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1133results about "Casting parameters measurement/indication devices" patented technology

Alloy die-casting temperature field control method and system capable of reducing hot cracks

The invention relates to the technical field of alloy die-casting, and particularly discloses an alloy die-casting temperature field control method and system capable of reducing hot cracks, temperature gradients of different areas of a die are adjusted in real time according to flowing and solidification characteristics of alloy liquid, so that the surface temperature distribution of the die is matched with the solidification rate of the alloy liquid, and the alloy die-casting temperature field is controlled. Utilizing a machine learning algorithm to predict a risk area where hot cracks are generated on the basis of historical data and real-time monitoring data, and dynamically adjusting the flow velocity of a cooling system, the heating power of a die or die-casting process parameters according to a prediction result; through dynamic temperature gradient control, intelligent prediction and feedback control, a cooling strategy, a stress release mechanism and a real-time monitoring and optimizing process, thermal stress concentration can be effectively reduced, the possibility of generation of thermal cracks is reduced, the yield of castings is improved, the cooling time of the castings can be shortened through the cooling strategy, and therefore the production efficiency is improved, and the production cost is reduced. And reworking and scrapping of castings are reduced.
Owner:SHENZHEN LIDEBAO HARDWARE PROD CO LTD

Die-casting die multi-channel cooling system based on self-feedback temperature control

The die-casting die multi-channel cooling system based on self-feedback temperature control comprises a lower die base, a die cavity is formed in the upper surface of the lower die base, four cooling assemblies are symmetrically installed in the lower die base, and the four cooling assemblies are symmetrically arranged outside the die cavity; the cooling assembly comprises a heat exchange pipe, a first electromagnetic valve, a temperature measurement node seat, a shunt pipe, a third electromagnetic valve and a branch pipeline; the heat exchange tube is bent in a continuous S shape. When the cooling liquid reaches the first temperature measurement node seat, the temperature sensor monitors the temperature of the cooling liquid in the heat exchange tube at the node position, and when the temperature exceeds a rated value, the first electromagnetic valve at the node position is closed, the second electromagnetic valve is opened, and the third electromagnetic valve is opened; and at the moment, the cooling liquid with the temperature exceeding the rated value in the heat exchange pipe sequentially flows into the discharging pipe and the collecting pipe and then is discharged from the liquid discharging pipe, and new cooling liquid flows into the branch pipeline from the flow dividing pipe and then continuously flows downwards after flowing into the heat exchange pipe.
Owner:WAGON PRECISION (SUZHOU) CO LTD

Roll gap measuring instrument and integrated continuous casting machine online roll gap measuring device

The invention discloses a roll gap measuring instrument and an integrated continuous casting machine online roll gap measuring device, and aims to improve the precision of roll gap measurement and the convenience of operation. The roll gap measuring instrument comprises a mounting frame and a measuring assembly. The measuring assembly comprises a swing arm, a first elastic piece, a shifting block, a detection piece and a first detector. The swing arm is rotationally connected with the mounting frame, the shifting block is connected with the swing arm, and meshing teeth are arranged on the shifting block. The first detector is installed on the installation frame, the detection piece is in sliding fit with the first detector, and a rack meshed with the meshing teeth is arranged on the detection piece. The first elastic piece is used for driving the detection piece to return to the initial position. When the swing arm drives the shifting block to rotate, the shifting block drives the detection piece to move, the swing amplitude of the swing arm is calculated according to the moving distance of the detection piece, and then the roller gap between the rollers to be measured is obtained. According to the roll gap measuring instrument, through cooperation of the swing arm, the shifting block, the detection piece and the first detector, high-precision measurement of the roll gap is achieved, and the accuracy and reliability of a measurement result are improved.
Owner:SHOUGANG GROUP CO LTD +2

Water cooling system for horizontal continuous casting of internal thread copper pipe and control method

