76 results about "Material line" patented technology

The application discloses a preparation method of notebook computer shell added with recycled aluminum anodized aluminum strip, and specifically comprises the following steps: raw materials such as recycled aluminum, aluminum ingot and intermediate alloy ingot are subjected to smelting, casting, hot rolling, cold rolling, intermediate annealing, roughening cold rolling and cleaning and straightening to obtain a notebook computer shell added with recycled aluminum 5000 series aluminum plate strip. The average grain size of the aluminum alloy strip is less than 10 microns, the grain aspect ratio is 0.9-1.1, the maximum size of intermetallic compounds is less than 5 microns, the compound proportion difference in unit area is less than 1%, the sand blasting sand type on the surface of the aluminum material is 120-150# iron sand, the roughness Ra after sand blasting is 1.8+ / -0.3 microns, and the anodized surface is fine and free of material lines.

The utility model relates to a kind of aluminium residue incineration treatment systems after production triisobutyl aluminium, belong to triisobutyl aluminium technical field, solve the problem of low efficiency of existing incineration system processing.The system includes feeding unit, processing unit, combustion unit;Feeding unit includes low-temperature liquid nitrogen storage tank, raw material tank, vaporizer, nitrogen line and raw material tank inlet material line, nitrogen line includes nitrogen main line, first nitrogen branch line, second nitrogen branch line and third nitrogen branch line;Processing unit includes mixed stirring reaction kettle, motor and liquid full plug wire are installed in mixed stirring reaction kettle;Combustion unit includes incinerator, two combustion chamber, spray gun device, air supply device, two combustion chamber material line and nitrogen backflush line.The system processing efficiency is high.

The utility model provides a coiling material line deviation detection tool of a coiling machine. The coiling material line deviation detection tool of the coiling machine comprises a ruler rod, the ruler rod sequentially comprises a connecting part, a handheld part and a scaleplate part along the length direction of the ruler rod; the connecting part is used for being detachably connected with the winding machine, the handheld part is used for being held by the hand of an operator, and scale marks are arranged on the scaleplate part. An operator can easily install the detection tool on the winding machine for detection according to actual production requirements, the hand-held part is held by the hand of the operator, and the operator can hold the detection tool more conveniently and stably in the operation process by means of the hand-held part. And the scale part is provided with scale marks, so that a quantitative basis is provided for accurately measuring the deviation condition of the coil material line. Through the cooperation of the connecting part, the handheld part and the scale part, whether the material deviates or not can be conveniently, rapidly and accurately measured, and the use flexibility and convenience of the detection tool are greatly improved.

The application belongs to the technical field of livestock breeding, and particularly relates to an automatic calibration system and method of an intelligent feeding device, which comprises a data acquisition module, a data processing module and a calibration execution module; the automatic calibration system further comprises a tower weighing controller, a weighing sensor, a material line controller, a terminal material line probe and the intelligent feeding device. The automatic calibration system adopts an automatic mode and does not need manual intervention, and each material line can save calibration time of more than half an hour each time, greatly solving the calibration time and improving the calibration efficiency; the calibration precision is improved, the calibration error is reduced from 8% of manual calibration to within 1% through dynamic data closed-loop calibration, the efficiency and precision are improved, the error is reduced, the intelligent breeding demand can be better met; the calibration cost is effectively reduced, the existing equipment and data are reused, no new sensor needs to be added to the intelligent feeding device, the equipment investment is reduced, the manual cost is significantly reduced, the calibration precision is improved, and the automatic calibration system is suitable for large-scale breeding farms.

The invention relates to a device and a method for foaming building materials with CO₂ 2 for the production of a building component and / or building insulation. The device comprises a conveying device (2) and, downstream, a construction material line (3) in which one or more injection nozzles (4) are arranged to inject liquid CO into the stream of construction material. 2 to inject. The pressure level in the building material line (3) is maintained such that the injected CO₂ 2 remains in its liquid state. The building material as well as the CO 2 downstream they enter a mixing device (9) and then at least one or more decompression pumps (11), which ensure controlled decompression of building material and liquid CO₂ 2without significant cooling and segregation. Downstream, a dispensing device (19) is arranged, which is configured to dispense the material for the production of a component and / or building insulation. Depending on the addition of CO 2 This allows the layers within a component to be modified with respect to their density and thus their properties in terms of load-bearing capacity, heat transfer, and mass. If the amount of CQ is kept constant during the process, 2 injected, which the building material in gaseous CO 2 The material that can be absorbed in the suspension forms a building material foam, for example, in the form of building insulation. The invention further comprises a corresponding method for manufacturing components using such a method.

