PatentDe  


Dokumentenidentifikation EP0995503 19.08.2004
EP-Veröffentlichungsnummer 0000995503
Titel Nachwalzgerüst für ein Stahlwalzwerk
Anmelder Fabris, Mario, Grimsby, Ontario, CA
Erfinder Fabris, Mario, Grimsby, Ontario L3M 4E8, CA
Vertreter derzeit kein Vertreter bestellt
DE-Aktenzeichen 69918632
Vertragsstaaten AT, DE, FR, GB, IT
Sprache des Dokument EN
EP-Anmeldetag 26.08.1999
EP-Aktenzeichen 991169053
EP-Offenlegungsdatum 26.04.2000
EP date of grant 14.07.2004
Veröffentlichungstag im Patentblatt 19.08.2004
IPC-Hauptklasse B21B 13/10
IPC-Nebenklasse B21B 39/16   

Beschreibung[en]
BACKGROUND OF THE INVENTION

Modem steel mills are required to produce a finished product which must meet critical size requirements within a very small tolerance. Most rod mills are capable of producing a finished product within a given tolerance range until the steel work product wears the contours of the forming rolls so that the finished product has a shape which is not acceptable to a customer. To correct minor irregularities in shape, the steel mill industry has, at times, employed a process known as peeling, wherein a finished rod is pulled through a die to remove portions of the surface of the rod to restore the shape of the finished product to one that is now acceptable to a customer and the surface is now true and free of imperfections. The peeling process is capable of correcting for only small deviations in the gauge of the finished product (see for example GB-A-686 867).

SUMMARY OF THE INVENTION

The apparatus and the method of the invention are defined by the features of claims 1 and 9 respectively.

The invention provides a rolling assembly in which at least three and preferably four equally spaced rollers are mounted in a housing about an axis through which a steel rod or wire passes. The rollers are mounted in a robust assembly which can exert substantial pressure on the rollers to change the shape of the work to compensate for minor shape deviations in the shape of the work product caused by wear of the rollers in the reducing mill. The assembly is provided with a roller positioning device which moves the rollers in the roller assembly in concert toward and away from the axis of the workpiece passing between the rollers.

At the same time, the roller assembly in which the rollers are mounted is pivotable through a predetermined angle (say 45°) to change the orientation of the entire roller assembly with respect to the workpiece passing therethrough. In this instance, premature wear of the roller surfaces of the rollers of the sizing guide is minimized because the rollers of the sizing guide are constantly changing position with respect to the surface of the work product.

The cross sectional shape of a work product exiting from a finishing stand of a multi stand steel mill is dependent upon the accuracy of the profile existing in the rollers of the mill stand. When the rollers of the mill have worn to the extent that the work product has a gauge or shape which lies outside the acceptable tolerance range and no further corrective actions involving roller adjustment are capable of restoring the work product to an acceptable gauge, the rollers in the mill must be replaced because the surface contours of the reducing rollers have undergone wear and abrasion by the constant passage of the work product between the reducing rolls.

Some wear patterns in the rollers are predictable, depending on the rolling process to which the mill stand rollers are subjected and most operators of modem steel mills instinctively know that shape distortion of the finished product will inevitably result. At times, the distortion in work product shape may be corrected by further processing the work product to remove such distortion after passage through the final mill stand (if the distortion is not too great). The worn rolls in the mill may then continue to be used to produce a useful work product beyond the usual wear period due to the correction applied to the work product. In the past this correction has usually been accomplished by "peeling" some metal from the surface of the malshaped workpiece using a die such that small shape deformations may be removed by this process.

The sizing roll stand of this invention is capable of restoring the exterior shape of a malformed work product exiting from a steel mill to an acceptable size and shape. The apparatus of this invention is capable of providing corrections for the same shape distortions as the "peeling" process to which reference has been made, but at a very high speed. The rollers of the sizing roll stand may or may not be externally driven.

