EP1311358B1 - Dispositif pour le formage d'une zone d'extremite d'une piece a usiner - Google Patents

Dispositif pour le formage d'une zone d'extremite d'une piece a usiner Download PDF

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Publication number
EP1311358B1
EP1311358B1 EP01971612A EP01971612A EP1311358B1 EP 1311358 B1 EP1311358 B1 EP 1311358B1 EP 01971612 A EP01971612 A EP 01971612A EP 01971612 A EP01971612 A EP 01971612A EP 1311358 B1 EP1311358 B1 EP 1311358B1
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EP
European Patent Office
Prior art keywords
transmission element
force transmission
workpiece
pressure
shaping
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
EP01971612A
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German (de)
English (en)
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EP1311358A1 (fr
Inventor
Dieter Ehrke
Udo Hunkenschroeder
Frank-Stefan Runte
Martin Ziehl
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.)
Parker Hannifin GmbH and Co KG
Original Assignee
Parker Hannifin 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
Priority claimed from DE2000140596 external-priority patent/DE10040596C1/de
Priority claimed from DE2000140595 external-priority patent/DE10040595C2/de
Application filed by Parker Hannifin GmbH and Co KG filed Critical Parker Hannifin GmbH and Co KG
Publication of EP1311358A1 publication Critical patent/EP1311358A1/fr
Application granted granted Critical
Publication of EP1311358B1 publication Critical patent/EP1311358B1/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
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/12—Shaping end portions of hollow articles
    • 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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • 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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/02—Enlarging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/06—Swaging presses; Upsetting presses

