WO2016143068A1 - 圧延材の板幅制御装置 - Google Patents
圧延材の板幅制御装置 Download PDFInfo
- Publication number
- WO2016143068A1 WO2016143068A1 PCT/JP2015/056991 JP2015056991W WO2016143068A1 WO 2016143068 A1 WO2016143068 A1 WO 2016143068A1 JP 2015056991 W JP2015056991 W JP 2015056991W WO 2016143068 A1 WO2016143068 A1 WO 2016143068A1
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- WIPO (PCT)
- Prior art keywords
- rolled material
- rolling mill
- width
- amount
- vertical rolling
- Prior art date
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- 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
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/58—Roll-force control; Roll-gap control
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
- G05B19/27—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an absolute digital measuring device
- G05B19/29—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an absolute digital measuring device for point-to-point control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/02—Transverse dimensions
- B21B2261/06—Width
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2265/00—Forming parameters
- B21B2265/12—Rolling load or rolling pressure; roll force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2271/00—Mill stand parameters
- B21B2271/02—Roll gap, screw-down position, draft position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2275/00—Mill drive parameters
- B21B2275/10—Motor power; motor current
- B21B2275/12—Roll torque
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/416—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control of velocity, acceleration or deceleration
- G05B19/4163—Adaptive control of feed or cutting velocity
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/37—Measurements
- G05B2219/37398—Thickness
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/43—Speed, acceleration, deceleration control ADC
- G05B2219/43124—Adapt speed as function of material, thickness, depth, volume, width, uniform surface quality
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45201—Crowned roll machining
Definitions
- This invention relates to a sheet width control device for rolled material.
- Patent Document 1 discloses a sheet width control device for rolled material.
- the sheet width control device controls the gap amount of the vertical rolling mill so that the deviation amount of the width of the rolled material is eliminated based on the estimated value of the deviation amount of the width of the rolled material in the vertical rolling mill.
- An object of the present invention is to provide a plate width control device that can improve the accuracy of the width of a rolled material.
- the rolled material is rolled in the width direction of the rolled material by a vertical rolling mill.
- An estimated value of the deviation amount of the width of the rolling material in the vertical rolling mill is calculated based on the deviation amount of the rolling load on the rolling material by the vertical rolling mill, and the tip of the rolling material is calculated based on the torque of the vertical rolling mill.
- An arithmetic unit for calculating an estimated value of the amount of breadth of the rolled material when being bitten by the horizontal rolling mill, and a deviation of the width of the rolled material based on the estimated value of the deviation amount of the width of the rolled material in the vertical rolling mill The amount of gap of the vertical rolling mill is controlled so that the amount disappears, and when the tip of the rolled material is bitten into the horizontal rolling mill, the vertical rolling mill And a control unit for compensating for the gap amount. It was.
- the rolled material is rolled in the width direction of the rolled material by a vertical rolling mill.
- a calculation model corresponding to the vertical rolling mill and the horizontal rolling mill by calculating an estimated value of the deviation amount of the width of the rolling material in the vertical rolling mill based on the deviation amount of the rolling load on the rolled material by the vertical rolling mill.
- a calculation unit for calculating an estimated value of the width of the rolled material when the tip of the rolled material is bitten into the horizontal rolling mill, and an estimated value of the deviation of the width of the rolled material in the vertical rolling mill Based on the above, the gap amount of the vertical rolling mill is controlled so that the deviation amount of the width of the rolled material is eliminated, and the amount of spread of the rolled material is estimated when the tip of the rolled material is caught in the horizontal rolling mill Based on the value of the vertical rolling mill A control unit for compensating the flop amount, with a.
- the gap amount of the vertical rolling mill is compensated based on the estimated value of the amount of spread of the width of the rolled material. For this reason, the precision of the width
- FIG. FIG. 1 is a configuration diagram of a rolling system to which a strip width control device for rolled material according to Embodiment 1 of the present invention is applied.
- the roughing mill 1 includes a vertical rolling mill 2 and a horizontal rolling mill 3.
- the vertical rolling mill 2 is provided on the upstream side of the rough rolling mill 1.
- the horizontal rolling mill 3 is provided on the downstream side of the rough rolling mill 1.
