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818results about "Casting parameters measurement/indication devices" patented technology

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

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

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

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

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

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

Crystallizer slag entrapment detection method, medium and equipment

The invention discloses a crystallizer slag entrapment detection method, a medium and equipment. The crystallizer comprises a copper plate, the copper plate comprises two narrow faces which are oppositely arranged, a plurality of thermocouples are arranged on each narrow face in the height direction of the copper plate at intervals, and every two thermocouples which are oppositely arranged on the two narrow faces form a thermocouple set. Acquiring a detection temperature deviation value of the two thermocouples of at least one thermocouple group; and if the at least one detection temperature deviation value is larger than or equal to a preset temperature deviation threshold value, and the duration when the at least one detection temperature deviation value is larger than or equal to the temperature deviation threshold value is larger than or equal to a preset duration, it is determined that the risk that the casting blank entraps slag exists in the steel plate. The detection accuracy of the slag entrapment of the casting blank can be improved, and the detection cost is low.
Owner:SHOUGANG GROUP CO LTD

Aluminum processing deep well casting molten aluminum leakage identification and early warning system and method

The invention relates to the technical field of aluminum processing production safety, and provides an aluminum processing deep well casting molten aluminum leakage identification and early warning system and method.The system comprises a leakage identification subsystem, a linkage circuit is formed by arranging special aluminum wires at an outlet of a crystallizer, and instant leakage alarm and leakage point positioning are achieved; the leakage rate judgment subsystem is used for judging the leakage rate of the molten aluminum; and the control terminal is used for simultaneously receiving and processing the information of the leakage identification subsystem and the leakage rate judgment subsystem and giving an emergency processing instruction. Through double-judgment cross validation of aluminum conductor leakage triggering and temperature sensing data, the molten aluminum leakage judgment accuracy is remarkably improved, the method can stably adapt to the high-temperature, humid and high-noise environment of deep well casting, early warning lag and positioning fuzziness are effectively eradicated, the risk of explosion accidents caused when molten aluminum encounters water is practically reduced, and the service life of the molten aluminum is prolonged. And reliable support is provided for deep well casting intrinsic safety.
Owner:UNIV OF SCI & TECH BEIJING +1

Die casting device for nonferrous metal production

The invention relates to the technical field of non-ferrous metal die-casting, and discloses a die-casting device for non-ferrous metal production, which comprises a die-casting machine table, an injection mechanism is arranged on the side surface of the die-casting machine table, and a die closing mechanism is fixedly connected to the side surface, far away from the injection mechanism, of the top end of the die-casting machine table; the side face, close to the injection mechanism, of the die closing mechanism is movably connected with a die-casting movable die, the side face, away from the die closing mechanism, of the die-casting movable die is provided with a die-casting fixed die, a detection injection mechanism is arranged above the die-casting movable die and the die-casting fixed die, and the side face of the die-casting movable die is provided with an absorption mechanism. Before die casting, the moving plate drives the spray head to move into the die cavity of the die casting movable die and the injection mechanism, the spray head makes contact with the interior of the die cavity, so that the spray head drives the limiting shaft to move towards the moving plate through the release agent pipeline, at the moment, the spray head makes contact with the pressure sensor and compresses the pressure sensor, and the structure of the die cavity can be known according to the pressure value of the pressure sensor.
Owner:NANTONG WEICHUANG MACHINERY FITTINGS MFG

Method and system for preparing bimetallic composite material based on metal droplet size regulation and control

The invention discloses a bimetallic composite material preparation method and system based on metal droplet size regulation and control, and belongs to the technical field of centrifugal casting. According to the method, aiming at a bimetal system with a liquid-liquid mixing and dissolving gap, an alloy melt is smelted according to a preset proportion, and then precise control over the size of second metal phase liquid drops is achieved in a casting ladle by regulating and controlling the standing time in combination with a high-temperature and high-speed camera shooting system. Then relevant casting parameters are input into an autonomously derived liquid drop movement speed and trajectory prediction model, the liquid drop position is predicted, and finally the centrifugal rotating speed or the heating power is adjusted through feedback control according to the deviation between a prediction result and a preset trajectory, so that directional preparation of different structures of the bimetal composite material is achieved. The corresponding system comprises a monitoring module, a calculation module and an execution module which cooperatively complete parameter monitoring, calculation analysis and precise regulation and control in the material preparation process. The casting inclusion defect can be reduced, the product quality instability is reduced, and directional preparation of different structures of the bimetal composite material is achieved.
Owner:INSTITUTE OF MATERIALS & INTELLIGENT MANUFACTURING JIANGXI ACADEMY OF SCIENCES +1

Preparation method of aluminum-iron alloy based on recycled waste

The invention discloses a preparation method of an aluminum-iron alloy based on recycled waste. The method comprises the steps that S1, regenerated waste aluminum, regenerated waste iron and a grain refiner are put into a rotary furnace to be treated; s2, the pretreated raw materials are put into an alloying furnace to be refined; s3, the molten aluminum-iron alloy refined through the alloying furnace is cast into an alloy ingot with the required specification through casting equipment, the temperature of the molten alloy is monitored in real time through a temperature sensor in the casting process, and it is ensured that the temperature is stabilized at 740-750 DEG C; and S4, a robot is adopted for automatic unloading, high-temperature stacking and packaging. The duplex process of rotary furnace pretreatment and alloy furnace gradient refining is adopted, and industrial verification shows that the fluctuation range of the alloy component content in the prepared aluminum-iron alloy is decreased, and the Fe content is controlled to be + / -0.8%; the elongation of the product is improved by 12%; the yield of the iron element is increased to 94.5%, and the energy consumption is reduced to 680kWh / ton; the cost is greatly reduced, the cost per ton is reduced by 1350 yuan, and the use ratio of the regenerated material is 97%; and the production period is shortened to 4.2 hours per furnace.
Owner:HENAN MINGTAI AL INDUSTRIAL CO LTD