Definitions

  • the invention relates to a device for forming a End region of a workpiece, in particular for cold press forming a Rohrend Symposiums. It is known that Workpiece using a first hydrodynamic clamped operable power transmission element and the End area by direct or indirect force a second hydrodynamically actuated Transform power transmission element. Under a hydrodynamically actuated force transmission element is a body understood on hydraulic and / or pneumatic manner is actuated. At the most high Forces required for forming a workpiece are, is advantageously a hydraulic actuation selected.
  • the known device a three-piece case on.
  • a first housing part has a first bore in which the first annular piston with his coat, and has a second hole, in which the second piston is guided with its piston rod is.
  • the second hole has a smaller diameter as the first hole.
  • This way is for the coat the first, annular piston formed a stop which the maximum retracted position of the first piston Are defined. Between the stop and the piston skirt can a hydraulic fluid for actuating the first piston be initiated.
  • Another part of the three-part Housing forms a bolted to the first part Housing end piece, which has a cylindrical bore for guidance having the end piece of the second piston. In Actuation direction of the second piston forms the first Housing part a stop.
  • the stop and the second piston can turn a hydraulic medium be introduced to the second piston after forming to retrieve the pipe.
  • the corresponding hydraulic room for receiving the hydraulic fluid is against the first Hydraulic space between the jacket of the first piston and sealed the rear stop.
  • the third part the three-piece housing forms the receptacle for the Clamping jaws and for the front parts of the first and the second piston or for the forming tool.
  • the Forming tool is designed in such a way and with the front Connected end portion of the piston rod of the second piston, that when retrieving the second piston of the first piston is taken and so relieves the jaws pressure become.
  • the central passage opening of the first piston on a rear stop for this purpose, the central passage opening of the first piston on a rear stop.
  • the invention is therefore based on the object, a Device for forming a workpiece end area for To provide a better control of the Forming process allows.
  • the invention provides this first, that between the first Power transmission element and the second Power transmission element in each case directly adjacent to the two power transmission elements and at a first pressure port connected first pressure chamber is arranged, and that the second power transmission element at a second Pressure connection connected second pressure chamber such is assigned that the introduction of a pressure medium the second power transmission element in the clamping and Forming applied.
  • While advancing the second power transmission element for clamping the Workpiece is the pressure of the first pressure chamber enclosed pressure medium by blocking the first Pressure port maintained by suitable means, wherein upon reaching a preset overpressure the pressure medium from the first pressure chamber is drained via suitable means, so that when in the Clamping position of the first power transmission element second power transmission element for forming the workpiece displaceable relative to the first power transmission element is and after the forming of the end portion of the workpiece by re-introducing pressure medium into the first Pressure chamber, the second power transmission element and then by means of a separate drive the first Power transmission element to its original positions be moved back.
  • a third pressure chamber with a Connection is provided to a third pressure port.
  • the drive for the return movement of first power transmission element as a return spring be educated.
  • the starting position of the first Power transmission element by a between housing and first power transmission element formed stop is defined.
  • sensors provided to recognize the inserted tool as well to check the respective position of the first Power transmission element, whether this again in his Basic position has been reduced.
  • This is in detail provided that before starting the clamping and / or Forming process via suitable means is automatically detected, whether a suitable clamping and / or forming tool available and / or positioned correctly, with the presence and / or the correct position of the tool by a Non-contact distance measurement by means of a sensor is detectable.
  • the basic position of the forming tool and the from this during the forming process passed way are detectable.
  • the for the Forming process required Relativverschiebungsweg between first power transmission element and second Power transmission element, so the so-called compression length L is adjustable in a first step, that the first power transmission element by initiation of Pressure medium in the first pressure chamber from the fixed second power transmission element is moved away, after which by introducing pressure medium into the second pressure chamber the clamping and forming process as described followed.
  • the first pressure chamber is therefore a Pressure medium for both the operation of the first Power transmission element as well as for releasing the second Power transmission element introduced, bringing the advantage an even better control option for the Forming process is connected.
  • the length of the first Pressure chamber between the first actuating surface and the second actuating surface before forming the workpiece is adjustable to the desired defined working distance pretend. Then the two can Power transmission elements at a constant relative position be moved to each other until the workpiece is clamped is. Then again, then the second Power transmission element exactly by the preset length the pressure chamber against the first power transmission element movable, so that the clamped workpiece to one of these Length corresponding path is compressed. In particular by the juxtaposition of the first actuating surface and second actuating surface of the first pressure chamber is the Forming process finished.
  • the means used allow a direct or undirect measurement of the length of the Pressure chamber to the length adjust.
  • the length is indirectly through a distance sensor can be measured, which is directed to a surface is, whose distance from the distance sensor depends on the length of the pressure chamber changes.