The invention relates to the technical field of intelligent production of copper pipes, in particular to a water cooling system for horizontal continuous casting of an internal-thread copper pipe and a control method, and the water cooling system comprises an area division module which is used for carrying out function division on the water cooling system to generate a plurality of cooling areas; the temperature monitoring configuration module is used for setting a plurality of temperature monitoring point positions according to the plurality of cooling areas; the data acquisition module is used for acquiring the pulling speed of the copper pipe and the real-time temperature of a plurality of temperature monitoring points in real time; the fluctuation analysis module is used for carrying out comprehensive fluctuation analysis on the plurality of real-time temperatures to obtain temperature fluctuation characteristics; the method can adapt to the pulling speed change, process constraints are dynamically fused, and regional accurate regulation and control are achieved.
Owner:常州润来科技有限公司

Electric engine assembly integral forming process based on precision integral casting

The invention discloses an electric engine assembly integral forming process based on precision integral casting, which comprises the following steps: designing a split type precision mold through computer aided design software, and carrying out nitriding treatment to improve the performance; selecting a specific aluminum alloy raw material, performing vacuum induction melting and refining, and injecting the aluminum alloy raw material into a preheated and sprayed mold cavity in a low-pressure casting manner; and demolding after air cooling and water cooling are combined, then after-treatment procedures such as deburring and heat treatment are conducted, and finally detection and assembly are conducted. A conformal cooling water channel design and an ultrasonic-assisted smelting technology are adopted in the process innovation, and the casting process is monitored in real time. According to the process, manufacturing procedures are reduced, compared with a traditional mode, the production efficiency is improved by 30%-50%, the cost is reduced by 20%-30%, the assembling problem is effectively avoided, the sealing performance and reliability of the electric engine are improved, the service life of the electric engine is prolonged, high integration is achieved, and the modern industrial requirement is met.
Owner:GUANGZHOU HERSIO IND CO LTD

Casting and forging composite forming method and die for aluminum alloy structural part

The invention provides a casting and forging composite forming method and die for an aluminum alloy structural part. A certain downward pressing amount is reserved for a male die; the cavity is filled with the metal melt at a certain speed under the pushing of the injection punch; increasing the pressure of the punch and maintaining the pressure (indirect extrusion casting); the pressurizing pin is started to carry out local pressurizing feeding; and the male die moves downwards by a certain distance, high pressure is applied, and closed die forging is conducted on the casting in the semi-solidified state. The mold structure comprises a shell part, a forming part, a flash storage and exhaust part, a pouring system, a temperature adjusting and monitoring system and a demolding system. The extrusion casting process and the closed die forging process are integrated in one set of die and are achieved through the extrusion casting machine, the performance of a final product is better than that of an extrusion casting method, the forming process is easier to achieve compared with forging, meanwhile, the production cost is lower, and the method is particularly suitable for forming machining of high-performance safety parts, structural parts and complex parts.
Owner:NANJING UNIV OF SCI & TECH

Methods for predicting mechanical properties of casting part and designing casting die

A method for predicting the mechanical properties of a casting part based on the flow distances of an aluminum alloy melt, a method for designing a casting die for mega casting, and an aluminum alloy casting part produced through the casting die thus designed. By applying the method, the mechanical properties of the large components produced by mega casting within a specified process parameter window, especially at a specified injection speed, can be predicted and controlled, thereby the automation in automobile manufacture is improved, and the design and properties of the mega-casting products are optimized.
Owner:VOLVO CAR CORP

Cam cover die-casting die with spiral cooling structure

The invention belongs to the field of dies, and particularly relates to a cam cover die-casting die with a spiral cooling structure, a die table mechanism comprises a lower die table and an upper die table which are combined, and a lower die core and an upper die core which are matched with each other are arranged in the lower die table and the upper die table; the pouring mechanism comprises a pouring end seat arranged on the upper mold table, a pouring channel penetrating through the upper mold core is formed in the pouring end seat, and the other end of the pouring channel penetrates into a closed cavity of the lower mold core and the upper mold core; the track mechanism comprises a track table arranged on the outer side of the cavity; the multi-layer structure of the spiral pipe is in direct contact with the outer wall of the cavity, the spiral flowing path of a cooling medium is combined, the heat exchange area and cooling uniformity are increased, the casting deformation risk is reduced, a temperature sensing end base integrated temperature sensor monitors the temperature of the cavity in real time, and the flow of the cooling medium is dynamically adjusted in cooperation with a deformation piece driven by an air bag piece. And intelligent control of slow-cooling anti-cracking in a high-temperature area and rapid-cooling shaping in a low-temperature area is realized.
Owner:WENZHOU CHUANGKE MOLD TECH CO LTD