PERTINENT PRIOR ART BRIEF DESCRIPTION OF THE DRAWINGS

  • Figure 1 is an exploded perspective view of the device of Figure 1.
  • Figure 2 is a sectional elevation of the sizing roller device of this invention.
  • Figure 3 is a perspective view of an exploded roller assembly of this invention.

DESCRIPTION OF THE PREFERRED EMBODIMENT

Referring now to Figures 1 and 2, a sizing device 10 is shown having a supporting base 12 having a rigid semicircular flange 14 secured thereto by means of gussets 16, 18, 20. A pair of faceplates 22 are welded to the flange 14 at the intersection of gussets 16 and 20. Each faceplate has a pair of holes 24 for mounting the pair of stationary split half rings 26, 28 therein.

Split rings 26 and 28 have a pair of faceplates 30, 32 and 35, 37 formed therein to permit mounting the pair of split half rings 26, 28 on supporting base 12 and faceplates 35, 37 have holes 42, 44 and 46, 48 formed therein. The split rings 26, 28 are made to be joined together at the faceplates 30 and 35 and 32 and 37 and the complete assembly is bolted onto faceplates 22 of base 12 with four bolts (such as 50) passing through holes such as 42, 34 and 24 to hold split rings 26 and 28 together and firmly in place on base 12.

The assembled split rings provide a captive cylindrical recess 52 formed between the annular flanges 54 and 56 for receiving the somewhat circular housing 60 therein. (Note that flange 56 has substantially more depth than flange 54.) Housing 60 has a somewhat cylindrical boss 62 which is made to cooperate with split rings 26 and 28 which form a housing in recess 52 in which the cylindrical boss 62 may rotate.

The housing 60 is provided with a central bore 64 to which guide 66 is frictionally mounted.

Housing 60 is shown with 2 extending arms 68 and 70 protruding therefrom (two more identical arms are located opposite arms 68 and 70 on the housing 60). The exterior portion of each of the arms 68 and 70 is formed into a clevis type device which is provided with a bore 72 therein.

Housing 60 is provided with a cruciform shaped inner structure 76 at the center of which is bore 64. The cruciform structure comprises 4 substantially identical recesses 78 formed by parallel walls 80, 82 arranged in orthogonal relationship about bore 64. Each pair of walls 80, 82 houses a bore 84 for receipt of pins such as 86.

Each recess 78 is of a size and shape to receive a roller assembly 90 (of which there are four) in a restrained pivoting relationship. Each assembly 90 comprises a pivot arm 92 having a bore 94 in one end thereof. At the opposing end of pivot arm 90 is a sizing roller 98 mounted for rotation (in this instance driven) about an axis determined by bore 100. Suitable bearings are provided in assembly 90 to withstand the heavy pressures applied to roller assembly 90 during a sizing operation.

A drive motor 102 is applied to rollers 98 (in this instance) to assure that rollers 98 are rotating when the work product makes its entry to the bight formed by the wheels 98. Each roller assembly 90 fits into its respective recess 78 with a precise fit to avoid slopiness, and to prevent unnecessary lateral motion of each assembly 90 along the axes of pins 86. Each roller assembly 90 is provided with a bearing pad 104 which is applied to the flat surface 106 of assembly 90. An abutment 108 provides a guide for mounting pads 104 on the wheel assemblies 90 (see FIGURE 3).

The housing 60 is provided with an internal thread 120 for receiving collar 122 which has a cylindrical outer portion 124 of which 126 is threaded to mate with thread 120. An opposing conical surface 128 is provided in the interior of collar 122. Conical surface 128 is shaped to mate with pads 104 of the roller assemblies 90.

A second internal surface 130 of collar 122 is provided with a set of gear teeth 132. Gear teeth 132 are provided for engagement of toothed pinion 134 of gear motor 136. Gear motor 136 is mounted on housing 60 so that the gears 134 and 132 are in constant engagement.

