EP2756890B1 - Rouleau de mesure permettant de déterminer des écarts de planéité d'un produit en forme de bande et procédé de détermination d'écarts de planéité d'un produit en forme de bande - Google Patents

Rouleau de mesure permettant de déterminer des écarts de planéité d'un produit en forme de bande et procédé de détermination d'écarts de planéité d'un produit en forme de bande Download PDF

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Publication number
EP2756890B1
EP2756890B1 EP14000163.7A EP14000163A EP2756890B1 EP 2756890 B1 EP2756890 B1 EP 2756890B1 EP 14000163 A EP14000163 A EP 14000163A EP 2756890 B1 EP2756890 B1 EP 2756890B1
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EP
European Patent Office
Prior art keywords
measuring roller
sensor
temperature sensor
temperature
measuring
Prior art date
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Application number
EP14000163.7A
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German (de)
English (en)
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EP2756890A1 (fr
Inventor
Gert Muecke
Ulrich Mueller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BFI VDEH Institut fuer Angewandte Forschung GmbH
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BFI VDEH Institut fuer Angewandte Forschung GmbH
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Publication of EP2756890A1 publication Critical patent/EP2756890A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature

Definitions

  • the invention relates to a measuring roller and a method for determining flatness deviations of a strip-shaped material.
  • a measuring roller for detecting deviations in planarity in the treatment of strip-shaped material in which the measuring roller is designed as a hollow roller consisting of rings held together by means of clamping bolts.
  • Another design of a measuring roller for detecting flatness deviations when treating strip-shaped material is made DE 42 36 657 A1 known.
  • Out DE 102 07 501 C1 It is known to design the measuring roller for determining flatness deviations when treating strip-shaped material as a full roll and to arrange the sensors in axially accessible recesses. Other possibilities of installing sensors within the measuring roller are off DE 196 16 980 B4 and DE 198 38 457 B4 known.
  • Out DE 10 2006 003 792 A1 a holder for a pressure sensor is known, by means of which the sensor can be held in a recess of a measuring roller.
  • the DE 10 2005 042 159 B3 on which the preamble of claim 1 is based, describes a measuring roller for measuring the strip tension and the strip temperature of a strip material during rolling.
  • the measuring roller has a sensor for measuring the force acting on its outer surface.
  • the force sensor is according to FIGS. 1 and 2 arranged in a recess between two filling spaces in the measuring roller.
  • one or more sensors for Measurement of the temperature of the strip material integrated in the measuring roll Out FIG. 1 in connection with paragraph [028] it can be seen that the temperature sensors are arranged at an equal radial distance from the longitudinal axis of the measuring roller.
  • the measuring rollers known from the prior art already provide good measuring results in terms of the flatness deviations of a strip-shaped material in their practical use.
  • the known from the prior art measuring rollers are known in particular for their use in determining flatness deviations in the treatment of metal strips.
  • the metal band is moved over the co-rotating measuring roller guided so that it partially wraps around the outer surface (peripheral surface) of the measuring roller. This looping of the measuring roller causes the metal strip to introduce radial forces onto the outer surface of the measuring roller.
  • sensors introduced in the measuring roller a measuring signal dependent on the force applied to the outer surface of the measuring roller is generated.
  • the object of the invention was to propose a measuring roller and a method for determining flatness deviations of a band-shaped material with which the flatness deviations can be measured more precisely and / or more simply.
  • the invention is based on the basic idea, in addition to the measures provided for such a measuring rollers at least one sensor that can generate a dependent of a introduced on the outer surface of the measuring roller force measuring signal, a first temperature sensor at a first distance in the radial direction from the longitudinal axis of the Measuring roller is disposed away, and a second temperature sensor, which is arranged in a second, different from the first distance distance in the radial direction away from the longitudinal axis to use.
  • This additional arrangement of a first and a second temperature sensor at different radial distances from the longitudinal axis makes it possible to determine a change in temperature between the location at which the first temperature sensor is arranged and the location at which the second temperature sensor is arranged.
