EP3219406B1 - Umformmaschine und verfahren zur positionskorrektur des schlittenaggregates einer solchen umformmaschine - Google Patents

Umformmaschine und verfahren zur positionskorrektur des schlittenaggregates einer solchen umformmaschine Download PDF

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Publication number
EP3219406B1
EP3219406B1 EP17150968.0A EP17150968A EP3219406B1 EP 3219406 B1 EP3219406 B1 EP 3219406B1 EP 17150968 A EP17150968 A EP 17150968A EP 3219406 B1 EP3219406 B1 EP 3219406B1
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EP
European Patent Office
Prior art keywords
forming
tool
carriage unit
movement path
machine according
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Active
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EP17150968.0A
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German (de)
English (en)
French (fr)
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EP3219406A1 (de
Inventor
Marc Walter
Mathias Bihler
Bernd Haussmann
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.)
Otto Bihler Handels Beteiligungs GmbH
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Otto Bihler Handels Beteiligungs GmbH
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Priority to PL17150968T priority Critical patent/PL3219406T3/pl
Publication of EP3219406A1 publication Critical patent/EP3219406A1/de
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    • 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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
    • 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
    • B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • 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
    • B21D7/12—Bending rods, profiles, or tubes with program control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F1/00—Bending wire other than coiling; Straightening wire
    • B21F1/006—Bending wire other than coiling; Straightening wire in 3D with means to rotate the tools about the wire axis

Definitions

  • the present invention relates to a forming machine, in particular a bending machine, comprising a machine frame with a mounting wall and at least one arranged on the mounting wall and optionally adjustable in different alignment positions in an alignment sled assembly for moving a frontally projecting deformed forming tool, in particular punch, in a plane of movement to a Workpiece loading point in a forming center.
  • a forming machine of the aforementioned type is eg in the EP 2 641 669 A1 disclosed.
  • This known forming machine has a plurality of slide assemblies with forming tools, the slide assemblies are arranged on a circle on the mounting plate and are aligned with their forming tools on a surrounding of the circle forming center, there to act in a predetermined manner to a workpiece reshaping.
  • the forming tools are bending punches which are moved axially back and forth in a plane of movement by means of their slide assemblies according to a predetermined movement profile in order to carry out a respective working stroke with return stroke.
  • the slide assemblies have numerically controlled, electric motor driven spindle drives as drive means for the forward and backward movements of the punch.
  • a tool guide plate in which guide channels are provided separately from the carriage assemblies, in which the respective punch received and stably guided to the axial forward and backward movement.
  • Such tool guide plates are intended with their guide channels ensure that the forming tools are stably guided in their desired orientation during their strokes, so that they can touch a respective workpiece in the forming center at the desired predetermined Maschinen Anlagenbeetzschungsstelle and then possibly deform in the desired manner.
  • the tool guide plate which is also referred to as a tool plate, usually consists of a hard steel and is designed to be customized for each individual product to be processed by the forming machine.
  • the tool plate normally equipped with a plurality of differently oriented guide channels for guiding various bending dies can also be designed with stationary tool elements, such as bending cores, die elements, etc. It usually has a complex shape and requires a relatively large amount of space in the area of the forming center, resulting in space utilization restrictions in the area of the forming center and restrictions on geometrical freedom in the design of tool elements, whether fixed tool elements or tools movably guided on the tool guide plate, leads. This has in practice often meant that a relatively large number of workpiece elements of different shapes and sizes was to be provided for the predetermined forming of a workpiece, which has led to high tooling costs.
  • the workpieces to be formed are sheet metal sections or wire sections of a strip material which is unwound from a coil. After the forming process, the formed workpieces are then ejected and collected or fed to another processing station.
  • the slide assemblies of the EP 2 641 669 known forming machine can be moved on its arrangement circle on the mounting plate by means of a controllable drive device in different basic positions and fixed there.
