EP1622731B1 - Dispositif porte-outil - Google Patents

Dispositif porte-outil Download PDF

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Publication number
EP1622731B1
EP1622731B1 EP04721424A EP04721424A EP1622731B1 EP 1622731 B1 EP1622731 B1 EP 1622731B1 EP 04721424 A EP04721424 A EP 04721424A EP 04721424 A EP04721424 A EP 04721424A EP 1622731 B1 EP1622731 B1 EP 1622731B1
Authority
EP
European Patent Office
Prior art keywords
tool
holding fixture
tool holding
holder
extending
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.)
Expired - Lifetime
Application number
EP04721424A
Other languages
German (de)
English (en)
Other versions
EP1622731A1 (fr
Inventor
Thomas Denkmeier
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 EP1622731A1 publication Critical patent/EP1622731A1/fr
Application granted granted Critical
Publication of EP1622731B1 publication Critical patent/EP1622731B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor
    • B21D5/0236—Tool clamping
    • 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
    • B21D5/0209—Tools therefor

Definitions

  • the invention relates to a tool receiving device, as described in the preamble of claim 1.
  • a tool receiving device is from the EP 0494714 A1 known.
  • a pressing tool with a tool holder for a press brake wherein in the tool a side surface superior and adjustable in this direction vertical locking element is arranged, which engages to secure the tool in a receiving groove of the tool holder and the arranged via an actuating device arranged in the tool the locking position in an unlocked position in which the securing means is disengaged from the receiving groove, is adjusted.
  • Such equipped tools require a complex design or larger dimensions and cause high basic and consequential costs due to the large number required for the assembly of a press brake tools.
  • the object of the invention is to provide a tool receiving device and a bending tool, which ensures a safe removal of the bending tool from the tool receiving device after releasing a bending tool for a work fixing fixture.
  • the advantageous embodiments according to claims 6 and 7 ensure a cost-effective and fail-safe operation of the retaining means in a permanent restraint position, which is by a manual adjustment, in which the tools to be removed in a secure handling to pick up.
  • an interruption-free actuating surface for arranged in the tool head and this is formed on side surfaces superior locking elements.
  • the training described in claim 11 ensures a tilt-free retention position for the tools.
  • Another advantage is an embodiment according to claim 12, whereby the relative adjustability of the oppositely arranged locking elements is achieved by simple technical means and both a one-sided and on both sides needs-adjusted adjustability is given.
  • a pre-positioning of the tool is achieved in the assembly of the tool bar.
  • the advantageous embodiment characterized in claim 14 ensures a universal use of tools in the tool bar, as they are available in standard versions.
  • the tool is pre-positioned without tension in the tool bar.
  • an embodiment according to claim 24 is advantageous because thereby the insertion slot of the tool holder with a slight oversize, relative to the thickness of the tool head, executable and thus the tool can be introduced with appropriate guidance in the tool holder.
  • a tool receiving device 1 with a tool bar 2, which is movably connected to an adjustable press bar and shown with a releasably supported in a groove-shaped tool holder 3 tool 4.
  • This is an upper one.
  • Bending tool for forming sheet metal parts eg in a press brake.
  • the tool 4 is in the tool holder 3 via a known from the prior art clamping device 5, for example, at least one pressurized with a pressure medium clamping cylinder 6, positioned tensioned, wherein the clamping cylinder 6 with an adjustable wedge-shaped clamping surfaces 7 forming clamping bolt 8 in a trapezoidal cross-section having clamping groove 9 of the tool 4 engages.
  • the tool receiving device 1 To remove the tool 4 from the tool receiving device 1, it is necessary to adjust the clamping bolt 8 by an adjustment, by canceling the pressurization of the clamping cylinder 6, against the clamping direction, from the area of the tool holder 3. In order to avoid an accidental crash of the so-called hanging tool 4 from the tool holder 3 in such a process, the tool receiving device 1 is provided with a retaining device 14.
