EP1867765B1 - Vorrichtung zur Jacquardfachbildung, mit einer solchen Vorrichtung versehene Webmaschine und Verfahren zur Fachbildung auf einer solchen Webmaschine - Google Patents

Vorrichtung zur Jacquardfachbildung, mit einer solchen Vorrichtung versehene Webmaschine und Verfahren zur Fachbildung auf einer solchen Webmaschine Download PDF

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Publication number
EP1867765B1
EP1867765B1 EP07356085A EP07356085A EP1867765B1 EP 1867765 B1 EP1867765 B1 EP 1867765B1 EP 07356085 A EP07356085 A EP 07356085A EP 07356085 A EP07356085 A EP 07356085A EP 1867765 B1 EP1867765 B1 EP 1867765B1
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EP
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Prior art keywords
pick
parameter
value
actuator
stage
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EP07356085A
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English (en)
French (fr)
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EP1867765A1 (de
Inventor
Sylvain Puget
Raphael Peuget
Walter Marsura
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Staubli Faverges SCA
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Staubli Faverges SCA
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/20—Electrically-operated jacquards
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/20—Electrically-operated jacquards
    • D03C3/205—Independently actuated lifting cords

Definitions

  • the invention relates to a Jacquard-type shedding device for a loom and to a loom equipped with such a device.
  • the invention also relates to a method of forming the crowd on such a craft.
  • the crowd being defined as the trajectory of the smooth over time
  • the parameters of crowd can be the amplitude of the movement, its form, its temporal offset with respect to a reference which can be the cross or its vertical offset with respect to a reference plane that can be the sheet of son at the crossing.
  • the weaver must make many adjustments to these parameters which are long, tedious and, consequently, sources of errors.
  • the invention intends to remedy more particularly by proposing a new device for forming the crowd which simplifies, to a very large extent, the programming work of the weaver when a new design has to be implemented. on a trade or when crowd parameters need to be changed.
  • a pick corresponds to a cycle of insertion of a frame.
  • the drawing defines the fabric. It contains at least the armor of the drawing and, optionally, other elements such as information on the type of frame to be inserted at each pick.
  • the weave of a fabric defines the position of the thread or wires that each actuator controls with respect to the weft and for each pick.
  • the armor is conventionally represented by a table whose columns correspond to the actuators and the lines to the picks.
  • a box blackened or comprising a cross means that the son or wires controlled by the actuator of the column pass above the frame for the pick considered in a line.
  • a white box means that the son or wires controlled by this actuator pass under the frame for the pick in question. From a computer point of view, the position of the wires controlled by an actuator can be stored on one bit per pick. This bit takes the value 1 when the wires ordered must be above the frame and 0 when they must be below.
  • a pick lasts a business blow, or 360 ° rotation of the main shaft of the trade.
  • the moving threads are at the crossing, that is to say, substantially in the vicinity of a median plane of the crowd. They reach their extreme high or low position when the business angle is shifted about 180 ° from the beginning of the pick.
  • the analyzer and the factor of determination of the modification factor make it possible to obtain automatically, that is to say without human intervention, a dynamic adaptation of a control parameter of an actuator, This prevents the weaver from having to program each actuator or group of actuators individually.
  • such a device can incorporate several of the features of claims 2 to 6.
  • the drawing corresponding to one or more picks in order to automatically adjust one of the control parameters of this actuator.
  • the method of the invention is to dynamically modify the crowd by appropriately controlling the actuators.
  • such a method may incorporate one or more of the features of claims 8 to 18.
  • the invention relates to a loom equipped with a crowd forming device as mentioned above, such a job being easier and more economical to operate than those of the state of the art.
  • the loom M schematically represented at the figure 1 is equipped with warp yarns 1 each passing through an eyelet 2 of a hinge 3 animated by a vertical oscillation movement represented by the double arrow F 1 , this movement being generally perpendicular to the direction of engagement of the weft yarns in the crowd, this direction being represented by the double arrow F 2 .
