EP1112784A2 - Procédé de calibrage pour cage de laminoir universel - Google Patents

Procédé de calibrage pour cage de laminoir universel Download PDF

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Publication number
EP1112784A2
EP1112784A2 EP00126744A EP00126744A EP1112784A2 EP 1112784 A2 EP1112784 A2 EP 1112784A2 EP 00126744 A EP00126744 A EP 00126744A EP 00126744 A EP00126744 A EP 00126744A EP 1112784 A2 EP1112784 A2 EP 1112784A2
Authority
EP
European Patent Office
Prior art keywords
chocks
horizontal
vertical
force
calibration method
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.)
Withdrawn
Application number
EP00126744A
Other languages
German (de)
English (en)
Other versions
EP1112784A3 (fr
Inventor
Ralf Hartmann
Michael Minnerop
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
Original Assignee
SMS Demag 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 Demag AG filed Critical SMS Demag AG
Publication of EP1112784A2 publication Critical patent/EP1112784A2/fr
Publication of EP1112784A3 publication Critical patent/EP1112784A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B21B38/10—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators
    • 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
    • B21B38/10—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators
    • B21B38/105—Calibrating or presetting roll-gap
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/08—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
    • B21B13/10—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane
    • B21B2013/106—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane for sections, e.g. beams, rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
    • B21B2203/36—Spacers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2273/00—Path parameters
    • B21B2273/22—Aligning on rolling axis, e.g. of roll calibers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/32—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis by liquid pressure, e.g. hydromechanical adjusting

