CN103551532A - Thin-strip continuous casting machine and working method thereof - Google Patents
Thin-strip continuous casting machine and working method thereof Download PDFInfo
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Abstract
The invention provides a double-roller thin-strip continuous casting machine and a working method thereof. The casting machine comprises a motor, a reduction gearbox, transmission shafts, two casting rollers, corresponding bearing blocks, two machine frame housings, a replacement framework and two balance oil cylinders, wherein the two casting rollers are driven by the transmission shafts; the machine frame housings are of a U-shaped structure respectively; the upper parts of the machine frame housings are connected by pull rods, so that a closed type casting machine frame is formed; the general rigidity of the casting machine frame can be adjusted via a mode that the pull rods of various section sizes are replaced; the lower parts of the two housings are connected by cross beams; the replacement framework is arranged in the two machine frame housings; the two bearing blocks can relatively move along a guide rail on the replacement framework; a casting-rolling force sensor is arranged between one bearing block and the corresponding machine frame housing; one side of the casting-rolling force sensor is fixedly arranged on the machine frame housing; a casting roller on the side is a fixed roller; a hydraulic cylinder for adjusting the position of the casting roller is arranged between the other bearing block and the corresponding machine frame housing; the hydraulic cylinder is fixedly arranged on the machine frame housing; a displacement sensor is arranged on the hydraulic cylinder; the two balance oil cylinders are arranged between the two bearing blocks respectively and installed on the bearing block on any side.
Description
Technical field
The invention belongs to continuous casting technology, particularly a kind of thin strap continuous casting casting machine and operational method thereof.
Background technology
The a lot of countries in the world carry out the research work of twin-roll thin strip continuous casting technique at present, this technique by molten steel cast directly over one by two, relatively rotate and molten bath that casting roll that can be cooling fast and lateral seal surround in, molten steel is cooled and solidifies in the peripheral surface of casting roll rotation, and then form solidified shell and grow gradually and then in two casting roll roll gap gaps minimums, locate to be pressed together, finally at band outlet, form the thick metal thin strip of 1-5mm, band is sent into by pinch roll the strip that is rolled into 0.7-2.5mm in milling train via guide plate guiding, then by rollgang, drive and carry out cooling through spray cooling device, finally sending into coiling machine batches.
Different from traditional continuous casing, the method does not need through multiple tracks hot-rolled process, can greatly simplify strip production technology and reduce equipment investment.In addition, because the setting time of metal in whole production process is shorter, so the intensity of the refinement of thin strap continuous casting product grains, material, toughness percentage elongation increase.
In world wide, a plurality of companies and research institution are all carrying out this respect research work at present, and set up pilot plant, it is many as US5277243A1 that each research institution adopts, EP0947261A2, the similar casting machine structure of introducing in WO2004098814A1, that is: take a fixed frame as basis, the main equipment-casting roll of casting machine and supporting mechanism thereof by transport the servicing units such as dolly can Fast Installation or dismounting in framework.
Double-roll thin-belt continuous casting machine as above, in the situation that the technological parameters such as hypothesis liquid level, Cast Strip pulling rate fluctuation are constant, in casting cycle, formed Cast Strip thickness is mainly subject to following three factors impact, frame stress deformation Δ s, casting roll temperature distortion Δ r and bearing clearance δ thereof, that is:
Δh=Δs+δ+Δr 1）
In above formula, h is Cast Strip thickness.And the control accuracy of hydraulic system is determined according to casting-rolling force fluctuation range, in general, casting-rolling force fluctuation is less, and the control accuracy of hydraulic system is higher.Wherein, casting roll temperature distortion amount Δ r calculates and can obtain according to theoretical formula, its computational methods comparative maturity.And bearing clearance δ is relevant with the size of casting-rolling force F, also can know by empirical equation or bearing handbook.
