EP1350870B1 - Vorrichtung zum Optimieren der Regulierungseinstellung einer Spinnereimaschine sowie entsprechendes Verfahren - Google Patents
Vorrichtung zum Optimieren der Regulierungseinstellung einer Spinnereimaschine sowie entsprechendes Verfahren Download PDFInfo
- Publication number
- EP1350870B1 EP1350870B1 EP03007095A EP03007095A EP1350870B1 EP 1350870 B1 EP1350870 B1 EP 1350870B1 EP 03007095 A EP03007095 A EP 03007095A EP 03007095 A EP03007095 A EP 03007095A EP 1350870 B1 EP1350870 B1 EP 1350870B1
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- European Patent Office
- Prior art keywords
- drafting machine
- sliver
- machine
- drafting
- mode
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- 230000033228 biological regulation Effects 0.000 claims description 41
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Images
Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/32—Regulating or varying draft
- D01H5/38—Regulating or varying draft in response to irregularities in material ; Measuring irregularities
- D01H5/42—Regulating or varying draft in response to irregularities in material ; Measuring irregularities employing electrical time-delay devices
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/32—Counting, measuring, recording or registering devices
Definitions
- the invention relates to a device for optimizing the regulation settings a spinning machine with a regulated drafting system, in particular a regulating line, a card or a combing machine. Likewise, the invention relates to a corresponding method and a Spinning machine.
- a spinning machine with a regulated drafting system is for example the regulating line RSB-D 30 of the company Rieter, at the input the Dikkenschwankungen the incoming slivers by means of a mechanical Sampling (grooved roller / caliper roller) continuously measured and converted into electrical Signals is converted. The measured values become an electronic Memory with variable delay supplied. By the change the delay is achieved that the delay between center roll and delivery roller of the drafting system takes place at the exact moment to which the piece of tape previously measured by the pair of feeler rollers in the arrears located. The delay thus causes the corresponding piece of tape go through the distance between Tastwalzencru and default location can.
- a way to determine at least the optimal regulatory intensity represents the so-called band test.
- This is intended to internal machine influences and Material-specific features independent of the regulation safe be detected.
- the band test is random and manual for determination correct regulation of thickness variations of or the slivers performed.
- the normal number stretched fiber slivers for example, six bands
- one of the template tapes taken away and the remaining bands adjusted so that the required belt fineness (in the unit "ktex", colloquially becomes also the term tape weight used) of the normal number of master tapes is reached.
- the original one Number of slivers presented in the example before, therefore 6 bands) added additional tape.
- the tapes are in turn adjusted so that also adhered to the tape count of the original number of bands becomes.
- the procedure and the Basis of calculation are for the line RSB-D 30 from Rieter in of the brief instructions in section 2.31, section 3C / 100 to 3C-102.
- the invention offers the advantage that a faster optimization of the parameters for regulation - in particular regulatory intensity - and the dynamic behavior of the regulating lines, especially when changing batches and material change, is made possible. Likewise, it is possible erroneous measured values when starting the machine by calculation quickly detect and correct by means of the control and / or regulating unit.
- the required arithmetic unit or the necessary microprocessor can form a separate entity or in another, For example, a central processing unit in or the sensor array be integrated.
- the first drafting operation normal operation of the Drafting system used.
- non-normal operation can extrapolated, such as large inherent material and / or machine internal Influences on the regulation are. If more accurate corrections desired are third and fourth, etc. drafting operations with in the evaluation be included, with the operation in these operations also corresponds to a non-normal operation (the corresponding Measuring point for normal operation was obtained in the first drafting operation).
- the device according to the invention or the method can be advantageously Use in particular when the at least one sensor at the outlet of the drafting system delivers very high measuring accuracies.
- Most suitable is a nearly ideal measuring sensor, the band thickness or their Variations at the drafting outlet with low error measures, for example with an error of not greater than 0.9%.
- Based on the very exact measured values at the drafting system outlet can then be adjusted to the regulation parameters for the drafting system.
- a microwave sensor see for example WO 00/12974 be used with cavity resonator at the drafting system output.
- a microwave sensor is called the measurement of the tape mass, instead of the strip thickness. If in the context of this invention therefore of "Band thickness" is mentioned, this falls in the case of a microwave sensor also the term "tape mass”.
- the active (real) adding or removing a single template tape to the normally presented slivers can be omitted.
- the aforementioned simulation of the band test has the advantage that - in contrast
- the actual Band characteristic is not important. So it does not have to be a transient one Signal used in the template tapes or a reserve tape to perform the band test. Instead, one is enough for everyone Any time to perform simulation.
- the drafting system control signals given the electrical voltage the actual band thickness variations - determined from the signals of the at least one sensor arranged at the inlet - by the amount of tension according to the simulated, added or taken away Increase or decrease sliver volume. So if simulated, for example is that seven bands are submitted to the drafting system and it in Reality is only six bands are the corresponding drafting rollers controlled as if there were seven bands. The leaving the drafting and the drafting in his Cross-section measured band is thinner than that - without simulation - normal Regulated, where the control signal is the actual number of bands equivalent.
- the target belt fineness is 5 ktex at six submitted Bands should be the target belt fineness in a simulation of seven submitted bands 5 ktex * 5/6. Will the template of five Simulates tapes, the target belt fineness is 5 ktex * 7/6.