The invention belongs to the technical field of blast furnace smelting, and particularly discloses a method for discharging a zinc element in a blast furnace. The method comprises the steps of zinc discharge triggering condition judgment, charge level lowering operation, heat system and slagging system control, air volume and top pressure control, charging system adjustment and safety monitoring, specifically, zinc discharge operation is triggered through cycle management or furnace condition fluctuation, the charge level is lowered to 13-15 m and maintained for 2-3 h, the furnace top temperature is controlled to be 300-350 DEG C, and the furnace top temperature is controlled to be 30-35 DEG C; the load is reduced to 3.5 before the material is reduced, the load is controlled to be 2.4-2.6 during the period, the air volume is gradually reduced from the initial value being less than or equal to 4200Nm < 3 > / min, and the ore coke angle is synchronously adjusted by 0.5 degree when the material line is 4-15m and the ore coke is lifted every 1m. The zinc element is efficiently and safely discharged, the zinc circulation enrichment mechanism is effectively broken, and stable operation of the blast furnace is guaranteed.

The present application relates to a kind of blast furnace material speed calculation system, belong to intelligent metallurgy field, comprising: data acquisition module, for obtaining the material line depth when loading material, corresponding time and the weight data of material;Data preprocessing module is used to judge the validity of single or multiple measurement data, and the average value of the material line depth effective value of the current material to be laid is calculated, and the data is saved;Material descending speed calculation module is used to process and calculate according to the collected data, obtain the latest material descending speed;Storage module is used to store the collected data and calculated data.The present application also provides a kind of blast furnace material speed calculation method, equipment and computer readable storage medium.

The application discloses a kind of material line state detection method, device, equipment and storage medium, comprising: the switch of the blanking valve at the adapter between material line is collected, and according to the switch signal, the state of the blanking valve is judged;The state of the blanking valve includes off-to-position state and open-to-position state;If it is off-to-position state, the signal of material line end probe is collected, and according to the signal of material line end probe, the full material degree of the feed in the material line is judged, so as to detect the current running state of the material line according to the full material degree and the state of the blanking valve;If it is open-to-position state, the travel switch signal of plug chain in material line is collected, and according to the travel switch signal, the tension state of the plug chain is judged, so as to detect the current running state of the material line according to the state of the blanking valve and the tension state of the plug chain;Wherein, the current running state of the material line includes normal running state and abnormal running state.

Stereoscopic laying hen welfare breeding equipment with a manure cleaning function at the bottom comprises a cage net cage frame, a front-back driving and manure cleaning system, a feeding system, an egg collecting system and a side wall chicken outlet door system which are arranged in a chicken coop, the cage net cage frame is located in the middle of the whole chicken coop and comprises a cage frame, cage nets, a water line, a lamp line and an inhabiting frame, and multiple layers of cage nets are fixed in the cage frame; the feeding system comprises a chain type stockline, a material box, a power head and a corner wheel, and the chain type stockline is fixed to the first layer, the third layer and the fourth layer of the cage frame; the egg collecting system is located on the second layer of the cage frame and comprises a vertical egg collecting machine, a plant area egg collecting system, a head-tail frame, an egg laying box, an egg belt, a support and a chicken driving system. The side wall chicken outlet door system comprises a chicken outlet door and a lifting system driving the chicken outlet door to be opened and closed. The chicken outlet door is arranged on the side wall of the henhouse and can be opened and closed in a timing mode, the sand bath area and the outdoor activity area are arranged on the outer side of the henhouse, chickens can conveniently release the nature, the use space is enlarged through the multi-layer design, the number of raised chickens is increased, cost is reduced, and the henhouse is suitable for application and popularization.