Precision casting process of stainless steel impeller for nuclear power

The invention relates to the field of precision casting, and discloses a precision casting process for a stainless steel impeller for nuclear power, which comprises the following steps of: S1, pressing a wax mold by using an investment casting process, and connecting the wax mold into a tree shape by using a wax rod; s2, the surface of the wax mold is coated with a refractory material, dewaxing is conducted through dewaxing equipment after drying, a hollow shell is obtained, and then high-temperature roasting is conducted; s3, selecting duplex stainless steel to be smelted in an electric furnace, heating molten steel to a preset pouring temperature, and pouring the molten steel into the shell from the bottom or the side; s4, the shell is removed after being naturally cooled, and solution treatment is conducted on the impeller; s5, carrying out sand blasting, shot blasting and sand cleaning, and carrying out nondestructive inspection; wherein dewaxing equipment used in the step S2 comprises a tank body, a rotatable tray is arranged in the tank body, and a plurality of adjustable fixing clamps are arranged on the tray to meet the fixing requirements of different shells; the top of the tank body is provided with a feed port, a discharge port and an automatic sealing door, and the bottom is connected with a wax liquid collecting tank and is internally provided with a liquid level sensor; the inner wall of the tank body is provided with a heating cavity for containing heating elements, and the outer wall is wrapped with heat insulation materials.
Owner:JIANGSU WANLIU MASCH MFG CO LTD

Casting shrinkage-proof device for hot working casting

The invention discloses a casting shrinkage-proof device for hot-working casting, and belongs to the technical field of hot-working casting, by arranging a heating mechanism and a knocking mechanism, through vibration and disturbance generated by knocking, the static state of 21800 austenitic stainless steel metal liquid in a casting mold can be broken, and the shrinkage-proof performance of the casting is improved. According to the technical scheme, small bubbles originally attached to the interior or the wall face of liquid are disturbed and start to float upwards, meanwhile, vibration can improve the liquidity of the metal liquid, crank knocking is started in the process that the metal liquid is injected into a casting mold, knocking is still continuously kept after the metal liquid is injected, knocking power is from pushing of steam, and therefore the effect of improving the fluidity of the metal liquid is achieved. No other external force is needed in the process, and the knocking frequency is gradually reduced until the knocking frequency is completely stopped along with cooling of metal, weakening of power generated by steam and reduction of the casting mold temperature, so that the purpose of preventing the stability of metal liquid during condensation from being damaged by excessive knocking is achieved.
Owner:LINHAI XINGYE PRECISION CASTING CO LTD

Roll gap measuring instrument and split type continuous casting machine online roll gap measuring device

The invention discloses a roll gap measuring instrument and a split type continuous casting machine online roll gap measuring device. The technical problem that an existing roll gap measuring instrument can only move in the single direction for measurement is solved. The roll gap measuring instrument comprises a box body, a roll gap detection structure and a roll gap measuring structure. The roll gap detection structure comprises a swing arm, a first elastic piece and a shifting block. The first end of the swing arm extends out of the box body, the shifting block is installed at the second end of the swing arm, and the first elastic piece is used for driving the swing arm to rotate to the initial position relative to the box body. The roll gap measuring structure comprises a first detector and a detection piece. The detection piece is in sliding fit with the first detector, and when the swing arm drives the shifting block to swing, the shifting block drives the detection piece to move. According to the roll gap measuring instrument disclosed by the invention, the compact box body and the innovative roll gap detection structure are designed, so that the measuring instrument can greatly reduce the equipment size while keeping the measuring precision, is convenient to carry and mount, and is particularly suitable for a working environment with limited space.
Owner:SHOUGANG GROUP CO LTD +2

