EP2990192A1 - Moule de formage a compensation de tolerance - Google Patents

Moule de formage a compensation de tolerance Download PDF

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Publication number
EP2990192A1
EP2990192A1 EP15182414.1A EP15182414A EP2990192A1 EP 2990192 A1 EP2990192 A1 EP 2990192A1 EP 15182414 A EP15182414 A EP 15182414A EP 2990192 A1 EP2990192 A1 EP 2990192A1
Authority
EP
European Patent Office
Prior art keywords
tool
clamping plate
press
press forming
forming tool
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.)
Granted
Application number
EP15182414.1A
Other languages
German (de)
English (en)
Other versions
EP2990192B2 (fr
EP2990192B1 (fr
Inventor
Dipl.-Ing. Frost (FH) Georg
Oliver Lütkemeyer
Josef Köster
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.)
Benteler Automobiltechnik GmbH
Original Assignee
Benteler Automobiltechnik GmbH
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
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Application filed by Benteler Automobiltechnik GmbH filed Critical Benteler Automobiltechnik GmbH
Publication of EP2990192A1 publication Critical patent/EP2990192A1/fr
Application granted granted Critical
Publication of EP2990192B1 publication Critical patent/EP2990192B1/fr
Publication of EP2990192B2 publication Critical patent/EP2990192B2/fr
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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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/04—Movable or exchangeable mountings for tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • 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
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/02—Die-cushions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/007—Means for maintaining the press table, the press platen or the press ram against tilting or deflection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • B30B15/026—Mounting of dies, platens or press rams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/061—Cushion plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/062—Press plates
    • B30B15/064—Press plates with heating or cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/065—Press rams
    • B30B15/067—Press rams with means for equalizing the pressure exerted by a plurality of press rams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/068—Drive connections, e.g. pivotal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/24—Control arrangements for fluid-driven presses controlling the movement of a plurality of actuating members to maintain parallel movement of the platen or press beam
    • B30B15/245—Control arrangements for fluid-driven presses controlling the movement of a plurality of actuating members to maintain parallel movement of the platen or press beam using auxiliary cylinder and piston means as actuating members
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching

Definitions

  • the present invention relates to a press forming tool comprising an upper tool and a lower tool according to the features in the preamble of claim 1.
  • the object of the present invention is therefore to show a press forming tool in which a compensation possibility of upper tool and / or lower tool is provided, so that occurring during press forming production tolerances, especially for multi-dropping tools are lowered and possibly carried out during quench hardening better heat dissipation.
  • a press forming tool comprising an upper tool and a lower tool according to the features in claim 1.
  • the press forming tool has an upper tool and a lower tool, which are movable towards each other and formed with closed Pressumformwerkmaschinegne between the upper tool and lower tool a mold cavity.
  • a formed into a Pressumformbauteil board comes to rest, in particular, the surface of the board with a tool surface of the upper tool and with a tool surface of the lower tool comes to the plant contact.
  • a tool clamping plate is arranged on a press ram and / or a press table, wherein an at least one resilient adjusting element is mounted on the tool clamping plate with respect to this relatively movable upper tool or lower tool.
  • a press ram is thus provided in the region of the upper tool, wherein the press ram has a corresponding receptacle for a tool clamping plate, in which case the upper tool itself is in turn coupled to the tool clamping plate.
  • a press table is provided on which the tool clamping plate is fixed and then in turn on the tool clamping plate, the lower tool.
  • the upper tool or lower tool is now mounted relative to the tool clamping plate in a relatively movable manner.
  • the tool clamping plate first ensures that the resilient adjusting elements distributed on the tool clamping plate are transmitted homogeneously to the upper tool. If there is an imbalance, it becomes due to the relative movement and the then different distributing forming forces on the various resilient adjusting elements to a Nachschen and thus to a homogenization of the Umform body to be transferred.
  • the press forming tool according to the invention when forming the press forming tool according to the invention as a thermoforming and / or in particular press hardening or quenching tool, a nearly full surface contact of the tool surfaces with the surface of the board or of the produced press forming component is thus ensured.
  • this results in particular in the advantage that, when carrying out a quench hardening, it is ensured that the component has the desired quenching temperature and thus the desired hardened structure homogeneously and in particular in all required ranges. If, due to minimal air gaps, lower cooling rates occur, either stronger cooling capacities and / or larger time windows are used in order to reliably ensure that the press-hardening components have the desired hardness structure properties.
  • the tool clamping plate is coupled to the press table, in particular screwed or the tool clamping plate is coupled to the press ram, in particular screwed.
  • the press table would be coupled with a tool clamping plate and the press ram with another tool clamping plate.
  • the resilient adjusting elements are arranged in parallel staggered rows on the tool clamping plate.
  • a row consists of several, in particular 1 to 50, particularly preferably 2 to 30 and very particularly preferably 3 to 20 adjusting elements, wherein then offset parallel to each other at least 2, preferably in turn 2 to 30, in particular 3 to 20 rows are arranged with adjusting elements.
  • the rows themselves furthermore preferably have the same distance from each other as the individual adjusting elements in a row. This results in a uniformly distributed over the tool clamping plate pattern of resilient adjusting elements, so that the Pressumformkraft can be distributed according to homogeneous.
  • the adjusting elements are arranged distributed on the tool clamping plate, in particular distributed asymmetrically.
  • the distribution of the resilient adjusting elements are adapted to the back of the contour of upper tool or lower tool.
  • a special shape of the produced Pressumformbauteils be taken into account.
  • more resilient adjusting elements thus a greater number or density of actuators per surface, be arranged to compensate for the occurrence of increased forming forces, compared to areas in which only lower forming forces are necessary.
  • at least individual spring actuating elements can be blocked within the scope of the invention. This would particularly be the case with spring actuating elements arranged in series, so that, for example, in each case an entire row can be blocked. In the context of the invention, however, it would also be conceivable that targeted individual spring actuator elements are blocked.
  • the resilient adjusting elements are designed in particular as a mechanical spring. Very particularly preferably helical compression springs are used for this purpose. However, it is also disc springs, ringentellerfedern and / or sleeve springs conceivable. In the context of the invention, an arrangement is conceivable here such that the spring-elastic adjusting elements are arranged even under prestress between the upper tool and tool clamping plate or lower tool and tool clamping plate. Here is then in particular during assembly or a tool change of upper tool and lower tool a corresponding bias required.
  • the resilient actuator formed as a pneumatic and / or hydraulic spring element is.
  • the pneumatic and / or hydraulic spring element can be operated passively. This means that due to the suspension characteristics, a corresponding spring characteristic adjusts as the press pressure increases, and the press force is transmitted to the sheet metal blank to be formed or to the formed component at bottom dead center of the press and hence the clamping force.
  • the resilient actuator is designed as an actuator and is additionally actively controlled.
  • the elastic actuator pressing force can be increased by applying an operating pressure again and any remaining gap in the cavity between the tool surface and the surface of the component by the increased press force and a relative movement of the upper tool and / or lower tool are closed.
  • a corresponding operating pressure is applied to the resilient adjusting elements.
