WO2010109637A1 - Dispositif de contrôle et de réglage d'une position de référence - Google Patents

Dispositif de contrôle et de réglage d'une position de référence Download PDF

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Publication number
WO2010109637A1
WO2010109637A1 PCT/JP2009/056147 JP2009056147W WO2010109637A1 WO 2010109637 A1 WO2010109637 A1 WO 2010109637A1 JP 2009056147 W JP2009056147 W JP 2009056147W WO 2010109637 A1 WO2010109637 A1 WO 2010109637A1
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WIPO (PCT)
Prior art keywords
width
rolls
workpiece
unit
value
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PCT/JP2009/056147
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English (en)
Japanese (ja)
Inventor
治樹 井波
Original Assignee
東芝三菱電機産業システム株式会社
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Application filed by 東芝三菱電機産業システム株式会社 filed Critical 東芝三菱電機産業システム株式会社
Priority to PCT/JP2009/056147 priority Critical patent/WO2010109637A1/fr
Priority to KR1020117020977A priority patent/KR101320717B1/ko
Priority to JP2011505760A priority patent/JP5261573B2/ja
Priority to CN200980158597.XA priority patent/CN102365134B/zh
Publication of WO2010109637A1 publication Critical patent/WO2010109637A1/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
    • B21B38/10—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
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/16—Control of thickness, width, diameter or other transverse dimensions
    • B21B37/22—Lateral spread control; Width control, e.g. by edge rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • 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
    • B21B13/06—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged vertically, e.g. edgers
    • 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

Definitions

  • the present invention relates to a reference position adjustment monitoring device that monitors a spread amount.
  • a pair of rolls provided in an edger mill is used to roll a workpiece from the horizontal direction
  • a pair of rolls provided in a rough rolling mill is used to roll the workpiece from the up and down direction
  • finishing is used to roll the workpiece from the up and down direction
  • the workpiece is rolled in the vertical direction by a plurality of pairs of rolls provided in the rolling mill.
  • the control device that controls the hot rolling facility performs zero point adjustment so that the rolls provided in the edger mill, the rough rolling mill, and the finishing rolling mill are positioned at the reference position before the operation is started.
  • control device applies a load by bringing a pair of rolls provided in the rough rolling mill into contact with each other while rotating them, and performs zero point adjustment based on the position of the cylinder at that time.
  • control device applies a load by bringing a plurality of pairs of rolls provided in the finishing rolling mill into contact with each other while rotating them, and performs zero point adjustment based on the position of the cylinder at that time.
  • the pair of rolls provided in the edger mill cannot be contacted due to the structure. Therefore, a reference plate having a width dimension that becomes a reference gap in a state where the pair of rolls is not rotating is sandwiched, and zero based on the position of the cylinder at that time so that the gap between the pair of rolls is appropriate. The point was adjusted.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 7-303909 uses a prediction model to predict and calculate the width spread ratio and effective width reduction ratio in a roughing mill based on the measured value (actual value) of an intermediate sensor. Then, calculate the opening to be set in the edger to obtain a predetermined target bar width at the exit of the roughing mill, and further adjust the coefficient of the prediction model by feeding back the actual opening value to set the hot rough rolling plate width An automatic correction device is described.
  • JP 7-303909 A Japanese Patent Application Laid-Open No. 7-303909
  • the crane machine In general hot rolling equipment, while the equipment is stopped, the crane machine inserts a reference plate between a pair of rolls of the edger mill based on the operator's operation, and the controller adjusts the zero point. Do. At this time, in order to accurately adjust the zero point, the metal plate must be sandwiched at right angles to the rotation axis of the pair of rolls. However, in general hot rolling equipment, the crane machine inserts a reference plate between a pair of rolls based on the user's operation, so the zero point can be adjusted accurately depending on the level of proficiency of the crane machine of the worker. There was a case that could not be.
  • the present invention has been made in view of the above-described problems, and adjusts the zero point so that the gap between a pair of rolls provided in the edger mill is appropriate, and monitors the amount of spread of the rolled workpiece. It is an object of the present invention to provide a reference position adjustment monitoring device that can be used.