Casting device for automobile gearbox shell

The invention discloses an automobile gearbox shell casting device, and relates to the technical field of automobile shell casting, the automobile gearbox shell casting device comprises a door-shaped support, the inner wall of the door-shaped support is fixedly provided with a lower mold through a plurality of connecting rods, the bottom surface of the lower mold is provided with a bottom plate, an upper mold is arranged above the lower mold, and the upper mold is fixedly connected with the door-shaped support. An air cylinder is fixedly installed on the top face of the door-shaped support, and the output end of the air cylinder is connected with the top face of the upper die. The cooling adjusting assembly is arranged in the lower mold, the cooling adjusting assembly comprises a main cooling pipe, the distance between the cooling pipe and the casting shell can be dynamically adjusted by arranging the cooling adjusting assembly, and the casting quality of the gearbox shell is remarkably optimized by combining real-time temperature and thickness detection; and aiming at the problem of local overheating or supercooling caused by wall thickness difference, the device can adaptively adjust the cooling intensity, so that a thick-wall area is quickly cooled, and a thin-wall area is prevented from being supercooled.
Owner:无锡铸佳品精密科技有限公司

Aluminum processing safety risk early warning method and system

The invention provides an aluminum processing safety risk early warning method and system, and belongs to the technical field of aluminum processing deep well casting. Meanwhile, the centralized control system controls the liquid level monitoring and alarming system, the cooling water monitoring and alarming system and the water storage monitoring and alarming system to respectively monitor and alarm the liquid level of molten aluminum at the aluminum outlet of the tipping furnace, parameters of the cooling water system and the water level of the water storage system; the centralized control system integrates liquid level monitoring, accumulated water recognition, cooling water parameter monitoring and storage water level multi-dimensional data monitoring and alarming, centralized monitoring and dynamic grading response of aluminum machining deep well casting full-process risks are achieved, and the active prevention and control capacity of key risks such as high-temperature molten aluminum leakage, casting core area accumulated water, cooling water failure and insufficient water storage is improved; the problems that traditional manual supervision is low in efficiency and high in aluminum leakage explosion risk are solved.
Owner:YUNNAN WENSHAN ALUMINUM CO LTD

Automatic transfer robot for hot metal ladles

The invention discloses an automatic transfer robot for a ladle. The automatic transfer robot comprises a robot body, a gate-type mechanical arm system, a ladle clamping and overturning assembly, an intelligent sensing system and an electrical control system. A servo-driven X-Y plane moving device is arranged at the bottom of the robot body, so that two-dimensional free movement is realized; the door type mechanical arm system comprises symmetrical mechanical arms, a connecting beam and a lifting and telescopic driving assembly and adapts to different positions. The clamping turnover assembly adopts a three-point positioning clamping and servo turnover device and integrates a manual switching system and a weighing system, so that accurate dumping is realized; the intelligent sensing system detects the positions of an iron outlet and a material receiving opening through laser vision; and the electrical control system cooperatively controls each component to realize automatic butt joint. The robot further comprises an automatic ladle cover opening and closing mechanism and a safety protection system, and safety is improved. Through automatic and intelligent design, the molten iron transfer safety and stability are improved, and the system is suitable for casting workshops and particularly suitable for transformation of old workshops.
Owner:CMCU ENG

Metal casting cooling control method and system

The invention discloses a metal casting cooling control method and system, relates to the technical field of data processing, and solves the problem that firstly, it is difficult to combine metal casting data with thermal imaging data to construct a three-dimensional temperature field model; secondly, the temperature distribution of the surface and the interior of the metal casting is difficult to analyze, and the cooling uniformity of the metal casting is difficult to analyze; then, a cooling medium is difficult to automatically adjust by using a PID control algorithm; and finally, defect detection is difficult to carry out on the metal casting. According to the invention, the cooling process of the metal casting is monitored in real time by using a sensor and a thermal imaging technology, and a three-dimensional temperature field model is constructed to analyze temperature distribution and evaluate the cooling effect; and adjusting cooling medium parameters through a PID control algorithm, and carrying out defect detection and visualization on the metal casting.
Owner:LINYI UNIVERSITY

Low-pressure casting forming die for screw rotor of compressor

The invention belongs to the technical field of low-pressure casting, and particularly relates to a compressor screw rotor low-pressure casting forming mold which comprises a bottom plate, a base is fixedly connected to the upper side wall of the bottom plate, pouring gates are formed in the side walls of the bottom plate and the base, and a mold body is fixedly connected to the upper side wall of the base. The upper side wall of the mold body is fixedly connected with four guide columns, and the upper ends of the four guide columns are fixedly connected with the same top plate. After the screw rotor in the forming die is cast and taken out, impurities such as molten metal and materials remaining on the inner wall of a cavity of the die can be automatically cleaned, next casting is prevented from being affected, meanwhile, the abrasion degree in the cavity is automatically detected, and after it is detected that the inner wall of the cavity is abraded, the screw rotor is automatically removed. And an operator can be reminded in time to repair the cavity, so that the die-casting quality of the compressor screw rotor is ensured.
Owner:NANTONG LIANXIANG MASCH CO LTD

