WO2011045036A1 - Dispositif et procédé d'analyse d'une bande métallique - Google Patents

Dispositif et procédé d'analyse d'une bande métallique Download PDF

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Publication number
WO2011045036A1
WO2011045036A1 PCT/EP2010/006250 EP2010006250W WO2011045036A1 WO 2011045036 A1 WO2011045036 A1 WO 2011045036A1 EP 2010006250 W EP2010006250 W EP 2010006250W WO 2011045036 A1 WO2011045036 A1 WO 2011045036A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal strip
deflection roller
strip
clamping device
deflection
Prior art date
Application number
PCT/EP2010/006250
Other languages
German (de)
English (en)
Inventor
Michael Degner
Karl Hoen
Volker Wahlen
Original Assignee
Sms Siemag Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sms Siemag Ag filed Critical Sms Siemag Ag
Publication of WO2011045036A1 publication Critical patent/WO2011045036A1/fr

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Classifications

    • 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
    • B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8803—Visual inspection
    • 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

Definitions

  • the present invention relates to a device and a method for examining a metal strip, in particular a cold strip.
  • Devices for the examination of cold rolled metal strips are known.
  • the end of the belt is cut off after being wound up on a coiler and then transported to a rotatable device.
  • the examination of the tape is made possible by the adjustable rotational movement at different angles on the tape surface.
  • devices are known in which the end of the wound coil is transported vertically to a deflection roller. There, the end of the wound coil is inspected from both sides.
  • the field of view of the band observer is partially limited due to the vertical arrangement of the examination system.
  • the unwinding of the tape is necessary until surface defects such as marks or whips can be seen by the observer.
  • the belt surface can only be sanded in the immediate access area of the belt observer. From JP 6182444 A, a device for inspecting a metal strip is known, wherein the upper and the lower surface are examined in one pass.
  • JP 4022513 A a device for the examination of a metal strip is known, whereby successive horizontal and vertical investigations of the metal strip take place.
  • an inspection system for rolled products of a rolling mill wherein a number of height-adjustable rolled product clamps are arranged on a conveyor belt for rolled products.
  • an inspection system for rolled products of a rolling mill is known, in which a number of inspection tables and in the conveying direction of the rolled products a turning device is arranged, in which two receiving elements for rolled products pivotable about an aligned substantially parallel to the plane of extension of the rolled products axis of rotation are.
  • EP 1 824 619 B1 discloses a rolled strip inspection method wherein a tape specimen is inspected on a first side and then turned over to inspect a second side.
  • WO 2004/060589 A1 is a method for rolling and subsequent reeling of metal strip, in particular of steel strip, on at least one rotationally driven, expandable coiler mandrel known, wherein the metal strip is examined in longitudinal sections on rolling anomalies.
  • WO 2007/107675 A1 discloses a device for testing a metal strip.
  • the device consists of a vertical examination level between an unwinding device and a winding device. The examination is performed visually on both surfaces of the tape.
  • the object of the present invention is to provide a device for testing a metal strip, in particular cold strip, with a simple structure.
  • a device for inspecting a metal strip with a top and bottom comprising: at least one deflection roller for deflecting the metal strip,
  • a first movable clamping device for clamping and for moving the metal strip towards the deflection roller
  • a second movable clamping device for clamping and for moving the metal strip after its deflection by the deflection roller of the guide roller away.
  • the preferably horizontal arrangement of the device is an easy-to-use and holistic examination of the tape top and belt underside given.
  • the length of the device, in particular of the rails corresponds at least to the road length of a cold rolling mill.
  • a cold rolling mill typically has a length of 15 m to 25 m, preferably about 20 m. Periodic errors can be found in the band well.
  • the advantages of the device according to the invention are in particular the simple structure.
  • the examination does not cause any additional contamination of the tape.
  • the device is only slightly soiled by the belt, since only the pulley has direct contact with the belt.
  • the strip tension for example, by clamping the metal strip between the first and second clamping device with intermediate Circuit of the deflection roller and method of the two clamping device are constructed against each other.
  • the strip tension can be constructed in the metal strip by suitable control of the unwinding and Aufwickelhaspels with the interposition of the deflection roller.
  • a surface defect such as whip marking
  • the error Pinch Marks corresponds to linear markings on the belt which may occur singly or recur periodically and are not longitudinal to the rolling direction. The error is caused by unscheduled tape in the nip
  • the device according to the invention requires lower investment costs and reduced costs for maintenance, since it contains only a few components.
  • the device according to the invention allows easy handling during the examination.
  • the device according to the invention has the advantage that the metal strip, in particular cold strip, is optionally unwound for examination and optionally rewound after the examination.
  • Cold strip production will be increases, since in the case of a defect-free tape, the return transfer of the end of the belt with the movable clamping device to the coiling of the cold rolling train without delay takes place.
  • the device according to the invention does not require any scissors. There is therefore no sample scrap.
  • the dispensing is increased overall and the components of the device are simplified.
  • the end of the strip to be examined must be cut and transported to an appropriate inspection facility, which involves considerable time and material loss.
  • the device according to the invention preferably enables a visual offline examination of the surface of metal strip in cold rolling mills by the human eye of a test person.
