EP1476595A1 - Method for operating a drive assembly of a loom and shedding machine comprising divided drive technology - Google Patents
Method for operating a drive assembly of a loom and shedding machine comprising divided drive technologyInfo
- Publication number
- EP1476595A1 EP1476595A1 EP03704271A EP03704271A EP1476595A1 EP 1476595 A1 EP1476595 A1 EP 1476595A1 EP 03704271 A EP03704271 A EP 03704271A EP 03704271 A EP03704271 A EP 03704271A EP 1476595 A1 EP1476595 A1 EP 1476595A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flywheel
- machine
- weaving
- shedding
- shedding machine
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/02—General arrangements of driving mechanism
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/007—Loom optimisation
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/12—Driving, starting, or stopping arrangements; Automatic stop motions for adjusting speed
Definitions
- a drive arrangement for a weaving machine and a shedding machine is known from DE-U 200 21 049. At least the main drive shaft of the weaving machine has an additional one
- weft insertion window based on the respective operating speed, becomes as large as possible and / or shot by shot in its duration and / or development (ie how it opens or closes) reproduced as accurately as possible.
- the object of the invention is to achieve a high energy consistency in the operation of the weaving machine and the shedding machine in weaving machines and shedding machines with separate drive technology under the boundary conditions of at least point-by-point synchronous operation, ie power consumption, current heat losses and the load on To minimize power electronics and motor, but at least to significantly reduce it, the setting of the technically - almost - best possible conditions regarding the position of the subject closure, duration of the weft insertion window, based on the duration of the weaving cycle, development of the weft insertion window, below
- Point-by-point synchronous operation is understood to mean that the drive of the weaving and shedding machine is operated synchronously at a predeterminable point weaving cycle for weaving cycle. This point can be different from one cycle to the next.
- a control device for controlling the electromotive drive of the weaving machine and for controlling the electromotive drive of the shedding machine having at least one additional flywheel has suitable computing means which, depending on the machine and / or weaving data, determine the appropriate magnitude of the moment of inertia of the flywheel mass to be assigned and that suitable means are available which allow the at least one additional flywheel mass to be set up in such a way that the size of the mass moment of inertia determined becomes effective when operating the shedding machine.
- Non-inherent flywheels reduce the dynamics of the shedding machine, but the solution according to DE 100 53 079 by the applicant enables the shedding machine to be started and stopped more slowly than the weaving machine. This degree of freedom enables the installation of non-inherent flywheel masses without or without appreciable enlargement of the drive unit.
- the gearbox of the shedding machine can be designed on the drive shaft provided that the speed is constant;
- the flow curves of the weaving machine gear (for sheet and rapier) can be optimized for this behavior of the shedding machine, so that the task regarding weft insertion is fulfilled.
- a direct drive without additional flywheel mass can be used as the basis for the weaving machine.
- a further improvement of the optimization criteria can be achieved by specifying an additional flywheel mass for a shedding machine with a certain maximum possible shedding movement.
- the bandwidth can not define any shed movement up to and including shafts 1 to 6 in a 1: 1 bond as "area of weak shed movement".
- the size of the additional flywheel mass is determined in such a way that with the strongest movement of the shedding material (i.e. shafts 1 to 6 in 1: 1 binding) a specified tolerance in the speed oscillation is not exceeded.
- the gear of the shedding machine can now either be designed according to the principle of constant speed or on the basis of a defined speed swing on the drive shaft, which preferably corresponds to the average movement of the shedding tool within the range "area of low shedding tool movement".
- this mean movement of the shed forming means in the example corresponds to the movement of the stems 1 to 4 in 1: 1 binding.
- Direct drive now creates the run-up in one shot with the additional flywheel.
- the at least one additional flywheel mass of a first predetermined fixed size can therefore be exchanged for another additional flywheel mass that is of a second predetermined fixed size.
- a flywheel with a variable or adjustable mass moment of inertia can be provided according to the invention, as is e.g. The subject of DE patent application 101 61 789.5 of the applicant.
- the flywheel consists of a base body that is connected to the drive shaft of the shedding machine in a rotationally fixed manner and of at least two partial masses that are radially movable on the base body relative to the axis of rotation, the radial position of the partial masses e.g. can be changed by actuating means during the rotation of the flywheel.
- the actuating means can be an integral part of the flywheel and include adjusting means that act directly or indirectly on the partial masses.
- the mass moment of inertia can be that of the present invention changeable or adjustable additional flywheel mass (es) between a minimum and a maximum are continuously changed or adjusted depending on the operating behavior of the shedding machine.
- Suitable computing means can e.g. as a function of machine and weaving data, automatically determine the appropriate size of the moment of inertia of the additional flywheel mass ⁇ ) and show this to the operator of the weaving machine, preferably on the display of the weaving machine control.
- the most important machine-technical data are: - Weaving machine
- the setting of the additional flywheel mass (es) and / or the replacement of the additional flywheel mass (es) and / or the addition / reduction of the additional Inertia mass (es) can be carried out manually or automatically by suitable means.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
A method achieves highly constant energy in the operation of a loom and shedding machine with separated drive technology, and ensures the run-up in one weft insertion for the loom and if necessary also for the shedding machine. The control arrangement controlling the electric motor drive of the loom and shedding machine includes a computer arrangement which, depending on machine and/or weaving technical data, determines the applicable size of the moment of inertia of a non-inherent inertial mass with which at least the shedding machine is to be equipped, and the at least one non-inherent inertial mass is arranged in such a manner, so that the determined size of the moment of inertia becomes effective in the operation of the shedding machine.