A hydraulic cylinder 220 is mounted in mounting plates 222, 224 on base 12. Cylindrical bosses 226, 228 of cylinder 220 are mated in bore 130 of plates 226, 228. Piston rod 232 of cylinder 220 terminates in fitting 234 which has a projection 236 bearing a bore hole 238 therein.

The projection 236 is provided to fit into one of the clevis members 68 of arms 70 of housing 60 and receive a pin 240 through apertures 72 and 238 to secure piston rod 232 to one of the arms 70 of housing 60. As piston rod 232 is moved in and out of cylinder 220, the housing 60 rotates within recess 52 of housing 56 formed by the split rings 26 and 28.

The sizing guide 10 functions as follows: A work product (rod, wire, etc.) is fed into funnel shaped guide 66 and passes into the bight between the four rollers 98 mounted in roller assemblies 90. The rollers 98 have a predetermined external contour 150 to produce the desired shape of the work product passing therebetween. Collar 122 is rotated by drive motor 138 to move the collar 122 axially in housing 60 along the threaded surface 120 to bear on bearing pads 104 of roller assemblies 90 to wedge the rollers 98 inwardly into a contacting relationship with the work product.

If for some reason the shape of the work product has deviated from the preset gauge required, the sizing device 10 may be used to bring the work product back to a size that is within an acceptable tolerance by applying substantial pressures to the wheel assemblies 90. The conical surface 108 of collar 122 serves to wedge the wheel assemblies in an inward direction.

Usually the rolls of a mill stand wear in a predictable manner over a period of time, depending on the deformation being produced by the mill rolls in the work product passing therebetween. The work product usually exits from the last mill stand having a peculiar and consistent shape which has a particular orientation with respect to the mill stand. Because of this, any deviation from the desired cross sectional shape of the workpiece tends to be continuously passed from the mill stand with a consistent physical orientation, into the sizing device of this invention.

Depending on the deviation of the workpiece from the desired gauge, the sizing device of this invention will provide correction to the shape of the workpiece exiting from this device, and prolong the life of rollers 98 of the sizing guide 10. Because the finished product of a steel mill exits with any shape deformation of the work product always in the same orientation with respect to the direction of travel of the work product, this device is made to rotate the entire roller assembly (encased in housing 60) through an angle of about 45° during operation. This assures that the rollers 98 of the roller assemblies 90 continuously contact different surface configurations of the moving work product so that the rollers 98 wear evenly. The working life of rollers 98 is significantly increased as a result.

While changes and deviations from the disclosed device will no doubt occur to those skilled in the art, the applicant prefers to limit the scope of this invention by the ambit of the following claims.


