EP1504832A1 - Procédé et dispositif pour la mesure sans contact de l'épaisseur et/ou du profil de lingots métalliques continus, en particulier lingots d'acier, dans une installation de coulée continue à plusieurs lignes - Google Patents

Procédé et dispositif pour la mesure sans contact de l'épaisseur et/ou du profil de lingots métalliques continus, en particulier lingots d'acier, dans une installation de coulée continue à plusieurs lignes Download PDF

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Publication number
EP1504832A1
EP1504832A1 EP04014660A EP04014660A EP1504832A1 EP 1504832 A1 EP1504832 A1 EP 1504832A1 EP 04014660 A EP04014660 A EP 04014660A EP 04014660 A EP04014660 A EP 04014660A EP 1504832 A1 EP1504832 A1 EP 1504832A1
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EP
European Patent Office
Prior art keywords
strand
profile
casting
measuring
sensors
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.)
Granted
Application number
EP04014660A
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German (de)
English (en)
Other versions
EP1504832B1 (fr
Inventor
Axel Weyer
Thomas Fest
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.)
SMS Siemag AG
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SMS Demag AG
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Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1504832A1 publication Critical patent/EP1504832A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/14—Plants for continuous casting
    • B22D11/147—Multi-strand plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations

Definitions

  • the invention relates to a method and a device for non-contact Measuring the profile thickness and / or the profile shape on casting strands of a Mehrstrangg intelligent fabric for liquid metals, especially for steel, in the profile thickness or profile shapes of a billet, block. Beamblank, slab or Thin slab strands are measured by sensors.
  • Such profile thickness measurements are based on continuous casters used by laser or isotope radiation systems.
  • the systems will be positioned either laterally or vertically to the measurement product and determine via the number of sensors used, depending on the measuring task, and the corresponding evaluation method, the profile thickness of the measured product.
  • Such a device for determining the spit edge of continuous casting billets during the casting process is known from DE 32 40 515 A1.
  • two distance measuring sensors are arranged per side, from the distance-proportional signals, the position of the respective billet side and from this the spit angularity can be determined.
  • the spit is, however, a mistake in continuous casting with subsequent Cooling caused by an uneven spraying with cooling water comes.
  • the invention is based on the object, a uniform spreading of all casting strands to monitor in a Mehrstrangg manstrom and if necessary.
  • the controlled variables individual casting strands to change.
  • the stated object is achieved in that a transient Measuring device after selecting a cast strand to be measured in a Measuring position perpendicular to the course of a strand group of the parallel casting strands procedure and the measuring process is triggered.
  • This makes it possible to single Casting strands with the parameters of their controlled variables the ratios of to adjust the remaining casting strands again and thus the uniform spreading to guarantee.
  • An embodiment is that the transient measuring device on the respective center of the casting strand is adjusted. This measurement method is for profile thickness measurements suitable.
  • the setting of the measuring position is performed in a casting pause.
  • Working on the sensor can be carried out according to further features be that for setting the measuring position, the measuring device in a parking position outside the radiation range of the strand group or in a shielded one Maintenance area is moved.
  • Changes in the controlled variables or deviations from the specifications can be further taken into account by either the entire profile shape of a G manstranges or at least one profile page to be measured.
  • the device for non-contact measurement of the profile thickness and / or the profile shape on casting strands of a Mehrstrangg messstrom for liquid metals, in particular for liquid steel, with cross-sectional shapes and dimensions of a Billet, block, Beamblank-, slab or thin slab strand goes off a prior art by means of sensors that are within a cross-sectional shape surrounding base frame are arranged.
  • This device achieves the object according to the invention in that perpendicular for parallel strand course of the strand group a rail guide for a internally cooled, reciprocally movable base frame runs in which the measuring device is arranged with the sensors, wherein the sensors with an evaluation electronics communicate away from the casting strands. Thereby can approached individual, selected casting strands and their profile thickness and / or Profile shapes are measured.
  • the rail guide may be similar to a crane track or a sliding door device be educated.
  • friction-reducing components eg. Wheels, rollers and the like Like., are used.
  • the rail guide outside the Spray area of the cooling chamber is arranged.
  • the internal cooling compensates a possible temperature expansion.
  • the measurement results are significant more precisely, to an arrangement of the base frame within the cooling chamber.
  • the cooling of the base frame can be further made such that the internally cooled base frame by means of flexible media connections to media connections coupled or in the respective measuring position over locally provided Couplings is connectable. This compressed air, cooling water and a Lubrication be considered. The connection is thus variable and for all positions of the base frame applicable.