The invention relates to a spiral supporting plate straight hole machining method which is completed through cooperation of a three-dimensional inspection sample box, a hole center positioning method, a hole site lineation technology, a detection tool, a jack supporting cushion technology, a drilling technology and the like, and the three-dimensional inspection sample box is used for inspecting the profile tolerance of a spiral supporting plate and scribing an inner circle net material line and an outer circle net material line; a two-dimensional drawing is projected into a three-dimensional model through the projection principle in three-dimensional software, the distance between the inner circle of the supporting plate and the circle line where the hole center is located and the distance between a starting point and all hole sites are obtained through measurement, then hole site lineation is conducted on the spiral supporting plate, and drilling is conducted on a drilling machine by aligning the position through the jack supporting cushion technology. The purposes of hole center positioning and straight hole drilling perpendicular to the spiral surface of the spiral supporting plate are achieved; the whole machining method does not depend on a large numerical control drilling and milling machine, machining difficulty and machining cost are reduced, positioning precision is high, machining efficiency is high, and wide application and popularization value is achieved.

The utility model relates to the technical field of semiconductor die bonding equipment, and particularly discloses a feeding and discharging line body and a die bonder. The feeding and discharging line body comprises a first area, a plurality of second areas, a third area and a fourth area which are arranged in sequence; in the first area, the first conveying piece is used for receiving the substrate output by the feeding unit, the first conveying piece can drive the substrate to move towards the next area, and the first blocking unit selectively blocks the substrate from moving to the next area; in the second area, the second conveying piece can drive the substrate to move to the first area and the next area, and the second blocking unit selectively blocks the substrate from moving to the first area; in the third area, the third conveying piece is used for driving the substrate to move towards the next area, and the third blocking unit selectively blocks the substrate from moving to the next area; and a fourth conveying piece in the fourth area is used for driving the substrate to be conveyed out of the feeding and discharging line body. The feeding and discharging line body orderly processes batch substrates, accurately controls the conveying rhythm and position of the substrates, and improves the conveying efficiency and smoothness.

The invention discloses a method for eliminating tuyere fire after damping down of a high-pressure-difference large blast furnace, which comprises the following steps of: (1) quickly reducing air at the earlier stage of damping down of the blast furnace, stopping coal and oxygen in time, and reducing the pressure in the furnace; (2) furnace top pressure control: rapidly reducing the furnace top pressure in the early damping-down stage of the blast furnace; (3) stock line control: in order to increase the air permeability of stock columns in the furnace, controlling the stock line to be 2.5-3.0 m after damping down; and (4) reducing the pressure in the furnace, gradually increasing damaged pipes on the cooling wall of the furnace body in the later period of furnace service, maintaining a part of the damaged pipes by medium-pressure nitrogen, and stopping the maintenance nitrogen in time to reduce the pressure in the furnace after damping down. The invention aims to quickly, safely and effectively eliminate the tuyere fire phenomenon, reduce the equipment loss, reduce the safety risk, particularly shorten the tuyere replacement time, improve the blast furnace productivity and reduce the environmental pollution through scientific and reasonable operation procedures and technical means. And a good condition is created for reblowing after damping down of the blast furnace.

The utility model relates to the technical field of livestock breeding, and discloses an automatic uniform mixing type medicine adding device for a plug tray stockline, which comprises a stirring box arranged on the plug tray stockline; the stirring assembly comprises a plurality of stirring pieces and a plurality of conveying pieces, the stirring pieces and the conveying pieces are arranged in the stirring box, the stirring pieces and the conveying pieces are arranged in a staggered mode and connected end to end, the inlet end of the stirring piece located at one end communicates with one end of the tray plugging material line, and the discharging end of the conveying piece located at the other end communicates with the other end of the tray plugging material line; the medicine adding assembly comprises a medicine adding bin and a medicine adding part, the medicine adding bin is fixedly connected to the stirring box and communicates with the inlet end of the stirring part located at one end, and the medicine adding part is arranged in the medicine adding bin and used for controlling medicine output. Normal conveying of feed in a feed line is not affected, the feed can be fully mixed with medicine after passing through the device, and the problems that manual medicine adding is high in cost, low in efficiency and not beneficial to biological safety protection and the medicine and the feed cannot be fully mixed are solved.

