WO2011129453A1 - 圧延機および圧延機の零調方法 - Google Patents
圧延機および圧延機の零調方法 Download PDFInfo
- Publication number
- WO2011129453A1 WO2011129453A1 PCT/JP2011/059457 JP2011059457W WO2011129453A1 WO 2011129453 A1 WO2011129453 A1 WO 2011129453A1 JP 2011059457 W JP2011059457 W JP 2011059457W WO 2011129453 A1 WO2011129453 A1 WO 2011129453A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rolling
- roll
- work
- roll chock
- rolling direction
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
-
- 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
-
- 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
-
- 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
Definitions
- the present invention relates to a rolling mill and its zero adjustment method, and more particularly, to a rolling mill and its zero adjustment method that enable highly accurate zero adjustment in the left-right asymmetric component of the rolling mill.
- the working side and the driving side are also referred to as left and right. If the elongation rate of the rolled material becomes uneven on the left and right, not only the flat shape and dimensional accuracy of the rolled material such as camber and plate thickness wedge may be caused, but also a plate trouble such as meandering and drawing may occur.
- a difference between the work side and the drive side of the rolling position of the rolling mill that is, a rolling leveling operation is used.
- the leveling operation is mostly performed by the operator while carefully observing the rolling operation as well as the setting before rolling and the operation during rolling. It cannot be said that the board trouble is sufficiently controlled.
- Patent Document 1 discloses a technique for performing the reduction leveling control based on the ratio of the load cell load of the rolling mill to the sum of the differences between the working side and the driving side.
- Patent Document 2 discloses a technique for manipulating the reduction leveling by directly detecting the deviation of the rolling material on the entry side of the rolling mill, that is, the amount of meandering.
- Patent Document 1 and Patent Document 2 described above for making the difference between the working side and the driving side of the elongation rate of the rolled material zero are optimal as the control means.
- both technologies are technologies that control the difference between the working side and the drive side in the elongation rate of the rolled material, and control this by the rolling leveling operation. Setting the rolling leveling before the start of rolling Is not intended to optimize.
- the zero adjustment of the reduction position is performed after roll reassignment.
- the kiss roll was tightened by operating the reduction device in the roll rotation state, and the measured value of the rolling load coincided with a predetermined zero adjustment load (preset at 15% to 85% of the rated load).
- the time point is set to the zero point of the reduction position. In many cases, such as after installing a new roll.
- the difference between the left and right rolling positions that is, the zero point of rolling leveling is often adjusted at the same time.
- the measurement value of the rolling load is adjusted so as to coincide with the predetermined zero point adjustment load on each of the working side and the driving side when the kiss roll is tightened.
- the kiss roll tightening means that the upper and lower work rolls are brought into contact with each other and a load is applied between the rolls in the absence of the rolled material.
- FIG. 8 shows a state in which a thrust force is generated in the four-high rolling mill.
- This thrust force gives an extra moment to the roll, and the distribution of the contact load between the rolls in the roll axial direction changes so as to balance this moment. This eventually appears as a disturbance to the difference between the working side and the driving side of the rolling load measuring load cell of the rolling mill.
- Even if the cross angle between rolls is not set consciously like a pair cross rolling mill, it is caused by a slight gap existing between the housing and the roll chock, so it is difficult to control the cross angle to zero. It is.
- Patent Document 4 In order to isolate the influence of this thrust force, for example, in Patent Document 4, the circumferential force difference is given to the upper and lower work rolls, and the gap between the housing and the roll chock is moved to one side to stabilize the chock position.
- Patent Document 5 discloses a method of reducing the thrust force by stopping the rotation of the work roll at the time of zero reduction.
- Patent Document 6 the rotation of the work roll is stopped at the time of zero reduction, and the roll rotation is adjusted by changing the position in the roll rotation direction by two or more levels, and the reduction positions obtained by the respective operations are averaged.
- a method is disclosed in which the processed value is set as the zero point (initial reduction position) of the reduction position.
- Patent Document 7 measures the roll axial thrust reaction force acting on all rolls other than the reinforcement roll, and the reinforcement roll reaction force acting in the reduction direction at each reduction fulcrum position of the upper and lower reinforcement rolls.
- a method is disclosed in which one or both of the zero point of the apparatus and the deformation characteristics of the rolling mill are obtained, and the reduction position setting or control is performed based on this.
- Patent Document 8 discloses a method of determining a differential load target value based on a leveling amount that does not cause bending before roll reassignment, and performing zero reduction.
- Patent Document 9 as a rolling leveling control method for suppressing the camber of the rolled material, the rolling direction force acting on the work side and the drive side roll chock of the work roll is measured, and the working side and the drive of the rolling direction force are driven.
- a method is disclosed in which the difference (also referred to as “difference”) with the side is calculated and the left-right asymmetric component of the roll opening of the rolling mill is controlled so that this difference becomes zero.
- Japanese Patent Publication No. 58-51771 JP 59-191510 A Japanese Patent No. 2554978 Japanese Patent No. 3505593 Japanese Patent No. 3438764 Japanese Patent No. 3422930 Japanese Patent No. 3701981 Japanese Patent No. 3487293 Japanese Patent No. 4214150
- Patent Document 4 does not perform zero reduction in the normal roll rotation state, so when the rolls are actually rotated at the same vertical speed, It is conceivable that the degree of parallelism changes slightly. Since the thrust force between the rolls changes in direction and size even with a slight error in parallelism with the adjacent rolls, it is difficult to achieve high-precision zero reduction by this method.
- the method of patent document 9 has a suppression effect regarding the camber in rolling.
- the problems are different from those of Patent Documents 1 to 8, etc., there is no description that contributes to zero tone.
- the method described in Patent Document 9 relates to control during rolling. Therefore, after starting rolling, there is an effect after starting the control, but the camber cannot be suppressed for the most advanced portion rolled before starting the control. Further, before the rolled material exits the rolling mill, that is, immediately before the end of rolling, it is necessary to end the control from the viewpoint of control stability, and the reduction position is returned to the initial reduction position after the end of the control.
- the current rolling control method has the following problems.
- A As described in Patent Document 9, it is known that the rolling control method in consideration of the thrust force is effective. However, the initial reduction position ( The influence of the zero point position is strong, and it cannot be controlled properly.
- B Further, the initial reduction position adjustment (zero point position adjustment (zero adjustment)) is performed by kiss roll, but this is strongly influenced by the thrust force of the roll, and proper zero position adjustment cannot be performed.
- the present invention solves a problem related to the influence of thrust force in a reduction zero adjustment (also referred to as zero position adjustment or zero position adjustment) method for determining an initial reduction position of a rolling mill.