Description
Verfahren zum Betreiben einer Antriebsanordnung einer Webmaschine und Fachbildemaschine mit getrennter Antriebstechnik Method for operating a drive arrangement of a weaving machine and shedding machine with separate drive technology
Bekannte Webmaschinen mit einem sogenannten elektromotorischen Direktantrieb, also einem Antrieb, der im laufenden Betrieb nicht von der Hauptantriebswelle der Webmaschine trennbar ist, besitzen ein Betriebsverhalten, dass unter anderem deutlich an der stark variierenden Webmaschinendrehzahl je Webzyklus zu erkennen ist.Known weaving machines with a so-called electromotive direct drive, that is to say a drive that cannot be separated from the main drive shaft of the weaving machine during operation, have an operating behavior that can be clearly recognized, among other things, by the greatly varying weaving machine speed per weaving cycle.
Zur Kompensation von Drehzahlschwankungen der Webmaschine ist aus DE-U 200 21 049. leine Antriebsanordnung für eine Webmaschine und eine Fachbildemaschine bekannt, wobei wenigstens die Hauptantriebswelle der Webmaschine eine zusätzlicheTo compensate for fluctuations in the speed of the weaving machine, a drive arrangement for a weaving machine and a shedding machine is known from DE-U 200 21 049. At least the main drive shaft of the weaving machine has an additional one
Schwungmasse zur Kompensation der Drehzahlschwankungen besitzt. Diese zusätzlicheInertia to compensate for fluctuations in speed. This additional
Schwungmasse wirkt sich allerdings negativ auf den Beschleunigungsvorgang beimInertia has a negative effect on the acceleration process
Anfahren der Webmaschine aus. Dies ist für Anwendungen mit hoher Betriebsdrehzahl vor allem dann problematisch, wenn für die Webmaschine zur Sicherstellung der Gewebequalität der Hochlauf "in einem Schuß" gefordert ist, d.h. die Dynamik schon des ersten Blattanschlages muß dem der folgendenStarting up the weaving machine. This is problematic for applications with high operating speed especially when the weaving machine is required to run up "in one shot" to ensure the fabric quality, i.e. the dynamics of the first leaf stroke must match that of the following
Blattanschläge entsprechen. Muß eine zusätzliche Schwungmasse mit beschleunigt werden, vergrößert dies die zu installierende Antriebsleistung schnell auf ein wirtschaftlich nicht mehr zu vertretendes Maß.Correspond to leaf stops. If an additional flywheel mass has to be accelerated, this quickly increases the drive power to be installed to an economically unacceptable level.
In anderen Webmaschinen mit elektromotorischem Direktantrieb wird auf eine mit der H au ptantriebswel l e verbund en e Schwu ngmasse verzi chtet, u m de n Beschleunigungsvorgang beim Anfahren der Webmaschine nicht zu verzögern bzw. zu erschweren.In other looms with an electromotive direct drive there is no vibration mass associated with the main drive shaft so as not to delay or complicate the acceleration process when the loom starts up.
Der Verzicht auf eine zusätzliche Schwungmasse führt aber, wie bereits vorstehend ausgeführt, zu erheblichen Drehzahlschwankungen je Webzyklus. Zur Kompensation der Drehzahlschwankungen ist es naheliegend, die Schwankungen in der Drehzahl des elektromotorischen Antriebs durch entsprechendes Steuern oder Regeln der Zufuhr elektrischer Energie zu beeinflussen.The foregoing of an additional flywheel mass leads, as already explained above, to considerable speed fluctuations per weaving cycle. To compensate for the speed fluctuations, it is obvious to influence the fluctuations in the speed of the electromotive drive by appropriately controlling or regulating the supply of electrical energy.
Derartige Beeinflussungen führen aber zu erheblichen Belastungen des Antriebstranges der Webmaschine und der Fachbildemaschine. Außerdem führt eine solche Drehzahlkompensation nicht zu einer Betriebsweise mit Energiekonstanz; die Stromwärmeverluste und Belastungen für Motor und Leistungselektronik sind sehr hoch.Such influences, however, lead to considerable loads on the drive train of the weaving machine and the shedding machine. In addition, such speed compensation does not lead to an operating mode with constant energy; the current heat losses and loads on the motor and power electronics are very high.