Different from milling train, because the casting-rolling force producing in thin strap continuous casting casting cycle is smaller, the deflection Δ s of casting machine frame calculates as the spring equation of milling train owing to existing gap directly not apply between bearing block and casting machine frame.So, need to eliminate gap by applying the mode of external force, such as by add the method for swelling oil cylinder between casting roll bearing block, by this method, casting machine frame integral rigidity is improved, even if the benefit that the method is brought is---have less casting-rolling force fluctuation, its stand stretch causing can not cause Cast Strip thickness to have greatly changed.According to formula 2-3, the variation of extrapolating bearing clearance according to the variation of casting-rolling force in casting cycle can compensate in time, can control Cast Strip thickness and precision comprehensively.
Because Cast Strip is directly rolled after going out casting machine, and often only carry out 1-2 mill milling, so, to surface quality of casting belt, surface roughness and template situation, require very high, utilize method and the device in casting machine of the present invention, mentioned can guarantee that the template of Cast Strip is good, casting machine working stability during casting operation.
Summary of the invention
The object of the invention is to propose a kind of thin strap continuous casting casting machine form and operational method thereof, casting machine has fast changeable casting roll and agent structure, can high operating efficiency; Casting machine memorial archway can change casting machine frame global stiffness by changing the method for pull bar specification, to meet different casting process needs.Casting machine also has constant casting-rolling force and two kinds of control models of constant roll gap control simultaneously, can accurately control Cast Strip thickness and precision, thereby can obtain good casting strip quality, and particularly Cast Strip thickness and precision is improved.The present invention is applicable to the metal Cast Strip with double-roll type strip caster cast thickness 1.0-5mm.
For achieving the above object, technical scheme of the present invention is:
A kind of double-roll thin-belt continuous casting machine, comprise, two casting rolls that motor, reduction box, power transmission shaft and power transmission shaft drive and corresponding bearing block, it also comprises, two-chip computer frame memorial archway, framework memorial archway is U-shaped structure, top is connected by pull bar, form an enclosed casting machine frame, tie rod end is established the adjustable prestressed nut acting on framework memorial archway; Two memorial archway bottoms are connected by crossbeam, and are fixed on basis; Change framework, be arranged in two framework memorial archways, change on framework and establish guide rail; Diaxon bearing can relatively move along guide rail; Wherein, between a bearing block and a framework memorial archway, establish casting-rolling force sensor, casting-rolling force sensor one side is fixed on framework memorial archway, and this side casting roll is stationary roll; Between another bearing block and another framework memorial archway, establish the hydraulic cylinder for casting roll position adjustments, hydraulic cylinder is fixed on framework memorial archway, establishes displacement transducer on it, and this side casting roll is mobile roller, and described hydraulic cylinder is movable roller hydraulic cylinder; Stationary roll Shift cylinder, is arranged between the bearing block and framework memorial archway of stationary roll side, and this stationary roll Shift cylinder is positioned at casting-rolling force sensor below; Two balancing cylinders, are arranged at respectively between described diaxon bearing, and are installed on the bearing block of any side.
Further, it is one group that described balancing cylinder adopts two hydraulic cylinders, be symmetrical in respectively casting roll axis and be arranged on bearing block, or balancing cylinder adopts a hydraulic cylinder, its axis and casting roll dead in line installation.
Between casting-rolling force sensor and framework memorial archway, be useful on and regulate fixation side casting roll with respect to the adjusting pad of the position of casting center line.
In addition, replacing base of frame of the present invention is provided with two detents, correspondingly, is provided with corresponding two projections on framework memorial archway, changes framework on being arranged on framework memorial archway time, and projection is inserted in groove, realizes and changes framework location.
Two casting rolls can be free to slide under the support of bearing block on lifting frame, and another casting roll is parallel separately or close relatively in casting cycle, to have a casting roll at least, to regulate the gap between the two.The position adjustments of casting roll is carried out by being fixed on hydraulic cylinder in frame or the executive components such as threaded screw rod device of driven by motor, and has at least therein between a casting roll bearing block and machine frame casting-rolling force sensor is installed, and can measure in real time casting-rolling force.