  • a surface is for example, a conically widening outer surface of the first power transmission element. It is advantageous if a non-contact distance sensor is used becomes.
  • a non-contact measuring sensor the depending on whether the workpiece to be formed in a Starting position is in the clamping and / or reshaping can be started, outputs a signal.
  • the sensor is in particular a distance sensor which is in a measuring direction measures the distance to the nearest object.
  • sensors are from the state of Technique known.
  • the workpiece only needs in the Start position are brought to generate the signal.
  • a control provided over a Signal connection is connected to the sensor. On the. Signal can then, in particular automatically, with the Clamping and / or reshaping are started.
  • a Measured dimension of the workpiece to be formed or a Measured value, which is a clear measure of the dimension of the workpiece to be formed.
  • a Pipe formed so it makes sense, the pipe diameter to eat. This allows before the start of clamping and / or forming a check as to whether a workpiece with the desired dimensions ready for reshaping. Is not the right workpiece in a starting position brought or no work at all in the Starting position brought, is not the start signal generated. An unintentional actuation of the Forming device or editing a workpiece with wrong dimensions can thus be avoided.
  • One significant advantage of this is that on simple way safety rules for the protection of Operating staff can be respected and at the same time damaging the device, such as too large workpieces can be prevented.
  • a suitable clamping and / or forming tool available and / or correctly positioned.
  • a non-contact measuring sensor the dependent of which, whether a suitable clamping and / or forming tool present and / or correctly positioned, a signal outputs.
  • Such tool recognition can with the above described sensor system for generating a start signal combined to provide even greater security against To receive incorrect operation and malfunction.
  • the same sensor can be used to measure the starting position and the Measurement of the presence and / or positioning of the Tool be used. In this case will preferably first the presence and / or the correct position of the tool is measured or determined.
  • a controller may further be provided which receives a signal from the sensor and, after the transformation is sufficiently advanced, the Forming process finished.
  • FIG. 1 shows a longitudinal section through a Forming device 1.
  • the forming device 1 has a Base housing 3 with a central cylindrical bore on, so that a cylindrical surface 4 is formed.
  • a Receiving housing 5 for receiving clamping jaws 31 as Clamping tool arranged.
  • the cylinder surface 4 is as Guide surface for guiding the movement of one as outer Ring piston 7 formed first power transmission element and to guide the movement of one as inner piston 9 formed second power transmission element designed.
  • the inner piston 9 fills the closed end of the cylinder bore the cross section of Cylinder bore almost completely off. Toward the open end of the cylinder bore extends one Piston rod 11 of the inner piston 9.
  • the piston rod 11 is in a central, cylindrical bore of the outer Pistons 7 added and with a with a Upset tool 13 connected extension piece 11a fixed coupled.
  • the outer piston 7 thus forms a guide for the movement of the piston rod 11 and one with the Piston rod 11 and its extension piece 11 a via a Twist lock 15 connected as a forming tool acting compression tool 13.
  • the twist lock 15 is similar to a bayonet lock actuated.
  • a locking projection 16 of the Upset tool 13 is characterized by a linear movement in axial direction of the extension piece 11a of Piston rod 11 in the corresponding recess in the Extension piece 11 a used and then to the Longitudinal axis of the piston rod 11 is twisted to the connection to lock.
  • the base housing 3 has a first pressure port 25 on, through which a hydraulic medium in the interior of the Base housing 3 can be introduced or derivable from this is.
  • the first opens Pressure port 25 in a first pressure chamber 26, the except through the cylinder surface 4 by a first Actuating surface 10 of the outer piston 7 and by a second actuating surface 12 of the inner piston 9 limited is.
  • the first pressure chamber 26 is depending on the operating state of Forming device 1 larger or smaller and can in different position relative to the first Pressure port 25 are (see Figures 1 to 5). In each Operating state, however, opens the first pressure port 25th in the first pressure chamber 26.
  • first pressure chamber 26 widens in FIG radial outward direction, since the first Actuating surface 10 and the second actuating surface 12th partially formed as a cone section surfaces.
  • first Actuating surface 10 and the second actuating surface 12th each have yet another area, the is designed annular and a stop for the other piston 7, 9 represents.
  • a second pressure chamber 28th provided, which via a second pressure port 27th connected.
  • the second pressure chamber 28 has one up almost zero variable volume.
  • This third pressure chamber 51 serves as a drive for the return movement of the outer piston 7 in its starting position.
  • the receiving housing 5 forms a receiving space for Clamping jaws 31, by operating the piston 7, 9, the is called by the movement in the axial direction to Clamping a workpiece are actuated.
  • the Clamping jaws 31 are, for example, as in DE 195 11 447 A1 described clamping jaws designed and operable.
  • the clamping jaws 31 have at their in Figure 1 to Figure 5 right-hand end face a Umformausnaturalung 33, which is a self-contained circumferential groove-like Recess forms when a workpiece with the is clamped corresponding dimensions.
  • the Umformausnaturalung 33 serves to reshape the workpiece, such as will be explained in more detail.
  • the forming also by the shaping of an alternative Stanzwerkmaschinees be determined, which instead of the illustrated upsetting tool 13 is provided and which is connectable to the piston rod 11.
  • the compression tool 13 has at its free end face End of a measuring collar 8, where the upsetting tool 13th has a smaller outer diameter than in the axial Direction behind it.
  • the inner piston 9 has in the region of its free, the Clamping 31 facing the end of its piston rod eleventh or from its extension piece 11a a cone-like Section up, with a cone surface 6, which is the outer circumference extension piece 11a forms.