The utility model discloses an automatically adjustable striker plate which comprises a first conveying belt and a second conveying belt, the first conveying belt is perpendicular to the second conveying belt, and the input end of the second conveying belt is arranged on one side of the first conveying belt. The position of materials is detected in real time through the photoelectric sensor, the controller can rapidly respond and control the telescopic cylinder to adjust the position of the material blocking plate, it is ensured that the materials can be accurately conveyed to the second conveying belt, the material blocking plate is not prone to being damaged, the material blocking plate is not prone to being damaged, and the material blocking plate is not prone to being damaged. Therefore, the bread is uniformly distributed on the material arranging line at intervals. The automatic process reduces the need of manual intervention, so that the production efficiency is greatly improved. The accurate position adjustment of the striker plate ensures that the materials do not slide off from the first conveying belt or are accumulated at wrong positions, and the loss and waste of the materials are effectively reduced.

The present application relates to the technical field of melt granulation, and discloses a melt granulation platform for processing polypropylene microporous foaming sheet with flame-retardant and smoke-suppressing properties, which comprises a granulator shell, a water reservoir and a screw feeder, the water reservoir is arranged on the top of the granulator shell, the screw feeder is arranged above the granulator shell, a feeding assembly for assisting batch feeding is arranged on the top of the screw feeder, and a cooling assembly for cooling the molten columnar polypropylene before it enters the water reservoir is arranged above the granulator shell. Compared with the traditional feeding mode of the polypropylene melt granulator, the batch feeding can reduce the impact force of the large raw materials entering the screw at one time, reduce the instability of the material line, and is conducive to the smooth production process. At the same time, the batch feeding can control the feeding speed of the raw materials, reduce the risk of material line blockage, ensure the uniformity of the raw materials in the processing process, and ensure the normal operation of the equipment and the production efficiency.

The application discloses a two-dimensional material line contact heterojunction and an array type preparation method thereof, and belongs to the field of nanomaterials, and comprises the following steps: transferring a first material layer on a substrate, and etching a plurality of first material units; preparing an isolation protection layer covering the first material units, etching a plurality of isolation protection units respectively covering the first material units, and at least one side of the first material units protruding the boundary of the isolation protection units; etching the first material units again to obtain a lap joint side where the isolation protection units and the first material units are flush; transferring a second material layer on the substrate, etching the second material layer into a plurality of second material units, one end of the second material units being lap jointed with the isolation protection units, the other end of the second material units being attached to the substrate on one side of the lap joint side, and the middle part of the second material units being lap jointed with the boundary of the first material units on the lap joint side. The method can realize array type preparation of the two-dimensional material line contact heterojunction, improve the preparation efficiency, and reduce the preparation cost.

The embodiment of the application provides a tension measuring device, and relates to the field of battery production equipment industry.The tension measuring component comprises a supporting seat, a tension sensor and a roller shaft component.The roller shaft component comprises a tension roller, two bearings and a supporting piece, the supporting piece is connected with the supporting seat, one end of the supporting piece is connected with the tension sensor, the two ends of the supporting piece in the axial direction are provided with bearing mounting spaces for assembling the two bearings respectively, and the two ends of the tension roller are connected with the two bearings respectively.The tension roller is used for contacting with a material line and is provided with a through hole extending along the axial direction of the tension roller.The gravity is reduced, the inertia of the tension roller is also reduced, the influence of the tension roller on the material line is smaller when the tension roller rotates, the influence of the inertia on the material line tension when the tension roller is driven to rotate is reduced, the precision of the material line tension measurement is improved, and the material line tension at any position in the whole machine material line can be conveniently measured through the magnetic attraction piece.

A scanning electron microscope (SEM) cross-sectional sample preparation method for thin film materials based on a laser-heat-broken brittle substrate, belonging to the field of thin film materials, includes: fabricating the thin film to be tested on a brittle substrate; dispersing light-absorbing nanoparticles in an organic solvent to prepare an ink, followed by ultrasonic dispersion, with the dispersion temperature controlled by a water bath; filtering the dispersed ink to obtain ITO nanoparticle ink; setting a driving waveform to obtain ITO droplets; heating the brittle substrate on which the thin film to be tested has been prepared; setting printing parameters and printing patterns to start inkjet printing to obtain light-absorbing material lines; heating the brittle substrate on which the thin film to be tested and the light-absorbing material lines have been prepared; adjusting the laser spot diameter and laser parameters, setting the laser scanning path, and starting the laser to perform sintering treatment to achieve fracture of the brittle substrate; and performing SEM analysis on the fractured substrate. This invention has the advantages of simple operation, smooth fracture surface, high sample preparation efficiency, wide applicability, low cost, and repeatability.

