units 15 of the drive assembly of the press bar 11 - corresponds.
  • a bending line 20 of the press table 8 is located on the press table 8.
  • the press brake 1 is designed so that with the aid of the measuring device 18, the deflection or the curvature of the bending line 19 of the press bar 11 is measured and based on the extent of the deflection of the bending line 19, the drive units 15 of the press bar 11 are driven so differently that the curved bending line 19 is compensated or reset to a straight line.
  • the Fig. 3 shows the press bar 11 with the measuring device 18 according to a first embodiment.
  • the measuring device 18 comprises a laser transmitter 21 and five sensors 22.
  • the laser transmitter is arranged and aligned such that it can generate a laser beam 23 or a laser beam which is aligned substantially parallel to a longitudinal extent 24 of the press beam 11.
  • the sensors 22 are arranged laterally offset with respect to the propagation direction of the laser beams 23 ( Fig. 5 ), and thus each of the sensors 22 can receive light from the laser transmitter 21.
  • a laser beam 23 is directed by the laser transmitter 21 to each of the five sensors 22.
  • the laser beam 23 could also be cyclically directed from one sensor 22 to the next sensor 22 in a temporally rapid succession.
  • the Fig. 4 shows a frontal view of the arranged on the pressing beam 11 measuring device 18 according to Fig. 3 ,
  • the state of the press bar 11 and the measuring device 18 corresponds to the loading situation when performing a bending operation. This is indicated by the deformation of the support surface 13 to the bending line 19.
  • both the laser transmitter 21 and the sensors 22 are connected to the pressing beam 11 and secured thereto.
  • the sensors 22 thus experience a change in position 25 relative to the laser beam 23 as a result of the general deformation of the press beam 11.
  • the sensors 22 will detect a point of incidence of the laser beam 23 which is changed with respect to the unloaded state.
  • the position change 25 respectively detected by the sensors 22 has the dimension of a length and for detecting these position changes 25 are spatially resolving sensors 22, for example, in the manner of a CCD sensor (charge-coupled device) suitable.
  • CCD sensor charge-coupled device
  • line sensors according to the principle of a CCD sensor are preferably provided as sensors 22.
  • Measurement signals of the individual sensors 22 detected by the measuring device 18 are transmitted to the control device 17 and can be used to evaluate the position changes 25 in this device.
  • the press brake 1 can individually drive the drive units 15 of the drive arrangement of the press beam 11 in such a way that the extent of the position changes 25 at the points of the sensors 22 is reduced and finally fully compensated. In this way it can be achieved that the support surface 13 of the press bar 11 is largely returned to a re-deformed, straight state.
  • the measurement of the deformation state of the press beam 11 is preferably carried out continuously with the aid of the measuring device 18 during the entire machining or forming process of the workpiece 2.
  • an individual control of the drive units 15 of the drive assembly of the press bar 11 is performed, in the press brake 1 a total of a control circuit is formed by the as a result throughout the processing process a largely straight state of the press beam 11 can be maintained at least at its support surface 13.
  • the press table 8 is equipped in an analogous manner with a measuring device 26 for measuring the instantaneous state of deformation of the press table 8.
  • a measuring device 26 for measuring the instantaneous state of deformation of the press table 8.
  • this measuring device 26 can thus also be measured and monitored the deformation state of the press table 8 and in particular the straightness of the support surface 10 of the press table 8.
  • a corresponding control of the drive units 16 can be carried out by the control device 17.
  • Fig. 6 is a further and possibly independent embodiment of the press brake 1 is shown, again for like parts, the same reference numerals or component names as in the preceding Fig. 1 to 5 be used. To unnecessary To avoid repetition, the detailed description in the previous Fig. 1 to 5 referred or referred.
  • the Fig. 6 shows an alternative embodiment of the measuring device 18 of the press brake 1 in plan view, that is with a line of sight parallel to the direction of movement of the press beam 11.