  • a first feature of the reference position adjustment monitoring apparatus is provided in an edger mill that rolls a workpiece from a lateral direction by a pair of rolls, and a reference gap between the pair of rolls, A sandwiching portion that sandwiches a reference plate that is molded in a dimension, and the reference plate sandwiched between the sandwiching portions is inserted between the pair of rolls on the workpiece conveyance line, or between the pair of rolls
  • a reference plate driving unit that retracts the reference plate inserted into the workpiece to a position that does not overlap the workpiece conveyance line, a load measuring unit that measures a load applied to the pair of rolls, and a pair of rolls
  • a second feature of the reference position adjustment monitoring apparatus includes a first width measuring unit that measures the width of the workpiece at the edger mill entrance as a first width; A second width measuring unit that measures, as a second width, the width of the workpiece at the exit of a rolling mill that rolls the workpiece rolled by an edger mill from above and below, and the measured first width; Based on the load measured by the load measuring unit and the gap measured by the gap measuring unit zero-adjusted by the zero-point adjusting unit, the plate width of the workpiece at the entrance of the rolling mill is determined as a plate.
  • a third feature of the reference position adjustment monitoring apparatus is that the output control unit determines that a difference between the actual width expansion amount actual value and the actual width expansion amount actual calculation value is a threshold value. When it exceeds, a warning message is displayed on the display unit.
  • a fourth feature of the reference position adjustment monitoring apparatus is that the width of the workpiece at the entrance of an edger mill that rolls the workpiece from the lateral direction by a pair of rolls is defined as the first width.
  • a first width measuring unit that measures the width of the workpiece at the exit of the rolling mill that rolls the workpiece that has been rolled by the edger mill as a second width.
  • a load measuring unit that measures a load applied to the pair of rolls, a gap measuring unit that measures a gap between the pair of rolls, the measured first width, and the load measuring unit.
  • the plate width of the workpiece at the entrance of the rolling mill is calculated as a plate width calculated value, and the calculated plate width calculated value and the Measured Based on the second width, the actual value of the width spread amount of the workpiece spread in the lateral direction by being rolled by the rolling mill is calculated as the width spread amount actual value and the calculated Based on the plate width calculation value and the measured first width, the calculated value of the width spread amount of the workpiece spread in the lateral direction by being rolled by the rolling mill is calculated as the width spread amount actual calculation value. And an output control unit that displays a difference between the actual spread value calculated by the actual result calculation unit and the actual actual spread value calculated by the actual calculation unit on a display unit.
  • a fifth feature of the reference position adjustment monitoring apparatus is that the output control unit is configured such that a difference between the actual spread value actual value and the actual spread amount actual value is a threshold value. When it exceeds, a warning message is displayed on the display unit.
  • the present invention it is possible to adjust the zero point so that the gap between the pair of rolls provided in the edger mill is appropriate, and to monitor the amount of spread of the rolled workpiece.
  • FIG. 3 is a diagram illustrating an example of a width spread amount deviation displayed on a display unit 201 by an output control unit included in a reference position adjustment monitoring apparatus according to the first embodiment of the present invention. It is the schematic diagram explaining the monitoring process in the 2nd edger mill of the reference position adjustment monitoring apparatus which concerns on the 1st Embodiment of this invention, and a finishing rolling mill.
  • FIG. 1 is a configuration diagram illustrating a configuration of a hot rolling system to which the reference position adjustment monitoring device according to the first embodiment is applied.
  • a hot rolling system 2 to which the reference position adjustment monitoring device 1 according to the first embodiment is applied includes a hot rolling device 100 and a control device 200 that controls the hot rolling device 100. It has.
  • the hot rolling apparatus 100 includes a first width measuring unit 102, a first edger mill 103, a rough rolling mill 105, a second width measuring unit 106, a third width measuring unit 107, and a second An edger mill 109, a finish rolling mill 110, and a fourth width measuring unit 111 are provided.
  • the first width measuring unit 102 measures the plate width of the workpiece 120 at the entrance of the first edger mill 103 as the first width.