  • the way in which the force applied to the outer surface of the measuring roller is conducted through the measuring roller in such a way that it can be picked up by the sensor to produce a measuring signal dependent on this force can depend on the temperature conditions.
  • the temperature measured at the location of the first temperature sensor or the temperature measured at the location of the second temperature sensor and / or the difference between these two temperatures can be used to correct the measurement signal generated by the sensor as a function of the applied force, for example if the altitude of the measuring signal at first temperature conditions means that a force of a certain first height has been applied to the outer surface of the measuring roller, while the same level of the measuring signal at other temperature conditions may mean that a force of a different height has been applied to the outer surface of the measuring roller.
  • the arrangement of the first temperature sensor and the second temperature sensor in the inventive manner provides the opportunity to draw conclusions about the change in the bias of a built-in bias in a preferred embodiment sensor in the recess.
  • conclusions can be drawn from the difference between the temperature measured at the location of the first temperature sensor and the temperature measured at the location of the second temperature sensor on the change in the preload of a sensor installed under prestress.
  • the measuring roller according to the invention may be a hollow roller, which consists of rings which are held together by means of clamping bolts, as for example from the DE 29 44 723 A1 is known.
  • the measuring roller is designed as a so-called full roll.
  • This is understood to mean a measuring roller which essentially has a one-piece basic body. This usually consists of a cylindrical central part, which has at its ends pins for supporting the measuring roller.
  • To form the measuring roller of this body is then usually supplemented only by a few components, such as the at least one sensor that can generate a dependent of a force introduced on the outer surface of the measuring roller force measuring signal, plus the cabling required for this sensor or such sensors.
  • such trained as a full roll measuring rollers may have surface coatings.
  • such a full role is characterized by the massive, one-piece body.
  • the measuring roller consists essentially of steel.
  • measuring rolls made of such material may be used in particular in one of the preferred fields of use of the invention, namely in the treatment of hot or hot metal strips, which in preferred applications at the time of measurement temperatures of more than the prevailing room temperature, particularly preferably more than 50 ° C and more preferably more than 300 ° C.
  • the recess in which the at least one sensor is arranged for generating the force-dependent measurement signal can, in a preferred embodiment, be a recess introduced radially from the outer surface into the measuring roller, as can be seen for example in FIG DE 196 16 980 B4 or DE 198 38 457 B4 is known. In another preferred embodiment, however, the recess in which the sensor is arranged for generating the force applied to the applied measuring signal, but carried out axially, as it is known from DE 102 07 501 C1 is known.
  • the senor is installed under prestress in the recess, for example as part of an assembly of several parts arranged in the recess.
  • One possibility of installation under bias is from the Fig. 6, 7 as well as in further education from the Fig. 9 . 10 and 11 of the DE 102 07 501 C1 known, which can also be used in the present invention for the installation of the sensor in the recess.
  • measuring rollers which have only a single or a few sensors which can generate a measuring signal dependent on a force applied to the outer surface of the measuring roller.
  • a plurality of such sensors are arranged at different locations in the circumferential direction of the measuring roller. The number of sensors arranged in the circumferential direction increases the resolution with which flatness deviations are detected on the band-shaped material when it is brought into contact with the outer surface of the measuring roller and a movement of the band-shaped material in the tape direction is accompanied by a rotation of the measuring roller.
  • Fig. 5 of the DE 102 07 501 C1 shown wherein it is also conceivable to provide a plurality of sensors in the recesses shown there, as for example in Fig. 9 is shown.
  • the resolution increases in the tape direction of the tape-like Guts
  • the resolution of the measurement result in the band width direction of the strip-shaped Guts (ie in the direction perpendicular to the tape direction of the band-shaped Guts and not in the thickness direction of the band-shaped material).
  • one or more or all of the temperature sensors provided may be arranged such that they can measure the temperature of the outer surface (the peripheral surface) of the measuring roller or for example, can measure the temperature of the end face of the cylindrical part of a one-piece body.
  • one or more or all temperature sensors are arranged within the measuring roller.
  • the temperature sensors arranged within the measuring roller are arranged in recesses.