  • the base housing 3 and the receiving housing. 5 formed overall housing are two in the radial direction extending to the central longitudinal axis of the Forming device 1 directed holes provided.
  • Each of these holes is a sensor S1 or S2 arranged.
  • the sensor S1 serves to detect the Upset tool 13, by the sensor S1 on the Meßbund. 8 the upsetting tool 13 is directed and over the distance between the sensor S1 and the Meßbund 8 the used Can identify upset tool 13.
  • the sensor S2 is used to determine the basic position of inner piston 9, by the sensor S2 on the conical surface 6 of the inner piston 9 connected to the part 11 a is directed so that on the determination of the situation of Conical surface 6 and the method of extension 11a with the cylindrical peripheral surface relative to the sensor S2 of Progress of the movement of the inner piston 8 detected.
  • the sensor arrangement formed differently. So the jaws 31 a Meßnut 35, which differ from the outer surface of the clamping jaws 31 radially inward extends.
  • Meßnut 35 can also be a Meßvertiefung be provided, which is not appropriate the representation according to Figures 6 to 9 in Circumferentially extending around the clamping jaws 31, but only one depression at one point or at represents several points of the jaws. In this case However, the correct positioning is relative to one Distance sensor to pay attention to its function even closer is described.
  • the clamping jaws 31 are in a radial Direction extending measuring port 29, which allows an electromagnetic radiation, in particular a Laser radiation, from outside the jaws 31 on a to irradiate the clamped workpiece.
  • the measuring opening 29 ends inside the Umformausströmung 33, so that, like will be explained in more detail, measured the forming progress can be.
  • each one Distance sensor 37, 39 measures the distance in the radial direction inwards nearest object or the distance of the associated surface.
  • the first distance sensor 37 via a first signal line 43 connected to a controller 41.
  • the second distance sensor 39 is connected via a second Signal line 45 connected to the controller 41.
  • the Controller 41 is in turn provided with a display device 47 connected, the six LEDs 49 has.
  • the Light emitting diodes 49 are used to operating phases and measured Display operating states of the forming device 1.
  • the outer diameter on Meßbund 8 is a for the type of compression tool 13, in particular for its other dimensions, characteristic measure.
  • Each different, with the Piston rod 11 connectable upsetting tool or other Tool also has a measuring collar, but with one other outer diameter.
  • the first distance sensor Measuring signal is the first distance sensor Measuring signal to the controller 41 from.
  • the controller 41 the especially an intelligent, with a microprocessor equipped control is detected by the measuring signal the upsetting tool 13.
  • the second distance sensor 39 measures the distance to the bottom of the Measuring groove 35 in the clamping jaws 31.
  • the distance to the Groove bottom is one for the type of jaws 31 characteristic measure.
  • the second distance sensor 39 outputs a corresponding measurement signal on the second Signal line 45 to the controller 41.
  • the controller 41 recognizes the jaws 31.
  • the jaws 31 and the upsetting tool 13 serve the Forming a specific type of pipe, namely the Forming pipes with a certain outer diameter. From the information, which upsetting tool and which Jaws are present determines the controller 41, What kind of pipes with this combination of tools to be transformed.
  • first of outer piston 7 by an upsetting length L in the axial direction moves.
  • a hydraulic medium through the first Pressure port 25 passed into the first pressure chamber 26.
  • the first distance sensor 37 measures the distance to the conical surface 6 of the outer piston 7 and gives continuously a measurement signal to the controller 41 from. Is the distance between the annular surfaces of the first Actuating surface 10 and the second actuating surface 12th equal to the compression length L, and has the first distance sensor 37 a corresponding measurement signal to the controller 41st delivered, the controller 41 breaks the supply of Hydraulic medium in the first pressure chamber 26 from, so that the Movement of the outer piston 7 is stopped.
  • the second distance sensor 39 measures through the measuring opening 29 the distance to the forming due to the forming Bead 36 on the outer circumference of the tube 2. It is constantly on corresponding measurement signal from the second distance sensor via the second signal line 45 to the controller 41 output. After the deformation by striking the Upset tool 13 is completed at the jaws 31 is the current measured value is compared with a setpoint value and determined whether the bead 36 the desired Outside diameter has reached. Alternatively, the Forming be terminated by the fact that the controller 41 determines that the bead 36 the desired Outside diameter has reached, and the upsetting process aborts. In this case, the compression length L is to, to ensure that a sufficiently long upsetting path to Available.
  • the second pressure chamber 28th depressurized, that is, it will be located therein Hydraulic medium allows, from the second pressure chamber 28th emanate. Furthermore, via the first pressure connection 25 pressure medium introduced into the first pressure chamber 26. As a result, the inner piston 9 is displaced by the Pressure medium in the second pressure chamber 28 in the axial Back to the right direction. After that is going through Opening the shut-off valve, the hydraulic medium in the first Pressure chamber 26 depressurized, so that it from the pressure chamber 26th can flow out.
  • the outer piston 7 is through the Spring force of one or more unspecified Springs in its initial position shown in Figure 6 moved back. The jaws 31 give the reshaped Tube 2 free, so that this can be removed.
  • an error can on the display device 47th be read, in which phase of operation or in which Operating state of the error has occurred.
  • the demolition of the forming process the Cancel displays can be provided.
  • an error be displayed in the appropriate operating phase. Also for example, the fact that one of the LEDs does not light up, but one in order downstream LED lights up, an error is displayed become.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Jigs For Machine Tools (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Forging (AREA)
  • Turning (AREA)
  • Gripping On Spindles (AREA)