Investment mold shell casting system

The invention relates to the technical field of investment mold shell casting, in particular to an investment mold shell casting system which comprises a rack, a slurry barrel, a roasting furnace, a cooling barrel and a slag collecting barrel are sequentially installed on the rack in the clockwise direction, and multiple sets of regularly-distributed elastic striking rods are installed on the inner wall of the slag collecting barrel. A loading and unloading station is arranged at the position, corresponding to the position between the slurry barrel and the slag collecting barrel, of the machine frame, a casting frame is installed on the machine frame in a liftable mode, a transmission unit is arranged on the casting frame, and the transmission unit is in transmission connection with a rotating station frame capable of periodically rotating by 72 degrees and a rotatable transmission gear ring. The casting equipment has the beneficial effects that casting links such as ceramic slurry coating, roasting, cooling and slag collecting are integrated into the same equipment, and the orderly circulation of a parison among the links is realized through the slurry barrel, the roasting furnace, the cooling barrel and the slag collecting barrel which are sequentially arranged on the rack in the clockwise direction and the rotary station frame capable of periodically rotating.
Owner:XIANGYANG LIQIANG MASCH CO LTD

Aluminum alloy die-casting equipment with adjustable sectional cooling mechanism

The invention relates to the field of die-casting process control, and discloses aluminum alloy die-casting equipment with an adjustable sectional cooling mechanism, which comprises a die-casting die, an electric control valve, a temperature sensor and a controller. A plurality of cooling channel sections are arranged on at least one side (a movable die or a fixed die) in the die-casting die, are distributed along a hot spot area of a die cavity and are respectively connected to an electric control valve which can be independently controlled. The temperature sensors are installed at outlets of all the channel sections and used for collecting the local temperature of the mold in real time and feeding back the local temperature to the controller. A cooling strategy configuration table is arranged in the controller and used for setting the water passing threshold value, the holding time and the control sequence of each section, and control parameters are dynamically adjusted according to actual temperature feedback, so that sectional cooling and closed-loop adjustment of different areas of the mold are achieved. The equipment is suitable for cooling control over the aluminum alloy die with wall thickness difference and a multi-hot-spot structure, the compactness of a casting and the die temperature balance can be effectively improved, and good engineering practicability and intelligent control capacity are achieved.
Owner:惠州市铭鑫精密科技有限公司

Automatic control method and device for furnace plug of aluminum ingot casting holding furnace

The invention discloses an automatic control method and device for a furnace plug of an aluminum ingot casting holding furnace, the device comprises a holding furnace (11), the holding furnace (11) is connected with an annular distributor through a chute (16), and the annular distributor is connected with a casting mould (15), and the automatic control method is characterized in that after production is started, a furnace mouth of the holding furnace (11) is closed firstly, and after the temperature and the liquid level of molten aluminum in the holding furnace (11) reach the standard, the furnace mouth of the holding furnace (11) is opened; molten aluminum flows into a chute (16), passes through an annular distributor and then enters a casting mold (15); when molten aluminum flows into the annular distributor, the conveying speed of the casting mould (15) is controlled by detecting the liquid level of the molten aluminum, and accurate casting of aluminum ingots is achieved. The opening degree of the furnace plug and the conveying speed of the aluminum ingot casting mold can be adjusted, so that the flow of molten aluminum is stable, and the quality of cast aluminum ingots reaches the standard; in addition, the casting mold conveying speed can be adjusted in time according to liquid level fluctuation, and the situation that molten aluminum overflows or is cut off is avoided.
Owner:GUIYANG ALUMINUM MAGNESIUM DESIGN & RESEARCH INSTITUTE CO LTD

Method for rapidly detecting non-uniformity of flow field of continuous casting crystallizer on line