- thermometer 4 is provided on the upstream side of the roughing mill 1.
- the width meter 5 is provided on the downstream side of the rough rolling mill 1.
- the drive device 6 is provided in the vertical rolling mill 2.
- the load cell 7 is provided in the vertical rolling mill 2.
- the plate width control device 8 includes a calculation unit 8a and a control unit 8b.
- the input unit of the calculation unit 8 a is connected to the output unit of the thermometer 4, the output unit of the width meter 5, the output unit of the drive device 6, and the output unit of the load cell 7.
- the input unit of the control unit 8b is connected to the output unit of the calculation unit 8a.
- the output part of the control part 8b is connected to the input part of the actuator (not shown) of the vertical rolling mill 2.
- the rolled material 9 is conveyed from the upstream side toward the downstream side.
- the thermometer 4 measures the temperature of the rolled material 9.
- the vertical rolling mill 2 rolls the rolled material 9 in the width direction of the rolled material 9.
- the load cell 7 measures the rolling load on the rolled material.
- the calculation unit 8 a calculates the amount of change in the temperature of the rolled material 9 based on the measurement value of the thermometer 4.
- the calculation unit 8 a calculates the deviation amount of the rolling load applied to the rolled material 9 based on the measurement value of the load cell 7.
- the calculation unit 8 a calculates an estimated value of the deviation amount of the width of the rolled material 9 based on the amount of change in the temperature of the rolled material 9 and the deviation amount of the rolling load applied to the rolled material 9.
- the control unit 8b controls the gap amount of the vertical rolling mill 2 based on the estimated value of the deviation amount of the width of the rolled material 9 calculated by the calculation unit 8a.
- the speed of the rolled material 9 is higher than the speed of the horizontal rolling mill 3.
- the biting failure of the rolling material 9 in the horizontal rolling mill 3 is suppressed.
- the slip of the rolled material 9 is suppressed.
- the calculation unit 8a calculates the value of the torque of the vertical rolling mill 2 based on the value obtained by feedback from the drive device 6. For example, the calculation unit 8 a calculates the torque value of the vertical rolling mill 2 based on the current flowing through the drive device 6. The calculation unit 8 a calculates an estimated value A (mm) of the amount of spread of the rolled material 9 when the tip of the rolled material 9 is bitten into the horizontal rolling machine 3 based on the torque value of the vertical rolling machine 2. To do.
- the estimated value A is calculated by the following equation (1).
- ET is the torque (N ⁇ m) of the vertical rolling mill 2.
- EG is a gear ratio of the vertical rolling mill 2.
- ER is the radius (m) of the roll of the vertical rolling mill 2.
- t is the thickness (mm) of the rolled material 9.
- w is the width (mm) of the rolled material 9.
- E is the Young's modulus (N / mm 2 ) of the rolled material 9.
- ⁇ is the Poisson's ratio of the rolled material 9.
- M is a mill constant of the vertical rolling mill 2.
- Q is a plasticity coefficient of the rolled material 9.
- G is a gain.
- the control unit 8b compensates the gap amount of the vertical rolling mill 2 based on the estimated value A. As a result, the breadth of the rolled material is suppressed.
- the horizontal rolling mill 3 rolls the rolled material 9 in the thickness direction of the rolled material 9.
- the width meter 5 measures the width of the rolled material 9.
- the calculation unit 8 a calculates a correction value for the width deviation amount of the rolled material 9 based on the measurement value of the width meter 5.
- the control unit 8b controls the gap amount of the vertical rolling mill 2 based on the estimated value and the correction value of the width deviation amount of the rolled material 9 calculated by the calculation unit 8a.
- FIG. 2 is a hardware configuration diagram of a rolled material sheet width control apparatus according to Embodiment 1 of the present invention.
- the plate width control device 8 includes an input circuit 10, an output circuit 11, and a processing circuit 12.
- the input circuit 10 includes an output unit of a thermometer 4 (not shown in FIG. 2), an output unit of a width meter 5 (not shown in FIG. 2), and a drive device 6 (not shown in FIG. 2).
- the output unit is connected to the output unit of the load cell 7 (not shown in FIG. 2).