Anspruch[de]
  1. Maßwalzwerkführung (10) mit Walzen (98), die in einem Gehäuse (60) angebracht sind, um eine Walzenanordnung zu bilden, zum Berühren und Führen eines Werkstückes (W), das die Führung entlang einer Mittelachse des Gehäuses (60) passiert, wobei die Führung (10) derart gestaltet ist, dass das Gehäuse (60) und die Walzenanordnung drehbar von einem Stützmittel (12, 14, 16, 18, 20, 26, 28) gehalten sind, so dass das Gehäuse und die Walzenanordnung um die Mittelachse drehbar sind,dadurch gekennzeichnet, dass die Walzen (98) der Walzenanordnung derart in dem Gehäuse (60) angebracht sind, dass die Walzen in Richtung auf die Mittelachse und von dieser weg bewegbar sind, und dass ein Walzenpositionierungsmittel (122, 104) vorhanden ist, um eine abgestimmte Bewegung der Walzen (98) zwangsläufig hervorzurufen, um das Werkstück (W) zu berühren, um die Form des Werkstückes zu verändern, während dieses die Führung passiert.
  2. Maßwalzwerkführung (10) nach Anspruch 1, dadurch gekennzeichnet, dass das Walzenpositionierungsmittel eine herkömmliche Keileinrichtung (122) umfasst, um eine gleichzeitige und gleich große Bewegung der Walzen (98) in dem Gehäuse (60) in Richtung des Werkstückes (W) zu erzeugen.
  3. Maßwalzwerkführung (10) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass ein Gehäuseantriebsmittel (220, 232) mit dem Gehäuse (60) verbunden ist, um eine Drehung des Gehäuses (60) hervorzurufen, während das Werkstück (W) dieses passiert.
  4. Maßwalzwerkführung (10) nach Anspruch 1, dadurch gekennzeichnet, dass das Stützmittel (12, 14, 16, 18, 20, 26, 28) ein Rahmentragwerk (26, 28) umfasst, das von einer Basisstruktur (12, 14, 16, 18, 20) getragen ist, und dass das Gehäuse (60) eine zylinderartige äußere Oberfläche (62) aufweist, die das Rahmentragwerk (26, 28) berührt und eine Drehung des Gehäuses (60) in einer Ebene ermöglicht, die senkrecht zu der genannten Achse ist, und dass das Gehäuse (60) Mittel (78, 84) aufweist, um mindestens drei Walzenbaugruppen (90) in dem Gehäuse anzubringen; wobei jede Walzenanordnung (90) einen Gelenkarm (92) umfasst, an dessen einem Ende eine Walze (98) drehbar angeordnet ist, und Gelenkmittel (86, 94), an dem anderen Ende desselben, entfernt von der Walze (98), wobei die Gelenkmittel (86, 94) in dem Gehäuse angebracht sind, um die Walzen (98) schwenkbar in gleich großen Abständen um die genannte Achse anzubringen, und dass das Walzenpositionierungsmittel (122, 104) einstellbare Gelenkarmkontaktmittel (122) umfasst, durch die die Gelenkarme (92) einen Druck auf die Walzenbaugruppen (90) ausüben, um die Walzen (98) dazu zu veranlassen, in Kontakt mit dem Werkstück (W) zu treten und Oberflächenänderungen an dem Werkstück hervorzurufen.
  5. Maßwalzwerkführung (10) nach Anspruch 4, dadurch gekennzeichnet, dass das einstellbare Gelenkarmkontaktmittel (122) einen Druckring (122) mit einer mit Außengewinde (126) versehenen Oberfläche umfasst, um mit einer Gewindeoberfläche (120) in dem Gehäuse (60) einen Gewindeanschluß zu bilden, wobei der Druckring (122) mit einer konischen inneren Oberfläche (128) versehen ist, um mit Druckklötzen (104) auf den Walzenbaugruppen (90) zusammenzuwirken, um einen einstellbaren Druck auf die Druckklötze (104) der Walzenbaugruppen (90) auszuüben, während sich der Druckring (122) sich in dem Gehäuse (60) dreht.
  6. Maßwalzwerkführung (10) nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass Gehäusedrehmittel (220, 232) mit dem Gehäuse (60) verbunden sind, um eine fortgesetzte Drehschwingung des Gehäuse (60) innerhalb vorbestimmter Grenzen hervorzurufen.
  7. Maßwalzwerkführung (10) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Walzen (98) durch Antriebsmittel (102) drehbar sind.
  8. Maßwalzwerkführung (10) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass diese eine trichterförmige Führung (66) umfasst, um das Werkstück (W) entlang der Mittelachse der Walzenanordnung (98) zuzuführen.
  9. Verfahren zum Erzeugen geringfügiger Änderungen an einer Stahlstange oder einem Stahldraht (W), während diese (r) eine Maßführung (10) passiert, umfassend:
    • Anbringen von Walzen (98) in einem Gehäuse (60), um eine Walzenanordnung zu bilden, um die Stange oder den Draht (W) zu berühren und zu führen, während er die Führung (10) passiert,
    • Fassen des Gehäuses (60) innerhalb eines Stützmittels (12) auf solche Weise, dass das Gehäuse (60) für eine Drehbewegung um die Stange oder den Draht (W) gehalten ist, während diese (r) die Führung (20) passiert,
    gekennzeichnet durch das
    • Betätigen von Walzenpositionierungsmitteln (122, 104), um die Walzen (98) in abgestimmter Weise in Richtung der Stange oder des Drahtes (W) zu bewegen, während er die Führung (10) passiert, und
    • Betätigen von Antriebsmitteln (220, 232), die dem Gehäuse (60) zugeordnet sind, um eine oszillierende Drehbewegung des Gehäuses (60) und der Walzen (98) um die Stange oder den Draht (W) hervorzurufen, während die Stange oder der Draht die Führung (10) passiert.
  10. Verfahren nach Anspruch 9, umfassend: Anbringen jeder Walze (98) innerhalb des Gehäuses (60) auf einem Gelenkarm (92), und Bereitstellen eines Positionierungsmittels, das einen Druckring (122) umfasst, der in dem Gehäuse (60) angebracht ist und mit einer inneren konischen Oberfläche (128) versehen ist, um im Betrieb mit jedem Gelenkarm (98) gleichzeitig zusammenwirken.
  11. Verfahren nach Anspruch 10, umfassend: Betätigen des Druckringes (122) derart, dass dieser eine Translationsbewegung ausführt, um den Druck auf die Gelenkarme (92) und die Walzen (98) zu ändern.
Anspruch[en]
  1. A roller sizing guide (10) having rollers (98) mounted in a housing (60) to form a roller set for contacting and guiding a workpiece (W) passing through the guide along a central axis of the housing (60), in which guide (10): the housing (60) and roller set are rotatably supported on a support means (12, 14, 16, 18, 20, 26, 28) so that the housing and roller set are rotatable about the said central axis; characterised in that the rollers (98) of the roller set are mounted in the housing (60) so that the rollers are movable towards and away from the said central axis; and roller positioning means (122, 104) is provided to force the rollers (98) of the roller set to move in concert to contact the workpiece (W) to alter the shape of the workpiece as it passes through the guide.
  2. A roller sizing guide (10) as claimed in Claim 1 wherein the roller positioning means includes a common wedging means (122) for producing simultaneous and equal movement of the rollers (98) in the housing (60) toward the workpiece (W).
  3. A roller sizing guide (10) as claimed in Claim 1 or 2 wherein a housing drive means (220, 232) is connected to the housing (60) to produce rotation of the housing (60) during passage of the workpiece (W) therethrough.
  4. A roller sizing guide (10) as claimed in Claim 1 wherein: the support means (12, 14, 16, 18, 20, 26, 28) includes a framework (26, 28) supported by a base structure (12, 14 ,16, 18, 20); and the housing (60) has a cylindraceous outer surface (62) which contacts the framework (26, 28) and permits the housing (60) to rotate in a plane orthogonal to the said axis; the housing (60) has means (78, 84) to mount at least three roller assemblies (90) in the housing; each roller assembly (90) includes a pivot arm (92) having a roller (98) mounted for rotation at one end thereof and pivot means (86, 94) at the other end thereof remote from the roller (98), the pivot means (86, 94) being mounted in the housing (60) so as to pivotally mount the rollers (98) at equally spaced intervals about the said axis; and the roller positioning means (122, 104) includes adjustable pivot arm contacting means (122) causing the pivot arms (92) to exert pressure on the roller assemblies (90) to cause the rollers (98) to contact the workpiece (W) and produce surface changes to the workpiece.