  • the first edger mill 103 includes a pair of first rolls, and rolls the workpiece 120 with a pair of first rolls from the lateral direction of the fed workpiece 120.
  • the rough rolling mill 105 includes a pair of second rolls, and roughly rolls the work 120 with a pair of second rolls from the vertical direction of the work 120 rolled by the first edger mill 103.
  • the second width measuring unit 106 measures the width of the workpiece 120 at the exit of the rough rolling mill 105 as the second width.
  • the second edger mill 109 has the same configuration as the first edger mill 103. Specifically, the second edger mill 109 includes a pair of third rolls, and rolls the work 120 with a pair of third rolls from the lateral direction of the work 120 roughly rolled by the rough rolling mill 105. .
  • the third width measuring unit 107 measures the plate width of the workpiece 120 at the entrance of the second edger mill 109 as the third width.
  • the finish rolling mill 110 includes a plurality of pairs of fourth rolls, and finish-rolls the workpieces 120 with a plurality of pairs of fourth rolls from the vertical direction of the workpieces 120 rolled by the second edger mill 109.
  • the fourth width measuring unit 111 measures the width of the workpiece 120 at the exit of the finish rolling mill 110 as the fourth width.
  • the work 120 is conveyed on the conveyance line 121, whereby the first edger mill 103, the rough rolling mill 105, the third width measuring unit 107, the second edger mill 109, and the finish rolling mill. 110, and is generally called a slab, a bar, or a coil each time it goes through each step of the hot rolling apparatus 100, but here it is unified as a work 120. .
  • control device 200 includes a performance calculation unit 200a, an output control unit 200b, and a zero point adjustment unit 200c in terms of its functions.
  • the result calculation unit 200a, the output control unit 200b, and the zero point adjustment unit 200c will be described later.
  • FIG. 2 is a side view of the first edger mill 103 provided in the hot rolling system 2 to which the reference position adjustment monitoring device 1 according to the first embodiment is applied
  • FIG. 3 is the first embodiment. It is a front view of the 1st edger mill 103 with which the hot rolling system 2 to which the reference position adjustment monitoring apparatus 1 which concerns on was applied was provided.
  • the edger main body 103a is provided with a pair of first rolls 103b, and the pair of first rolls 103b moves the workpiece 120 (not shown) from the lateral direction. To roll.
  • the first edger mill 103 includes a cylinder 103e rotatably attached to the base 103g with the rotation axis P as an axis, a piston rod 103f protruding from the cylinder 103e or housed in the cylinder 103e, and a tip of the piston rod 103f.
  • the arm part 103d connected and the clamping part 103c attached to one edge part of the arm part 103d are provided.
  • the other end of the arm portion 103d is attached to the column portion 103p so as to be rotatable about the rotation axis Q.
  • the sandwiching portion 103c has a mechanism for sandwiching a reference plate A molded with a width dimension that becomes a reference gap Gb between the pair of first rolls 103b.
  • the first edger mill 103 moves the roll shaft 103n of the pair of first rolls 103b by driving a built-in driving unit to thereby move the pair of first rolls 103b.
  • Gap control units 103h and 103j for controlling the gap G, which is the distance between them, are provided.
  • the gap control units 103h and 103j include a load measuring unit 103m and a gap measuring unit 103k.
  • the load measuring unit 103m measures a load applied to the pair of first rolls 103b.
  • the gap measuring unit 103k measures the gap G between the pair of first rolls 103b. Specifically, the gap measuring unit 103k detects the position of the roll shaft 103n, and based on the detected position of the roll shaft 103n and the roll thickness (radius) of the pair of first rolls 103b, G is calculated.
  • the configuration including the base 103g, the cylinder 103e, the piston rod 103f, the arm portion 103d, and the column portion 103p is referred to as a reference plate driving portion 3, and the reference plate driving portion 3, the clamping portion 103c, and the gap control.
  • a configuration including the units 103h and 103j and the control device 200 is referred to as a reference position adjustment monitoring device 1.
  • control device 200 includes a zero point adjustment unit 200c in terms of its function.
  • the zero point adjustment unit 200c is configured such that the reference plate A is a transfer line of the workpiece 120 by the reference plate driving unit 3.