  • the temperature sensors are mounted in the recesses so that they can measure the surface temperature of a surface portion bounding the recess.
  • the temperature sensors can be arranged such that they can measure the temperature of the fluid present in the recess, usually air.
  • the temperature sensors can be arranged such that they can measure the temperature of the fluid present in the recess, usually air.
  • the temperature sensors measure the temperature to be measured by them by means of contact.
  • resistance thermometers PT 100 sensors
  • thermocouples can be used as temperature sensors.
  • the temperature sensors for example, optically measure, be it for example by an infrared measurement or for example by emitting laser beams and determining the temperature of the laser beam reflected from the surface to be measured.
  • a first temperature sensor and a second temperature sensor are arranged in the same recess of the measuring roller.
  • the first temperature sensor and the second temperature sensor are arranged in the same recess, in which there is also a sensor for generating the measurement signal dependent on the introduced force.
  • the first temperature sensor can be arranged such that it measures the temperature of the radially outwardly directed, inwardly facing boundary surface of the recess, and the second temperature sensor measures the temperature of the recess radially further inside, outwardly facing surface of the boundary of the recess measures.
  • the first temperature sensor and the second temperature sensor are arranged substantially in a same plane to which the longitudinal axis forms a normal. It has been found that for the improvement of the measurement signal generated by the sensor as a function of the introduced force, it is possible in particular for the change in the internal temperature of the measuring roller that is present in the radial direction to be significant. Therefore, in the preferred embodiment, it is appropriate to arrange the first temperature sensor and the second temperature sensor in a plane to which the longitudinal axis is the normal. In such a Arrangement, the temperature sensors primarily measure the temperature change in the radial direction.
  • the first temperature sensor and the second temperature sensor are arranged so that they are arranged substantially on a line pointing in the radial direction of the measuring roller from the longitudinal axis.
  • the first temperature sensor and the second temperature sensor are arranged so that they are arranged substantially on a line pointing in the radial direction of the measuring roller from the longitudinal axis.
  • the first temperature sensor and / or the second temperature sensor can also be provided as part of a holder for the sensor which generates the force-dependent measurement signal.
  • the first temperature sensor and / or the second temperature sensor can be installed in a holder for a pressure sensor, which can measure a pressure acting on top of him, with a first above the pressure sensor provided for installation position disposed inner wedge member with a to the mounting position of the pressure sensor and a first outer wedge element with an inner surface facing the installation position of the pressure sensor, with which the outer wedge element rests on the outer surface of the first inner wedge element, and with an outer surface opposite the inner surface and a second inner wedge element disposed below the installation position provided for the pressure sensor with an inner surface facing the installation position of the pressure sensor and an inner surface at an angle to the inner surface opposite outer surface and a second outer wedge member having an inner surface facing the installation position of the pressure sensor, with which the outer wedge member rests on the outer surface of the second inner wedge member, and having an inner surface opposite the outer surface.
  • a temperature sensor on the first inner wedge element, the first outer wedge element, the second inner wedge element or the second outer wedge element be provided and in particular be arranged so that it measures a surface temperature of a surface of the wedge element, which it is assigned.
  • a temperature element may be disposed on an outer wedge member so as to measure the temperature of the surface of the wall defining the recess into which the support is mounted and against which the outer wedge member is pressed.
  • the first temperature sensor is assigned to the first outer wedge element and the second temperature sensor is assigned to the second outer wedge element.
  • the first temperature sensor measures the temperature of an upper surface of the wall defining the recess into which the holder is mounted and against which the outer wedge element is pressed
  • the second temperature sensor measures the temperature of a lower surface of the wall containing the recess limited, in which the holder is installed and against which the outer wedge member is pressed.
  • the holder is formed with respect to a plane passing through the installation position of the pressure sensor, arranged perpendicular to the direction of action of the pressure force to be measured plane geometrically symmetrical. Even the coordination of the geometry of the above the pressure sensor and arranged below the pressure sensor components reduces the tilting moments occurring during toughening and can even completely avoid them.