  5. A roller sizing guide (10) as claimed in claim 4 wherein the adjustable pivot arm contacting means (122) includes a pressure ring (122) having an exterior threaded surface (126) for threadably engaging a threaded surface (120) in the housing (60), the pressure ring (122) being provided with a conical inner surface (128) to engage pressure pads (104) on the roller assemblies (90) for adjustably applying pressure to the pressure pads (104) of the roller assemblies (90) as the pressure ring (122) rotates in the housing (60).
  6. A roller sizing guide (10) as claimed in claim 4 or 5 wherein housing rotation means (220, 232) is connected to the housing (60) to cause continued rotational oscillation of the housing (60) within predetermined limits.
  7. A roller sizing guide (10) as claimed in any preceding claim wherein the rollers (98) are rotated by drive means (102).
  8. A roller sizing guide (10) as claimed in any preceding claim which includes a funnel-shaped guide (66) for feeding the workpiece (W) along the said central axis to the set of rollers (98).
  9. A method of producing minor changes to a steel rod or wire (W) as it passes through a sizing guide (10) comprising: mounting rollers (98) in a housing (60) to form a roller set for contacting and guiding said rod or wire (W) as it passes through the guide (10); capturing the housing (60) within a support means (12) in such a manner as to support the housing (60) for rotational movement about the rod or wire (W) as it passes through the guide (20); characterised by: operating roller positioning means (122, 104) to urge the rollers (98) in concert toward the rod or wire (W) as it passes through the guide (10); and operating driving means (220, 232) associated with the housing (60) to cause oscillatory rotational motion of the housing (60) and rollers (98) about the rod or wire (W) as the rod or wire passes through the guide (10).
  10. A method as claimed in Claim 9 comprising mounting each roller (98) within the housing (60) on a pivot arm (92) and providing positioning means which comprises a pressure ring (122) mounted in the housing (60), and provided with an internal conical surface (128) for operably engaging each pivot arm (98) simultaneously.
  11. A method as claimed in Claim 10 comprising operating the pressure ring (122) so that it executes translational motion to change the pressure on said pivot arms (92) and said rollers (98).
Anspruch[fr]
  1. Guide d'écrouissage (10) comportant des rouleaux (98) montés dans un carter (60) pour former un ensemble de rouleaux pour mettre en contact et guider une pièce de fabrication (W) traversant le guide le long d'un axe central du carter (60), dans lequel guide (10) : le carter (60) et l'ensemble de rouleaux sont supportés de manière rotative sur un moyen de support (12, 14, 16, 18, 20, 26, 28) de telle sorte que le carter et l'ensemble de rouleaux sont pivotables autour dudit axe central ; caractérisé en ce que les rouleaux (98) de l'ensemble de rouleaux sont montés dans le carter (60) de telle sorte que les rouleaux peuvent s'approcher et s'éloigner dudit axe central ; et un moyen de positionnement des rouleaux (122, 104) est fourni pour forcer les rouleaux (98) de l'ensemble de rouleaux à se déplacer de concert pour mettre en contact la pièce de fabrication (W) afin de modifier la forme de la pièce de fabrication tandis qu'elle traverse le guide.
  2. Guide d'écrouissage (10) selon la revendication 1 dans lequel le moyen de positionnement des rouleaux comprend un moyen de calage habituel (122) pour produire un déplacement simultané et égal des rouleaux (98) dans le carter (60) vers la pièce de fabrication (W).
  3. Guide d'écrouissage (10) selon la revendication 1 ou 2 dans lequel un moyen d'entraînement du carter (220, 232) est connecté au carter (60) pour produire une rotation du carter (60) pendant le passage de la pièce de fabrication (W) à travers lui.
  4. Guide d'écrouissage (10) selon la revendication 1 dans lequel : le moyen de support (12, 14, 16, 18, 20, 26, 28) comprend une armature (26, 28) supportée par une structure de base (12, 14, 16, 18, 20) ; et le carter (60) comporte une surface externe cylindrique (62) qui est en contact avec l'armature (26, 28) et permet au carter (60) de pivoter dans un plan orthogonal par rapport audit axe ; le carter (60) possède un moyen (78, 84) pour monter au moins trois assemblages de rouleaux (90) dans le carter ; chaque assemblage de rouleaux (90) comprend un bras de pivot (92) possédant un rouleau (98) monté pour rotation à une extrémité de celui-ci et un moyen de pivot (86, 94) à l'autre extrémité de celui-ci éloignée du rouleau (98), le moyen de pivot (86, 94) étant monté dans le carter (60) de telle sorte de monter de manière pivotante les rouleaux (98) à des intervalles à espaces égaux par rapport audit axe ; et le moyen de positionnement des rouleaux (122, 104) comprend un moyen de mise en contact du bras de pivot ajustable (122) amenant les bras de pivot (92) à exercer une pression sur les assemblages de rouleaux (90) pour amener les rouleaux (98) à mettre en contact la pièce de fabrication (W) et produire des changements de surface sur la pièce de fabrication.
  5. Guide d'écrouissage (10) selon la revendication 4 dans lequel le moyen de mise en contact du bras de pivot ajustable (122) comprend un anneau de pression (122) comportant une surface extérieure à visser (126) pour engager par vissage une surface à visser (120) dans le carter (60), l'anneau de pression (122) étant doté d'une surface interne conique (128) pour engager les serre-flans (104) sur les assemblages de rouleaux (90) pour appliquer une pression de façon ajustable aux serre-flans (104) des assemblages de rouleaux (90) lorsque l'anneau de pression (122) tourne dans le carter (60).
  6. Guide d'écrouissage (10) selon la revendication 4 ou 5 dans lequel le moyen de rotation du carter (220, 232) est connecté au carter (60) pour provoquer l'oscillation par rotation continue du carter (60) à l'intérieur de limites prédéterminées.
  7. Guide d'écrouissage (10) selon l'une quelconque des revendications précédentes dans lequel les rouleaux (98) sont tournés par des moyens d'entraînement (102).
  8. Guide d'écrouissage (10) selon l'une quelconque des revendications précédentes qui comprend un guide en forme d'entonnoir (66) pour conduire la pièce de fabrication (W) le long dudit axe central jusqu'à l'ensemble de rouleaux (98).
  9. Procédé de production de changements mineurs sur un fil ou une tige d'acier (W) tandis qu'il traverse un guide d'écrouissage (10) comprenant : des rouleaux de montage (98) dans un carter (60) pour former un ensemble de rouleaux pour mettre en contact et guider ledit fil ou ladite tige (W) tandis qu'il traverse le guide (10) ; capturant le carter (60) à l'intérieur d'un moyen de support (12) de telle sorte de supporter le carter (60) pour un déplacement de rotation par rapport au fil ou à la tige (W) tandis qu'il traverse le guide (20) ; caractérisé par un moyen de positionnement du rouleau opérationnel (122, 104) pour pousser les rouleaux (98) de concert vers le fil ou la tige (W) tandis qu'il traverse le guide (10) ; et un moyen d'entraînement opérationnel (220, 232) associé au carter (60) pour provoquer un mouvement de rotation par oscillation du carter (60) et des rouleaux (98) par rapport au fil ou à la tige (W) tandis que le fil ou la tige traverse le guide (10).
  10. Procédé selon la revendication 9 comprenant le montage de chaque rouleau (98) à l'intérieur du carter (60) sur un bras de pivot (92) et la fourniture d'un moyen de positionnement qui comprend un anneau de pression (122) monté dans le carter (60), et doté d'une surface conique interne (128) pour engager de manière opérationnelle chaque bras de pivot (98) simultanément.
  11. Procédé selon la revendication 10 comprenant l'opération de l'anneau de pression (122) de telle sorte qu'il exécute un mouvement de translation pour changer la pression sur lesdits bras de pivot (92) et lesdits rouleaux (98).






IPC
A Täglicher Lebensbedarf
B Arbeitsverfahren; Transportieren
C Chemie; Hüttenwesen
D Textilien; Papier
E Bauwesen; Erdbohren; Bergbau
F Maschinenbau; Beleuchtung; Heizung; Waffen; Sprengen
G Physik
H Elektrotechnik

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