The invention belongs to the technical field of blast furnace smelting, and particularly discloses a method for treating suspended materials in a blast furnace, which specifically comprises the following steps of: dividing the suspended materials into general suspended materials, serious suspended materials and intractable suspended materials according to pressure difference, through burning index (K value) and stockline depth; then, multi-parameter linkage regulation and control are achieved by establishing a time sequence operation rule of air volume, top pressure, feeding and thermal compensation; and finally, the coal injection ratio is optimized in combination with the liquid permeability index of the dead stock column and the coal gas utilization rate (eta CO), and the technical blind area in suspended material treatment is solved through a graded response mechanism and dynamic parameter closed-loop control.

The utility model discloses a stockline doser device which comprises a barrel, a control box body and a pesticide spraying pipeline assembly, the control box body is fixedly installed on the outer side of the barrel through bolts, the barrel is connected with the pesticide spraying pipeline assembly through the control box body, and the control box body conveys pesticide liquid in the barrel to the pesticide spraying pipeline assembly for spraying. The components such as the stirring blades, the annular heating pipe, the peristaltic pump and the air pump can effectively achieve the functions of water adding and mixing, heating and stirring and atomizing pesticide spraying of immune drugs, uniform pesticide adding can be automatically achieved only by adding corresponding solid or powder liquid pesticide, high automation and intelligentization are achieved, material line linkage is achieved, and the labor intensity of workers is reduced. The safety and the reliability of drug immunity are ensured.

The utility model relates to a button cell automatic assembly platform, including material preloading module, linear module, material moving device, material detection device, automatic sealing device, on -line resistance detection device and automatic liquid injection device, material preloading module is used for placing 7 kinds of materials needed for assembly, linear module drives material moving device to move in XYZ space, and material moving device includes material moving carousel and 14 vacuum suction heads arranged along the circumference of material moving carousel, and 14 vacuum suction heads correspond to adsorb material, automatic sealing device includes corresponding upper pressure head and lower pressure head, and lower pressure head is used as assembly platform to carry material, and lower pressure head rises to complete riveting pressure, on -line resistance detection device is embedded in upper pressure head, material moving device adsorbs material to carry out positioning and detection through material detection device, then in turn removes to lower pressure head, carries out liquid injection and riveting pressure operation, the utility model can effectively avoid the problem that material placement is not accurate and concentricity is not enough, guarantees the assembly accuracy of button cell.

The invention relates to the technical field of melt granulation, and discloses a flame-retardant smoke-suppression melt granulation platform for polypropylene microcellular foaming sheet processing, the flame-retardant smoke-suppression melt granulation platform comprises a granulator shell, a water storage tank and a screw feeder, the water storage tank is arranged at the top of the granulator shell, and the screw feeder is arranged above the granulator shell; according to the polypropylene melting granulator, a screw feeder is arranged in the granulator shell, a feeding assembly used for assisting batch feeding is arranged at the top of the screw feeder, and a cooling assembly used for cooling molten columnar polypropylene before the molten columnar polypropylene enters a water storage tank is arranged above the granulator shell. The batch feeding can reduce the impact force of large raw materials entering the screw at a time, reduce the instability of a stockline, facilitate the stable proceeding of the production process, control the feeding speed of the raw materials, reduce the risk of stockline blockage, ensure the uniformity of the raw materials in the processing process, and improve the production efficiency. And the normal operation and the production efficiency of equipment are ensured.

The utility model relates to motor coil winding technical field especially, it relates to a motor coil winding device, solved the problem that the material line cannot be taut and will not break down in prior art by the force of suitable material line. A motor coil winding device, including fixed plate and winder, the surface rotationally connected with the outgoing line wheel of fixed plate, the surface fixedly connected with the installation shaft of fixed plate, the surface of installation shaft is equipped with the adjusting lever, the one end rotationally connected with the adjusting wheel of adjusting lever, the surface of adjusting lever is equipped with the adjustment groove, and the twist spring pivot is rotationally connected between installation shaft and adjustment groove, the surface fixedly connected with the guide block of fixed plate, the inside guide groove of guide block is equipped with, the surface rotationally connected with a plurality of tension pulleys of fixed plate. The utility model can protect the material line from breaking down and affecting use when the material line is straightened, ensure that the material line is taut while preventing the material line from easily breaking down.

