WO2017111216A1 - 스트립 형상 교정장치 및 방법 - Google Patents
스트립 형상 교정장치 및 방법 Download PDFInfo
- Publication number
- WO2017111216A1 WO2017111216A1 PCT/KR2016/004776 KR2016004776W WO2017111216A1 WO 2017111216 A1 WO2017111216 A1 WO 2017111216A1 KR 2016004776 W KR2016004776 W KR 2016004776W WO 2017111216 A1 WO2017111216 A1 WO 2017111216A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shape
- strip
- target
- tension
- elongation
- Prior art date
Links
Images
Classifications
-
- 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
- B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
-
- 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
- B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
Definitions
- the present invention relates to a strip shape correction apparatus and method for improving the shape correction of the strip in the hot rolling process.
- the hot rolling process 10 moves a strip S maintained at a predetermined temperature or more, and produces a strip S having a thickness to be rolled as a plurality of rollings are performed. It is a process to do it.
- the strip S passed through the finishing mill 12 is supplied to the cooling zone 14, and in the cooling zone 14, the cooling water flows directly to make a constant temperature, thereby making the desired strip S ) Properties can be secured.
- tension S is generated by the coiler pinch roll 16 of the strip S passing through the cooling zone 14 and wound around the mandrel 18 via the coiler pinch roll 16.
- the strip (S) may cause some shape difference in the hot rolling process, the strip (S) wound on the mandrel 18 is required to correct the shape.
- the strip S is moved to a separate shape correction process 30 to correct the shape, and then the shape of the strip S is corrected. You will go through the process.
- Conventional shape correction process (30) is to transfer the coil to the correction process that is a post-process for the coil wound, and the re-rolling weakly through the rolling mill 32 while unwinding the coil to correct the shape of the double process It is included.
- the roller leveler is used when the light rolling mill is not used, which is limited in space as the equipment cost and the installation space are required as a plurality of rollers are used. As the strips S pass through the rollers, obstacles occur in the advancing direction of the strips S, causing problems in high-speed operation.
- One embodiment of the present invention is to provide a strip shape correction apparatus and method for the process of straightening the shape of the strip in the hot rolling process to proceed continuously.
- Strip shape correcting apparatus is provided on the mouth side of the mandrel winding the hot rolled strip to correct the shape of the strip, measuring the shape of the strip supplied to the mouth side of the mandrel A first shape measuring unit;
- the target reduction is set to the pressure reduction roll arranged to press the strip so that the shape of the strip measured in the first shape measuring unit is corrected to the shape that the strip targets based on the reduction force and the elongation due to tension on the strip.
- Shape correction unit for correcting the shape of the strip by pressing the force;
- a second shape measuring unit measuring a shape of the strip corrected by the shape correcting unit;
- a shape correcting unit configured to control a pressing force and a tension of the shape correcting unit with respect to the strip so that the shape of the strip measured by the second shape measuring unit corresponds to a target shape.
- the shape corrector may include a pressure measuring sensor for measuring a pressing force for pressing the strip, a tension measuring sensor for measuring the tension of the strip that is pressed against the pressing roll, and the pressure measuring sensor and the tension measuring sensor. It may include a control unit for setting a target pressing force by using, and controls to press the strip by the target pressing force.
- the tension measuring sensor may include a torque sensor.
- the pressing rolls are paired so as to face each other in the width direction of the strip and at least one vertical down rolls arranged in pairs to face each other on the top, bottom of the strip so as to pressurize the strip to be transported It may include at least one width direction rolling roll disposed.
- the shape correction unit is a load of the pressing roll to roll down the strip from the top, the lower side is 300 to 1,000 tons, the down load in the width direction for correcting the shape of the width direction of the strip is 50 to 200 tons,
- the elongation of the strip can be 0-4%.
- the strip shape correction method is a strip shape correction method of the hot rolling process to correct the shape of the strip in the process of winding the hot rolled strip, at the entrance side of the mandrel winding the strip
- a first measuring step of measuring a shape of the strip A target reduction force setting step of setting a target reduction force for correcting the shape of the strip measured in the first measurement step to a shape targeted by the strip based on the reduction force and the elongation due to tension of the strip;
- a shape correction step of correcting the target reduction force of the shape correction step by controlling the reduction force and the tension on the strip so that the shape of the strip measured in the second measurement step corresponds to the target shape.