  • Each arm is connected by a cord 4 to a pulley 5 driven in rotation by an electric servomotor 6 forming an actuator for the pulley 5.
  • each arm 3 is connected by a rod 7 to a return spring 8 secured to the frame 9 of the trade M.
  • the number of actuators 6 of the trade M can be 12,000 or more.
  • a central computer C 1 is used, in conjunction with several remote computers C 21 , C 22 , C 23 ... C 2i , where ia a value adapted to the number of actuators 6.
  • Each calculator C 21 or equivalent is disposed near the servomotors 6 that it controls.
  • the calculators C 21 and equivalents are connected to the central computer C 1 by means of dedicated electrical connections L 21 , L 22 , L 23 , ... L 2i .
  • the computer C 1 receives a signal S 1 representative of the instantaneous position of the tree of the trade M in its cycle. This signal corresponds to the instantaneous position of its main shaft 10 and can be measured by its angular position ⁇ relative to a reference position.
  • the computer C 1 is connected to an electronic unit U 1 in which are stored the data relating to the drawing, including the information concerning the desired armor, that is to say the pattern to be made during weaving. According to the drawing D to be produced, the computer C 1 receives from the unit U 1 a signal S 2 representative of this drawing.
  • the computer C 21 is associated with a memory M 211 forming a library in which are stored values representative of profile types P 1 to P 8 shown in FIG. figure 3B or algorithms for calculating these values.
  • profile P 1 to P 8 correspond to the types of movement of an eyelet 2, as a function of the angular position ⁇ of the main shaft of the loom during time t, in a vertical direction ZZ 'corresponding to the direction of the double arrow F 1 .
  • the profile types P 1 , P 2 , P 3 and P 4 correspond to a change of position with respect to the frame of an eyelet, whereas the profile types P 5 , P 6 , P 7 and P 8 correspond to holding in position relative to the frame.
  • the figure 2 represents the control of the actuator 6 1 , it being understood that the control of the other actuators 6 2 to 6 k by the computer C 21 is similar.
  • the computer C 21 has access to a memory M 212 in which the positions are stored relative to each other.
  • the computer C 21 has information relating to the positions to be respected for five successive picks, including the current pick, for the rail 3 actuated by the servomotor 6 1 . These five positions relative to the weft constitute what is called a portion of armor made by the smooth.
  • the computer C 21 receives from the computer C 1 a signal S 21 indicating to it the position relative to the weft Pos (d n + 2 ) that will have to take the smooth 3 for the second pick according to the pick in question, namely the pick referenced d n + 2 .
  • the values stored in the memory M 212 are shifted step by step, the value Pos (d n-1 ) taking the value Pos (d n-2 ) and so on.
  • Amp, Pc, Pm, ⁇ , and ⁇ Z are basic shedding parameters for a given actuator 6.
  • the computer C 21 is able to determine the law of displacement of the beam 3 driven by the actuator which it controls for an interval corresponding to the length of d 'a pick. This interval starts at 180 ° from the beginning of the pick and ends at 540 ° from this beginning.
  • the position setpoint of each actuator is calculated in the computer C 21 for a given period ⁇ t.
  • the set value K 1 ... K k of each actuator 6 1 , 6 2 , ..., 6 k is a succession of instantaneous reference values.
  • the calculated value K 1 ... K k thus calculated is then input in the form of a signal S 211 ... S 21k in a control unit A 211 ... A 21k dedicated respectively to the control of each actuator 6 1 , 6 2 , ..., 6 k .
  • the computer C 21 carries out an analysis of the armor enabling it to determine the value of the shedding parameters which are to be transmitted in the form of a signal S 211 to a control unit A 211 of the servomotor 6 1 .
  • This analysis is carried out automatically, that is to say without human intervention, on the five picks centered on d n and whose respective positions are contained in the memory M 212 .
  • the law of movement of the arm 3 actuated by the servomotor 6 1 is represented as a function of the angle ⁇ of the main shaft of the loom.