Aus DE-U 20021 049.1 ist ferner bekannt, die Webmaschine und die Fachbildemaschine im Hinblick auf die Antriebstechnik zu separieren, d.h. der Hauptantriebswelle der
Webmaschine und der Antriebswelle der Fachbildemaschine wenigstens jeweils einen elektromotorischen Antrieb zuzuordnen. Damit ist der Vorteil verbunden, dass eine starre Synchronisation zwischen Webmaschine und Fachbildemaschine nicht mehr vorhanden ist; jederzeit ist es also grundsätzlich möglich, entsprechend den Webbedürfnissen, die Abstimmung der Betriebsverhalten von Web- und Fachbildemaschine flexibel zu gestalten, d.h. die Synchronität beider Antriebssysteme hinsichtlich Grundabstimmung (z.B. Fachschluß bei welchem Webmaschinenlagewinkel) und hinsichtlich der zulässigen Toleranzen in weiten Grenzen zu wählen. Diese in weiten Grenzen beliebige Gestaltung der Antriebssynchronität führt aber wiederum zu erheblichen Belastungen des Antriebsstranges der Web- und/oder Fachbildemaschine; ebenso werden dann durch den notwendigen Steuer- bzw. Regelaufwand die Stromwärmeverluste und Belastungen für Motor und Leistungselektronik sehr hoch. Diese Nachteile vergrößern sich noch dadurch, dass die Belastungen für den elektromotorischen Antrieb der Fachbildemaschine von den Bewegungen der Fachbildemittel (Schäfte; Platinen) abhängen, also webmusterabhängig bzw. allgemein webapplikationsabhängig sind.From DE-U 20021 049.1 it is also known to separate the weaving machine and the shedding machine with regard to the drive technology, ie the main drive shaft of the To associate the loom and the drive shaft of the shedding machine with at least one electric motor drive. This has the advantage that there is no longer a rigid synchronization between the weaving machine and the shedding machine; At any time, it is basically possible to flexibly design the operating behavior of the weaving and shedding machine, i.e. the synchronism of both drive systems with regard to basic coordination (e.g. closing at which weaving machine position angle) and with regard to the tolerances within wide limits. This design of the drive synchronism, which is arbitrary within wide limits, in turn leads to considerable loads on the drive train of the weaving and / or shedding machine; Likewise, due to the necessary control effort, the electricity heat losses and loads on the motor and power electronics are very high. These disadvantages are further compounded by the fact that the loads on the electromotive drive of the shedding machine depend on the movements of the shedding means (shafts; sinkers), that is to say they are dependent on the weaving pattern or generally dependent on the weaving application.
Nun werden durch den Wegfall der bislang starren Kopplung zwischen Web- und Fachbildemaschine aber Einflußnahmen zur Abstimmung der Betriebsverhalten beider Maschinen derart erforderlich, dass das sogenannte Schußeintragfenster, bezogen auf die jeweilige Betriebsdrehzahl, größtmöglich wird und/oder sich Schuß für Schuß in seiner Zeitdauer und/oder Entwicklung (d.h. wie es sich öffnet oder schließt) möglichst genau reproduziert.By eliminating the previously rigid coupling between weaving and shedding machine, however, influencing the coordination of the operating behavior of both machines is necessary in such a way that the so-called weft insertion window, based on the respective operating speed, becomes as large as possible and / or shot by shot in its duration and / or development (ie how it opens or closes) reproduced as accurately as possible.
Ganz wesentlich tritt diese Forderung bei Greifer-Webmaschinen ein, wo ein schlecht auf das Schußeintragsfenster abgestimmter Greiferlauf z.B. dazu führt, dass die Greifer zwar zum richtigen Zeitpunkt ins Fach eintreten, aber es zu spät verlassen. So reiben sich die Greiferköpfe und/oder Greiferstangen an den Kettfäden des sich bereits wieder schließenden Faches. Dies kann die Köpfe bzw. Stangen, aber auch die Kettfäden über Gebühr erwärmen. Außerdem kann dieses Aufdrücken des Faches durch die genannten Greiferelemente Fehlerstellen im Gewebe erzeugen.This requirement occurs very significantly with rapier weaving machines, where a rapier run that is poorly matched to the weft insertion window, e.g. This means that the grippers enter the compartment at the right time, but leave it too late. The gripper heads and / or gripper rods rub against the warp threads of the compartment that is already closing again. This can overheat the heads or rods, but also the warp threads. In addition, this pressing of the compartment can create flaws in the tissue due to the gripper elements mentioned.
Aufgabe der Erfindung ist es, bei Webmaschinen und Fachbildemaschinen mit getrennter Antriebstechnik unter den Randbedingungen eines zumindest punktweisen Synchronbetriebs eine hohe Energiekonstanz beim Betrieb der Web- wie auch der Fachbildemaschine zu erreichen, d.h. Stromverbrauch, Stromwärmeverluste sowie die Belastung für
Leistungselektronik und Motor zu minimieren, zumindest aber erheblich zu verringern, die Einstellung der webtechnisch - nahezu - bestmöglichen Verhältnisse, betreffend Lage des Fachschlusses, Dauer des Schußeintragfensters, bezogen auf die Dauer des Webzyklus, Verlaufsentwicklung des Schußeintragfensters, unterThe object of the invention is to achieve a high energy consistency in the operation of the weaving machine and the shedding machine in weaving machines and shedding machines with separate drive technology under the boundary conditions of at least point-by-point synchronous operation, ie power consumption, current heat losses and the load on To minimize power electronics and motor, but at least to significantly reduce it, the setting of the technically - almost - best possible conditions regarding the position of the subject closure, duration of the weft insertion window, based on the duration of the weaving cycle, development of the weft insertion window, below
Berücksichtigung von maschinen- und webtechnischen Daten zu ermöglichen und dies einschließlich des Falles stark unterschiedlicher Bewegung der Fachbildemittel innerhalb des Webrapports, die Schonung der Mechanik von Web- und Fachbildemaschine zu gewährleisten und - den Hochlauf in einem Schuß für die Web- und bei Bedarf auch für dieTo allow consideration of machine and weaving technical data and this including the case of very different movement of the shedding means within the weaving repeat, to ensure the protection of the mechanics of weaving and shedding machine and - the run-up in one shot for the weaving and if necessary also for the
Fachbildemaschine sicherzustellen.Ensure shedding machine.