- An object of the present invention is to provide a rolling mill capable of adjusting the zero point of smooth rolling leveling and a zero adjustment method of the rolling mill.
- the present inventors have extensively studied the rolling zero reduction method of a rolling mill. As a result, it has been found that a rolling method force is generated even by adjustment with a conventional kiss roll. I found out that it was not affected by the thrust force. From these facts, it was considered that a more accurate setting could be made by performing a reduction zero adjustment that also included the rolling direction force, and the following technical knowledge was obtained.
- the present inventors realized high-precision reduction leveling zero point adjustment even when thrust force is acting between the rolls during rolling reduction zero adjustment, and setting the reduction leveling
- the present invention has been accomplished with respect to a rolling mill and its zero-tuning method capable of solving a planar shape and dimensional accuracy defect such as a camber of a rolled material and a plate thickness wedge due to a defect, or a plate passing trouble such as meandering and drawing.
- the gist of the present invention is as follows.
- a load detection device for measuring a rolling direction force in a kiss roll state acting on each of the work side roll chock and the drive side roll chock of the work roll;
- a rolling direction force difference calculating device for calculating a difference in rolling direction force acting on the work side roll chock and the driving side roll chock measured by the load detecting device, and the rolling based on the calculated value of the rolling direction force difference calculating device.
- a reduction leveling control amount calculation device for calculating a control amount on the working side and driving side of the mill, and controls the reduction devices on the working side and driving side of the rolling mill based on the calculated values of the reduction leveling control amount calculation device
- a reduction leveling control device, and in the reduction leveling control amount calculation device The sum of the reaction forces on the work side and the drive side in the kiss roll state is set within a range of ⁇ 2% around a predetermined value, and acts on the work side roll chock and the drive side roll chock of the work roll.
- a rolling mill (2) It is characterized by having a pressing device for pressing the work side roll chock and the drive side roll chock in the rolling direction on either the roll side entry side or the exit side of the work side roll chock and the drive side roll chock, The rolling mill as described in (1).
- the rolling mill according to (1) or (2) further comprising a pressing device for pressing in the rolling direction.
- a pressing device for pressing in the rolling direction.
- the pressing device has a function of detecting a rolling direction force.
- the sum of the reaction forces on the working side and the driving side in the kiss roll state is ⁇ 2 centered on a predetermined value.
- the rolling direction force acting on the work side roll chock and the driving side roll chock of the work roll is measured, and the difference between the working side and the driving side of the rolling direction force is calculated.
- the rolling reduction position of the rolling mill is set so that the value is within a range of ⁇ 5% of the average rolling direction force on the working side and the driving side, and the set reduction position is set as the initial reduction position.
- a zeroing method for a rolling mill. (6) The zero adjustment method for a rolling mill according to (5), wherein the work side roll chock and the drive side roll chock are pressed in a rolling direction. (7) Of the work side roll chock and the drive side roll chock, the work side roll chock and the work side roll chock from the side opposite to the side where the work roll is offset with respect to the reinforcing roll as a reference.
- FIG. 1 is a front view of a rolling mill according to an embodiment of the present invention as seen from the rolling direction.
- FIG. 2 is an explanatory diagram of the zero adjustment method in the embodiment of the present invention.
- FIG. 3 is an explanatory diagram of a zero adjustment method according to another embodiment of the present invention.
- FIG. 4 is an enlarged explanatory view showing an example of the upper work roll and the upper reinforcing roll.
- FIG. 5 is an enlarged explanatory view showing a second example of the upper work roll and the upper reinforcing roll.
- FIG. 6 is an enlarged explanatory view showing a third example of the upper work roll and the upper reinforcement roll when the upper work roll is offset.
- FIG. 4 is an enlarged explanatory view showing an example of the upper work roll and the upper reinforcing roll.
- FIG. 5 is an enlarged explanatory view showing a second example of the upper work roll and the upper reinforcing roll.
- FIG. 6 is an enlarged explanatory view showing a
- FIG. 7 is an enlarged view showing a fourth example of the upper work roll and the upper reinforcing roll when the upper work roll is offset and the outgoing work roll chock position control device is provided on the outgoing side of the upper work roll chock.
- FIG. 8 is an explanatory view showing a state in which a thrust force is generated in a conventional four-high rolling mill.
- FIG. 1 is a front view of a rolling mill 30 according to an embodiment of the present invention as viewed from the rolling direction.
- FIG. 2 is an explanatory diagram of the zero adjustment method according to the embodiment of the present invention, and shows a flow when the zero adjustment method according to the present invention is performed in the rolling mill 30.
- the drive side means the side where the electric motor for driving the work roll is installed when the rolling mill is viewed from the front, and the work side means the opposite side.
- the upper work roll chock 3a, the upper work roll 1a, the upper reinforcement roll chock 4a, the upper reinforcement roll 2a, the lower work roll chock 3b, the lower work roll 1b, the lower reinforcement roll chock 4b, and the lower reinforcement roll 2b are respectively It is also deployed on the drive side.
- the rolling direction force acting on the upper work roll 1a of the rolling mill 30 is basically supported by the upper work roll chock 3a.
- the upper work roll chock 3a is provided with an upper work roll chock exit side load detection device 5a and an upper work roll entry side load detection device 6a.
- the load detection devices 5a and 6a allow the upper work roll chock 3a to move in the rolling direction.
- the force acting between the member such as the housing 8 and the project block fixed to the upper work roll chock 3a can be measured.
- These load detection devices 5a and 6a are usually preferably configured to measure the compressive force in order to simplify the device configuration.
- the load detection device that detects the rolling direction force acting on the roll chock may be installed on one side (either the entry side or the exit side) of the roll chock as long as the load can be measured appropriately.
- FIG. 1 the case where it has installed in the both sides of the roll chock is shown.
- a description will be given based on the embodiment of FIG.
- FIG. 2 shows the apparatus configuration according to the present invention.
- a kiss roll state is set for zero reduction before rolling. At this time, not a rolling direction force but also a rolling direction force is generated.
- the rolling direction force acting on the upper work roll chock 3a is measured by the upper work roll chock outlet side load detection device 5a and the upper work roll inlet side load detection device 6a.
- the upper work roll rolling direction force calculation device 10a the difference between the measurement results by the upper work roll exit side load detection device 5a and the upper work roll entry side load detection device 6a is calculated, and the rolling direction force acting on the upper work roll chock 3a is calculated. Calculate.
- the lower work roll outlet load detecting device 5b and the lower work roll inlet load detecting device 6b arranged on the outlet side and the inlet side of the lower work roll chock 3b.
- the rolling direction force acting on the lower work roll chock 3b is calculated by the lower work roll rolling direction force calculation device 10b based on the measured value.