Claims (14)

  1. Dispositif pour le formage d'une zone d'extrémité d'une pièce à usiner (2), en particulier pour le formage par pression à froid de tubes, dans lequel il est prévu un premier élément de transmission de force (7), actionnable par voie hydrodynamique pour serrer la pièce à usiner (2), et un deuxième élément de transmission de force (9), actionnable par voie hydrodynamique et dont la force exercée engendre la déformation, et les éléments de transmission de force (7, 9) sont agencés coaxialement dans un seul et même carter (3), caractérisé en ce que
    entre le premier élément de transmission de force (7) et le deuxième élément de transmission de force (9) est agencée une première chambre de pression (26), adjacente directement à chacun des éléments de transmission de force (7, 9) et raccordée à un premier raccord de pression (25),
    une deuxième chambre de pression (28), raccordée à un deuxième raccord de pression (27) est associée au deuxième élément de transmission de force (9) de telle sorte que l'introduction d'un fluide sous pression sollicite le deuxième élément de transmission de force (9) dans la direction de serrage et de formage,
    sachant qu'il est prévu des moyens destinés à fermer le premier raccord de pression (25) et, de ce fait, à maintenir la pression du fluide sous pression contenu dans la première chambre de pression (26) pendant le mouvement d'avance du deuxième élément de transmission de force (9) en vue du serrage de la pièce à usiner (2) et, en outre, des moyens destinés à laisser sortir le fluide sous pression de la première chambre de pression (26) lorsqu'une surpression prédéfinie est atteinte, de telle sorte que lorsque le premier élément de transmission de force (7) est en position de serrage, le deuxième élément de transmission de force (9) peut être déplacé par rapport au premier élément de transmission de force (7) en vue du formage de la pièce à usiner (2), et
    après le formage de la zone d'extrémité de la pièce (2), une nouvelle introduction de fluide sous pression dans la première chambre de pression (26) permet de ramener en position de départ le deuxième élément de transmission de force (9) et, ensuite, le premier élément de transmission de force (7) au moyen d'un système d'entraínement (50, 51) séparé.
  2. Dispositif selon la revendication 1, caractérisé en ce qu'il est prévu une troisième chambre de pression (51) reliée à un troisième raccord de pression (50) pour former le système d'entraínement destiné à assurer le mouvement de retour du premier élément de transmission de force (7).
  3. Dispositif selon la revendication 1, caractérisé en ce qu'il est prévu un ressort de rappel pour former le système d'entraínement destiné à assurer le mouvement de retour du premier élément de transmission de force (7).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la position de départ du premier élément de transmission de force (7) est définie par une butée réalisée entre le carter (3) et le premier élément de transmission de force (7).
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'il est prévu des moyens pour constater automatiquement si, avant le démarrage du processus de serrage et/ou de formage, un outil de serrage et/ou de formage (13, 31) approprié est en place et/ou est correctement positionné.
  6. Dispositif selon la revendication 5, caractérisé en ce que la présence et/ou le positionnement correct de l'outil (13, 31) peuvent être détectés par une mesure sans contact de la distance, au moyen d'un capteur (S1).
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'un capteur (S2) permet de détecter la position de base de l'outil de formage (13, 31) et le trajet parcouru par celui-ci pendant le processus de formage.
  8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que, pour le réglage variable d'un trajet de travail (longueur de compression L) prévu pour le formage de la pièce à usiner (2) avant le début du processus de serrage et de formage, le premier élément de transmission de force (7) peut être écarté du deuxième élément de transmission de force (9) fixe par l'introduction d'un fluide sous pression dans la première chambre de pression (26).
  9. Dispositif selon la revendication 8, caractérisé en ce qu'il est prévu des moyens pour le réglage de la longueur de la première chambre de pression (26) entre la première surface de commande (10) et la deuxième surface de commande (12) avant le formage de la pièce à usiner (2), en vue de prescrire un trajet de travail défini.
  10. Dispositif selon la revendication 9, caractérisé en ce que les moyens permettent de mesurer directement ou indirectement la longueur de la première chambre de pression (26), en vue de régler la longueur de celle-ci à la valeur souhaitée.
  11. Dispositif selon la revendication 10, caractérisé en ce que la longueur peut être mesurée indirectement par un capteur de distance (37), qui est dirigé vers une surface (6) dont la distance par rapport au capteur de distance (37) varie en fonction de la longueur de la chambre de pression (26).
  12. Dispositif selon l'une quelconque des revendications 8 à 11, caractérisé en ce qu'il est prévu des moyens pour mesurer sans contact si la pièce (2) à former est dans une position de démarrage, dans laquelle le processus de serrage et/ou de formage peut commencer, et en ce qu'il est prévu des moyens destinés à générer un signal en fonction du résultat de mesure.
  13. Dispositif selon la revendication 12, caractérisé en ce que les moyens de mesure sans contact permettent de mesurer une dimension de la pièce (2) à former.
  14. Dispositif selon l'une quelconque des revendications 8 à 12, caractérisé en ce que la présence et/ou le positionnement correct de l'outil (13) peuvent être détectés par le même capteur (37) qui mesure également la position de démarrage de la pièce à usiner (2), et en ce que la mesure de la position de démarrage est déclenchée par le fait que la pièce à usiner (2) est amenée dans la position de démarrage.
EP01971612A 2000-08-16 2001-08-11 Dispositif pour le formage d'une zone d'extremite d'une piece a usiner Expired - Lifetime EP1311358B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10040596 2000-08-16
DE10040595 2000-08-16
DE2000140596 DE10040596C1 (de) 2000-08-16 2000-08-16 Vorrichtung zum Umformen eines Werkstück-Endbereichs
DE2000140595 DE10040595C2 (de) 2000-08-16 2000-08-16 Vorrichtung zum Umformen eines Werkstück-Endbereichs
PCT/DE2001/003117 WO2002013992A1 (fr) 2000-08-16 2001-08-11 Dispositif pour le formage d'une zone d'extremite d'une piece a usiner