The invention relates to the technical field of steelmaking, in particular to a method for quickly detecting the non-uniformity of a flow field of a continuous casting crystallizer on line, which comprises the following steps of: acquiring a signal in a hydraulic vibration device of the crystallizer, converting the signal into a digital signal, and preprocessing the digital signal as time sequence synchronization data; the method comprises the following steps: slicing time sequence synchronization data according to a fixed time window, extracting multi-dimensional features from data in each time window, and constructing feature vectors; performing flow field evaluation by adopting a mixed model combining supervised learning and unsupervised learning; and outputting an alarm level prediction and diagnosis mode by using the multi-task learning model. An original signal capable of directly or indirectly reflecting a flow field state is acquired at high frequency through a multi-source sensor array arranged on a crystallizer; extracting characteristic values strongly related to the characteristics of the flow field by using a signal processing technology; inputting the characteristic value into a pre-trained deep learning neural network model; the model outputs a comprehensive evaluation index about the uniformity of the flow field in real time, and automatically identifies a non-uniform mode and grade.
Owner:BENGANG STEEL PLATES CO LTD

Equipment and process for producing cast aluminum-magnesium alloy

The invention discloses equipment and a process for producing a cast aluminum-magnesium alloy, and relates to the technical field of metal material casting, the equipment comprises a smelting unit, a casting unit and a demolding unit; according to the smelting unit, the alloy purity is improved through a resistance-type smelting furnace capable of accurately controlling the temperature, a rotary blowing device capable of efficiently degassing and the like; the casting unit optimizes the casting quality by using a magnetorheological fluid coating mold and an electromagnetic regulation and control device; the demolding unit reduces casting damage by means of multiple cooperative demolding means; the process comprises the steps of raw material pretreatment, precise smelting, precise casting, reasonable demolding and the like. By means of the means, the problems that in a traditional technology, gas purification is not thorough, the casting process is difficult to control, and parts are prone to being damaged during demolding are effectively solved, the functions of improving the quality of aluminum magnesium alloy castings, improving the production efficiency and reducing the rejection rate are achieved, and remarkable economic and technical benefits are achieved.
Owner:GD TECH DONGGUAN

Intelligent molten iron transportation system and intelligent molten iron transportation operation method

The invention provides an intelligent molten iron transportation system and an intelligent molten iron transportation operation method, and the system comprises an iron ladle whole-process management and control subsystem which is used for generating an iron ladle scheduling instruction according to an existing iron ladle resource state under the condition that a blast furnace tapping plan, a steelmaking plan or a steel rolling plan is received, generating a hot metal car dispatching instruction according to the current hot metal car use state and the line resource state; the intelligent molten iron vehicle monitoring subsystem is connected with the molten iron ladle whole-process management and control subsystem and is used for generating a transportation path instruction containing a transportation path according to the received dispatching instruction and transmitting the transportation path instruction to the intelligent molten iron automatic driving system; and the intelligent molten iron automatic driving system is connected with the intelligent molten iron vehicle monitoring subsystem and is used for controlling the molten iron vehicle to arrive at a specified tap hole to start receiving iron according to the transportation path instruction and controlling the molten iron vehicle to transport the heavy package to a steelmaking or steel rolling heavy package parking place after the iron receiving is finished. The defect that in-plant railway transportation informatization and intelligentization are insufficient in the prior art is effectively overcome.
Owner:CRSC URBAN RAIL TRANSIT TECH CO LTD

Copper-aluminum composite casting and rolling machine

The invention relates to the technical field of copper-aluminum composite cast rolling, and discloses a copper-aluminum composite cast rolling machine which comprises an aluminum smelting furnace, a cast rolling seat and a rolling device used for rolling plates, a casting nozzle is fixedly installed on the aluminum smelting furnace, a copper coil is rotatably installed on the cast rolling seat, and a heating plate used for preheating a copper plate is fixedly installed on the cast rolling seat. A plurality of upper rollers and a plurality of lower rollers are arranged in the cast rolling seat, the upper rollers correspond to the lower rollers in a one-to-one mode, the distance between the corresponding upper rollers and the lower rollers is gradually reduced, according to the copper-aluminum composite cast rolling machine, the upper rollers and the lower rollers drive the detection disc to rotate, and the balls bear centrifugal force and overcome the elastic force of the second springs to slide in the sliding grooves. And when the rotating speed of the detection disc is higher, the centrifugal force borne by the ball is larger, the force sensed by the centrifugal force sensing plate is larger, the corresponding water valve is controlled to introduce more cooling water into the water inlet pipe, the cooling water introduced into the upper roller and the lower roller with the smaller distance is larger, and excessive heat accumulation in the plate is prevented.
Owner:LUOYANG TAIMENG MASCH MFG CO LTD