- the measured Actual belt finenesses are now preferred with the target belt fineness iteratively varying the regulation intensity until the actual band fineness substantially coincide with the desired belt finenesses. This means that the actual belt fineness deviation is very small; like next below, the actual belt fineness deviation becomes the calculation amount used. To be sure, therefore, the simulated Bassette test be repeated often until a sufficiently accurate Correspondence of actual and target values to the discontinued belt finenesses is present. It can be here for example Limits or accuracy values specified below which no further simulations are performed become.
- the characteristic of the control drive are corrected, in particular their Tilt. It should be noted that the characteristic also depends on the machine set delivery speed changed and advantageously is calculated or stored for the respective delivery speed.
- the electrical voltage U doubling which corresponds to the average tape mass, is increased, for example, by the DC amount ⁇ U + 1Band corresponding to the addition of one sliver.
- this increase for example, to only the maximum occurring band thickness fluctuations, eg + 10%. If six tapes were presented, the addition of a tape would mean a corresponding tape fluctuation of 16.7%. When limited to the mentioned 10%, it is therefore not the simulation of a complete band that is simulated but only about 10 / 16.7 of a sliver. For the sake of simplicity, however, the simulation of the addition (and the removal, see below) of an entire band is assumed in the following.
- control drive receives control signals which correspond to the voltage ⁇ U i of the actual band thickness variations plus the simulated additional DC amount of ⁇ U + 1Band . This results in a real dilution of the drawn sliver with respect to the target sliver count by a proportional amount ⁇ U + 1Band the DC amount.
- A% actual T Should .DELTA.U +1 tape - T N, D T N, D * 100
- A% is A% Should - T Is .DELTA.U +1 tape - T N, D T N, D * 100
- the actual value of the associated A% value can then be calculated. If this actual value is above a limit value, the regulation intensity is preferably changed and preferably the simulated band test is carried out again.
- one or more other tape templates can be simulated, for example, the removal of a tape to calculate the associated A% actual value. In principle, however, it is possible to carry out the simulation only for one situation or only for a second drafting unit operation (addition or removal of a sliver or sliver portion) and to compare the result preferably with that for the actually presented slivers.
- A% T U - T N, D T N, D * 100
- the electrical voltage U doubling which corresponds to the average tape mass, is reduced by the DC amount ⁇ U- 1 band .
- the control drive receives control signals which correspond to the signals .DELTA.U i of the actual Banddikkenschwankungen and the simulated Gleichthesesbetrages of .DELTA.U -1Band .
- the calculations of the actual A% values are expediently carried out according to equation (2) or (4), whereby the corresponding belt finenesses, advantageously averaged over a plurality of measurements, are to be taken into account.
- the belt fineness in a simulation of an additional sliver (second drafting operation) and the belt fineness in a simulation of a taken-away sliver (third drafting operation) and in normal operation (first drafting operation) is measured.
- mean values are preferably determined via, for example, three measurements each time.
- the A actual % values for the larger or the lower number of fiber ribbons are calculated from these - possibly averaged - belt finenesses.
- a calculation unit is required to calculate the A% values.
- the Carrying out the automated or automatic tape test by means of Simulation is done in a preferred variant before a lot change.
- the simulated band test is performed at defined time intervals and / or when a particular event occurs, for example with drift of the A% value above a predefined drift limit value, simulated.
- a second advantageous embodiment of the invention may erroneous Measured values at slow speed of the machine, i. especially when starting up and when stopping, be corrected without the above-described "Adaptation fiber type" be carried out by laborious laboratory testing got to.
- the optimal regulating parameters are a function of the Delivery speed below a certain delivery speed not known.
- a groove / Tastwalzenploes on Enema are at slower machine running (starting and stopping the machine) Messwertverpositionschept due to the higher production speeds different Einink s the feeler roller in the one or more fiber slivers presented the consequence. Only at higher delivery speeds, in extreme cases only when the final delivery speed is reached, can one of a constancy of the regulation parameters out.
- a correction factor determines the processor and with this factor the measurement error in comparison Normal operation reduced speed operation corrected.
- the results of the simulated band test and the "adaptation fiber type" can be stored electronically to be more similar at repetition Conditions to access them.
- the simplicity and makes Speed of the solution according to the invention such a procedure not indispensable. In this case, for example, only a plausibility check carried out.
- the optimal regulation parameters also a manual adjustment or correction of this or individual parameters possible.
- the machine preferably suggests these setting values before and the operator can then, for example, at a corresponding Adjust operator panel, preferably with a display device combined.
- first of the Machine carried out a plausibility check and with positive result the optimization of the or the regulation parameters are made automatically.
- the operator becomes one optimized machine setting proposed. The operator can also yourself - additionally or alternatively - carry out such a plausibility check, either because of his experience and / or with the help of a control sheet or similar ..
- FIG. 1 schematically shows an exemplary control principle of a regulating section 1 shown.
- the band thickness of incoming slivers 2- in this case six slivers 2 - mechanically detected with a groove / Tastwalzencru 3, which a funnel 18 for Merging the slivers 2 is connected upstream.
- the slivers 2 are again spread to to enter the drafting system.
- the measured values of the inlet sensor Grooved / Tastwalzencrues 3 are of a signal converter 4 in electrical Voltage values converted to one as FIFO (First-In-First-Out) trained memory 5 are supplied.
- FIFO First-In-First-Out
- the FIFO memory 5 outputs the Measuring voltage - with support of a pulse generator 6 - with defined time delay to a setpoint level 7 on.