- “entrance side” and “exit side” are given for the sake of convenience, and the side where the actual rolled material enters and the side where it exits do not necessarily coincide.
- the right side in FIG. 2 is referred to as “entry side” and the left side in FIG. 2 is referred to as “outside”.
- the sum of the calculation result of the upper work roll rolling direction force calculation device 10 a and the calculation result of the lower work roll rolling direction force calculation device 10 b is taken, and the rolling acts on the upper and lower work rolls. Calculate the resultant force.
- FIG. 2 only the calculation on the work side is illustrated and described, but the above procedure is performed not only on the work side but also on the drive side with the same apparatus configuration, and the result is the drive side. Is obtained as a resultant force 12 in the work roll rolling direction.
- the work side-drive side rolling direction force difference calculation device (rolling direction force difference calculation device) 13 calculates the difference between the work side calculation result and the drive side calculation result, thereby the work roll chock (upper work roll chock 3a).
- the difference in the rolling direction force acting on the lower work roll chock 3b) between the working side and the driving side is calculated.
- the difference in rolling force applied to the drive side and work side roll chock is the upper work roll rolling direction force calculation device 10 a, the lower work roll rolling direction force calculation device 10 b, and the work roll rolling direction resultant force calculation. It is calculated by the apparatus 11 and the work side-drive side rolling direction force difference calculation device (rolling direction force difference calculation device) 13.
- a series of devices until the difference between the rolling forces applied to the driving side and the working side roll chock is calculated is collectively referred to as a working side-driving side rolling direction force difference calculating device (rolling direction force difference calculating device) 13. .
- a working side-driving side rolling direction force difference calculating device rolling direction force difference calculating device 13
- the hydraulic pressure reduction device 7 is operated simultaneously on the working side and the driving side, and is tightened until the sum of the left and right of the reinforcing roll reaction force reaches a predetermined value (zero tone load).
- Leveling operation is performed to make the difference between the working side and the driving side of the force zero.
- a load value comparable to the load generated during actual rolling is set as a predetermined value.
- about 50% of the rated rolling load is set to be the actual rolling load.
- it may be set to an arbitrary value of 15% to 85% of the rated rolling load.
- an arbitrary value of 30% to 70% of the rated rolling load is set.
- the setting error should be within the range of ⁇ 2% around a predetermined value (zero tone load). If it is greater than 2%, the reduction in the amount of reduction will be too large, and the plate thickness and shape will tend to be poor. There is no problem if it is within the range of ⁇ 2% in actual rolling. Of course, the error should be as small as possible, preferably ⁇ 1% or less. It is preset according to the rolling material and rolling conditions. Although details about the setting method are omitted here, a method set in a normal rolling operation may be used.
- the rolling direction force acting on the work roll chock (upper work roll chock 3a, lower work roll chock 3b) based on the calculation result of the difference between the work side and the drive side (difference between the work side and the drive side) of the rolling direction force described above.
- the control amount of the hydraulic pressure reduction device 7 is calculated by the reduction leveling control amount calculation device 14 so that the difference between the working side and the driving side becomes zero and the zero adjustment load is maintained.
- the difference between the working side and the driving side of the rolling direction force is ideally zero. Actually, there is no problem as long as it is ⁇ 5% or less of the average of the rolling direction force on the working side and the driving side in consideration of the measurement error and the setting system.
- it is ⁇ 4% or less, more preferably ⁇ 3% or less, and further preferably 2% or less. In other words, it is ⁇ 2.5% or less, preferably ⁇ 2% or less, more preferably ⁇ 2% or less of the sum of the rolling direction forces on the work side and the drive side (that is, the sum of the rolling direction forces acting on the work roll). It may be 1.5% or less, more preferably 1% or less.
- the rolling leveling control device 15 controls the rolling position of the roll of the rolling mill 30.
- the difference between the working side and the driving side of the rolling direction force acting on the work roll chock becomes zero, and the reduction position at that time is set as the zero point of the reduction position for each of the working side and the driving side.
- the difference between the working side and the driving side of the rolling direction force acting on the work roll chock (upper work roll chock 3a, lower work roll chock 3b) is not affected by the thrust force, a thrust force is generated between the rolls. Even if this is the case, it is possible to realize the zero point setting of the reduction leveling with extremely high accuracy.
- the work side and the drive side are basically combined until the calculation result of the work direction-drive side rolling direction force difference calculation device (rolling direction force difference calculation device) 13 is obtained. Only the addition / subtraction operation of the outputs of the total eight load detection devices is performed. Therefore, the above-described device configuration and the order of calculation may be arbitrarily changed. For example, the outputs of the upper and lower exit load detection devices may be added first, then the difference between the addition results on the entry side may be calculated, and finally the difference between the work side and the drive side may be calculated. The difference between the working side and the driving side of the output of the load detection device at each position may be calculated, then summed up and down, and finally the difference between the entry side and the exit side may be calculated.
- FIG. 3 is an explanatory diagram of a zero adjustment method according to another embodiment of the present invention.
- the rolling direction force detection device and the calculation device acting on the lower work roll chock are omitted.
- the difference between the working side and the drive side of the rolling direction force acting on the work roll chock does not reverse the tendency of the upper and lower work rolls.
- 4 to 7 are diagrams for explaining other aspects. 4 to 7 show only the upper work roll 1a, the upper reinforcement roll 2a, the upper work roll chock 3a, the load detection devices 5a and 6a installed there, and their peripheral devices.
- FIG. 4 is an enlarged explanatory view showing a mode example of the upper work roll 1a and the upper reinforcing roll 2a.
- the entry side of the upper work roll chock 3a has an entry side work roll chock pressing device 16 adjacent to the upper work roll entry side load detection device 6a, and the upper work roll chock 3a is removed from the entry side. Is pressed with a predetermined pressing force.
- the pressing device 16 is disposed so as to be on the outer side as viewed from the work roll than the load detection devices on the entry side and the exit side of the work roll chock.
- FIG. 5 is an enlarged explanatory view showing a second example of the upper work roll 1a and the upper reinforcing roll 2a.
- the upper work roll entry side load detection device 6 a is omitted, and this is the hydraulic oil supplied to the hydraulic cylinder of the entry side work roll chock pressing device 16 of FIG. 4 which is a hydraulic device.
- a hydraulic device itself is used as a load detection device by providing a sensor for measuring pressure. That is, the difference between the measured value of the upper work roll exit side load detection device 5a and the load detected by the sensor for measuring the pressure of the working oil installed in the hydraulic cylinder of the entry side work roll chock pressing device 16 is calculated. The rolling direction force acting on the work roll chock 3a is calculated. With such a configuration, the number of measuring devices can be reduced, and inexpensive equipment can be provided.