Guide arm spring flat steel surface crack control process method

The invention relates to the technical field of guide arm spring flat steel, and discloses a guide arm spring flat steel surface crack control technological method.The guide arm spring flat steel surface crack control technological method comprises the following technological methods of S1, smelting technology optimization, S2, continuous casting technology control, S3, rolling technology optimization and S4, quality detection and feedback adjustment. In the smelting stage, through slag stopping and tapping, LF furnace long-time refining white slag making (the alkalinity is 5.0-7.0, and the white slag retention time is longer than or equal to 30 min) and vacuum deep degassing (the vacuum degree is smaller than or equal to 67 Pa, and the retention time is longer than or equal to 15 min), the content of gas (the hydrogen content is smaller than or equal to 1.5 ppm) and the content of inclusions in steel are remarkably reduced, component fluctuation in the later period is avoided through accurate use of a diffusion deoxidizing agent (the use amount is larger than or equal to 80 kg / furnace), a pure molten steel foundation is laid for the follow-up process, and the production cost is reduced. And crack inducements caused by inclusion and gas are reduced from the source.
Owner:HUNAN VALIN XIANGTAN IRON & STEEL CO LTD

Mold temperature control method, electronic equipment and storage medium

The invention discloses a die temperature control method, electronic equipment and a storage medium, and the method comprises the steps: obtaining an infrared image of a die-casting die and the real-time temperature data of an internal pre-buried thermocouple, fusing the infrared image and the thermocouple data, generating a three-dimensional correction temperature field containing the surface and internal temperature of the die, and storing the three-dimensional correction temperature field in the die-casting die; when the three-dimensional correction temperature field is abnormal, an adjustment value of a target adjustment parameter is output through a parameter prediction model, thermodynamic equation residual constraint is introduced into a loss function when the parameter prediction model is trained, the adjustment value is sent to a mold temperature control system to be executed, a new temperature field is collected in the next production cycle, and if the deviation between the new temperature field and the target temperature field exceeds a threshold value, the mold temperature control system is started. And if so, incrementally adjusting the parameters through a PID algorithm. By means of the die temperature control method, the die temperature of the die-casting model in the die-casting process can be controlled, and the speed and precision of die temperature control can be improved.
Owner:ZHANGJIAGANG CITY PIN JIE DIE MATERIALS

Universal cutting method for all-casting machine

The invention discloses a universal cutting method for an all-casting machine. The universal cutting method comprises the steps that the all-casting machine is controlled; the all-casting machine comprises pouring equipment, cutting equipment and steel billet transferring equipment. The control step comprises the steps of calculating the length of molten steel of the whole furnace of steel in the fan-shaped section and the total weight of the molten steel of the large ladle as the amount of the molten steel of the fan-shaped section by utilizing a large ladle molten steel casting signal and the stock change of the molten steel of the tundish; the real-time casting blank length, the steel casting length instantaneous values corresponding to the steel head and the blank tail and the steel casting length range, obtained in the step A, of the molten steel of each furnace in the fan-shaped section are matched with the continuous starting and ending positions of each steel blank; the billet circulation module simulates billet circulation by combining billet data with each roller way operation signal, and matches the group of slabs according to the molten steel number of the corresponding smelting furnace number. The problem that finished steel billets with quality problems cannot be effectively and accurately positioned to corresponding molten steel sources due to inconsistent information matching between the steel billets and the corresponding molten steel during steel drawing of existing steel plate square billets can be solved.
Owner:LIUZHOU IRON & STEEL