  • a controllable drive device To such a fixation on the mounting plate has Each carriage assembly on a mounting base, wherein the carriage assemblies are rotatable relative to this mounting base about a plane perpendicular to the plane of movement of the punch rotating axis to set in the respective particular base position an adjustment angle, so that the carriage assembly with its axially movable, to be connected to the punch tappet is positioned and aligned in alignment with the guide channel of the punch in the tool guide plate, that the punch from the carriage assembly for reciprocating movement along the guide channel can be driven.
  • This rotational movement of the carriage unit can be made by means of a controllable drive.
  • the carriage unit is preferably one with an electromotive drive which is numerically controllable, that is to say a so-called NC carriage unit or NC forming unit.
  • An essential feature of the present invention is that the forming machine has no tool guide plate or tool plate with guide channels in the plane of movement of the forming tool, so that the forming tool is guided in its strokes toward the Maschinen Swissbeaufschlagungsstelle and back exclusively by the carriage assembly and the Häzingsweg the forming tool in its plane of movement thus determined solely by the positioning and orientation of the carriage unit.
  • the forming center comprises the space that can be reached by the forming tool at its working strokes.
  • the Maschinen Swissbeaufschlagungsstelle is the place in the forming center, where the forming tool comes in its working stroke with the workpiece to be machined in touch.
  • the positioning control device is provided as belonging to the forming machine. It is operable to deviations of the positioning or alignment of the carriage assembly from a desired positioning and alignment of the To measure or detect carriage assemblies by measuring in the region of the Umformticians so that it can be determined by means of the Positionierkontroll adopted whether the forming tool deviates from its predetermined desired Häddlingsweg in Umformtechnik and in particular on or in the immediate vicinity of the predetermined Maschinen Swissbeaufschlagungsstelle. If such a deviation is found, then the measurement result can be used to adjust the forming tool with respect to its positioning and / or orientation, so that the deviation is at least reduced.
  • the Positionierkontroll nails is also a useful tool when installing or retrofitting the forming machine and that to control the correct positioning and alignment of the carriage assembly.
  • the carriage assembly has a mounting base by means of which it is fixable in a desired base position on the mounting plate, wherein the carriage unit is further rotatable in the respective base position relative to the mounting base about an axis perpendicular to the alignment axis of rotation about a respective adjustment angle of the forming tool to its orientation set relative to the Maschinen Swissbeaufschlagungsstelle.
  • Such a positioning and adjustment of a carriage assembly is of its kind, for example, from the aforementioned EP 2 641 669 A1 known.
  • a controllable rotary drive is provided for aligning the carriage assembly about the axis of rotation, which is equipped with a high angular resolution for the purpose of changing the operating angle of the carriage assembly and thus of the forming tool.
  • the carriage assembly should be slidably supported on the mounting plate and be fixable by means of the mounting base at different points of the mounting plate in a respective base position, by means of a controllable adjustment. It is advantageous if the different locations lie on a circular path that gives the forming center. The carriage unit is then normally aligned with the forming tool on the forming center. This also applies in the case of several slide assemblies to the mounting plate. However, this should not preclude other arrangements of the slide assemblies, for example linear arrangements in which the slide assemblies lie next to one another in a straight row.
  • the forming machine can be operated in a correction mode in which a deviation of the actual working movement path of the forming tool relative to the desired working movement path detected by the positioning control device can be reduced or compensated by changing the orientation of the carriage assembly. This can be done with sufficient accuracy often alone by rotating the carriage assembly about the axis of rotation perpendicular to the plane of movement of the forming tool.
  • the detection of an error of the working movement path should always be made by measurement in the forming center near the point where the forming tool should come into contact with a relevant workpiece. This ensures that at least in the space area in which it depends on the most accurate compliance with the target Hächisweges of the tool in the forming center, the deviations can be corrected with simple means.
  • the correction of the orientation of the carriage assembly can be controlled automatically by means of the provided controllable actuator means, in particular by means of the controllable rotary drive.
  • An automatic ongoing monitoring of compliance with the desired working movement path of the forming tool in the forming center is possible in accordance with a further preferred embodiment of the invention.