- FIG. 6 is an enlarged explanatory view showing a third example of the upper work roll 1a and the upper reinforcement roll 2a when the upper work roll 1a is offset.
- the upper work roll 1a is offset by ⁇ x in the exit direction, and the entry work roll chock pressing device 16 is provided on the entry side of the upper work roll chock 3a.
- the offset force acting on the upper work roll 1a from the upper reinforcing roll 2a acts in the direction of pressing the upper work roll chock 3a toward the outlet side, so the force of the entry work roll chock pressing device 16 is reduced. It is possible to make the equipment compact and inexpensive. Moreover, since the force which pinches
- the upper work roll 1a is offset, and the upper work roll 1a and the upper reinforcing roll 2a of the fourth work roll when the outgoing work roll chock position control device 17 is arranged on the outgoing side of the upper work roll chock 3a are shown.
- the outgoing work roll chock position control device 17 is arranged on the outgoing side of the upper work roll chock 3a.
- the delivery-side work roll chock position control device 17 is also a hydraulic device.
- the upper work roll chock 3a is formally sandwiched between the entry-side and exit-side hydraulic cylinders.
- the exit side work roll chock position detection device 18 is provided for position control, and the chucking force is provided by the entry side work roll chock pressing device 16. Yes.
- FIGS. 4, 5, 6 and 7 show examples in which the work roll chock pressing device 16 is arranged on the entrance side of the rolling mill, but it may be arranged on the exit side. However, it is necessary to maintain the relative positional relationship with the work roll offset in FIGS. 4, 5, 6 and 7 show only the vicinity of the upper work roll chock 3a, but the same configuration is basically applied when applied to the lower work roll chock 3b.
- the work roll diameter is 1200 mm
- the reinforcing roll diameter is 2400 mm.
- the rated load is 80,000 kN.
- the reduction zero adjustment position was a reduction position where the difference between the working side and the drive side of the reinforcing roll reaction force in the reduction direction was within 1% of the rated load (in this example, within 800 kN).
- the kiss roll is tightened so that the sum of the reaction force of the reinforcing rolls on the working side and the driving side becomes a predetermined value, and acts on the work side roll chock and the driving side roll chock of the work roll.
- the amount of fluctuation due to the change in cross angle was compared with the case where the rolling position where the difference between the working side and the driving side in the rolling direction force was within 1% of the rated load was set as the rolling zero adjustment position.
- the leveling zero has changed by 0.6 mm in the reduction zero adjustment method based on the difference between the work roll side and the drive side in the reduction roll.
- the amount of change in the leveling zero in the reduction zero adjustment method based on the difference between the working side and the driving side of the rolling direction force acting on the work chock and the driving side roll chock of the work roll was 0.03 mm or less. . From this, it was found that even if thrust force between rolls is generated due to the cross angle between rolls, the present invention is not affected by this and high-precision reduction zero adjustment is possible.
- the kiss roll is tightened so that the sum of the reinforcing roll reaction force on the working side and the driving side is 30000 kN, and the difference between the working side and the driving side of the reinforcing roll reaction force in the reduction direction is within 1%.
- the kiss roll is tightened so that the sum of the reaction force of the reinforcing roll on the working side and the driving side becomes a predetermined value, and the work side roll chock and the driving side roll chock of the work roll are The reduction position where the difference between the working side and the driving side of the acting rolling direction force was within 1% was set to the reduction zero adjustment position.
- the present invention makes it possible to achieve high-precision reduction leveling zero point adjustment, which can lead to troubles in planar shape and dimensional accuracy such as the camber and plate thickness wedge of the rolled material due to poor reduction leveling setting, or through plate troubles such as meandering and drawing. It has been found that the problem can be solved even immediately after biting of the end of the rolled material, which is difficult to apply control.
- the work side roll chock and the drive side roll chock were pressed in the rolling direction to perform zero tone.
- a kiss roll tightening test was performed so that the sum of the reaction forces on the working side and the driving side was 10,000 kN.
- the work roll diameter is 800 mm, and the reinforcing roll diameter is 1600 mm.
- the rated load is 30000 kN.
- the test method is the same as described above.
- the responsiveness and measurement accuracy of the measurement of the rolling direction force are good by using the method (means of (6) above) that presses the roll chock on the working side and the roll chock on the driving side in the rolling direction. As a result, the time required for the work was shortened.
- the sheet thickness on the outlet side of the rolling mill is 8 mm for 50 sheets of normal steel sheet having the same sheet thickness of 10 mm, the sheet width of 1000 mm, and the same dimensions.
- the rolling was performed using the camber control method disclosed in Patent Document 9, and as a result, the meandering of the rolled material and the camber were the most advanced of the rolled material when the number of rolled sheets was 50. It did not occur from the head to the tail.
- FIG. 1 Furthermore, from a side opposite to the side where the work roll is offset with respect to the reinforcing roll, a method of pressing the work side roll chock and the drive side roll chock in the rolling direction (means of the above (7)) is shown in FIG.
- a kiss roll tightening test was performed so that the sum of the reaction forces on the working side and the driving side was 20000 kN.
- the work roll diameter is 1000 mm
- the reinforcing roll diameter is 2000 mm.
- the rated load is 60000 kN.
- the test method is the same as described above.
- the rolling direction force is measured by using the method of pressing the working side roll chock and the driving side roll chock in the rolling direction (means of (7) above) from the side opposite to the side where the work roll is offset. The responsiveness and measurement accuracy were improved, and the time required for work could be shortened.
- the work can be performed with a smaller pressing force as compared with the embodiment of claim 6, the sliding resistance due to the friction between the roll chock and the housing or the hydraulic cylinder, which is a disturbance factor of measurement, is reduced. Therefore, more accurate measurement is possible.
- the thickness of the entrance side plate is 20 mm
- the plate width is 2000 mm
- 50 normal steel plates having the same dimensions are used.
- the rolling was performed using the camber control method disclosed in Patent Document 9, and as a result, the meandering of the rolled material and the camber were the most advanced of the rolled material when the number of rolled sheets was 50. It did not occur from the head to the tail.
- zero adjustment was performed using a hot plate mill with a work roll diameter of 600 mm, a work roll cylinder length of 4000 mm, a reinforcement roll diameter of 1200 mm, a reinforcement roll cylinder length of 4000 mm, and a rated load of 30000 kN.
- it was set as the kiss roll state, driving a work roll so that a rolling load might be set to 10000 kN.
- the working side and the driving side were crushed simultaneously, resulting in a working side of 5050 kN and a driving side of 4950 kN. This state is defined as zero point 1.
