EP0499775B1 - Procédé et dispositif de lubrification d'un fil - Google Patents

Procédé et dispositif de lubrification d'un fil Download PDF

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Publication number
EP0499775B1
EP0499775B1 EP92100241A EP92100241A EP0499775B1 EP 0499775 B1 EP0499775 B1 EP 0499775B1 EP 92100241 A EP92100241 A EP 92100241A EP 92100241 A EP92100241 A EP 92100241A EP 0499775 B1 EP0499775 B1 EP 0499775B1
Authority
EP
European Patent Office
Prior art keywords
wire
skein
lubricant
strand
feed
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.)
Expired - Lifetime
Application number
EP92100241A
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German (de)
English (en)
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EP0499775A1 (fr
Inventor
Gerhard Boockmann
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Boockmann GmbH
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Boockmann GmbH
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Publication date
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Publication of EP0499775A1 publication Critical patent/EP0499775A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F99/00—Subject matter not provided for in other groups of this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/06—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length by rubbing contact, e.g. by brushes, by pads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/20—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C9/00—Cooling, heating or lubricating drawing material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H71/00—Moistening, sizing, oiling, waxing, colouring or drying filamentary material as additional measures during package formation
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/02—Machine details; Auxiliary devices
    • D07B7/12—Machine details; Auxiliary devices for softening, lubricating or impregnating ropes, cables, or component strands thereof