  • the gap is determined based on the load measured by the load measuring unit 103m when the pair of first rolls 103b and the reference plate A come into contact with each other. The zero point of the measuring unit 103k is adjusted.
  • the reference position adjustment monitoring apparatus 1 has the above-described configuration, and performs a reference position adjustment described in detail below, so that a pair of rolls 103b provided in the first edger mill 103 is provided.
  • the gap G can be adjusted appropriately.
  • FIG. 4 is a flowchart showing a reference position adjustment procedure in the reference position adjustment monitoring apparatus 1 according to the first embodiment of the present invention.
  • the control apparatus 200 shuts down the hot rolling apparatus 100 (step S101). Specifically, after stopping the conveyance of the workpiece 120, the control device 200 stops driving the first edger mill 103, the rough rolling mill 105, the second edger mill 109, and the finishing rolling mill 110. , Turn off all power.
  • the pair of first rolls 103b of the first edger mill 103 is powered off with a sufficient gap G wider than the reference plate A.
  • the reference plate drive unit 3 of the reference position adjustment monitoring device 1 uses the reference plate A sandwiched by the sandwiching unit 103 c as a pair of first rolls of the first edger mill 103 on the conveyance line 121 of the workpiece 120.
  • 103b is inserted (step S102). Specifically, when the piston rod 103f is housed in the cylinder 103e, the cylinder 103e rotates in the R1 direction shown in FIG. 2, and the cylinder 103e, the piston rod 103f, the arm portion 103d, and the clamping portion 103c and the reference plate A move to the positions indicated by the broken lines. As a result, the reference plate A is inserted between the pair of first rolls 103 b on the conveyance line 121 of the workpiece 120.
  • the zero point adjustment unit 200c of the control device 200 moves the first roll 103b so as to shorten the gap G (step S103).
  • the gap control units 103h and 103j move the roll shaft 103n of the pair of first rolls 103b by driving a built-in driving unit so as to shorten the gap G.
  • the zero point adjustment unit 200c of the control device 200 determines whether or not the load applied to the pair of first rolls 103b measured by the load measurement unit 103m is a boundary that turns from zero to a positive value. (Step S104).
  • step S104 When it is determined in step S104 that the load applied to the pair of first rolls 103b is a boundary where the load changes from zero to a positive value, the zero point adjustment unit 200c of the control device 200 uses the gap G at that time as a reference.
  • the gap measurement unit 103k is reset to zero as the gap width Gb. (Step S105).
  • the zero point adjustment unit 200c of the control device 200 performs the zero point adjustment of the gap measurement unit 103k by executing steps S103 to S105.
  • the control device 200 retracts the reference plate A inserted between the pair of rolls 103b to a position where it does not overlap the conveyance line of the workpiece 120 (step S106). Specifically, when the piston rod 103f protrudes from the cylinder 103e, the cylinder 103e rotates in the R2 direction, and the cylinder 103e, the piston rod 103f, the arm portion 103d, the clamping portion 103c, the reference plate A, Moves to the position indicated by the solid line.
  • the reference plate driving unit 3 uses the reference plate A sandwiched by the sandwiching unit 103c as 1 on the transfer line 121 of the workpiece 120.
  • the reference plate A inserted between the pair of rolls 103b or the reference plate A inserted between the pair of rolls 103b is retracted to a position where it does not overlap with the conveying line 121 of the workpiece 120. There is no need to insert the plate A. Thereby, the zero point adjustment can be accurately performed regardless of the level of proficiency of the crane machine of the worker.
  • first edger mill 103 and the second edger mill 109 have the same configuration, and the reference position adjustment monitoring apparatus 1 similarly performs the reference position adjustment in the second edger mill 109 in the same manner.
  • the hot rolling apparatus 100 adjusts the reference position in the first edger mill 103 and the second edger mill 109, and then restarts to perform the hot rolling process on the workpiece 120.
  • the reference plate driving unit moves the reference plate A sandwiched by the sandwiching unit 103c to the workpiece 120.