- the difference of the rolling direction force is ⁇ 10% with respect to the average of the rolling direction force.
- hot rolling was performed to reduce a plate having a width of 2 m and a thickness of 20 mm by 20%.
- the rolling direction forces on the working side and the driving side become 99 kN and 101 kN, respectively. It was. At this time, the working side rolling load was 5255 kN and the driving side rolling load was 4745 kN. This state is defined as zero point 3. The difference in the rolling direction force in this state was ⁇ 2% with respect to the average of the rolling direction force, which was within the scope of the present invention. After zero adjustment of the zero point 3, similarly, hot rolling was performed to reduce a plate having a width of 2 m and a thickness of 20 mm by 20%.
- the present invention can be applied to a rolling mill and its zero adjustment method, and in particular, to a rolling mill that enables highly accurate zero adjustment in the left-right asymmetric component of the rolling mill and its zero adjustment method.
Abstract
Description
また、特許文献9に記載の方法は、圧延中の制御に関するものである。そのため、圧延開始後、制御を開始してからは効果があるが、制御を開始する前に圧延される最先端部に関してはキャンバーを抑制することはできない。また、圧延材が圧延機を抜ける前、つまり圧延終了直前には、制御の安定性の観点から前記制御を終了させる必要があることと、かつ圧下位置を制御終了後に初期圧下位置へと復帰させるため、初期圧下位置(零点位置)を誤ると圧延材の尾端部についてもキャンバーを発生させる原因となる。即ち、特許文献9の方法においては、圧延材の先端部および後端部の形状品質の向上が課題である。特に、先端部および後端部の形状品質は、初期圧下位置(零点位置)に大きく依存しており、初期圧下位置の適正な設定方法が求められている。
(a)特許文献9に記載されているように、スラスト力を考慮した圧延制御方法は効果があることが知られているが、圧延材の先端部および後端部については、初期圧下位置(零点位置)の影響が強く、適正に制御できていない。
(b)また、初期圧下位置調整(零点位置調整(零調))は、キスロールによる調整を行っているが、これはロールのスラスト力に強く影響され適正な零点位置調整ができない。
上記問題点や事情に鑑み本発明は、圧延機の初期圧下位置を決める圧下零調(零点位置調整または零点位置調整とも言う)方法において、特にスラスト力の影響に関わる問題点を解決し、適正な圧下レベリングの零点調整が可能な圧延機および圧延機の零調方法を提供することを目的とする。
(2)前記作業側ロールチョックおよび駆動側ロールチョックの圧延方向入側、出側のいずれか一方に、当該作業側ロールチョックおよび駆動側ロールチョックを圧延方向に押し付けるための押し付け装置を有することを特徴とする、(1)に記載の圧延機。
(3)前記作業側ロールチョックおよび駆動側ロールチョックの圧延方向入側と出側のうち、補強ロールを基準として前記作業ロールをオフセットしている側とは反対側に、前記作業側ロールチョックおよび駆動側ロールチョックを圧延方向に押し付けるための押し付け装置を備えていることを特徴とする、(1)または(2)に記載の圧延機。
(4)前記押し付け装置が圧延方向力を検出する機能を有することを特徴とする、(2)または(3)に記載の圧延機。
(5)少なくとも上下一対の作業ロールと補強ロールとを有する圧延機の零調方法において、キスロール状態における作業側と駆動側の補強ロール反力の和をあらかじめ定められた値を中心にその±2%の範囲内の値とし、前記作業ロールの作業側のロールチョックおよび駆動側のロールチョックに作用する圧延方向力を測定し、当該圧延方向力の作業側と駆動側との差分を演算し、この差分が作業側および駆動側の圧延方向力の平均の±5%の範囲内の値になるように、圧延機の左右圧下位置を設定し、当該設定した圧下位置を初期圧下位置とすることを特徴とする圧延機の零調方法。
(6)前記作業側のロールチョックおよび前記駆動側のロールチョックを圧延方向に押し付けることを特徴とする、(5)に記載の圧延機の零調方法。
(7)前記作業側のロールチョックおよび駆動側のロールチョックの圧延方向入側と出側のうち、補強ロールを基準として前記作業ロールをオフセットしている側とは反対側から、前記作業側のロールチョックおよび駆動側のロールチョックを圧延方向に押し付けることを特徴とする、(5)に記載の圧延機の零調方法。
その結果、圧延材の先端部および後端部の形状品質がよくなり、これに例えば特許文献9に記載された圧延中の制御方法と組み合わせれば、圧延材の全長にわたって形状品質の良好な鋼板を得ることができる。
図2は、本発明の実施の形態おける零調方法の説明図である。
図3は、本発明の他の実施の形態における零調方法の説明図である。
図4は、上作業ロールおよび上補強ロールの態様例を示す拡大説明図である。
図5は、上作業ロールおよび上補強ロールの第2の態様例を示す拡大説明図である。
図6は、上作業ロールがオフセットしている場合の上作業ロールおよび上補強ロールの第3の態様例を示す拡大説明図である。
図7は、上作業ロールがオフセットしており、上作業ロールチョックの出側に出側作業ロールチョック位置制御装置が配備された場合の上作業ロールおよび上補強ロールの第4の態様例を示す拡大説明図である。
図8は、従来の4段圧延機においてスラスト力が発生した状態を示す説明図である。
まず、圧下荷重が10000kNとなるように作業ロールを駆動させながらキスロール状態にした。作業側と駆動側を同時に圧下していき、作業側5050kN、駆動側4950kNとなった。この状態を零点1とする。
ここで、圧延方向力を測定すると、作業側では上作業ロールの入側へ90kN、駆動側では上作業ロールの入側へ110kN、が検出された。従って、その圧延方向力の差分は、圧延方向力の平均に対して±10%となる。
零点1の零調後、幅2mで厚さ20mmの板を20%圧下する熱間圧延を施した。
零点2の零調後、同様に幅2mで厚さ20mmの板を20%圧下する熱間圧延を施した。
零点3の零調後、同様に幅2mで厚さ20mmの板を20%圧下する熱間圧延を施した。
なお、上記実施例における態様は、本発明の例示である。本発明の実施態様は、これら実施例の態様に限定されることはない。
1b 下作業ロール
2a 上補強ロール
2b 下補強ロール
3a 上作業ロールチョック
3b 下作業ロールチョック
4a 上補強ロールチョック
4b 下補強ロールチョック
5a 上作業ロールチョック出側荷重検出装置
5b 下作業ロールチョック出側荷重検出装置
6a 上作業ロールチョック入側荷重検出装置
6b 下作業ロールチョック入側荷重検出装置
7 油圧圧下装置
8 ハウジング
9 圧下方向荷重検出装置
10a 上作業ロール圧延方向力演算装置
10b 下作業ロール圧延方向力演算装置
11 作業側作業ロール圧延方向合力演算装置
12 駆動側作業ロール圧延方向合力
13 圧延方向力差分演算装置
14 圧下レベリング制御量演算装置
15 圧下レベリング制御装置
16 入側作業ロールチョック押し付け装置
17 出側作業ロールチョック位置制御装置
18 出側作業ロールチョック位置検出装置
19 スラスト力
20 スラスト力によって生じるモーメント