  • the holder may be formed symmetrically with respect to a plane passing through the installation position of the pressure sensor, arranged perpendicular to the direction of action of the pressure force to be measured with respect to the materials used for the components forming the holder and / or with respect to the surface textures of these components.
  • Tipping moments can be generated not only by geometrical differences of the above and below the pressure sensor components provided, but also in that due to different choice of material or different surface conditions different frictional forces between mutually moving surfaces above and below the pressure sensor arise. This can be prevented by the symmetrical design of the relevant materials or surface textures.
  • a connection which connects the first inner wedge element and the second inner wedge element to prevent relative displacement in a direction which is not the effective direction of the compressive force to be measured.
  • the tilting moments to be avoided can also arise because of comparable components above the pressure sensor and below the pressure sensor do not move in sync with each other. This can be avoided if the components in question are connected to each other.
  • this connection is designed such that it allows a displacement of the two connected components in the effective direction of the pressure force to be measured.
  • brackets for pressure sensors which are to measure a force acting on top of it, is preferably by constructive measures to keep the force shunt as low as possible, so the part of the measured force to be measured, which is passed by the holder on the pressure sensor, small too hold.
  • the components are designed to be resilient relative to each other in the effective direction of the pressure force to be measured and the spring stiffness of the force bridge resulting from the connection is minimized.
  • connection which connects the first outer wedge element and the second outer wedge element for avoiding relative displacement in a direction which is not the effective direction of the compressive force to be measured.
  • the outer surface of the first inner wedge element and / or the outer surface of the second inner wedge element can be flat in the manner of a flat wedge
  • the outer surface of the first inner wedge element and / or the outer surface of the second inner wedge element is formed as a partial surface of a cone whose longitudinal axis passes through the mounting position of the pressure sensor.
  • the inner surface of the first outer wedge element and / or the inner surface of the second outer wedge element are preferably formed as a partial surface of the boundary of a conical recess whose longitudinal axis extends through the installation position of the pressure sensor.
  • first inner wedge element and the second inner wedge element are sub-elements of an integrally produced inner sleeve. This offers advantages both with regard to the manufacture of the components of the holder and with regard to the handling of the holder when installing the pressure sensor.
  • the inner sleeve between the first inner wedge member and the second inner wedge member has a longitudinal slot which is substantially perpendicular to the effective direction of the pressure force to be measured.
  • the spring stiffness of the inner sleeve is reduced, so that the force shunt remains low.
  • the inner sleeve may be formed with a small wall thickness.
  • a small wall thickness with a conventional inner diameter of e.g. 20 mm to 50 mm, a wall thickness of e.g. 0.3 mm to 5 mm.
  • the selected wall thickness of the sleeves can also be selected depending on the sleeve length, the displacement and the slope. It can also be 1/10 mm at the thinnest point.
  • the longitudinal slot may be formed such that it has almost the entire longitudinal extent of the inner sleeve and remains only at one or both ends as a connection between the first inner wedge member and the second inner wedge member a narrow web.
  • the inner sleeve has two longitudinal slots.
  • the or the longitudinal slots are provided in a plane extending through the installation position of the pressure sensor, arranged perpendicular to the direction of action of the pressure force to be measured.
  • first outer wedge element and the second outer wedge element can be partial elements or partial pieces of an outer sleeve produced in one piece.
  • this outer sleeve can also have at least one longitudinal slot between the first outer wedge element and the second outer wedge element, which runs essentially perpendicular to the effective direction of the pressure force to be measured.
  • the inner surface of the first inner wedge member and / or the inner surface of the second inner wedge member are planar and arranged in a plane perpendicular to the effective direction of the pressure force to be measured.
  • the pressure sensor which is usually planar on its upper side and underside, directly against the inner surfaces, between the inner wedge elements.
  • a second intermediate piece may be provided with a dome, wherein the dome of the one Inner surface of an inner wedge element facing surface forms and the corresponding inner surface of the inner wedge member is formed correspondingly.
  • the dome preferably has the geometric shape of a partial surface of a cylindrical body.