  • the reference plate A inserted between the pair of rolls 103b on the conveyance line or between the pair of rolls 103b is retracted to a position not overlapping the conveyance line of the workpiece 120, and the zero point adjustment unit 200c is Based on the load measured by the load measuring unit 103m when the reference plate is inserted between the pair of rolls on the A conveyance line by the reference plate driving unit and the pair of rolls 103b and the reference plate A are in contact with each other,
  • the zero point of the gap measuring unit 103k the gap G between the pair of rolls 103b provided in the first edger mill 103 can be adjusted appropriately.
  • FIG. 5 is a schematic diagram illustrating the monitoring process in the first edger mill 103 of the reference position adjustment monitoring apparatus 1 according to the first embodiment of the present invention.
  • control device 200 includes a performance calculation unit 200a and an output control unit 200b in terms of its functions.
  • the actual result calculation unit 200a is configured to measure the first width W EI measured by the first width measurement unit 102, the load F measured by the load measurement unit 103m, and the gap measurement adjusted by the zero point by the zero point adjustment unit 200c. Based on the gap S E measured by the section 103k, the width of the workpiece 120 at the entrance of the rough rolling mill 105 is calculated as a plate width calculated value W EO .
  • the result calculation unit 200a is rolled by the rough rolling mill 105 based on the calculated plate width calculation value W EO and the second width W MO measured by the second width measurement unit 106.
  • the actual value of the width spread amount of the workpiece 120 spread in the horizontal direction is calculated as the width spread amount actual value ⁇ W ACT DHt
  • the calculated plate width calculated value W EO is measured by the first width measuring unit 102.
  • a calculated value of the width spread amount of the workpiece 120 that is laterally expanded by being rolled by the rough rolling mill 105 is calculated as a width spread amount actual calculation value ⁇ W AC DHt . .
  • the output control unit 200b causes the display unit 201 to display the difference between the width spreading amount actual value ⁇ W ACT DHt calculated by the result calculating unit 200a and the width spreading amount actual calculated value ⁇ W AC DHt .
  • FIG. 6 is a flowchart showing a processing procedure of monitoring processing by the reference position adjustment monitoring apparatus 1 according to the first embodiment of the present invention.
  • the actual calculation unit 200a of the control device 200 has a first width W EI measured by the first width measuring unit 102, the load applied to the first roll 103b of a pair measured by the load measuring unit 103m determining a F, whether or not the gap S E of the first roll 103b of a pair measured by the gap measuring unit 103k is supplied (step S201).
  • step S201 If it is determined in step S201 that the first width W EI , the load F, and the gap S E have been supplied (in the case of YES), the result calculation unit 200a can supply the supplied first width W EI.
  • a load F on the basis of the gap S E, calculates the calculated value of the sheet width of the workpiece 120 at the inlet of the rough rolling mill 105 of the workpiece 120 as the plate width calculating values W AC EO (step S202).
  • the plate width of the workpiece 120 at the outlet of the first edger mill 103 and at the inlet of the rough rolling mill 105 is W EO
  • the width of the workpiece 120 measured by the second width measuring unit 106 is the first width.
  • [Delta] W D represents a weight return dogbone width
  • [Delta] W H represents a wide rising amount by the rough rolling mill 105
  • [Delta] W t represents the width shrinkage amount of interstand tension at finish rolling mill 110, crude In the rolling mill 105
  • ⁇ W t is “0”.
  • f D , f H , and f t are mathematical models that express the dogbone width return amount, the width spread amount, and the amount of shrinkage, respectively, ⁇ used in the variable of f t represents the tension, and T is the temperature Represents.
  • the plate width calculation value which is the actual calculation value of the plate width of the workpiece 120 at the outlet of the first edger mill 103, is W AC EO
  • the actual calculation unit 200a has the first width W EI , the gap S E , and the load F. Based on the above, the plate width calculated value W AC EO is calculated using (Formula 2).
  • W AC EO f GM (S E , F, W EI ) (Formula 2)
  • f GM is a mathematical model that represents a gauge meter formula, and this is also a well-known content, and thus the description thereof is omitted here.