  • the measuring device 18 is provided that only a single laser beam 23 is emitted by the laser transmitter 21, which is used as a reference for measuring the deformation state of the press beam 11 is used.
  • the sensors 22 are moved alternately successively in the lateral direction 30 in the region of the laser 23.
  • the sensors 22 can be arranged, for example, on a straight guide or on a support pivotable about an axis. It can thus be detected a position change 25 which is directed perpendicular to the lateral direction 30. That is, the direction of the position change 25 corresponds to Fig. 6 the viewing direction of the viewer on the drawing plane.
  • the Fig. 7 shows a further alternative embodiment of the measuring device 18 of the press brake 1 with five sensor arrangements 27.
  • the sensor assemblies 27 comprise a mirror 22 in addition to a sensor 22.
  • These mirrors 28 are preferably formed as a plane mirror and at an angle of 45 ° relative to the propagation direction of the laser beam 23 is arranged on the pressing beam 11.
  • the laser beam 23 is deflected by the reflection on the mirror 28 in a direction parallel to the direction of movement of the press beam (11).
  • the mirrors 28 are arranged laterally offset with respect to the propagation direction of the laser beam 23.
  • the mirrors 28 of the sensor arrangements 27 cause a deflection of the propagation direction of the laser beam 23 by 90 ° and the change in position can be detected by the deformation of the press beam 11 as a change in position 25 as compared to the unloaded state modified impact point of the laser beam 23 on the sensor 22.
  • the Fig. 8 shows a further alternative embodiment of the measuring device 18 of the press brake 1.
  • the sensor assemblies 27 are now formed by a respective sensor 22 and a beam splitter element 29.
  • the beam splitter elements 29 are formed by prisms in this embodiment Beam splitter cube provided.
  • Beam splitter cube With a suitable choice of the beam splitter elements 29, it is possible to arrange the sensors directly behind one another in the course of a single laser beam 23, wherein only a fraction of the light intensity is coupled out at each of the two beam splitter elements 29.
  • the position change 25 can in turn be detected by the degree of displacement of the point of impingement of the laser beam 23 on the sensor 22.
  • the Fig. 9 shows an embodiment of a measuring device 18 of the press brake 1 with position detecting devices, the Konkavapt 31 include.
  • the change in position 25 due to the deflection of the press beam 11 on which the concave mirrors 31 are arranged now leads by deflection of the impact point on the mirrors 31 to a deflection of the laser light beam 23 in a different deflection angle 32.
  • the measuring device 18 comprises in this embodiment single arranged in the region of the laser transmitter 21 sensor 22, to which the reflected from the concave mirror 31 laser beam 23 is reflected back. By the sensor 22, the impact point of the laser beam 23 is detected as the center distance 33.
  • the position change 25 can be calculated.
  • differently curved mirrors, such as convex mirrors, can also be used.
  • the Fig. 10 shows a further alternative embodiment of the measuring device 18 of the press brake 1.
  • the laser transmitter 21 is mounted separately from the pressing beam 11 on a guide member 35.
  • This guide element 35 is moved together with the pressing beam 11 in the vertical direction up and down.
  • the guide element 35 is performed on the stator side cheek 5. It can thereby be achieved that the laser transmitter 21, without being influenced by the deformation state of the press beam 11, is continuously guided in parallel in each phase of its up or down movement.
  • the arrangement of four drive units 15 for the press beam 11 and two drive units 16 for the press table 8 is provided, but this is not a necessary condition for the described invention. It is therefore also possible to provide more or fewer than four drive units 15 or more or fewer than two drive units 16 for the press table 8.
  • the arrangement of five sensors or of five sensor arrangements 27 is not a restriction for the design of the measuring device 18 or 26. Thus, fewer than five such sensor arrangements 27 may be sufficient. However, it is advantageous if more than five sensors 22 or sensor arrangements 27 are provided, since this allows the loading or deformation state of the press bar 11 or of the press table 8 to be measured correspondingly more accurately.

