EP1880837A2 - Servopresse doté d'une gestion d'énergie - Google Patents

Servopresse doté d'une gestion d'énergie Download PDF

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Publication number
EP1880837A2
EP1880837A2 EP07012985A EP07012985A EP1880837A2 EP 1880837 A2 EP1880837 A2 EP 1880837A2 EP 07012985 A EP07012985 A EP 07012985A EP 07012985 A EP07012985 A EP 07012985A EP 1880837 A2 EP1880837 A2 EP 1880837A2
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EP
European Patent Office
Prior art keywords
press
energy
flywheel
power
control device
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Granted
Application number
EP07012985A
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German (de)
English (en)
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EP1880837A3 (fr
EP1880837B1 (fr
Inventor
Martin Schmeink
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L Schuler GmbH
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L Schuler GmbH
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Publication of EP1880837A3 publication Critical patent/EP1880837A3/fr
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    • 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
    • B30B15/148—Electrical control arrangements
    • 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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses

Definitions

  • the invention relates to a press plant and a method for operating such.
  • the invention relates to large parts presses, for example in the form of press lines, press lines or multi-stage large parts presses in the form of transfer presses.
  • Conventional presses have a mechanical press drive with an electric motor and a flywheel, which serves as an energy storage.
  • a crank drive, eccentric drive, toggle mechanism or the like converts the rotational movement of the flywheel shaft into a reciprocating plunger motion.
  • the flywheel is dimensioned so large that its speed fluctuations remain tolerable. It thus stores much more energy than required, for example, for a single forming operation. At least when the flywheel is fixed to the eccentric gear is connected, must be destroyed when stopping the press a corresponding amount of energy.
  • the DE 10 2005 026 818 A1 to a press with a die cushion, which is provided with electric drives.
  • the electric drives are connected to the drives for the main movement of the plunger and / or the secondary movements of workpiece transport elements via an at least sequentially usable guide shaft and on the other hand via energy storage and / or energy exchange modules.
  • the DE 198 21 159 A1 a deep drawing press whose ram is driven by servo motors via spindles.
  • the die cushion is also driven by servomotors via spindles.
  • the various servomotors of the ram are interconnected by electric waves.
  • the servomotors of the die cushion are connected by electric waves. Both servo motor groups can be controlled programmatically.
  • the press installation according to the invention has a DC intermediate circuit which is fed from a supply network via a controlled rectifier device.
  • This DC intermediate circuit supplies all the servo drive means of the press plant, ie the servo drive means of the ram as well as the servo drive means of the ancillaries, such as parts transport means or also clipboard, drawing cushion and the like.
  • the relevant servo drive devices are preferably supplied with power from the DC intermediate circuit via converter devices.
  • a flywheel storage device is connected to the DC voltage intermediate circuit, which can take energy from the DC voltage intermediate circuit and can feed back stored energy into the DC voltage intermediate circuit.
  • a higher-level control device controls the operation of the converter devices and controls them.
  • the regulation is preferably carried out with the aim of minimizing the network load peaks, ie the equalization of network load.
  • the sinking and rising of the intermediate circuit voltage can be detected and used, which is due to differences between energy consumption and supplying energy from the grid. If upper limits are set for the withdrawal of energy from the grid and the feeding back into the grid, differences remain at peak loads or recovery peaks, which are taken from the flywheel storage unit or fed back into it.
  • the braking process for the flywheel storage unit is initiated.
  • the flywheel is slowed down until the intermediate circuit voltage has reached the original value.
  • the acceleration process for the flywheel storage is initiated.