Unter punktweisen Synchronbetrieb wird verstanden, dass der Antrieb der Web- und Fachbildemaschine Webzyklus für Webzyklus in einem vorbestimmbaren Punkt synchron betrieben wird. Dieser Punkt kann Webzyklus für Webzyklus verschieden sein.Point-by-point synchronous operation is understood to mean that the drive of the weaving and shedding machine is operated synchronously at a predeterminable point weaving cycle for weaving cycle. This point can be different from one cycle to the next.
Die Aufgabe wird erfindungsgemäß dadurch gelöst, dass eine Steuereinrichtung zur Steuerung des elektromotorischen Antriebs der Webmaschine und zur Steuerung des elektromotorischen Antriebs der wenigstens eine zusätzliche Schwungmasse aufweisenden Fachbildemaschine geeignete Rechnermittel besitzt, die in Abhängigkeit von maschinen- und/oder webtechnischen Daten die zutreffende Größe des Massenträgheitsmomentes der zuzuordnenden Schwungmasse ermittelt und dass geeignete Mittel vorhanden sind, die es erlauben, die wenigstens eine zusätzliche Schwungmasse derart einzurichten, dass die Größe des ermittelten Masenträgheitsmomentes beim Betreiben der Fachbildemaschine wirksam wird.The object is achieved according to the invention in that a control device for controlling the electromotive drive of the weaving machine and for controlling the electromotive drive of the shedding machine having at least one additional flywheel has suitable computing means which, depending on the machine and / or weaving data, determine the appropriate magnitude of the moment of inertia of the flywheel mass to be assigned and that suitable means are available which allow the at least one additional flywheel mass to be set up in such a way that the size of the mass moment of inertia determined becomes effective when operating the shedding machine.
Solche zusätzlichen, d.h. nicht inhärenten Schwungmassen verringern zwar die Dynamik der Fachbildemaschine, jedoch schafft die Lösung gemäß DE 100 53 079 der Anmelderin die Möglichkeit, die Fachbildemaschine langsamer als die Webmaschine zu starten und stillzusetzen. Durch diesen gewonnenen Freiheitsgrad wird die Installation von nicht inhärenten Schwungmassen ohne bzw. ohne nennenswerte Vergrößerung der Antriebseinheit möglich.Such additional, i.e. Non-inherent flywheels reduce the dynamics of the shedding machine, but the solution according to DE 100 53 079 by the applicant enables the shedding machine to be started and stopped more slowly than the weaving machine. This degree of freedom enables the installation of non-inherent flywheel masses without or without appreciable enlargement of the drive unit.
So können durch eine entsprechend große Zusatz-Schwungmasse auf der Antriebswelle die Drehzahlschwankungen der Fachbildemaschine, egal wie stark die Bewegung der
Fachbildemittel ist, sehr klein gehalten werden. Das Getriebe der Fachbildemaschine kann unter der Maßgabe Drehzahlkonstanz an der Antriebswelle ausgelegt werden; außerdem können die Ablaufkurven des Webmaschinengetriebes (für Blatt und Greifer) auf dieses Verhalten der Fachbildemaschine optimiert werden, so dass die Aufgabenstellung hinsichtlich Schußeintrag erfüllt ist. Dabei kann für die Webmaschine ein Direktantrieb ohne zusätzliche Schwungmasse zugrundegelegt werden.With a correspondingly large additional flywheel mass on the drive shaft, the speed fluctuations of the shedding machine, no matter how strong the movement of the Specialist means is to be kept very small. The gearbox of the shedding machine can be designed on the drive shaft provided that the speed is constant; In addition, the flow curves of the weaving machine gear (for sheet and rapier) can be optimized for this behavior of the shedding machine, so that the task regarding weft insertion is fulfilled. A direct drive without additional flywheel mass can be used as the basis for the weaving machine.
Eine weitere Verbesserung der Optimierungskriterien lässt sich dadurch erreichen, dass für eine Fachbildemaschine mit einer bestimmten maximal möglichen Fachbildemittelbewegung eine Zusatz-Schwungmasse festgelegt wird. So kann man als Beispiel bei einer elektronischen Schaftmaschine die Bandbreite keine Fachbildemittelbewegung bis einschließlich Schäfte 1 bis 6 in 1 : 1 -Bindung als "Bereich schwacher Fachbildemittelbewegung" definieren. Man legt die Größe der Zusatz-Schwungmasse so fest, dass bei stärkster Fachbildemittelbewegung (d.h. Schäfte 1 bis 6 in 1:1 -Bindung) eine vorgegebene Toleranz in der Drehzahlpendelung nicht überschritten wird. Das Getriebe der Fachbildemaschine kann jetzt entweder nach dem Prinzip der Drehzahlkonstanz ausgelegt werden oder aber auf Basis einer definierten Drehzahlpendelung auf der Antriebswelle, die vorzugsweise der mittleren Fachbildemittel-bewegung innerhalb des Bereiches "Bereich geringer Fachbildemittelbewegung" entspricht. In Näherung dürfte diese mittlere Fachbildemittelbewegung im Beispiel der Bewegung der Schäfte 1 bis 4 in 1:1-Bindung entsprechen.A further improvement of the optimization criteria can be achieved by specifying an additional flywheel mass for a shedding machine with a certain maximum possible shedding movement. For example, in the case of an electronic dobby, the bandwidth can not define any shed movement up to and including shafts 1 to 6 in a 1: 1 bond as "area of weak shed movement". The size of the additional flywheel mass is determined in such a way that with the strongest movement of the shedding material (i.e. shafts 1 to 6 in 1: 1 binding) a specified tolerance in the speed oscillation is not exceeded. The gear of the shedding machine can now either be designed according to the principle of constant speed or on the basis of a defined speed swing on the drive shaft, which preferably corresponds to the average movement of the shedding tool within the range "area of low shedding tool movement". In the example, this mean movement of the shed forming means in the example corresponds to the movement of the stems 1 to 4 in 1: 1 binding.
Die Ablaufkurven des Webmaschinengetriebes (für Blatt und Greifer) sind entsprechend angepaßt (s. oben).The flow curves of the weaving machine gear (for sheet and rapier) have been adjusted accordingly (see above).
Definiert man nun z.B. Bereiche mittelstarker und starker Fachbildemittelbewegung, so kann man durch Installation entsprechend größerer Schwungmassen wieder das Niveau und den Verlauf der Drehzahlpendelung wie für den Bereich schwacher Fachbildemittelbewegung erreichen. Das Getriebe der Fachbildemaschine findet wieder die Betriebsverhältnisse vor, auf die es ausgelegt ist, ebenso ist die Abstimmung mit den Ablaufkurven des Webmaschinengetriebes wieder bestmöglich hergestellt. Die Vorteile der Verwendung verschieden großer Schwungmasse gegenüber einer fest installierten sehr großen Schwungmasse sind die:If you now define e.g. Areas of medium-strong and strong movement of the specialty training medium, so by installing correspondingly larger flywheels, the level and the course of the speed oscillation can be reached again as for the area of weak movement of the specialist training medium. The gear of the shedding machine again finds the operating conditions for which it is designed, and the coordination with the flow curves of the weaving machine gear is restored in the best possible way. The advantages of using differently sized flywheels compared to a permanently installed very large flywheel are:
Anwendbarkeit des Lösungsprinzips auch auf Exzentermaschinen, denn der oft geforderte Hochlauf in einem Schuß ist möglich, da bei schwacher Fachbildemittelbewegung mit einer sehr kleinen zusätzlichen Schwungmasse ausgekommen werden kann (u.U. ganz ohne), ohne dass die Drehzahlschwankungen die
Herstellervorgaben überschreiten; die Beschleunigung auf hohe Drehzahlen in einem Schuß ist so möglich.Applicability of the solution principle also to eccentric machines, because the often required run-up in one shot is possible, since with a small movement of the shedding material, a very small additional flywheel can be used (possibly without) without the speed fluctuations Exceed manufacturer specifications; the acceleration to high speeds in one shot is possible.
Bei stärkerer Fachbildemittelbewegung ist dann zwar eine zusätzliche Schwungmasse zur Begrenzung der Drehzahlschwankungen notwendig, jedoch reduzieren sich gleichzeitig die zulässigen Betriebsdrehzahlen, so dass derIn the case of a stronger movement of the forming medium, an additional flywheel mass is then necessary to limit the speed fluctuations, but at the same time the permissible operating speeds are reduced, so that the
Direktantrieb den Hochlauf in einem Schuß jetzt auch mit der zusätzlichen Schwungmasse schafft.Direct drive now creates the run-up in one shot with the additional flywheel.
Bei den Fachbildemaschinen sind sogenannte Profile gebräuchlich - getriebemäßig gestaltete(r) Fachöffnung/Fachschluß in schärferer oder moderaterer Bewegung. Eine scharfe Bewegung vergrößert das Schußeintragsfenster, erlaubt jedoch nicht so hohe Betriebsdrehzahlen wie eine moderate Bewegung.So-called profiles are common in the field-forming machines - gear-shaped compartment opening / closing in a sharper or more moderate movement. A sharp movement enlarges the shot entry window, but does not allow operating speeds as high as a moderate movement.
Durch die Verwendung unterschiedlich großer Zusatz-Schwungmassen können verschiedene Profile erzeugt werden, d.h. es müssen nur die Zusatz-Schwungmassen getauscht oder verstellt werden, aber es muß nicht ins Getriebe eingegriffen werden.By using different sized flywheels, different profiles can be created, i.e. only the additional flywheels have to be exchanged or adjusted, but there is no need to intervene in the transmission.
In einfacher Ausgestaltung der Erfindung kann daher die wenigstens eine zusätzliche Schwungmasse von einer ersten vorbestimmten festen Größe gegen eine andere zusätzliche Schwungmasse, die von einer zweiten vorbestimmten festen Größe ist, ausgetauscht werden.In a simple embodiment of the invention, the at least one additional flywheel mass of a first predetermined fixed size can therefore be exchanged for another additional flywheel mass that is of a second predetermined fixed size.
Zur Vermeidung der für den Austausch der Schwungmasse erforderlichen Montagezeit kann erfindungsgemäß ein Schwungrad mit veränderbaren bzw. einstellbaren Massenträgheitsmoment vorgesehen sein, wie dies z.B. Gegenstand der DE- Patentanmeldung 101 61 789.5 der Anmelderin ist.In order to avoid the assembly time required for the exchange of the flywheel mass, a flywheel with a variable or adjustable mass moment of inertia can be provided according to the invention, as is e.g. The subject of DE patent application 101 61 789.5 of the applicant.
