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EP2258498A1 - Presse mécanique destinée à couper fin, déformer et/ou imprégner des pièces usinées - Google Patents

Presse mécanique destinée à couper fin, déformer et/ou imprégner des pièces usinées Download PDF

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Publication number
EP2258498A1
EP2258498A1 EP20090007351 EP09007351A EP2258498A1 EP 2258498 A1 EP2258498 A1 EP 2258498A1 EP 20090007351 EP20090007351 EP 20090007351 EP 09007351 A EP09007351 A EP 09007351A EP 2258498 A1 EP2258498 A1 EP 2258498A1
Authority
EP
European Patent Office
Prior art keywords
mechanical press
press according
frame
motors
phase synchronous
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
EP20090007351
Other languages
German (de)
English (en)
Other versions
EP2258498B1 (fr
Inventor
Markus Dipl.-Ing. Schaltegger
Alfio M-Ing. Cristofaro
Jürg M-Ing. Ochsenbein
Lukas El-Ing. Hüppi
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.)
Feintool Intellectual Property AG
Original Assignee
Feintool Intellectual Property AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Feintool Intellectual Property AG filed Critical Feintool Intellectual Property AG
Priority to EP20090007351 priority Critical patent/EP2258498B1/fr
Priority to CA2705649A priority patent/CA2705649C/fr
Priority to JP2010126757A priority patent/JP5702079B2/ja
Priority to CN2010101974031A priority patent/CN101905263A/zh
Priority to US12/793,127 priority patent/US8230781B2/en
Priority to KR1020100052464A priority patent/KR101765904B1/ko
Publication of EP2258498A1 publication Critical patent/EP2258498A1/fr
Application granted granted Critical
Publication of EP2258498B1 publication Critical patent/EP2258498B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/10—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism
    • 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
    • B21J9/10—Drives for forging presses
    • B21J9/18—Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/10—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism
    • B30B1/14—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism operated by cams, eccentrics, or cranks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/14—Control arrangements for mechanically-driven presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/26—Programme control arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8821—With simple rectilinear reciprocating motion only
    • Y10T83/8841—Tool driver movable relative to tool support
    • Y10T83/8845—Toggle links, one link pivoted to tool support

