WO2017148472A1 - Presse à forger et procédé pour forger une pièce dans une presse à forger - Google Patents

Presse à forger et procédé pour forger une pièce dans une presse à forger Download PDF

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Publication number
WO2017148472A1
WO2017148472A1 PCT/DE2017/100149 DE2017100149W WO2017148472A1 WO 2017148472 A1 WO2017148472 A1 WO 2017148472A1 DE 2017100149 W DE2017100149 W DE 2017100149W WO 2017148472 A1 WO2017148472 A1 WO 2017148472A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive
primary
forging
saddle
workpiece
Prior art date
Application number
PCT/DE2017/100149
Other languages
German (de)
English (en)
Inventor
Klaus Steingiesser
Original Assignee
Sms Group 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
Application filed by Sms Group Gmbh filed Critical Sms Group Gmbh
Priority to EP17716773.1A priority Critical patent/EP3423210B1/fr
Priority to ES17716773T priority patent/ES2921985T3/es
Priority to JP2018539970A priority patent/JP7107844B2/ja
Priority to CN201780015086.7A priority patent/CN108712937B/zh
Publication of WO2017148472A1 publication Critical patent/WO2017148472A1/fr

Links

Classifications

    • 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
    • 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
    • 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
    • B30B1/32—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 plungers under fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0029—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height
    • B30B15/0035—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height using an adjustable connection between the press drive means and the press slide