Definitions

  • wires such as electro-insulated winding wires for the manufacture of electrical engineering products, must have good meltability so that they can be positioned easily and precisely in the manufacture of windings.
  • the sliding properties of the wire are intended to protect the electrical insulation layer during processing.
  • paraffins are used as lubricants, which are applied in the form of solutions in petrol or other organic solvents via a felt to the mostly warm wire as a coating. The solvent is evaporated, a thin layer of paraffin remaining on the wire surface (see, for example, US Pat. No. 4,545,323).
  • These blending methods use 1/2 to 1% paraffin solutions, so that the lubrication causes high solvent losses and thus economic losses and at the same time a considerable pollution of the air.
  • Another known method uses aqueous emulsions or dispersions of the paraffins instead of solutions of the paraffins in petrol or other organic solvents. This avoids the emission of organic solvents, but metering the emulsion with a wick or felt is difficult. Such a method is therefore not suitable if, as is often desired, very precisely defined amounts of paraffin have to be applied to the wire surface. Otherwise, the use of aqueous emulsions requires an additional drying process.
  • the object on which the invention is based was now to avoid the disadvantages of the known methods for lubricating wires, in particular to obtain a method which is as simple and reliable as possible and to thereby avoid solvent emissions.
  • the process according to the invention for making a wire lubricant by coating the wire with a solid or liquid lubricant is characterized in that the wire is passed through at least one loop of at least one absorbent strand of material soaked in the lubricant, and the material strand is essentially constant Speed that is slower than the wire feed speed advances.
  • the method has the additional advantage that the average coefficient of friction and its dispersion is lower than when using a solution of the lubricant.
  • any material that can be looped around the wire and has sufficient strength during the feed so that it does not tear off can be used as an absorbent strand of material.
  • This strand of material is expediently a thread or thread or thread of some other kind at least once, usually several times, around the wire. Pure cotton threads are particularly suitable because they are particularly absorbent, but any other absorbent textile materials can also be used.
  • the thread or twine thickness is preferably such that it allows a good controllable preferred speed, but still gives sufficient tear resistance. Yarns or threads with a weight of 30 to 300 g / km are preferred.
  • a strand of material such as a thread or a twine, which is wrapped around the wire will be used in the process according to the invention, but two or more such strands of material can also be wrapped around the wire in succession if a denser filling of the wire with the loops is desired .
  • Liquid or solid substances with sliding properties can be considered as lubricants, although solid lubricants at ambient temperature are preferred, since they give a better sliding effect.
  • the usual lubricants are paraffins, but oils, fats and waxes can also be used.
  • all of these lubricants can also contain surfactants, such as and in particular the known fluorine-containing wetting agents.
  • a suitable lubricant can consist of 98 parts by weight of a paraffin with a melting range of 50 to 54 ° C and 2 parts by weight of a commercially available fluorine-containing wetting agent.
  • waxes can also be used as lubricants which, because of their high melting point and their tendency to crystallize, cannot be processed into solutions which are stable in the cold.
  • Such waxes such as bees or carnauba wax, improve the lubricity under certain rubbing stresses more than the relatively low-melting paraffins.
  • the amount of impregnation of the absorbent strand of material can be varied as desired.
  • the yarn or the lubricant can contain an amount of approximately 100% of its own weight as an impregnation.
  • the amount of lubricant in the absorbent strand of material is a means of regulating the amount of lubricant applied to the wire. This quantity can be controlled, on the one hand, by the sliding center content of the strand of material and, on the other hand, by the number of wraps of the wire, the feed or advance speed of the strand of material compared to the wire speed and the wire temperature.
  • the lubricant application it is sufficient for the lubricant application to rub off the lubricant from the impregnated strand of material through the wire drawn through the loops.
  • the wire in the region of the loops preferably has a temperature between the melting temperature of the lubricant and 200 ° C.
  • the speed of advance or advance of the wire is much greater than that of the strand of material impregnated with the lubricant.
  • the feed or preferred ratio of strand of material and wire in the range from 1: 100 to 1: 10,000 is particularly preferred.
  • the lubricant is expediently applied to the surface of the wire in an application thickness of 2 to 1000, preferably 20 to 100 mg / m2.
  • Such a thin application is particularly easy when using lubricants with melting points in the range from 35 to 140 ° C and when pulling the wire through the material strand loops at an elevated temperature.
  • the wire comes out of its pretreatment, such as electrical insulation coating, at an elevated temperature, so that it is expedient to use this temperature and to connect the lubricant coating directly.
  • a strand of material pre-impregnated with the lubricant since in this way the device can be designed in the simplest and safest way.
  • an endlessly circulating strand of material can be used, which is guided in a closed circuit through the lubricant impregnation device and over the wire.
  • the strand of material impregnated with the lubricant can be moved simultaneously or in opposite directions with respect to the direction of advance of the wire.
  • the former is mostly preferred.
  • the method according to the invention enables wires to be made free of emissions by sliding with the aid of simply constructed devices of reliable coating thickness in a simple manner.
  • a particular advantage of the method according to the invention is that the control of the thread tension can be automatically and continuously determined whether the wire to be lubricated is actually supplied with lubricant.
  • the method can therefore be particularly advantageously inserted into the fully automatic and unsupervised production of electrical winding wires.
  • by detecting an increased thread tension it can be indicated whether the wire has received a disturbing roughness in the previous coating process. A corresponding signal can be used for corrections in the painting process.
  • the device according to the invention for making a wire lubricious by coating the wire with a solid or liquid lubricant has a feed or feed device for the wire and a feed or feed device for at least one absorbent strand of material wrapped around the wire and soaked with the lubricant.
  • the feed or preferred device for the material strand preferably has a device which regulates the supply of the material strand in a controlled manner and a device which receives the material strand in a controlled manner and secures it against backflow.
  • the device which receives the material strand after depletion of lubricant is most simply a take-up spool which is expediently driven and pulls the material strand through the device. But it is also conceivable that the strand of material is pulled through the device by a separate device and then wound on a take-up spool. Instead of such a take-up reel, a suction device can also be used, which sucks off and accumulates the strand of material depleted in lubricant at the end of the device.
  • a take-up spool As the device that receives the material strand in a controlled manner, it is expedient if its core is conical or tapers close to one end. In such a take-up spool, the wound strand of material slides towards the tapered end, so that a roll is formed over the entire spool without a special traversing device.
  • the device dosing the supply of the strand of material in a controlled manner can be designed differently and can consist of a device that brakes the unwinding device for the strand of material.
  • This device is expediently a separate drive roller with a pressure roller which, in cooperation, feed the strand of material to the device at a uniform speed. It is essential that the material strand between the feed device and the receiving device runs essentially taut and with essentially the same Speed of the device is supplied and removed from it.
  • a favorable device for this is that the device which regulates the supply of the material strand in a controlled manner and the device which receives the material in a controlled manner are coils driven by means of a synchronous motor, i.e. driven by the same motor.
  • the synchronization of the two coils can expediently take place with the aid of a drive belt connecting the axes of rotation or shafts of the two coils, which drives, for example, via a belt pulley seated on the shaft of the respective coil
  • the drive roller In order to change the amount of lubricant applied to the wire, you can make the drive roller interchangeable, for example. With a drive roller with a larger diameter, a larger amount of the strand of material is fed per revolution, so that a larger amount of lubricant is deposited on the wire per unit length thereof.
  • the dancer device For fine regulation and to avoid material strand breaks, it is expedient to control the ratio of the dosage amount to the intake quantity of the material strand with the aid of a dancer device.
  • a dancer device When using a synchronous motor and a drive belt driving the take-up spool, it is expedient to arrange the dancer device in such a way that this drive belt is tightened or loosened by it. If, for example, the tension of the strand of material increases so that there is a risk of the strand of material breaking, the dancer device loosens the drive belt while increasing the slip, so that the increased tension of the strand of material is compensated for. If the tension is then reduced, the dancer device tightens the drive belt, thus reducing its slippage and increasing the tension of the strand of material.
  • this has a braked or regulated unwinding device for the material strand, two deflection rollers and a driven winding device, the deflection rollers being arranged in relation to the wire to be made slidable such that the material strand between the two deflection rollers is the wire in the form of at least one loop.
  • an auxiliary roller is preferably arranged on the device in such a way that it deflects the strand of material which wraps around the wire twice at least once in opposite directions. It is further preferred that the feed or feed device for the wire gives it a linear movement in the area between the deflection rollers.
  • a device for regulating the preferred speed for the wire and / or the strand of material is provided.
  • the take-up spool is expediently driven with a constant winding tension.
  • the unwinding spool or a device connected downstream of it expediently has a specific winding resistance and or a specific unwinding speed.
  • a dancer device In order to avoid tearing of the material strand, a dancer device was described above as preferred. Instead, a second motor can also be provided, which compensates for undesirably high tensile stresses which may lead to material strand breaks.
  • This preferably consists of a deflection device for the strand of material which can be moved in two end positions and which can be pulled from the strand of material into a first end position and can be brought into a second end position by a pretensioning, a signal transmitter device triggering a signal in the second end position of the strand of material.
  • Such a device triggers a signal if the material strand breaks, if the operator has forgotten to put on a new material strand roll, if the material strand tension is too low, if the drive motor is defective or the supply reel for the material strand is at the end.
  • This deflection device expediently sits between the deflection rollers for the strand of material and advantageously near the wire.
  • This deflection device can be a roller or a mandrel over which the thread is drawn.
  • This deflection device is expediently arranged on a lever arm which can be pivoted about an axis and is preloaded by a spring.
  • the deflection device can be designed such that in the first end position it closes an electrical contact, a signal of which is triggered when it is opened.
  • the strand of material pulls the deflection device against the spring tension to the electrical contact under normal conditions. If the thread tension is now reduced or released, the deflection device is lifted from the electrical contact under the spring tension and goes into the second end position, whereby a signal is triggered, such as an optical and / or acoustic signal.
  • the wire is drawn in the direction of the arrow from a preferred device, not shown, linearly from right to left over the rollers 10 and 11 through four loops 5 of the strand of material (yarn or yarn) 2 soaked with lubricant.
  • the material strand 2 is unwound from a braked unwinding device, which results in a certain winding resistance, and is guided in turns around the wire 1 to the deflecting roller 7 and from there to the driven rewinder 8 via a tension measuring device 4 and a deflection roller 6.
  • FIG. 2 differs from that of FIG. 1 by an additional auxiliary roller 9 between the deflection rollers 6 and 7.
  • the auxiliary roller 9 enables the wire to be wrapped in opposite directions with the strand of material 2.
  • FIGS. 3 to 6 has the structure described below, in which figures the same functional parts as in FIGS. 1 and 2 have the same reference numerals.
  • a housing 14 with a downwardly projecting carrier 13 and a pivotable sword 27 attached to it is arranged on the console 12.
  • the supply spool or unwinding spool 3 for a thread 2 impregnated with lubricant is rotatably arranged on the console 12.
  • the thread 2 runs around a thread deflecting shaft 15 via deflection rollers 39 and 16 three times around the guide roller 17 and the drive roller 18, the pressure roller 19 pressing against two thread loops of the drive roller 18.
  • the thread continues over the deflection rollers 22, 6, 7, 28, 26, 23 and 25 to the take-up or take-up spool 8 with the core 31 tapering conically to the left in the area between the deflection rollers 6 and 7 the thread 2 is the wire 1 guided in the same direction via the wire support rollers 11 and 10 and runs approximately in the middle between the guide rollers 6 and 7 via the guide dome 29, the function of which is described below.
  • the sword 27 can be pivoted in the horizontal and vertical directions, for example 180 ° horizontally and 15 ° vertically.
  • the vertical swivels can be determined with a fixing screw 30 in an elongated hole.
  • the housing 14 contains a synchronous motor which drives the exchangeable drive roller 18, which doses the thread feed, via a shaft 47.
  • a pulley 33 is fastened on the shaft 47, via which the belt 48 runs via the deflection roller 36 to the pulley 34 on the shaft 46 of the take-up spool 8.
  • the take-up spool is given the same thread take-off speed as the thread metering speed of the drive roller 18 by the synchronous motor 32.
  • the belt tension can be regulated.
  • the dancer device 24 which is biased into its normal position with the aid of the spring 35, is used to compensate for undesirably high thread tensions. With the help of the adjusting screw 20, the spring tension can be regulated.
  • the deflecting mandrel 29 is fastened in the region of the sword 27 on the mandrel lever 40, which can be pivoted about the axis of rotation 41.
  • the mandrel lever 40 is biased upwards by means of the spring 42. This preload can be adjusted with the help of the regulating screw 45.
  • the deflection dome 29 can be moved in the elongated hole 46 from the lower end position shown in FIG. 6 to an upper end position.
  • the mandrel lever 40 bears against the actuating lever 43 of a microswitch 44 and thereby closes an electrical circuit.
  • This lower end position assumes the deflection mandrel 29 when it is pulled from the thread 2 in the direction of arrow 50 in the normal operating position, when the thread, as shown in FIG.
  • the wire still has a surface temperature of 60 ° C in front of the fume cupboard, which is 4 m from the furnace exit.
  • the wire is drawn off at 100 m / min.
  • a thread pulling device as described in the drawing a thread soaked in lubricant is drawn off at a take-off speed of 0.1 m / min with four-fold looping against the take-off direction of the winding drape.
  • the thread tension is set to 10 g.
  • the thread is a cotton thread with 40 g / km (40 tex) starch and a lubricant content of 35 to 45 g / km.
  • the lubricant consists of 98% paraffin, 50 to 54 ° C and 2% Netzmiottel (FC 170). The thread was soaked, dipped and stripped using a rubber nozzle, cooled and wound up.
  • the thread pulling device is installed 0.5 m in front of the wire take-off device.
  • the wire then has a lubricity which corresponds to the wire treated with paraffin solution
  • An electric winding wire with a diameter of 0.58 mm and 40 ⁇ m esterimide varnish emerges from the varnishing device after the varnish application and drying device with a surface temperature of 200 ° C.
  • the wire still has a surface temperature of 60 ° C in front of the fume cupboard, which is 4 m from the furnace exit.
  • the wire is drawn off at 50 m / min.
  • a lubricant-impregnated thread is drawn along with a pull-off speed of 0.063 m / min with four-fold looping in the pull-off direction of the winding wire.
  • the thread tension is set to 50 g.
  • the thread is a cotton thread with 45 g / km (45 tex) starch and a lubricant content of 75 g / km. Beeswax is used as a lubricant.
  • the thread was soaked, cooled and wound up by immersion and stripping using a rubber nozzle.
  • the thread pulling device is installed 2 m behind the exit of the drying oven.
  • the wire then has a lubricity that corresponds to the wire treated with paraffin solution.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Ropes Or Cables (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Metal Extraction Processes (AREA)

Claims (31)

  1. Procédé de lubrification d'un fil par enduction du fil par un lubrifiant solide ou liquide, caractérisé en ce que l'on achemine le fil à travers au moins une boucle appliquée sur le fil d'au moins un cordon de matière absorbante imbibée de lubrifiant et on fait alors avancer le cordon de matière à une vitesse sensiblement constante, qui est inférieure à la vitesse d'avancement du fil.
  2. Procédé selon la revendication 1, caractérisé en ce qu'on utilise comme cordon de matière absorbante un fil ou un fil retors, de préférence de coton.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'on utilise comme lubrifiant une paraffine, une cire, de l'huile et/ou de la graisse.
  4. Procédé selon une ou plusieurs des revendications 1 à 3, caractérisé en ce qu'on tire le fil à une température élevée à travers le cordon de matière et on utilise un lubrifiant solide qui fond à la température du fil.
  5. Procédé selon une ou plusieurs des revendications 1 à 4, caractérisé en ce qu'on règle le rapport d'avancement ou de pré-étirage du cordon de matière au fil à 1:100 à 1:10.000.
  6. Procédé selon une ou plusieurs des revendications 1 à 5, caractérisé en ce qu'on utilise un lubrifiant solide ayant un point de fusion dans la plage de 35 à 140°C.
  7. Procédé selon une ou plusieurs des revendications 1 à 6, caractérisé en ce qu'on utilise un lubrifiant auquel on mélange un agent tensio-actif, de préférence un agent mouillant fluoré.
  8. Procédé selon une ou plusieurs des revendications 1 à 7, caractérisé en ce qu'on commande la quantité appliquée de lubrifiant par la vitesse d'avancement ou de pré-étirage du cordon de matière et/ou du fil et par la teneur en lubrifiant du cordon de matière.
  9. Procédé selon une ou plusieurs des revendications 1 à 8, caractérisé en ce qu'on applique le lubrifiant sur le fil en quantité de 2 à 1000, de préférence 20 à 100 mg/m² de surface du fil.
  10. Procédé selon une ou plusieurs des revendications 1 à 9, caractérisé en ce qu'on utilise un cordon de matière pré-imprégnée séparément du lubrifiant.
  11. Procédé selon une ou plusieurs des revendications 1 à 9, caractérisé en ce qu'on imprègne le cordon de matière du lubrifiant en substance directement avant son contact avec le fil.
  12. Procédé selon la revendication 11, caractérisé en ce qu'on imprègne le cordon de matière du lubrifiant par passage à travers un bain du lubrifiant liquide ou fondu.
  13. Procédé selon la revendication 12, caractérisé en ce qu'on utilise un cordon de matière tournant sans fin et on l'achemine en circuit fermé à travers un dispositif d'imprégnation de lubrifiant et sur le fil.
  14. Procédé selon une ou plusieurs des revendications 1 à 33, caractérisé en ce que l'on fait une boucle de cordon de matière autour du fil à une ou plusieurs reprises, dans le même sens ou en sens contraire.
  15. Procédé selon une ou plusieurs des revendications 1 à 14, caractérisé en ce qu'on règle la température du fil sur la boucle appliquée à une valeur comprise entre la température de fusion du lubrifiant'et 200°C.
  16. Dispositif de lubrification d'un fil (1) par enduction du fil (1) par un lubrifiant solide ou liquide, a l'aide d'un dispositif d'avancement ou de préétirage (10, 11) pour le fil (1), caractérisé par un dispositif d'avancement ou de pré-étirage (3, 6, 7, 8) pour au moins un cordon de matière absorbante (2) imprégnée de lubrifiant et enroulée en boucle(s) autour du fil (1).
  17. Dispositif selon la revendication 16, caractérisé en ce que le dispositif d'avancement ou de pré-étirage pour le cordon de matière (2) comporte un dispositif dosant de manière réglée l'acheminement du cordon de matière et un dispositif recevant de manière réglée le cordon de matière et s'opposant a tout recul.
  18. Dispositif selon la revendication 17, caractérisé en ce que le dispositif recevant de manière réglée le cordon de matière (2) est une bobine d'enroulement (8).
  19. Dispositif selon la revendication 17, caractérisé en ce que le dispositif recevant de manière réglée le cordon de matière (2) comporte un dispositif d'aspiration.
  20. Dispositif selon la revendication 17 ou 18, caractérisé en ce que le dispositif dosant de manière réglée l'acheminement du cordon de matière (2) et le dispositif recevant de manière réglée le cordon de matière sont des bobines (18, 8) entraînées par un moteur synchrone (32).
  21. Dispositif selon la revendication 20, caractérisé en ce que la synchronisation des deux bobines (8, 18) se fait à l'aide d'une courroie d'entraînement (48) reliant les arbres de rotation (46, 47) des deux bobines.
  22. Dispositif selon l'une quelconque des revendications 17 à 21, caractérisé par un dispositif danseur (24) , qui commande le rapport du nombre de tours du dispositif de dosage (3) au nombre de tours du dispositif de réception (8) du cordon de matière.
  23. Dispositif selon les revendications 21 et 22, caractérisé en ce que le dispositif danseur (24) raidit ou relâche la courroie d'entraînement (48).
  24. Dispositif selon l'une quelconque des revendications 16 à 23, caractérisé en ce qu'il comporte pour le cordon de matière un dispositif de déroulement (3) freiné ou réglé, deux rouleaux de renvoi (6, 7) et un dispositif d'enroulement entraîné (8), les rouleaux de renvoi étant agencés par rapport au fil (1) à lubrifier en sorte que le cordon de matière entre les deux rouleaux de renvoi entoure le fil sous la forme d'au moins une boucle (5).
  25. Dispositif selon la revendication 24, caractérisé par un rouleau auxiliaire (9) qui est agencé en sorte qu'il fasse changer de direction au cordon de matière (2), qui fait une boucle autour du fil (1) à deux reprises, au moins simplement à contre-sens.
  26. Dispositif selon une ou plusieurs des revendication 16 à 25, caractérisé en ce que le dispositif d'avancement ou de pré-étirage pour le fil (1) communique à celui-ci un mouvement linéaire dans la zone comprise entre les rouleaux de renvoi (6, 7).
  27. Dispositif selon l'une des revendications 16 à 26, caractérisé par un dispositif de renvoi (29) pour le cordon de matière (2), qui peut être déplacé dans deux positions terminales, c'est-à-dire tiré dans la première position terminale par le cordon de matière et amené, sous l'action d'une pré-tension, dans la deuxième position, ainsi qu'un dispositif générateur de signal (44) qui déclenche un signal aussitôt que le cordon de matière se trouve dans la deuxième position terminale.
  28. Dispositif selon la revendication 27, caractérisé en ce que le dispositif de renvoi (29) est agencé sur un bras de levier (40) qui peut pivoter autour d'un arbre (41) et est pré-tendu par un ressort (42).
  29. Dispositif selon l'une quelconque des revendications 27 et 28, caractérisé en ce que le dispositif de renvoi (29), dans la première position terminale, ferme un contact électrique dont l'ouverture déclenche un signal.
  30. Dispositif selon l'une quelconque des revendications 24 à 29, caractérisé en ce que les rouleaux de renvoi (6, 7) sont fixés sur une traverse (27) articulée au dispositif, qui peut pivoter et/ou coulisser dans la direction horizontale et/ou verticale.
  31. Dispositif selon l'une quelconque des revendications 24 à 30, caractérisé en ce que le dispositif d'enroulement (8) entraîné est une bobine d'enroulement avec une âme (31) qui se réduit vers une extrémité.
EP92100241A 1991-02-18 1992-01-09 Procédé et dispositif de lubrification d'un fil Expired - Lifetime EP0499775B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4104897 1991-02-18
DE4104897 1991-02-18
DE4134070A DE4134070A1 (de) 1991-02-18 1991-10-15 Verfahren und vorrichtung zum gleitfaehigmachen eines drahtes
DE4134070 1991-10-15

Publications (2)

Publication Number Publication Date
EP0499775A1 EP0499775A1 (fr) 1992-08-26
EP0499775B1 true EP0499775B1 (fr) 1994-12-07

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EP92100241A Expired - Lifetime EP0499775B1 (fr) 1991-02-18 1992-01-09 Procédé et dispositif de lubrification d'un fil

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US (2) US5409535A (fr)
EP (1) EP0499775B1 (fr)
JP (1) JP3156204B2 (fr)
AT (1) ATE115017T1 (fr)
CA (1) CA2059591C (fr)
DE (2) DE4134070A1 (fr)
ES (1) ES2065072T3 (fr)

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TWI616266B (zh) * 2013-03-13 2018-03-01 艾爾科技電線公司 用以拋光和潤滑鋁焊絲的系統和方法
CN104802067B (zh) * 2015-04-29 2017-03-08 河北科技大学 微细血管连接器内孔面抛光装置
KR101838098B1 (ko) * 2016-11-07 2018-04-27 한국기계연구원 고온 가열 디스펜싱 시스템
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Also Published As

Publication number Publication date
CA2059591A1 (fr) 1992-08-19
CA2059591C (fr) 1997-02-25
US5409535A (en) 1995-04-25
EP0499775A1 (fr) 1992-08-26
JP3156204B2 (ja) 2001-04-16
JPH05171581A (ja) 1993-07-09
DE59200871D1 (de) 1995-01-19
US5382455A (en) 1995-01-17
ES2065072T3 (es) 1995-02-01
DE4134070A1 (de) 1992-08-20
ATE115017T1 (de) 1994-12-15

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