- the FIFO memory 5 and the setpoint level 7 are part of a regulatory computer 17 (in dotted border).
- the setpoint level 7 also receives from a Leittacho 9 a control voltage, which is a measure of the speed of the lower, driven by a main motor 8 roller of a delivery roller pair 22 is. Subsequently, in the setpoint stage 7, a setpoint voltage calculated and passed on to a control and / or regulating unit 10. In the control and / or regulating unit 10 takes place a desired actual value comparison.
- the associated actual values come from a control motor 11, which they transmitted to an actual value speedometer 12, which in turn the corresponding Actual voltage to the control and / or regulating unit 10 passes.
- the setpoint-actual value comparison in the control unit 10 is used to the control motor 11 a very specific, the desired delay change to give the appropriate speed.
- the control motor 11 is with a Connected planetary gear 13, in which also the main motor 8 drives. By means of the planetary gear 13, the rotational speed of the lower roller of a Input roller pair 20 and the lower roller of a pair of center rollers 21 changed so that a band equalization at constant speeds of the delivery roller pair 22 (constant delivery speed) takes place.
- the fiber fleece or slivers therefore become on the one hand in the delay zone between the input roller pair 20 and the middle roller pair 21 and on the other hand in the main drafting area (in the normal spot) between the middle roller pair 21 and the delivery roller pair 22 warped.
- the groove / Tastwalzencru 3 is driven by means of the motors 8, 11.
- a controlled variable is the measured at the groove / Tastwalzencru 3 (inlet sensor) Strip thickness. Due to the sliver transport of the groove / Tastwalzencru 3 to the drafting system - consisting of the entrance, middle and Delivery roller pair 20, 21, 22 - is calculated a dead time, which is the Delay time in the FIFO memory 5 corresponds. The theoretically calculated Dead time is taking into account the dynamic drive of the control motor 11 and the associated drive train always corrected.
- the Speed for the control motor 11 as a manipulated variable is the control and / or Control unit 10 is determined, in which case the actual strip thickness of the sliver, the nominal value of the strip thickness (as reference variable) and the speeds of the Main motor 8 and the control motor 11 are processed. By the proportional Superimposition of the rotational speeds of the main motor 8 and the control motor 11 and taking into account the mentioned dead time, the tape thickness in the drafting system in the Regel criztician, which between the middle and Delivery roller pair 21, 22 is located, regulated.
- Inventive component of the exemplary, presented Regelierrange is at least one very precise measuring tape thickness sensor 30 am Outlet of the drafting system, which in the embodiment shown a Band funnel 19 is connected downstream.
- a sensor 30 may, for example by means of microwaves very precisely the band thickness fluctuations or Bandmasseschvankungen of the drafting leaving fiber sliver 2 'measure.
- Other measuring principles with high precision are also possible, for example based on capacitive, optical, acoustic and / or mechanical measuring methods.
- the at least one sensor 30 is according to an embodiment of Figure 1 (solid lines) with the interposition of a measured value memory 15 with a in the regulation computer 17 arranged computing unit 14 (or microprocessor) connected, which in turn connected to the setpoint level 7 is.
- the senor 30 with the interposition of a Data memory 15 'with a separate computing unit 14' (or microprocessor) which in turn is connected to the regulation computer 17 and Here, in particular, with the setpoint level 7 is in communication.
- the arithmetic unit 14 'and the memory 15' can in a computer 17 'for the Band monitoring be integrated, the in Figure 1 in dotted border is shown.
- a computing unit with a measured value memory (not shown) integrated be.
- the control and / or regulating unit 10 becomes momentary a voltage - for example via the arithmetic unit 14 or the Arithmetic unit 14, by the setpoint stage 7 or by a in the shown Embodiment not provided central computer - given, the addition or removal of a volume or share one or more of the drafting device presented slivers 2 corresponds.
- These voltage signals become those of real voltage signals superimposed, for example, in the signal converter 4 from the mechanical Signals of the groove / Tastwalzencrues 3 are converted.
- the tax and / or Control unit 10 outputs the superimposed voltage signals corresponding Control signal to the control motor 11 so that it has a corresponding Delay of the now in the form of a spread fiber fleece present fibrous bands 2 causes.
- the at least one sensor 30 which according to the above Requirement to measure very precisely, can now be checked whether and as the addition and / or removal of sliver portions their precipitation in the appropriately regulated nonwoven or sliver 2 'has found.
- This evaluation is performed according to the two in FIG 1 illustrated alternatives by means of the arithmetic unit 14 or the arithmetic unit 14 'made. If the verification shows that the regulatory intensity, So the gain of the control motor control, not optimally adjusted is, this is changed, preferably due to the calculation result by a corresponding command from the arithmetic unit 14 or the Arithmetic unit 14 'to the control and / or regulating unit 10 causes.
- this automatic or simulated band test is at least done once again to adjust the adjusted regulatory intensity check and if necessary further optimize (iteratively).
- the intermediate results can be written in a memory 16 or 16 'and read out again which is in communication with the arithmetic unit 14 or 14 '.
- the different determined factors can be determined Regulator intensity in possibly different simulated drafting operations stored and then from this one - possibly weighted - Average or average value are determined, preferably with the help the arithmetic unit 14 or 14 '.
- simulated B Snest designated mode preferred the normal drafting operation referred to as the first drafting operation and the additional overlay by voltage signals from simulated added and / or removed Sliver shares as second, third, fourth, etc. Drafting operation. Will only be an extra positive or negative voltage carried out according to a simulated sliver share, in addition the first drafting operation only the second drafting operation for Optimization of regulatory intensity used.
- first drafting operation a sliver or a sliver portion simulated.
- the real presented number of slivers 2 constant, for example six slivers with each about 5 ktex, so that the measuring voltage on Inlet sensor 3 fluctuates around a correspondingly narrow measuring range, s. "A" in the left half of the picture.
- the outlet sensor 30 With the outlet sensor 30, however, are different Belt finenesses according to the actually presented sliver number plus or minus the simulated sliver shares, s. "B” in the right half of the picture.
- the middle graph is among the six submitted Slivers 2 without simulation components, the two overlying Graphs to an additional simulation of 10 / 16.7 or one complete taken away sliver (corresponding to 10% and 16.7% target band weight deviation).
- the two lower measuring curves correspond an additional simulation of 10 / 16.7 or a completely added one Sliver (corresponding to -10% or -16.7% target belt weight deviation).
- simulations at five carried out various drafting operations advantageously per drafting system averaging made from several measurements become. For example, three or four times 20 are used per drafting operation Measure the band and average the results.
- the measured values for the respective Measurements are preferably buffered in the memory 15 or 15 ' and then for the averaging and further processing of the arithmetic unit 14 or 14 'provided.
- FIG. 3a the simulated addition and in FIG. 3b the simulated removal a sliver to the actually presented sliver number shown in two alternatives each.
- the left, shown in broken lines Y-axis represents the control motor 11 predetermined control voltage and the right, solid y-axis with the outlet sensor 30 measured actual belt fineness.
- the control voltage is normal Normal operation approx. 0 V (in the case of the unillustrated use of individual drives on the other hand, the control voltage would not be 0 in normal operation V).
- the respective associated graphs are also dashed or solid shown.
- the additional or removed sliver by applying a corresponding Control voltage pulse in the amount of approximately additional +0.7 V or -0.7 V am Input of the FIFO memory 5 can be realized, s. Voltage jump at "1".
- FIFO length dead time or delay time in the memory 5
- measuring points are recorded on the sensor 30, for example every cm a measuring point over a band distance of 20 m.
- the averaged value gives the actual belt fineness T actual, ⁇ U + 1Band or T actual, ⁇ U-1Band, cf. Equation (2).
- the measurements are advantageously repeated at each operating point or drafting unit operation, and then an average value for the actual belt finenesses is further processed on the basis of scattering of the measurement results.
- the nominal belt finenesses T setpoint are plotted against the set belt fineness deviations (A% setpoint ).
- the target belt finenesses T target according to FIG. 4 are compared with the actual belt finenesses T actual according to FIG. 2b.
- Calculated are calculated using equation (2) using the A% setpoint values from the figure 4, the A% actual values for the second, third, etc. drafting operation and from this an average value using equation (2).
- the Regulierintenstician the drafting system is changed and in turn the measurements of the corresponding actual Bandfechen (proportional to the measured voltages at the outlet sensor) carried out until the associated A% actual value falls below a certain predetermined limit.
- the device according to the invention is also preferably a correction the Meßwertvertigschung the inlet sensor 3, i. the drafting system upstream sensor, at slow delivery speeds, in particular so when starting and when stopping the machine, possible.
- the first Drafting operation corresponds to the normal operation of the machine at the usual high delivery speeds (in the range of today 800 - 1000 m / min), the second drafting operation, however, the slow speed.
- mechanically scanning inlet sensors such as in the Figure groove / Tastwalzenzip 3 shown, is the penetration depth of the probe element in the presented slivers 2 of the speed These bands dependent, so that there are Meßverbibschonne that for to correct the slow speed.
- This correction can be made according to the invention, by at one or more, opposite to which also called fast-running Normal operation of the machine slower drafting operations the respective produced strip fineness by means of the at least one outlet sensor 30 are detected.
- fast-running Normal operation of the machine slower drafting operations the respective produced strip fineness by means of the at least one outlet sensor 30 are detected.
- FIG 6 are three measuring points at different slow delivery speeds and a measuring point at a delivery speed, from which no measurement error has occurred at the inlet sensor 4 more.
- the dashed line illustrates the curve, if measuring points were recorded at each delivery speed.
- the measured values are evaluated to which deviations the belt finenesses measured at the outlet sensor 30 have at the different delivery speeds.
- a correction factor or a correction function is advantageously determined, for example, by the arithmetic unit 14 or by the arithmetic unit 14 ', and thus the measurement error reduced compared to the normal operation Speed operation corrected.
- the correction factor or the correction function can be stored in the memory 16 or 16 'or be.
- FIG. 6 shows by way of example how such a correction function works can be determined.
- the four measuring points are each with straight lines connected, resulting in a (non-continuous) function.
- the values The correction function can then be used when starting or stopping the machine be assigned to the current delivery speed to the Control motor 11 to control accordingly.
- one measuring point is recorded at a low delivery speed (according to the prior art, in which, however, gravimetric Laboratory weighings are carried out on the stretched sliver) and this measuring point with the measuring point at that delivery speed, from which no measurement error occurs at the inlet sensor, approximated by a single straight line. This line then provides a correction factor.
- Results are confirmed by the user, e.g. on a machine display or a display device 25, which according to the one shown in FIG Embodiment connected to the regulatory computer 17 is.
- the double arrow between the regulation computer 17 and the display device 25 illustrates that, on the one hand, data from the regulatory computer 17 can be transmitted to the display device 25 and that on the other hand at the Anzeieinnraum 25, for example, a touch panel arranged is to transmit commands to the regulation computer 17. Therefore
- the determined values can be subjected to a plausibility check be subjected to the user.
- an automatic can change is preferred introduced at the outlet, so that in the subsequent to be filled cans only an optimally stretched over its entire length sliver is filed.
- the machine display is preferred Note that the test material is to be removed.
- the invention thus enables in particular that one of the band test can be largely automated.
- On the other hand becomes a method to correct the tape error during startup and stop as well as in the defined slow speed of a Regulierrange against the Operating speed depending on the fiber materials to be processed proposed.
- the processes take place in a preferred manner Variant fully automatic.
- the mechanical parameters are optimized and the achievement of the Wait for desired belt fineness before - preferably in this order - made the "adaptation fiber type" and the simulated band test becomes.
- the rule insert point can - preferably subsequently - be determined via the CV values, as for example in EP 803 596 B1 is described.
- the invention has been described with reference to a regulating section. She lets herself but also on a card or combing machine with one Insert regulator drafting system. Likewise, the invention in a Carding machine or a combing machine with a downstream track with one Regulierstreckwerk find use.
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- Preliminary Treatment Of Fibers (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Description
- Figur 1
- eine Schaltungsanordnung einer Regulierstrecke gemäß der Erfindung;
- Figur 2a, 2b
- eine Veranschaulichung des Bändertests gemäß dem Stand der Technik und gemäß der Erfindung, wobei die jeweiligen Spannungssignale am Einlaufsensor und am Auslaufsensor dargestellt sind;
- Figur 3a, 3b
- die Simulation der Hinzunahme bzw. der Wegnahme eines Faserbandes, durch Anlegen einer entsprechenden Spannung einerseits am Eingang des FIFO-Speichers und andererseits hinter dem FIFO-Speicher sowie die daraus resultierenden, mit einem Auslaufsensor gemessenen Ist-Bandfeinheiten;
- Figur 4
- einen Graphen mit den Soll-Bandfeinheiten mit und ohne simuierte Faserbandanteile in Abhängigkeit der Soll-Bandfeinheit-Abweichungen (A%Soll);
- Figur 5
- eine Darstellung der zu korrigierenden Fehler am Einlaufsensor bei langsamen Liefergeschwindigkeiten, und
- Figur 6
- eine Korrektur der genannten Fehler durch eine automatische "Anpassung Faserart".
Claims (25)
- Vorrichtung zum Optimieren der Regulierungseinstellungen einer Spinnereimaschine (1) mit einem regulierten Streckwerk, insbesondere einer Regulierstrecke (1), einer Karde oder einer Kämmmaschine, dem ein oder mehrere Faserbänder (2) kontinuierlich zugeführt werden, mit mindestens einem dem Streckwerk vorgelagerten Sensor (3) zum Erfassen von Werten zur Banddicke des oder der einlaufenden Faserbänder (2), mit mindestens einem am Auslauf des Streckwerks angeordneten Auslaufsensor (30) zum Erfassen von Werten zur Banddicke des resultierenden Faserbandes (2') in einem ersten Streckwerksbetrieb sowie in mindestens einem zweiten, definierten Streckwerksbetrieb, wobei der zweite Streckwerksbetrieb nicht dem Normalbetrieb des Streckwerks entspricht, mit einer Recheneinheit (14; 14') zum Vergleichen der mit dem mindestens einen Auslaufsensor (30) erfaßten Werte zu den mindestens zwei Streckwerksbetrieben, und mit einer Steuer- und/oder Regeleinheit (10) zum Anpassen der Regulierungseinstellungen aufgrund von die Meßwerte beeinflussenden Maschineneigenschaften und/oder Faserband-Materialeigenschaften.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß als erster Streckwerksbetrieb der Normalbetrieb des Streckwerks mit bei der Faserbandpoduktion üblich hohen Liefergeschwindigkeiten heranziehbar ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der mindestens eine Auslaufsensor (30) ein Mikrowellensensor ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß als mindestens zweiter Streckwerksbetrieb eine kurzzeitige Vorlage von einem oder mehreren Faserbändern oder nicht ganzzahligen Faserbandanteilen zusätzlich oder abzüglich zu dem oder den real vorgelegten Faserbändern (2) simulierbar ist ("simulierter Bändertest"), um insbesondere den Verstärkungsfaktor für die Streckwerksregulierung (Regulierintensität) zu korrigieren.
- Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß mittels der Steuer- und/oder Regeleinheit (10) an den Regelantrieb (11) des Streckwerks Spannungssteuersignale gebbar sind, die den simulierten hinzu- bzw. weggenommenen Faserbandanteilen entsprechen und zu denjenigen elektrischen Spannungssignalen (Ui) addiert bzw. von diesen subtrahiert werden, welche den tatsächlichen, von dem mindestens einen dem Streckwerk vorgelagerten Einlaufsensor (3) ermittelten Banddickenschwankungen entsprechen.
- Vorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß eine Recheneinheit (14; 14') aus der Soll-Bandfeinheit und der gemessenen Ist-Bandfeinheit im Falle der Simulation der Hinzunahme und/oder Wegnahme von Faserbandanteilen (= zweiter Streckwerksbetrieb) sowie der Ist-Bandfeinheit bei der Verstreckung der realen Anzahl Faserbänder (= erster Streckwerksbetrieb ohne Simulation) den Ist-Wert des A%-Wertes zu berechnen vermag.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß bei Messungen lediglich in einem ersten und in einem zweiten Streckwerksbetrieb die Regulierintensität solange automatisch oder manuell nachregelbar ist, bis der Ist-Wert des A%-Wertes einen minimalen Wert erreicht hat oder einen vorgegebenen Wert unterschreitet.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß bei Messungen in mehr als zwei Streckwerksbetrieben die Regulierintensität solange automatisch oder manuell nachregelbar ist, bis die Ist-Werte der A%-Werte oder ein Mittelwert aus diesen Ist-Werten einen minimalen Wert erreicht hat oder einen vorgegebenen Wert unterschreitet.
- Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß als mindestens zweiter Streckwerksbetrieb ein Langsamlaufbetrieb mit gegenüber dem Normalbetrieb (= erster Streckwerksbetrieb) langsamerer Liefergeschwindigkeit heranziehbar ist ("Anpassung Faserart").
- Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß Abweichungen zwischen der gemessenen Ist-Bandfeinheit am Streckwerksauslauf im mindestens zweiten Streckwerksbetrieb gegenüber dem ersten Streckwerksbetrieb in eine entsprechende Ansteuerung des Regelantriebs (11) im zweiten Streckwerksbetrieb umsetzbar sind, so daß die gemessenen Ist-Bandfeinheiten am Streckwerksauslauf für den ersten und den zweiten Streckwerksbetrieb im wesentlichen gleich groß sind oder deren Differenz unterhalb einem vorgegebenen Grenzwert liegen.
- Vorrichtung nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß in einem oder mehreren Testläufen von einer Recheneinheit (14; 14') ein oder mehrere Korrekturfaktoren und/oder eine Korrekturfunktion ermittelbar und in einem Speicher (16; 16') abspeicherbar sind, die in darauf folgenden Langsamlaufbetrieben, insbesondere beim Hochfahren und Stoppen der Spinnereimaschine, zur Ansteuerung des Regelantriebs (11) abrufbar sind.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Vergleich von dem mindestens ersten und zweiten Streckwerksbetrieb bei einem Partienwechsel, in vorgegebenen Zeitabständen und/oder beim Auftreten vordefinierter Ereignisse durchführbar ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß nach den optimierten Maschinenanpassungen gemäß den vorstehenden Ansprüchen ein Kannenwechsel am Maschinenauslauf veranlaßbar ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Anpassung der Regulierungseinstellungen automatisch oder seitens eines Bedieners durch manuelles Einstellen an der Maschine vornehmbar ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß an der Maschine eine Anzeigeeinrichtung (25) zur Anzeige vorgesehen ist, ob und/oder welche Anpassungen der Regulierungseinstellungen aufgrund von die Meßwerte beeinflussenden Maschineneigenschaften und/oder Faserband-Materialeigenschaften vorgenommen werden sollten.
- Spinnereimaschine, insbesondere Regulierstrecke (1), Karde oder Kämmmaschine, mit einer Vorrichtung nach einem der vorhergehenden Ansprüche.
- Verfahren zum Optimieren der Regulierungseinstellungen einer Spinnereimaschine (1) mit einem regulierten Streckwerk, insbesondere einer Regulierstrecke (1), einer Karde oder einer Kämmmaschine, umfassend folgende Schritte:ein oder mehrere Faserbänder (2) werden dem Streckwerk kontinuierlich zugeführt;am Einlauf des Streckwerks werden mit Hilfe mindestens eines Sensor (3) Werte zur Banddicke des oder der Faserbänder (2) erfaßt;am Auslauf des Streckwerks werden mit Hilfe mindestens eines Auslaufsensors (30) Werte zur Banddicke des resultierenden Faserbandes (2') in einem ersten Streckwerksbetrieb und in mindestens einem zweiten, definierten Streckwerksbetrieb erfaßt, wobei der zweite Streckwerksbetrieb nicht dem Normalbetrieb des Streckwerks entspricht, unddie erfaßten Werte zu den mindestens zwei Streckwerksbetrieben werden mit Hilfe einer Recheneinheit (14; 14') miteinander verglichen, um Anpassungen der Regulierungseinstellungen aufgrund von die Meßwerte beeinflussenden Maschineneigenschaften und/oder Faserband-Materialeigenschaften vorzunehmen.
- Verfahren nach Anspruch 17, dadurch gekennzeichnet, daß als mindestens zweiter Streckwerksbetrieb eine kurzzeitige Vorlage von einem oder mehreren Faserbändern oder nicht ganzzahligen Faserbandanteilen zusätzlich oder abzüglich zu dem oder den real vorgelegten Faserbändern (2) simuliert wird ("simulierter Bändertest"), um insbesondere den Verstärkungsfaktor für die Streckwerksregulierung (Regulierintensität) zu korrigieren.
- Verfahren nach Anspruch 18, dadurch gekennzeichnet, daß an den Regelantrieb (11) des Streckwerks kurzzeitig Spannungssteuersignale gegeben werden, die den simulierten hinzu- bzw. weggenommenen Faserbandanteilen entsprechen und zu denjenigen elektrischen Spannungssignalen (Ui) addiert bzw. von diesen subtrahiert werden, welche den tatsächlichen Banddickenschwankungen entsprechen und die von dem mindestens einem am Einlauf angeordneten Sensor (3) ermittelt werden.
- Verfahren nach Anspruch 18 oder 19, dadurch gekennzeichnet, daß aus der Soll-Bandfeinheit und der gemessenen Ist-Bandfeinheit im Falle der Simulation der Hinzunahme bzw. Wegnahme von Faserbandanteilen (= zweiter Streckwerksbetrieb) sowie der Ist-Bandfeinheit bei der Verstrekkung der realen Anzahl Faserbänder (= erster Streckwerksbetrieb ohne Simulation) der Ist-Wert des A%-Wertes von einer Recheneinheit (14; 14') berechnet wird.
- Verfahren nach Anspruch 20, dadurch gekennzeichnet, daß die Regulierintensität solange automatisch oder manuell nachgeregelt wird, bis der Ist-Wert des A%-Wertes (bei Messungen lediglich im ersten und im zweiten Streckwerksbetrieb) oder die Ist-Werte der A%-Werte oder ein Mittelwert aus diesen Ist-Werten (bei Messungen in mehr als zwei Streckwerksbetrieben) einen minimalen Wert erreicht hat oder einen vorgegebenen Wert unterschreitet.
- Verfahren nach einem der Anspruch 17, dadurch gekennzeichnet, daß der mindestens zweite Streckwerksbetrieb ein Betrieb mit gegenüber dem Normalbetrieb (= erster Streckwerksbetrieb) langsamerer Liefergeschwindigkeit ist und daß die Meßwerte zur Ist-Bandfeinheit für den mindestens zweiten Streckwerksbetrieb durch entsprechende Ansteuerung des Regelantriebs (11) derart korrigiert werden, daß die gemessenen Ist-Bandfeinheiten für den ersten und den zweiten Streckwerksbetrieb im wesentlichen gleich groß sind oder deren Differenz unterhalb eines vorgegebenen Grenzwerts liegen ("Anpassung Faserart").
- Verfahren nach Anspruch 22, dadurch gekennzeichnet, daß die Korrektur für verschiedene, gegenüber dem Normalbetrieb langsamere Liefergeschwindigkeiten durchgeführt wird.
- Verfahren nach einem der Ansprüche 17 bis 23, dadurch gekennzeichnet, daß der Vergleich von dem mindestens ersten und zweiten Streckwerksbetrieb bei einem Partienwechsel, in vorgegebenen Zeitabständen und/oder beim Auftreten vordefinierter Ereignisse durchgeführt wird.
- Verfahren nach einem der Ansprüche 17 bis 24, dadurch gekennzeichnet, daß nach den optimierten Maschinenanpassungen gemäß den vorstehenden Ansprüchen ein Kannenwechsel am Maschinenauslauf veranlaßt wird.
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DE10214649 | 2002-04-02 | ||
DE10214649A DE10214649A1 (de) | 2002-04-02 | 2002-04-02 | Vorrichtung zum Optimieren der Reguliereinstellungen einer Spinnereimaschine sowie entsprechendes Verfahren |
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EP1350870B1 true EP1350870B1 (de) | 2005-07-20 |
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US (1) | US6874204B2 (de) |
EP (1) | EP1350870B1 (de) |
CN (1) | CN100529210C (de) |
DE (2) | DE10214649A1 (de) |
Families Citing this family (18)
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CN100500961C (zh) * | 2002-10-16 | 2009-06-17 | 吕特英格纺织机械制造股份公司 | 带空腔谐振装置的纺纱准备机 |
DE10306209A1 (de) * | 2003-02-13 | 2004-08-26 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Vorrichtung mit einem Mikrowellenresonator für eine oder an einer Spinnereivorbereitungsmaschine |
ITVI20030117A1 (it) * | 2003-06-18 | 2004-12-19 | Orizio Paolo Spa | Dispositivo elettronico per la fornitura di filato ad |
DE102004030967A1 (de) * | 2004-06-26 | 2006-01-12 | Trützschler GmbH & Co KG | Vorrichtung zur Messung der Masse eines eine Spinnereivorbereitungsmaschine oder -anlage durchlaufenden Fasermaterials |
DE102005001995B9 (de) * | 2005-01-15 | 2016-04-21 | Rieter Ingolstadt Gmbh | Spinnereivorbereitungsmaschine mit einer Steuerungseinrichtung |
DE102005023992A1 (de) * | 2005-05-20 | 2006-11-23 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung an einer Spinnereivorbereitungsmaschine, z.B. Karde, Krempel, Strecke, Kämmmaschine o.dgl., zum Ermitteln der Masse und/oder Masseschwankungen eines Fasermaterials, z.B. mindestens ein Faserband, Faservlies o.dgl., aus Baumwolle, Chemiefasern o. dgl. |
DE102005033180B4 (de) * | 2005-07-13 | 2020-03-12 | Trützschler GmbH & Co Kommanditgesellschaft | Vorrichtung zum Erfassen eines Parameters an mehreren, einem Streckwerk einer Spinnereimaschine zugeführten Faserbändern |
DE102007042670A1 (de) * | 2007-09-10 | 2009-03-12 | Rieter Ingolstadt Gmbh | Verfahren zur Ermittlung des längenbezogenen Bandgewichts eines Faserbandes sowie Spinnereivorbereitungsmaschine |
US8116899B1 (en) * | 2008-02-27 | 2012-02-14 | Ebert Composites Corporation | Computer numerical control of fiber tension in fiber processing |
CN101995866A (zh) * | 2010-11-03 | 2011-03-30 | 北京经纬纺机新技术有限公司 | 并条机出条质量监控方法及系统 |
DE102011054216A1 (de) * | 2011-10-06 | 2013-04-11 | Rieter Ingolstadt Gmbh | Verfahren zur Korrektur einer von der Banddicke eines Faserbands abhängigen Kenngröße sowie Textilmaschine mit einer Vorrichtung zum Verstrecken eines Faserbands |
CN103147184A (zh) * | 2012-11-21 | 2013-06-12 | 吴江杰杰织造有限公司 | 并条机 |
CN105506801B (zh) * | 2016-02-03 | 2017-12-05 | 沈阳宏大纺织机械有限责任公司 | 一种并条机罗拉监控系统 |
DE102017102623A1 (de) * | 2017-02-09 | 2018-08-09 | TRüTZSCHLER GMBH & CO. KG | Verfahren und Anlage zur Bearbeitung von Fasern |
JP6949562B2 (ja) * | 2017-05-31 | 2021-10-13 | キヤノン株式会社 | 画像形成装置 |
DE102020104475A1 (de) * | 2020-02-20 | 2021-08-26 | Trützschler GmbH & Co Kommanditgesellschaft | Verfahren zum Erzeugen eines Faserbandes und Karde |
DE102020109963A1 (de) * | 2020-04-09 | 2021-10-14 | TRüTZSCHLER GMBH & CO. KG | Anlage und Verfahren zur Herstellung eines gekämmten Faserbandes |
CN114637258B (zh) * | 2021-12-01 | 2024-03-01 | 新疆中泰震纶纺织有限公司 | 利用人机交互与can通讯的并条机出条质量监控方法 |
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CH668781A5 (de) * | 1984-09-25 | 1989-01-31 | Zellweger Uster Ag | Verfahren und vorrichtung zur optimierung des streckprozesses bei regulierstrecken der textilindustrie. |
DE4215682B4 (de) * | 1991-06-04 | 2004-07-22 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Verfahren und Vorrichtung zur Korrektur des Reguliereinsatzpunktes und der Regulierintensität |
WO1992022692A2 (de) | 1991-06-04 | 1992-12-23 | Schubert & Salzer Maschinenfabrik Ag | Verfahren und vorrichtung zur korrektur des reguliereinsatzpunktes und der regulierintensität |
DE4202352A1 (de) * | 1992-01-29 | 1993-08-05 | Rieter Ingolstadt Spinnerei | Verfahren und vorrichtung zur regulierung eines streckwerkes |
DE4219777A1 (de) * | 1992-06-17 | 1993-12-23 | Rieter Ingolstadt Spinnerei | Verfahren und Vorrichtung zur Signalanalyse einer Regulierstrecke |
DE19615947B4 (de) * | 1996-04-22 | 2007-10-31 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Minimalwert-suchende Regulierungsoptimierung |
DE19822886B4 (de) * | 1997-07-01 | 2007-03-29 | TRüTZSCHLER GMBH & CO. KG | Regulierstreckwerk für einen Faserverband, z. B. Baumwolle, Chemiefasern o. dgl. mit mindestens einem Verzugsfeld |
DE19807496B9 (de) * | 1998-02-21 | 2008-05-21 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Verfahren und Vorrichtung zur Steuerung des Verzuges an einem Streckwerk für textiles Fasermaterial |
DE19921429B4 (de) * | 1998-06-29 | 2017-03-02 | Rieter Ingolstadt Gmbh | Verfahren und Vorrichtung zur Fehlerkorrektur eines von einem Meßorgan gelieferten Meßwertes von Faserband in einer Textilmaschine |
EP1114299B1 (de) | 1998-08-31 | 2005-02-02 | Malcam Ltd. | Mikrowellenresonator zur kontinuierlichen auswertung von faserigen stoffen |
DE10041892A1 (de) | 2000-08-25 | 2002-03-07 | Truetzschler Gmbh & Co Kg | Vorrichtung an einer Regulierstrecke für Faserbänder zum direkten Ermitteln von Einstellwerten für den Reguliereinsatzpunkt |
US7103440B2 (en) * | 2001-12-11 | 2006-09-05 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Use of microwaves for sensors in the spinning industry |
-
2002
- 2002-04-02 DE DE10214649A patent/DE10214649A1/de not_active Withdrawn
-
2003
- 2003-03-28 EP EP03007095A patent/EP1350870B1/de not_active Expired - Lifetime
- 2003-03-28 DE DE50300784T patent/DE50300784D1/de not_active Expired - Lifetime
- 2003-03-31 US US10/403,819 patent/US6874204B2/en not_active Expired - Fee Related
- 2003-04-02 CN CNB031077226A patent/CN100529210C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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CN100529210C (zh) | 2009-08-19 |
EP1350870A2 (de) | 2003-10-08 |
DE50300784D1 (de) | 2005-08-25 |
EP1350870A3 (de) | 2004-01-28 |
US20040025303A1 (en) | 2004-02-12 |
DE10214649A1 (de) | 2003-10-16 |
CN1448558A (zh) | 2003-10-15 |
US6874204B2 (en) | 2005-04-05 |
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