  • the internally cooled base frame made of stainless steel. This results in connection with the internal water cooling only limited thermal expansion. Keep the sensors thereby their exact position when measuring.
  • the different positions of the basic frame can be taken into account be that the sensors by means of flexible and / or variable cable connections are connected to the evaluation electronics or via a wireless Communicate wireless connection.
  • the evaluation electronics can be in the form of a measuring computer in the control room be housed in the continuous casting machine. This allows recordings, their assignment to the measured cast strand and the evaluation of the Measurement results done centrally.
  • the measurement of the profile thickness or the profile shape can take place in each case by that the sensors in the base frame for a two-sided distance measurement to the respective profile side arranged symmetrically in pairs opposite one another are.
  • the liquid metal passes from a ladle 5 over a distribution vessel 6 (of which in a 6-strand plant also two be present can) each through the continuous casting mold 7 (primary cooling) in a cooling chamber 8 (secondary cooling) and is by means of a support roller frame 9 in the bow guided and straight in the horizontal by a directional driver unit 10 again directed (Fig. 1).
  • a distribution vessel 6 of which in a 6-strand plant also two be present can
  • the invention serves for non-contact measurement of the profile thickness 11 (FIG. 8) or also the entire profile shape 12 with cross-sectional shapes 13 of a billet strand 1a by means of sensors 14, which within a cross-sectional shape 13 of a billet.
  • - Block, Beamblank-, slab or thin slab casting strand 1a surrounding Base frame 15 are arranged.
  • Fig. 2 is perpendicular to the parallel strand course 16 (Fig. 3 and 4) of the shown Strand groups 17 of the base frame 15 in a trained as a carrier Rail guide 18 movable back and forth.
  • a measuring device 19 with pairwise sensors fourteenth arranged.
  • the sensors 14 are connected to an evaluation electronics 20.
  • the rail guide 18 is in Figs. 2 and 4 outside the spray area 21st arranged.
  • the internally cooled base frame 15 is by means of flexible media connections 22 (Fig. 7) to a media port 23 (for air, water and / or Lubricants) connected.
  • the internally cooled base frame 15 may be made Be made of stainless steel.
  • a flexible cable connection leads 24 to the evaluation electronics 20.
  • the evaluation electronics 20 can as Measuring computer 26 be configured.
  • the measuring computer 26 is in a switch house 27 of the Mehrstrangg matterstrom 3 (Fig. 3) housed.
  • the middle 1b forms one each Measuring position 28 on the travel 29 of the base frame 15.
  • the sensors 14 can therefore for scanning a profile page 1c also horizontally lying (in addition) be arranged.
  • the two sensors 14 are a triangulation laser system executed.
  • the method for contactless measurement of the profile thickness 11 or the profile shape 12 on individual casting strands 1 of the Mehrstrangg messstrom 3 for liquid Metals, especially for liquid steel 4, determines the profile thickness 11 or a Profile mold 12 one of the listed cross-sectional shapes 13 of each species via the sensors 14.
  • the transient measuring device 19 after selecting a cast strand 1 to be measured in a measuring position 28 perpendicular to the parallel strand course 16 of the strand groups 17 of the parallel casting strands 1 and then the measuring process is triggered. It is in the transient Measuring device 19 is set to the respective center 1 b of the cast strand 1.
  • the setting of the measuring position 28 can take place in a casting pause.
  • the measuring device 19 in a parking position 30th (Fig. 7) outside the radiation range of the respective strand group 17 or in a shielded maintenance area 31 are brought.
  • the measuring device 19 in a parking position 30th (Fig. 7) outside the radiation range of the respective strand group 17 or in a shielded maintenance area 31 are brought.
  • FIG. 8 can either the entire profile form 12 of a casting strand 1 or at least one Profile page 1 c are scanned.
  • Figs. 5 and 6 the process is in front view of the directional driver unit 10, the base frame 15 being dashed with the measuring device 19 is drawn. There are also the strand groups 17, 17 visible. In the same Position is the base frame 15 in Fig. 6.
  • the determination of the profile thickness 11 via a corresponding signal evaluation and processing in the evaluation electronics 20 The position of the billet strand 1 a with a cross-sectional shape 13 within the base frame 15 is conditional by the used measuring principle. Each sensor 14 detects position and distance the respective profile page 1 c. Due to the used time-synchronous evaluation the signals can be independent of the cross-sectional shape 13 measurement the profile thickness 11 are made. The selected measuring method becomes thereby not impaired.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
EP04014660A 2003-08-08 2004-06-23 Procédé et dispositif pour la mesure sans contact de l'épaisseur et/ou du profil de lingots métalliques continus, en particulier lingots d'acier, dans une installation de coulée continue à plusieurs lignes Expired - Lifetime EP1504832B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10336444 2003-08-08
DE10336444A DE10336444A1 (de) 2003-08-08 2003-08-08 Verfahren und Einrichtung zum berührungslosen Messen der Profildicke und/oder der Profilform an Gießsträngen einer Mehrstranggießanlage für flüssige Metalle, insbesondere für Stahl