  • the outer surface of the first and / or the second outer wedge member is a partial surface of a cylindrical body. This embodiment is particularly recommended in application areas in which the pressure sensor is to be held by means of the holder in a bore, for example, the axial bore of a measuring roller.
  • the holder may have centering pins which engage in centering holes in components.
  • the holder has an internal thread introduced into the first and second outer wedge elements, the longitudinal axis of which runs through the installation position of the pressure sensor and a pressure screw screwed into the inner thread, which can come into contact with the first inner wedge element and the second inner wedge element and relatively to the first and second outer wedge members.
  • a simple biasing of the holder can be generated. Due to the angled configuration of the respective outer surfaces in relation to the respective inner surfaces of the cooperating inner wedge and outer wedge elements, a displacement of the wedge elements relative to one another produces a displacement of the outer wedge member away from the mounting position of the pressure sensor. In this way, the holder can be clamped in a recess.
  • the holder may have an inner thread introduced into the first and the second inner wedge element, the longitudinal axis of which runs through the installation position of the pressure sensor and a lag screw which is screwed into the inner thread and can come into contact with the first and the second outer wedge element with its screw head and they can move relative to the first and the second inner wedge element.
  • the measuring roller has an installation arranged in the recess having the sensor or another recess, wherein the installation is made in one piece and the first temperature sensor and / or the second temperature sensor is arranged on the installation such that it determines the surface temperature of a surface section of the installation, or the installation is designed in several parts, for example, as in the above-described holder and the first temperature sensor and / or the second temperature sensor is arranged on a part of the installation, that it the surface temperature of a Surface section of this part can measure or is part of the installation and thus located inside the installation.
  • the inventive method for determining flatness deviations of a strip-shaped Guts is performed with the measuring roller according to the invention, wherein the measuring roller has at least a first arranged in a first recess first sensor and a second arranged in a second recess second sensor and the first recess and the second recess in Circumferential direction of the measuring roller are arranged at different locations, wherein the first sensor can generate a dependent of a force applied to the outer surface of the measuring roller force dependent first measuring signal and the second sensor can generate a dependent of a force applied to the outer surface of the measuring roller force dependent second measuring signal, wherein the strip-shaped material is guided over the outer circumference of the measuring roller and thereby touches at least a part of the surface of the measuring roller.
  • a difference signal is generated from a first temperature signal generated by the first temperature sensor and a second temperature signal generated by the second temperature sensor, and a corrected first measurement signal is generated from a first measurement signal generated by the first sensor and the difference signal into an evaluation unit.
  • a part of the measuring roller located near the hot metal band is hotter than a part of the measuring roller close to the cooling, even if due to the rotating movement of the measuring roller the part of the measuring roll located in the vicinity of the hot band Measuring roller is located at a later time near the cooling and cooled.
  • Both the existence of the temperature profile per unit time as such, but also the regular change in the temperature of the respective part of the measuring roller, caused by the rotational movement of the measuring roller and the alternating arrangement of individual sections of the measuring roller times near the hot band and sometimes in the vicinity of the cooling may affect the quality of the measurement signal generated by the sensor as a function of the applied force.
  • Have investigations In particular, it is shown that there is a nearly linear dependency ratio between the heating of the roller jacket and the reduction of the sensor bias voltage.
  • Fig. 1 shows a holder 1 for a pressure sensor 2.
  • the holder 1 holds the pressure sensor 2 in an axial bore 3 of the partially illustrated measuring roller 4.
  • Die Bracket 1 has an inner sleeve 5, which consists of a first above the provided for the pressure sensor 2 installation position inner wedge element 6 with a pointing to the installation position of the pressure sensor 2 inner surface 7 and an angle to the inner surface 7 standing, the inner surface 7 opposite outer surface 8 , Furthermore, the inner sleeve 5 has a second inner wedge element 9 arranged below the installation position provided for the pressure sensor 2, which has an inner surface 10 pointing to the installation position of the pressure sensor 2 and an outer surface 11 standing at an angle to the inner surface 10 and facing the inner surface 10.
  • the holder 1 has an outer sleeve 12.