  • the result calculation unit 200a determines the width spread amount of the workpiece 120 that is spread in the lateral direction by being rolled by the rough rolling mill 105 based on the plate width calculated value W AC EO and the first width W EI. Then, it is calculated as the actual spread value calculation value (step S203).
  • the actual width expansion amount calculated value ⁇ W AC DHt is expressed by the following (Equation 3). Is done. Accordingly, the actual result calculation unit 200a uses (Formula 3) to calculate the actual width expansion amount actual value ⁇ W AC based on the plate width calculated value W AC EO calculated in step S202 and the first width W EI. DHt is calculated.
  • the result calculation unit 200a determines whether or not the second width WMO is supplied from the second width measurement unit 106 (step S204).
  • step S204 when it is determined that the second width WMO is supplied (in the case of YES), the actual result calculation unit 200a determines the plate width calculation value based on the W AC EO and the second width W MO. Using the following (Equation 4), the actual value of the width spread amount of the workpiece 120 that has spread in the lateral direction by being rolled by the rough rolling mill 105 is calculated as the width spread amount actual value ⁇ W ACT DHt (step) S205).
  • the actual result calculation unit 200a determines the difference in the widening amount based on the actual width expansion amount calculated value ⁇ W AC DHt calculated in step S203 and the actual width expansion amount value ⁇ W ACT DHt calculated in step S205. Is calculated by using the following (Equation 5) as the spread amount deviation ⁇ W ERR DHt (step S206).
  • ⁇ W ERR DHt ⁇ W AC DHt - ⁇ W ACT DHt ⁇ ( Equation 5)
  • ⁇ W ACT DHt has a linear relationship with the gap deviation in terms of phenomenon, an error is steadily generated when the zero point adjustment is not performed correctly.
  • the model calculation is corrected by the automatic learning function of the control device 200 so that there is no error, but this requires time (the number of rolled workpieces).
  • the output control unit 200b of the control device 200 causes the display unit 201 to display the width spread amount deviation ⁇ W ERR DHt calculated in step S206 (step S207).
  • FIG. 7 is a diagram illustrating an example of the width spread amount deviation ⁇ W ERR DHt displayed on the display unit 201 by the output control unit 200b.
  • the display screen 301 shown in FIG. 7 the number of workpieces t from a certain point in time is shown on the x axis, and the width spread amount deviation ⁇ W ERR DHt is shown on the y axis.
  • the spread width deviation ⁇ W ERR DHt 302 with respect to the number of workpieces t from a certain point is displayed in real time on the display screen 301.
  • the output control unit 200b determines whether or not ⁇ W ERR DHt calculated in step S206 exceeds a threshold value W th (step S208).
  • step S208 When it is determined in step S208 that ⁇ W ERR DHt exceeds the threshold value W th , the output control unit 200b warns of an abnormality (step S207).
  • the width spread amount deviation ⁇ W ERR DHt 302 exceeds the width spread amount deviation ⁇ W ERR DHt , and at this time, the output control unit 200b warns of an abnormality.
  • the display unit 201 may display a warning “Zero point deviation has occurred.”
  • the audio output unit 202 may issue a warning message “Zero point deviation has occurred.” You may make it report.
  • control apparatus 200 includes a learning function for performing feedback control for setting a gap based on the actual width expansion amount value ⁇ W ACT DHt calculated in step S205, a width expansion amount deviation ⁇ W ERR DHt 303 is illustrated. As described above, the value of the width spread amount deviation ⁇ W ERR DHt is gradually reduced.
  • the first width W EI measured by the first width measurement unit 102 and the load measurement unit 103m are used for measurement.
  • load F that is, based on the gap S E, which is measured by the gap measuring unit 103k, calculates the width of the workpiece 120 at the inlet of the rough rolling mill 105 as the plate width calculating values W EO, calculated plate width Based on the calculated value W EO and the second width W MO measured by the second width measuring unit 106, the amount of the width spread of the workpiece 120 spread laterally by being rolled by the rough rolling mill 105.