Publications (2)

Publication Number Publication Date
EP1311358A1 EP1311358A1 (fr) 2003-05-21
EP1311358B1 true EP1311358B1 (fr) 2005-04-20

Family

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EP01971612A Expired - Lifetime EP1311358B1 (fr) 2000-08-16 2001-08-11 Dispositif pour le formage d'une zone d'extremite d'une piece a usiner

Country Status (12)

Country Link
US (1) US6708548B2 (fr)
EP (1) EP1311358B1 (fr)
JP (1) JP2004505781A (fr)
KR (1) KR20030004362A (fr)
CN (1) CN1447724A (fr)
AT (1) ATE293502T1 (fr)
AU (1) AU2001291601A1 (fr)
CZ (1) CZ20022818A3 (fr)
DE (1) DE50105967D1 (fr)
ES (1) ES2240518T3 (fr)
NO (1) NO321883B1 (fr)
WO (1) WO2002013992A1 (fr)

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DE102014103799A1 (de) 2014-03-20 2015-09-24 Voss Fluid Gmbh Umformwerkzeug für ein Werkstück und Vorrichtung zum Verformen eines Werkstücks mit einem derartigen Werkzeug
DE102022121718A1 (de) 2022-08-26 2024-02-29 Johannes Schäfer vorm. Stettiner Schraubenwerke GmbH & Co. KG Verbindung eines rohrförmigen Bauteils mit einem Anschlussteil

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20205807U1 (de) * 2002-04-12 2003-08-21 Voss Fluid Gmbh & Co Kg Vorrichtung zum plastischen Verformen von Werkstücken
GB0221398D0 (en) * 2002-09-16 2002-10-23 Smart Tools Ltd Automatic pipe flaring tool
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US11980924B2 (en) * 2019-03-27 2024-05-14 Zhejiang Value Mechanical & Electrical Products Co., Ltd. Electric pipe expander, chuck structure for electric pipe expander, and control circuit for electric pipe expander

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DE102014103799B4 (de) 2014-03-20 2018-07-05 Voss Fluid Gmbh Umformwerkzeug für ein Werkstück und Vorrichtung zum Verformen eines Werkstücks mit einem derartigen Werkzeug
US11491526B2 (en) 2014-03-20 2022-11-08 Voss Fluid Gmbh Shaping tool for a workpiece, and device for deforming a workpiece using such a tool
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CN1447724A (zh) 2003-10-08
KR20030004362A (ko) 2003-01-14
NO20025877L (no) 2002-12-06
AU2001291601A1 (en) 2002-02-25
WO2002013992A1 (fr) 2002-02-21
CZ20022818A3 (cs) 2003-06-18
DE50105967D1 (de) 2005-05-25
ATE293502T1 (de) 2005-05-15
US20030046969A1 (en) 2003-03-13
EP1311358A1 (fr) 2003-05-21
NO20025877D0 (no) 2002-12-06
NO321883B1 (no) 2006-07-17
JP2004505781A (ja) 2004-02-26
US6708548B2 (en) 2004-03-23
ES2240518T3 (es) 2005-10-16

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