The present application relates to the technical fields of metallurgical hydraulic system, and specifically provides a kind of rolled material line hydraulic energy-saving method, system, terminal and storage medium, comprising: monitoring production data, and based on the production data release management task, the production data includes production material inventory and production line operating state;Based on the management task, estimate the theoretical hydraulic pump quantity required for production in short term;Acquire the actual number of hydraulic pumps of production line running, and the actual number of hydraulic pumps of production line running is adjusted to the theoretical hydraulic pump quantity by starting or stopping part of hydraulic pump driving motor.The present application estimates the flow demand of each hydraulic station by monitoring the working state of production line, thereby generating management task, controls the number of hydraulic pump running of production line based on management task, thereby avoiding the waste of energy caused by full opening of hydraulic pump.

1. The name of the design product: buffer and its main body. 2. The use of the design product: the overall use and partial use of the design product are used for the buffering of the conveying of printing material line. 3. The design points of the design product: the partial shape of the claimed design. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. The back of the design product is not easy to see or not visible during use, omit design 1 rear view; The back of the design product is not easy to see or not visible during use, omit design 2 rear view. 6. Design 1 is designated as the basic design. 7. Other circumstances that need to be explained: the features represented by dashed lines in design 2 are not claimed.

The application discloses an aluminum alloy and a preparation method thereof. The aluminum alloy comprises the following components in percentage by mass: Mg 0.80-0.92%, Si 0.60-0.76%, Cu 0.60-0.99%, Mn 0.05-0.20%, Fe≤0.10%, and the balance of Al and impurities. By reasonably controlling the contents of main alloy elements Mg, Si, alloy elements Cu, Mn, Fe and impurities, the aluminum alloy is free of common anode appearance defects such as blackening, yellowing and material lines after oxidation treatment, has uniform and delicate color and luster, and presents high brightness and transparent appearance characteristics, and is very suitable for manufacturing appearance structural parts of 3C products.

A stacking plate on-line package combining adjuster comprises a bottom plate, a bearing plate, a moving assembly and a fastening assembly. The bearing plate is erected above the bottom plate through the moving assembly, and the bearing plate can horizontally move relative to the bottom plate through rolling of the ball. The fastening assembly comprises a lower fastening block, an upper fastening block and a locking device, the lower fastening block is fixedly connected to the upper side of the bottom plate, the upper fastening block is fixedly connected to the lower side of the bearing plate, the locking device is arranged between the bottom plate and the bearing plate, and the locking device at least has a locking state and an unlocking state; the bearing plate can move along with the plate stack relative to the bottom plate, the plate stack does not move relative to the bearing plate, and therefore positioning between the plate stack and the bearing plate is not affected, the fastening assembly is arranged to lock the bearing plate again after the bearing plate moves in place, and the bearing plate can be fixed conveniently. By adopting the bag closing adjuster, the bag closing process of the plate stack is quick, simple and convenient, the overall production efficiency is effectively improved, and the labor cost is effectively saved.

The invention relates to a rapid preparation method for improving material grains of a mirror surface aluminum plate strip, which comprises the following steps of: (1) performing homogenizing heat treatment on an aluminum alloy cast ingot obtained by casting to obtain a high-temperature homogenized aluminum alloy cast ingot; the aluminum alloy cast ingot comprises the following components in percentage by mass: 0.08-0.15% of Si; 0.10% to 0.15% of Fe; less than or equal to 0.05% of Cu; less than or equal to 0.05% of Mn; less than or equal to 0.05% of Mg; less than or equal to 0.05% of Ti; and the balance of aluminum and inevitable impurities. (2) carrying out hot rough rolling on the aluminum alloy ingot subjected to high-temperature homogenization in a hot rolling mill to obtain a rough rolled strip with a middle thickness; (3) carrying out hot finish rolling on the rough rolled strip to obtain a hot rolled strip; (4) the hot-rolled strip is subjected to mirror rolling, and a cold-rolled strip with the thickness equal to that of a finished product is obtained; and (5) annealing the cold-rolled strip to obtain a finished product of the mirror surface aluminum plate strip. According to the preparation method disclosed by the invention, a medium heating process is canceled, rapid, efficient and low-cost preparation is realized by optimizing a hot rolling process, and a more competitive mirror surface aluminum product is prepared.