- the output circuit 11 is connected to the input part of the actuator of the vertical rolling mill 2 (not shown in FIG. 2).
- the processing circuit 12 includes a processor 12a and a memory 12b.
- the calculation by the calculation unit 8a and the control by the control unit 8b in FIG. 1 are realized by at least one processor 12a executing a program stored in at least one memory 12b.
- FIG. 3 is a timing chart for explaining the control of the strip width of the rolled material in the strip width control device of the rolled material according to Embodiment 1 of the present invention.
- the third row from the top in FIG. 3 is a chart for explaining the timing for compensating the width of the rolled material 9 by the plate width control device 8.
- the fourth row from the top in FIG. 3 is a chart for explaining the timing for starting the measurement of the width of the rolled material 9 by the width meter 5.
- the bottom row in FIG. 3 is a chart for explaining the timing at which the width deviation of the rolled material 9 measured by the width meter 5 changes.
- the vertical rolling mill 2 starts rolling the rolled material 9. Thereafter, time t1 has elapsed and time T2 is reached. At this time, the horizontal rolling mill 3 starts rolling the rolling material 9. As a result, the tip of the rolled material 9 is caught in the horizontal rolling mill 3.
- the plate width control device 8 performs tracking on the tip of the rolled material 9 so that the response of the gap amount of the vertical rolling mill 2 is not delayed.
- the plate width control device 8 corresponds to the vertical rolling mill 2 by the gap amount of the vertical rolling mill 2 corresponding to the estimated value A of the amount of spread of the strip width of the rolled material 9 at time T2 based on the tracking result. Tighten the actuator. Thereafter, the sheet width control device 8 outputs a control command to the actuator of the vertical rolling mill 2 so that the gap amount of the vertical rolling mill 2 gradually returns to the original amount.
- the width gauge 5 starts measuring the width of the rolled material 9. At this time, the deviation of the width of the rolled material 9 becomes relatively large. Thereafter, the deviation of the width of the rolled material 9 is rapidly stabilized.
- the estimated value A of the width spread amount of the rolled material 9 is calculated based on the torque value of the vertical rolling mill 2 obtained by feedback from the drive device 6 of the vertical rolling mill 2. For this reason, the precision of the width
- an estimated value of the amount of spread of the rolled material 9 when the tip of the rolled material 9 is bitten into the horizontal rolling mill 3 is calculated. May be.
- the relationship between the type of material to be the rolled material 9, the thickness of the rolled material 9, the width of the rolled material 9, and the amount of spread of the rolled material 9 when it is bitten by the horizontal rolling mill 3 is actually hot rolled. You may obtain
- the strip width control device for rolled material according to the present invention can be used in a system for improving the accuracy of the width of the rolled material.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Metal Rolling (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