  • the outer sleeve 12 has a first outer wedge element 13 with an inner surface 14 facing the installation position of the pressure sensor and an outer surface 15 which is at an angle to the inner surface 14 and faces the inner surface 14.
  • the outer sleeve 12 has a second outer wedge element 16 with an inner surface 17 facing the installation position of the pressure sensor 2, with which the outer wedge element 16 rests on the outer surface of the second inner wedge element 9.
  • the outer wedge element 16 has an outer surface 18 lying opposite the inner surface 17.
  • a pressure screw 19 with an external thread is screwed into a female thread 20 introduced into the outer sleeve.
  • the depth of engagement of the pressure screw 19 determines the relative position of the inner sleeve 5 in relation to the outer sleeve 12 and thus the degree of bias of the holder 1 in the axial bore third
  • FIG. 2 can be seen, the inner sleeve 5 and the outer sleeve 12, slots 21 and 22 respectively.
  • These longitudinal slots 21, 22 reduce the spring stiffness of the inner sleeve 5 and the outer sleeve 12 and ensure that the force shunt remains low.
  • the acting in the direction of action of the arrow D, to be determined pressure force is therefore well introduced into the pressure sensor 2.
  • the outer sleeve 12 and the inner sleeve 5 can be produced by machining in a first processing step.
  • the shape tolerance of the inner surfaces 14, 17 of the outer sleeve 12 and the outer surfaces 8, 11 of the inner sleeve can be made particularly precise and so a tilting torque-free movement of the inner sleeve 5 are made possible relative to the outer sleeve 12.
  • those in the view of the Fig. 2 laterally arranged portions of the inner sleeve 5 are further narrowed to reduce the lateral wall thickness of the inner sleeve 5. This results in the view of Fig. 2 lateral free spaces 23, 24 between the inner sleeve 5 and the outer sleeve 12, which favor the introduction of force into the pressure sensor 2 and further reduce the force shunt.
  • the Fig. 3 shows the top view of the pressure sensor 2. In this view, the leading to the pressure sensor 2 cable arrangement is clearly visible. A first cable 25 leads to the illustrated pressure sensor 2, while further cables 26 lead to further pressure sensors, not shown, which are arranged in the same axial bore 3.
  • the Fig. 1 to 3 show a first temperature sensor 40 installed in the first outer wedge member 13 and a second temperature sensor 41 installed in the second outer wedge member 16.
  • the temperature sensors are mounted so that they can measure the surface temperature of the recess defining surface portions top and bottom.
  • the in the Fig. 4 shown further embodiment of the holder has basically the same structure as that in the Fig. 1 to 3 shown holder. Identical components have reference numbers increased by the value 100. However, a plurality of recesses 126 are provided in the inner sleeve 105 of this second embodiment, which further reduce the lateral wall thickness of the inner sleeve 105 and thus lead to a further lower spring stiffness and thus a lower force shunt. Also at the in Fig. 4 illustrated embodiment, a first temperature sensor 140 and a second temperature sensor 141 are provided.
  • a further embodiment of the invention is shown which differs from that in the Fig. 1 to 3 Illustrated characterized differs that between the inner sleeve 205 and the pressure sensor 202 intermediate pieces 227 and 228 are provided with calottes.
  • the components shown correspond to the components of the Fig. 1 to 3 illustrated elements. They are represented by a reference number increased by 200.
  • a first temperature sensor 240 and a second temperature sensor 241 are provided.
  • Fig. 8 shows one of the in Fig. 1 shown comparable bracket 301. It differs from the in Fig. 1 Shown by a different orientation of the inner surfaces 308, 311 and the corresponding outer surfaces 314, 317 and by a lag screw 329 which is screwed into an internal thread 330 of the inner sleeve 305.
  • the depth of engagement of the lag screw 329 in the internal thread 330 determines the position of the inner sleeve 305 relative to the outer sleeve 312 and thus the bias of the holder 301 in the axial bore 303 of the measuring roller 304.
  • the same components are marked with a value increased by the reference numeral 300.
  • a first temperature sensor 340 and a second temperature sensor 341 are provided.