Publications (2)

Publication Number Publication Date
EP1504832A1 true EP1504832A1 (fr) 2005-02-09
EP1504832B1 EP1504832B1 (fr) 2008-02-13

Family

ID=33547154

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04014660A Expired - Lifetime EP1504832B1 (fr) 2003-08-08 2004-06-23 Procédé et dispositif pour la mesure sans contact de l'épaisseur et/ou du profil de lingots métalliques continus, en particulier lingots d'acier, dans une installation de coulée continue à plusieurs lignes

Country Status (3)

Country Link
EP (1) EP1504832B1 (fr)
AT (1) ATE385867T1 (fr)
DE (2) DE10336444A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1917115B2 (fr) † 2005-11-22 2018-03-14 SMS group GmbH Procede et dispositif de mise en place d'au moins un segment a rouleaux d'un dispositif de guidage de barre sur une barre

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4311392A (en) * 1979-09-21 1982-01-19 Bridgestone Tire Company Limited Thickness measuring apparatus for non-metallic sheet-shaped bodies
DE3240515A1 (de) * 1982-10-30 1984-05-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur bestimmung der spiesskantigkeit von stranggiessknueppeln waehrend des giessprozesses
US5388341A (en) * 1993-08-04 1995-02-14 Data Measurement Corporation Virtual two gauge profile system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4311392A (en) * 1979-09-21 1982-01-19 Bridgestone Tire Company Limited Thickness measuring apparatus for non-metallic sheet-shaped bodies
DE3240515A1 (de) * 1982-10-30 1984-05-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur bestimmung der spiesskantigkeit von stranggiessknueppeln waehrend des giessprozesses
US5388341A (en) * 1993-08-04 1995-02-14 Data Measurement Corporation Virtual two gauge profile system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1917115B2 (fr) † 2005-11-22 2018-03-14 SMS group GmbH Procede et dispositif de mise en place d'au moins un segment a rouleaux d'un dispositif de guidage de barre sur une barre

Also Published As

Publication number Publication date
EP1504832B1 (fr) 2008-02-13
DE502004006165D1 (de) 2008-03-27
ATE385867T1 (de) 2008-03-15
DE10336444A1 (de) 2005-03-10

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