30 圧延機
Claims (8)
- 少なくとも上下一対の作業ロールと補強ロールとを有する圧延機において、
前記作業ロールの作業側ロールチョックおよび駆動側ロールチョックのそれぞれに作用するキスロール状態における圧延方向力を測定するための荷重検出装置と、
前記荷重検出装置により測定した前記作業側ロールチョックおよび駆動側ロールチョックに作用する圧延方向力の差分を演算する圧延方向力差分演算装置と、
前記圧延方向力差分演算装置の演算値に基づいて前記圧延機の作業側および駆動側の圧下装置制御量を演算する圧下レベリング制御量演算装置と、
当該圧下レベリング制御量演算装置の演算値に基づいて前記圧延機の作業側および駆動側の圧下装置を制御する圧下レベリング制御装置とを備え、
前記圧下レベリング制御量演算装置において、キスロール状態における作業側と駆動側の補強ロール反力の和をあらかじめ定められた値を中心にその±2%の範囲内の値とし、前記作業ロールの作業側のロールチョックおよび駆動側のロールチョックに作用する圧延方向力の差分が作業側および駆動側の圧延方向力の平均の±5%の範囲内の値になるように前記圧延機の作業側および駆動側の圧下装置制御量を演算することを特徴とする圧延機。 - 前記作業側ロールチョックおよび駆動側ロールチョックの圧延方向入側、出側のいずれか一方に、当該作業側ロールチョックおよび駆動側ロールチョックを圧延方向に押し付けるための押し付け装置を有することを特徴とする、請求項1に記載の圧延機。
- 前記作業側ロールチョックおよび駆動側ロールチョックの圧延方向入側と出側のうち、補強ロールを基準として前記作業ロールをオフセットしている側とは反対側に、前記作業側ロールチョックおよび駆動側ロールチョックを圧延方向に押し付けるための押し付け装置を備えていることを特徴とする、請求項1又は2に記載の圧延機。
- 前記押し付け装置が圧延方向力を検出する機能を有することを特徴とする、請求項2に記載の圧延機。
- 前記押し付け装置が圧延方向力を検出する機能を有することを特徴とする、請求項3に記載の圧延機。
- 少なくとも上下一対の作業ロールと補強ロールとを有する圧延機の零調方法において、キスロール状態における作業側と駆動側の補強ロール反力の和をあらかじめ定められた値を中心にその±2%の範囲内の値とし、前記作業ロールの作業側のロールチョックおよび駆動側のロールチョックに作用する圧延方向力を測定し、当該圧延方向力の作業側と駆動側との差分を演算し、この差分が作業側および駆動側の圧延方向力の平均の±5%の範囲内の値になるように、圧延機の左右圧下位置を設定し、当該設定した圧下位置を初期圧下位置とすることを特徴とする圧延機の零調方法。
- 前記作業側のロールチョックおよび前記駆動側のロールチョックを圧延方向に押し付けることを特徴とする、請求項6に記載の圧延機の零調方法。
- 前記作業側のロールチョックおよび駆動側のロールチョックの圧延方向入側と出側のうち、補強ロールを基準として前記作業ロールをオフセットしている側とは反対側から、前記作業側のロールチョックおよび駆動側のロールチョックを圧延方向に押し付けることを特徴とする、請求項6に記載の圧延機の零調方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020127004780A KR101184035B1 (ko) | 2010-04-13 | 2011-04-11 | 압연기 및 압연기의 영점 조정 방법 |
CN2011800040643A CN102548678B (zh) | 2010-04-13 | 2011-04-11 | 轧钢机及轧钢机的调零方法 |
US13/581,683 US8973419B2 (en) | 2010-04-13 | 2011-04-11 | Rolling mill and method of zero adjustment of rolling mill |
JP2011525770A JP4819202B1 (ja) | 2010-04-13 | 2011-04-11 | 圧延機および圧延機の零調方法 |
EP11768974.5A EP2489447B1 (en) | 2010-04-13 | 2011-04-11 | Rolling mill and zero ajustment process in rolling mill |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-092054 | 2010-04-13 | ||
JP2010092054 | 2010-04-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011129453A1 true WO2011129453A1 (ja) | 2011-10-20 |
Family
ID=44798820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/059457 WO2011129453A1 (ja) | 2010-04-13 | 2011-04-11 | 圧延機および圧延機の零調方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8973419B2 (ja) |
EP (1) | EP2489447B1 (ja) |
JP (1) | JP4819202B1 (ja) |
KR (1) | KR101184035B1 (ja) |
CN (1) | CN102548678B (ja) |
WO (1) | WO2011129453A1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102363160A (zh) * | 2011-11-21 | 2012-02-29 | 安阳钢铁股份有限公司 | 一种生产花纹板的轧机零调方法 |
WO2014003014A1 (ja) | 2012-06-26 | 2014-01-03 | 新日鐵住金株式会社 | 金属板材の圧延装置 |
WO2014003016A1 (ja) | 2012-06-26 | 2014-01-03 | 新日鐵住金株式会社 | 金属板材の圧延装置 |
JPWO2018083794A1 (ja) * | 2016-11-07 | 2018-11-01 | Primetals Technologies Japan株式会社 | 圧延機及び圧延機の調整方法 |
WO2019039583A1 (ja) * | 2017-08-24 | 2019-02-28 | 新日鐵住金株式会社 | 圧延機及び圧延機の設定方法 |
JP2019104063A (ja) * | 2019-02-01 | 2019-06-27 | Primetals Technologies Japan株式会社 | 圧延機及び圧延機の調整方法 |
WO2020036123A1 (ja) * | 2018-08-13 | 2020-02-20 | 日本製鉄株式会社 | スラスト反力作用点位置の同定方法及び圧延材の圧延方法 |
JP2020040097A (ja) * | 2018-09-12 | 2020-03-19 | 日本製鉄株式会社 | 圧延機及び圧延機の設定方法 |
CN113857237A (zh) * | 2021-07-29 | 2021-12-31 | 北京弥天科技有限公司 | 一种h型钢多级轧制装置 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104924065B (zh) * | 2014-03-21 | 2017-06-23 | 宝山钢铁股份有限公司 | 高精度拉矫机辊校零装置及其校零方法 |
CN107073536B (zh) * | 2015-03-26 | 2019-11-05 | 东芝三菱电机产业系统株式会社 | 轧制件的板厚控制装置 |
CN106994467B (zh) * | 2016-01-22 | 2018-10-02 | 宝山钢铁股份有限公司 | 一种pc轧机交叉辊系统交叉精度在线监测方法 |
EP3231522B1 (de) * | 2016-04-14 | 2019-03-27 | Primetals Technologies Germany GmbH | Robuste bandzugregelung |
CN108213090B (zh) * | 2017-12-29 | 2019-10-25 | 武汉钢铁有限公司 | 一种精轧机零调方法 |