  • the measuring roller 401 has a pin 402.
  • the measuring roller 401 has a metal shell 444 shrunk onto the roller body and axially parallel bores 403 arranged closely beneath it, from which transverse ducts 404 extend close to their end face and lead to a central cable duct 405.
  • the holes are closed with a cover 406 or individually with lids and contain sensors 407, of which a cable 408 through the bore 403, the transverse channel 404 and the central channel 405 are guided to the outside.
  • the wedge 414 biases the sensor 407.
  • FIG. 9 embodiment shown shows the possibility of arranging a first temperature sensor 440 at a first radial distance R1 to the longitudinal axis and the arrangement of a second temperature sensor 441 at a second, different from the first radial distance R1 distance R2 on the end face of the measuring roller.
  • the holes 403 may also be connected to a longitudinal groove 421, in which the lower part of a loose clamping wedge 414 is guided and the inclined surface cooperates with an inclined surface of a housing 423.
  • clamping wedge 414 ensures that the housing 423 can not rotate in the bore 403.
  • the sensor 407 is arranged in a four-part housing 423 with opposite parallel clamping surfaces 424, 425 and two end plates 426, 427.
  • first temperature sensor 442 is disposed in a separate recess, while the second temperature sensor 443 is disposed in the bore 403.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Claims (8)

  1. Rouleau mesureur (4) affecté à la constatation d'écarts de planéité d'un produit en forme de bandes, ledit rouleau mesureur (4) présentant un axe longitudinal et au moins un capteur (2) qui est logé dans un évidement pratiqué dans ledit rouleau mesureur (4), et est apte à engendrer un signal de mesure tributaire d'une force appliquée à la surface extérieure dudit rouleau mesureur (4), comprenant une première sonde de température (40) occupant un emplacement éloigné d'une première distance par rapport à l'axe longitudinal, dans le sens radial, caractérisé par une seconde sonde de température (41) occupant dans le sens radial, par rapport à l'axe longitudinal, un emplacement éloigné d'une seconde distance différant de la première distance.
  2. Rouleau mesureur (4) selon la revendication 1, caractérisé par un corps de base monobloc, essentiellement cylindrique, dans lequel l'évidement est pratiqué.
  3. Rouleau mesureur (4) selon l'une des revendications 1 ou 2, caractérisé par le fait que la première (40), et/ou la seconde (41) sonde(s) de température, se présente(nt) comme un thermomètre à résistance (sondes PT100) ou comme un thermocouple.
  4. Rouleau mesureur (4) selon l'une des revendications 1 à 3, caractérisé par le fait que la première sonde de température (40) et la seconde sonde de température (41) sont disposées, pour l'essentiel, dans un même plan par rapport auquel l'axe longitudinal trace une perpendiculaire.
  5. Rouleau mesureur (4) selon la revendication 4, caractérisé par le fait que la première sonde de température (40) et la seconde sonde de température (41) sont situées, pour l'essentiel, sur une ligne orientée dans le sens radial dudit rouleau mesureur (4) à partir de l'axe longitudinal.
  6. Rouleau mesureur (4) selon l'une des revendications 1 à 5, caractérisé par une structure intégrée logée dans l'évidement comportant le capteur (2), ou dans un autre évidement, ladite structure intégrée étant réalisée d'un seul tenant et la première sonde de température (40) et/ou la seconde sonde de température (41) occupant, sur ladite structure intégrée, un emplacement qui lui (leur) permet de mesurer la température régnant à la surface d'une région superficielle de ladite structure intégrée ; ou ladite structure intégrée est réalisée en plusieurs parties, et la première sonde de température (40) et/ou la seconde sonde de température (41) est (sont) placée(s) sur une partie de ladite structure intégrée, de façon telle qu'elle(s) puisse(nt) mesurer la température régnant à la surface d'une région superficielle de cette partie, ou bien constitue(nt) une partie de la structure intégrée et se trouve(nt), de la sorte, à l'intérieur de ladite structure intégrée.