  • Suitable sensors such as linear encoders, magnetic distance sensors or inductive distance sensors or the like, can be used to detect the deviation of actual positions of the forming tool from desired positions.
  • the positioning control device comprises an optical position detection device, preferably image detection device for optical, in particular image-wise detection of actual positions of the carriage assembly and / or the forming tool, further comprising evaluation means for evaluation for the purpose of detecting deviations from each other assigned actual position data and target position data are provided as a basis for a particular automatic positioning and alignment correction of the carriage unit.
  • the optical position detection device may, for example, have one or more photocells or the like as sensors.
  • an image capture device it may have, for example, one or more camera sensors or cameras. According to a variant, the image capture device could capture still images in the sense of photographs.
  • the image capture device could be designed and configured to record moving images in the sense of film sequences in order to record the working movement path of the forming tool during its movement, for example.
  • the desired position data can be stored in a memory.
  • these desired position data are also generated on the basis of image data of a respective image capture device.
  • a reference image or a reference movie sequence in particular be absorbed by the forming center of the originally precisely equipped machine, the image data can then be provided after appropriate evaluation as desired position data.
  • the desired position data may also be computer-generated data with which the optically detected actual position data are automatically compared.
  • the monitoring process of the actual situation can, for example, be carried out automatically at regular intervals after certain time intervals.
  • a preferred embodiment of the method is based on the fact that small position deviations of the carriage assembly can be corrected by changing the adjustment angle by turning the carriage unit so far that they do not have any relevance after the correction at the tool loading point in the forming center.
  • the adjustment of the adjustment angle by rotating the carriage assembly about the axis of rotation can be done precisely with sufficient resolution of the controllable rotary drive used in a simple manner.
  • the step of detecting a deviation of the actual working movement path of the forming tool from a predetermined desired working movement path comprises optically detecting, in particular imagewise detecting actual positions of the carriage assembly and / or the forming tool by means of an optical position detection device, preferably image capture device - and comparing the thereby determined data with reference data of assigned desired positions of the carriage assembly and / or the forming tool.
  • the detection of actual positions of the forming tool does not require that the forming tool is actually installed during the measuring process.
  • an element of a measuring device for example an element provided with markings, instead of the forming tool in its position relative to the carriage unit.
  • the setting or adjustment of the adjustment angle of the carriage assembly is carried out by turning automatically in response to the determined deviation of the actual working movement path of the forming tool from the predetermined desired Agricultureboysweg means of a controllable rotary drive.
  • the step of detecting a deviation of the actual working movement path of the forming tool from a predetermined desired working movement path can be carried out continuously automatically according to a variant of the method, preferably also during the forming operation of the forming machine.
  • off EP 2 641 669 A1 known forming machine is a stamping and bending machine 1, which has a machine frame 3 with a frame 5 and a mounting wall 6, on which forming units 2 are mounted in an array on a circle 7 has.
  • the forming units 2 are slide units with axially movable back and forth ram 8, which have at their oriented to a forming center 9 front ends tool holder 4, where forming tools 10 are fixed.
  • the slide assemblies 2 have electronically controllable electric motors 11 as drive means for the linear feed and return stroke of the plunger 8 and the thereto by means of the tool holder 4 attached forming tools 10. Between the electric motor 11 and the plunger 8, the respective carriage unit 2 still has a gear, for example in the form of a spindle drive on.
  • the known generic forming machine 1 on a tool guide plate 13 which is equipped with guide channels 15 for the forming tools 10.
  • the guide channels lie in an alignment plane of the slide assemblies 2, which runs parallel to the mounting wall 6.
  • the forming tools, such as punch 10 are received in the guide channels 15 and stable in the execution of their strokes in the direction Umform scholar 9 and led back so that they on their predetermined target Häzingsweg at their working strokes during a forming process in the processing of a workpiece to be formed in Forming center 9 remain.
  • such tool guide plates 13 are formed relatively complex and designed individually for the particular special upcoming forming process.