Methods and systems for optimising metal foil fabrication

PCT designated stage expiredWO2025111660A1Image enhancementImage analysisMetallurgyMetal foil
There is described herein a computer-implemented method for determining operating parameters of a planar flow caster in a metal foil fabrication process. The planar flow caster has a melt distribution receptacle through which a molten metal is extruded, and a cooling surface for cooling and solidifying the molten metal as the molten metal flows onto the cooling surface. The method includes capturing visual data of the melt distribution receptacle, molten metal and cooling surface of the planar flow caster during operation, and applying at least one machine learning model to the visual data to determine one or more operating parameters of the metal foil fabrication process.
Owner:COMMONWEALTH SCI & IND RES ORG

Melt stirring system with adjustable magnetic field intensity and control method

The invention discloses a magnetic field intensity adjustable melt stirring system and a control method, and relates to the technical field of metallurgical casting, the magnetic field intensity adjustable melt stirring system comprises a crystallizer having an inner wall and an outer wall, a cooling cavity being formed between the inner wall and the outer wall; the shielding cover is fixedly arranged outside the crystallizer in a sleeving mode, and the magnetic field coil single-layer units are arranged on the inner wall of the shielding cover. The magnetic field intensity adjusting unit is electrically connected with each magnetic field coil single-layer unit and is used for dynamically adjusting the amplitude, the frequency and the waveform of the input current; the solidification interface detection module is arranged on the side wall of the crystallizer and used for detecting the melt solidification interface position in real time; the control module is in signal connection with the solidification interface detection module and the magnetic field intensity adjusting unit. The gradient magnetic field is accurately matched with the melt solidification process, dendritic crystal crushing is accurately strengthened, a traditional rotating assembly is replaced, energy loss generated by bearing friction, mechanical damping, mechanical vibration and the like is eliminated, the mechanical structure is simplified, the electromagnetic efficiency is improved, invalid power supply is avoided, and energy consumption is reduced.
Owner:SHANGHAI XINGXIANG ELECTRIC CO LTD

Austenitic stainless steel casting in-situ microalloying modification method based on multi-field coupling and intelligent feedback

The invention provides an austenitic stainless steel casting in-situ microalloying modification method based on multi-field coupling and intelligent feedback. The austenitic stainless steel casting in-situ microalloying modification method comprises the following steps that S1, a casting mold is preset, and a machine learning model is deployed; s2, smelting and pouring a master alloy; s3, a microalloying agent is injected into the casting mold, and multi-field coupling treatment is conducted on molten steel; s4, casting microstructure evolution is predicted through a machine learning model, and injection parameters and multi-field coupling parameters of a microalloying agent are adjusted in real time; and S5, the solidified casting is subjected to solution treatment and aging treatment, and a final product is obtained. According to the invention, the microalloying process and the solidification process are synchronized, the multi-field coupling effect of a pulse electromagnetic field and an ultrasonic field is realized, and an intelligent feedback system driven by machine learning is introduced, so that the processing steps are provided, and a self-adaptive and self-optimized intelligent casting system is constructed; and a brand new technical path is provided for performance customization production of high-end castings.
Owner:TAIZHOU HUAFENG PRECISION CASTING CO LTD

Aluminum alloy die-casting device

The invention discloses an aluminum alloy die-casting device and relates to the technical field of aluminum alloy die-casting, the aluminum alloy die-casting device comprises a supporting frame, linear motors are fixedly connected to the left end and the right end of the upper portion of the supporting frame, telescopic air cylinders are fixedly connected to the output ends of the linear motors, and electric clamping jaws are fixedly connected to the output ends of the telescopic air cylinders; a casting mold is arranged in the electric clamping jaw, a mold cavity is formed in the casting mold, a condensation channel is additionally formed in the casting mold, a round barrel is arranged below the casting mold, a crucible is arranged in the round barrel, a cover plate is arranged above the round barrel, the cover plate is in threaded connection with the round barrel, a liquid inlet pipe is arranged below the casting mold, and a liquid outlet pipe is arranged below the liquid inlet pipe. The liquid inlet pipe penetrates through the cover plate and is fixedly connected with the cover plate, a plurality of air inlets are additionally formed in the cover plate, the air inlets are communicated with an air pump through pipelines, the air pump is fixedly connected to the cover plate, and a control machine is arranged on one side of the supporting frame.
Owner:JIANGSU RUIZHEN DIE CASTING CO LTD