Claims (21)

  1. Dispositif de fabrication, plus particulièrement une presse plieuse (1), pour le formage d'une pièce (2) en tôle
    - avec une table de presse (8) et une barre de presse (11) opposée à la table de presse (8) et orientée parallèlement à celle-ci,
    - qui peut être déplacée par rapport à la table de presse (8) au moyen d'un dispositif d'entraînement dans une direction perpendiculaire à une extension longitudinale (24) de la barre de presse (11),
    - le dispositif d'entraînement comprenant au moins trois unités d'entraînement (15, 16) qui sont disposées de manière répartie sur l'extension longitudinale (24) de la barre de presse (11),
    - et avec un dispositif de mesure (18) pour la mesure de la position momentanée de différents points sur la barre de presse (11)
    - et avec un dispositif de commande (17) pour l'adaptation d'une déformation de la barre de presse (11),
    caractérisé en ce que
    le dispositif de mesure (18) comprenant un émetteur laser (21) pour la production d'un rayon laser (23) orientée dans l'extension longitudinale (24) de la barre de presse (11).
  2. Dispositif de fabrication selon la revendication 1, caractérisé en ce que le dispositif de mesure (18) comprend plusieurs dispositifs de capteurs (27) pour la détection du rayon laser (23), les dispositifs de capteurs (27) étant fixés à la barre de presse (11).
  3. Dispositif de fabrication selon la revendication 1 ou 2, caractérisé en ce que les dispositifs de capteurs (27) comprennent chacun un capteur à résolution locale (22) pour la détection du rayon laser (23).
  4. Dispositif de fabrication selon l'une des revendications précédentes, caractérisé en ce que les dispositifs de capteurs (27) comprennent chacun un capteur CCD.
  5. Dispositif de fabrication selon l'une des revendications précédentes, caractérisé en ce que les capteurs (22) sont disposés de manière décalée latéralement par rapport à la direction de propagation du rayon laser (23) et perpendiculairement à la direction de déplacement de la barre de presse (11).
  6. Dispositif de fabrication selon l'une des revendications précédentes, caractérisé en ce que les dispositifs de capteurs (27) comprennent chacun un capteur en ligne selon le principe d'un capteur CCD.
  7. Dispositif de fabrication selon l'une des revendications précédentes, caractérisé en ce que l'émetteur laser (21) comprend un élément optique pour la formation de plusieurs rayons laser (23) parallèles entre eux ou pour la formation d'une bande de lumière laser plate.
  8. Dispositif de fabrication selon l'une des revendications précédentes, caractérisé en ce que les dispositifs de capteurs (27) comprennent chacun un élément optique pour la déviation du rayon laser (23) dans une direction parallèle à la direction de déplacement de la barre de presse (11).
  9. Dispositif de fabrication selon l'une des revendications précédentes, caractérisé en ce que les dispositifs de capteurs (27) comprennent chacun un miroir (28).
  10. Dispositif de fabrication selon l'une des revendications précédentes, caractérisé en ce que le miroir (28) est conçu comme un miroir plan, qui est incliné de 45° par rapport à la direction de propagation du rayon laser (23).
  11. Dispositif de fabrication selon l'une des revendications précédentes, caractérisé en ce que les dispositifs de capteurs (27) comprennent chacun un élément diviseur de rayons (29).
  12. Dispositif de fabrication selon la revendication 3, caractérisé en ce que chaque capteur (22) des dispositifs de capteurs (27) est fixé à un guidage mécanique.
  13. Dispositif de fabrication selon l'une des revendications précédentes, caractérisé en ce que le dispositif de mesure (18) comprend un capteur à résolution locale (22) et plusieurs miroirs convexes (31) ou miroirs concaves pour la réflexion du rayon laser (23) vers le capteur à résolution locale (22), les miroirs convexes (31) ou les miroirs concaves étant fixés à la barre de presse (11).
  14. Dispositif de fabrication selon l'une des revendications précédentes, caractérisé en ce qu'un dispositif de commande (17) est prévu et le dispositif de commande (17) est conçu pour le calcul d'un changement de position (25) au niveau du capteur (22) à partir des signaux de mesure transmis par le capteur (22).
  15. Dispositif de fabrication selon l'une des revendications précédentes, caractérisé en ce que le dispositif de commande (17) est conçu pour le calcul des forces générées par les unités d'entraînement (15, 16) et d'une commande, correspondant à ces forces, des unités d'entraînement (15, 16), pour la compensation des changements de position (25) sur la barre de presse (11), mesurés par le dispositif de mesure (18).
  16. Dispositif de fabrication selon l'une des revendications précédentes, caractérisé en ce que l'émetteur laser (21) est fixé à un élément de guidage (35), l'élément de guidage (35) étant guidé au niveau d'une partie du châssis de la machine (3) et pouvant être déplacé conjointement avec la barre de presse (11).
  17. Procédé de formage d'une pièce (2) en tôle avec un dispositif de fabrication plus particulièrement une presse plieuse (1), avec une table de presse (8) et une barre de presse (11) opposée à la table de presse (8) et orientée parallèlement à celle-ci, qui peut être déplacée par rapport à la table de presse (8) au moyen d'un dispositif d'entraînement dans une direction perpendiculaire à une extension longitudinale (24) de la barre de presse (11), le dispositif d'entraînement comprenant au moins trois unités d'entraînement (15, 16) qui sont disposées de manière répartie sur l'extension longitudinale (24) de la barre de presse (11), et un dispositif de mesure (18) étant prévu pour la mesure de la position momentanée de différents points sur la barre de presse (11), caractérisé en ce que le dispositif de mesure (18) est conçu avec un émetteur laser (21) pour la production d'un rayon laser (23) orienté dans l'extension longitudinale (24) de la barre de presse (11).
  18. Procédé selon la revendication 17, caractérisé en ce que, à plusieurs endroits de la barre de presse (11), un changement de position (25) par rapport au rayon laser (23) est détecté avec les capteurs à résolution locale (22) disposés à ces endroits.
  19. Procédé selon la revendication 18, caractérisé en ce que, dans un dispositif de commande (17), des valeurs de changement de position (25) sont calculés à partie des signaux de mesure transmis par les capteurs (22).
  20. Procédé selon la revendication 19, caractérisé en ce que, dans le dispositif de commande (17), sur la base des valeurs de changement de position (25), sont calculées les forces à générer par les unités d'entraînement (15, 16) pour la compensation des changements de position (25) sur la barre de presse (11) mesurés par le dispositif de mesure (18).
  21. Procédé selon la revendication 20, caractérisé en ce que l'état de déformation de la barre de presse (11) est mesuré en déterminant les changements de position (25) de manière continue pendant l'ensemble du processus d'usinage de la pièce (2).
EP16709678.3A 2015-02-05 2016-02-05 Dispositif de pliage avec instrument de mesure Not-in-force EP3253507B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50090/2015A AT516377B1 (de) 2015-02-05 2015-02-05 Biegevorrichtung mit Messeinrichtung
PCT/AT2016/050022 WO2016123646A1 (fr) 2015-02-05 2016-02-05 Dispositif de pliage avec instrument de mesure

