180results about "Tension/compression control device" patented technology

The invention relates to the technical field of metal material processing, and discloses a manufacturing method for continuous cast rolling of an aluminum strip for a 3104 aluminum louver, which comprises the following steps: S1, melting and refining 3104 aluminum alloy, and then stably conveying molten aluminum with the temperature maintained at 680-720 DEG C; s2, the molten aluminum is introduced into a high-frequency electromagnetic induction suspension molding area, the molten aluminum is suspended under the action of a main suspension coil, and a semi-solid strip blank with the solid outer layer and the liquid inner layer is formed; s3, the semi-solid strip blank sequentially passes through a non-contact high-energy ultrasonic energy field and an atomization cooling area; and S4, the treated semi-solid strip blank is guided into a flexible synchronous rolling roller to be rolled, and the strip with the set thickness is obtained. The semi-solid strip blank is formed by the molten aluminum in a non-contact state in an electromagnetic induction suspension mode, direct contact between the molten aluminum and a low-temperature mold is avoided, and therefore formation of strip surface defects caused by the chilling effect is restrained.

The application discloses a high-nickel stainless steel rolling equipment with a tension control function, and relates to the technical field of rolling equipment, which comprises a base, a first motor, a gear box, a first joint shaft, a second joint shaft, a rolling device, a cleaning device and a deviation rectifying device. The rolling device can timely fine-tune the roll gap of a rolling mill, and keep the stress of steel uniform. The cleaning device can adsorb and remove dust, impurities and fine metal particles attached to raw materials by static electricity before rolling starts. Meanwhile, the cleaning device can perform self-cleaning when the equipment is shut down or during rolling process intervals, thereby ensuring the cleaning efficiency in the next use. The deviation rectifying device can automatically adjust the rotation angle and pressure of the conical roller when the raw material is transported to the rolling area through the conveying device, so that the raw material gradually returns to the correct conveying path, and the rolling thickness unevenness, edge wave shape or plate shape defects caused by incorrect position are avoided.

The application provides a high-carbon steel continuous skin-pass pickling process method, which adopts the mode of alternating production of high-carbon steel and low-carbon steel, is based on the endless rolling process, and optimizes the entry loop control; meanwhile, the process method adopts the scale breaker process and the welding seam passing mode; the parameters of the tension and straightening machine are optimized in the process method; the surface darkening of high-carbon steel in the shallow grass turbulent pickling is improved, and the pickling and rinsing process are demonstrated through experiments. The high-carbon steel continuous skin-pass pickling process method is based on the pickling process of cold-rolled acid-skin low-carbon steel, and the production of high-carbon steel in the acid-skin line is realized by optimizing various process parameters, so that the requirements of users on the pickling products of high-carbon steel are met; the process method is based on the stable operation of the continuous shallow groove turbulent pickling unit for high-carbon steel, and the surface and shape of the finished product meet the requirements of users on the product quality.

The invention relates to the technical field of hydraulic systems, and provides a hydraulic system and a rolling device. The first electromagnetic directional valve is provided with a first communication port, a second communication port, a third communication port and a fourth communication port, the first communication port is communicated with the first cavity, the second communication port is communicated with the second cavity, the third communication port is communicated with the oil supply pipeline, and the fourth communication port is communicated with the oil return pipeline; the first electromagnetic reversing valve adjusts the operation states of the multiple hydraulic cylinders by switching the communication states of the first communication opening, the second communication opening, the third communication opening and the fourth communication opening. The pressure reducing valve is arranged on a connecting pipeline of the third communicating port and the oil supply pipeline; an oil inlet of the pressure adjusting assembly is communicated with the remote control oil port of the pressure reducing valve, and an oil outlet of the pressure adjusting assembly is communicated with the oil drainage pipeline. According to the scheme, the output pressure of the working roller can be controlled.

This invention belongs to the field of non-oriented silicon steel technology and discloses a method for improving the edge quality of hot-rolled strip steel of high-grade non-oriented silicon steel, including the following steps: 1) setting vertical rolls at the entrance of each stand of the finishing mill and giving a single-sided reference side pressure P. 基 ;2) Detect F i The real-time temperature of the strip at the frame inlet is used to obtain the lateral pressure coefficient L in the length direction. i And the lateral pressure coefficient W in the width direction i ;3) According to F i The thickness H of the strip at the frame entrance is used to obtain the thickness lateral compression coefficient H. i ;4) Select the compositional lateral pressure coefficient X based on the sum of the percentage contents X of Si and Als in the steel. i ;5) Calculate F i Real-time single-sided side pressure P of the vertical roller at the frame entrance i =P 基 ×L i ×W i ×H i ×X i The side pressure is dynamically adjusted based on the calculation results. This invention dynamically adjusts the side pressure of the vertical rolls at the entrance of each stand in the finishing mill to correct strip deviation and improve edge cracks, thereby achieving optimal edge quality.

The invention discloses a method for reducing high-grade non-oriented electrical steel rolling strip breakage, and relates to the technical field of non-oriented electrical steel production. Comprising the following steps of smelting, continuous casting, hot rolling, finishing, normalizing and pickling, rolling, annealing and coating, rewinding and slitting and packaging. The temperature of normalizing treatment is 820-850 DEG C, and cooling is conducted at the cooling speed of 30-50 DEG C / s after normalizing treatment; after acid pickling, the edge of the strip steel is heated to 150-200 DEG C, and then edge cutting is conducted; in the rolling step, the reduction rate of the first pass is controlled to be 32-33%; when the diameter phi of the steel coil is 508-800mm, the coiling tension adopts a taper tension control mode; when the coiling diameter of the strip steel reaches phi 800mm, the coiling tension adopts a constant tension control mode; the rolling strip breakage rate of the high-grade non-oriented electrical steel can be reduced to 40% or below, the production stability and the yield are remarkably improved, and the method is suitable for industrial large-scale production.

The application discloses a method for preventing head and tail breakage of SK85 hot-rolled strip steel. The method comprises the following steps: increasing the length of the head and tail of the flying shear strip steel during the shearing process; reducing the input of the finishing rolling process water during the finishing rolling process; adopting the sparse cooling mode and the hot head and tail process during the layer cooling process; selecting the appropriate range of the strip steel, closing the front side water spraying function of the coiler, and controlling the coiling tension of the tail of the strip steel and increasing the number of the coiling assisting rollers during the coiling process. The technical scheme provided by the application can reduce the possibility of the head and tail breakage of the SK85 hot-rolled strip steel.

The invention belongs to the technical field of ultra-thin strip rolling equipment control, and discloses a high-performance tension control method and system used in the electrified rolling ultra-thin strip process, and the method comprises the following steps: constructing a tension model of a part in an electrified rolling ultra-thin strip system, and calculating the tension of the part on the basis of factors influencing tension changes; determining a rough adjustment open-loop transfer function and a fine adjustment open-loop transfer function of the rolling system; based on the rough adjustment open-loop transfer function, a PID controller is used for controlling a motor to move so as to roughly adjust the tension applied to the ultra-thin strip; based on the fine adjustment open-loop transfer function, a fuzzy PID control strategy optimized by an improved grey wolf algorithm is used for controlling an air cylinder to perform fine adjustment on tension applied to the ultra-thin strip; and acquiring a tension output value, calculating an error between the output value and a target value and an error change rate, and performing tension control through a control algorithm.

The present application relates to non-ferrous metal processing technical field, especially to a kind of based on copper pole subgrain boundary continuous casting and rolling process regulation and control method and system, method includes: acquisition process parameter, constructs process parameter vector, in continuous casting crystallization zone and continuous rolling section set position, respectively acquisition casting blank surface temperature field, subgrain boundary orientation consistency index and rolling traction tension;Based on finite element method discrete calculation casting blank temperature-stress field, constructs coupling subgrain boundary model, to coupling subgrain boundary model parameter is carried out online correction;Based on coupling subgrain boundary model constructs multi-objective collaborative optimization model, using based on cuckoo search and teaching optimization algorithm hybrid algorithm optimization solution, obtain optimal process parameter vector;The optimal process parameter vector is applied to continuous casting and rolling system, and according to the deviation of online monitoring data and prediction triggers re-optimization or alarm. Can simultaneously optimize subgrain boundary size and orientation consistency, significantly improve the mechanical properties and electrical conductivity of copper pole.

The invention relates to a method for operating a rolling mill and to a corresponding rolling mill. The rolling mill comprises a plurality of rolling stands n, numbered n=1 to N, arranged one behind the other in a rolling direction R, each with two rotary-driven work rolls for rolling a metal strip. Furthermore, a strip tension control loop 120 is provided for controlling the actual strip tension of the metal strip 20 in a drawing section 110 between two rolling stands arranged one behind the other to a predetermined target strip tension. In order to reduce thickness deviations in the metal strip being rolled due to acceleration and / or deceleration phases within the framework of said strip tension control, the invention provides that the control variable is applied not only to a rolling stand limiting the drawing section 110 on the exit or entry side, but also to the rotary drives for other rolling stands or rolls upstream or downstream.According to the invention, at least one rotary drive is integrated into the active belt tension control both before and after the belt section.

The present application relates to a kind of rolling method of optimizing the edge drop of non-oriented silicon steel, using 5 machine frame continuous rolling rolling, meet the quality requirement that edge drop index is lower than 5um, the width range of inlet strip steel is in 1020~1300mm, the thickness range of inlet is in 2.2~2.8mm, the thickness range of outlet is in 0.45~0.55mm strip steel process system includes rolling load distribution relationship, tension setting, rolling force setting, 5 machine frame continuous rolling mill bending roll system, 5 machine frame continuous rolling mill roll roll system roll process parameters and rolling lubrication condition, from work roll roll, work roll bending, intermediate roll bending, rolling load distribution, tension, roll gap etc., formulate process system, realize non-oriented silicon steel in high speed stable rolling, realize non-oriented silicon steel in high speed stable rolling, meet the quality requirement that edge drop index is lower than 5um at the same time, under the premise of meeting the quality requirement, improve the economic benefit of production line.

The invention discloses a thin strip steel continuous casting and rolling unit and a strip steel rolling process method thereof, and the thin strip steel continuous casting and rolling unit comprises a steel ladle, a tundish, a transition ladle, a casting roller, a first pinch roller, a first rolling mill, a second rolling mill, a plate shape instrument, a cooling device, a second pinch roller, a flying shear, a turning roller and a coiling machine which are sequentially arranged in the rolling direction. A hot box and a loop are arranged between the first rolling mill and the second rolling mill. The thin-strip continuous casting and rolling unit further comprises a controller electrically connected with the strip shape instrument and a thermodetector electrically connected with the controller, and the thermodetector is used for obtaining the temperature of the strip steel at the preset position. The continuous rolling unit capacity of a thin-strip continuous casting and rolling production line can be brought into full play, guarantee is provided for improving the steel product quality, improving the production efficiency, lowering the operation cost and the like, and conditions are provided for development of high-end steel types (such as ultrahigh-strength steel and silicon steel).

A tension control apparatus controls tension of the material to be rolled when the material to be rolled passed through the final rolling stand of the finishing mill is coiled on a mandrel through pinch rolls. The tension control apparatus is configured to switch rotational driving of the mandrel between speed control and current control. The tension control apparatus includes a selection unit configured to compare torque necessary for the speed control and torque necessary for the current control, and to select small torque as final torque, and an integrator configured to integrate an output of the speed control, and further includes a limit setting unit configured to set, to the integrator, a limit corresponding to a tension reference. The tension control apparatus is configured to prevent an output of the integrator from being saturated.

The invention provides a method for matching the continuous rolling speed of a roughing mill and a finishing mill, which comprises the following steps: S1, acquiring the running speed information of a first finishing mill in real time, the running speed information comprising a roller linear speed obtained by a speed measurement encoder mounted on a motor of an F1 mill; the speed of the rolled piece at the inlet of the rolling mill is obtained through a speed measuring encoder arranged on an outlet pinch roll of the finish rolling descaling box; s2, target values of outlet speeds of rolled pieces of the roughing mill in different rolling stages are calculated and set, and stepped speed control reference values of roller ways in all areas between an outlet of the roughing mill and an inlet of a finishing mill are calculated and set; and S3, according to the target value of the speed and the stepped speed control reference value set in the step S2, a roughing mill, a finishing mill and all sections of roller ways are controlled in a linkage mode. On the premise that the hot rolling production and use precision is guaranteed, it is guaranteed that the roughing mill and the finish rolling first mill work synchronously at the same speed, the roughing and finish rolling continuous rolling function is achieved, and the rolling rhythm is improved.

This application provides a control method for a cold rolling mill, comprising: switching each stand to a rolling force control mode and controlling each stand to fully open its roll gap; for the first stand, adjusting the first roll gap of the first stand according to the corresponding first rolling force, controlling the cold rolling mill to start, and stopping when the first deformation zone of the first stand reaches the exit of the cold rolling mill; for the (n-1)th stand, adjusting the (n-1)th roll gap of the (n-1)th stand according to the corresponding (n-1)th rolling force, controlling the cold rolling mill to start, and stopping when the first deformation zone of the first stand reaches the exit of the (n-1)th stand; for the nth stand, adjusting the nth roll gap of the nth stand according to the corresponding nth rolling force, controlling the cold rolling mill to start, and controlling the cold rolling mill to perform stable rolling when the first deformation zone of the first stand reaches the coiling device. The technical solution of this application embodiment can ensure a smooth and stable start-up of the cold rolling mill.

This invention discloses a method, apparatus, electronic device, and medium for analyzing strip tension. The method includes: collecting tension information of strip steel on a target production line within each preset scanning cycle; calculating the tension fluctuation rate based on the collected tension information; determining whether the tension fluctuation rate is within a target range, where the target range is one of multiple preset fluctuation rate ranges; if so, incrementing the tension fluctuation count in the target range by 1; and determining the strip tension fluctuation status based on the tension fluctuation counts for each of the multiple fluctuation rate ranges. This method enables online analysis of strip tension fluctuation, automatically analyzing strip tension fluctuation data according to a unified standard, which helps improve the accuracy of the tension fluctuation analysis results.

The present application relates to a kind of double loop's loop quantity synchronous control method, belong to the loop pick technology field of metal rolling.The method involves two vertical loops and loop quantity synchronous regulator, and new setting loop quantity synchronous tension roller mechanism between two vertical loops;The speed of the entry strip steel and the speed of the exit strip steel of two loops are measured in real time respectively, while the actual loop quantity of two loops is measured in real time respectively, the reference speed of the tension roller of loop quantity synchronous tension roller mechanism is set according to the average value of the entry strip steel speed and the exit strip steel, the loop quantity difference of the actual loop quantity of two loops is input into loop quantity synchronous regulator, and the output value of loop quantity synchronous regulator is obtained after amplitude limiting and taking opposite processing to obtain loop quantity synchronous correction value;With reference speed plus loop quantity synchronous correction value as the real-time given speed of the tension roller of loop quantity synchronous tension roller mechanism;So as to realize the synchronous control of the loop quantity between two vertical loops without affecting the strip tension in each loop.

The invention discloses a preparation method of a high-precision ultra-wide 50 steel cold-rolled steel strip, and belongs to the technical field of ferrous metallurgy. In the production process of the steel strip, the surface quality of the pickled steel strip is improved by optimizing the pickling process; the total reduction rate of cold rolling is adjusted, the problem of steel strip rolling edge cracking is eliminated, and a product is rolled to the target thickness; a process lubricating system of the rolling mill is optimized, so that the surface quality and the plate shape quality of a product are improved; and the annealing process parameters are optimized, so that the physical properties of the product are ensured. The high-precision ultra-wide 50 steel cold-rolled steel strip is successfully developed by adopting the measures of optimizing chemical components and physical properties of a cold-rolled base material, optimizing an acid pickling process, adjusting the total reduction rate of cold rolling, optimizing a rolling mill process lubricating system and annealing process parameters and the like; the problems that in the using process of a traditional steel belt, the thickness fluctuation is large, the plate shape quality is poor, and the surface quality is poor are solved.

The invention relates to a method for operating a rolling train, and to a corresponding rolling train. The rolling train has a plurality of roll stands n, where n = 1 to N, which are arranged one behind the other in a rolling direction R and each have two rotationally driven working rolls for rolling a metal strip. Furthermore, a strip tension control circuit 120 is provided for controlling the actual strip tension of the metal strip 20 to a predefined target strip tension in a tension section 110 between two roll stands arranged one behind the other. In order to reduce thickness deviations in the metal strip to be rolled, said deviations being caused by acceleration and / or deceleration phases during said strip tension control, the invention proposes that a manipulated variable is applied not only to a roll stand delimiting the tension section 110 on the outlet side or inlet side, but also to the rotary drives for other roll stands or rolls upstream or downstream. Thus, according to the invention, at least one rotary drive upstream and downstream of the tension section is integrated into the active strip tension control.

The invention relates to the technical field of oriented silicon steel cold rolling production, in particular to a cold continuous rolling method and equipment for efficiently producing low-temperature high-magnetic-induction oriented silicon steel. According to the method, efficient and stable production of the thin-gauge low-temperature high-magnetic-induction oriented silicon steel can be achieved, and meanwhile the excellent plate shape and the high-magnetic-induction performance are guaranteed; through cooperative control of targeted roll shape design and process parameters, the problems of edge drop and convexity of the steel strip can be accurately regulated and controlled, the strip shape defect easily occurring in the rolling process of the thin-gauge steel strip is effectively avoided, the finished steel strip has excellent straightness, and the rolling quality of the thin-gauge steel strip is improved. A good foundation is provided for smooth proceeding of subsequent procedures and stacking use of final products; meanwhile, by optimizing texture orientation control in the cold rolling process and combining with an efficient inhibitor formed through subsequent nitriding treatment, the magnetic induction intensity of the finished low-temperature high-magnetic-induction oriented silicon steel is remarkably improved, meanwhile, iron loss is reduced, the magnetic performance of the product is more excellent, and the use requirement of power equipment for efficient soft magnetic materials can be better met.

The application discloses a production method for controlling the shape of a high-strength steel plate in winter TMCP, which comprises the following steps: step one, setting the slab discharge temperature to be 1220-1270 DEG C, and performing rough descaling once; step two, rough rolling stage; step three, finish rolling stage; step four, pre-straightening treatment is performed on the steel plate after rolling; step five, the opening cooling temperature of the steel plate with a thickness of 10-20 mm is greater than or equal to 780 DEG C; step six, the water temperature of the rapid cooling device is controlled to be 26+ / -4 DEG C, the edge is shielded, the head and tail are shielded, the frame height of the rapid cooling device for the steel plate with a thickness of 10-20 mm is set to be 500-600 mm, and the frame height is divided into four areas A, B, C and D; and step eight, a 9-roller hot straightening machine is adopted for straightening, the straightening temperature is less than or equal to 350 DEG C, the entry roll gap of the straightening machine is the thickness of the steel plate minus 2-9 mm, and the straightening speed is 0.5-1.0 m / s. The method can effectively avoid the warping, head buckling and edge wave of the high-strength steel plate caused by the non-uniform temperature after rapid cooling, and improve the production efficiency.

The invention provides a method for refining the rolling rhythm of rough and medium rolling, and belongs to the technical field of steel bar rolling. The rotating speed of each rolling mill is adjusted, so that the rolling mill is in a stable rolling state with minimum tension, and the standard rotating speed difference between the rolling mill and the next rolling mill in the stable rolling state is calculated; and the rotating speed of each rolling mill is adjusted again, the rotating speed difference between the rolling mill and the next rolling mill is lower than the standard rotating speed difference, the micro-heap rolling state is established, and the rolling quality and efficiency are improved. According to the method, rough rolling and intermediate rolling are dynamically adjusted based on multi-parameter cooperative control, the rolling quality and efficiency of a bar production line are improved, high-quality and high-efficiency production is achieved, and the problems of high equipment vacancy rate, large energy consumption, product size fluctuation, insufficient precision and the like caused by unstable rolling rhythm are solved.

The invention discloses a hot rolling method for a thin-gauge iron-nickel-based alloy, and belongs to the technical field of hot rolled plates and strips. The hot rolling method comprises the steps of comprehensive control plan arrangement, blank preparation, heating, rough rolling, hot coiling box, finish rolling, layer cooling and coiling, meanwhile, the pinch roll lifting function is developed, and the phenomenon that the strip steel is subjected to brittle failure after being stressed due to the fact that the pressure of the pinch roll is increased before the wave shape of the head of the strip steel is eliminated is avoided. According to the method, the problems of transverse cracking in charging, cracks generated in rough rolling, hot coil box deviation, F6-F7 deviation rolling breakage, breakage in the steel coiling process and the like are solved, and the stability of the iron-nickel-based alloy in the rolling process is improved.

The application discloses a kind of high-efficiency, low-cost hcp-fcc two-phase coexistence nanocrystalline extremely thin titanium strip and its preparation method, including the following process: by the method of asynchronous rolling titanium strip material is rolled to target size, so that the titanium close-packed hexagonal matrix in titanium strip material is formed face-centered cubic phase;When titanium strip material is rolled to target size by the method of asynchronous rolling, the parameters to be controlled include rolling speed, front tension, back tension and pre-pressing force, and multiple-pass rolling is carried out to obtain titanium strip material of target size.The method of the application can realize the continuous production of high-efficiency, low-cost hcp-fcc two-phase coexistence ultrafine-grained extremely thin titanium strip, and does not need intermediate annealing.

The application relates to the field of steel rolling technology and discloses a control method of a cold rolling mill. The method comprises the following steps: collecting rolling force and bending force of each rack in the cold rolling mill at a first set rolling speed, and a position difference of a pressing cylinder between a working side and a driving side of each rack as rolling force setting, bending force setting and leveling setting of the corresponding rack when the cold rolling mill starts; obtaining actual tension between adjacent racks in the cold rolling mill; if the actual tension between the adjacent racks is equal to zero, building tension for the racks between the out-of-tension rack and the last rack; if the actual tension between the adjacent racks is greater than zero, or after building tension for the racks between the out-of-tension rack and the last rack, adjusting the rolling force, the bending force and the position difference of the pressing cylinder of each rack to the given data; and controlling the cold rolling mill to start according to a starting threading speed. The technical scheme can improve the production stability and manufacturing capacity of the cold continuous rolling mill.

The present application relates to the technical field of steel metallurgy and metal rolling, in particular to a billet rough rolling and spreading method and system, comprising: a step of constructing a non-uniform deformation zone geometry: configuring a special-shaped pass based on a flow resistance gradient, and establishing a non-uniform hydrostatic pressure field; a step of executing forced transverse flow deformation induced rolling: forcing the metal to actively migrate in transverse mass from the center to both sides; a step of collecting lateral pressure rheological response data: monitoring width and resistance fluctuations and calculating lateral pressure rheological response lag time; a step of implementing dynamic lateral pressure adaptive control: applying dynamic lateral pressure to the intermediate billet based on the lag time, suppressing overturning instability and correcting the spread; the present application changes the direction of the minimum resistance of metal flow, solves the problem of time and space asynchronization between the system and flow deformation, and ensures the rolling stability of the non-steady state section.

A constant-pressure ironing roller and its control method for an aluminum foil rolling mill are disclosed. The ironing roller is floatingly connected to the ironing roller swing arm at both ends via a constant-pressure hydraulic cylinder assembly. In addition, the driving cylinder of the ironing roller swing arm is replaced with a swing arm control electric cylinder, which controls the rotation of the ironing roller swing arm to achieve the ironing roller's following control of the diameter of the aluminum foil wound on the roll. Since the ironing force exerted by the ironing roller on the roll is provided by the constant-pressure hydraulic cylinder assembly, the ironing force exerted by the ironing roller on the roll is no longer related to the position of the ironing roller swing arm. That is, during the process of the ironing roller following the diameter of the aluminum foil wound on the roll, the ironing force exerted by the ironing roller on the roll remains constant, thereby solving the problems of ironing roller vibration, aluminum foil winding wrinkles, and delamination caused by the fluctuation of the ironing force exerted by the ironing roller on the roll.

The present application belongs to the technical field of special steel processing, and particularly relates to a silicon steel edge quality control method based on thin strip continuous casting production, in particular, an edge quality control method of the trimming process of hot coils. By coordinately controlling parameters such as the storage time of the hot coil in the intermediate warehouse, the uncoiling temperature at the trimming line, the temperature in the specific area of the edge, and the overlapping amount of shearing, the edge quality of the silicon steel is improved. By controlling the strip steel temperature according to the composition of the silicon steel, the temperature of the silicon steel with different compositions is determined, the purpose of effectively controlling the edge quality of the silicon steel after trimming is achieved, the quality problems of the silicon steel edge cracks, edge loss and edge cracks are solved, the rollability of the subsequent process of cold rolling is improved, and the cold rolling breakage rate is reduced to below 0.4%.

The invention relates to the technical field of strip steel cold rolling control, and discloses an automatic thickness control method, device and equipment for cold-rolled strip steel and a medium. The automatic thickness control method comprises the following steps: calculating a first compensation speed of an inlet and outlet side coiling machine according to an inlet deviation thickness and an outlet deviation thickness; calculating a second compensation speed of the inlet and outlet side coiling machine and a third compensation speed of the outlet side coiling machine according to the inlet deviation tension and the outlet deviation tension; calculating an entrance setting speed of the entrance-exit side coiler according to the first initial setting speed, the first compensation speed and the second compensation speed so as to control the entrance side coiler based on the entrance setting speed; and calculating an outlet setting speed of the outlet-side coiling machine according to the second initial setting speed and the third compensation speed so as to control the outlet-side coiling machine based on the outlet setting speed. According to the method, multiple factors such as thickness and tension are comprehensively considered, unified and coordinated scheduling is achieved, optimal control is automatically selected, and the thickness precision problem during strip steel cold rolling is solved.

The invention discloses a position adjusting method and device for loop rollers in a finishing mill group and electronic equipment, and belongs to the technical field of strip steel hot continuous rolling mill equipment maintenance. The position adjusting method comprises the steps that position information of a to-be-adjusted finishing mill loop roller in a working state is obtained, and the position information comprises horizontal height deviation information of the to-be-adjusted finishing mill loop roller and angle deviation information between the to-be-adjusted finishing mill loop roller in the working state and the horizontal direction; on the basis of the horizontal height deviation information and axial size information and angle deviation information of a bearing seat used for supporting the loop roller of the finishing mill to be adjusted, mechanical size deviation information of a positioning face where the bearing seat is located is determined; and on the basis of the mechanical size deviation information, size information of a bearing seat positioning gasket used for adjusting the height of the bearing seat is determined, so that horizontal adjustment of the to-be-adjusted loop roller of the finishing mill is achieved. The deviation of the loop roller in the horizontal direction is reduced, and the precision of the loop roller is improved.