  7. Rouleau mesureur (4) selon l'une des revendications 1 à 6, caractérisé par le fait que la première (40), et/ou la seconde (41) sonde(s) de température, est (sont) logée(s) dans un évidement et occupe(nt) un emplacement qui lui (leur) permet de mesurer la température d'une zone de surface délimitant ledit évidement.
  8. Procédé dévolu à la constatation d'écarts de planéité d'un produit en forme de bandes à l'aide d'un rouleau mesureur (4) conforme à l'une des revendications 1 à 7, ledit rouleau mesureur (4) comprenant au moins un premier capteur (2) logé dans un premier évidement et un second capteur (2) logé dans un second évidement, ledit premier évidement et ledit second évidement occupant des emplacements différents dans la direction périphérique dudit rouleau mesureur (4), ledit premier capteur (2) étant apte à engendrer un premier signal de mesure tributaire d'une force appliquée à la surface extérieure du rouleau mesureur (4), et ledit second capteur (2) étant apte à engendrer un second signal de mesure tributaire d'une force appliquée à la surface extérieure dudit rouleau mesureur (4), procédé dans lequel le produit en forme de bandes est guidé sur le pourtour extérieur du rouleau mesureur (4) et se trouve alors en contact avec au moins une partie de la surface dudit rouleau mesureur (4), sachant qu'un signal différentiel est généré sur la base d'un premier signal de température engendré par la première sonde de température (40) et d'un second signal de température engendré par la seconde sonde de température (41), et qu'un premier signal de mesure corrigé est généré, dans une unité d'évaluation, sur la base dudit signal différentiel et d'un premier signal de mesure engendré par le premier capteur (2).
EP14000163.7A 2013-01-22 2014-01-16 Rouleau de mesure permettant de déterminer des écarts de planéité d'un produit en forme de bande et procédé de détermination d'écarts de planéité d'un produit en forme de bande Active EP2756890B1 (fr)

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DE102013000970.7A DE102013000970A1 (de) 2013-01-22 2013-01-22 Messrolle zum Feststellen von Planheitsabweichungen eines bandförmigen Guts und Verfahren zum Feststellen von Planheitsabweichungen eines bandförmigen Guts

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DE102017130769B4 (de) * 2017-12-20 2021-09-09 Bernd Berger Messrolle
DE102018009610A1 (de) * 2018-12-11 2020-06-18 Vdeh-Betriebsforschungsinstitut Gmbh Verfahren zum Feststellen einer Eigenschaft eines über die Messrolle geführten bandförmigen Guts
DE102018009611A1 (de) * 2018-12-11 2020-06-18 Vdeh-Betriebsforschungsinstitut Gmbh Messrolle zum Feststellen einer Eigenschaft eines über die Messrolle geführten bandförmigen Guts
DE102020103779B4 (de) 2020-02-13 2022-03-24 Walzen Irle Gmbh Walzenanordnung für ein Walzwerk zur Walzwerkzeugüberwachung
DE102021005558B3 (de) * 2021-11-09 2023-03-23 VDEh-Betriebsforschungsinstitut Gesellschaft mit beschränkter Haftung Messrolle zum Feststellen einer Eigenschaft eines über eine Messrolle geführten bandförmigen Guts sowie Verwendung einer solchen Messrolle
JP2024025314A (ja) * 2022-08-12 2024-02-26 株式会社神戸製鋼所 センサローラユニット
CN116651927B (zh) * 2023-06-09 2024-05-28 福建三宝钢铁有限公司 一种含CrHRB400E热轧带肋钢筋产品的制备装置及方法

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JP2938627B2 (ja) * 1991-07-16 1999-08-23 日新製鋼株式会社 測温精度に優れた温度センサーロール
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JP4866684B2 (ja) * 2006-08-28 2012-02-01 株式会社ジェイテクト 車輪用転がり軸受装置

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JP2014142344A (ja) 2014-08-07
CN104209348A (zh) 2014-12-17
CN104209348B (zh) 2016-08-24
DE102013000970A1 (de) 2014-07-24
JP6341671B2 (ja) 2018-06-13

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