  • the flywheel is accelerated until the intermediate circuit voltage has reached the original (setpoint) value.
  • the current limits for feeding the energy into the DC link and for feeding energy back into the grid are preferably set so that the long-term rotational speed of the flywheel store averaged over several press strokes remains constant:
  • the feeding or regenerative energy can be influenced.
  • the current limits for feeding and regenerating are separate parameters and dynamically controllable externally.
  • flywheel speed it is possible, for example, to work as follows: After the servo press is switched on, first the flywheel of the flywheel accumulator is accelerated to the setpoint speed, ie approximately 2/3 of the maximum speed. With 2/3 speed, the flywheel storage is ready for energy extraction under speed reduction or for energy absorption by accelerating the flywheel from 2/3 to the maximum speed. In order to achieve as uniform a network load as possible, the current limits are lowered so that the current peaks are supplied as far as possible from the flywheel storage. This is his maximum speed. The flywheel speed varies between the maximum speed and a minimum speed near zero.
  • the current limits of the supply unit can be determined iteratively starting from a basic setting. The current limits are reduced during incorporation so far and until the flywheel accumulator reaches the upper and lower limit speed during its work. It can also be monitored whether the flywheel within a Pressenzyklusses reach the target speed again.
  • the flywheel storage device is preferably dimensioned so that a defined partial amount of its maximum capacity is sufficient to buffer all load fluctuations occurring in the press installation.
  • the difference between this partial amount and the maximum absorption capacity of the flywheel accumulator corresponds to the maximum amount of braking energy to be absorbed by the flywheel accumulator during an emergency stop of the press installation.
  • the flywheel storage can be used to a perfect equalization of network load, while on the other hand, a fast, but controlled and synchronized shutdown of all drives of the press system is possible.
  • the flywheel accumulator runs at maximum speed. There was no need to feed back into the grid.
  • the flywheel storage can be dimensioned slightly smaller to accommodate at least a large part of the returned from the press line braking energy at an emergency stop and to transfer the network load controlled by power consumption on power output.
  • the control device can be set up to detect the power converted to the servo drive devices. This can be done, for example, by measuring the time courses of the voltages and currents at the servomotors. Additionally or alternatively, power detection devices can be provided on the converter devices. If, for example, the DC currents flowing into the converter devices and the applied DC voltages are monitored, this results in a simple and reliable possibility of active power detection.
  • the control device can integrate the instantaneous powers that occur at each converter device or each servomotor during a press cycle, and thus determine the work that is expended or also fed back in a press cycle from the relevant drive.
  • the sum of these amounts of energy measured or calculated on the individual drives is the amount of energy required to carry out a press cycle and to be taken from the network. If this is divided by the duration of a press cycle, the power supply to be set at the rectifier device results in the DC intermediate circuit and thus the network load.
  • a complete upward and downward stroke of the plunger that is called a working stroke of the press.
  • the beginning and the end of this press cycle need not be in a plunger dead center but can be chosen arbitrarily. In a multi-stage press plant, the start and end times apply to one work cycle uniform for all elements and thus all servo drive devices of the press plant.
  • control device controls the rectifier device on the one hand as a function of the energy requirement to be recorded for one press cycle
  • it can control the flywheel storage as a function of the instantaneous power of the individual servo drive devices. If the control of the rectifier device results from the energy balance, the flywheel storage is controlled according to the power balance. At every moment it adds to the difference between the actual power consumption of the press and the power taken from the network.