  • the actual value is calculated as the width spread amount actual value ⁇ W ACT DHt , and based on the calculated plate width calculated value W EO and the first width W EI measured by the first width measuring unit 102, Rough rolling mill 10 Wide rising amount of the calculated values, and the actual calculating unit 200a that calculates a wider rising amount actual calculated value [Delta] W AC DHT, wide rising amount calculated by the actual calculation section 200a of the work 120 extending laterally by being rolled by Since the output control unit 200b that displays the difference between the actual value ⁇ W ACT DHt and the actual spread amount actual calculation value ⁇ W AC DHt is provided on the display unit 201, the first edger mill 103 and the rough rolling mill 105 perform rolling. The amount of spread of the workpiece 120 can be monitored.
  • the reference position adjustment monitoring apparatus 1 it is monitored whether there is any deviation in the amount of spread of the workpiece 120 rolled by the first edger mill 103 and the rough rolling mill 105 described above. And a monitoring process for monitoring whether there is a deviation in the amount of spread of the workpiece 120 rolled by the second edger mill 109 and the finish rolling mill 110.
  • FIG. 8 is a schematic diagram illustrating the monitoring process in the second edger mill 109 and the finishing rolling mill 110 of the reference position adjustment monitoring apparatus 1 according to the first embodiment of the present invention.
  • the result calculation unit 200a measures the third width W EI measured by the third width measurement unit 107, the load F measured by the load measurement unit 109m, and the gap measurement unit 109k. based on the has been a gap S E, finish the width of the workpiece 120 at the inlet of the rolling mill 110 is calculated as the sheet width calculated value W EO, a plate width calculation value W EO calculated, the fourth width measurement section Based on the fourth width W MO measured by 111, the actual value of the width spread amount of the workpiece 120 that has spread in the lateral direction by being rolled by the finish rolling mill 110 is obtained as the width spread amount actual value ⁇ W ACT DHt.
  • the output control unit 200b causes the display unit 201 to display the difference between the width expansion amount actual value ⁇ W ACT DHt calculated by the result calculation unit 200a and the width expansion amount actual calculation value ⁇ W AC DHt .
  • step S202 actual calculation unit 200a includes a first width W EI supplied, and the load F, on the basis of the gap S E, the plate of the workpiece 120 at the inlet of the rough rolling mill 105 of the workpiece 120
  • ⁇ W t is calculated based on the tension ⁇ and the temperature T.
  • the performance calculation unit 200 a calculates the tension ⁇ based on the value of a load meter that measures the load of the fourth roll of the finish rolling mill 110, or the finish rolling mill 110 in order to improve the sheet passing property of the workpiece 120.
  • the tension ⁇ is calculated on the basis of the output value of a looper (not shown) provided in the.
  • the performance calculation part 200a measures the temperature T with the thermometer with which the finishing rolling mill 110 was equipped.
  • the spread amount of the workpiece 120 rolled by the second edger mill 109 and the finish rolling mill 110 is further monitored. can do.
  • the present invention can be applied to a hot rolling system for rolling a metal hot.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

Le dispositif de contrôle et de réglage d'une position de référence (1) est équipé d'une unité de serrage (103c), destinée à un broyeur à meule (103) qui lamine une pièce à usiner (120) horizontalement et qui serre une plaque de référence façonnée aux dimensions d'un intervalle de référence (Gb) entre une paire de rouleaux (103b) ; d'une unité d'entraînement de plaque de référence (3) qui insère une plaque de référence (A) entre la paire de rouleaux (103b) ou extrait la plaque de référence insérée (A) de celle-ci ; d'une unité de mesure de charge (103m) qui mesure la charge appliquée à une paire de premiers rouleaux (103b) ; d'une unité de mesure d'intervalle (103k) qui mesure un intervalle (G) entre la paire de premiers rouleaux (103b) ; et d'une unité de réglage du point zéro (200c) qui effectue le réglage du point zéro pour l'unité de mesure d'intervalle (103k), sur la base de la charge mesurée quand la plaque de référence (A) est insérée entre la paire de rouleaux (103b) par l'unité d'entraînement de plaque de référence (3) et quand la paire de rouleaux (103b) et la plaque de référence (A) sont en contact.