  • the retaining device 14 of the tool receiving device 1 is substantially formed by retaining means 15 arranged in the direction of a length 16 arranged T-slot nuts 17, which are arranged in guides 18 in one of the tool holder 3 laterally bounding legs 19.
  • the T-nuts 17 are in the guides 18 which are parallel to each other and at right angles to a median plane 20 of the tool holder 3 and formed by T guide grooves 21 - according to double arrow 22 - slidably mounted and strung together directly.
  • T-guide projection 23 which slidably engages in the T-guide grooves 21 and which is mounted on a locking block 24 is arranged, which protrudes in a locking position in which the tool 4 is to be secured against an automatic fall, a width 25 of the tool holder 3 in the region of an insertion slot 26 for the tool 4 in the tool holder 3, that the locking block 24 has a side surface 27 of the receptacle 3 in the direction of the tool 4 surmounted by a projection 28.
  • the arrangement of the T-nuts 21 is provided in the clamping device 5 receiving leg 19 of the tool holder 1.
  • the T-nuts 17 are in the locking position in which the locking block 24 projects beyond the side surface 27, by means of a spring assembly 29, in the illustrated embodiment, spring tongues 30, one attached to an outer surface 31 of the tool bar 2 spring plate 32 formed with the spring tongues 30, as a result a bias, on a face 33 of the T-nuts 17 a spring force - according to arrow 34 - in the direction of the median plane 20 exerts.
  • a T-guide grooves 21 and thus the adjustment of the T-nut blocks 17 in the direction of the tool holder 3 limiting abutment surface 35 is formed by a arranged in the tool holder 3 Abstreifblech 36, facing the tool holder 3, the tool 4 and the side surface 27 forming , is attached to the leg 19.
  • the locking block 24 projecting around the projection 28 into the region of the tool holder 3 forms a support surface 37 running parallel to the receiving base surface 13 for locking elements 39 adjustably mounted in the tool 4 in the direction perpendicular to the center plane 20 in a guide aperture 38. These are in pairs in the tool 4 arranged in the guide opening 38 and project beyond in a locking position with locking lugs 40 tool side surfaces 41, 42. This locking position is achieved by the action of a arranged between the locking elements 39 compression spring 43.
  • the latching lugs 40 of the locking elements 39 projecting beyond the tool side surfaces 41, 42 are supported, on the one hand, on the support surface 37 of the adjustable restraining means 15 and the counteracting support surface 45 formed on a groove 44 extending in the further leg 19 of the tool receiving device 1 in the direction of the longitudinal extension , which is approximately aligned with the support surface 37.
  • the tool 4 is approximately symmetrical to the center plane 20 on the one hand on the support surface 37 of the retaining means 15 and on the other hand supported on the bearing surface 45 of the groove 44 of the tool holder 3 and secured against falling when loosening the clamping device 5.
  • a measured in the direction of the length 16 center distance 46 of the arranged in the guides 18 T-nuts 17 is equal to or slightly greater than a width 47 of the retaining means 15, z.
  • the retaining means 15 are thus directly lined up and arranged over the entire length 16.
  • the tool receiving device 1 with the tool 4 is shown in detail in a clamped for the performance of a procedure in the tool holder 3 by means of the clamping device 5 position.
  • the clamping grooves 51 are arranged symmetrically with respect to the center plane 20, whereby the tool 4 can be clamped by a respective 180 ° turned position in the tool holder 3.
  • the tool 4 is clamped by means of the clamping bolt 8 against the receiving base surface 13 and the clamping bolt 8 opposite side surface 10 of the tool holder 3 and thus positioned in its position for a single operation.
  • the retaining means 15 is guided by means of the spring tongue 30 of the spring assembly 29 in the T-guide groove 21 linearly guided in the direction of the tool 4 and with the T-guide lug 23 on stop on the arranged in the tool holder 3 Abstreifblech 33, which covers the T-guide groove 21 in the direction of the receptacle 3.
  • the locking block 24 protruding beyond the guide projection 23 by at least the projection 28 thus forms the support surface 37.
  • the width 25 of the tool holder 3 corresponds to a thickness 52 of the tool 4 and the tool head 50, plus at least once the transition 28, with the resting on the support surface 37 of the locking block 24 and support surface 45 locking lugs 40 of the opposite locking elements 39, the tool side surface 42 tower over.
  • this projection 28 corresponds to an intended adjustment path in accordance with arrow 53, by which the locking element 39 can be adjusted against the action of the compression spring 43 in the tool head 56.
  • the latching element 40 projecting into the groove 45 of the opposite side surface 10 projects beyond the opposite tool side surface 41 about the projection 28, whereby the support of the tool 4 with the latching lug 40 on the support surface 45 of the groove 44 is given.
  • the tool 4 can be removed from the tool holder 3 - according to arrow 58.
  • FIG. 5 is now a placement process, the tool 14 provided with the securing device 14, shown.
  • the tool 4 is introduced with the clamping head 56 in the insertion slot 26 of the tool bar 2.
  • the tool side surfaces 41, 42 are thereby surmounted by the locking lugs 40 of the locking elements 39.
  • a total width 59 results from the thickness 52 of the tool head 50 and the double protrusion 28, with which the locking lugs 40 project beyond the tool side surfaces 41, 42 by the action of the compression spring 43 arranged between the locking elements 39.
  • a slot width 60 between a minimum dimension, corresponding to the thickness 52, and a maximum dimension, corresponding to the thickness 51, plus a projection 28, is variable, it comes when inserting into the tool holder 3 for the time being for investment of angularly formed control surfaces 61, with which the locking lugs 40 are delimited on the upper side, on opposite edges, which are preferably bevelled, the locking block 24 on the one hand and the leg 19 on the other hand, which limit the insertion slot 26 laterally.
  • the locking elements 39 are formed by cylindrical pins 66, the tool side surfaces 41, 42 superior end portions are formed as the locking lugs 40 with the control surfaces 61.
  • a guide groove 67 is arranged in the direction perpendicular to the median plane 20, in the guide pins 68 of the locking elements 39 protrude and thus secure against rotation.
  • the guide groove 67 in the area of the tool side surfaces 41, 42 is closed by way of example, for which various technical possibilities exist and need not be discussed further.
  • a further embodiment of the tool receiving device 1 according to the invention is shown, for example, on a head-carrying tool 4, the tool head 50 is supported on the receiving base 13 in the tool holder 3.
  • one or more adjustable locking elements 39 are provided on only one of the tool side surfaces 41, 42 in the tool head 50.
  • a fixed locking lug or locking bar 69 is provided on the opposite tool side surface 42, 41.
  • the application in such an embodiment provides to use the tool 4 according to the inventive solution in only one position in which the one or more adjustable locking elements 39 associated with the retaining means 15 of the retainer 14 and thus a common adjustment of the locking element 39 and the retaining means 15 is given for the insertion or removal of the tool 4.
  • the locking element 39 is guided in this embodiment, for example in a blind bore 70 and biased by the compression spring 43 and the stop and rotation 63 held in position in which the locking lug 40 projects beyond the tool side surface 41 to the supernatant 28.
  • the latching lug 40 By means of the latching lug 40 and arranged on the opposite tool side surface 42 and projecting into the groove 44 locking strip 69, the tool 4 is kept secured against falling even when loosening the tensioning device 5.
  • the removal of the tool 4, as well as the insertion is carried out as already in the previously described figures. It is essential that the width 25 of the tool holder 3 at least the thickness 52 of the tool head 50 plus the projection 28 of the locking bar 69 corresponds, wherein preferably the projection 28 of the locking lug 40 and the locking bar 69 will be the same size.

