2546results about "Rolls" patented technology

The invention relates to the technical field of roller cooling, and discloses a roller cooling temperature control method and system.The method comprises the steps that the length of a roller is obtained, and the roller is equally divided into N temperature monitoring areas according to the length of the roller; n pieces of detection temperature value data are obtained and preprocessed; inputting the detected temperature value data into a pre-trained state model for comparison, and obtaining a temperature prediction value; the optimal cooling water flow is calculated according to the temperature prediction value through an MPC controller; acquiring historical data of the roller, and inputting the historical data into the auto-encoder for reconstruction; inputting detection temperature value data collected in real time into the auto-encoder, and calculating a reconstruction error value; and determining a current cooling water flow control state based on the reconstruction error value, and compensating the cooling water flow to the MPC controller. The roller cooling efficiency is improved.

Rods, pipes and internal cavities that include a coated surface are described. The rod or pipe can include an alloy layer on an external surface, an internal surface or both. The alloy layer can include molybdenum or tungsten and at least one element or at least one compound comprising one or more of nickel, cobalt, chromium, tin, phosphorous, iron, magnesium or boron.

The invention provides a high-frequency welded pipe roller wear state monitoring method and device, and relates to the technical field of artificial intelligence and data processing, a holographic sensing system of working condition parameters and physical signals is constructed through synchronous monitoring of a multi-source sensor, and noise spectrum offset is tracked in real time based on time-frequency expression of data in different modes, so that the real-time monitoring of the wear state of a high-frequency welded pipe roller is realized. And an anti-error filtering protection channel is constructed, so that the inherent characteristics of the damage can be effectively captured. In addition, multi-physical field damage characterization information is fused from multiple complementary dimensions of transient impact (instantaneous frequency vector), spectrum complexity (spectral entropy) and amplitude distribution deflection (skewness), more comprehensive and richer state description can be provided, accurate quantitative evaluation of the roller wear level is achieved, and the capacity of real-time monitoring and accurate recognition of the roller wear state is remarkably improved.

The invention provides an electro-plastic plate shape control roller system capable of being independently controlled in a transverse partition mode, which belongs to the technical field of plate strip rolling equipment and comprises a plate shape control roller mandrel, a conductive copper ring, an insulating ceramic ring, a damping rubber sleeve, an insulating ceramic roller sleeve, a conductive swivel joint and the like. According to the system, the conductive copper rings and the insulating ceramic rings which are alternately arranged form a transverse partition electro-plastic plate shape control roller, the strip is wrapped above the electro-plastic plate shape control roller at a certain wrap angle during working, tight contact of the strip and the conductive copper rings is ensured, and the strip shape control roller is controlled by utilizing the principle that the resistance of the conductive copper rings, the strip and the adjacent conductive copper rings is minimum. The external control circuit is used for controlling the on-off of each group of independent conductive copper rings, so that the electric heating effect is realized at different positions along the width direction of the strip, the plastic state of the strip entering a rolling deformation area is changed, the rolling pressure of the deformation area is influenced, and finally the purpose of online regulation and control of the strip shape is realized.

The invention relates to the technical field of rolling mills, in particular to alloy plate rolling forming equipment which comprises a rack, two sets of rolling structures which are symmetrically arranged up and down are rotatably installed on the rack, each rolling structure comprises two adjusting discs arranged in the rack, and connecting shafts are rotatably arranged on the sides, away from each other, of the two adjusting discs in a penetrating mode; the end, away from the adjusting disc, of the connecting shaft is rotationally connected with the rack, the middle section of the connecting shaft is fixedly sleeved with a center gear, and when the roller contour measuring instrument detects that the roller used for rolling the alloy plate is excessively abraded, a user can pull out the pin shaft used for fixing the adjusting disc and then rotate the adjusting disc by 180 degrees, so that the roller contour measuring instrument can be used for rolling the alloy plate. By means of the structure, the position of the excessively-abraded roller and the position of another standby roller on the adjusting disc are changed, then the adjusting disc is fixed through the pin shaft again, the alloy plate can be rolled immediately, the rollers do not need to be replaced immediately, a large amount of time is saved, and therefore the rolling efficiency of the alloy plate is greatly improved.

The invention relates to the technical field of copper plate strip machining, and provides an advanced copper plate strip continuous rolling technology which comprises the steps that S1, a copper ingot with the copper content of 99.9% or above is selected, and raw materials are obtained through saw cutting and surface polishing; s2, the treated copper ingot is heated in a heating furnace, and the internal temperature uniformity of the copper ingot is guaranteed; s3, a roughing mill is used for rolling the heated copper ingot, and rough rolling is conducted for 2-3 passes; s4, the copper strip subjected to rough rolling enters an intermediate rolling mill, and intermediate rolling passes are 3-5 times; s5, the copper plate strip subjected to intermediate rolling enters a finishing mill, and the finishing pass is 3-4 times; and S6, on-line cooling is conducted, specifically, the copper plate strip obtained after finish rolling enters an on-line cooling system immediately. Through early-stage accurate saw cutting and polishing treatment, the initial quality of the copper plate strip is guaranteed, smooth proceeding of subsequent rolling procedures is guaranteed, the multi-pass continuous rolling process of rough rolling, intermediate rolling and finish rolling is combined with online cooling, and through strict parameter control, the production efficiency is improved, the energy consumption is effectively reduced, and the production cost is reduced.

According to the electro-plastic rolling method with the transverse partition independent control function, the regulation and control logic and method of a transverse partition electro-plastic plate shape control means with the strip plate shape defect position temperature as the control target are defined, and the positions of conductive copper rings in all electro-plastic plate shape control roller systems are determined according to the plate shape defect positions; the two groups of electro-plastic plate shape control roller systems and the strip are ensured to form an electric loop through a control circuit, so that the transverse zoning electro-plastic adjustment along the strip is realized; in addition, the strip plastic deformation resistance variable quantity is determined on the basis of an influence matrix method, and then the strip deformation resistance-temperature rheology curve relation is combined to determine the local strip temperature regulated and controlled with an electro-plastic strip shape control roller system as a strip shape control means; the temperature on-line regulation and control in the width direction of the strip at the inlet of the deformation area is realized through the electro-plastic strip shape control roller system, a more powerful strip shape control means is provided for rolling of extremely thin, extremely hard and extremely wide high-quality strips, and the quality of the strip is improved.

The invention discloses beryllium copper plate calendaring forming equipment, and relates to the technical field of beryllium copper plate manufacturing, and the beryllium copper plate calendaring forming equipment comprises a rack, a transmission assembly, a cleaning assembly and a driving guide assembly. A multi-layer composite calendering roller structure is adopted, an outer tungsten carbide wear-resisting layer is matched with a middle copper-aluminum alloy heat conduction layer and a 42CrMo alloy steel support layer, a dynamic temperature control system is formed under the synergistic effect of a spiral heating channel, a spiral cooling channel, a microwave heating tank and a liquid nitrogen cooling tank, the forming precision and the material performance are remarkably improved, and the service life of the calendering roller is prolonged. A transmission assembly, an automatic cleaning assembly on the inner wall of the rack and driving guide assemblies at the two ends are externally arranged, the rolling stability is guaranteed, the position of the beryllium copper plate can be adjusted in real time, the intelligent control platform integrates the multispectral monitoring and touch control adjusting functions, closed-loop optimization of thermal parameters is achieved through a temperature control unit, and the working efficiency is improved. And therefore, the equipment has high-efficiency forming, intelligent monitoring and process self-adaptive capabilities in the machining process.

The invention discloses a rolling method of a corrugated roller and a rolling system of the corrugated roller, relates to the field of bimetal laminated plate preparation, and aims to solve the problem that a metal laminated plate is easy to crack in the machining process. The rolling method comprises the steps that a plate blank is fed into two corrugated rollers arranged at an interval to be rolled, so that a first double-metal laminated plate is formed, and the upper surface and the lower surface of the first double-metal laminated plate and the bonding interface of the plate blank are all latticed wavy surfaces; the first double-metal laminated plate is fed into two flat rollers arranged at an interval to be rolled, so that a second double-metal laminated plate is formed, the upper surface and the lower surface of the second double-metal laminated plate are both planes, and the bonding interface is a latticed wavy surface; and carrying out annealing treatment on the second bimetal laminated plate. The corrugated structure on the corrugated roller is reflected to the bonding interface between the base plate and the compound plate, and then secondary rolling is performed through the flat roller, so that the bonding strength of the second double-metal laminated plate is improved, and the forming quality and the yield of the metal laminated plate are guaranteed.

The present invention relates to the field of aluminum cold rolling technology, and specifically to an aluminum cold rolling production device and production method for can body materials, including a stable cold rolling device for rolling aluminum alloy strips, the stable cold rolling device including a driving platform, a cold rolling roller, an outer wall cleaning mechanism, a first ball screw slide, an identification detection device and a spare replacement installation platform; two cold rolling rollers are provided and installed on the driving platform; two outer wall cleaning mechanisms are provided, and an outer wall cleaning mechanism is provided on the side of each cold rolling roller; two first ball screw slides are provided, and a first ball screw slide is installed on the working end of each outer wall cleaning mechanism; two identification detection devices are provided, and an identification detection device is installed on the active end of each first ball screw slide; the spare replacement installation platform is provided on the side of the driving platform, and spare rollers to be replaced are stored on the spare replacement installation platform. The present invention can effectively ensure the stability of production and improve productivity at the same time.

The invention discloses an ultra-thin aluminum foil rolling system, and relates to the technical field of ultra-thin aluminum foil rolling, the ultra-thin aluminum foil rolling system comprises a workbench, rolling rollers are rotatably connected to the center of the interior of the workbench in an up-down symmetrical mode, tensioning rollers are arranged on the two sides of each rolling roller, the tensioning rollers are rotatably connected into the workbench, and through grooves are symmetrically formed in the two sides of the workbench; a transverse plate is fixedly connected to the upper end face of the workbench, and a lubricant uniform smearing mechanism is arranged between the workbench and the rolling roller, so that it is guaranteed that a lubricant is uniformly distributed on the whole surface of the rolling roller, and the problem that the lubricant is not uniformly distributed due to direct spraying is solved; therefore, the negative phenomena of friction resistance increase, adhesion, scratches or abrasion and the like caused by insufficient lubrication are reduced, friction and abrasion in the rolling process are reduced through uniform lubrication, the surface of the rolling roller is protected against excessive abrasion, the damage risk caused by direct contact of the aluminum foil with the rolling roller is reduced, and the service life of the aluminum foil is prolonged. The service lives of rolling rollers and aluminum foils are prolonged, and the production cost is reduced.

The utility model relates to the technical field of steel belt rolling devices, and discloses an anti-deviation steel belt rolling device which comprises an upper pressing roller, a lower pressing roller, a first supporting frame and a second supporting frame, and is characterized in that two upper sliding rings are movably connected to the outer surface of the upper pressing roller. The outer surfaces of an upper pressing roller and a lower pressing roller are connected through an upper sliding ring, a lower sliding ring and a plurality of telescopic assemblies, the telescopic assemblies stretch out and draw back according to the height of a gap through which a steel belt body formed by the upper pressing roller and the lower pressing roller passes, and then an applicable limiting frame is installed in a connecting opening through a fixing bolt according to the height of the gap; according to the width of the steel belt body, the two pushing pieces are adjusted to be close to or away from each other until the steel belt body is prevented from deviating, and finally the pushing pieces are fixed by adjusting the two nuts in threaded connection with the outer surfaces of the two long screws, so that the steel belt bodies with different widths and thicknesses can be prevented from deviating; and the production cost is reduced.

The invention provides a round steel rolling pass and a design method.The round steel rolling pass comprises a base circle and width expansion parts located on the two sides of the base circle, and each width expansion part is provided with an arc-shaped expansion section; the diameter of the base circle is called the height hk of the hole pattern, and the height hk of the hole pattern is 1.011-1.013 times of the nominal diameter d of the round steel; the width Bk of the notch is greater than the height hk of the hole pattern; the expansion circle where the expansion section is located is externally tangent to the base circle, and the other end of the expansion section is connected with the intersection point of the notch line and the roller seam line. The hole pattern of the rolled round steel does not depend on equipment precision excessively, meanwhile, the rolling precision of a three-roller rolling mill can be achieved by adopting two-roller rolling mill equipment, and the contradiction between quality and investment is solved. Round steel is rolled through the hole pattern, the rolling quality is stable, the hole pattern steel passing capacity is high, and the size precision is high.

The invention provides a strip steel rolling control method and device. The strip steel rolling control method comprises the steps that a steel grade flag bit of a target plate blank is obtained; the target plate blank is a rolled main rolled material; determining a working roll cooling strategy according to the steel grade flag bit; the working roll cooling strategy is used for determining the cooling water amount of a working roll according to the number of rolled slabs; the working roll is a newly replaced working roll; in the rolling process of the target plate blank, the cooling water amount is controlled according to a working roller cooling strategy; in this way, due to the fact that the temperature of a newly-replaced working roller is continuously increased along with increase of the number of rolled slabs in the initial rolling stage, heat on a roller body of the working roller and heat inside and outside the working roller are distributed unevenly; according to the working roller cooling strategy, the cooling water amount of the working roller is determined by referring to the number of rolled plate blanks, the cooling water amount can be adjusted in real time according to the operation condition of the working roller, roller heat balance can be improved without designing corresponding roller shapes for steel types, stable control over roller heat balance is achieved, and the working efficiency is improved. The transverse thickness difference stability and the same plate difference control precision of the strip steel are improved.

The utility model relates to the technical field of strip steel rolling, in particular to galvanized strip steel production rolling equipment. According to the technical scheme, the device comprises an air outlet pipe, a fixing frame, rollers and an air cooler, the rollers are symmetrically and rotationally installed in the positions, close to the upper surface and the lower surface, of the interior of the fixing frame, cooling cavities are formed in the two rollers, and the two ends of each roller are fixedly connected with a rotary joint A and a rotary joint B correspondingly; connecting pipes A are fixedly connected to the outer sides of the two rotating joints A, the tail ends of the two connecting pipes A are fixedly connected to the outer surface of an air outlet pipe, and an air inlet pipe is fixedly connected to the tail end of the air cooler output pipe. In the hot rolling process of the galvanized strip steel, the temperature of the roller is reduced, the service life of the roller is prolonged, heat of the roller is converted into hot air, production raw materials needing to be heated can be preheated, meanwhile, the hot air drying device can be used for drying the galvanized strip steel after follow-up cleaning operation, and energy consumption is saved.

The utility model relates to an edge auxiliary heating device which comprises a mounting frame, two groups of heating assemblies are transversely and symmetrically arranged on the mounting frame, each heating assembly comprises a longitudinal moving table fixedly connected to the mounting frame and a transverse moving table arranged above the longitudinal moving table and connected with the longitudinal moving table in a sliding mode, and the transverse moving table is connected with a heater through a sliding table. The heater is in transverse sliding connection with the transverse moving table through the sliding table, servo motors are arranged at the ends of the transverse moving table and the longitudinal moving table and driven by the transverse moving table and the longitudinal moving table, and servo motor encoders are installed on the servo motors. And the temperature gradient of the edge part and the central area of the roller is reduced, so that the temperature of the roller is kept consistent as much as possible within the width range of the strip, thereby eliminating the defects of edge tightness and rib looseness of the rolled strip and obtaining a good edge plate shape.

A control system employs model-based multivariable predictive control for cold rolling mills to improve plate thickness uniformity to meet or exceed flatness specifications. Compared with a traditional control method using PID (Proportion Integration Differentiation)-based closed-loop control, the deviation between the thickness and the flatness of the metal plate and the standard requirement is obviously reduced, and meanwhile, the control precision is improved. The control system is particularly suitable for controlling the four-roller irreversible single-base metal rolling mill. The rolling mill base has a first working roll and a second working roll positioned between a first support roll and a second support roll, respectively. The plurality of sensors measure and acquire characteristic data of the material plate. A model predictive controller manipulates the actuators to adjust thickness and flatness. When rolling a metal sheet, the controller performs automatic specification control (i.e., machine direction metal control) and automatic flatness control (i.e., lateral metal sheet control).

The steel machining rolling mill relates to the technical field of rolling mills and comprises a rolling mill frame body, a lower rolling set and an upper rolling set, rotating rods are arranged at the two ends of an opening in the front side of the rolling mill frame body, mounting grooves are formed in the surfaces of rod bodies of the rotating rods, and a cooling liquid box and a lubricating liquid box are fixedly mounted in groove cavities of the two mounting grooves correspondingly; spur gears are fixedly installed at one ends of the rotating rods, racks are arranged in clamping cavities of the two spur gears, the racks are meshed with the spur gears on the two sides at the same time, and a driving assembly is connected to one side of each rack. By arranging the cooling liquid box, the lubricating liquid box and the spraying head, structural components of the upper rolling set and the lower rolling set can be cooled and lubricated, and the situation that the service life is shortened due to the fact that the temperature is too high in the operation process and abrasion of the components is accelerated due to lack of lubrication is avoided; the driving assembly enables structural components of the upper rolling set and the lower rolling set to evenly receive cooling liquid and lubricating liquid.

The invention provides rolling equipment, a current collector, a preparation method of the current collector, a pole piece, a battery and a device. A rolling device comprises a roller mechanism, a flow control mechanism and a power mechanism. The roller mechanism comprises at least two opposite rollers arranged at intervals and a flow control mechanism. The flow control mechanism is used for independently controlling the flow of the cooling medium in each cooling channel; the power mechanism is used for driving at least one roller to rotate. According to the rolling equipment, the roller diameter of the roller can be simply, effectively and flexibly adjusted by controlling the flow, so that the thickness of a rolled membrane material is adjusted, for example, a current collector with a large thickness in a tab area is prepared, the current collector is used for preparing an electrode pole piece, the problem of belt breakage in mass production of the electrode pole piece can be solved, and the production efficiency of the electrode pole piece is improved. And the yield of electrode plate production is improved.

An electrically-assisted tooth-shaped rolling process and device for preparing a gradient ultrafine-grained sheet is provided. A rib-forming pressure roller, a rib-flatting pressure roller and a straightening pressure roller are adopted to sequentially roll relative to a surface of a sheet under a preset pressing force. The surface of the sheet is driven, under a rib forming process, to generate large deformation in micro-area to crush and refine grains, and under a rib flatting process to generate reverse large deformation in micro-area. Large deformation areas in the rib forming process and the rib flatting process are staggered to further crush and refine the grains. A cold straightening process drives the sheet to be restored to an original shape, so that the sheet becomes the gradient ultrafine-grained sheet with a decreasing grain size gradient from an interior to a surface layer.

The utility model discloses a connecting structure of a roller and a roller shaft, and relates to the technical field of rollers, the connecting structure of the roller and the roller shaft comprises a roller body and a roller shaft body, the roller body and the roller shaft body are provided with fixing mechanisms convenient for connecting the roller body and the roller shaft body, and the fixing mechanisms are arranged on the roller body and the roller shaft body. The fixing mechanism comprises two first fixing discs, a second fixing disc and a threaded rod, the two first fixing discs are both fixedly installed at the circumferential end of the roller body, the two roller shaft bodies are located at the ends of the two sides of the roller body correspondingly, and the threaded rod is connected with the threaded rod. And second fixing discs are fixedly mounted at the circumferential end parts of the two roller shaft bodies. The limiting shafts are matched with the limiting grooves, the limiting shafts are inserted into the limiting grooves so that the roller body can be further limited and fixed, and the stability between the roller shaft body and the roller body is improved.

The invention provides an aluminum strip sectional type continuous rolling device, and relates to the technical field of aluminum material production equipment.The aluminum strip sectional type continuous rolling device comprises an unwinding mechanism, a rolling mechanism and a winding mechanism, and the rolling mechanism comprises a rolling frame and a plurality of rolling roller sets; each rolling roller group comprises a first roller group and a second roller group, and the first roller group and the second roller group respectively comprise a first rolling roller and a second rolling roller which are arranged up and down; the rolling gap of the first rolling roller is the same as that of the second rolling roller; a plurality of first rolling parts and second rolling parts are arranged on the first rolling roller and the second rolling roller in the length direction in an array mode, the first rolling parts and the second rolling parts are arranged at intervals, and the rolling surfaces of the first rolling parts and the second rolling parts do not coincide; the first roller set and the second roller set are each provided with a force uniformizing assembly, and the rolling frame is provided with a plurality of deviation preventing assemblies which are arranged at intervals with the rolling roller sets. Sectional type continuous rolling of the aluminum strip can be achieved, it is guaranteed that the rolling quality of all parts in the width direction of the aluminum strip is uniform, the aluminum strip rolling effect is improved, and the aluminum strip rolling loss is reduced.

The utility model discloses a multistage head rolling machine for steel pipe processing, which comprises a base, a guide device and a roller device, the guide device comprises a first sliding seat, a second sliding seat and a guide assembly, the first sliding seat is matched on the base in a sliding mode, the second sliding seat is matched on the first sliding seat in a sliding mode, and the guide assembly is matched on the second sliding seat in a sliding mode. The guide assembly is mounted on the second sliding seat; the roller device comprises a roller support, a first roller and a second roller, the roller support is installed on the base, the first roller and the second roller are installed on the roller support, and the first roller and the second roller are oppositely arranged. A plurality of first roller hole patterns with different sizes are formed in the outer wall surface of the first roller, a plurality of second roller hole patterns with different sizes are formed in the outer wall surface of the second roller, and a roller hole pattern cavity is defined by the first roller hole patterns and the second roller hole patterns; the steel pipe head rolling machine can well roll heads of steel pipes of different specifications and is wide in application range.

The invention relates to an upper and lower roller reducing independent transmission universal rolling mill and a control method thereof, and belongs to the technical field of metallurgy. The rolling mill comprises a universal rolling rough rolling unit, a middle rolling unit and a universal rolling finish rolling unit which are sequentially arranged along a rolling line, a horizontal roller set of each unit is of an upper and lower roller reducing structure and is provided with an independent transmission system, and a gearbox and a transmission shaft are driven by an independent motor to achieve roller separation control. The middle rolling unit is a reducing edging mill, and temperature control units are arranged in front of and behind the rough rolling unit and the finish rolling unit respectively. The rolling method comprises the steps of adjusting the roller diameter ratio, synchronously adjusting the dip angle of the universal spindle and the basic height of the rolling mill, conducting gradient deformation rolling, dynamically adapting to a rolling model and the like. Through cooperation of independent transmission and reducing, accurate matching of the speeds of the upper roller and the lower roller is achieved, deformation uniformity is improved, the total motor power is reduced, an adjustable cooling nozzle and intelligent model optimization are combined, a product has the surface layer ultra-fine grain structure and core toughness, and the yield and market competitiveness are remarkably improved.

Apparatus and method for surface processing of cylindrical bodies, particularly for surface restoration of laminating cylinders. The apparatus includes a workstation configured to receive a cylindrical body having a lateral surface movable by rotation about an axis of rotation, a laser emitter cooperating with the workstation and configured to emit at least one laser beam, a profile detector configured to detect a detected surface profile of the lateral surface of the cylindrical body, and a control unit operatively configured to perform at least one procedure for restoring the lateral surface of the cylindrical body. The restoration procedure includes a procedure for detecting the surface profile of the cylindrical body, including a step of comparing the detected surface profile with a target surface profile, and a removal procedure including a step of emitting the laser beam on the cylindrical body to remove metallic material and to obtain the target surface profile.

The invention relates to a machine core calibration device for an adjustable rack of a tube push bench. The machine core calibration device comprises an annular rack, and a machine core supporting structure is arranged at one axial end of the annular rack; a calibration block is arranged at the other axial end of the annular rack in an extending manner; the center line of a roll hole pattern on an adjustable rack core loaded on the core supporting structure is coaxial with the center line of the calibration block; a plurality of detection rods are arranged on the annular rack, the detection rods are connected with a detection driving part, the detection driving part drives the detection rods to press against the roller in the machine core of the adjustable rack until the roller abuts against the calibration block, and a displacement sensor is arranged on the detection driving part; and the control part is used for receiving the displacement data output by the displacement sensor and transmitting the displacement data to a production control system. Roll gap measurement of the machine core of the pipe jacking adjustable rack is completed, manual detection is replaced, the working efficiency and detection precision of machine core assembly and detection can be improved, meanwhile, the intelligent operation level of a factory is achieved, and the device is compact in structural form, convenient to use, high in working efficiency and capable of meeting the working requirement between rollers.

The invention provides a hot rolling process control technology for improving the roller mark defect of 443 ultra-pure stainless steel in a hot rolling process. By innovating the heating temperature and the high-temperature furnace staying time of the 443 ultrapure stainless steel and innovating 443 finish rolling temperature control, the friction coefficient of the 443 and a roller is reduced, the working environment of the roller in the 443 production process is improved, and the roller is prevented from being pulled; the carbon steel and stainless steel mixed rolling mode is innovated for production, the carbon steel makes contact with the roller for roller polishing, and therefore the roller is prevented from being strained. By implementing the technology of the patent and combining the two measures, the roller strain can be effectively avoided, the 443 roller mark defect is obviously improved, and the failure rate is reduced from 15% to 3% or below, so that the overall production efficiency is improved, and good benefits can be obtained.

The invention provides a control method for the rolling force of a temper mill and related equipment, and relates to the technical field of metallurgical production, the method comprises the steps that pattern information of strip steel is obtained, and the pattern information comprises width information and thickness information; determining the height of an inlet and the height of an outlet of the anti-wrinkling roller based on the model information; determining the diameter of a working roll based on the model information; determining inlet tension and outlet tension according to the diameter of the working roll; and controlling the rolling process of the temper mill based on the height of the inlet of the anti-wrinkling roller, the height of the outlet of the anti-wrinkling roller, the inlet tension and the outlet tension.

The invention relates to the technical field of metal plate rolling processing, and discloses a rolling strengthening method capable of reducing the rigidity of a metal plate, which comprises the following steps: applying an asymmetric rolling condition to an initial plate to enable the plate to generate a speed gradient in the thickness direction; the plate is subjected to one-pass large-rolling-reduction rolling, and a non-continuously-distributed shear band is formed; the rolled plate is heated to the dynamic recrystallization temperature interval of the plate, and multi-pass small-rolling-reduction warm rolling is conducted on the plate; and in the warm rolling process, dynamic recrystallization of a shear band is promoted to form a grain-refined continuous core layer, complete recrystallization of the surface structure of the plate is inhibited to keep the work hardening state of the plate, and therefore the metal plate with the rigidity lower than that of an initial plate is obtained. According to the invention, a soft core-hard shell heterostructure is constructed in the plate, high strength and low macroscopic rigidity are synergistically realized, the process controllability is strong, and the method is suitable for preparation of high-performance structural materials.

The invention relates to a method for controlling an installation for rolling metal strips with one or more rolling stands arranged in a rolling train for achieving a wear-optimized method of operation of the rolling stands, comprising reading and collecting and / or combining state variables of at least one rolling stand and / or of the metal strip from a control system for the process automation of the installation or directly from a field plane of the installation, wherein the state variables comprise physical measured values and / or values derived from measured values in the form of actual values of individual rollers of at least one rolling stand and / or of the metal strip during operation of the rolling train and / or predicted state variables of individual rollers of a rolling stand and / or of the metal strip from at least one process model of the process automation, comprising evaluation of the collected state variables in a rule-based manner or in the form of pattern recognition based on mass data, wherein the state variables are read, collected and / or combined and evaluated in a computer-implemented and automated manner, and the evaluation comprises the recognition of the current state of wear of individual rollers, the calculation of a service life prediction relating to individual rollers and at least one automatically created roller change prediction and / or adapted rolling programme scheduling based on the service life prediction.