図1はこの発明の実施の形態1における圧延材の板幅制御装置が適用された圧延システムの構成図である。
図2はこの発明の実施の形態1における圧延材の板幅制御装置のハードウェア構成図である。
図3はこの発明の実施の形態1における圧延材の板幅制御装置に圧延材の板幅の制御を説明するためのタイミングチャートである。
Claims (3)
- 垂直圧延機により圧延材の幅方向に圧延材を圧延して水平圧延機により圧延材の厚さ方向に圧延材を圧延する圧延システムにおいて、前記垂直圧延機による圧延材への圧延荷重の偏差量に基づいて前記垂直圧延機における圧延材の幅の偏差量の推定値を演算し、前記垂直圧延機のトルクに基づいて圧延材の先端が前記水平圧延機に噛み込まれる際の圧延材の幅の広がり量の推定値を演算する演算部と、
前記垂直圧延機における圧延材の幅の偏差量の推定値に基づいて圧延材の幅の偏差量がなくなるように前記垂直圧延機のギャップ量を制御し、前記圧延材の先端が前記水平圧延機に噛み込まれる際に圧延材の幅の広がり量の推定値に基づいて前記垂直圧延機のギャップ量を補償する制御部と、
を備えた圧延材の板幅制御装置。 - 前記演算部は、前記垂直圧延機のドライブ装置からのフィードバックにより得られた前記垂直圧延機のトルクの値に基づいて圧延材の先端が前記水平圧延機に噛み込まれる際の圧延材の幅の広がり量の推定値を演算する請求項1に記載の圧延材の板幅制御装置。
- 垂直圧延機により圧延材の幅方向に圧延材を圧延して水平圧延機により圧延材の厚さ方向に圧延材を圧延する圧延システムにおいて、前記垂直圧延機による圧延材への圧延荷重の偏差量に基づいて前記垂直圧延機における圧延材の幅の偏差量の推定値を演算し、前記垂直圧延機と前記水平圧延機とに対応した計算モデルに基づいて圧延材の先端が前記水平圧延機に噛み込まれる際の圧延材の幅の広がり量の推定値を演算する演算部と、
前記垂直圧延機における圧延材の幅の偏差量の推定値に基づいて圧延材の幅の偏差量がなくなるように前記垂直圧延機のギャップ量を制御し、前記圧延材の先端が前記水平圧延機に噛み込まれる際に圧延材の幅の広がり量の推定値に基づいて前記垂直圧延機のギャップ量を補償する制御部と、
を備えた圧延材の板幅制御装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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BR112017011610-3A BR112017011610B1 (pt) | 2015-03-10 | 2015-03-10 | Dispositivo de controle de largura de placa para material a ser laminado |
PCT/JP2015/056991 WO2016143068A1 (ja) | 2015-03-10 | 2015-03-10 | 圧延材の板幅制御装置 |
CN201580074011.7A CN107206444B (zh) | 2015-03-10 | 2015-03-10 | 轧材的板宽控制装置 |
US15/534,167 US10668514B2 (en) | 2015-03-10 | 2015-03-10 | Plate width control device for material to be rolled |
KR1020177021289A KR102002237B1 (ko) | 2015-03-10 | 2015-03-10 | 압연재의 판 폭 제어 장치 |
JP2017504483A JP6394782B2 (ja) | 2015-03-10 | 2015-03-10 | 圧延材の板幅制御装置 |
TW104119721A TWI583455B (zh) | 2015-03-10 | 2015-06-18 | 軋延材的板寬控制裝置 |
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PCT/JP2015/056991 WO2016143068A1 (ja) | 2015-03-10 | 2015-03-10 | 圧延材の板幅制御装置 |
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JP (1) | JP6394782B2 (ja) |
KR (1) | KR102002237B1 (ja) |
CN (1) | CN107206444B (ja) |
BR (1) | BR112017011610B1 (ja) |
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CN108817098B (zh) * | 2018-04-26 | 2020-02-21 | 首钢京唐钢铁联合有限责任公司 | 一种热轧工艺控制方法及装置 |
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Patent Citations (5)
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US3798940A (en) * | 1973-02-02 | 1974-03-26 | Steel Corp | Rolling mill control system |
JPS57130710A (en) * | 1981-02-06 | 1982-08-13 | Nippon Kokan Kk <Nkk> | Automatic controlling method for sheet breadth in hot roughing mill |
JPS6171118A (ja) * | 1984-09-14 | 1986-04-12 | Kawasaki Steel Corp | エツジヤ−ミルロ−ルの開度修正制御方法 |
JPS61232011A (ja) * | 1985-04-05 | 1986-10-16 | Kawasaki Steel Corp | エツジヤロ−ルによる板幅制御方法及び装置 |
DE19744504A1 (de) * | 1997-10-09 | 1999-04-22 | Schloemann Siemag Ag | Walzverfahren für Bandmaterial in einer Walzstraße und Walzstraße für Bandmaterial |
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KR20170117398A (ko) | 2017-10-23 |
JPWO2016143068A1 (ja) | 2017-08-31 |
US20170341117A1 (en) | 2017-11-30 |
CN107206444B (zh) | 2019-10-18 |
TW201632276A (zh) | 2016-09-16 |
JP6394782B2 (ja) | 2018-09-26 |
CN107206444A (zh) | 2017-09-26 |
BR112017011610A2 (ja) | 2018-01-16 |
US10668514B2 (en) | 2020-06-02 |
BR112017011610B1 (pt) | 2022-12-13 |
TWI583455B (zh) | 2017-05-21 |
KR102002237B1 (ko) | 2019-07-19 |
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