Claims (24)

  1. Dispositif porte-outil (1) avec un sommier d'outil (2), avec un dispositif de serrage (5) et avec un porte-outil (3) en forme de rainure dans le sommier d'outil (2) pour des outils (4), en particulier un outil supérieur d'une machine à plier la tôle, avec au moins un élément de verrouillage (39) déplaçable dans une tête d'outil (50) dans une direction perpendiculaire à la face latérale d'outil (41, 42) et avec une installation de retenue (14) des outils (4), caractérisé en ce que sont disposés dans l'une de branches (19) du sommier d'outil (2) délimitant le porte-outil (3) des deux côtés, dans la direction d'une longueur (16), à un écart médian (46), des guidages (18) dans une direction s'étendant perpendiculairement à la longueur (16), dans lesquels sont logés d'une manière déplaçable des moyens de retenue (15) pour les outils (4).
  2. Dispositif porte-outil selon la revendication 1, caractérisé en ce que les guidages (18) sont formés par des rainures de guidage en T (21).
  3. Dispositif porte-outil selon la revendication 1 ou 2, caractérisé en ce que les moyens de retenue (15) sont formés par des coulisseaux en T (17) qui forment un bout rapporté de guidage en T (23) qui est muni d'un bloc de verrouillage (24) faisant saillie sur le bout rapporté de guidage en T (23) dans la direction du porte-outil (3).
  4. Dispositif porte-outil selon la revendication 1 ou 2, caractérisé en ce que l'écart médian (46) des rainures de guidage en T (21) avoisinantes correspond à une largeur (47) des coulisseaux en T (17).
  5. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que les coulisseaux en T (17) respectivement le bloc de verrouillage (24) réalisent dans un plan s'étendant perpendiculairement à une face latérale (10) du porte-outil (3) une face de butée (11) pour un épaulement (12) de l'outil (4).
  6. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que les coulisseaux en T (17) sont précontraints par un agencement de ressorts (29) dans la direction du porte-outil (3).
  7. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que l'agencement de ressort (29) est formé par une tôle élastique à ressorts (32) disposée sur une face latérale (27) du sommier d'outil (2), qui précontraint avec des languettes élastiques (30) les coulisseaux en T contre une butée.
  8. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce qu'un chemin de déplacement d'un coulisseau en T (17) dans la direction du porte-outil (3) est délimité par la butée.
  9. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la butée est formée par une tôle de raclage (36) s'étendant dans le porte-outil (3) parallèlement à la face latérale d'outil (41, 42), qui réalise une face de butée (35) pour le bout rapporté de guidage en T (23).
  10. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que le bloc de verrouillage (24) fait saillie sur une surface (54) de la tôle de raclage (36) orientée vers le porte-outil (3).
  11. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce qu'il est disposé dans la tête d'outil au moins un perçage de guidage (38) avec un agencement aligné de deux faces latérales d'outil opposées (41, 42) avec des éléments de verrouillage (39) faisant saillie sur des ergots d'encliquetage (40).
  12. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que les éléments de verrouillage (39) sont précontraints par un ressort de pression (43) disposé entre ceux-ci dans le perçage de guidage (38) dans une position de verrouillage dans laquelle les ergots d'encliquetage (40) font saillie sur les faces latérales d'outil (41, 42).
  13. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce qu'une largeur de fente (60) d'une fente d'insertion (26) entre la face frontale (56) du bloc de verrouillage (24) orientée vers l'outil (4), dans une position de retenue, et une face latérale (10) de la branche (19) du porte-outil (3) opposée à la face frontale (56) correspond à peu près à une épaisseur (52) de la tête d'outil (50) de l'outil (4).
  14. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que dans la face latérale (10) du porte-outil (3) opposée au moyen de retenue (15) est ménagée une rainure (44) s'étendant dans la direction de la longueur (16) du sommier d'outil (2).
  15. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce qu'il est disposé dans la tête d'outil (50) au moins un élément de verrouillage (39) faisant saillie par suite de l'effet d'un ressort de pression (43) sur la face latérale d'outil (41, 42) avec l'ergot d'encliquetage (40).
  16. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la face latérale d'outil (41) opposée à la face latérale d'outil (42) sur laquelle fait saillie l'ergot d'encliquetage (40), est munie d'un bout rapporté d'encliquetage, de préférence d'une baguette d'encliquetage (69).
  17. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que l'élément de verrouillage (39) est formé par une cheville cylindrique (66).
  18. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce qu'il est disposé dans le perçage de guidage (38) une sécurité (63) à l'encontre d'une butée et d'une rotation de l'élément de verrouillage (39).
  19. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la sécurité (63) à l'encontre d'une butée et d'une rotation de l'élément de verrouillage (39) est formée par une rainure de guidage (67) ménagée dans le perçage de guidage (38, 64) et une tige de guidage (68) insérée dans l'élément de verrouillage (39) et faisant saillie dans la rainure de guidage (67).
  20. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que l'ergot d'encliquetage (40) de l'élément de verrouillage (39), en étant orienté vers une face de base de réception (13) du porte-outil (3), présente une face de guidage angulaire (61).
  21. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce qu'une largeur (25) du porte-outil (3) correspond à l'épaisseur (52) de l'outil (4) respectivement de la tête d'outil (50) plus la projection simple (28) de l'ergot d'encliquetage (40).
  22. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce qu'une profondeur de la rainure (44) est égale ou supérieure à la projection (28) de l'ergot d'encliquetage (40).
  23. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que le bloc de verrouillage (24) du moyen de retenue (15) et la rainure (44) réalisent relativement à un plan s'étendant perpendiculairement à un plan médian (20) s'étendant verticalement et symétriquement à la tête d'outil (50) une face d'appui (37) et une face d'application (45) pour les ergots d'encliquetage.
  24. Dispositif porte-outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce qu'un chemin de déplacement total des éléments de verrouillage (39) correspond à la saillie double (28) de l'ergot d'encliquetage (40).
EP04721424A 2003-05-14 2004-03-18 Dispositif porte-outil Expired - Lifetime EP1622731B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0073503A AT414327B (de) 2003-05-14 2003-05-14 Werkzeugaufnahmevorrichtung
PCT/AT2004/000098 WO2004101188A1 (fr) 2003-05-14 2004-03-18 Dispositif de raccordement d'outil