Definitions

  • the invention relates to a mechanical press for fineblanking, forming and / or embossing of workpieces, comprising a machine frame composed of a head piece and an O-frame, a hanging attached to the head piece, extending into the O-frame fine blanking or forming head with a fixed thereto upper tool part, a guided in the O-frame vertically on a lifting axis plunger, which is provided with a table top for fixing a lower tool part, and arranged below the plunger toggle drive.
  • a second tab is connected at one end to the plunger and at the other end to the connecting rod.
  • the fixed bearing of this known modified toggle lever is located above the press ram and the pivot point associated with this fixed point pivots about this fixed point.
  • the upper hinge point associated with the press ram describes a curved path.
  • Such a modified toggle drive leads to a slowing of the plunger movement, so that the material remains at bottom dead center enough time for plastic flow.
  • the disadvantage is that on the one hand the bearing for the connecting rod belonging to the tab and the plunger are on different mutually shifted axes and on the other hand, the fixed bearing for the eccentric shaft is arranged close to the plunger.
  • the present invention seeks to provide a mechanical press for fineblanking, forming and embossing operations, the flywheel works in a wide nominal force range, the rigidity of the toggle lever at top dead center significantly improved, reduces the massiveness of the machine frame and with a significantly reduced drive power despite elimination of the flywheel manages.
  • the solution according to the invention is based on the finding that the stroke axis of the plunger must be arranged on the axis of the fixed bearing for the triangular connecting rod, so that at the top dead center of the plunger, the articulated arms connecting the fixed bearing and the connecting rod and the plunger and the connecting rod reach a largely extended position can.
  • the extended position of the articulated arms acting on the plunger horizontal force components take very low values, so that a largely optimal power transmission from the eccentric and motor on the plunger is made possible without significant loss and wear of the plunger.
  • the substantially equilateral triangle formed connecting rod has two superimposed hinge points, of which the lower pivot point pivots about a disk-like lower articulated arm about a foot side arranged on the O-frame fixed bearing and the upper articulated arm associated with the ram with the lower disk-like articulated arm has a largely extended position relative to the lifting axis, the locating bearing of the lower articulated arm being located on the lifting axis of the ram and the connecting rod being assigned two eccentric shafts aligned with their axes and mounted in fixed bearings, the opposite shaft ends are connected to their simultaneous parallel drive with three-phase synchronous motors, the motors are adjustable to mutually equal path-time characteristics by means of a computer connected to the motors.
  • designed as an O-frame stand of the machine frame has foot-side and parallel juxtaposed backpack-like pockets for the formation of the fixed bearing of the eccentric shaft and the horizontal connection of the three-phase synchronous motors.
  • the mutually facing ends of the eccentric shafts are mechanically firmly connected to each other. This can advantageously be done by a coupling piece, which connects the two shaft ends with each other in a rotationally fixed.
  • the three-phase synchronous motors are then horizontally aligned with their drive shafts in alignment with each other and are mechanically frictionally connected via one gear each having one end of the eccentric shaft.
  • the three-phase synchronous motors are controlled by the computer as a unit, so that the required electrical values of the motors can be set so that the value-time characteristics of both motors are identical.
  • the mutually facing ends of the eccentric shafts are not connected to each other, so are designed to be open.
  • the three-phase synchronous motors then independently transmit their drive power gearless to the eccentric shafts.
  • Each three-phase synchronous motor is controlled separately by the computer and set to identical path-time characteristics. But it can also be different path-time characteristics are selected to compensate for any tilting of the plunger with eccentric tool load.
  • the head piece torsion on the O-frame is held by screw.
  • the head piece and O-frame made of thin-walled high-strength ductile iron.
  • Fig. 1 a partial representation of a toggle press according to the prior art
  • Fig. 2 a schematic representation of the kinematics according to the prior art
  • FIG. 3a and 3b schematic representations of the kinematics according to the invention at the top and bottom dead center
  • Fig. 4 a perspective view of the machine frame of O-frame without mounted head piece with inserted ram and eccentric shafts
  • Fig. 5 a section along the line AA the Fig. 4 .
  • Fig. 6 a fragmentary perspective view of the machine frame with connected by eccentric shaft and gearbox three-phase synchronous motors
  • Fig. 7 a section along the line BB of Fig. 6 and
  • Fig. 8 a perspective view of the machine frame of O-frame and head piece.
  • the Fig. 1 shows a toggle press 1 of the prior art, which is assumed.
  • a plunger 3 is mounted vertically displaceable.
  • a table 4 (see Fig. 2 ), which is mounted on the machine frame 2.
  • the table 4 serves to receive a lower tool and the plunger 3 is adapted for receiving an upper tool.
  • the plunger 3 is driven by a ram actuated, to which a modified toggle mechanism 5 belongs, which is driven by an eccentric shaft 6.
  • This is driven by a gear means, such as a gear, and an electric motor.
  • a gear means such as a gear
  • an electric motor between the electric motor and the gear, an auxiliary gear, for example a planetary gear, can be arranged.
  • the kinematics of the known toggle mechanism 5 goes out of the Fig. 1 and 2 out.
  • a bearing point L1 eccentric shaft 6 On the rotatably mounted on a bearing point L1 eccentric shaft 6 is seated an eccentric 7.
  • a connecting rod 8 is mounted with a corresponding connecting rod bearing 9.
  • the connecting rod 8 has at its end remote from the eccentric 7 a head 10, on which two spaced-apart bearings 11 and 12 are formed.
  • the bearings define a triangle with the center of the connecting rod bearing 9. This goes in particular from the Fig. 2 out.
  • the corresponding distances are designated as distances E5, E6 and E8.
  • the eccentricity of the eccentric 7 is the dimension E4.
  • the eccentric shaft 6 is rotatable about a rotation axis D which is stationary in the machine frame 2.
  • L1 denotes the fixed bearing for the eccentric shaft. 6
  • the connecting rod 8 is connected via tabs or articulated arms 13 and 14 with the machine frame 2 and the plunger 3.