  • the carriage assemblies 2 when installing the forming machine 1 for a specific forming task, the carriage assemblies 2 must be positioned exactly - and aligned so that they can move the forming tools 10 along the positive guides through the guide channels 15 largely without jamming back and forth.
  • the slide assemblies 2 can be automatically moved on the array circuit 7 in different basic positions.
  • they have mounting base 17 which engage behind the mounting wall 6 with engaging means by a circular groove defining the arrangement circle 7 and can be fixed in a respective base position on the mounting wall 6.
  • controllable actuator (not shown) is provided to move the carriage assemblies 2 along the arrangement circle 7.
  • Each carriage unit 2 is rotatable relative to its mounting base 17 about an axis of rotation 16 perpendicular to the plane of movement of the associated forming tool, so that a setting angle adjustment of the respective forming tool 10 is possible starting from a respective base positioning of the carriage unit 2 on the arrangement circle 7. (This is for some sledges 2 in FIG. 1 indicated by representation in two angular settings.)
  • each carriage unit 2 has a pivot bearing, which is provided on the mounting base 17.
  • a controllable rotary drive (not shown), by means of which each slide unit 2 is controlled independently of the other slide assemblies 2 about its axis of rotation 16 rotatable.
  • a forming machine according to the present invention Apart from the arrangement and use of a tool guide plate 13, a forming machine according to the present invention, the above-mentioned features of the forming machine according to FIG. 1 exhibit. In contrast to the generic forming machine according to FIG. 1 is dispensed with a forming machine according to the invention to separate guide channels for forming tools in the region of the Umform scholars, so that the Schwarzsweg each forming tool is determined solely by the positioning and orientation of the carriage assembly or the forming tool.
  • FIG. 2a shows the forming center 9 and its surroundings of an otherwise according to the generic machine FIG. 1 configured forming machine according to the invention, wherein the forming machine is already scaffolded with relevant tools.
  • FIG. 2b shows the machine section FIG. 2a without tools.
  • Elements in the FIGS. 2a and 2b and the other figures, the elements of FIG. 1 correspond are marked with correspondingly identical reference numbers.
  • Recognizable are in FIG. 2a with their forming tools 10 aligned on a forming center 9 slide assemblies 2 in the forming tools 10 are bending punch, which are front mounted on the plungers 8 of the carriage assemblies 2 and by means of this plunger 8 are axially moved forward and réellebewegbar to perform strokes and return strokes , They are not in guide, but are free forward from the ram 8 of the carriage assemblies 2 from.
  • the Schwarzsweg of the punch 10 of a respective slide assembly 2 is thus directionally determined by the positioning and orientation of the associated slide assembly 2.
  • a position and Alignment monitoring takes place by means of a positioning control device. This can be done after certain time intervals or continuously.
  • FIG. 3 is a possibility of positioning and alignment control of a respective carriage assembly 2 (here the carriage assembly 2a) shown outside of the forming operation of the forming machine.
  • an associated as an accessory to the forming machine measuring device 40 is provided, which is temporarily rotatably mounted on a central mandrel in the forming center 9 about a perpendicular to the plane of movement of the forming tool of the respective carriage assembly 2a extending axis of rotation 42 to a in his distal region of the respective forming tool resembling Ausrichtfinger 45 angularly adjustable.
  • This alignment finger 45 is along a linear guide 43 orthogonal to the axis of rotation 42 and parallel to the plane of movement of one of the respective carriage unit 2a linearly movable to moving forming tool.
  • the alignment finger 45 thus has a rotational degree of freedom determined by the rotatability of the measuring arrangement 40 and an additional degree of translational freedom determined by the mobility along the linear guide 43.
  • the adjustment of the alignment finger 45 and its angular orientation is measurable by means of a dial gauge 44, so that the orientation of a respective forming tool can be detected by aligning the alignment finger 45 axially with the carriage assembly 2a in such a way that it assumes the orientation that is on the plunger 8 has properly fixed forming tool 10 or would assume.
  • the Ausrichtfinger 45 lies in a different plane than the possibly underlying forming tool 10 so that it does not collide with the carriage assembly 2a at the front end of the ram or a possibly arranged thereon forming tool.
  • the positioning and alignment control shown can function without a built-in forming tool of the relevant carriage assembly 2a, since the alignment finger 45 can be oriented so that it points in the direction that the forming tool would occupy. In this case, the angle and displacement data of the alignment finger 45 are detected by means of the dial gauge 44.
  • FIG. 4 is a carriage assembly 2 with solid lines in an exact target positioning and alignment shown so that a designated fixed to the plunger 8 forming tool 10 has its assigned workpiece loading point 50 in the forming center 9 has reached with a corresponding forward stroke.
  • the carriage assembly 2 is this arranged with its mounting base 10 in a desired base position on the arrangement circle 7 - and aligned by setting angle adjustment by rotation about the axis of rotation 16 so to the forming center 9 that the forming tool 10 (in the example, a punch) his Soll Pakistanddlingsweg along the dash-dotted line 52 can follow the work strokes.
  • the axis 52 passes through the axis of rotation 70 and the Maschinennnenbeetzschungsstelle 50th
  • the point 55 on the axis 54 marks the point that reaches the forming tool with a specific point at its front end, when the stroke of the incorrectly positioned and aligned carriage assembly 2 corresponds to the stroke of the correctly positioned and aligned carriage assembly 2, with the latter its forming tool 10 has positioned with the appropriate location at the front end to the Maschinen Swissbeetzstoffsstelle.
  • the carriage unit 2 can be adjusted by rotating about its by the amount D relative to the target position on the array circuit 7 shifted axis of rotation 16 ', so that the axis 54 with the axis 56 which coincides between the axis of rotation 16 'and the Maschinen Swissbeetzungstician 50 in FIG. 4 extends.
  • the positioning deviation D of the carriage assembly on the arrangement circle 7 is not canceled, but this is not necessary in most cases, since the new Schwarzsweg the forming tool 10 along the axis 56 in the vicinity of the Maschinen Swissbeaufschlagungsstelle 50 only negligible from the target Häiolosweg along the axis 52 deviates, what in FIG. 4 is very easy to recognize.
  • the detection of the deviation A or a corresponding deviation measure in FIG. 4 can with the referring to FIG. 3 described measures.
  • an automatic detection and determination of the required adjustment angle change B by means of suitable measuring and evaluation means is preferred.
  • a particularly preferred embodiment of the invention is characterized in that the detection of the position and orientation of the carriage assemblies 2 is carried out optically by image recording by means of at least one camera which detects at least the forming center 9 and its surroundings. By evaluating the image data and comparison with corresponding target data position and alignment error of the carriage units 2 can then be determined in order to finally be able to correct them in the manner already explained.
  • FIGS. 5a and 5b A likewise preferred embodiment of a forming machine 1 according to the invention is partially in the FIGS. 5a and 5b shown.
  • This embodiment may have some or all features of the embodiments already discussed above and has as an additional feature a split tool holder 4 with a base frame 4 A, which is fixedly connected to the linearly displaceable plunger 8 of the carriage assembly 2 at its front end, and with an Justierrahmen 4B, which is guided on the base frame for carrying out adjusting movements relative to the carriage unit 2 along a rectilinear adjustment path in the example transverse to the longitudinal extension 52 of the carriage assembly 2 in the alignment plane or parallel thereto.
  • a split tool holder 4 with a base frame 4 A, which is fixedly connected to the linearly displaceable plunger 8 of the carriage assembly 2 at its front end, and with an Justierrahmen 4B, which is guided on the base frame for carrying out adjusting movements relative to the carriage unit 2 along a rectilinear adjustment path in the example transverse to the longitudinal extension
  • the Justierrahmen 4B is shown in a basic position on the base frame 4A, in which it is arranged substantially in alignment with the longitudinal extent 52 of the carriage assembly 2.
  • the Justierrahmen 4B is shown displaced out of its basic position along the Justierbahn so that it is laterally offset relative to the carriage unit 2.
  • a tool adapter 57 is provided, which for receiving and fixing a respective forming tool (in FIGS. 5a and 5b not shown) is used, so that the forming tool, for example along the horrausrichtachse 53 aligned fixed to the Justierrahmen 4B.
  • the Justierrahmen 4B can be fixed in any desired adjustment position on its limited linear Justierbahn means of a clamping screw assembly 60.
  • the complementary guide profiles of the base frame and the Justierrahmens of the tool holder may alternatively be shaped so that also obliquely to the longitudinal extent of the carriage assembly running or curved, for example.
  • Arc-shaped Justierbahnen present long ago the Justierrahmen is displaceable relative to the base frame of the tool holder.
  • the amount of displacement of the Justierrahmens 4B may be limited or fixed for example by one or more lateral stops for the Justierrahmen 4B or a forming tool already provided on the mounting wall 6 or a tool support plate 32 provided for stationary tools.
  • Such stops may be formed, for example, by one or more plug pins which are inserted in holes of a hole pattern on the mounting wall or on the tool carrier.
  • plug pins with different diameters or / and plug pins with eccentric circumferential contours can be kept in order to be able to use distance variations of the stops.
  • the stop pins may be removed after the conversion machine has been installed, i. optionally removed after appropriate adjustment of the or the forming tools. In other cases, such attacks may also remain as one-sided lateral guide means for the respective forming tool on the mounting wall or a plate optionally provided thereon during the subsequent forming processes.
  • the displaceability of the Justierrahmens 4B relative to the carriage unit 2 thus represents a further degree of freedom for correcting deviations A of the actual Häzingsweges a to the Justierrahmen 4B intended to be arranged forming tool 10 relative to its desired Häddlingsweg.
  • the carriage unit 2 If the associated carriage unit has been moved to a desired base position on the arrangement circle 7 on the mounting wall 6 and fixed there, it is possible for the carriage unit 2 to be about its axis of rotation 16 to turn in a desired alignment position towards the forming center 9. If desired and required, the adjusting frame 4B of the tool holder 4 can then be displaced relative to the carriage assembly 2 along the adjustment path.
  • This can be entirely or partially manual or according to a (not shown) development of the embodiment according to FIGS. 5a and 5b be done automatically by means of relevant actuators and under control of a control device. In this way, a forming tool to be arranged on the adjusting frame 4B is thus to be set so that it can perform its forming task precisely in the forming process.
  • a relevant positioning control device detects deviations of the actual working movement path of a forming tool 4B intended for the adjusting frame relative to its desired working movement path in the forming center 9, then in a correction mode of the forming machine 1 a correction adjustment of the forming tool can be made using the rotary degree of freedom of the slide unit 2 about its axis of rotation 16 and / or using the degree of freedom of displacement of the JustBEG 4B relative to the carriage unit 2 are performed.
  • the actual working movement path of the forming tool can always be monitored for deviations from the desired working movement path by means of the positioning control device, so that a running automatic correction in the described manner by rotating the carriage assembly and / or by displacing the adjusting frame is also possible can.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP17150968.0A 2016-03-18 2017-01-11 Umformmaschine und verfahren zur positionskorrektur des schlittenaggregates einer solchen umformmaschine Active EP3219406B1 (de)

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Application Number Priority Date Filing Date Title
PL17150968T PL3219406T3 (pl) 2016-03-18 2017-01-11 Maszyna do formowania oraz sposób korekty położenia agregatu saniowego takiej maszyny do formowania

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DE102016204572.5A DE102016204572A1 (de) 2016-03-18 2016-03-18 Umformmaschine und Verfahren zur Positionskorrektur des Schlittenaggregates einer solchen Umformmaschine

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EP3219406A1 EP3219406A1 (de) 2017-09-20
EP3219406B1 true EP3219406B1 (de) 2018-12-12

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DE102023201807A1 (de) * 2023-02-28 2024-08-29 Wafios Aktiengesellschaft Umformmaschine und Verfahren zur Herstellung komplex gebogener Formteile

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