Publications (2)

Publication Number Publication Date
EP1622731A1 EP1622731A1 (fr) 2006-02-08
EP1622731B1 true EP1622731B1 (fr) 2008-05-21

Family

ID=33437383

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04721424A Expired - Lifetime EP1622731B1 (fr) 2003-05-14 2004-03-18 Dispositif porte-outil

Country Status (4)

Country Link
EP (1) EP1622731B1 (fr)
AT (2) AT414327B (fr)
DE (1) DE502004007230D1 (fr)
WO (1) WO2004101188A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106623615A (zh) * 2016-11-25 2017-05-10 盐城工学院 一种数控折弯机上模用连接柄
IT201600106997A1 (it) * 2016-10-24 2018-04-24 T E D A S R L Dispositivo di bloccaggio di utensili in una macchina utensile, particolarmente del tipo di una pressa piegatrice.

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Publication number Priority date Publication date Assignee Title
US7308817B2 (en) * 2005-02-08 2007-12-18 Wilson Tool International Inc. Push plate tool holder for press brakes
US7721586B2 (en) 2005-02-08 2010-05-25 Wilson Tool International Inc. Press brake tool seating technology
US7596983B2 (en) 2005-07-11 2009-10-06 Wilson Tool International Inc. Press brake clamp incorporating tool-seating mechanism
PL1960133T3 (pl) * 2005-11-11 2011-06-30 Wila Bv Narzędzie kształtujące z zespołem unieruchamiającym dla członu uruchamiającego w członie zabezpieczającym
AT514078B1 (de) * 2013-06-20 2014-10-15 Trumpf Maschinen Austria Gmbh Biegewerkzeug
AT515526B1 (de) 2014-08-12 2015-10-15 Trumpf Maschinen Austria Gmbh Biegewerkzeug und Greifvorrichtung zum Manipulieren des Biegewerkzeuges
CN104607546A (zh) * 2015-02-09 2015-05-13 南通华德锻压机床有限公司 一种可旋转卡口式折弯机上刀
IT201900006656A1 (it) * 2019-05-08 2020-11-08 Salvagnini Italia Spa Macchina piegatrice per lamiere metalliche

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Publication number Priority date Publication date Assignee Title
US4895014A (en) * 1986-08-28 1990-01-23 Houston David L Failsafe tool clamping system for press brake
NL9100034A (nl) * 1991-01-10 1992-08-03 Wila Maschf Bv Kantpersgereedschap, en een adaptor en een kantpers daarvoor.
IT1298501B1 (it) * 1998-01-28 2000-01-12 Tecnostamp S R L Sistema di azionamento di ganasce di presse piegatrici
DK199901582A (da) * 1999-11-03 2001-05-04 Thm Vaerktoej As Pladebukkemaskine, henholdsvis værktøjsholderdel og bukkeværktøj til samme
IT1311880B1 (it) * 1999-11-30 2002-03-19 Luciano Gasparini Dispositivo per il supporto ed il bloccaggio con funzione di sicurezzadi almeno un utensile intercambiabile, particolarmente in una macchina
AT411819B (de) * 2002-09-16 2004-06-25 Trumpf Maschinen Austria Gmbh Biegewerkzeug und werkzeugaufnahmevorrichtung für ein solches

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600106997A1 (it) * 2016-10-24 2018-04-24 T E D A S R L Dispositivo di bloccaggio di utensili in una macchina utensile, particolarmente del tipo di una pressa piegatrice.
EP3311931A1 (fr) * 2016-10-24 2018-04-25 Teda S.R.L Dispositif de verrouillage pour les outils d'une machine à usiner, en particulier pour une presse à plier
CN106623615A (zh) * 2016-11-25 2017-05-10 盐城工学院 一种数控折弯机上模用连接柄

Also Published As

Publication number Publication date
ATA7352003A (de) 2005-02-15
EP1622731A1 (fr) 2006-02-08
AT414327B (de) 2007-09-15
WO2004101188A1 (fr) 2004-11-25
DE502004007230D1 (de) 2008-07-03
ATE395990T1 (de) 2008-06-15

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