  • the controller may also monitor the voltage of the DC link. This does not necessarily have to be kept constant. However, it is desirable to keep them within reasonable limits so as not to cause excessive voltages and, on the other hand, to prevent too little voltage from being applied to the operation of the converters.
  • FIG. 1 illustrates a press installation 1, to which at least one, but in the present exemplary embodiment, a plurality of individual presses 2, 3, 4 belong. These are used for the stepwise forming of a workpiece, e.g. a sheet metal part, such as a body part or the like, which passes through the presses 2, 3, 4 in succession.
  • the press 2 is designed as a drawing press while the presses represent 3, 4 follow-on presses.
  • Each press 2, 3, 4 each has a plunger 5, 6, 7.
  • At least one, preferably a plurality of servomotors 8, 9 serve to drive the plunger 5.
  • the plungers 6, 7 are accordingly driven by servomotors 10, 11, 12, 13.
  • the servo motors 8 to 13 drive the plunger 5, 6, 7 via a suitable gear, such as a screw jack. Direct drives, linear motors or other configurations can also be used.
  • a suitable gear such as a screw jack.
  • Direct drives, linear motors or other configurations can also be used.
  • Below the plunger 5 to 7 each have a press table 14, 15, 16 is arranged. Tools 17, 18, 19 whose bottom tool 17a, 18a, 19a rests on the press table 14, 15, 16 serve to reshape the workpieces.
  • the associated upper tool 17b, 18b, 19b is attached to the respective plunger 5, 6, 7.
  • the tool 17 is a pulling tool.
  • the lower tool 17a cooperates with a die cushion to which one or more servo drives 20, 21 may belong.
  • a parts transport device 22 is provided, to which one or more feeders 23 and handling units 24 may belong. These are provided with gripper means to create sheet metal parts in the tools 17, 18, 19 in and out of these. Between the presses 2, 3 and 3, 4 intermediate storage devices 25, 26 may be provided. These clipboards are also aggregates that can be equipped with their own servo drives.
  • the press installation 1 'illustrated in FIG. 2 is formed by a transfer press. It differs in that the presses 2, 3, 4 no separate press racks but are united to a transfer press by having a common press frame. In this one or more plunger 5, 6, 7 are arranged.
  • the above description applies to the embodiment of the press installation 1 'according to FIG. 2, but the intermediate shelves 25, 26 can be dispensed with.
  • FIG. 3 schematically illustrates the electric drive system 27 of the press installation 1, with which an energy management is carried out.
  • the drive system 27 includes all servomotors included in the energy management.
  • the servomotors 8, 9, 10, 11 of the presses 2 and 3 for the drive of the plungers 5, 6 and the servo drives 20, 21 of the die cushion are exemplarily illustrated.
  • These servo motors 8 to 11 and 20, 21 are fed via converter units 28, 29, 30, 31, 32, 33 from a common DC voltage intermediate circuit 34.
  • the converter units 28 to 33 convert the DC voltage into an AC voltage of the desired frequency and current intensity in order to operate the connected servomotors 8, 9, 10, 11, 20, 21.
  • a control device 35 is provided to control the individual converter units 28 to 33.
  • control device 35 inputs 39, 40, 41, which with means 42, 43, 44 for power detection in the servo motors 8, 9, 10, 11, 20, 21 on.
  • the devices 42 to 44 may be means with which the current flowing from the DC intermediate circuit 34 to the converters 28 to 33 is detected.
  • the DC intermediate circuit is supplied via a in the simplest case uncontrolled, but preferably controlled rectifier from a supply network 46 with voltage and power.
  • a power detector 47 may serve to convert the power supplied by the rectifier 45 to the DC link 34 in a characteristic manner Signal to be delivered to the controller 35.
  • To the drive system 27 also includes a flywheel 48, which has a unit formed by a motor 49 and a flywheel 50.
  • the power absorbed or output by the flywheel accumulator 48 can be detected by a power detection device 51 on the connecting line between the DC voltage intermediate circuit 34 and a converter 52 and reported to the control device 35 via a line.
  • the drive system 27 may incorporate any existing servomotors to be powered from the DC link.
  • the press plant 1 and 1 'and the drive system 27 operate as follows.
  • the movement curves of the individual servomotors 8, 9, 10, 11, 20, 21 are determined as a function of a central press cycle, for example by entering them as a data record or by programming them manually.