Definitions

  • the present invention relates to a calibration method for a universal roll stand with horizontal rolls and vertical rolls, the horizontal rolls in upper and lower horizontal chocks and the vertical rollers in vertical chocks are stored, the horizontal rollers against each other and the Vertical rollers are adjustable against the horizontal rollers.
  • the object of the present invention is to provide a calibration method for to create a universal roll stand with horizontal and vertical rolls, in which the horizontal rollers regardless of the shape of the rollers with respect to the Vertical rollers can be positioned.
  • final position setpoints are specified for actuators for the horizontal chocks the final position setpoints are selected such that the horizontal chocks before reaching the end position setpoints with certainty against the vertical chocks or against the spacers is that Calibration procedure always feasible.
  • the universal rolling stand is special simply set up.
  • the calibration force is less than one in the subsequent rolling operations Rolling force to be applied, the between the vertical chocks and the spacers arranged in the horizontal chocks are not damaged.
  • a universal roll stand has horizontal rolls 1, 2 and vertical rolls 3, 4 on.
  • the horizontal rollers 1, 2 are in horizontal chocks 5, 6 stored, the vertical rollers 3, 4 in vertical chocks 7, 8.
  • the chocks 5 up to 8 are adjustable via actuators 9 - 12.
  • the actuators 9 - 12 are as Hydraulic cylinder units designed.
  • the chocks 5 - 8 are therefore hydraulic method.
  • the hydraulic cylinder units 9 - 12 are either position or force controlled movable. By means of the actuators 9, 10 for the horizontal rolls 1, 2, these are adjustable against each other.
  • the vertical rollers 3, 4 are via their actuators 11, 12 against the horizontal rollers 1, 2 adjustable.
  • the universal rolling stand shown in FIG. 1 is used to roll one in FIG. 1 not shown profile, e.g. B. a double-T beam.
  • the horizontal rollers 1, 2 roll the middle web of the profile, the vertical rolls 3, 4 in cooperation with the horizontal rollers 1, 2 the flanges of the profile.
  • For the quality of the rolled profile it is important, among other things, that the web is in position is rolled. It is therefore important to adjust the horizontal rollers 1, 2 vertically so that the web is rolled in the middle.
  • This adjustment of the horizontal rollers 1, 2 with respect to the vertical rollers 3, 4 is referred to as a so-called pass line. This setting or calibration of the pass line is the subject of the present Invention.
  • the position of the lower edge of the upper horizontal roller 1 relative to the pass line is from Diameter of the upper horizontal roller 1, the distance of the roller axis upper horizontal roller 1 to the lower edge of the upper horizontal chock 5 and depending on the distance of the upper horizontal chock 5 to the pass line.
  • the diameter of the upper horizontal roller 1 is easily measurable or otherwise detectable.
  • the distance of the roller axis of the upper horizontal roller 1 to the lower edge of the upper horizontal chock 5 is fixed. It is therefore sufficient to do this to measure once in advance or to know otherwise. So only the functional Relationship between the distance of the lower edge of the upper horizontal chock 5 to the pass line and the actual position p of the hydraulic cylinder units 9 can be determined. This is the subject of what is described below Procedure. To evaluate the relationship determined in this way, the Position of the vertical roller center relative to the upper edge of the vertical chocks 7, 8 and possibly the thickness of the spacers 16, which are between the upper Horizontal chock 5 and the vertical chocks 7, 8 are arranged.
  • the functional relationship between the actual positions p of the hydraulic cylinder units 10 and the position of the upper edge of the lower horizontal roller 2 relative The pass line can be based on analogous considerations from the functional context between the distance of the upper edge of the lower horizontal chock 6 can be determined for the pass line.
  • the location of the vertical Roll center relative to the lower edge of the vertical chocks 7, 8 and possibly the Thickness of the spacers 16 between the lower horizontal chock 6th and the vertical chocks 7, 8 are arranged, provided that they are known.
  • spacers 16 are arranged.
  • the spacers 16 have flat, smoothly machined support surfaces 16 ', by means of which they are also machined with smooth contact surfaces 5 '- 8' of chocks 5 - 8 work together.
  • the horizontal chocks 5, 6 - are moved simultaneously or in succession.
  • the horizontal chocks 5, 6 are closed in two travel steps: First, the actuators 9, 10 are moved to intermediate positions: p1 in a step 17. Then forces F are detected in a step 18 which prevail in the actuators 9, 10 at this point in time in order to determine correction or offset values with which the actuators 9, 10 for the horizontal chocks 5, 6 have to be acted on to apply the desired rolling forces FW in subsequent rolling processes.
  • the horizontal chocks 5, 6 are then closed until they rest against the spacers 16 on the vertical chocks 7, 8.
  • the final control setpoints p2 * are given to the actuators 9, 10 in a step 19.
  • the actuators 9, 10 are then closed in a position-controlled manner.
  • the actuators 9, 10 exert a - corrected - force F on the horizontal chocks 5, 6.
  • the force F is limited to a traversing force FV.
  • the horizontal chocks 5, 6 are thus maximally acted upon by this tractive force FV.
  • the horizontal chocks 5, 6 can be moved simultaneously or successively against the vertical chocks 7, 8 or against the spacers 16 in the second movement step.
  • the end position setpoints p2 * are selected such that the horizontal chocks 5, 6 are safely moved against the vertical chocks 7, 8 or against the spacers 16 before these setpoints p2 * are reached. It is therefore first checked in a step 20 whether the force F actually exerted by the actuators 9, 10 exceeds the traversing force FV. If this is not the case, it is checked in a step 21 whether the end position setpoints p2 * have been reached. If this is not the case, the process returns to step 21.
  • the actuators 9, 10 are switched to power-controlled operation and acted upon in a step 23 with a calibration force FK.
  • the calibration force FK is greater than the traversing force FV, but smaller than the rolling force FW, which is to be applied in the subsequent rolling processes.
  • Typical values for the Travel force FV are 1% to 10% of the rolling force FW, typical values of the calibration force FK 10% to 30% of the rolling force FW.
  • step 24 After loading the horizontal chocks 5, 6 with the calibration force In step 24, the actual positions or position values approached become FK p of the horizontal chocks 5, 6 detected. From the position values p reference positions for the subsequent rolling processes are then determined and the actuators 9, 10 thus calibrated.
  • the vertical chocks 7, 8 are usually the same height and at the same height arranged. Furthermore, the spacers 16 are usually the same height. With the methods according to the invention are therefore based on the exact adjustment of the horizontal rollers 1, 2 with respect to the roll centers of the vertical rolls 3, 4 at the same time also the horizontal rollers 1, 2 horizontally and parallel pre-adjusted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Control Of Metal Rolling (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
EP00126744A 1999-12-30 2000-12-06 Procédé de calibrage pour cage de laminoir universel Withdrawn EP1112784A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19964042A DE19964042A1 (de) 1999-12-30 1999-12-30 Kalibrierverfahren für ein Universalwalzgerüst
DE19964042 1999-12-30

Publications (2)

Publication Number Publication Date
EP1112784A2 true EP1112784A2 (fr) 2001-07-04
EP1112784A3 EP1112784A3 (fr) 2003-10-01

Family

ID=7935170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00126744A Withdrawn EP1112784A3 (fr) 1999-12-30 2000-12-06 Procédé de calibrage pour cage de laminoir universel

Country Status (5)

Country Link
US (1) US20010020378A1 (fr)
EP (1) EP1112784A3 (fr)
JP (1) JP2001212605A (fr)
KR (1) KR20010062790A (fr)
DE (1) DE19964042A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110153200A (zh) * 2019-05-06 2019-08-23 邯郸钢铁集团有限责任公司 一种万能轧机水平轧制中心线的标定方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009039501A1 (de) * 2009-08-31 2011-03-03 Sms Siemag Ag Verfahren zur Einstellung der Walzen eines Walzgerüsts und Walzgerüst
JP6314706B2 (ja) * 2014-07-08 2018-04-25 新日鐵住金株式会社 ユニバーサル圧延機及びこれを含む形鋼の圧延設備、並びに、ユニバーサル圧延方法及びこれを含む形鋼の圧延方法
CN106140828A (zh) * 2015-04-27 2016-11-23 鞍钢股份有限公司 一种中厚板轧机立辊辊缝标定方法
CN113857237B (zh) * 2021-07-29 2024-04-16 北京弥天科技有限公司 一种h型钢多级轧制装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127997A (en) * 1976-12-17 1978-12-05 Secim Rolling mill stand
DE3501622A1 (de) * 1985-01-19 1986-07-24 Mannesmann AG, 4000 Düsseldorf Verfahren zum automatischen einrichten der walzen eines universal-walzgeruestes
EP0275875A2 (fr) * 1987-01-23 1988-07-27 Sms Schloemann-Siemag Aktiengesellschaft Dispositif de réglage pour une cage de laminoir universelle
EP0399296A2 (fr) * 1989-05-24 1990-11-28 Sms Schloemann-Siemag Aktiengesellschaft Justification automatique d'un laminoir universel après le changement des cylindres pour les profils neufs

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127997A (en) * 1976-12-17 1978-12-05 Secim Rolling mill stand
DE3501622A1 (de) * 1985-01-19 1986-07-24 Mannesmann AG, 4000 Düsseldorf Verfahren zum automatischen einrichten der walzen eines universal-walzgeruestes
EP0275875A2 (fr) * 1987-01-23 1988-07-27 Sms Schloemann-Siemag Aktiengesellschaft Dispositif de réglage pour une cage de laminoir universelle
EP0399296A2 (fr) * 1989-05-24 1990-11-28 Sms Schloemann-Siemag Aktiengesellschaft Justification automatique d'un laminoir universel après le changement des cylindres pour les profils neufs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110153200A (zh) * 2019-05-06 2019-08-23 邯郸钢铁集团有限责任公司 一种万能轧机水平轧制中心线的标定方法
CN110153200B (zh) * 2019-05-06 2021-02-26 邯郸钢铁集团有限责任公司 一种万能轧机水平轧制中心线的标定方法

Also Published As

Publication number Publication date
JP2001212605A (ja) 2001-08-07
US20010020378A1 (en) 2001-09-13
KR20010062790A (ko) 2001-07-07
DE19964042A1 (de) 2001-07-05
EP1112784A3 (fr) 2003-10-01

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