  • the tab 13 is pivotally mounted by means of a bearing pin 15 at the connection portion 16 of the connecting rod 8 and at its other end with a bearing pin 17 fixed to the machine frame 2.
  • This bearing pin 17 forms for the tab 13, the fixed bearing L2, which is thus arranged above the plunger 3 and 4 of the table.
  • the tab 13 is with E7 in Fig. 2 designated.
  • the tab 14 is pivotable at its one end about a bearing pin 18 in the terminal portions 19 of the connecting rod 8, while the other end of the tab 14 is pivotable about a bearing pin 20 in the plunger 3.
  • the Fig. 3a to 3b schematically shows the kinematics of the toggle lever in the bottom and top dead center of the plunger in the press according to the invention.
  • the plunger 3 carries a table top 21, at the one not shown lower tool part is fixed, so that the table top 21 performs with the tool part as well a lifting movement.
  • the connecting rod 8 forms like the Fig.
  • 3a and 3b schematically show an equilateral effective triangle DE whose base G denotes the head 10 of the connecting rod 8 and two superimposed hinge points 22 and 23 has.
  • a disc-like articulated arm 24 is pivoted at one end thereof, while the other end of the articulated arm 24 is pivotally mounted in the hinge point 25 of the plunger 3.
  • a fixed bearing FL1 In alignment with the vertical stroke axis HU of the plunger 3 is the base side of the machine frame 2, a fixed bearing FL1, in which a disk-like trained lower articulated arm 26 is fixedly mounted with its one end.
  • the articulated arm 26 is thus pivotable about the bearing FL1.
  • the other end of the articulated arm 26 is pivoted at the lower pivot point 23 of the connecting rod 8.
  • a hinge point 28 on which the eccentric 7 engages, which is rotatable about a stationary bearing FL2 held on the machine frame 2.
  • This bearing FL2 is approximately in alignment with the lower hinge point 23, so that the bearing FL1 of the lower articulated arm 26 and the bearing FL2 of the eccentric shaft 6 can be arranged in the foot or in the machine frame 2 and thus lie close to the center of gravity of the entire press structure.
  • Fig. 3a is the plunger 3 in bottom dead center UT.
  • the lower mounted in the bearing FL1 articulated arm 26 has completed a pivoting movement, which is indicated by the pivoting path S1.
  • the articulated arms 24 and 26 have moves accordingly with their articulation points 22 and 23.
  • the Fig. 3b shows the plunger 3 at top dead center OT.
  • the articulated arms 24, 26 and the base side G of the connecting rod 8 take a largely extended position, which is characterized in that the deflection of the articulated arm 24 and 26 is only about 4 ° relative to the stroke axis HU of the plunger 3. This makes it possible to significantly minimize horizontal force components in the power transmission to the plunger 3, so that the power transmission from the drive to the plunger can be done largely without loss and at the same time the wear of the plunger 3 is reduced to its plunger guide.
  • FIG. 4 the O-frame 29 of the machine frame 2 with mounted ram 3 is shown in perspective.
  • the O-frame 29 is made of high-strength nodular cast iron.
  • At the foot-side rear side of the O-frame 29 are each two with lateral openings 31 (see Fig. 8 ) provided, backpack-like pockets 30 formed.
  • an eccentric shaft 6 is mounted, whose axes D are aligned with each other in alignment.
  • the mutually facing shaft ends 32 of the two eccentric shafts 6 are rotatably connected to each other by a coupling piece 33 (see Fig. 6 ).
  • Each of the eccentric shafts 6 engages in each case the disk-like connecting rod 8 inserted in the pockets 30, which is mounted on the eccentric shaft 6 by a connecting rod bearing.
  • the pockets 30 on the O-frame 29 form the fixed bearing FL2 for the eccentric shafts 6 and support the following described synchronous three-phase motors 34 and 35 (see Fig. 6 ).
  • Fig. 5 making a cut along the AA line of the Fig. 4 represents, illustrates the extended position of Fig. 3 schematically illustrated disc-like articulated arm 24 and 26 at the top dead center of the plunger. 3
  • the Fig. 6 shows a fragmentary perspective view of the interconnected with the coupling piece 33, mutually facing shaft ends 32 of the eccentric shafts 6.
  • the opposite ends 36 of the eccentric shafts 6 are respectively connected via a planetary gear 37 with the three-phase synchronous motors 34 and 35.
  • a three-phase synchronous motors 34 and 35 can be used by the special kinematics of the toggle drive according to the invention small engines with high torques at low engine speeds without flywheel. Therefore, torque motors have proven particularly suitable.
  • the parallel synchronous three-phase synchronous motors 34 and 35 are each connected to a computer belonging to the computer 38, which processes the machine data and the two motors identical path-time characteristics (see Fig. 7 ). This is done as follows.
  • the setpoints which are based on the machine and process data of the fineblanking or forming process, are determined via a virtual master axis.
  • the virtual axis is a non-existing drive whose speed and bearing values are determined by the computer and given to the motors as control variables in coordination with the process parameters.
  • the two torque motors run as slave axes to the virtual master axis.
  • the Fig. 8 shows the machine frame 2 in a perspective view. It is composed of the O-frame 29 and a head piece 39.
  • the head piece 39 is placed on the O-frame 29 and fixed by means of high-strength screw 27 at the upper part of the O-frame 2 torsion-free. For this purpose, 29 holes are introduced with internal thread in the upper part of the O-frame, are screwed into the bolt with external thread.
  • the head piece 39 is fixed by nuts screwed onto the bolts.
  • the headpiece 39 is formed so that an unillustrated fine blanking or forming head can be mounted thereon with an upper tool part that can be positioned in a hanging position through the top opening of the O-frame 29 in height.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Presses And Accessory Devices Thereof (AREA)
EP20090007351 2009-06-03 2009-06-03 Presse mécanique destinée à couper fin, déformer et/ou imprégner des pièces usinées Active EP2258498B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP20090007351 EP2258498B1 (fr) 2009-06-03 2009-06-03 Presse mécanique destinée à couper fin, déformer et/ou imprégner des pièces usinées
CA2705649A CA2705649C (fr) 2009-06-03 2010-05-27 Presse mecanique pour decoupage fin, formage et/ou estampage de pieces
JP2010126757A JP5702079B2 (ja) 2009-06-03 2010-06-02 被加工物を精密打抜き、変形、および／または型押し加工するための機械プレス装置
CN2010101974031A CN101905263A (zh) 2009-06-03 2010-06-03 用于精密冲裁、成形和/或冲压工件的机械压力机
US12/793,127 US8230781B2 (en) 2009-06-03 2010-06-03 Mechanical press for fine blanking, forming and/or stamping of work pieces
KR1020100052464A KR101765904B1 (ko) 2009-06-03 2010-06-03 공작물을 파인 블랭킹, 포밍 및/또는 스탬핑하기 위한 기계 프레스