- the target pressing force setting step may include an elongation calculation step of deriving a maximum elongation for shape correction by a difference between a maximum value and a minimum value among the flatness measurement values for each width section measured in the first measurement step, and occurring in the strip.
- Measuring the tension, and dividing the measured tension by the material modulus of elasticity of the strip to correct the tension to increase the maximum extension vehicle tension in addition to the maximum extension vehicle tension correction step, and the maximum extension vehicle tension correction step A target elongation setting step of setting a target elongation corresponding to the maximum elongation difference so as to cancel the maximum elongation corrected by the target elongation model, and a target reduction force using a step-down model to obtain a target elongation set in the target elongation setting step It may include a target pressing force calculation step of calculating a set value.
- the shape correction step may include a shape comparison step comparing the shape of the calibrated strip measured in the second measurement step with a target shape, determining whether a target reduction force is required, and a correction in the shape comparison step. If necessary, a tension correction step of correcting the tension occurring in the strip so that the target reduction force of the target reduction force setting step is corrected to offset the compared shape difference, and the tension corrected in the tension correction step is used. And correcting the elongation of each width section so that the target reduction force of the shape correction step is corrected, and correcting the value for canceling the corrected elongation to the target reduction force.
- the target reduction force corrected in the shape correction step may satisfy the following equation.
- F n is the reduction force of the n-th width zone
- ⁇ F n is the reduction force correction value of the n-th width zone
- f R (F) is a pressure reduction model as a function to calculate the elongation for the reduction force (F)
- Y avg represents the average elongation of the entire width section
- Y n represents the elongation of the nth width section.
- the process of straightening the strip is continuously carried out in a batch, so that a separate process for calibrating the strip is unnecessary, thereby reducing work time and improving productivity. This can contribute to overall cost savings.
- 1 is a schematic view showing a process of calibrating a strip after a conventional hot rolling process.
- Figure 2 is a block diagram showing a strip shape correction apparatus according to an embodiment of the present invention.
- Figure 3 is a block diagram showing a strip shape correction apparatus according to another embodiment of the present invention.
- Figure 4 is a flow chart illustrating a strip shape correction method according to another embodiment of the present invention.
- Figure 5 is a flow chart illustrating a target pressing force setting step of the strip shape correction method according to another embodiment of the present invention.
- Figure 6 is a flow chart showing the shape correction step of the strip shape correction method according to another embodiment of the present invention.
- FIG. 2 is a block diagram showing a strip shape correction apparatus according to an embodiment of the present invention.
- the strip shape correction apparatus 150 of the hot rolling process of the present embodiment may be provided in the strip hot rolling process 100.
- the strip S passed through the finishing mill 112 is supplied to the cooling zone 114, and in the cooling zone 114, the cooling water flows directly under the constant temperature to thereby create a desired temperature. It can secure the nature of.
- the strip (S) passing through the cooling zone 114 is pressed down by the shape correcting unit 160, specifically, the rolling roll 164 of the strip shape correction device 150 of the present embodiment, after the shape is corrected, It is finally wound up in the mandrel 118.
- the strip shape correction apparatus 150 of the hot rolling process of the present embodiment may include a first shape measurement unit 152, a shape correction unit 160, a second shape measurement unit 154, and a shape correction unit. .
- the first shape measuring unit 152 may be provided at the inlet side of the mandrel 118 winding the hot rolled strip S, and the strip S passing through the finishing mill 112 and the cooling zone 114. ), It is possible to measure the wave shape, through which the overall widthwise shape of the strip (S) can be measured.
- the shape correcting unit 160 may be provided at the rear end of the first shape measuring unit 152, and according to the shape of the strip S measured by the first shape measuring unit 152.
- the strip S may be pressurized by the target reduction force set in consideration of the reduction force and the tension to correct the strip S to a target shape.
- the shape correction unit 160 calculates the minimum elongation required for shape correction according to the information of the strip S measured by the first shape measurement unit 152. By controlling the pulling force and the tension generated in the strip (S) it is possible to adjust the elongation required to change the shape, it is possible to correct the shape of the strip (S).
- the shape correction unit 160 may include a pressure measuring sensor for measuring a pressing force for pressing the strip (S), and a tension measuring sensor 156 for measuring the tension of the strip (S).
- the tension measuring sensor 156 may be a torque sensor that measures the torque of the mandrel 118 and estimates the tension using the torque.
- the torque sensor may measure the torque generated while the rolling roll presses the strip S, and may estimate the tension generated in the strip S by using the same.
- the tension measuring sensor 156 may correct the tension measured by the torque sensor with a material modulus of elasticity when estimating tension using the torque sensor.
- the shape correction unit 160 considers the pressure of the strip S measured by the pressure measuring sensor and the tension applied to the strip S measured by the tension measuring sensor 156 in consideration of the shape of the strip S. It is possible to adjust the elongation that is actually given to the strip (S) to obtain a target elongation for correcting, by using the shape correction unit 160 to control the reduction force to press the strip (S) to the target reduction force
- the controller 162 may be included.
- the shape correcting unit 160 may include at least one up-down rolling roll 164 disposed in pairs so as to face each other on the upper and lower portions of the strip S so as to press the transferred strip S.
- the up and down rolling roll 164 may control a load for pressing the strip S by the controller 162.
- the shape correction unit 160 in addition to the upper and lower rolling rolls 164, the width direction (not shown) provided on both sides in the width direction of the strip S to control the width direction shape of the strip S. It may further comprise a rolling roll.
- the shape correcting unit 160 may have a load of the pressing roll 164, specifically, the vertical rolling roll 164 pressing down the strips S and 300 to 1,000 tons.
- the shape correcting unit 160 may be 50 to 200 tons of the pressure reducing roll 164, specifically, the width direction pressing roll to press the strip S in the width direction.
- the shape correction unit 160 may correct the shape of the strip S by using the up and down rolling roll 164 and the width rolling roll, and the elongation of the strip S may be 0 to 4%. Can be controlled.
- a second shape measuring unit 154 may be provided at the rear end of the shape correcting unit 160 to measure the shape of the corrected strip S before being wound around the mandrel 118.
- the second shape measuring unit 154 may measure the wave shape of the strip S that has been corrected through the shape correcting unit 160, thereby measuring the overall width direction shape of the strip S.
- the target reduction ratio of the shape correction unit may be corrected by the shape correcting unit.
- the shape corrector determines whether the shape of the corrected strip S measured by the second shape measurer 154 corresponds to the target shape, and based on this, the shape corrector 160 of the strip S is determined.
- the controller 162 may control the reduction force and the tension to correct the target reduction force.
- the control unit 162 of the shape correction unit may be separately provided or shared with the control unit 162 of the shape correction unit.
- the shape correction unit may include a vertical down roll 164 provided by the controller 162 to push down the strip S, where the vertical down roll 164 is the second shape measuring unit 154. It may be provided at the rear end of), preferably, it is also possible to correct the shape of the strip (S) by using the up-down rolling roll 164 of the shape correction unit 160.
- the target reduction force corrected by the shape correction unit is transmitted to the shape correction unit 160 again to continuously correct the reduction force applied to the strip S.
- the up-down rolling roll 164 provided to the shape correction unit 160 is installed at the mouth side of the mandrel 118 in the hot rolling process to guide the winding of the script and generate tension in the coiler pinch.
- the shape of the hot rolling process and shape correction is not limited and may be variously modified.
- FIG. 3 is a block diagram showing a strip shape correction apparatus according to another embodiment of the present invention.
- a separate zero pinch roll 115 is provided at the exit side of the cooling zone 114, and a separate coiler pinch at the inlet side of the mandrel 118.
- Roll 116 may be provided.
- the shape correction unit 160 of the present embodiment may be provided between the zero pinch roll 115 and the coiler pinch roll 12 so as to correct the strip S.
- the shape correction unit 160 includes a vertical pinch roll 164 that is pressed down to correct the strip S between the zero pinch roll 115 and the coiler pinch roll 12, and the zero pinch roll (
- the first shape measuring unit 152 and the second shape measuring unit 164 may be provided between the cutting roll 164, the rolling roll 164, and the coiler pinch roll 116.
- Figure 4 is a flow chart illustrating a strip shape correction method according to another embodiment of the present invention.