BR112020015261A2 (pt) * | 2018-03-08 | 2020-12-08 | Nippon Steel Corporation | Método para configuração de laminador e laminador |
WO2019221297A1 (ja) * | 2018-05-18 | 2019-11-21 | 日本製鉄株式会社 | 圧延機及び圧延機の設定方法 |
US11872613B2 (en) | 2018-05-29 | 2024-01-16 | Nippon Steel Corporation | Rolling mill, and method for setting rolling mill |
CN113399476B (zh) * | 2021-06-21 | 2022-11-22 | 重庆钢铁股份有限公司 | 轧机零调核算保护方法 |
CN117564083B (zh) * | 2024-01-16 | 2024-04-16 | 太原科技大学 | 一种镁合金板材及改善其各向异性的异步角轧工艺 |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5851771B2 (ja) | 1979-05-23 | 1983-11-18 | 株式会社日立製作所 | 圧延における蛇行制御方法 |
JPS59191510A (ja) | 1983-04-13 | 1984-10-30 | Ishikawajima Harima Heavy Ind Co Ltd | 圧延材の蛇行制御方法及び装置 |
JP2554978B2 (ja) | 1992-04-28 | 1996-11-20 | 新日本製鐵株式会社 | 圧延機におけるセンターギャップ及びレベリング調整方法 |
JP2604528B2 (ja) * | 1992-12-15 | 1997-04-30 | 新日本製鐵株式会社 | 板圧延機の圧下設定方法 |
JP3422930B2 (ja) | 1998-05-26 | 2003-07-07 | 新日本製鐵株式会社 | 板圧延機の圧下零点調整方法 |
JP3438764B2 (ja) | 1996-10-29 | 2003-08-18 | Jfeスチール株式会社 | 熱間圧延仕上圧延機のレベリング零調方法 |
JP3487293B2 (ja) | 2001-03-07 | 2004-01-13 | Jfeスチール株式会社 | レベリング調整方法 |
JP3499107B2 (ja) * | 1997-03-24 | 2004-02-23 | 新日本製鐵株式会社 | 板圧延方法および板圧延機 |
JP3505593B2 (ja) | 1996-09-20 | 2004-03-08 | Jfeスチール株式会社 | 熱間圧延仕上圧延機のレベリング零調方法 |
JP3701981B2 (ja) | 1998-02-27 | 2005-10-05 | 新日本製鐵株式会社 | 板圧延方法および板圧延機 |
JP2006116569A (ja) * | 2004-10-22 | 2006-05-11 | Nippon Steel Corp | 金属板材の圧延方法および圧延装置 |
JP2008161934A (ja) * | 2006-12-05 | 2008-07-17 | Nippon Steel Corp | 金属板材の圧延方法および圧延装置 |
JP4214150B2 (ja) | 2003-03-20 | 2009-01-28 | 新日本製鐵株式会社 | 金属板材の圧延方法および圧延装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5851771A (ja) | 1981-09-22 | 1983-03-26 | Kansai Electric Power Co Inc:The | サイリスタの保護方式 |
JPS59189011A (ja) | 1983-04-12 | 1984-10-26 | Ishikawajima Harima Heavy Ind Co Ltd | 圧延材の蛇行及び横曲り制御方法及びその装置 |
US4885319A (en) | 1988-02-29 | 1989-12-05 | Gaf Corporation | Solvent resistant irradiation curable coatings |
JPH04214150A (ja) | 1990-07-31 | 1992-08-05 | Toto Ltd | フィルタ目詰まり検知機能を有する浴槽用給湯システム |
CN100484654C (zh) * | 2006-10-16 | 2009-05-06 | 马鞍山钢铁股份有限公司 | 万能型钢轧机的轧辊调零控制方法 |
-
2011
- 2011-04-11 JP JP2011525770A patent/JP4819202B1/ja active Active
- 2011-04-11 CN CN2011800040643A patent/CN102548678B/zh not_active Expired - Fee Related
- 2011-04-11 EP EP11768974.5A patent/EP2489447B1/en not_active Not-in-force
- 2011-04-11 KR KR1020127004780A patent/KR101184035B1/ko active IP Right Grant
- 2011-04-11 WO PCT/JP2011/059457 patent/WO2011129453A1/ja active Application Filing
- 2011-04-11 US US13/581,683 patent/US8973419B2/en not_active Expired - Fee Related
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5851771B2 (ja) | 1979-05-23 | 1983-11-18 | 株式会社日立製作所 | 圧延における蛇行制御方法 |
JPS59191510A (ja) | 1983-04-13 | 1984-10-30 | Ishikawajima Harima Heavy Ind Co Ltd | 圧延材の蛇行制御方法及び装置 |
JP2554978B2 (ja) | 1992-04-28 | 1996-11-20 | 新日本製鐵株式会社 | 圧延機におけるセンターギャップ及びレベリング調整方法 |
JP2604528B2 (ja) * | 1992-12-15 | 1997-04-30 | 新日本製鐵株式会社 | 板圧延機の圧下設定方法 |
JP3505593B2 (ja) | 1996-09-20 | 2004-03-08 | Jfeスチール株式会社 | 熱間圧延仕上圧延機のレベリング零調方法 |
JP3438764B2 (ja) | 1996-10-29 | 2003-08-18 | Jfeスチール株式会社 | 熱間圧延仕上圧延機のレベリング零調方法 |
JP3499107B2 (ja) * | 1997-03-24 | 2004-02-23 | 新日本製鐵株式会社 | 板圧延方法および板圧延機 |
JP3701981B2 (ja) | 1998-02-27 | 2005-10-05 | 新日本製鐵株式会社 | 板圧延方法および板圧延機 |
JP3422930B2 (ja) | 1998-05-26 | 2003-07-07 | 新日本製鐵株式会社 | 板圧延機の圧下零点調整方法 |
JP3487293B2 (ja) | 2001-03-07 | 2004-01-13 | Jfeスチール株式会社 | レベリング調整方法 |
JP4214150B2 (ja) | 2003-03-20 | 2009-01-28 | 新日本製鐵株式会社 | 金属板材の圧延方法および圧延装置 |
JP2006116569A (ja) * | 2004-10-22 | 2006-05-11 | Nippon Steel Corp | 金属板材の圧延方法および圧延装置 |
JP2008161934A (ja) * | 2006-12-05 | 2008-07-17 | Nippon Steel Corp | 金属板材の圧延方法および圧延装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2489447A4 * |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102363160A (zh) * | 2011-11-21 | 2012-02-29 | 安阳钢铁股份有限公司 | 一种生产花纹板的轧机零调方法 |