  • the belt speed is preferably 0 m / s during the investigation.
  • the belt speed may be higher than when examined by the inspector.
  • the speed of the metal strip during its examination may not be greater than the speed at which the examination is still possible.
  • the first and second clamping devices are one and the same device.
  • the one clamping device is designed to hold / clamp the metal strip also during its circulation around the deflection roller, d. H. the clamping device runs together with the metal band around the circulation roller.
  • Particular examples of the invention provide, individually or in combination, that
  • the at least one deflection roller is, for example, a dancer roller, a working roller, a simple deflection roller or a belt storage roller;
  • the apparatus comprises at least one stage accessible to the test person, hereinafter also referred to as an observer, for examining a portion of the underside of the metal band in front of the deflection roller and / or a portion of the upper side of the metal band behind the deflection roller with regard to its properties or its surface quality;
  • the apparatus comprises inspection means for inspecting the top and / or bottom of the metal strip alternatively or in addition to the inspector;
  • the device has lighting devices for illuminating the top and / or bottom of the metal strip;
  • the device has running rails along which the first and second clamping devices can be moved with the metal strip;
  • the rails are preferably arranged at least approximately horizontally for horizontal guiding of the metal strip on the guide roller and for horizontally guiding the metal strip away from the guide roller;
  • the first and second clamping devices are designed to move the metal
  • a further solution of the above-mentioned object lies in a method for examining a metal strip having an upper side and a lower side, wherein a) the metal strip is moved towards a deflection roller,
  • the device according to one of claims 1 to 13 is designed for carrying out the method according to one of claims 14 to 16.
  • Fig. 1 is a side view of a horizontal examination device with two walk-on stages
  • Fig. 2 is a side view of a horizontal examination device with a walk-stage
  • Fig. 3 is a plan view of a horizontal examination device.
  • Fig. 1 and Fig. 2 show different embodiments of the device according to the invention, hereinafter also called examination device I and examination device II.
  • the investigation of the metal strip 10, hereinafter also referred to as strip proceeds, for example, as follows.
  • a coil is driven along with its specific data, such as diameter, width and coil number with a coil car from a reel to the investigation device I, II.
  • a coil is a coil of wound metal band.
  • the coil is driven on the coiler mandrel (not shown) of a decoiler 1.
  • the collar beginning is rotated against the winding direction by 180 °.
  • the movable first clamping device 3 is moved forward with a bundle opener 2.
  • the coil is rotated forward and the beginning of the tape 10 is inserted into the first clamping device 3 and clamped there.
  • As clamping device 3, 13 movable grippers can be used, which hold the metal strip 10 either directly on the tape head or laterally at its edges.
  • the first clamping device 3 and the second clamping device 13 are each used for clamping and method, equivalent to guiding or conveying the Metallban- 10, for example, along the rails 5. Specifically, the metal strip 10 with the aid of the first movable clamping device 3 along the rails.
  • the metal strip 10 with the help of the second movable clamping device 13 along the rails 5 of the guide roller 6 away eg in the direction of a take-up reel 1 method / out.
  • the metal strip 10, in particular cold strip, is stopped after its deflection in at least one predetermined end position.
  • the strip tension is then maintained, for example, with the clamping devices.
  • the metal strip 10 is examined. The examination in the device is clear from Fig. 3.
  • the deflection roller 6 and the deflection of the metal strip 10 by about 180 ° have the advantage that prior to the deflection, the top 11b of the metal strip 10 is above and can be inspected by the examiner 9 by looking from top to bottom. After deflection by the deflection roller 6, the bottom 11 a of the metal strip 10 is above and can be inspected by the examiner 9 again by looking from the top down.
  • the top 11b and bottom 11a of the metal strip 10 are inspected visually by a test person 9 from a first stage 4 and a second stage 14; see Fig. 1.
  • the top 1 b and underside 11 a of the metal strip 10 are examined by the examiner 9 from a single stage 4; see Fig. 2.
  • the stage allows the examination of both the top and the bottom of the metal strip 10 each with a view of the examiner from top to bottom, which is a facilitated working posture for the test person.
  • the provision of the stage is optional, because the test may alternatively also take place from the hut floor.
  • the clamping devices 3, 13 with the clamped metal strip preferably rest for the duration of the examination.
  • the upper side 1b and lower side 11a of the band 10 are preferably illuminated with at least one illumination device 7, 17 during the examination.
  • the cold strip 10 has, for example, a width of 800 mm to 2,100 mm and a thickness of, for example, 0.2 mm (Feinstblech) to 1, 5 mm (sheet) on.
  • the metal strip may be base and quality steel, higher strength grades such as trip and twip steel, or low carbon steels for deep drawing applications.
  • the temperature of the metal strip is a maximum of 300 ° C in the offline study, but typically room temperature.
  • the time required for the examination is reduced compared to conventional examination devices. For standard off-line inspection systems, about 380 seconds are needed for the entire investigation process. The times for an investigation with the aid of the device I, II according to the invention and the method according to the invention are 250 s and are thus significantly lower.
  • the period of 250 seconds is distributed among the following operations as follows
  • the time advantage of 130 s results at the beginning of the examination when the metal strip 10 is already transported with the clamping device 3 into the examination device.
  • Tables 2 and 3 below show by way of example the work steps of the collar preparation and examination and after the examination of a cold strip.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Abstract

La présente invention concerne un dispositif et un procédé d'analyse d'une bande métallique, la bande (10) étant guidée de préférence horizontalement à l'aide d'un dispositif de serrage (3) déplaçable et de rails de roulement (5) d'un dérouleur (1) vers un rouleau de déviation (6). La bande (10) est déviée par le rouleau de déviation (6) et est ensuite éloignée par un deuxième dispositif de serrage déplaçable (13) du rouleau de déviation (6) par exemple en direction d'un enrouleur. La bande est de préférence arrêtée pendant l'analyse d'une section du côté inférieur de la bande métallique avant le rouleau de déviation et/ou d'une section du côté supérieur de la bande métallique après le rouleau de déviation (6) pour ce qui est de ses propriétés ou de sa qualité de surface.
PCT/EP2010/006250 2009-10-13 2010-10-13 Dispositif et procédé d'analyse d'une bande métallique WO2011045036A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009049106.6 2009-10-13
DE102009049106.6A DE102009049106B4 (de) 2009-10-13 2009-10-13 Vorrichtung und Verfahren zur Untersuchung eines Metallbandes

Publications (1)

Publication Number Publication Date
WO2011045036A1 true WO2011045036A1 (fr) 2011-04-21

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PCT/EP2010/006250 WO2011045036A1 (fr) 2009-10-13 2010-10-13 Dispositif et procédé d'analyse d'une bande métallique

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DE (1) DE102009049106B4 (fr)
WO (1) WO2011045036A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019188438A (ja) * 2018-04-25 2019-10-31 日本製鉄株式会社 鋼帯の表裏面検査装置、鋼帯の圧延設備および鋼帯の表裏面検査方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2162384A1 (de) 1971-12-16 1973-06-20 Moeller & Neumann Gmbh Blechwender mit hydraulischem antrieb
DE2165936A1 (de) 1971-12-31 1973-07-12 Universale Ind Ofenbau Gmbh Wendevorrichtung fuer brammen und dergleichen
JPH0422513A (ja) 1990-05-16 1992-01-27 Kawasaki Steel Corp 鋼帯の検査方法及びその検査用設備列
JPH06182444A (ja) 1992-12-15 1994-07-05 Nkk Corp 検査設備およびリコイリング設備
WO2004060589A1 (fr) 2003-01-06 2004-07-22 Sms Demag Aktiengesellschaft Procede et dispositif de laminage et de bobinage consecutif d'une bande metallique, notamment d'une bande d'acier
EP1590105A1 (fr) * 2003-02-05 2005-11-02 SMS Demag AG Systeme d'inspection pour des produits lamines d'une installation de laminage
EP1590106B1 (fr) 2003-02-05 2006-12-13 SMS Demag Aktiengesellschaft Systeme d'inspection de produits de laminage d'un laminoir
EP1824619A1 (fr) * 2004-11-10 2007-08-29 Siemens VAI Metals Technologies SAS Procede et dispositif d'inspection d'une bande laminee
WO2007107675A1 (fr) 2006-03-21 2007-09-27 Siemens Vai Metals Technologies Sas Procede et installation d'inspection d'une bande enroulee

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2162384A1 (de) 1971-12-16 1973-06-20 Moeller & Neumann Gmbh Blechwender mit hydraulischem antrieb
DE2165936A1 (de) 1971-12-31 1973-07-12 Universale Ind Ofenbau Gmbh Wendevorrichtung fuer brammen und dergleichen
JPH0422513A (ja) 1990-05-16 1992-01-27 Kawasaki Steel Corp 鋼帯の検査方法及びその検査用設備列
JPH06182444A (ja) 1992-12-15 1994-07-05 Nkk Corp 検査設備およびリコイリング設備
WO2004060589A1 (fr) 2003-01-06 2004-07-22 Sms Demag Aktiengesellschaft Procede et dispositif de laminage et de bobinage consecutif d'une bande metallique, notamment d'une bande d'acier
EP1590105A1 (fr) * 2003-02-05 2005-11-02 SMS Demag AG Systeme d'inspection pour des produits lamines d'une installation de laminage
EP1590105B1 (fr) 2003-02-05 2006-07-05 SMS Demag AG Systeme d'inspection pour des produits lamines d'une installation de laminage
EP1590106B1 (fr) 2003-02-05 2006-12-13 SMS Demag Aktiengesellschaft Systeme d'inspection de produits de laminage d'un laminoir
EP1824619A1 (fr) * 2004-11-10 2007-08-29 Siemens VAI Metals Technologies SAS Procede et dispositif d'inspection d'une bande laminee
EP1824619B1 (fr) 2004-11-10 2008-04-23 Siemens VAI Metals Technologies SAS Procede et dispositif d'inspection d'une bande laminee
WO2007107675A1 (fr) 2006-03-21 2007-09-27 Siemens Vai Metals Technologies Sas Procede et installation d'inspection d'une bande enroulee

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019188438A (ja) * 2018-04-25 2019-10-31 日本製鉄株式会社 鋼帯の表裏面検査装置、鋼帯の圧延設備および鋼帯の表裏面検査方法
JP7004605B2 (ja) 2018-04-25 2022-01-21 日本製鉄株式会社 鋼帯の表裏面検査装置、鋼帯の圧延設備および鋼帯の表裏面検査方法

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DE102009049106B4 (de) 2023-09-14
DE102009049106A1 (de) 2011-04-14

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