  • a damping bearing is furthermore arranged between a rear side of the upper tool and the tool clamping plate or else a rear side of the lower tool and the tool clamping plate.
  • the damping bearing is preferably a damping layer to avoid metal impacts.
  • the damping bearing prevents metal impact when the press forming tool is opened, so that there is no contact between the upper tool and tool clamping plate or lower tool and tool clamping plate, which damages the production process.
  • the damping bearing may in particular be formed, for example, from plastic or a rubber-like material and is applied in particular flat and / or strip-shaped. It can also be applied selectively.
  • mounting strips are provided on the tool clamping plate, which projecting beyond a surface of the tool clamping plate.
  • the back of the upper tool or the back of the lower tool with the Aufsetzangn would at least partially in contact and then transferred directly and not only on the resilient actuator the forming force. An unwanted shift due to excessive relative movement and / or unintentional deformation behavior of the board is thereby avoided.
  • both tools are each formed segmented, wherein the individual segments are mounted relatively movable to each other on the tool clamping plate. These are then also stored in each case relatively movable to the tool clamping plate.
  • a further advantageous embodiment variant of the invention provides that at least two upper tools or at least two lower tools are arranged side by side on a tool clamping plate, wherein the two upper tools or the two lower tools are supported relative to each other.
  • mutually different upper tools or lower tools are arranged transversely to the press ram or on the press table, so that different components can be produced with one press stroke.
  • a centering mandrel is arranged between press ram and press table, which linear, in particular vertically leads the closing movement of press ram and press table in Pressenhubides. This ensures that the relative movement due to the resilient actuating element mainly only in Pressenhubides is executed and not transverse to the Pressenhubides.
  • the centering mandrel is arranged between the upper tool and lower tool, so that in particular this avoids a corresponding relative movement straight in the transverse direction to the press stroke.
  • the resilient adjusting elements are provided by and / or integrated into the spring-elastic adjusting bolts, so that it is possible to perform a tool assembly.
  • a corresponding bias of the spring-elastic actuating elements can be realized in particular in the screw through the adjusting elements by bolting in tool mounting.
  • the upper tool or the lower tool are mounted on the respective tool clamping plate by means of sliding blocks, in particular by means of double-T slot nuts form fit.
  • a second embodiment of the present invention provides that the upper tool and / or the lower tool are relatively movably coupled by means of sliding blocks on the tool clamping plate, wherein a sliding block, a guide portion and an abutment portion has.
  • the sliding blocks for this purpose are T-shaped.
  • the T-leg forms the guide section, which also leads linearly simultaneously in the vertical direction and avoids a relative movement transversely to the Pressenhubides.
  • the cross bar of the T forms an abutment portion, so that a relative movement is limited upon reaching the cross bar. If, for example, the tool clamping plate is described on the upper tool, this is coupled to the press ram.
  • the press-forming tool 101 is shown in a side cross-sectional view.
  • the press-forming tool 101 has a press ram 102, which is shown in the image plane from top to bottom, with the press ram 102, not shown in detail, being coupled to the upper tool 103.
  • About the press ram 102 is now a press force F relative to a vertical direction V, which simultaneously corresponds to the press stroke, applied and the upper tool 103 and a lower tool 104 is closed.
  • a mold cavity 105 with a circuit board, not shown, in the invention, the board is particularly preferably with the respective tool surfaces 106, 107 over the entire surface to the plant.
  • the invention provides that on a press table 108, a tool clamping plate 109 is arranged and 109 different spring-elastic adjusting elements 110 are arranged between the lower tool 104 and tool clamping plate.
  • the resilient adjusting elements 110 By means of the resilient adjusting elements 110, it is possible that the lower tool 104, the in FIG. 2 Exaggerated illustrated relative movement significantly in the vertical direction V performs. A guide not shown prevents slipping of the lower tool 104 in the horizontal direction H itself.
  • a media line 111 by means of which the resilient actuating elements 110 are actively controlled. Actively activatable means within the scope of the invention, in particular, that the spring characteristic and / or damping characteristic of the spring-elastic actuating element 110 is adjustable.
  • actively controllable within the scope of the invention may also mean that the spring-elastic adjusting elements 110 can be blocked hereby.
  • the tool clamping plate 109 itself is fixedly connected to the press table 108 by means of bolts 112.
  • the lower tool 104 is also coupled via sliding blocks 113 with the tool clamping plate 109 in turn.
  • the sliding blocks 113 are the For clarity, shown greatly enlarged.
  • the sliding blocks 113 have an end stop 114 in the region of a T-shaped web, so that no relative movement between the tool clamping plate 109 and the lower tool 104 is made possible beyond the end stop 114.
  • both upper tool 103 and lower tool 104 have cooling channels 115, through which a corresponding cooling medium can be conducted, so that the press hardening can be carried out.
  • a tool clamping plate 109 between the press ram 102 and upper tool 103 may be arranged.
  • FIGS. 3a and b Shown in the FIGS. 3a and b is an alternative embodiment variant in transverse and longitudinal sectional view.
  • the press forming tool 101 according to FIG. 3 has in turn a press ram 102 and a press table 108.
  • the lower tool 104 is fixed on a tool clamping plate 109, wherein the tool clamping plate 109 is itself coupled by means of bolts 112 with the press table 108.
  • no resilient adjusting elements between tool clamping plate 109 and lower tool 104 are incorporated.
  • These are shown here incorporated on the upper tool 103, which in turn can also be actively controlled via a media line 111.