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20090007351 EP2258498B1 (fr) 2009-06-03 2009-06-03 Presse mécanique destinée à couper fin, déformer et/ou imprégner des pièces usinées

Publications (2)

Publication Number Publication Date
EP2258498A1 true EP2258498A1 (fr) 2010-12-08
EP2258498B1 EP2258498B1 (fr) 2012-12-26

Family

ID=41268308

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090007351 Active EP2258498B1 (fr) 2009-06-03 2009-06-03 Presse mécanique destinée à couper fin, déformer et/ou imprégner des pièces usinées

Country Status (6)

Country Link
US (1) US8230781B2 (fr)
EP (1) EP2258498B1 (fr)
JP (1) JP5702079B2 (fr)
KR (1) KR101765904B1 (fr)
CN (1) CN101905263A (fr)
CA (1) CA2705649C (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102173075A (zh) * 2010-12-14 2011-09-07 山东科技大学 一种机械式伺服压力机
EP2527136A1 (fr) * 2011-05-27 2012-11-28 Siempelkamp Maschinen- und Anlagenbau GmbH & Co. KG Presse continue pour la compression de mats de matériau comprimable en plaques de matériau comprimable
WO2019170571A1 (fr) * 2018-03-05 2019-09-12 Arcofil S.A. Presse electrique a moteur torque
CN112091145A (zh) * 2020-09-28 2020-12-18 高密三江机械制造有限公司 一种平锻机肘杆机构及其加工工艺

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012102527B4 (de) * 2012-03-23 2014-10-09 Schuler Pressen Gmbh Pressenantrieb mit mehreren Arbeitsbereichen
US9387529B2 (en) * 2013-03-15 2016-07-12 Honda Motor Co., Ltd. Forming press
RU2583211C1 (ru) * 2014-11-18 2016-05-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный технологический университет "СТАНКИН" (ФГБОУ ВПО МГТУ "СТАНКИН") Коленно-рычажный привод механического пресса с двойным проходом крайнего рабочего положения ползуна
US10744550B2 (en) * 2017-04-25 2020-08-18 Stolle Machinery Company, Llc Eccentric second connecting rod subassembly
CN107159832B (zh) * 2017-06-20 2018-11-27 安徽普伦智能装备有限公司 一种自动锻打机器人
EA038760B1 (ru) * 2018-06-20 2021-10-15 Республиканское Государственное Предприятие На Праве Хозяйственного Ведения "Институт Механики И Машиноведения Имени Академика У.А. Джолдасбекова" Механизм кривошипно-коленного пресса
WO2020239736A1 (fr) 2019-05-27 2020-12-03 Bobst Mex Sa Presse à plateau muni d'un mécanisme à genouillère de presse
CN112959711B (zh) * 2021-02-04 2023-02-17 一重集团大连工程技术有限公司 一种八连杆压力机传动机构

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US2334082A (en) * 1941-10-13 1943-11-09 Major E Gates Molding press
US2471563A (en) * 1944-02-25 1949-05-31 Major E Gates Toggle press and method for molding articles from granular material
EP0993932A2 (fr) * 1998-10-12 2000-04-19 STRIP's d.o.o. Podjetje za svetovanje trzenje in proizvodnjo Presse entrainée par genouillère
DE19935655A1 (de) 1999-07-29 2001-02-01 Schuler Pressen Gmbh & Co Pressenbaureihe mit Vorsatzgetriebe
DE19935656A1 (de) 1999-07-29 2001-02-01 Schuler Pressen Gmbh & Co Pressenbaureihe
DE10065256A1 (de) 2000-12-29 2002-07-11 Schuler Pressen Gmbh & Co Vorrichtung zum Antrieb wenigstens eines Stößels einer Presse
DE10065260A1 (de) 2000-12-29 2002-07-11 Schuler Pressen Gmbh & Co System zur Festlegung des Aufbaus einer Presse
DE102006056520A1 (de) * 2006-11-30 2008-06-05 Schuler Pressen Gmbh & Co. Kg Presse mit Kurvenkorrektur

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GB2156724A (en) * 1984-02-28 1985-10-16 Cincinnati Milacron Ind Inc Press and method of operating same
EP0250610B1 (fr) * 1986-06-20 1990-04-04 E. Bruderer Maschinenfabrik AG Presse à genouillère, à découper et à déformer
DE8890008U1 (de) * 1987-02-03 1990-07-12 Bruderer Ag, Frasnacht-Arbon Pressenantrieb
US6405576B1 (en) * 1999-11-30 2002-06-18 Aida Engineering Co., Ltd. Linear slide press machine
DE10065255B4 (de) * 2000-12-29 2005-02-17 Schuler Pressen Gmbh & Co. Kg Mehrstufenpresse
JP2004337959A (ja) * 2003-05-19 2004-12-02 Komatsu Ltd サーボトランスファプレス
JP2005118792A (ja) * 2003-10-14 2005-05-12 Amino:Kk プレス装置
JP4418394B2 (ja) * 2005-04-13 2010-02-17 コマツ産機株式会社 サーボプレス

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2334082A (en) * 1941-10-13 1943-11-09 Major E Gates Molding press
US2471563A (en) * 1944-02-25 1949-05-31 Major E Gates Toggle press and method for molding articles from granular material
EP0993932A2 (fr) * 1998-10-12 2000-04-19 STRIP's d.o.o. Podjetje za svetovanje trzenje in proizvodnjo Presse entrainée par genouillère
DE19935655A1 (de) 1999-07-29 2001-02-01 Schuler Pressen Gmbh & Co Pressenbaureihe mit Vorsatzgetriebe
DE19935656A1 (de) 1999-07-29 2001-02-01 Schuler Pressen Gmbh & Co Pressenbaureihe
DE10065256A1 (de) 2000-12-29 2002-07-11 Schuler Pressen Gmbh & Co Vorrichtung zum Antrieb wenigstens eines Stößels einer Presse
DE10065260A1 (de) 2000-12-29 2002-07-11 Schuler Pressen Gmbh & Co System zur Festlegung des Aufbaus einer Presse
DE102006056520A1 (de) * 2006-11-30 2008-06-05 Schuler Pressen Gmbh & Co. Kg Presse mit Kurvenkorrektur

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102173075A (zh) * 2010-12-14 2011-09-07 山东科技大学 一种机械式伺服压力机
EP2527136A1 (fr) * 2011-05-27 2012-11-28 Siempelkamp Maschinen- und Anlagenbau GmbH & Co. KG Presse continue pour la compression de mats de matériau comprimable en plaques de matériau comprimable
WO2012163766A1 (fr) * 2011-05-27 2012-12-06 Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg Presse continue pour le pressage de mats de matière à presser pour obtenir des plaques de matière à presser
WO2019170571A1 (fr) * 2018-03-05 2019-09-12 Arcofil S.A. Presse electrique a moteur torque
CN111819071A (zh) * 2018-03-05 2020-10-23 阿科菲尔公司 电动扭矩马达压力机
CN112091145A (zh) * 2020-09-28 2020-12-18 高密三江机械制造有限公司 一种平锻机肘杆机构及其加工工艺

Also Published As

Publication number Publication date
KR20100130567A (ko) 2010-12-13
JP2010279999A (ja) 2010-12-16
US20100319554A1 (en) 2010-12-23
CA2705649A1 (fr) 2010-12-03
CA2705649C (fr) 2017-02-14
JP5702079B2 (ja) 2015-04-15
KR101765904B1 (ko) 2017-08-07
CN101905263A (zh) 2010-12-08
EP2258498B1 (fr) 2012-12-26
US8230781B2 (en) 2012-07-31

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