Das Schwungrad besteht dabei aus einem drehfest mit der Antriebswelle der Fachbildemaschine verbundenen Grundkörper und aus mindestens zwei am Grundkörper relativ zur Rotationsachse radial beweglichen Teilmassen, wobei die radiale Position der Teilmassen z.B. während der Rotation des Schwungrades durch Betätigungsmittel veränderbar ist.The flywheel consists of a base body that is connected to the drive shaft of the shedding machine in a rotationally fixed manner and of at least two partial masses that are radially movable on the base body relative to the axis of rotation, the radial position of the partial masses e.g. can be changed by actuating means during the rotation of the flywheel.
Die Betätigungsmittel können dabei integraler Bestandteil des Schwungrades sein und Stellmittel umfassen, die direkt oder indirekt auf die Teilmassen wirken.The actuating means can be an integral part of the flywheel and include adjusting means that act directly or indirectly on the partial masses.
In bevorzugter Ausgestaltung der Erfindung kann das Massenträgheitsmoment der hierin
veränder- bzw. einstellbaren zusätzlichen Schwungmasse(n) zwischen einem Minimum und einem Maximum kontinuierlich in Abhängigkeit vom Betriebsverhalten der Fachbildemaschine geändert bzw. angepasst werden.In a preferred embodiment of the invention, the mass moment of inertia can be that of the present invention changeable or adjustable additional flywheel mass (es) between a minimum and a maximum are continuously changed or adjusted depending on the operating behavior of the shedding machine.
Geeignete Rechnermittel können z.B. in Abhängigkeit von maschinen- und webtechnischen Daten automatisch die zutreffende Größe des Massenträgheitsmoments der Zusatz- Schwungmasse^) ermitteln und diese dem Bediener der Webmaschine vorzugsweise im Display der Webmaschinensteuerung anzeigen. Als maschinentechnische Daten sind hierbei vor allem zu nennen: - WebmaschineSuitable computing means can e.g. as a function of machine and weaving data, automatically determine the appropriate size of the moment of inertia of the additional flywheel mass ^) and show this to the operator of the weaving machine, preferably on the display of the weaving machine control. The most important machine-technical data are: - Weaving machine
- Typ (z.B. Greifer- oder Luft-Webmaschine)- Type (e.g. rapier or air weaving machine)
- Nennbreite- nominal width
- Art der Greifer, Greiferstangen; Greiferhub (bei Greifer-Webmaschinen)- type of gripper, gripper bars; Rapier stroke (for rapier weaving machines)
- Getriebedaten - Fachbildemaschine- Transmission data - shedding machine
- Typ (z.B. Greifer- oder Luft-Webmaschine)- Type (e.g. rapier or air weaving machine)
- Nennbreite- nominal width
- Anzahl und Anordnung der Fachbildemittel- Number and arrangement of the technical training resources
- Getriebedaten Als webtechnische Daten sind hierbei vor allem zu nennen:- Transmission data The following are particularly worth mentioning as web-technical data:
- Fachwinkel- Fachwinkel
- Fachschlußwinkel- compartment closing angle
- gewünschtes Profil (denn dies ist -s. Oben- nicht mehr fest an die Getriebedaten gekoppelt) oder stattdessen auch als Entscheidungsmöglichkeit für den Bediener.- Desired profile (because this is - see above - no longer permanently linked to the transmission data) or instead as a decision option for the operator.
- Optimierung auf höchstmögliche Betriebdrehzahl oder:- Optimization to the highest possible operating speed or:
- Optimierung auf längs größtmögliches Schußeintragsfenster oder:- Optimization for the largest possible weft insertion window or:
- Kompromiss aus beidem- compromise of both
- Anzahl und Art der Kettfäden - Kettspannung- Number and type of warp threads - Warp tension
- Webmuster- weaving pattern
- Betriebsdrehzahl(en)- operating speed (s)
Die Einstellung der zusätzlichen Schwungmasse(n) und/oder der Austausch der zusätzlichen Schwungmasse(n) und/oder die Ergänzung/Verringerung der zusätzlichen
Schwungmasse(n) kann dabei manuell vorgenommen werden oder durch geeignete Mittel automatisch erfolgen.The setting of the additional flywheel mass (es) and / or the replacement of the additional flywheel mass (es) and / or the addition / reduction of the additional Inertia mass (es) can be carried out manually or automatically by suitable means.
Die aufgrund der zusätzlichen Schwungmasse(n) bereits getriebeseitig gut abgestimmten Bewegungsprofile von Web- und Fachbildemaschine haben zum Ergebnis, dass der erforderliche Steuerungs-/Regelungsbedarf zur webtechnischen Synchronisation beider Maschinen erheblich reduziert wird, womit auch der angestrebte nahezu energiekonstante Betrieb beider Maschinen möglich wird - und damit wiederum Stromverbrauch, Stromwärmeverluste sowie die Belastung für Leistungselektronik und Motor auf niedrigem Niveau gehalten wird.
The movement profiles of the weaving and shedding machine, which are already well coordinated on the gearbox side due to the additional flywheel mass (s), have the result that the need for control and regulation for the web-technical synchronization of both machines is considerably reduced, which also enables the desired, almost energy-constant operation of both machines - and in turn, power consumption, heat losses and the burden on power electronics and motors are kept at a low level.