  • the advantage in particular in this embodiment variant is that no dirt falls between the upper tool 103 and the tool clamping plate 109 due to the gravitational force in the vertical direction V and thus always free mobility for carrying out the relative movement is possible.
  • the tool clamping plate 109 is in turn fastened by means of bolts 112 to the press ram 102. Further illustrated here are corresponding cooling channels 115.
  • FIG. 4 shows a design variant of a press forming tool 101 according to the invention as a quadruple falling tool.
  • four upper tools 103.1, 103.2, 103.3, 103.4 are shown side by side on two tool clamping plates 109.1, 109.2 likewise arranged next to one another on the press ram 102.
  • four lower tools 104.1, 104.2, 104.3, 104.4 are formed, the four lower tools 104.1, 104.2, 104.3, 104.4 corresponding in pairs corresponding to corresponding tool clamping plates 109.3, 109.4 are arranged on the press table 108.
  • the incoming upper tool 103.1, 103.2, 103.3, 103.4 can thus align with the lower tool 104.1, 104.2, 104.3, 104.4 relative to one another in such a way that upon reaching the bottom dead center a corresponding uniform and full-surface contact with the system and / or. or tolerance compensation takes place.
  • the two pairs of tools on a tool clamping plate 109 can also be two temporally successive process stages. For example, in the first pair of tools a hot working can be carried out and in the second pair of tools a cooling stage in the form of a press hardening. Both stages are then carried out in the same press cycle.
  • FIG. 5 a and b shows a sectional view through a tool falling twice as shown here.
  • two upper tools 103.1, 103.2 and two lower tools 104.1, 104.2 are each arranged on a tool clamping plate 109.
  • the upper tools 103 have between them and the tool clamping plate 109, the resilient actuating elements 110 according to the invention. If there is now a delay in the bottom dead center shown here when exerting the pressing force both in the transverse direction according to FIG. 5a as well as in the longitudinal direction according to FIG. 5b Thus, it is possible by the various self-adjusting lengths of the resilient adjusting elements 110 in the vertical direction V to transmit a homogenization of the applied pressing force F in the vertical direction V to the formed component in the mold cavity 105.
  • FIG. 6 shows a design variant of the press forming tool 101 according to the invention with a centering mandrel 116 arranged on the outside.
  • This directs the press ram 102 shown here to the press table 108 with respect to the horizontal direction during execution of the closing movement in Vertical direction V off. Consequently, there is a centering in the horizontal direction H and a linear guide in the vertical direction V.
  • the individual tool clamping plates 109 to each other and / or upper tool 103 and lower tool 104 align each other due to a respective centering mandrel 116.
  • a respective centering mandrel 116 in the upper tool 103 and lower tool 104. The respective centering then stands, in particular with respect to the lower tool 104 shown here and engages in a centering opening 124 in the upper tool 103 a.
  • FIGS. 7 a and b show a tool clamping plate 109 according to the invention in plan view and side view. It can be seen that with respect to a surface 117 of the tool clamping plate 109, the spring-elastic adjusting elements 110 survive. These have a distance a to each other. Further illustrated in the plan view according to Figure 7a in that the individual rows 119 also have a corresponding row spacing ra between them. Preferably, the row spacing ra is equal to the distance a of the individual spring-elastic adjusting elements 110 with each other. Also shown are clamping slots 118 for inserting not shown nuts 113, so that on a tool clamping plate 109, the upper tool and the lower tool can be coupled.
  • the resilient adjusting elements 110 may be formed in the form of cylinders, for example, cylinder hoods, which then in turn receive the resilient actuator 110, for example in the form of a coil spring and protect against wear, damage and contamination.
  • the resilient adjusting elements 110 or cylinder relative to the surface 117 of the tool clamping plate 109 has a stroke of up to 50 mm, in particular up to 30 mm and preferably up to 10 mm and in particular a stroke of 5 mm, in particular up to 2 mm , preferably less than 1 mm with respect to the surface 117 of the tool clamping plate 109th
  • FIG. 7b Further schematically shown in FIG. 7b is at the image plane related to the lower resilient actuator 110, that this is at least partially mounted in the tool clamping plate 109 and projects with a part relative to the surface 117 of the tool clamping plate 109.
  • the spring-elastic actuating element 110 is mounted completely in the tool clamping plate 109 and is then moved out of the operating position as required, in particular with active spring-elastic actuating elements 110, this embodiment variant is conceivable.
  • FIG. 8 Further shown in FIG. 8 is the schematic coupling possibility of an upper tool 103 to a tool clamping plate 109 by means of double-T sliding blocks 120.
  • the resilient adjusting elements 110 hold the upper tool 103 at a distance b relative to the surface 117 of the tool clamping plate 109.
  • the double-T sliding block 120 is at its respective T-leg 121 is provided with a damping bearing 125, so that when the opening movement is carried out there is no impact due to reaching the respective abutment portion.
  • the double-T sliding block 120 can, as shown here, enter a cavity 122 of the tool clamping plate 109 when the bottom dead center is reached.
  • both in the upper tool 103 and in the tool clamping plate 109 each have a cavity 122 is present.
  • An alternative embodiment variant is that only in the upper tool 103 a not shown here cavity 122 would be present. It is further shown that the web 123 in the horizontal direction H abuts almost positively, so that here is a guide, whereas in the vertical direction V, a relative movement is made possible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Press Drives And Press Lines (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
EP15182414.1A 2014-08-27 2015-08-25 Moule de formage a compensation de tolerance Active EP2990192B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014112325.5A DE102014112325B4 (de) 2014-08-27 2014-08-27 Pressumformwerkzeug mit Toleranzausgleich