Between the pair of bearing of two casting roll the same sides, hydraulic cylinder is installed as balancing cylinder, it is fixed therein on the bearing block of a casting roll, this balancing cylinder can take constant pressure to control, so that it is constant all the time to act on two pressure on casting roll bearing block, and eliminate the structure interval on whole casting-rolling force transmission system chain, improve the global stiffness of casting machine frame.Described casting machine framework memorial archway can be used drag link mechanism to become an enclosed casting machine frame.
Casting machine of the present invention, based on the design of thin strap continuous casting typical process, adopts fixing casting machine memorial archway, and the mode of lifting is changed casting main equipment, realizes fast and stable and produces.Casting machine of the present invention adopts single motor-driven, motor by after reduction box reduction of speed by power distribution to power transmission shaft, power transmission shaft drives casting roll to rotate in opposite directions, casting roll is with refrigerating function, relative driving end, the casting roll other end is provided with rotary sealing appts, for providing cooling medium to casting roll inside, this medium can be that water, the aqueous solution or other have the fluid of quick conductive performance, and the present invention's cooling medium is water.
Casting-rolling force installation of sensors is on fixation side framework memorial archway.Between casting-rolling force sensor and framework memorial archway, have and regulate pad for regulating stationary roll with respect to the position of casting center line, maintain stationary roll axle center with respect to half for the initial roll gap of casting of distance between center line of casting.
Described balancing cylinder is arranged on the bearing block of any side, can adopt two one group to be symmetrical in crystallization roll axis and to be arranged on bearing block, or adopt a hydraulic cylinder, and its axis and casting roll dead in line are installed.Balance hydraulic cylinder adopts constant pressure to control, and the hydraulic cylinder scope of exerting oneself is 10-100 target casting-rolling force doubly, to eliminate the gap between each parts in casting machine system.
Described casting machine framework memorial archway rigidity requirement is enough high, and the stand stretch amount Δ h that the casting-rolling force undulate quantity Δ F that need make to produce in casting cycle causes is less than the thickness of slab change tolerance [h] that steel band allows, as shown in the formula 2).In order to improve casting machine frame global stiffness, the present invention is provided with drag link mechanism on every a slice memorial archway top and becomes a closed frame.And can change according to different parameters such as cast steel grade and thickness the specification of pull bar, thus change the rigidity of casting machine, to meet formula 2.
In formula: K-casting machine frame global stiffness (t/mm).
Δ F-casting-rolling force variation (t).
The casting machine operational method of double-roll thin-belt continuous casting machine of the present invention, comprises the steps:
A) first, casting roll and bearing block thereof are arranged on replacing framework, and fix its mutual alignment, prepare lifting; Now the movable roller hydraulic cylinder of casting machine, stationary roll Shift cylinder and balancing cylinder are in complete rollback state;
B) change framework and carrying casting roll assembly and call in framework memorial archway, wherein change the groove of base of frame and the projection on framework memorial archway and combine, fix the two relative position; The nut of adjusting tie rod end acts on the pretightning force on framework memorial archway with adjusting yoke; Balancing cylinder stretches out, two casting rolls are leaned against respectively on casting-rolling force sensor and movable roller hydraulic cylinder, and pressure to the pressure acting between diaxon bearing that raises gradually reaches goal pressure, be 10-100 casting-rolling force doubly, after reaching target force, balancing cylinder keeps constant pressure, until cast;
C) movable roller hydraulic cylinder action, promotes mobile roller near stationary roll, until the minimum gap between two rollers reaches casting roll gap, in this process, balancing cylinder keeps constant pressure; Wait for casting operation;
D) open and water
In casting cycle, raise gradually until reach stable due to casting roll temperature, now casting roll roller footpath constantly increases until its maximum swelling amount, and movable roller hydraulic cylinder becomes and reduces greatly elongation according to casting roll roller footpath, until roller footpath does not change; Keep actual roll gap constant, above-mentioned control program is constant roll gap control model; Or, adopt constant casting-rolling force control model, according to the measurement variation of casting-rolling force sensor, change accordingly the position of mobile roller, maintenance casting-rolling force all the time surrounding target casting-rolling force fluctuates in a narrow margin, and fluctuation range is less than 2%;
E) casting finishes, movable roller hydraulic cylinder rollback, mobile roller bearing block drives mobile roller to retreat to next time initial installation site in the promotion of balancing cylinder, balancing cylinder unloading active force, stationary roll Shift cylinder stretches out stationary roller shaft bearing is pushed into installation site, the relative position of two casting rolls of locking, removes pull bar, waits for hanging out and changes framework and casting roll assembly.