  • the value ⁇ in this figure corresponds to 360 ° of rotation of the shaft, or a pick.
  • the dotted line L 1 represents the law of motion of a Smooth through a taffeta armor and visualize the cycles of the trade M.
  • the beam is held in the high position during the first four turns of trade and then passes alternately from a high position to a low position, with a taffeta movement, from the fifth lap of the craft.
  • the packing of a warp yarn is defined as the difference between its length when it is extracted from the fabric and the length of the fabric. Clogging a taffeta string is longer than wrapping a five-satin string for which the binary armor sequences are 01111, 10111, 11011, 11101, and 11110.
  • the binary armor sequences are 01111, 10111, 11011, 11101, and 11110.
  • the curve L 2 crosses the median plane of the crowd, that is to say, reaches the crossing, with a lower angle ⁇ of a value d ⁇ equal to 20 ° with respect to the value at which it crosses the median plane along the line L 1 .
  • the weaver can associate with each value V an offset d ⁇ corresponding to a lead of the race when the succession of picks d n-2 , d n-1 , d n , d n + 1 and d n + 2 corresponds to a taffeta, that is to say to the configuration of the columns indicated by the arrows F 3 and F 5 on the figure 3A .
  • the operation of the computer C 21 for the control of the actuator 6 1 for a pick d n , follows the flowchart shown in FIG. figure 4 .
  • the computer C 21 receives the signal S 21 from the computer C 1 .
  • the value of the position Pos (d n + 2 ) for the pick d n + 2 is stored in the memory M 212 .
  • the computer accesses the memory M 212 and retrieves the information relating to the Pos (d n-2 ), Pos (d n-1 ), Pos (d n ), Pos (d n + 1 ) positions.
  • step 104 the memory M 213 is accessed and, from the calculated value V, it is determined which angular offset value d ⁇ must be implemented for the cross.
  • This angular offset value being determined, it generates, in a step 105, the signal S 211 corresponding to the values of the amplitude A to follow as a function of the angle ⁇ .
  • step 105 the portion of the curve L 2 corresponding to the interval extending from 180 ° to 540 ° after the beginning of the picking d n is generated, after having corrected it if necessary. the factor d ⁇ for the crossing angle at the crossing of the bar.
  • the correction of the curve portion L 2 is carried out optionally, insofar as it is implemented, if necessary, in the case where the factor d ⁇ is non-zero.
  • steps 104 and 105 makes it possible to modify the value of the amplitude A of the displacements to be generated by the actuator 6 1 as a function of the angle ⁇ , that is to say of passing from the curve L 1 to curve L 2 at the figure 5 .
  • the calculator C 21 can therefore be considered as having a first module C '21 by which the drawing D corresponding to the current pick, the anterior picks and the posterior picks, and a second module C " 21 in which, from the result of this analysis, ie from the value of V, the value of the offset d ⁇ to be applied to the crosstitch is determined, this shift being in fact a factor for modifying or correcting the successive values , as a function of the angle ⁇ , from the amplitude A to the figure 5 .
  • These successive values of the amplitude A as a function of ⁇ is transmitted to the control unit A 21 as the signal S 211, unit A 211 while driving the actuator 6 1 as a function of this signal.
  • the offset d ⁇ may have a non-zero value also when the value of V is different from 10 and 21.
  • the value of d ⁇ may be equal to 10 ° when V is 2, 4, 5, 6, 8, 9, 11, 12, 13, 14, 17, 18, 20, 22 and 26. This results from a choice of the weaver, this choice can be made as a rule followed for all the pick of the fabric, which avoids tedious programming.
  • the table present in the memory M 213 may be the same for all the actuators.
  • the weaver must enter only the values corresponding to a single table, these values being able to be used for all the actuators and for all the picks.
  • the memory M 213 is common for all the computers C 2i and all the actuators 6.
  • the table present in the memory M 213 is specific to each actuator or to each group of actuators, for example the actuators intended to weave the edge of the fabric.
  • the invention has been represented with a method in which the two previous picks and the two picks after the current pick are taken into account. It is applicable with a method in which only one anterior and / or one posterior duet is taken into account. It is also applicable to the general case for which account is taken of mites centered or not on the current pick.
  • the table present in the memory M 213 contains 2 m values to which a parameter V between 0 and 2 m -1 can be assigned.
  • the invention has been represented in the case where an offset d ⁇ is determined that applies to the contemplated shift ⁇ for an actuator. It also applies to the modification of one of the other Amp, Pc, Pm, or ⁇ Z crowd parameters.
  • modules C '21 and C' '21 have been identified .
  • these modules can be formed by a microprocessor forming the central part of the computer C 21 , this microprocessor being programmed to successively play the role of the modules C '21 and C' '21 as well as to fulfill the other functions of the calculator C 21 .
  • memories M 211 , M 212 , M 213 and M 214 have been shown outside the computer C 21 - In practice, they can be integrated in this computer. To the figure 1 for the sake of clarity, only the memories associated with the computer C 21 are shown.
  • the calculation of the offset d ⁇ may be performed in the main computer C 1 for each of the actuators.
  • the value of this offset is integrated in the signal S 21 .
  • the second embodiment of the invention shown in figure 6 relates to the case where the crowd parameters are modified according to an analysis of the drawing D of all the actuators 6 on a single pick.
  • the geometry of the open shed depends on the imbalance between the number of wires arranged respectively in the high position and in the low position.
  • the geometry of the crowd must remain as stable as possible. In order to obtain a good stability of the crowd, certain parameters of the crowd can be adjusted appropriately.
  • the analysis is performed at the level of the central computer C 1 who has access to the data relating to all the actuators 6.
  • the weaver can enter, in a memory similar to the memory M 213 to which the computer C 1 has access, an over-travel value dA to be applied, upwards or downwards, for each smooth according to the imbalance expected for the crowd, including the ratio between the number of son in the high position and the number of son in the low position for a future crowd.
  • an over-travel value dA to be applied, upwards or downwards, for each smooth according to the imbalance expected for the crowd, including the ratio between the number of son in the high position and the number of son in the low position for a future crowd.
  • the calculator C 1 evaluates the imbalance on the next pick d n + 1 from the knowledge he has of the positions of the son on this next pick. From this evaluation, the calculator C 1 determines the modifications to be made to the corresponding shedding parameters, in particular the maximum amplitude changes Amp of the strokes of the rails, over a range extending from 180 ° to 540 ° of angle. profession after the beginning of the duite d n . These modifications are addressed to the remote computers C 21 ,... C 2i within the signals S 21 ,... S 2i .
  • the line L 2 represents the stroke of a rail controlled by an actuator 6 as a function of the angle ⁇ of the main shaft 10.
  • the picks are considered according to their order number d 1 , d 2 , d 3 . ..
  • We define the value of the unbalance of the crowd for a pick d n corresponding to the ratio between, on the one hand, the difference in the number of wires in the high position and the number of wires in the low position and, on the other hand , the total number of wires.
  • This imbalance can be calculated, for each pick d n and for all of the actuators 6, by the calculator C 1 .
  • the calculated value of the imbalance can be rounded to the nearest 0.1. We then obtain one of eleven values between 0 and 1.
  • the first computer C 1 determines the over-travel dA to apply and sends the corresponding information within the signal S 21 , ... S 2i to each of the remote computers C 21 , ... C 2i .
  • the values of the overtravel dA can be different from one actuator to another.
  • Each remote computer C 21 , ... C 2i takes into account the over-travel dA in the calculation of the position instructions sent to the actuators that it controls.
  • the invention it is possible to modify the crowd parameters dynamically according to an analysis produced on the type of frame to be produced.
  • a very open crowd profile is required.
  • the use of such a profile significantly increases the risk of breakage warp son. The invention makes it possible to reduce this risk.
  • a first type of substantially sinusoidal profile P 1 as represented between picks d 1 and d 3 and aligned on a sinusoid L 1
  • a second type of profile P 1 more open than the profile type P 1
  • a third type of profile P " 1 almost rectangular.
  • the weaver has entered in a corresponding table the type of profile P 1 , P ' 1 or P'' 1 corresponding to each type of weft yarn used by having classified the weft son by diameter.
  • the fabric comprises three types of weft son T 1 , T 2 and T 3 whose diameter increases from T 1 to T 3 . It is considered that the weaver respectively assigns the profiles P 1 , P ' 1 and P'' 1 to the weft son T 1 , T 2 and T 3 .
  • the frame analysis is performed by the first computer C 1 and is used to select the type of profile corresponding to the largest weft yarn inserted during the current pick d n and the weft next d n + 1 .
  • the types of profiles being defined from one extreme position to another of the crowd, it should be considered two picks to choose the profile that will ensure the most appropriate passage volume.
  • the computer C 1 analyzes the drawing to be made taking into account the weft son to be inserted during the pick d 7 and d 8 . If the wire to be inserted in the d 8 die is of the T 3 type, while the weft wire to be inserted at the d 7 die is of the T 1 type, the computer determines that the profile to be to apply from a point b which is shifted from point a to an angle value ⁇ of 180 ° is the type of profile P '' 1 which corresponds to the largest of the frames envisaged.
  • the computer C 21 modifies the control parameters of the corresponding actuator to adopt, over an angle range of 360 °, the profile type P '' 1 .
  • the type of profile P '' 1 is gradually changed to the type of profile P 1 , via the profile type P ' 1 intermediate between these profiles P 1 and P'' 1 .
  • the computer determines that the type of profile to be applied between the points c and d is the type of profile P ' 1 which has been assigned to the type of frame T 2 by the weaver.
  • the step of modifying the parameter normally determined by the calculator is not systematic. Indeed, d ⁇ can be zero in the first method, as dA in the second method. In the third method, if it is not necessary to change the type of profile, the profile type P 1 is not modified.
  • the analysis of the drawing corresponding to at least one pick makes it possible to consider modifying the value of a control parameter of an actuator in order to improve the adaptation of the crowd to the drawing. sought, this in a dynamic and automated way, which prevents the weaver from having to individually program the movement of each of the smooth for each pick.
  • the modified parameter (s) may be one or more of the Amp, Pc, Pm, ⁇ , and ⁇ Z crowd parameters mentioned above.
  • a Jacquard loom actuator may control one or more louvers.

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Claims (19)

  1. Vorrichtung zur Jacquard-Fachbildung, mehrere elektrische Betätigungselemente (6) und Mittel (C1, C21, C22 ...) zur Steuerung dieser Betätigungselemente umfassend, die geeignet sind, für jedes Betätigungselement ein Signal (S211) zu erzeugen, das für einen Wert mindestens eines Parameters (A) repräsentativ ist, der von einem Rechner (C1, C21, C22) bestimmt ist, dadurch gekennzeichnet, dass die Steuerungsmittel für mindestens ein Betätigungselement umfassen
    - einen Analysierer (C'21), der geeignet ist, für einen Schuss (dn) das Muster (D) entsprechend einem oder mehreren Schüssen (dn-2, dn-1, dn, dn+1, dn+2) zu analysieren, und
    - ein Element (C"21) zur Bestimmung eines Modifikationsfaktors (dθ; dA; P'1, P"1) auf der Grundlage des Ergebnisses (V) der von dem Analysierer durchgeführten Analyse des von dem Rechner bestimmten Wertes (A) des Parameters.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Analysierer (C21) geeignet ist, für einen Schuss (dn) das diesem Schuss sowie mindestens einen vorigen Schuss (dn-2, dn-1) und/oder mindestens einen hinteren Schuss (dn+1; dn+2) entsprechende Muster (D) zu analysieren.