Claims
1. Verfahren zum Betreiben einer Antriebsanordnung für eine Webmaschine und eine Fachbildemaschine mit jeweils wenigstens einem drehzahlvariablen elektromotorischen1. Method for operating a drive arrangement for a weaving machine and a shedding machine, each with at least one variable-speed electromotive
Antrieb, wobei der elektromotorische Antrieb der Webmaschine und der Antrieb der Fachbildemaschine im laufenden Betrieb, d.h. Webzyklus für Webzyklus, im Sinne einer zumindest punktweisen Synchronisation zueinander betrieben wird, wobei wenigstens der Fachbildemaschine wenigstens eine mitrotierende, im Massenträgheitsmoment veränderbare, zusätzliche Schwungmasse zugeordnet wird und wobei eine Steuereinrichtung wenigstens zur Steuerung der elektromotorischen Antriebe vorhanden ist, dadurch gekennzeichnet, dass die Steuereinrichtung geeignete Rechnermittel besitzt, die in Abhängigkeit von maschinen- und/oder webtechnischen Daten die zutreffende Größe des Massenträgheitsmoments der zuzuordnenden Schwungmasse ermittelt, und dass geeignete Mittel vorhanden sind, die es erlauben, die wenigstens eine zusätzliche Schwungmasse derart einzurichten, dass die Größe des ermittelten Massenträgheitsmoments beim Betreiben der Fachbildemaschine wirksam wird.Drive, the electric motor drive of the weaving machine and the drive of the shedding machine during operation, i.e. Weaving cycle for weaving cycle, in the sense of at least point-wise synchronization with one another, at least one of the shedding machine is assigned at least one additional rotating flywheel mass which can be changed in the moment of inertia and at least one control device is provided for controlling the electromotive drives, characterized in that the control device is suitable Has computing means, which determines the appropriate size of the mass moment of inertia of the flywheel to be assigned, depending on machine and / or weaving data, and that suitable means are available which allow the at least one additional flywheel to be set up in such a way that the size of the mass moment of inertia determined when Operating the shedding machine becomes effective.
2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass die ermittelte Größe des Massenträgheitsmomentes in einer geeigneten Form angezeigt wird.2. The method according to claim 1, characterized in that the determined size of the moment of inertia is displayed in a suitable form.
3. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass das Einrichten der Schwungmasse automatisch erfolgt.3. The method according to claim 1, characterized in that the setting up of the flywheel takes place automatically.
4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Einrichten der Schwungmasse manuell durch Austausch einer Schwungmasse gegen eine andere Schwungmasse erfolgt.4. The method according to claim 1, characterized in that the flywheel is set up manually by exchanging a flywheel for another flywheel.
5. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass als Schwungmasse vorzugsweise ein Schwungrad mit einstellbarem Massenträgheitsmoment verwendet wird.5. The method according to claim 1, characterized in that a flywheel with adjustable mass moment of inertia is preferably used as a flywheel.
6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass die Schwungmasse aus Schwungmasse-Segmenten besteht, die in ihrer radialen Position verstellt werden.6. The method according to claim 5, characterized in that the flywheel consists of flywheel segments which are adjusted in their radial position.
7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass die Schwungmasse bzw. die Schwungmasse-Segmente über geeignete, lösbare Verbindungen mit einer Welle der Fachbildemaschine verbunden werden. 7. The method according to claim 6, characterized in that the flywheel or the flywheel segments are connected to a shaft of the shedding machine via suitable, detachable connections.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10206972 | 2002-02-20 | ||
| DE10206972A DE10206972A1 (en) | 2002-02-20 | 2002-02-20 | Drive arrangement of a weaving machine and shedding machine with separate drive technology |
| PCT/DE2003/000264 WO2003071017A1 (en) | 2002-02-20 | 2003-01-31 | Method for operating a drive assembly of a loom and shedding machine comprising divided drive technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1476595A1 true EP1476595A1 (en) | 2004-11-17 |
| EP1476595B1 EP1476595B1 (en) | 2007-05-30 |
Family
ID=27674753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03704271A Expired - Lifetime EP1476595B1 (en) | 2002-02-20 | 2003-01-31 | Method for operating a drive assembly of a loom and shedding machine comprising divided drive technology |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US7114527B2 (en) |
| EP (1) | EP1476595B1 (en) |
| JP (1) | JP2005517833A (en) |
| KR (1) | KR100581431B1 (en) |
| CN (1) | CN1636088A (en) |
| AT (1) | ATE363559T1 (en) |
| DE (2) | DE10206972A1 (en) |
| RU (1) | RU2274687C1 (en) |
| WO (1) | WO2003071017A1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004046649B4 (en) * | 2004-09-25 | 2008-04-10 | Lindauer Dornier Gesellschaft Mit Beschränkter Haftung | Weave drive of a weaving machine |
| US7475708B2 (en) * | 2004-11-17 | 2009-01-13 | Groz-Beckert Kg | Shaft drive for heald shafts of weaving machines |
| DE102006017182B3 (en) * | 2006-04-12 | 2007-09-06 | Lindauer Dornier Gmbh | Textile weaving loom drive assembly has motor linked via first clutch to main loom and second clutch to flywheel |
| DE102007009297A1 (en) * | 2007-02-19 | 2008-08-21 | Picanol N.V. | Method for driving drive motors and control for drive motors of a loom |
| US20100314881A1 (en) * | 2009-06-15 | 2010-12-16 | Challenger Design Llc | Auxiliary drive/brake system for a wind turbine |
| US8203229B2 (en) * | 2009-06-15 | 2012-06-19 | Challenger Design, LLC | Auxiliary drive/brake system for a wind turbine |
| IT1397372B1 (en) * | 2009-12-30 | 2013-01-10 | Promatech Spa | COMMAND UNIT FOR TEXTILE FRAMES WITH HIGH FLEXIBILITY OF USE, EQUIPPED WITH A SAFETY CONTROL DEVICE COMPARED TO POSSIBLE CRITICAL BLOCKINGS OF MOBILE MECHANICAL ORGANS AND WEAVING PROCEDURE THAT USES SUCH UNITS |
| DE102011006368B3 (en) * | 2011-03-29 | 2012-02-16 | Lindauer Dornier Gesellschaft Mit Beschränkter Haftung | Method and loom for shedding |
| DE102011075212B3 (en) * | 2011-05-04 | 2012-07-12 | Lindauer Dornier Gmbh | Loom has two safety control devices that are provided to supply halt signals to two motors with preset delay period, based on the control signal received from a safety device |
| FR3126714B1 (en) * | 2021-09-06 | 2023-09-08 | Staubli Sa Ets | Shed forming machine for a loom and its adjustment method |
| DE102023209042B3 (en) | 2023-09-18 | 2024-08-29 | Lindauer Dornier Gesellschaft Mit Beschränkter Haftung | METHOD FOR OPERATING A WEAVING DEVICE AND WEAVING DEVICE |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1099402B (en) | 1978-10-20 | 1985-09-18 | Michelin Vincenzo | INERTIAL ROTARY COMPENSATOR |
| FR2732698B1 (en) * | 1995-04-05 | 1997-05-23 | Staubli Sa Ets | SYSTEM FOR THE TRAINING OF MECHANICS FOR THE FORMATION OF CROWDS ON WEAVING LOOMS |
| DE19914131A1 (en) * | 1999-03-27 | 2000-10-05 | Dornier Gmbh Lindauer | Start-up control for weaving machines, involves storing speed information from previous start-ups and correcting subsequent motor speed settings accordingly |
| RU2167964C1 (en) * | 2000-03-10 | 2001-05-27 | Торицын Станислав Викентьевич | Heddle frame drive for heald machine |
| DE10053079C1 (en) * | 2000-10-26 | 2002-05-29 | Dornier Gmbh Lindauer | Method for operating a weaving and shedding machine |
| DE10061717B4 (en) * | 2000-12-12 | 2006-01-26 | Lindauer Dornier Gmbh | Drive arrangement for a weaving machine and shedding machine |
| DE20021049U1 (en) * | 2000-12-12 | 2001-03-29 | Lindauer Dornier Gmbh, 88131 Lindau | Drive arrangement for a weaving machine and shedding machine |
| JP2002302849A (en) * | 2001-04-05 | 2002-10-18 | Tsudakoma Corp | Loom driving method and apparatus |
| DE10161789A1 (en) | 2001-12-15 | 2003-07-03 | Dornier Gmbh Lindauer | Flywheel has fluid pressurized operating elements each connected to two radially opposite weights to change their radial position |
| JP4720655B2 (en) * | 2006-07-12 | 2011-07-13 | 日本電気株式会社 | Ticket issuing system, ticket issuing terminal, and ticket issuing method used therefor |
-
2002
- 2002-02-20 DE DE10206972A patent/DE10206972A1/en not_active Ceased
-
2003
- 2003-01-31 KR KR1020047012567A patent/KR100581431B1/en not_active Expired - Fee Related
- 2003-01-31 CN CNA038043270A patent/CN1636088A/en active Pending
- 2003-01-31 US US10/505,309 patent/US7114527B2/en not_active Expired - Fee Related
- 2003-01-31 JP JP2003569903A patent/JP2005517833A/en active Pending
- 2003-01-31 AT AT03704271T patent/ATE363559T1/en not_active IP Right Cessation
- 2003-01-31 EP EP03704271A patent/EP1476595B1/en not_active Expired - Lifetime
- 2003-01-31 RU RU2004127942/12A patent/RU2274687C1/en not_active IP Right Cessation
- 2003-01-31 DE DE50307368T patent/DE50307368D1/en not_active Expired - Fee Related
- 2003-01-31 WO PCT/DE2003/000264 patent/WO2003071017A1/en not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03071017A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20040088499A (en) | 2004-10-16 |
| DE50307368D1 (en) | 2007-07-12 |
| US20050178457A1 (en) | 2005-08-18 |
| KR100581431B1 (en) | 2006-05-17 |
| US7114527B2 (en) | 2006-10-03 |
| JP2005517833A (en) | 2005-06-16 |
| WO2003071017A1 (en) | 2003-08-28 |
| RU2004127942A (en) | 2006-02-20 |
| DE10206972A1 (en) | 2003-09-04 |
| ATE363559T1 (en) | 2007-06-15 |
| CN1636088A (en) | 2005-07-06 |
| RU2274687C1 (en) | 2006-04-20 |
| EP1476595B1 (en) | 2007-05-30 |
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