Further, in step b), can also regulate casting machine frame global stiffness by changing the pull bar of different cross section size.
Again, in step a), according to the variation in casting roll roller footpath, by regulating the thickness of pad to regulate between casting-rolling force sensor and framework memorial archway, half that the minimum range that keeps stationary roll roll surface and casting center line is casting roll gap.
The difference part of the present invention and prior art is:
In European patent EP 0138059A1, propose a kind of casting machine form, the method adopts a hydraulic cylinder device to regulate roll gap between two casting roll bearing blocks.Difference is that, in this invention, the cylinder pressure that control system initiatively changes between bearing block according to the variation of casting-rolling force is realized roll gap variation.And in the present invention, the hydraulic cylinder between bearing block only has the effect that keeps constant pressure.This usage can be reacted truly casting-rolling force and be changed, and is convenient to casting-rolling force sensor and measures accurately casting-rolling force.Meanwhile, between bearing block, keep constant equilibrant force can eliminate the gap between the parts such as bearing block, roll gap control accuracy is had to negative effect.
Casting machine version and difference of the present invention that German patent DE 10102822A adopts are, a) this patent scheme adopts U-shaped open top roll housing, and casting roll is arranged on a carrying dolly, by hydraulic cylinder, draw replacing, in description, also propose to adopt lifting mode to change casting roll, but for concrete form is provided.Adopt in the present invention the U-shaped frame with tie rod, adopt the form of lifting to change casting roll and bearing frame thereof, and the method and structure form of changing casting roll that lifts has been described in detail in detail.B) to this than in patent, the hydraulic cylinder between two casting roll bearing blocks has constant pressure or changeable pressure function, for changing the distance between casting roll, this way is obviously different from the present invention.And this usage can not react truly casting-rolling force and change, be unfavorable for eliminating the gap between the parts such as bearing block simultaneously, this is also the most significantly to distinguish with its present invention.
Major advantage of the present invention is:
1, frame stiffness variable is controlled, and can change and control in real time Cast Strip varied in thickness according to casting situation.
2, eliminate the equipment gap in fixed frame, improve detection sensitivity and the accuracy of casting-rolling force sensor.The replaceable main body frame of lift-on/lift-off type, is convenient to overhaul of the equipments, dismounting.
3, can adopt constant casting-rolling force and constant position to control two kinds of control models, have good Technological adaptability.
Accompanying drawing explanation
Fig. 1 is the top view schematic diagram of casting machine of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is that casting machine of the present invention is waited for lifting view.
Fig. 4 is that casting machine of the present invention installs complete view.
Fig. 5 is that the present invention waits for casting view.
Fig. 6 is that casting machine of the present invention prepares to disassemble view.
The specific embodiment
Referring to Fig. 1～Fig. 6, a kind of double-roll thin-belt continuous casting machine of the present invention, comprises, motor 1, reduction box 2, power transmission shaft 3,3 ' and two casting rolls 4 that drive of power transmission shaft 3,3 ', 4 ' and corresponding bearing block 5,5 ', 6,6 '.Casting machine of the present invention adopts single motor-driven, by gearbox 2, power transmission shaft 3,3 ', by transmission of power, gives two counterrotating casting rolls 4,4 '.
The present invention also comprises, two-chip computer frame memorial archway 7,7 ', and the U-shaped structure of framework memorial archway, top is connected by pull bar 8,8 ', forms a closed frame, and the adjustable prestressed nut 17 acting on framework memorial archway 7,7 ' is established in pull bar 8,8 ' end; Two memorial archway 7,7 ' bottoms are connected by crossbeam 9,9 ', and are fixed on basis; Change framework 10, be arranged in two framework memorial archways 7,7 ', change on framework 10 and establish guide rail; It is example that diaxon bearing 5,6(be take bearing block 5,6, lower with) can relatively move along guide rail; Wherein, between a bearing block 5 and a framework memorial archway 7, establish casting-rolling force sensor 11(and take one end casting roll 4 as example, lower same), casting-rolling force sensor 11 1 sides are fixed on framework memorial archway 7, and this side casting roll 4 is stationary roll; Between another bearing block 6 and the other end of framework memorial archway 7, establish the hydraulic cylinder 12 for casting roll position adjustments, hydraulic cylinder 12 is fixed on framework memorial archway 7, establishes displacement transducer 13 on it, and this side casting roll 4 ' is mobile roller, and described hydraulic cylinder 12 is movable roller hydraulic cylinder; Stationary roll Shift cylinder 14, is arranged between the bearing block 6 and framework memorial archway 7 of stationary roll side, and this stationary roll Shift cylinder 14 is positioned at casting-rolling force sensor 11 belows; Two balancing cylinders 15,15 ', are arranged at respectively between described bearing block 5,6 and 5 ', 6 ', and are installed on the bearing block of any side.
Further, it is one group that described balancing cylinder 15 adopts two hydraulic cylinders, be symmetrical in respectively casting roll axis and be arranged on bearing block, or balancing cylinder adopts a hydraulic cylinder, its axis and casting roll dead in line installation.
Between casting-rolling force sensor 11 and framework memorial archway 7, be useful on and regulate fixation side casting roll with respect to the adjusting pad 16 of the position of casting center line again.
As shown in Figure 3, replacing framework of the present invention 10 bottoms are provided with two detents 101, correspondingly, at framework memorial archway 7(, take framework memorial archway 7 as example, be provided with corresponding two projections 71 down together), change framework 10 on being arranged on framework memorial archway time, projection 71 is inserted in detents 101, realizes and changes framework 10 location.
The casting machine operational method of double-roll thin-belt continuous casting machine of the present invention, comprises the steps:
A) first, casting roll and bearing block thereof are arranged on replacing framework, and fix its mutual alignment, prepare lifting; Now the movable roller hydraulic cylinder of casting machine, stationary roll Shift cylinder and balancing cylinder are in complete rollback state;
B) change framework and carrying casting roll assembly and call in framework memorial archway, wherein change the groove of base of frame and the projection on framework memorial archway and combine, fix the two relative position; The nut of adjusting tie rod end acts on the pretightning force on framework memorial archway with adjusting yoke; Balancing cylinder stretches out, two casting rolls are leaned against respectively on casting-rolling force sensor and movable roller hydraulic cylinder, and pressure to the pressure acting between diaxon bearing that raises gradually reaches goal pressure, be 10-100 casting-rolling force doubly, after reaching target force, balancing cylinder keeps constant pressure, until cast;
C) movable roller hydraulic cylinder action, promotes mobile roller near stationary roll, until the minimum gap between two rollers reaches casting roll gap, in this process, balancing cylinder keeps constant pressure; Wait for casting operation;
D) open and water
In casting cycle, raise gradually until reach stable due to casting roll temperature, now casting roll roller footpath constantly increases until its maximum swelling amount, and movable roller hydraulic cylinder becomes and reduces greatly elongation according to casting roll roller footpath, until roller footpath does not change; Keep actual roll gap constant, above-mentioned control program is constant roll gap control model; Or, adopt constant casting-rolling force control model, according to the measurement variation of casting-rolling force sensor, change accordingly the position of mobile roller, maintenance casting-rolling force all the time surrounding target casting-rolling force fluctuates in a narrow margin, and fluctuation range is less than 2%;
E) casting finishes, movable roller hydraulic cylinder rollback, mobile roller bearing block drives mobile roller to retreat to next time initial installation site in the promotion of balancing cylinder, balancing cylinder unloading active force, stationary roll Shift cylinder stretches out stationary roller shaft bearing is pushed into installation site, the relative position of two casting rolls of locking, removes pull bar, waits for hanging out and changes framework and casting roll assembly.
Further, in step b), can also regulate casting machine frame global stiffness by changing the pull bar of different cross section size.
Again, in step a), according to the variation in casting roll roller footpath, by regulating the thickness of pad to regulate between casting-rolling force sensor and framework memorial archway, half that the minimum range that keeps stationary roll roll surface and casting center line is casting roll gap.
In sum, casting machine of the present invention has fast changeable casting roll and agent structure, can high operating efficiency; Casting machine memorial archway changes casting machine frame global stiffness by changing the method for pull bar specification, to meet different casting process needs; Casting machine also has constant casting-rolling force and two kinds of control models of constant roll gap control simultaneously, can accurately control Cast Strip thickness and precision, thereby can obtain good casting strip quality, and particularly Cast Strip thickness and precision is improved.
Claims (7)
1. a double-roll thin-belt continuous casting machine, comprises, two casting rolls that motor, reduction box, power transmission shaft and power transmission shaft drive and corresponding bearing block, is characterized in that, also comprise,
Two-chip computer frame memorial archway, framework memorial archway is U-shaped structure, and top is connected by pull bar, forms an enclosed casting machine frame, and tie rod end is established the adjustable prestressed nut acting on framework memorial archway; Two memorial archway bottoms are connected by crossbeam, and are fixed on basis;
Change framework, be arranged in two framework memorial archways, change on framework and establish guide rail; Diaxon bearing can relatively move along guide rail; Wherein, between a bearing block and a framework memorial archway, establish casting-rolling force sensor, casting-rolling force sensor one side is fixed on framework memorial archway, and this side casting roll is stationary roll; Between another bearing block and another framework memorial archway, establish the hydraulic cylinder for casting roll position adjustments, hydraulic cylinder is fixed on framework memorial archway, establishes displacement transducer on it, and this side casting roll is mobile roller, and described hydraulic cylinder is movable roller hydraulic cylinder;
Stationary roll Shift cylinder, is arranged between the bearing block and framework memorial archway of stationary roll side, and this stationary roll Shift cylinder is positioned at casting-rolling force sensor below;
Two balancing cylinders, are arranged at respectively between described diaxon bearing, and are installed on the bearing block of any side.
2. double-roll thin-belt continuous casting machine as claimed in claim 1, it is characterized in that, it is one group that described balancing cylinder adopts two hydraulic cylinders, is symmetrical in respectively casting roll axis and is arranged on bearing block, or balancing cylinder adopts a hydraulic cylinder, its axis and casting roll dead in line installation.
3. double-roll thin-belt continuous casting machine as claimed in claim 1, is characterized in that, is useful on and regulates fixation side casting roll with respect to the adjusting pad of the position of casting center line between casting-rolling force sensor and framework memorial archway.
4. double-roll thin-belt continuous casting machine as claimed in claim 1, it is characterized in that, described replacing base of frame is provided with two detents, correspondingly, on framework memorial archway, be provided with corresponding two projections, change framework on being arranged on framework memorial archway time, projection is inserted in groove, realizes and changes framework location.
5. the casting machine operational method of double-roll thin-belt continuous casting machine as claimed in claim 1, comprises the steps:
A) first, casting roll and bearing block thereof are arranged on replacing framework, and fix its mutual alignment, prepare lifting; Now the movable roller hydraulic cylinder of casting machine, stationary roll Shift cylinder and balancing cylinder are in complete rollback state;
B) change framework and carrying casting roll assembly and call in framework memorial archway, wherein change the groove of base of frame and the projection on framework memorial archway and combine, fix the two relative position; The nut of adjusting tie rod end acts on the pretightning force on framework memorial archway with adjusting yoke; Balancing cylinder stretches out, two casting rolls are leaned against respectively on casting-rolling force sensor and movable roller hydraulic cylinder, and pressure to the pressure acting between diaxon bearing that raises gradually reaches goal pressure, be 10-100 casting-rolling force doubly, after reaching target force, balancing cylinder keeps constant pressure, until cast;
C) movable roller hydraulic cylinder action, promotes mobile roller near stationary roll, until the minimum gap between two rollers reaches casting roll gap, in this process, balancing cylinder keeps constant pressure; Wait for casting operation;
D) open and water
In casting cycle, raise gradually until reach stable due to casting roll temperature, now casting roll roller footpath constantly increases until its maximum swelling amount, and movable roller hydraulic cylinder becomes and reduces greatly elongation according to casting roll roller footpath, until roller footpath does not change; Keep actual roll gap constant, above-mentioned control program is constant roll gap control model; Or, adopt constant casting-rolling force control model, according to the measurement variation of casting-rolling force sensor, change accordingly the position of mobile roller, maintenance casting-rolling force all the time surrounding target casting-rolling force fluctuates in a narrow margin, and fluctuation range is less than 2%;
E) casting finishes, movable roller hydraulic cylinder rollback, mobile roller bearing block drives mobile roller to retreat to next time initial installation site in the promotion of balancing cylinder, balancing cylinder unloading active force, stationary roll Shift cylinder stretches out stationary roller shaft bearing is pushed into installation site, the relative position of two casting rolls of locking, removes pull bar, waits for hanging out and changes framework and casting roll assembly.
6. the casting machine operational method of double-roll thin-belt continuous casting machine as claimed in claim 5, is characterized in that, in step b), can also regulate casting machine frame global stiffness by changing the pull bar of different cross section size.
7. the casting machine operational method of double-roll thin-belt continuous casting machine as claimed in claim 5, it is characterized in that, in step a), according to the variation in casting roll roller footpath, by regulating the thickness of pad to regulate between casting-rolling force sensor and framework memorial archway, half that the minimum range that keeps stationary roll roll surface and casting center line is casting roll gap.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10032548B2 (en) | 2014-09-28 | 2018-07-24 | Northeastern University | Preparation method of oriented high silicon steel |
| CN110039016A (en) * | 2019-05-17 | 2019-07-23 | 河南鑫泰铝业有限公司 | A kind of steel and non-ferrous metal continuous casting and rolling device |
| CN111014299A (en) * | 2019-11-12 | 2020-04-17 | 上海宝钢工业技术服务有限公司 | Online mounting method for hot rolling coiler wrapper roller frame bearing pedestal |
| CN113770318A (en) * | 2021-08-06 | 2021-12-10 | 东北大学 | Method and device for controlling casting force and roll gap of casting roll in thin strip continuous casting |
| CN114960252A (en) * | 2022-06-21 | 2022-08-30 | 汶瑞机械(山东)有限公司 | Line pressure adjusting mechanism for roller of double-roller pulp washer |
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| CN110039016B (en) * | 2019-05-17 | 2024-05-14 | 河南鑫泰铝业有限公司 | Continuous casting and rolling device for steel and nonferrous metal |
| CN111014299A (en) * | 2019-11-12 | 2020-04-17 | 上海宝钢工业技术服务有限公司 | Online mounting method for hot rolling coiler wrapper roller frame bearing pedestal |
| CN111014299B (en) * | 2019-11-12 | 2022-08-09 | 上海宝钢工业技术服务有限公司 | Online mounting method for hot rolling coiler wrapper roller frame bearing pedestal |
| CN113770318A (en) * | 2021-08-06 | 2021-12-10 | 东北大学 | Method and device for controlling casting force and roll gap of casting roll in thin strip continuous casting |
| WO2023065214A1 (en) * | 2021-10-21 | 2023-04-27 | 舍弗勒技术股份两合公司 | Bearing seat for continuous casting machine and bearing assembly |
| CN114960252A (en) * | 2022-06-21 | 2022-08-30 | 汶瑞机械(山东)有限公司 | Line pressure adjusting mechanism for roller of double-roller pulp washer |
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| CN103551532B (en) | 2017-01-11 |
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