  3. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Analysierer (C'21) von dem Rechner (C1, C21, C22 ... C2i) gebildet wird oder zu diesem gehört.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Element (C"21) zur Bestimmung des Modifikationsfaktors von dem Rechner (C1, C21, C22, ... C2i) gebildet wird oder zu diesem gehört.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie einen Speicher (M212) zum Speichern eines Parameters (Pos(dn-2), Pos(dn-1), Pos(dn), Pos(dn+1), Pos (dn+2)) abhängig vom Muster (D) entsprechend dem Schuss (dn) sowie mindestens einem vorigen Schuss (dn-2, dn-1) und/oder mindestens einem späteren Schuss (dn+1, dn+2) umfasst.
  6. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass sie einen Speicher (M213) zum Speichern von Werten des Modifikationsfaktors (dθ) umfasst, wobei diese Werte jeweils einem Wert eines Parameters (V) zugeordnet sind, der durch den Analysierer (C'21) bestimmt ist.
  7. Verfahren zur Fachbildung an einer Webmaschine für die Steuerung von Arkaden (4) einer Jacquard-Schaftmaschine mittels einer Mehrzahl von elektrischen Betätigungselementen (6), die durch Mittel (C1, C21, C22, ... ) gesteuert werden, die geeignet sind, für jedes Betätigungselement ein Signal (S211) zu erzeugen, das für den Wert eines berechneten Parameters (A) repräsentativ ist, dadurch gekennzeichnet, dass es automatische Schritte umfasst, die für mindestens einen Schuss (dn) darin bestehen:
    a) - für mindestens ein Betätigungselement (6) das Muster (D) entsprechend einem oder mehreren Schüssen (dn-2, dn-1, dn, dn+1, dn+2) zu analysieren (102, 103) und
    b) - gegebenenfalls (104, 104) den Wert (A) mindestens eines Steuerparameters des Betätigungselements (6) abhängig vom Ergebnis der Analyse des Schritts a) zu modifizieren.
  8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass:
    c) - bei dem Schritt a) die Analyse für das Muster entsprechend dem Schuss (dn) sowie mindestens einem vorigen (dn-2, dn-1) und/oder späteren Schuss (dn+1, dn+2) durchgeführt wird.
  9. Verfahren nach einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, dass:
    d) - bei dem Schritt a) man das Muster (D) für ein Betätigungselement (6) oder eine Gruppe von Betätigungselementen basierend auf hohen oder niedrigen Positionen entsprechend der Arkade(n) analysiert und einem Parameter (V) einen repräsentativen Wert der aufeinanderfolgenden Positionen der Arkade(n) zuteilt und
    e) - bei dem Schritt b) man den zugeordneten Wert (V) berücksichtigt, um den Steuerparameter (A) des Betätigungselements zu modifizieren oder nicht (dθ).
  10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, dass der beim Schritt a) zugeteilte Wert (V) eine ganze Zahl zwischen 0 und 2m-1 ist, wobei m die Zahl der während des Schritts c) analysierten Schüsse ist.
  11. Verfahren nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass der gegebenenfalls modifizierte Parameter (A) den Kreuzungswinkel der entsprechenden (4) Arkade(n) mit einer mittleren Ebene des Fachs beeinflusst.
  12. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass
    f) - man bei dem Schritt a) das Ungleichgewicht zwischen Fäden in hoher Position und Fäden in niedriger Position in dem Fach für einen späteren Schuss (dn+1) bestimmt, man dann einem Parameter einen für dieses Ungleichgewicht repräsentativen Wert zuspricht, und
    g) - bei dem Schritt b) man den zugeteilten Wert berücksichtigt, um den Steuerungswert des Betätigungselements zu modifizieren oder nicht (dA).
  13. Verfahren nach Anspruch 12, dadurch gekennzeichnet, dass der gegebenenfalls modifizierte Parameter die Amplitude der Verschiebung (Amp) zwischen hohen und niedrigen Positionen der Arkade(n) (4) beeinflusst, die von dem Betätigungselement (6) oder der Gruppe von Betätigungselementen angetrieben werden.