Publications (3)

Publication Number Publication Date
EP2990192A1 true EP2990192A1 (fr) 2016-03-02
EP2990192B1 EP2990192B1 (fr) 2022-04-13
EP2990192B2 EP2990192B2 (fr) 2024-10-30

Family

ID=54007616

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15182414.1A Active EP2990192B2 (fr) 2014-08-27 2015-08-25 Moule de formage a compensation de tolerance

Country Status (5)

Country Link
US (1) US10322443B2 (fr)
EP (1) EP2990192B2 (fr)
CN (1) CN105382098B (fr)
DE (1) DE102014112325B4 (fr)
ES (1) ES2919865T5 (fr)

Cited By (4)

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WO2019034464A1 (fr) * 2017-08-14 2019-02-21 Kirchhoff Automotive Deutschland Gmbh Outil de presse
EP3184186B1 (fr) 2014-12-23 2019-10-09 Benteler Automobiltechnik GmbH Outil de déformation à chaud segmenté monté sur ressort
CN110681751A (zh) * 2019-10-14 2020-01-14 内江恒威派腾科技有限公司 一种冲压机械加工设备
US12409675B2 (en) * 2019-04-12 2025-09-09 Andritz Schuler Pressen Gmbh Tool unit, press for holding such a tool unit and method for a ready-to-operate arrangement of the tool unit in the holder of the press

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CN106513486B (zh) * 2017-01-03 2018-08-31 安徽工业大学 一种基于并联机构的板料充液拉深成形方法
CN108043959A (zh) * 2017-11-08 2018-05-18 浙江吉利汽车研究院有限公司 一种热成形装置
DE102018106312A1 (de) * 2018-03-19 2019-09-19 Auto-Kabel Management Gmbh Toleranzausgleich für Flachteile
CN108574241A (zh) * 2018-05-10 2018-09-25 安徽自动化仪表有限公司 一种使用方便的电缆桥架
US20210039423A1 (en) * 2019-08-07 2021-02-11 Entrust Datacard Corporation Ribbon impresser/indenter for plastic cards
JP6840448B1 (ja) * 2020-01-31 2021-03-10 旭精機工業株式会社 プレス機及びプレス製品の製造方法
DE102020204004A1 (de) 2020-03-27 2021-09-30 Robert Bosch Gesellschaft mit beschränkter Haftung Ausgleichsvorrichtung und Pressvorrichtung
CN112277357A (zh) * 2020-09-21 2021-01-29 常德非凡照明电器有限公司 一种led灯灯芯用压制设备
US12570031B2 (en) 2020-09-25 2026-03-10 Lego A/S Mold tool for injection molding
WO2022114113A1 (fr) * 2020-11-27 2022-06-02 日本製鉄株式会社 Dispositif de presse et procédé permettant de fabriquer un article moulé à la presse
US12528263B2 (en) * 2020-11-27 2026-01-20 Nippon Steel Corporation Press apparatus and method of manufacturing press-formed product
CN112757686A (zh) * 2020-12-30 2021-05-07 中国兵器装备集团自动化研究所 具有柔性的上冲头装置
DE102021100281B3 (de) 2021-01-11 2022-05-05 Audi Aktiengesellschaft Umformwerkzeug sowie Verfahren zum Betreiben eines Umformwerkzeugs
US12384069B1 (en) 2021-04-07 2025-08-12 Nicholas R. Bechen Apparatus, system, and method for producing and positioning multi-tire structural features
CN115318948B (zh) * 2022-07-27 2025-06-03 中机精冲科技（福建）有限公司 一种异形大尺寸精冲件加工工艺及生产线
CN116460206A (zh) * 2023-03-21 2023-07-21 华南理工大学 一种板料冲压成形回弹局部耦合控制方法

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ES2919865T5 (en) 2025-02-13
DE102014112325B4 (de) 2016-12-22
ES2919865T3 (es) 2022-07-28
DE102014112325A1 (de) 2016-03-03
CN105382098A (zh) 2016-03-09
US10322443B2 (en) 2019-06-18
US20160059296A1 (en) 2016-03-03
CN105382098B (zh) 2020-10-27
EP2990192B2 (fr) 2024-10-30
EP2990192B1 (fr) 2022-04-13

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