  • the press is then put into operation by the rectifier 45 is activated and supplies the DC intermediate circuit 34 with DC voltage.
  • the flywheel storage 48 is charged with a buffer energy, ie, an amount of energy required to buffer load peaks occurring at the servomotors 8, 9, 10, 11, 20, 21.
  • the buffer energy P is shown in FIG. 5 as a partial amount of a maximum storage energy M that the flywheel storage 48 can accommodate. It is at most as large as a maximum buffer value P max . This one is sized that a running at full speed press unit 1 can be braked and the remaining difference between maximum energy M and maximum buffer energy P max is sufficient to absorb the energy released during braking amount of energy.
  • FIG. 4 illustrates, for example, the power consumption and output of the servomotors 8, 9, plotted against the press angle ⁇ , which corresponds to a central press cycle. 360 ° of the press angle ⁇ correspond to the rotation of an eccentric shaft of a conventional press and thus in the press systems according to Figures 1 and 2 a full stroke and return stroke of the respective plunger 5, 6, 7th
  • the power consumption of the plunger drive according to curve I has a pronounced maximum, which occurs for example in the sheet metal forming.
  • the servo drives of the individual presses 2, 3, 4 may have different curves and work out of phase with each other.
  • Another diagram shows a curve II, which can characterize the power consumption and output of the servomotor 21 of the die cushion.
  • a pronounced regenerative section is present, for example, precisely where the servomotor of the plunger requires considerably positive power.
  • Another curve III characterizes the power consumption of further units, for example the intermediate shelves 25, 26 or the parts transport device 22 by way of example.
  • the control device 35 may, for example, be such that it detects the power consumption according to the curves I, II and III and thus determines the total work to be included.
  • This integral is illustrated separately in FIG. 4 for the curves I, II, III (curves Ia, IIa and IIIa).
  • the total integral ie the sum of the curves Ia, IIa, IIIa, gives the electric work to be taken up by the press plant 1 for a press cycle, which, when related to the press angle .alpha., Can be regarded as a constant power IV.
  • This power IV is taken from the network.
  • the flywheel accumulator 48 buffers the power in each press cycle, which illustrates a curve VII in FIG.
  • the inverter 52 is being controlled so that at any instant the power output from the DC link 34 is equal to the total work required for one press cycle divided by the time available for the press cycle.
  • the flywheel accumulator 48 passes through phases of energy absorption and phases of energy release. Its level is monitored by the controller 35. It locks and ensures that the flywheel accumulator 48 is running at the same speed at the beginning and end of each press cycle so that it will neither charge nor discharge over time. It also ensures that its memory content never exceeds a value P max . Thus, at any time a power reserve R (see Figure 5) available, which is sufficient to absorb the braking energy of the entire press system 1 in an emergency stop.
  • the energy management by the control device 35 is preferably operated so that the content of the flywheel reservoir 42 does not fall below a minimum value P min at any time of the press cycle.
  • the minimum value P min is set so that in case of failure of the supply network occurring at any time, the energy available in the flywheel storage 48 is sufficient to complete the commenced press cycle so that all drives are ordered and synchronized to a safe location drive and collisions are avoided.
  • the minimally stored and thus permanently present in the flywheel storage electrical work is at least as large as the required to carry out a press cycle electrical work.
  • the stored energy is slightly higher in order to be able to continue providing sufficient voltage even after the completion of the press cycle, information technology systems connected to it, for example computers and the like.
  • a press plant with energy management system has a flywheel storage, which on the one hand has sufficient capacity to absorb the energy to be absorbed in an emergency stop and on the other hand operated so that it has sufficient energy at any time to complete any started press cycle orderly.
  • a central control device monitors the operation of all connected to a DC voltage intermediate servo drive devices and the flywheel storage. The buffering of the electrical energy from the DC intermediate circuit results in a good efficiency. Aging, as occurs with capacitors, is avoided. It is obtained a high energy density and a reaction speed in the millisecond range, with any number of charging and discharging cycles is possible.
  • the flywheel storage is modularizable. Power increase can be obtained by parallel connection of flywheel storage. In any case, there is a long life.
  • the flywheel storage can be made overloadable. For example, its power consumption can be stored up to 160 percent, which can be exploited, for example, to carry out an emergency shutdown. If the flywheel storage is overloaded, its energy can be fed back into the network if the rectifier serving to supply the DC voltage intermediate circuit 34 is designed accordingly as a controllable converter.
  • the flywheel accumulator 48 can, as described, be controlled via the determination of the power balance of the individual drives. It is also possible to operate the flywheel storage using the voltage measured in the DC intermediate circuit 34. If this increases, the DC voltage intermediate circuit 34 is loaded by the flywheel storage 48 - it thus absorbs energy. If it drops, the control device returns energy from the flywheel storage 48 to the DC voltage intermediate circuit 34, so that it rises again. Load peaks within the press system 1 are thus kept away from the supply network 46.
  • the regulation is preferably carried out with the aim of minimizing the network load peaks, ie the equalization of network load.
  • the Falling and rising of the DC link voltage can be detected and used, which results from differences between energy consumption and energy supply from the network. If upper limits are set for the withdrawal of energy from the grid and the feeding back into the grid, differences remain at peak loads or recovery peaks, which are taken from the flywheel storage unit or fed back into it.
  • the braking process for the flywheel storage unit is initiated.
  • the flywheel is slowed down until the intermediate circuit voltage has reached the original value.
  • the acceleration process for the flywheel storage is initiated.
  • the flywheel is accelerated until the intermediate circuit voltage has reached the original (setpoint) value.
  • the power limits for feeding the energy into the DC link and for feeding energy back into the grid are preferably set so that the long-term rotational speed of the flywheel store, averaged over several press strokes, remains constant:
  • the feeding or regenerative energy can be influenced.
  • the power limits for feeding and regenerating are separate parameters and dynamically controllable externally.
  • the point of application of the energy support can be varied by the flywheel storage.
  • the regenerative power limits of the supply unit the starting point of the energy intake can be varied by the flywheel storage.
  • the flywheel of the flywheel accumulator is first set to the target speed, i. e.g. about 2/3 of the maximum speed accelerates.
  • the target speed of the flywheel storage is ready for energy extraction with speed reduction or energy absorption by accelerating the flywheel from target speed to the maximum speed.
  • the power limits are lowered so that the power peaks are supplied as far as possible from the flywheel storage. This is his maximum speed.
  • the flywheel speed varies between the maximum speed and a minimum speed near zero.
  • the power limits of the supply unit can be determined iteratively starting from a basic setting. The power limits are reduced during incorporation so far and until the flywheel accumulator reaches the upper and lower limit speed during its work. It can also be monitored whether the flywheel within a Pressenzyklusses reaches the target speed again.
  • the data once determined for a particular part (workpiece), in particular the performance limits for feeding the DC buses from the grid and for the return of energy from the DC bus to the grid can be stored in a workpiece data memory specific to each workpiece. Later, this data can be used without having to reprocess the press.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Presses (AREA)
  • Press Drives And Press Lines (AREA)
EP07012985.3A 2006-07-20 2007-07-03 Servopresse et méthode pour opérer une servopresse Not-in-force EP1880837B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006033562A DE102006033562B3 (de) 2006-07-20 2006-07-20 Servopresse mit Energiemanagement

Publications (3)

Publication Number Publication Date
EP1880837A2 true EP1880837A2 (fr) 2008-01-23
EP1880837A3 EP1880837A3 (fr) 2012-04-18
EP1880837B1 EP1880837B1 (fr) 2014-12-17

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ID=38626540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07012985.3A Not-in-force EP1880837B1 (fr) 2006-07-20 2007-07-03 Servopresse et méthode pour opérer une servopresse

Country Status (5)

Country Link
US (1) US7752878B2 (fr)
EP (1) EP1880837B1 (fr)
JP (1) JP2008023599A (fr)
DE (1) DE102006033562B3 (fr)
ES (1) ES2527892T3 (fr)

Cited By (13)

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WO2008134990A1 (fr) * 2007-05-02 2008-11-13 Müller Weingarten AG Système d'entraînement d'une presse de formage à poinçons multiples
EP2088487A1 (fr) * 2008-02-01 2009-08-12 Siemens Aktiengesellschaft Dispositif d'entraînement
EP2166662A1 (fr) 2008-09-18 2010-03-24 Siemens Aktiengesellschaft Machine dotée d'un entraînement de tampon sans masse d'équilibrage
WO2011047669A3 (fr) * 2009-10-19 2011-09-15 Dorst Technologies Gmbh & Co. Kg Presse à poudre métallique ou céramique et procédé de commande pour cette presse
WO2011047661A3 (fr) * 2009-10-22 2011-09-15 Müller Weingarten AG Procédé de fonctionnement et dispositif destiné à faire fonctionner des presses
US20110234125A1 (en) * 2009-09-24 2011-09-29 Siemens Aktiengesellschaft Arrangement for supplying power to a coupled system of machines
DE102011052860A1 (de) 2010-08-24 2012-03-01 Schuler Pressen Gmbh Verfahren zum Betreiben einer Presse mit Unterantrieb und danach betriebene Presse
WO2013149639A1 (fr) * 2012-04-02 2013-10-10 Siemens Aktiengesellschaft Système d'entraînement électrique
DE102012109150A1 (de) * 2012-09-27 2014-03-27 Schuler Pressen Gmbh Verfahren und Einrichtung zum Betreiben einer Werkzeugmaschine wie Presse mit linear bewegbarem Hubelement
EP3120996A1 (fr) * 2015-02-20 2017-01-25 Farina Presse Srl Système utilisable sur des presses mécaniques, rendant possible la réutilisation de l'énergie cinétique des masses en mouvement
WO2018019427A1 (fr) * 2016-07-26 2018-02-01 Sew-Eurodrive Gmbh & Co. Kg Procédé de régulation d'un circuit de tension intermédiaire et système de bus
PL422234A1 (pl) * 2017-07-17 2019-01-28 Przedsiębiorstwo Concept Stal B&S Lejman Spółka Jawna Prasa z napędem serwomechanicznym
EP3817212A1 (fr) * 2019-11-01 2021-05-05 Rockwell Automation Technologies, Inc. Commande de bus dynamique linéaire et non linéaire pour des applications de redresseur actif

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JP5037244B2 (ja) * 2006-07-10 2012-09-26 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト 機械における電気駆動装置の、制御されたエネルギー消費
JP5138399B2 (ja) * 2008-01-25 2013-02-06 アイダエンジニアリング株式会社 サーボプレス機械
JP5164765B2 (ja) * 2008-09-24 2013-03-21 本田技研工業株式会社 プレスラインの運転条件設定方法
WO2010063329A1 (fr) * 2008-12-05 2010-06-10 Abb Research Ltd Procédé pour limiter une puissance de pointe dans un système de production
DE102009014495A1 (de) * 2009-03-23 2010-04-15 Siemens Aktiengesellschaft Elektrisches Antriebssystem mit Energiepufferung
DE102009032739A1 (de) * 2009-07-11 2011-01-13 Powercut Gmbh Werkzeugmaschine und Verfahren zum Betreiben einer solchen
DE102009049845A1 (de) * 2009-10-19 2011-04-21 Dorst Technologies Gmbh & Co. Kg Metall- oder Keramikpulver-Presse und Steuerverfahren dafür
JP5476106B2 (ja) * 2009-12-07 2014-04-23 アイダエンジニアリング株式会社 電動サーボプレスの制御方法及び制御装置
DE102009057409B4 (de) 2009-12-08 2013-02-28 Schuler Pressen Gmbh & Co. Kg Stößelantrieb mit Belastungsprofilanpasssung
JP5463179B2 (ja) 2010-03-23 2014-04-09 株式会社日立産機システム 電源装置及び電源システム
DE102010025647A1 (de) 2010-06-11 2011-12-15 Robert Bosch Gmbh Vorrichtung und Verfahren zur intelligenten Netzleistungsregulierung durch kapazitive Energiespeicherung
EP2525481B1 (fr) 2011-05-18 2017-02-01 Siemens Aktiengesellschaft Dispositif de commande pour un convertisseur indirect et convertisseur indirect
JP5291763B2 (ja) * 2011-06-24 2013-09-18 ファナック株式会社 エネルギー蓄積部を有するモータ駆動装置
JP2013017305A (ja) 2011-07-04 2013-01-24 Fanuc Ltd エネルギー蓄積部を有するモータ制御装置
JP5602890B2 (ja) 2013-01-29 2014-10-08 ファナック株式会社 蓄電装置および抵抗放電装置を有するモータ制御装置
AT514175B1 (de) * 2013-03-19 2021-01-15 Engel Austria Gmbh Energieversorgungsvorrichtung für eine Spritzgießmaschine
EP2819271B1 (fr) * 2013-06-24 2019-02-20 Enrichment Technology Company Ltd. Module de stockage d'énergie avec circuit intermédiaire à tension continue
CN103345227B (zh) * 2013-07-02 2015-09-09 东南大学 一种微电网监测与能量管理装置及方法
JP5890491B1 (ja) 2014-08-19 2016-03-22 ファナック株式会社 巻線を複数備えたバッファ用サーボモータを有するサーボモータ制御システム
DE202014007954U1 (de) 2014-10-01 2014-11-12 Siemens Aktiengesellschaft System und Vorrichtung zum Energiemanagement sowie Steuereinrichtung
CN105790586B (zh) 2014-12-23 2019-02-12 台达电子工业股份有限公司 供电系统、不断电系统与供电方法
JP6367846B2 (ja) * 2016-01-18 2018-08-01 ファナック株式会社 電力ピークを低減するサーボモータ制御装置
DE102017008380A1 (de) 2016-09-22 2018-03-22 Sew-Eurodrive Gmbh & Co Kg System, umfassend einen ersten Wechselrichter und einen zweiten Wechselrichter
CA3036716A1 (fr) 2016-09-22 2018-03-29 Sew-Eurodrive Gmbh & Co. Kg Systeme comprenant un premier onduleur et un second onduleur, et procede de fonctionnement du systeme
JP6640812B2 (ja) * 2017-10-13 2020-02-05 ファナック株式会社 蓄電装置を有するモータ駆動システム
JP2020028194A (ja) * 2018-08-13 2020-02-20 ファナック株式会社 蓄電装置を有するモータ駆動システム

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DE1752946A1 (de) * 1968-08-10 1970-04-23 Schuler Gmbh L Pressenstrasse
JPH05324027A (ja) * 1992-05-19 1993-12-07 Komatsu Ltd ワークフィーダ制御回路
JP2000015494A (ja) * 1998-07-03 2000-01-18 Aida Eng Ltd 複数のプレス機械の同期制御方法
DE10028148A1 (de) * 2000-06-07 2001-12-20 Schuler Pressen Gmbh & Co Verfahren zum Betreiben einer Pressenanlage
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JP2004344946A (ja) * 2003-05-23 2004-12-09 Aida Eng Ltd プレス機械
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WO2008134990A1 (fr) * 2007-05-02 2008-11-13 Müller Weingarten AG Système d'entraînement d'une presse de formage à poinçons multiples
EP2088487A1 (fr) * 2008-02-01 2009-08-12 Siemens Aktiengesellschaft Dispositif d'entraînement
EP2088488A1 (fr) 2008-02-01 2009-08-12 Siemens Aktiengesellschaft Dispositif d'entraînement et son procédé de fonctionnement
JP2009189238A (ja) * 2008-02-01 2009-08-20 Siemens Ag 駆動装置および駆動装置の運転方法
US8080951B2 (en) 2008-02-01 2011-12-20 Siemens Aktiengesellschaft Drive apparatus and method for its operation
EP2166662A1 (fr) 2008-09-18 2010-03-24 Siemens Aktiengesellschaft Machine dotée d'un entraînement de tampon sans masse d'équilibrage
US8294392B2 (en) * 2009-09-24 2012-10-23 Siemens Aktiengesellschaft Arrangement for supplying power to a coupled system of machines
US20110234125A1 (en) * 2009-09-24 2011-09-29 Siemens Aktiengesellschaft Arrangement for supplying power to a coupled system of machines
WO2011047669A3 (fr) * 2009-10-19 2011-09-15 Dorst Technologies Gmbh & Co. Kg Presse à poudre métallique ou céramique et procédé de commande pour cette presse
WO2011047661A3 (fr) * 2009-10-22 2011-09-15 Müller Weingarten AG Procédé de fonctionnement et dispositif destiné à faire fonctionner des presses
CN102725134B (zh) * 2009-10-22 2015-03-11 舒乐绞扭机有限责任公司 运行压力机的方法
CN102725134A (zh) * 2009-10-22 2012-10-10 舒乐绞扭机有限责任公司 运行压力机的工作方法和装置
US8631742B2 (en) 2009-10-22 2014-01-21 Mueller Weingarten Ag Method for operating presses
DE102011052860A1 (de) 2010-08-24 2012-03-01 Schuler Pressen Gmbh Verfahren zum Betreiben einer Presse mit Unterantrieb und danach betriebene Presse
US9302441B2 (en) 2010-08-24 2016-04-05 Schuler Pressen Gmbh Method of operating a press with a bottom drive and press operated according to this method
WO2012041313A2 (fr) 2010-08-24 2012-04-05 Schuler Pressen Gmbh Procédé pour faire fonctionner une presse équipée d'un sous-entraînement et presse utilisée selon le procédé
WO2013149639A1 (fr) * 2012-04-02 2013-10-10 Siemens Aktiengesellschaft Système d'entraînement électrique
CN103692690A (zh) * 2012-09-27 2014-04-02 舒乐绞扭机有限责任公司 用于运行如压力机那样的工具机的方法和装置
DE102012109150A1 (de) * 2012-09-27 2014-03-27 Schuler Pressen Gmbh Verfahren und Einrichtung zum Betreiben einer Werkzeugmaschine wie Presse mit linear bewegbarem Hubelement
EP3120996A1 (fr) * 2015-02-20 2017-01-25 Farina Presse Srl Système utilisable sur des presses mécaniques, rendant possible la réutilisation de l'énergie cinétique des masses en mouvement
WO2018019427A1 (fr) * 2016-07-26 2018-02-01 Sew-Eurodrive Gmbh & Co. Kg Procédé de régulation d'un circuit de tension intermédiaire et système de bus
PL422234A1 (pl) * 2017-07-17 2019-01-28 Przedsiębiorstwo Concept Stal B&S Lejman Spółka Jawna Prasa z napędem serwomechanicznym
EP3817212A1 (fr) * 2019-11-01 2021-05-05 Rockwell Automation Technologies, Inc. Commande de bus dynamique linéaire et non linéaire pour des applications de redresseur actif
US11146180B2 (en) 2019-11-01 2021-10-12 Rockwell Automation Technologies, Inc. Linear and nonlinear dynamic bus control for AFE applications

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ES2527892T3 (es) 2015-01-30
EP1880837A3 (fr) 2012-04-18
US20080016940A1 (en) 2008-01-24
US7752878B2 (en) 2010-07-13
DE102006033562B3 (de) 2008-02-28
JP2008023599A (ja) 2008-02-07
EP1880837B1 (fr) 2014-12-17

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