  14. Verfahren nach Anspruch 12, dadurch gekennzeichnet, dass der gegebenenfalls modifizierte Parameter (ΔZ) die Höhe in Bezug auf eine Referenzebene der Kreuzung der Kettfäden beeinflusst.
  15. Verfahren nach einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, dass
    h) - bei dem Schritt a) man die Art des Profils (P1, P'1, P"1), die für einen späteren Schuss (dn+1) notwendig ist, bestimmt, und man einem Parameter einen für diese Art des Pofils repräsentativen Wert zuordnet und
    i) - man bei dem Schritt b) den zugeordneten Wert berücksichtigt, um den Steuerparameter des Betätigungselements (6) zu modifizieren oder nicht.
  16. Verfahren nach Anspruch 15, dadurch gekennzeichnet, dass bei dem Schritt a) die Art des Profils (P1, P"1 ... P"1) bestimmt wird, wobei der Durchmesser des während des späteren Schusses (dn+1) einzufügenden Schussfadens berücksichtigt wird.
  17. Verfahren nach einem der Ansprüche 15 oder 16, dadurch gekennzeichnet, dass bei dem Schritt b) man den zugeordneten Wert berücksichtigt, um die Art des zu verwendenden Profils (P1, P'1, ... P"1) von dem laufenden Schuss (dn) an auszuwählen.
  18. Verfahren nach einem der Ansprüche 7 bis 17, dadurch gekennzeichnet, dass bei dem Schritt a) man einen externen Parameter beim Muster (D), insbesondere die Spannung der Kette, berücksichtigt.
  19. Webmaschine (M) ausgerüstet mit einer Vorrichtung zur Fachbildung (2-6, C1, C21, C22 ... C2i, V1, M211, M212, M213) nach einem der Ansprüche 1 bis 6.
EP07356085A 2006-06-16 2007-06-15 Vorrichtung zur Jacquardfachbildung, mit einer solchen Vorrichtung versehene Webmaschine und Verfahren zur Fachbildung auf einer solchen Webmaschine Active EP1867765B1 (de)

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FR0605379A FR2902444B1 (fr) 2006-06-16 2006-06-16 Dispositif de formation de la foule de type jacquard, metier a tisser equipe d'un tel dispositif et procede de formation de la foule sur un tel metier

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EP3121317B1 (de) 2015-07-23 2021-01-06 STÄUBLI BAYREUTH GmbH Verfahren zum weben eines gewebes, durch solch ein verfahren gewobenes near-net-shape-gewebe und webmaschine zur durchführung dieses verfahrens
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EP3458633B1 (de) * 2016-05-16 2022-12-28 Georgia Tech Research Corporation Systeme und verfahren zur kontinuierlichen herstellung von gewebten verbundmaterialien
CN106354952B (zh) * 2016-08-31 2019-06-04 山东日发纺织机械有限公司 一种快速调整梭口角度的方法
EP3615719A4 (de) * 2017-04-28 2020-12-30 Unspun, Inc. Systeme und verfahren zur erzeugung von topographischem gewebe
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FR2902444A1 (fr) 2007-12-21
KR20070120041A (ko) 2007-12-21
US20070293976A1 (en) 2007-12-20
CN101089269A (zh) 2007-12-19
TW200813273A (en) 2008-03-16
JP2007332528A (ja) 2007-12-27
US7894928B2 (en) 2011-02-22
CN101089269B (zh) 2011-06-08
DE602007002013D1 (de) 2009-10-01
ATE440163T1 (de) 2009-09-15
TWI400372B (zh) 2013-07-01
KR101376144B1 (ko) 2014-03-19
JP5107616B2 (ja) 2012-12-26
FR2902444B1 (fr) 2008-08-29
EP1867765A1 (de) 2007-12-19

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