WO2014003014A1 (ja) | 2012-06-26 | 2014-01-03 | 新日鐵住金株式会社 | 金属板材の圧延装置 |
WO2014003016A1 (ja) | 2012-06-26 | 2014-01-03 | 新日鐵住金株式会社 | 金属板材の圧延装置 |
JP5534113B1 (ja) * | 2012-06-26 | 2014-06-25 | 新日鐵住金株式会社 | 金属板材の圧延装置 |
US20140283573A1 (en) * | 2012-06-26 | 2014-09-25 | Nippon Steel & Sumitomo Metal Corporation | Rolling apparatus for flat-rolled metal materials |
US20140305179A1 (en) * | 2012-06-26 | 2014-10-16 | Nippon Steel & Sumitomo Metal Corporation | Rolling apparatus for flat-rolled metal materials |
KR20140128408A (ko) | 2012-06-26 | 2014-11-05 | 신닛테츠스미킨 카부시키카이샤 | 금속 판재의 압연 장치 |
EP2792427A4 (en) * | 2012-06-26 | 2015-09-09 | Nippon Steel & Sumitomo Metal Corp | DEVICE FOR ROLLING METAL SHEETS |
US9770746B2 (en) | 2012-06-26 | 2017-09-26 | Nippon Steel & Sumitomo Metal Corporation | Rolling apparatus for flat-rolled metal materials |
US9770747B2 (en) | 2012-06-26 | 2017-09-26 | Nippon Steel & Sumitomo Metal Corporation | Rolling apparatus for flat-rolled metal materials |
JPWO2018083794A1 (ja) * | 2016-11-07 | 2018-11-01 | Primetals Technologies Japan株式会社 | 圧延機及び圧延機の調整方法 |
WO2019039583A1 (ja) * | 2017-08-24 | 2019-02-28 | 新日鐵住金株式会社 | 圧延機及び圧延機の設定方法 |
JP6547917B1 (ja) * | 2017-08-24 | 2019-07-24 | 日本製鉄株式会社 | 圧延機及び圧延機の設定方法 |
WO2020036123A1 (ja) * | 2018-08-13 | 2020-02-20 | 日本製鉄株式会社 | スラスト反力作用点位置の同定方法及び圧延材の圧延方法 |
JPWO2020036123A1 (ja) * | 2018-08-13 | 2021-05-13 | 日本製鉄株式会社 | スラスト反力作用点位置の同定方法及び圧延材の圧延方法 |
JP7001168B2 (ja) | 2018-08-13 | 2022-01-19 | 日本製鉄株式会社 | スラスト反力作用点位置の同定方法及び圧延材の圧延方法 |
JP2020040097A (ja) * | 2018-09-12 | 2020-03-19 | 日本製鉄株式会社 | 圧延機及び圧延機の設定方法 |
JP7127447B2 (ja) | 2018-09-12 | 2022-08-30 | 日本製鉄株式会社 | 圧延機の設定方法 |
JP2019104063A (ja) * | 2019-02-01 | 2019-06-27 | Primetals Technologies Japan株式会社 | 圧延機及び圧延機の調整方法 |
CN113857237A (zh) * | 2021-07-29 | 2021-12-31 | 北京弥天科技有限公司 | 一种h型钢多级轧制装置 |
CN113857237B (zh) * | 2021-07-29 | 2024-04-16 | 北京弥天科技有限公司 | 一种h型钢多级轧制装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2489447B1 (en) | 2013-08-21 |
US8973419B2 (en) | 2015-03-10 |
CN102548678A (zh) | 2012-07-04 |
KR20120027550A (ko) | 2012-03-21 |
JP4819202B1 (ja) | 2011-11-24 |
CN102548678B (zh) | 2013-03-27 |
EP2489447A1 (en) | 2012-08-22 |
KR101184035B1 (ko) | 2012-09-17 |
US20130000371A1 (en) | 2013-01-03 |
EP2489447A4 (en) | 2012-08-22 |
JPWO2011129453A1 (ja) | 2013-07-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4819202B1 (ja) | 圧延機および圧延機の零調方法 | |
US20220126341A1 (en) | Rolling mill and rolling mill adjustment method | |
JP4214150B2 (ja) | 金属板材の圧延方法および圧延装置 | |
JP5026091B2 (ja) | 金属板材の圧延方法及び圧延装置 | |
JP2009208151A (ja) | 金属板材の圧延方法及び圧延装置 | |
JP7127447B2 (ja) | 圧延機の設定方法 | |
JP4267609B2 (ja) | 金属板材の圧延方法および圧延装置 | |
JP4505550B2 (ja) | 金属板材の圧延方法および圧延装置 | |
CN112437701B (zh) | 轧机和轧机的设定方法 | |
KR20140121128A (ko) | 압연기의 롤 압력 제어장치 | |
JP7127446B2 (ja) | 圧延機の設定方法 | |
JP2007190579A (ja) | 金属板材の圧延方法および圧延装置 | |
JP4256827B2 (ja) | 金属板材の圧延方法および圧延装置 | |
JP4181000B2 (ja) | 板圧延機の変形特性同定方法およびそれを用いる板圧延方法 | |
KR20200124297A (ko) | 압연기의 설정 방법 및 압연기 | |
CN112243394A (zh) | 轧机以及轧机的设定方法 | |
JP4009116B2 (ja) | 板圧延機の変形特性の同定方法および圧延方法 | |
JP2005254275A (ja) | 金属板材の圧延方法および圧延装置 | |
JP4402570B2 (ja) | 板プロファイル制御装置 | |
JPH0839123A (ja) | 熱間圧延における絞り込み防止方法 | |
JPH11333506A (ja) | 板圧延機の圧下零点調整方法 | |
CN113056337A (zh) | 轧制设备及轧制方法 | |
JPS62244507A (ja) | 板圧延におけるエツジドロツプ制御方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201180004064.3 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011525770 Country of ref document: JP |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11768974 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20127004780 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011768974 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13581683 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |