460results about "Tension/compression control device" patented technology

The invention relates to the technical field of metal rolling automation, and discloses a computer intelligent control system of a rolling mill, which comprises a rolling mill production line, and the rolling mill production line further comprises a tensiometer, a pressure sensor and a displacement sensor; and the computer intelligent control system is electrically connected with an executing mechanism and a sensor of the rolling mill production line and comprises a tension control module, an automatic thickness control module and an online model self-adaptive module. The method comprises the following steps: controlling strip steel tension through a tension control module; the strip steel outlet thickness is adjusted through the thickness automatic control module; and model parameters such as rolling mill rigidity and friction compensation are identified in real time in the rolling process through an online model self-adaption module, and continuous optimization of the control model is achieved. By introducing the online model adaptive module, real-time online correction of the core physical model of the control system is realized, and the problem of model mismatch caused by equipment wear and working condition change is solved.

The invention discloses a hot continuous rolling unit thickness detection and optimization method based on double closed-loop feedback control. In order to improve the problems of thickness control precision, response speed, a multi-rolling-mill cooperative operation mechanism and the like of an existing hot continuous rolling process, the comprehensive regulation and control method combining driving motor double-closed-loop speed regulation control, hydraulic cylinder pressing closed-loop control and thickness delay correction is provided. A multi-rolling-mill interconnection control system is constructed by coupling the rolling mills, the loops, the driving motors and the hydraulic cylinders, and high-precision dynamic adjustment of the tapping thickness is achieved. A double-closed-loop feedback control method is adopted, the rotating speed of a driving motor is adjusted by combining a rotating speed loop and a current loop, rolling force is dynamically adjusted through a hydraulic cylinder, and a thickness delay correction system is introduced to compensate thickness transmission errors between racks. According to the method, the thickness response time and overshoot of the hot rolling mill can be reduced, the thickness control precision and the system stability are improved, and the method has important guiding significance and engineering application value for high-precision hot continuous rolling production.

The invention discloses a serial cold rolling system thickness and tension control method based on data driving, and relates to the technical field of intelligent predictive control. According to the method, the neural network model is driven by non-autonomous data for prediction, dynamic mapping of tension and thickness parameters is realized through a self-learning mechanism, and high-precision prediction can be completed without depending on real-time measurement data. According to the method, the problems of hysteresis and error accumulation of a traditional measurement link are effectively solved, and deviation transfer in multi-rack cooperative control is effectively inhibited while the prediction efficiency is remarkably improved. A Laguerre function is integrated, parameter dimensionality reduction of a network weight space is achieved through orthogonal projection, the calculation amount is reduced, and the time for reaching a target value is shortened. A multivariable coupling mathematical model of the tension and the thickness of the cold-rolled strip steel is constructed, a Nash equilibrium game optimization strategy is introduced based on a distributed optimal control theory framework, and multi-target collaborative optimization control of the tension-thickness is realized.

The invention discloses a manufacturing method for improving the cold-rolled edge crack defect of high-silicon phase-change-free electrical steel, which comprises the following steps: converting molten iron by a converter, transferring to an RH (Ruhrstahl Heraeus) furnace, carrying out vacuum smelting, carrying out alloying treatment, and continuously casting the molten steel with chemical components meeting requirements into a plate blank; the plate blank is hot-rolled into a hot-rolled plate after being heated and subjected to heat preservation; and the hot-rolled plate is subjected to normalizing, acid pickling, cold rolling, continuous annealing and insulating coating coating to prepare a high-silicon phase-change-free electrical steel finished product. In the hot rolling process, the steel plate is transversely rolled through a vertical roller, the vertical roller reduction rate delta B of the vertical roller pass meets the condition that delta B is larger than or equal to 10 * delta h / H inlet and smaller than or equal to 18 * delta h / H inlet, delta h is the thickness difference of the plate blank before and after the pass, and H inlet is the thickness of the plate blank at the pass inlet. Through the process design of the procedures of continuous casting, heating, hot rolling, normalizing, cold rolling and the like, the structure uniformity of the material is improved, especially the structure uniformity in the thickness direction, and the one-time passing rate of cold rolling is 95% or above.

The invention belongs to the technical field of cobalt-based alloy machining, and particularly relates to high-strength cobalt-based alloy rolling machining equipment which comprises a rack and a cooling system, an upper roller and a lower roller are installed on the rack, one end of the rack is fixedly connected with a first motor, and the first motor is connected with the end of the lower roller through a reduction gearbox; and the other end of the lower roller is mounted on the bearing seat. The device further comprises a thickness acquisition module and a stress acquisition module. The thickness acquisition module and the stress acquisition module are used for monitoring the thickness and rolling pressure fluctuation of a rolled plate in real time, the control module is used for generating a corresponding fluctuation coefficient, and the thickness fluctuation coefficient and the stress fluctuation coefficient are comprehensively analyzed to generate an evaluation coefficient; and the roller spacing, the rolling speed and the working state of a cooling system are dynamically adjusted according to the evaluation result, so that the rolling process can adapt to material characteristics and working condition changes, the thickness uniformity of rolled plates is effectively improved, and the adverse effect caused by abnormal fluctuation of rolling pressure is reduced.

The invention discloses a production method of a non-annealing cold heading steel hot-rolled wire rod, and relates to the technical field of steel production, the method comprises the following steps: selecting a steel billet meeting the production specification requirement of the cold heading steel wire rod, and carrying out coping finishing and preheating treatment on the steel billet to be processed; the steel billet is conveyed to a large-compression-ratio rolling unit, the hot rolling process is monitored in real time, hot rolling segmented regulation and control are conducted, multi-pass temperature gradient rolling is achieved, and a cold heading steel wire rod formed through hot rolling is obtained; and the hot-rolled cold heading steel wire rod is conveyed to a heat preservation tunnel furnace, a cold heading steel wire rod finished product is obtained through segmented controlled cooling and surface treatment, and production of the annealing-free cold heading steel hot-rolled wire rod is achieved. According to the method, the advanced rolling mill unit with the large compression ratio is adopted for producing the cold heading steel wire rods of different specifications, the heat preservation tunnel furnace is adopted, the cooling temperature and the cooling speed of the wire rods are controlled, production of the annealing-free cold heading steel hot-rolled wire rods is achieved, the production process is greatly simplified, the production period is shortened, the production cost is reduced, and the production efficiency is improved.

The invention discloses a production control method, device and equipment for a strip steel production line, the strip steel production line comprises a temper mill and a withdrawal and straightening machine, and the method comprises the steps that the actual tension of the temper mill is obtained; based on the actual tension and the set tension of the temper mill, the detected tension deviation of the temper mill is determined; if the detected tension deviation of the temper mill is within a preset first tension deviation range, first early warning information is output; if the detected tension deviation of the temper mill is within a preset second tension deviation range and the duration is larger than a first duration threshold value, first alarm information is output, a roll gap between the temper mill and the withdrawal and straightening machine is controlled to be opened, and the lower limit value of the second tension deviation range is larger than the upper limit value of the first tension deviation range. The technical problem that the production efficiency of a strip steel production line is low is solved.

The invention discloses high-nickel stainless steel cold rolling equipment with a scratch detection function for a support, and relates to the technical field of stainless steel cold rolling. The cold rolling equipment comprises a rack and a case, the case is located on the upper end face of the rack, a first mounting frame is arranged at the bottom of the case and located at the feeding position, and a guide mechanism and an adjusting mechanism are arranged on the inner side of the first mounting frame; an upper roller and a lower roller are arranged on one side of the first mounting frame, a cleaning mechanism is arranged on one side of the upper roller, a collecting roller is arranged on one side of the cleaning mechanism, and the guide mechanism is used for adjusting the feeding direction of stainless steel to ensure that the stainless steel can accurately enter a cold rolling position. The adjusting mechanism is used for guaranteeing the tension stability of stainless steel, the cleaning mechanism can effectively remove burrs and other impurities generated after stainless steel cold rolling, the product quality is guaranteed, the whole cold rolling equipment is compact in structure and convenient to operate, and the production efficiency and the product quality are remarkably improved.

The invention discloses a production process of high-strength anti-distortion cold-rolled strip steel. The production process comprises the links of raw material preparation, cold rolling, heat treatment, surface treatment and quality detection. Selecting medium-carbon steel with specific components as raw materials, and controlling the tolerance of hot-rolled strip steel; a six-roller unit is adopted for multi-pass rolling in cold rolling, and a plate shape control technology is matched; continuous annealing and gradient quenching-isothermal tempering are applied to heat treatment, so that a specific structure gradient is formed, and the distortion rate is reduced; the surface is subjected to acid pickling, hot galvanizing and a nano ceramic composite coating, so that the corrosion resistance and the wear resistance are improved; and the quality is guaranteed through online detection and sampling inspection. The strip steel produced through the technology is high in strength, good in toughness, high in corrosion resistance and suitable for the high-requirement field.

The invention discloses a cold rolling speed-rolling force-tension cooperative control system and method for a composite board, and the method comprises the steps: firstly, achieving the multi-step dynamic prediction of rolling key parameters through the time sequence feature extraction capability of a GRU network based on the cold rolling data of a multi-layer composite board, and achieving the feed-forward control through online optimization; a fuzzy PID self-adaptive compensation strategy is combined, so that the influence of external disturbance and parameter time variation is effectively inhibited; and the two methods are combined in a weighted fusion manner, so that the perspectiveness is ensured, the real-time disturbance influence is considered, and the cold rolling speed-rolling force-tension cooperative control of the composite plate is realized. According to the cold rolling speed-rolling force-tension cooperative control system and method for the composite board, the control effect is better, higher generalization ability and anti-interference performance are achieved, the control precision and stability of cold rolling of the multi-layer composite board are greatly improved, and the system and method can be widely applied to the cold rolling production process of the multi-layer composite board.

The invention relates to the technical field of metallurgical engineering, and discloses a cold-rolled strip steel deviation control method and device, and the device comprises a strip steel operation state monitoring module, a side guide roller dynamic regulation and control module, a multi-parameter collaborative optimization module, a fault early warning and self-diagnosis module, and a man-machine interaction control module. According to the method, strip steel edge position data are collected in real time through a high-precision laser distance measuring sensor array, the deviation amount is calculated through a dynamic weighting algorithm, and a three-level early warning mechanism is established based on material characteristics and technological parameters; a waste roller transformation technology is innovatively adopted, a scale breaker supporting roller is transformed into a self-adaptive side guide roller through a special welding process, and the transformation cost is reduced while the control precision is guaranteed. According to the method, the occurrence rate of scratching accidents caused by contact between the edge of the strip steel and equipment is reduced, double improvement of economic benefits and technical performance is achieved, and data support is provided for process optimization and quality tracing.

The invention discloses a rolling schedule self-adaptive calculation method and system based on a neural network, relates to the technical field of metallurgical industry automation and intelligent manufacturing, and solves the technical problem that self parameters are difficult to adjust and update by constructing a double neural network model according to newly generated incoming material data and an actual rolling schedule. Comprising the following steps: collecting incoming material data, performing logarithmic transformation on thickness data, introducing a thickness change rate as an input feature, then constructing a first neural network to predict the number of rolling passes, calculating a reduction rate and a tension parameter of each pass by a second neural network, and embedding a model into a production system to generate a rolling schedule in real time. And finally, new data and historical samples are integrated, a model is continuously optimized through data set construction, offline training and online learning, a Bayesian updating rule is introduced in an online learning stage, model parameters are dynamically adjusted in combination with the new data and historical knowledge, and self-adaptive optimization of the rolling schedule is achieved.

The present application discloses a cold rolling method for a steel strip and a 780Mpa grade cold-rolled dual-phase steel. The cold rolling method comprises providing a steel strip to be processed, pickling the steel strip to be processed; placing the pickled steel strip to be processed into a single-stand rolling mill, and rolling the steel strip to be processed back and forth in the single-stand rolling mill for n passes to prepare a 780Mpa grade cold-rolled dual-phase steel; wherein the reduction rate of each rolling pass is 6% to 25%, and the reduction rate of the i-th rolling pass is P i Less than the reduction rate P of the (i-1)th pass i‑1 , n and i are positive integers, 2≤i≤n. According to the cold rolling method of the embodiment of the present application, a 780 MPa grade cold-rolled dual-phase steel with a higher reduction rate and thinner thickness can be obtained by rolling.

The invention relates to a foil rolling device and method, a current collector, a pole piece forming method, a battery production system and a power utilization device.In the rolling process, a rolling mechanism is used for rolling a foil to the needed thickness, and then a rolling mechanism is used for rolling a first blank area of the foil in the tape conveying direction; and the first blank area has extension deformation in the tape conveying direction. The first blank area of the foil corresponds to the tab area of the pole piece, so that the tab area of the pole piece is equivalently extended in advance and has extension deformation quantity in advance during cold press molding of the pole piece, and the probability of wrinkling of a coating area due to excessive extension can be reduced. Besides, the calendaring of the tab area is advanced to the rolling process, and the calendaring mechanism is arranged at the downstream end of the rolling mechanism, so that heat generated in the rolling process can be fully utilized in the calendaring process, and the first blank area of the foil is easy to extend.

The invention relates to a high-precision dynamic control method for wires and bars and a four-roller reducing and sizing rolling system, and belongs to the technical field of steel rolling. Aiming at the problems of insufficient dimensional precision, surface defects and low ovality of the existing two-roller and three-roller reducing and sizing mill, the invention provides a scheme for integrating a reducing rolling mill unit and a four-roller sizing mill, the single-pass compression ratio of the reducing rolling mill is 1.10-1.35, the single-pass compression ratio of the four-roller sizing mill is 1.001-1.10, and + / -0.001 mm precision control is realized by combining a dynamic roll gap adjusting system. Through an ellipse-circle-multi-section arc pass system, a roll gap compensation algorithm and Ki integral, the dimensional deviation is corrected in real time, finally, the dimensional precision of a finished wire and bar reaches + / -0.05 mm, the ovality is smaller than 0.05, the rolling speed is 140 m / s and 25 m / s at most, the service life of a roll collar is prolonged by 30%, and the production cost is reduced by 15%.

The invention provides a bidirectional tension control withdrawal and straightening method for loose edge defects of a cold-rolled 2B plate, which comprises the following steps of: S1, acquiring transverse strain distribution data of the plate in real time through a distributed optical fiber strain sensor array at the sampling frequency of more than or equal to 10kHz; s2, inputting the strain data and the process parameters into a physical-data hybrid drive prediction model, and generating an optimized combination matrix of longitudinal tension sigma long and transverse tension sigma trans by the model through a neural network constrained by an embedded Hollomon elastic-plastic equation; s3, the magnetic field intensity of the magnetorheological fluid clamping roller is dynamically adjusted according to the optimization matrix, so that the transverse tension is continuously adjustable within the range of 0.1-50 N / mm < 2 >; s4, a multi-target reinforcement learning algorithm is adopted, model parameters are updated on line based on real-time defect detection data, and the loose edge elimination rate and the energy consumption index are balanced. The method has the advantages that longitudinal and transverse tension coordinated regulation and control are realized, the loose edge defect elimination precision is improved, and the real-time adaptability of the model is enhanced.

The invention provides a strip steel rolling unit control method, device and equipment and a medium, and relates to the field of strip steel rolling. On the basis of the existing rolling mill thickness dynamic adjustment, the target speed compensation value is determined according to the target steel type and the target thickness reduction value of the target strip steel and the reference speed at the position of the rolling mill, the reference speed is compensated by the target speed compensation value, and the correction speed is obtained; and the passing speed of the strip steel is increased when the rolling mill rolls target strip steel. By adopting the technical scheme, the change value of the rolling thickness of the rolling mill can be increased by accelerating the speed of strip steel passing through the rolling mill and on the premise of ensuring stable rolling, so that the dynamic thickness change process of the rolling mill is accelerated, the number of consumed intermediate billets is reduced, and the waste of the intermediate billets is reduced.

The present invention relates to a method (100) and a device (10) for determining a target value (S) for a selected production parameter (P) of a rolling mill (200) with at least one rolling stand group (230) for rolling a metal product (12) into a metal strip (14), as well as a rolling mill (200) with such a device (10), a computer program product, and a machine-learned model (40). A value (W) of a material parameter (M) for a predetermined reference material is provided (S1). A correction factor (c2) for the material parameter (M) is determined by a machine-learned model (40) based on a recurrent neural network (42) using previously known production parameters (P*) in the metal strip production process (S3).The target value (S) for the production parameter (P) of the rolling mill (200) can then be determined on the basis of a physical production parameter model (52) which incorporates the material parameter value (W) adjusted with the correction factor (c2) and target specifications (Z) for the rolling of the metal strip (14) (S4).

The invention relates to the technical field of coated steel plate production, in particular to a high-straightness coated steel plate and a production method thereof. During production, the following processes are controlled: 1) finishing, namely determining finishing inlet tension T1, finishing outlet tension T2 and finishing rolling force F according to the thickness h and yield strength sigma s of strip steel, and ensuring that a tensile stress value formed by a tension roller is greater than a pressure stress value formed by the rolling force; and 2) coiling: adopting double coiling mechanisms to ensure that the strip steel does not generate longitudinal warping when the strip steel passes through a second turning roller and is coiled. Based on the forming mechanism of the plate shape defect, stable control over the plate shape of the coated steel plate finished product is achieved by improving the finishing parameter adaptation degree and improving the coiling equipment and technology, and great significance is achieved for improving the straightness of the coated steel plate finished product and improving the production efficiency and product competitiveness of the coated steel plate.

The invention relates to the technical field of steel rolling, and particularly discloses a high-speed wire rod slitting rolling method which comprises the following steps: blank heating: heating a steel blank to 1050-1100 DEG C, and keeping rolling plasticity; rough rolling and intermediate rolling: rolling the steel billets into intermediate billets through 1 #-9 # rolling mills; in the step of pre-finish rolling and segmentation, two pre-rolled pieces with the diameter phi being 24 mm are obtained through segmentation rolling through a 13 #-18 # pre-finish rolling machine, a double-line segmentation system and a shared channel system are adopted in a segmentation composite high-line production line, the double-line segmentation system is formed by transforming a 2 # small rod production line into a double-segmentation composite high-line production line, and the double-segmentation composite high-line production line comprises a north line segmentation channel and a south line segmentation channel. A steel splitting device is arranged behind the 18 # pre-finishing mill; finish rolling and cooling: respectively passing the cut wire through a north line or south line finish rolling unit, then looping by a silking machine, and cooling by a scattered coil air cooling line; the production capacity and the economic benefit are improved by cutting the hole pattern and splitting the steel conveying curve guide groove, and the multi-specification requirements of the market are met.

The invention relates to a preparation method of a thin-specification 550Mpa-grade high-fracture color-coated substrate, and belongs to the technical field of preparation of color-coated substrates. The method comprises the steps that a casting blank with set chemical components is obtained, and the set chemical components comprise a trace amount of Nb; the casting blank is sequentially heated, hot-rolled and coiled, and a hot-rolled plate coil is obtained; the hot-rolled plate coil is sequentially subjected to acid pickling, edge cutting and cold rolling, the unit tension of each pass, the reduction rate of each pass and the total reduction rate of cold rolling are controlled, and a cold-rolled plate coil is obtained; and the cold-rolled plate coil is sequentially subjected to annealing, finishing and hot dipping, and the color-coated substrate is obtained. Through the optimization of the whole-flow process, especially the fine control of key steps such as hot rolling, cold rolling and annealing, the color-coated substrate which is thinner, higher in strength and capable of meeting the elongation requirement is successfully produced under the condition that no Nb alloy is added or only a small amount of Nb alloy is added. The substrate is low in cost, excellent in performance and wide in application prospect.

The embodiment of the invention provides a preparation method of a titanium foil strip with high elongation and good surface microcosmic quality. The preparation method comprises the steps that a sponge titanium raw material is smelted and machined through a primary electron beam cold hearth smelting furnace; the titanium metal plate blank is coated with an anti-oxidation coating to form an anti-oxidation coating; the titanium metal plate blank coated with the anti-oxidation coating is subjected to heating, heat preservation, hot rolling and continuous annealing shot blasting acid pickling treatment; the hot-rolled titanium coil is subjected to first-rolling-process cold rolling, and continuous annealing, shot blasting and acid pickling are conducted after cold rolling; carrying out multi-rolling-process cold rolling and semi-finished product annealing by adopting a cold rolling unit and an argon protection cover type furnace; carrying out finished product rolling on the annealed master tape by adopting a cold rolling unit; performing finished product heat treatment on the titanium strip by adopting an argon shield continuous annealing furnace; and straightening the annealed titanium strip by adopting a tension straightening machine. According to the embodiment of the invention, the titanium foil strip with high elongation and good surface microcosmic quality is obtained, and the prepared titanium foil strip is excellent in forming performance and surface microcosmic quality.

The invention discloses high-nickel stainless steel rolling equipment with a tension control function, and relates to the technical field of rolling equipment.The high-nickel stainless steel rolling equipment comprises a base, a first motor, a gearbox, a first connecting shaft, a second connecting shaft, a rolling device, a cleaning device and a deviation rectifying device.The rolling device can conduct fine adjustment on a roll gap of a rolling mill in time, and steel is kept to be stressed evenly; the cleaning device can adsorb and remove dust, impurities and fine metal particles attached to raw materials through static electricity before rolling is started, meanwhile, when equipment is shut down or the rolling procedure is intermittent, self-cleaning can be conducted, the cleaning efficiency in the next use process is guaranteed, and the deviation rectifying device can automatically rectify the dust, the impurities and the fine metal particles before the raw materials enter a rolling area through the conveying device. And the rotating angle and pressure of the conical roller can be automatically adjusted through the conical roller during transportation deviation, so that raw materials are gradually returned to a correct conveying path, and the defects of non-uniform rolling thickness, edge wave shape or plate shape caused by incorrect position are avoided.