PCT/JP2009/056147 2009-03-26 2009-03-26 Dispositif de contrôle et de réglage d'une position de référence WO2010109637A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2009/056147 WO2010109637A1 (fr) 2009-03-26 2009-03-26 Dispositif de contrôle et de réglage d'une position de référence
KR1020117020977A KR101320717B1 (ko) 2009-03-26 2009-03-26 기준 위치 조정 감시 장치
JP2011505760A JP5261573B2 (ja) 2009-03-26 2009-03-26 基準位置調整監視装置
CN200980158597.XA CN102365134B (zh) 2009-03-26 2009-03-26 基准位置调整监视装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2009/056147 WO2010109637A1 (fr) 2009-03-26 2009-03-26 Dispositif de contrôle et de réglage d'une position de référence

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WO2010109637A1 true WO2010109637A1 (fr) 2010-09-30

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KR (1) KR101320717B1 (fr)
CN (1) CN102365134B (fr)
WO (1) WO2010109637A1 (fr)

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CN103191918A (zh) * 2012-01-06 2013-07-10 宝山钢铁股份有限公司 热连轧带钢生产工艺
JP2018051628A (ja) * 2016-09-27 2018-04-05 Ｊｆｅスチール株式会社 圧延制御方法、鋼板の製造方法、圧延制御装置および鋼板の製造装置
WO2021156424A1 (fr) * 2020-02-06 2021-08-12 Sms Group Gmbh Procédé d'étalonnage automatique de rouleaux verticaux d'une cage de laminoir verticale et système d'étalonnage pour mettre en œuvre ce procédé

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US10668514B2 (en) * 2015-03-10 2020-06-02 Toshiba Mitsubishi-Electric Industrial Systems Corporation Plate width control device for material to be rolled

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JP2005224853A (ja) * 2004-02-16 2005-08-25 Nippon Steel Corp 竪圧延機のロール開度の零点設定方法

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JP2968647B2 (ja) * 1992-07-20 1999-10-25 新日本製鐵株式会社 熱間圧延における板幅制御法
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JPH0890030A (ja) * 1994-09-26 1996-04-09 Kawasaki Steel Corp 圧延材の板幅制御方法
JP3260616B2 (ja) * 1996-02-20 2002-02-25 株式会社東芝 熱間圧延機の板幅制御装置
JP2005224853A (ja) * 2004-02-16 2005-08-25 Nippon Steel Corp 竪圧延機のロール開度の零点設定方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103191918A (zh) * 2012-01-06 2013-07-10 宝山钢铁股份有限公司 热连轧带钢生产工艺
JP2018051628A (ja) * 2016-09-27 2018-04-05 Ｊｆｅスチール株式会社 圧延制御方法、鋼板の製造方法、圧延制御装置および鋼板の製造装置
WO2021156424A1 (fr) * 2020-02-06 2021-08-12 Sms Group Gmbh Procédé d'étalonnage automatique de rouleaux verticaux d'une cage de laminoir verticale et système d'étalonnage pour mettre en œuvre ce procédé
WO2021156427A1 (fr) * 2020-02-06 2021-08-12 Sms Group Gmbh Procédé d'étalonnage de rouleaux verticaux d'une cage de laminoir vertical et ensemble d'étalonnage pour la mise en œuvre du procédé
WO2021156425A1 (fr) * 2020-02-06 2021-08-12 Sms Group Gmbh Procédé d'étalonnage de rouleaux verticaux d'une cage de laminoir vertical et ensemble d'étalonnage pour la mise en œuvre du procédé
JP2023513183A (ja) * 2020-02-06 2023-03-30 エス・エム・エス・グループ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 垂直圧延スタンドの垂直ローラを自動的に較正する方法及び方法を実施する較正装置
JP7429302B2 (ja) 2020-02-06 2024-02-07 エス・エム・エス・グループ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 垂直圧延スタンドの垂直ローラを自動的に較正する方法及び方法を実施する較正装置

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JPWO2010109637A1 (ja) 2012-09-27
KR101320717B1 (ko) 2013-10-21
CN102365134A (zh) 2012-02-29
JP5261573B2 (ja) 2013-08-14
KR20110124767A (ko) 2011-11-17
CN102365134B (zh) 2014-02-19

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