Publications (2)

Publication Number Publication Date
EP3253507A1 EP3253507A1 (fr) 2017-12-13
EP3253507B1 true EP3253507B1 (fr) 2018-12-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16709678.3A Not-in-force EP3253507B1 (fr) 2015-02-05 2016-02-05 Dispositif de pliage avec instrument de mesure

Country Status (3)

Country Link
EP (1) EP3253507B1 (fr)
AT (1) AT516377B1 (fr)
WO (1) WO2016123646A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112355988B (zh) * 2020-09-21 2023-11-17 江苏人和环保设备有限公司 一种脉冲褶式滤筒加工定位装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1200920A (fr) * 1958-07-01 1959-12-24 Dispositif pour la compensation et le contrôle des déformations subies par les parties actives de presses ou machines analogues
US5067340A (en) * 1988-05-05 1991-11-26 Macgregor Donald C Precision press brake
DE3943349C2 (de) * 1988-12-29 2001-08-23 Amada Co Blechbiegemaschine
CH680773A5 (fr) * 1989-09-11 1992-11-13 Beyeler Machines Sa
IT1250562B (it) * 1991-12-30 1995-04-20 Prima Ind Spa Pressa piegatrice di precisione per pezzi di lamiera relativamente corti.
DE4442381A1 (de) * 1994-11-29 1996-05-30 Gerd Ising Vorrichtung zur Lage- und Formerkennung von Oberwangenwerkzeugen an Schwenkbiegemaschinen und Gesenkbiegepressen
JP2001219222A (ja) * 2000-02-10 2001-08-14 Amada Co Ltd プレスブレーキにおける機械パラメータ測定方法及び機械パラメータ測定システム
DE10327388C5 (de) * 2003-06-18 2011-12-08 Leuze Lumiflex Gmbh + Co. Kg Schutzeinrichtung
WO2006135961A1 (fr) * 2005-06-20 2006-12-28 Lazer Safe Pty Ltd Systeme d'imagerie et de securite et procede pour machine industrielle
ITMI20062026A1 (it) * 2006-10-23 2008-04-24 Antonio Maria Banfi Procedimento e dispositivo per compensare le deformazioni strutturali di una pressa piegatrice
JP2011083800A (ja) * 2009-10-16 2011-04-28 Sumitomo Heavy Industries Techno-Fort Co Ltd 曲げプレス
AT511711B1 (de) * 2012-01-12 2013-02-15 Trumpf Maschinen Austria Gmbh Fertigungseinrichtung mit biegewerkzeugen und positionierungsmittel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
AT516377B1 (de) 2016-05-15
WO2016123646A1 (fr) 2016-08-11
EP3253507A1 (fr) 2017-12-13
AT516377A4 (de) 2016-05-15

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