The invention discloses a composite plate hot rolling speed-deformation-pressure coupling control system and method, and the method comprises the steps: building a time-space sequence prediction model through employing a long-short-term memory network based on the hot rolling data of a multi-layer composite plate, predicting the rolling speed, rolling force and deformation, and obtaining the deformation of the multi-layer composite plate according to the deviation between the prediction quality and the target quality. And carrying out feed-forward correction on the roll gap by adopting a multi-target balance optimization algorithm. On the basis of feed-forward correction, the residual error between the actual thickness value and the set outlet thickness is further considered, a roll gap feedback adjustment strategy is designed, and composite plate hot rolling speed-deformation-pressure coupling control is achieved. The composite plate hot rolling speed-deformation-pressure coupling control method is high in control precision, the defects of a traditional method are overcome, speed-deformation-rolling force dynamic coupling control is improved, and the method can be widely applied to multi-layer composite plate hot rolling.

A copper-aluminum composite foil and a preparation method therefor. The preparation method comprises the following steps: S1, smelting an aluminum ingot and then pouring same into a preheated casting nozzle, and cooling and crystallizing cast molten aluminum until it is in a semi-molten state, so as to prepare a semi-molten aluminum material; preheating a copper material; contacting the surface of the semi-molten aluminum material with the surface of the copper material, and performing continuous cast rolling to prepare a composite mother blank with a thickness of 7.0-10.0 mm; S2, machining the composite mother blank into a blank with a thickness of 0.15-1.0 mm by means of cold rolling; S3, subjecting the blank to an annealing treatment at 190-300°C under the protection of an inert gas for 10-30 h, and S4, rolling the annealed blank foil to a thickness of 0.01-0.035 mm to prepare the foil. Further disclosed is a copper-aluminum composite foil prepared by the method. The thickness of the foil prepared by the preparation method for a copper-aluminum composite foil is smaller than that in the prior art.

The invention discloses a rolling guide and guard adjusting device and a using method thereof, and relates to the technical field of rolling mill auxiliary equipment. Comprising a guide support, an adjusting assembly is arranged on the front surface of the guide support, and a detection assembly is arranged in the adjusting assembly. When the guide and guard device is used, metal penetrates out of the two rolling guide wheels and the guide and guard support. And then a forward and reverse motor is started, a rotating shaft and an adjusting gear are driven to rotate, two racks, two movable blocks and two sliding blocks are driven to move relatively, two adjusting frames are driven to move relatively through cooperation of a plum blossom base, a plum blossom movable sleeve and a plum blossom fixed block, two rolling guide wheels are driven to move relatively, and the distance between the two adjusting frames and the two rolling guide wheels is adjusted. Under the cooperation of the adjusting assembly and the detection assembly, the effect of adjusting the distance between the two rolling guide wheels is achieved, the device adapts to metal of different sizes, the links of disassembly, installation, debugging and the like are omitted, and time is saved.

The application discloses a method for controlling damage of a high-speed rod product rack roller ring, and relates to the technical field of rod rolling processes, which comprises the following steps: obtaining working parameters of finishing mills in each production stage in a high-speed rod rolling production line; extracting the working parameters of the finishing mills in the finishing stage; and adjusting the working parameters of the finishing mills in the finishing stage to control the damage frequency of the roller ring of the finishing product rack. Through the method, the tension between the rolling pieces in the finishing mill is controlled, the head biting impact of the rolling pieces is controlled, the upper pressing method is adopted for the finishing product rack, and the roller ring cooling water is improved, so that the stability of the steel biting and the cooling effect of the roller ring are controlled, the production accidents caused by the damage of the roller ring of the finishing product rack are reduced, and stable production is realized.

The invention discloses an operation method for strip steel deviation control based on a CSP process, which realizes stable rolling of the CSP process, improves the plate shape and coil shape quality, avoids the influence of steel piling accidents, product degradation and poor plate shape and coil shape on the subsequent process through side guide plate setting, roller convexity adjustment, friction force control and tension adjustment, effectively reduces the production cost, and improves the production efficiency. The problems of unstable rolling, poor asymmetric plate shape, poor coil shape and the like are solved.

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.