Definitions

  • the invention relates to a forging press with a forging press frame, with an upper saddle and a lower saddle and a primary drive effective against the forging press frame for applying primary forming forces on a workpiece between the upper saddle and the lower saddle and with a secondary drive for applying secondary forming forces to the workpiece ,
  • the invention also relates to a method for forging a workpiece in a forging press with an upper saddle and a lower saddle and a primary drive, via which a reshaping effective primary movement between the upper saddle and the lower saddle is driven, wherein the workpiece in addition to the deformation caused by the primary movement over a reshaping effective and driven by a secondary drive secondary movement of a secondary caliper is transformed.
  • the object of the invention is by a forging press and a
  • Forging press with a forging press frame, with an upper saddle and a lower saddle and a relative to the forging press frame effective primary drive for applying primary forming forces on a workpiece between the upper saddle and the lower saddle and with a secondary drive for applying secondary forming forces are performed on the workpiece when the forging press characterized in that the secondary drive is supported on one of the primary drive with primary forming forces in the direction of the workpiece loaded assemblies.
  • Secondary drive designed to save energy, for example by cylinders that require less oil, are used. Also, the masses that need to be moved by the secondary drive, be readily formed smaller, which is accordingly energetically economical.
  • the primary drive for example, as a forging and the
  • Secondary drive be used as a finishing drive, so that the energy required for sizing turns out to be much lower, if this only necessary for a simple necessary oil volume moves or only the necessary for a sizing masses must be moved.
  • Masses for forging saddles and the like may be provided, since sizing operations usually take place with higher stroke rate and lower forces.
  • Secondary drive for open-die forging and the primary drive are used for drop forging, wherein the workpiece is forged via the secondary drive, for example, for the purpose of distribution of the mass, which is only possible under certain circumstances in the necessary or advantageous measure during drop forging. In this case, however, it will often be the case that the movements required for the mass distribution require lower strokes and lower forces than this is usually the case for the drop forging process, which involves significantly more complex material movements in the workpiece.
  • the secondary drive can be driven on one of the primary drive
  • a drain guide which corresponds to a conventional forging press.
  • a conventional forging press can readily be used for forging and finishing, wherein for sizing usually undesirable high volume flows for freely revolving cylinder and possibly also unnecessarily high strokes occur.
  • the secondary drive is supported on a running beam driven by the primary drive, the motion sequences during forging and finishing remain the same, which also applies to a transition between open-die forging and drop-forging, except that the secondary drive is additionally used for fast and / or weaker forging process types can be.
  • the secondary drive usually acts from the side opposite to the primary drive to the respective workpiece, which should, however, be uncritical in view of the force balances occurring in forging presses, as long as the mass of the workpieces does not fall significantly or the workpieces, for example external holding devices anyway be positioned in a certain way.
  • this configuration causes a certain deviation of the movements of the forging press itself, which then has to be considered accordingly.
  • supporting the secondary drive at a cross member interacting with the primary drive via the tie rod leaves more space for the secondary drive, since more installation space is available in the direction away from the primary drive and savings are made on aggregates on the primary drive side ,
  • Forming forces are loaded in the direction of the workpiece, in particular a cross member or a cross member, which is about tie rods with the primary drive in interaction, in question.
  • Workpiece loaded assembly may optionally be formed fixable about fixing means, so that when the secondary drive acts on the workpiece, these forces must be applied at least not entirely from the primary drive.
  • the Forging press preferably have fixing means for selectively setting the assemblies with respect to the forging press frame.
  • Such fixing means may be, for example, clamping bushes or clamping wedges, with which a corresponding assembly is designed to be fixed.
  • such fixing means are suitable for selectively fixing a cross member to the forging press frame, for example to tie rods or columns, in order to relieve the primary drive in this way.
  • Secondary drive can be performed when a secondary saddle, which is driven by the secondary drive, optionally with respect to the forging press frame is fixed to relieve the secondary drive when the primary drive is working.
  • the secondary saddle can certainly be fixed to the assembly on which the secondary drive is supported, in particular if then this assembly is loaded by the primary drive with primary forming forces in the direction of the workpiece. Particularly preferably, however, an appropriate setting takes place in a different manner depending on the direction.
  • the secondary saddle in the direction of action of the forces acting on the secondary saddle during the primary movement can be determined via a system, so that the secondary drive no longer has to apply corresponding forces.
  • Such a system can be done for example on a cross member or a cross member or on the loaded from the primary drive with primary forming forces in the direction of the workpiece assembly, which leads very effectively and structurally simple way to a corresponding discharge.
  • the secondary drive applies corresponding locking forces, since these are substantially smaller than the forming forces applied by the primary drive.
  • the forging press has one driven by the primary drive
  • Secondary saddle and an additional saddle, the secondary saddle and the additional saddle together form the lower saddle and the upper saddle of the forging press.
  • This embodiment requires directly that the mass of the secondary saddle is smaller than the mass of the formed of secondary saddle and additional saddle lower saddle or upper saddle, which accordingly brings energetic benefits.
  • the combination of secondary saddle and additional saddle are available, which is accordingly because of the larger mass and also - possibly - because of the larger area of advantage.
  • different types of forging process can be used, such as open-die forging,
  • Drop forging and / or finishing with a method for forging a workpiece in a forging press with a top caliper and a bottom saddle and a primary drive, via which a reshaping effective primary movement between the upper caliper and the lower caliper is driven, the workpiece next to caused by the primary movement Forming is also converted via a reshaping effective and driven by a secondary drive secondary movement, perform energetically sparingly, if the forging process is characterized in that the secondary drive drives a secondary saddle and moves for the secondary movement of the secondary saddle of the secondary saddle regardless of the primary movement driving assemblies of the primary drive becomes.
  • Drill hole rods or other slides allows the driven secondary saddle that direct forging movements for a Freiformschmiede, especially in interaction with a drop forging or sizing movements, especially in conjunction with a Smith forging can be performed energetically as secondary energy when the secondary drive accordingly on the is tuned for the secondary movement movements.
  • the secondary drive can be supported on an assembly loaded by the primary drive by primary forming forces in the direction of the workpiece, this assembly being fixed prior to forming via the secondary saddle or before the secondary movement and released before the primary movement. This makes it possible, in particular, for the primary drive to be relieved of forces which occur during secondary movement or deformation via the secondary saddle.
  • the setting is carried out on a forging press frame, which in this respect allows a particularly effective relief of the primary drive.
  • the upper saddle or the lower saddle may be divided into a secondary saddle and an additional saddle. Then, in the secondary movement of the secondary caliper, only the secondary caliper and in the primary movement of the secondary caliper and the auxiliary caliper are preferably moved together, so that a larger mass and a larger area are available for the primary movement, which is particularly the case with open-die forging operations, which are optionally combined with a sizing should be beneficial.
  • the mass moved by the secondary drive is smaller than the mass moved by the primary drive, so that correspondingly energetic advantages can be achieved in a structurally simple manner.
  • the forming forces which can be applied via the secondary drive are smaller than the forming forces which can be applied via the primary drive.
  • the secondary drive can be made correspondingly smaller and correspondingly more favorable in terms of energy.
  • so-called volumes of fluids that are used for cylinder-piston assemblies and must be moved reduce in this way at the secondary drive to a minimum, although otherwise no measures are provided that oppose this in this regard.
  • the primary drive can, as already explained above, be used as a forging operation, in particular for open-die forging, and the secondary drive as a finishing drive. It is understood that, as also carried out in conventional forging presses, that sizing preferably takes place after forging or open-die forging.
  • the secondary drive for open-die forging and the primary drive for open-die forging are also, the secondary drive for open-die forging and the primary drive for
  • the workpiece is preferably first forged via the secondary drive for the purpose of distributing the mass of the workpiece and then subsequently forged ready over the primary drive by means of the die or by means of the die function. It is understood that - optionally - after drop forging nor a Smith forging or a sizing utilizing the secondary drive is conceivable.
  • the primary drive is designed hydraulically, so that the pressing forces required for forging can be applied.
  • the secondary drive mechanically or electromechanically, for example, if lower forces are to be applied, since this appears less expensive.
  • Figure 1 shows a first forging press in schematic side view partially broken
  • Figure 2 shows a second forging press in a schematic side view, partially broken away
  • FIG 3 shows a third forging press in a schematic side view; partially broken.
  • Forging press frame 11 which in a conventional manner comprises an upper cross member 12 and a lower cross member or foundation member 14, which are each operatively connected to each other via columns 16 and tie rods 18.
  • these columns 16 and tie rods 18 may be formed integrally or also in several pieces. It is also understood that ultimately different numbers and symmetries can be provided on columns 16 and tie rods 18, as known from the prior art. In particular, however, two or four columns 16 or tie rods 18 are common. It is also understood that - depending on the specific embodiment - the columns 16 and tie rods 18 need not necessarily be provided coaxially with each other.
  • Running beam 20 which is driven by a primary drive 30 and carries a top caliper 22.
  • the upper saddle 22 opposite a lower saddle 24 is provided, which is supported on the lower cross member or foundation rail 14.
  • a die 26 is provided in addition, which can be mounted either with its upper die half to the upper caliper 22 and with its lower die half to the lower saddle 24. It is understood that in different embodiments, the die 26 or parts thereof may be permanently attached to or integrally formed with the upper caliper 22 or lower caliper 24.
  • the primary drive 30 has in the present embodiment a
  • Primary cylinder 32 which is provided in each case on the upper cross member 12 and in which a primary piston 34 runs, which can exert force on the upper saddle 22. It is understood that, in different embodiments, a plurality of primary cylinders 32 and primary pistons 34 may be readily provided without departing from the basic functionality of the present embodiments.
  • the upper caliper 22 and the lower caliper act
  • the secondary cylinder 42 is disposed within the rolling beam 23 and also within the primary piston 34.
  • This embodiment leaves relatively much space for the secondary drive 40, it being possible, of course, for a smaller secondary cylinder 42 to be provided as well, so that here in the concrete a somewhat different configuration is conceivable for different embodiments.
  • a smaller secondary cylinder 42 makes it possible for primary cylinders 32 and primary pistons 34 in the exemplary embodiments according to FIGS. 1 to 3 to be reversed by supporting primary piston 34 on upper cross member 12 and supporting primary cylinder 32 on uprights 20 and upwards opens.
  • These clamping bushes 62 serve in this embodiment, a guide of the rotor spar 20, if it is not set on the fixing means 60.
  • a part of the pillars 16 or tie rods 18 can serve only one guide of the running beam 20, while another part can carry fixing means 60. It is also understood that instead of the clamping bushes 62, other devices can be used by means of which a running spar 20 can be fixed with respect to the forging press frame 11.
  • the secondary drive 40 drives in each case a secondary piston 44, which with a
  • Secondary saddle 46 is connected and can apply forces of the secondary drive 40 to the respective workpieces 50.
  • the secondary drive 40 with its secondary cylinder 42 is provided in the lower cross member or foundation member 14.
  • the secondary drives 40 are designed with respect to the primary drives 30 in such a way that correspondingly smaller or lower-force movements, such as occur in the case of finishing in a forged-forging press or in a complementary forging forging in a drop-forging press (see FIG , According to their smaller design, the secondary drives 40 can then be operated with less energy. As shown by way of example in the embodiment of Figure 2, the
  • Upper saddle 22 may also be shown divided from the secondary saddle 46 and an additional saddle 36. This requires that only a smaller area is available for the secondary movement of the secondary drive 40. However, this also requires a corresponding low mass, which is accordingly energetically cheaper. It is understood that such a division of the upper saddle 22 is also possible in the embodiment of Figure 1. Likewise, the lower saddle 24 of the embodiment of Figure 3 may be formed divided accordingly.
  • Process leadership as an embodiment of the forging presses 10 also in that the cross member 20 is not moved during the secondary movement or needs to be moved.
  • fixing the secondary saddle is
  • Forging press 15 32 primary cylinder forging press frame 34 primary piston upper cross member 36 additional saddle lower cross member / foundation spar

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Forging (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

L'invention concerne une presse à forger présentant un châssis de presse à forger doté d'une matrice supérieure et d'une matrice inférieure ainsi qu'un entraînement primaire actif vis-à-vis du châssis de presse à forger pour appliquer des forces de déformation primaires sur une pièce entre la matrice supérieure et la matrice inférieure ainsi qu'un entraînement secondaire pour appliquer des forces de déformation secondaires sur la pièce, de même qu'un procédé pour forger une pièce dans une presse à forger dotée d'une matrice supérieure et d'une matrice inférieure et d'un entraînement primaire par l'intermédiaire duquel un déplacement primaire à action déformante est entraîné entre la matrice supérieure et la matrice inférieure, la pièce étant déformée, outre par la déformation générée par le déplacement primaire, également par un déplacement secondaire à action déformante, entraîné par un entraînement secondaire d'une matrice secondaire, ledit procédé et la presse à forger permettant d'effectuer plusieurs types de processus de forgeage, tels que le forgeage libre, l'estampage et/ou le polissage, avec une économie d'énergie, si l'entraînement secondaire est soutenu au niveau d'un module sollicité par des forces de déformation exercées par l'entraînement primaire dans la direction de la pièce ou si l'entraînement secondaire entraîne une matrice secondaire et que la matrice secondaire est déplacée, pour assurer le déplacement secondaire de la matrice secondaire, indépendamment des modules de l'entraînement primaire, qui entraînent le mouvement primaire.
PCT/DE2017/100149 2016-03-04 2017-02-24 Presse à forger et procédé pour forger une pièce dans une presse à forger WO2017148472A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17716773.1A EP3423210B1 (fr) 2016-03-04 2017-02-24 Presse à forger et procédé pour forger une pièce dans une presse à forger
ES17716773T ES2921985T3 (es) 2016-03-04 2017-02-24 Prensa de forja y procedimiento para forjar una pieza de trabajo en una prensa de forja
JP2018539970A JP7107844B2 (ja) 2016-03-04 2017-02-24 鍛造プレス機および鍛造プレス機における工作物の鍛造方法
CN201780015086.7A CN108712937B (zh) 2016-03-04 2017-02-24 锻压机和用于在锻压机中锻造工件的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016103927.6 2016-03-04
DE102016103927.6A DE102016103927A1 (de) 2016-03-04 2016-03-04 Schmiedepresse und Verfahren zum Schmieden eines Werkstücks in einer Schmiedepresse

Publications (1)

Publication Number Publication Date
WO2017148472A1 true WO2017148472A1 (fr) 2017-09-08

Family

ID=58536685

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2017/100149 WO2017148472A1 (fr) 2016-03-04 2017-02-24 Presse à forger et procédé pour forger une pièce dans une presse à forger

Country Status (6)

Country Link
EP (1) EP3423210B1 (fr)
JP (1) JP7107844B2 (fr)
CN (1) CN108712937B (fr)
DE (1) DE102016103927A1 (fr)
ES (1) ES2921985T3 (fr)
WO (1) WO2017148472A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114801302A (zh) * 2022-05-25 2022-07-29 华中科技大学 一种内置变形补偿模块的智能压力机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019001285A1 (de) * 2019-02-23 2020-08-27 AlDA EUROPE GmbH System eines Gestells für Pressen und Pressengestell
CN114311793A (zh) * 2022-01-06 2022-04-12 江门市金丰机械制造有限公司 一种混合动力的等功率下压力液压机

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DE1259180B (de) * 1965-02-06 1968-01-18 Eugen Siempelkamp Freiform-Schmiedepresse mit Unterflurantrieb
DE1301298B (de) * 1965-03-13 1969-08-21 Siempelkamp Eugen Freiform-Schmiedepresse mit Unterflurantrieb
US3718027A (en) * 1969-08-16 1973-02-27 Eumuco Ag Fuer Maschinenbau Forming machine for heated materials, particularly metals
DE19955519A1 (de) * 1999-11-18 2001-05-31 Siempelkamp Pressen Sys Gmbh Umformpresse für die druckmedienbasierte Umformung von ebenen oder hohlen Werkstücken, insbes. für die Innenhochdruckumformung von hohlen Rohlingen, vorzugsweise Rohrabschnitten
DE112014001453T5 (de) 2013-03-15 2015-11-26 Honda Motor Co., Ltd. Formpresse

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DE3534319A1 (de) * 1985-09-26 1987-04-02 Hasenclever Maschf Sms Mehrstufen-schmiedepresse
DE19933998A1 (de) 1999-07-20 2001-01-25 Skf Gmbh Verfahren und Vorrichtung zum Pressen eines Formteils
JP3751512B2 (ja) 2000-09-06 2006-03-01 英夫 星 二段シリンダ装置
JP2006130529A (ja) 2004-11-05 2006-05-25 Hideo Hoshi シリンダ装置
JP2011156562A (ja) 2010-02-01 2011-08-18 Sumitomo Heavy Industries Techno-Fort Co Ltd 複動油圧鍛造プレス
US9003956B2 (en) 2011-06-21 2015-04-14 Honda Motor Co., Ltd. Fluid cylinder mechanism
CN202461967U (zh) * 2012-01-20 2012-10-03 广州有色金属研究院 一种铸锻液压机
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JP6306890B2 (ja) 2014-01-24 2018-04-04 住友重機械工業株式会社 油圧プレス
CN204430107U (zh) * 2015-01-05 2015-07-01 徐州开元世纪重型锻压有限公司 新型闭塞液压挤压机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005404A (en) * 1959-09-01 1961-10-24 Tucker & Sons Hydraulic connecting unit for punch-press rams
DE1259180B (de) * 1965-02-06 1968-01-18 Eugen Siempelkamp Freiform-Schmiedepresse mit Unterflurantrieb
DE1301298B (de) * 1965-03-13 1969-08-21 Siempelkamp Eugen Freiform-Schmiedepresse mit Unterflurantrieb
US3718027A (en) * 1969-08-16 1973-02-27 Eumuco Ag Fuer Maschinenbau Forming machine for heated materials, particularly metals
DE19955519A1 (de) * 1999-11-18 2001-05-31 Siempelkamp Pressen Sys Gmbh Umformpresse für die druckmedienbasierte Umformung von ebenen oder hohlen Werkstücken, insbes. für die Innenhochdruckumformung von hohlen Rohlingen, vorzugsweise Rohrabschnitten
DE112014001453T5 (de) 2013-03-15 2015-11-26 Honda Motor Co., Ltd. Formpresse

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114801302A (zh) * 2022-05-25 2022-07-29 华中科技大学 一种内置变形补偿模块的智能压力机

Also Published As

Publication number Publication date
EP3423210B1 (fr) 2022-04-06
CN108712937B (zh) 2022-12-27
DE102016103927A1 (de) 2017-09-07
CN108712937A (zh) 2018-10-26
EP3423210A1 (fr) 2019-01-09
ES2921985T3 (es) 2022-09-05
JP2019507018A (ja) 2019-03-14
JP7107844B2 (ja) 2022-07-27

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