- the strip shape correction method of the hot rolling process 100 of the present embodiment the first measurement step (S10), the target pressing force setting step (S20), the shape correction step (S30), the second measurement A step S40 and a shape correction step S50 may be included.
- the first measuring step (S10) in the hot rolling process 100 of the strip (S) at the inlet side of the mandrel 118 winding the strip (S) passed through the finishing mill 112 and the cooling zone 114 in the hot rolling process (100).
- the shape is measured.
- the shape information of the strip S that needs to be calibrated before being wound by the mandrel 118 may be measured, and the flatness of the strip S may be calculated using the shape information.
- the target pressing force setting step (S20) is a step of setting a target pressing force for correcting the shape of the strip S measured in the first measuring step (S10) to a target shape, the strip (S)
- the target reduction force can be set based on the reduction force for and the elongation due to tension.
- FIG. 5 is a flowchart illustrating a target pressing force setting step of the strip shape correction method according to another embodiment of the present invention.
- the flatness of the strip S calculated using the formation information of the strip S measured in the above-described first measuring step S10 is actually compared to the length of the straight line in the steel plate traveling direction.
- the ratio of the length of the steel sheet is shown.
- an elongation calculation step S21 for deriving the maximum elongation needs to be performed. That is, as shown in Equation 1, when the difference between the maximum value and the minimum value among the flatness measurement values for each width section measured in the first measurement step S10 is known, a maximum elongation for shape correction may be derived.
- the maximum elongation tension correction step (S22) of correcting the maximum elongation to reflect the elongation according to the tension can be performed using this.
- the maximum extension vehicle tension correction step (S22) measures the tension generated in the strip (S), and divides the measured tension by the material elastic modulus of the strip (S) to correct the tension to the maximum extension vehicle tension in addition to the maximum extension vehicle tension Can be corrected.
- the tension generated in the strip (S) can be estimated from the torque generated when the reduction roll 164 of the shape correction portion is driven, from which the longitudinal elastic deformation of the strip (S) can be estimated.
- the longitudinal elastic deformation of the strip (S) is simply calculated in proportion to the elastic modulus and tension of the strip (S), or by using the tensile-strength curve of the strip (S) except for plastic deformation Elastic deformation can be predicted. Since the stretching difference below the elastic deformation is masked by the elastic deformation due to tension, the maximum stretching difference can be corrected by adding the elastic deformation estimated by the tension to the calculated maximum stretching difference for each width section as shown in Equation 2. .
- a target elongation rate setting step S23 for setting a target elongation rate by the maximum elongation difference corrected in the maximum elongation difference tension correction step S22 may be performed.
- the target elongation setting step (S23) a value larger than that can be set to the target elongation so as to cancel the corrected maximum elongation difference.
- the target elongation may be set to a value corresponding to the maximum arithmetic difference.
- a target pushing force calculation step S24 of calculating a target pushing force setting value using the reduced pressure model may be performed to obtain this.
- the shape correction step S30 may be performed, and the shape may be corrected by pressing the strip S with the set target pressing force.
- the shape correction step (S30) when the shape correction step (S30) is carried out, the actual corrected shape of the strip (S) is compared with the target shape, and if the actual corrected shape differs from the target shape, it is fed back to the target reduction Correction of the shape by force is required to follow the actual corrected shape.
- the present embodiment may measure the shape of the strip S corrected in the shape correction step S30 through the second measurement step S40.
- FIG. 6 is a flow chart showing the shape correction step of the strip shape correction method according to another embodiment of the present invention.
- the shape correction step S50 controls the reduction force and tension on the strip S so that the shape of the strip S measured in the second measurement step S40 corresponds to the target shape. In this way, it is possible to correct the target reduction force of the shape correction step (S30).
- the shape comparison step of comparing the shape of the calibrated strip S measured in the second measurement step S40 with the target shape, and determining whether the correction of the target pressing force is necessary as a result ( S51) may be included.
- the strip S may be corrected so that the target pushing force of the target pushing force setting step S20 is corrected to cancel the compared shape difference. It may include a tension correction step (S52) for correcting the tension generated in the).
- the elongation for each width section obtained in the shape comparison step S51 may be corrected in consideration of the tension of the strip S in the control unit 162 of the shape correction unit 160.
- the tension generated in the strip S can be estimated from the torque of the mandrel 118, from which the longitudinal elastic deformation of the strip S can be predicted.
- the longitudinal elastic deformation of the strip (S) is simply calculated in proportion to the elastic modulus and tension of the strip (S), or by using the tensile-strength curve of the strip (S) except for plastic deformation
- the elastic deformation may be predicted, and the tension may be corrected by using an equation that considers the elastic deformation of the material in the flatness calculation equations (3) and (4).
- L is the length of the material in the length space of L 0 in the width section. That is, L is the length after deformation to the actual length of the strip S and L 0 is the length before deformation to the original length of the strip S.
- L L 0 in a perfect plane, and a wave occurs, it can be a relationship of L> L 0 .
- the shape correction step (S50) is to correct the elongation for each width section so that the target pressing force of the shape correction step (S30) is corrected by using the tension corrected in the tension correction step (S52), to offset the corrected elongation
- a target pressing force calibration step S53 of correcting the value to the target pressing force may be included.
- the target reduction force corrected in the target reduction force correcting step S53 may be obtained through Equation 5 below.
- F n is the reduction force of the n-th width zone
- ⁇ F n is the reduction force correction value of the n-th width zone
- f R (F) is a pressure reduction model as a function to calculate the elongation for the reduction force (F)
- Y avg represents the average elongation of the entire width section
- Y n represents the elongation of the nth width section.
- the strip S shape correction method of the hot rolling process of the present embodiment uses the tension-free shape of the strip S by correcting the measured shape value of the strip S by the tension of the strip S.
Abstract
Description
Claims (9)
- 열간 압연된 스트립을 권취하는 맨드렐의 입측에 제공되어 상기 스트립의 형상을 교정하는 장치로서,상기 맨드렐의 입측으로 공급되는 스트립의 형상을 측정하는 제1형상 측정부;상기 제1형상 측정부에 측정된 스트립의 형상이 상기 스트립에 대한 압하력 및 장력에 의한 연신율을 근거로 상기 스트립이 목표로 하는 형상으로 교정되도록 상기 스트립을 가압하도록 배치된 압하롤을 설정된 목표 압하력으로 가압하여 상기 스트립의 형상을 교정하는 형상 교정부;상기 형상 교정부에 의해 교정된 스트립의 형상을 측정하는 제2형상 측정부; 및상기 제2형상 측정부에 측정된 스트립의 형상이 목표로 하는 형상과 대응하도록 상기 스트립에 대한 상기 형상 교정부의 압하력 및 장력을 제어하여 목표 압하력을 보정하는 형상 보정부;를 포함하는 스트립 형상 교정장치.
- 청구항 1에 있어서, 상기 형상 교정부는상기 스트립을 가압하는 압하력을 측정하는 압력측정센서와,상기 압하롤에 가압되며 이동하는 상기 스트립의 장력을 측정하는 장력측정센서와,상기 압력측정센서와 상기 장력측정센서를 이용하여 목표 압하력을 설정하고, 상기 목표 압하력으로 상기 스트립을 가압하도록 제어하는 제어부를 포함하는 스트립 형상 교정장치.
- 청구항 2에 있어서, 상기 장력측정센서는 토크센서를 포함하는 스트립 형상 교정장치.
- 청구항 1에 있어서, 상기 압하롤은이송되는 스트립을 가압할 수 있도록 상기 스트립의 상, 하부에서 서로 마주보도록 쌍을 이루며 배치되는 적어도 하나의 상하방향 압하롤과,상기 스트립의 폭방향에서 서로 마주보도록 쌍을 이루며 배치되는 적어도 하나의 폭방향 압하롤을 포함하는 스트립 형상 교정장치.
- 청구항 1 내지 청구항 4 중 어느 한 항에 있어서, 상기 형상 교정부는상기 압하롤이 상기 스트립을 상, 하방에서 압하하는 하중은 300 내지 1,000톤이고, 상기 스트립의 폭방향의 형상을 교정하는 폭방향에서 압하 하중은 50 내지 200톤이며, 상기 스트립의 연신율은 0 내지 4%인 스트립 형상 교정장치.
- 열간 압연된 스트립을 권취하는 과정에서 스트립의 형상이 교정되도록 한 열간 압연공정의 스트립 형상 교정방법으로,스트립을 권취하는 맨드렐의 입측에서 상기 스트립의 형상을 측정하는 제1측정단계;상기 제1측정단계에서 측정된 스트립의 형상이 상기 스트립에 대한 압하력 및 장력에 의한 연신율을 근거로 상기 스트립이 목표로 하는 형상으로 교정하기 위한 목표 압하력을 설정하는 목표 압하력 설정단계와,상기 목표 압하력 설정단계에서 설정된 목표 압하력을 상기 스트립을 가압하여 형상을 교정하는 형상 교정단계;상기 형상 교정단계에서 교정된 스트립의 형상을 측정하는 제2측정단계; 및상기 제2측정단계에서 측정된 스트립의 형상이 목표로 하는 형상과 대응하도록 상기 스트립에 대한 압하력 및 장력을 제어하여 상기 형상 교정단계의 목표 압하력을 보정하는 형상 보정단계;를 포함하는 열간 압연공정의 스트립 형상 교정방법.
- 청구항 5에 있어서, 상기 목표 압하력 설정단계는상기 제1측정단계에서 측정된 폭구간별 평탄도 측정값 중 최대값과 최소값의 차이로 형상 교정을 위한 최대 연신율을 도출하는 연신율 계산단계와,상기 스트립에 발생하는 장력을 측정하고, 측정된 장력을 상기 스트립의 소재탄성계수로 나눠 장력을 보정하여 최대 연신차 장력에 더하여 최대 연신차 장력을 보정하는 최대 연신차 장력보정단계와,상기 최대 연신차 장력보정단계에서 보정된 최대 연신차를 상쇄시킬 수 있도록 상기 최대 연신차와 대응하는 목표 연신율을 설정하는 목표 연신율 설정단계와,상기 목표 연신율 설정단계에서 설정된 목표 연신율을 얻기 위해 경압하 모델을 이용하여 목표 압하력 설정값을 계산하는 목표 압하력 계산단계를 포함하는 열간 압연공정의 스트립 형상 교정방법.
- 청구항 5에 있어서, 상기 형상 보정단계는상기 제2측정단계에서 측정된 교정된 스트립의 형상을 목표로 하는 형상과 비교하고, 목표 압하력의 보정이 필요한지 판단하는 형상비교단계와,상기 형상비교단계에서 보정이 필요하다고 판단되면, 비교된 형상 차이를 상쇄하기 위해 상기 목표 압하력 설정단계의 목표 압하력이 교정되도록 상기 스트립에 발생하는 장력을 교정하는 장력교정단계와,상기 장력교정단계에서 교정된 장력을 이용하여 상기 형상 교정단계의 목표 압하력이 교정되도록 폭구간별 연신율을 보정하고, 상기 보정된 연신율을 상쇄하기 위한 값을 목표 압하력으로 교정하는 목표 압하력 교정단계를 포함하는 열간 압연공정의 스트립 형상 교정방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201680075451.9A CN108602098B (zh) | 2015-12-22 | 2016-05-06 | 带钢形状矫正装置及其方法 |
DE112016005878.0T DE112016005878B4 (de) | 2015-12-22 | 2016-05-06 | Bandform-korrekturvorrichtung und -verfahren |
JP2018532214A JP2019505385A (ja) | 2015-12-22 | 2016-05-06 | ストリップ形状矯正装置及び方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150183893A KR101726088B1 (ko) | 2015-12-22 | 2015-12-22 | 스트립 형상 교정장치 및 방법 |
KR10-2015-0183893 | 2015-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017111216A1 true WO2017111216A1 (ko) | 2017-06-29 |
Family
ID=58580528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2016/004776 WO2017111216A1 (ko) | 2015-12-22 | 2016-05-06 | 스트립 형상 교정장치 및 방법 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP2019505385A (ko) |
KR (1) | KR101726088B1 (ko) |
CN (1) | CN108602098B (ko) |
DE (1) | DE112016005878B4 (ko) |
WO (1) | WO2017111216A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112058949B (zh) * | 2020-05-09 | 2022-01-28 | 嘉兴市华鼎保温科技有限公司 | 一种用于冲压模具的装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2535421B2 (ja) * | 1989-11-16 | 1996-09-18 | 川崎製鉄株式会社 | 調質圧延方法 |
KR20020051633A (ko) * | 2000-12-23 | 2002-06-29 | 이구택 | 두께변경 구간에서의 판두께 제어방법 |
KR20100074714A (ko) * | 2008-12-24 | 2010-07-02 | 주식회사 포스코 | 열연강판의 형상교정이 가능한 열연공정장치 및 열연방법 |
KR20100074840A (ko) * | 2008-12-24 | 2010-07-02 | 주식회사 포스코 | 2-스탠드 조질압연기의 강판 연신율 제어 시스템 및 제어 방법 |
KR101134922B1 (ko) * | 2009-04-02 | 2012-04-17 | 주식회사 포스코 | 열간 압연공정의 철판 형상 교정장치 및 방법 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53130260A (en) * | 1977-04-20 | 1978-11-14 | Mitsubishi Alum Co Ltd | Controlling method for shape of rolled metal |
JPS53130259A (en) * | 1977-04-20 | 1978-11-14 | Mitsubishi Alum Co Ltd | Controlling method for shape of rolled metal |
JPS5841129B2 (ja) * | 1980-12-02 | 1983-09-09 | 日本金属株式会社 | 帯板の張力付加装置 |
JPH0239331B2 (ja) * | 1984-10-08 | 1990-09-05 | Sumitomo Heavy Industries | Mutansutoritsupunorenzokukyoseisochi |
JPH0494815A (ja) * | 1990-08-13 | 1992-03-26 | Daido Steel Co Ltd | リードフレーム材の残留応力除去方法 |
JPH04269256A (ja) * | 1991-02-25 | 1992-09-25 | Matsushita Electric Works Ltd | 軒樋及び軒樋取付装置 |
JP2542467B2 (ja) * | 1991-11-29 | 1996-10-09 | 川崎製鉄株式会社 | 溶融亜鉛めっき鋼板の製造方法 |
JP2692516B2 (ja) * | 1992-11-30 | 1997-12-17 | 日本鋼管株式会社 | 高張力鋼板の製造方法 |
JPH06170422A (ja) * | 1992-12-03 | 1994-06-21 | Kobe Steel Ltd | 多段圧延機の形状制御装置 |
JP3142187B2 (ja) * | 1993-03-10 | 2001-03-07 | 新日本製鐵株式会社 | 板圧延機の圧延制御方法 |
KR100302395B1 (ko) * | 1996-12-21 | 2001-11-22 | 이구택 | 가변-망각자최소자승제어방법을사용한냉연강판의형상제어방법 |
JP4276318B2 (ja) * | 1998-12-08 | 2009-06-10 | 新日本製鐵株式会社 | 板圧延機と板圧延方法 |
JP2000263113A (ja) * | 1999-03-12 | 2000-09-26 | Mitsubishi Electric Corp | 圧延機における異常圧延状態修正方法および装置 |
JP2001269706A (ja) * | 2000-03-27 | 2001-10-02 | Nisshin Steel Co Ltd | 連続冷間圧延時の形状制御方法 |
CN1234476C (zh) * | 2002-02-06 | 2006-01-04 | 中国第二重型机械集团公司 | 控制板形和板厚的轧制方法及适于该方法的无间隙轧机 |
JP3924276B2 (ja) * | 2003-10-21 | 2007-06-06 | 新日本製鐵株式会社 | 薄手広幅厚板材の矯正方法 |
KR100988501B1 (ko) | 2003-10-30 | 2010-10-20 | 주식회사 포스코 | 권취기의 장력제어방법 |
JP4559939B2 (ja) * | 2005-09-06 | 2010-10-13 | 新日本製鐵株式会社 | 厚鋼板矯正ラインの通板監視方法及び通板監視装置 |
JP4423618B2 (ja) * | 2007-03-28 | 2010-03-03 | 株式会社日立製作所 | 圧延形状制御方法および圧延形状制御システム |
JP4948301B2 (ja) * | 2007-07-20 | 2012-06-06 | 日新製鋼株式会社 | 冷間圧延における形状制御方法 |
JP6064673B2 (ja) * | 2013-02-28 | 2017-01-25 | 新日鐵住金株式会社 | 部分圧延法により板幅方向に板厚差を有する差厚鋼板の製造装置および方法 |
-
2015
- 2015-12-22 KR KR1020150183893A patent/KR101726088B1/ko active IP Right Grant
-
2016
- 2016-05-06 JP JP2018532214A patent/JP2019505385A/ja active Pending
- 2016-05-06 CN CN201680075451.9A patent/CN108602098B/zh active Active
- 2016-05-06 WO PCT/KR2016/004776 patent/WO2017111216A1/ko active Application Filing
- 2016-05-06 DE DE112016005878.0T patent/DE112016005878B4/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2535421B2 (ja) * | 1989-11-16 | 1996-09-18 | 川崎製鉄株式会社 | 調質圧延方法 |
KR20020051633A (ko) * | 2000-12-23 | 2002-06-29 | 이구택 | 두께변경 구간에서의 판두께 제어방법 |
KR20100074714A (ko) * | 2008-12-24 | 2010-07-02 | 주식회사 포스코 | 열연강판의 형상교정이 가능한 열연공정장치 및 열연방법 |
KR20100074840A (ko) * | 2008-12-24 | 2010-07-02 | 주식회사 포스코 | 2-스탠드 조질압연기의 강판 연신율 제어 시스템 및 제어 방법 |
KR101134922B1 (ko) * | 2009-04-02 | 2012-04-17 | 주식회사 포스코 | 열간 압연공정의 철판 형상 교정장치 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
DE112016005878B4 (de) | 2023-11-09 |
KR101726088B1 (ko) | 2017-04-12 |
CN108602098B (zh) | 2020-06-12 |
JP2019505385A (ja) | 2019-02-28 |
DE112016005878T5 (de) | 2018-09-20 |
CN108602098A (zh) | 2018-09-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100534655C (zh) | 冷轧板形设定计算中热轧来料凸度的处理方法 | |
WO2017111216A1 (ko) | 스트립 형상 교정장치 및 방법 | |
WO2017111222A1 (ko) | 압연 소재의 평탄 유지 장치 및 방법 | |
KR20100110217A (ko) | 열간 압연공정의 철판 형상 교정장치 및 방법 | |
JP5338139B2 (ja) | 熱間仕上圧延における蛇行防止方法、および、それを用いた熱延金属板の製造方法 | |
JP3458731B2 (ja) | 冷間タンデム圧延機における形状制御方法および形状制御装置 | |
WO2014003273A1 (ko) | 냉각장치의 에지마스크 제어방법 | |
JP3690282B2 (ja) | 熱間圧延におけるキャンバおよびウエッジの防止方法 | |
RU2211102C1 (ru) | Устройство для измерения и регулирования плоскостности полос в процессе прокатки | |
JPH0615321A (ja) | 厚板圧延における形状制御方法 | |
KR101054383B1 (ko) | 열연강판의 형상교정이 가능한 열연공정장치 및 열연방법 | |
JP3430065B2 (ja) | 厚鋼板圧延設備 | |
JP2000094023A (ja) | 熱間仕上圧延機のレベリング制御方法及び装置 | |
KR20020053926A (ko) | 일정한 연신율로 연신하는조질압연기 | |
JP3664067B2 (ja) | 熱間圧延鋼板の製造方法 | |
JP2002096109A (ja) | 圧延材の蛇行抑制方法 | |
JPH08300040A (ja) | 厚鋼板の矯正方法 | |
WO2018117486A1 (ko) | 다중스탠드압연밀의 폭 제어장치 및 그 폭 제어방법 | |
JPS626713A (ja) | 熱間圧延機の圧延材出側温度制御方法 | |
JP2001269708A (ja) | 熱間圧延機のレベリング制御方法及び装置 | |
JPH10225708A (ja) | 形鋼圧延における反り制御方法 | |
KR20000038836A (ko) | 열간압연공정에서의 강 스트립의 형상제어방법 | |
JP3646622B2 (ja) | 板幅制御方法 | |
JPH0763747B2 (ja) | 熱間連続圧延機における通板時の板厚制御方法 | |
KR100762430B1 (ko) | 텐션 레벨러에서의 장력제어 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16879084 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2018532214 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112016005878 Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 16879084 Country of ref document: EP Kind code of ref document: A1 |