Metallurgy mixing furnace with water-cooling casting function

The invention discloses a metallurgical holding furnace with a water-cooling casting function, and relates to the technical field of metallurgical holding furnaces, the metallurgical holding furnace comprises a box body and a cooling casting unit; a shell is arranged on the top surface of the box body, a furnace body is fixed in the shell, the bottom end of the furnace body is conical, a discharge hole in the bottom end of the furnace body is connected with the top end of a control valve, a box frame is fixed on the right side in the box body, a liquid supplementing pipe is fixedly communicated with the top surface of the furnace body, and a material mixing unit is arranged in the furnace body; according to the metallurgical holding furnace with the water-cooling casting function, cooling threaded grooves are matched with continuously-circulating cooling liquid to cool, cast and mold molten metal in the crystallizer, the cooling liquid sprayed out of an annular spray pipe is atomized through an atomization spray head and then sprayed to the surface of a casting, and therefore secondary cooling treatment is conducted; and meanwhile, the whole device adopts automatic metallurgical casting to reduce the safety problem easily caused by manual operation.
Owner:禾浦(苏州)新材料科技有限公司

Die casting equipment for high-toughness light-weight automobile aluminum alloy accessories

The invention belongs to the technical field of die-casting equipment, and discloses die-casting equipment for high-toughness light-weight automobile aluminum alloy accessories, which comprises a base, a prompting mechanism and a die-casting mechanism, a lower die is fixedly connected to the outer wall of the base, an upper die is arranged on the outer wall of the base through an air cylinder, and a water tank is fixedly connected to the outer wall of the top end of the base. The water tank is arranged in the top inner wall of the water tank; the cooling mechanism is mounted on the outer wall of the base; the spray head is arranged on the outer wall of the cooling mechanism through a connecting mechanism; wherein the prompting mechanism comprises a liquid storage box, and the outer wall of the liquid storage box is fixedly connected with an abutting block; through cooperation of the abutting block, the square block and other structures, when cooling liquid in the liquid storage box is insufficient, the volute spiral spring drives the rotating shaft and the rotating plate to turn over, the rotating plate can strikingly remind an operator that the cooling liquid is insufficient and needs to be added, and the problem that the cooling effect is affected due to the fact that the operator cannot find that the cooling liquid is insufficient in time is solved.
Owner:HEFEI UNIV OF TECH

Early acoustic emission diagnosis and laser cladding repair method for thermal fatigue cracks in die service process

The invention relates to the technical field of metal material surface engineering and equipment remanufacturing, in particular to an early acoustic emission diagnosis and laser cladding repair method for thermal fatigue cracks in a mold service process, which comprises the following steps: S1, synchronously acquiring and preprocessing multi-source heterogeneous data; stress wave signals are collected in real time through a broadband acoustic emission sensor array permanently integrated on the surface of a mold cavity, the frequency response range of the sensor is 100 kHz to 1 MHz, and the sensitivity is not lower than 95 dB. According to the method, accurate identification and positioning can be realized at the initial stage of crack initiation through multi-modal sensing fusion and a deep learning algorithm, the diagnosis accuracy is remarkably higher than that of a traditional offline detection method, and precious time is won for subsequent repair.
Owner:XIANGXIN TECH (GUANGZHOU) CO LTD

Long nozzle fiber gasket and continuous casting protective pouring method applying same

The invention belongs to the technical field of metallurgy, and discloses a long nozzle fiber gasket and a continuous casting protective pouring method applying the same. The long nozzle fiber gasket comprises a gasket body and a protruding part integrally formed on the upper edge of the gasket body, and the protruding part is of a long-strip-shaped arc-shaped structure. The arc-shaped face of the protruding part is constructed to be attached to the outer contour of the lower edge of the steel ladle collector nozzle so that the guiding and supporting effects can be achieved. The color structure of the protruding part is different from the color of the steel ladle collector nozzle, so that visual guidance is formed, the outer contour of the lower edge of the steel ladle collector nozzle is guided to slide in and be centered along the arc-shaped face of the protruding part during installation, and finally the upper edge of the gasket body and the lower edge of the steel ladle collector nozzle are accurately centered and sealed. According to the long nozzle fiber gasket and the continuous casting protective pouring method applying the same, the precise mounting level of the long nozzle can be improved, the problems that a traditional method depends on experience and is low in efficiency are solved, and the protective pouring effect and the production efficiency are remarkably improved.
Owner:SHANXI TAIGANG STAINLESS STEEL CO LTD

High-strength and high-toughness heat-treatment-free die-casting aluminum alloy, structural part and preparation method

The invention belongs to the technical field of aluminum alloy die-casting, and particularly relates to a high-strength and high-toughness heat-treatment-free die-casting aluminum alloy, a structural part and a preparation method. According to the high-strength and high-toughness heat-treatment-free die-casting aluminum alloy provided by the invention, the limitation that a traditional heat-treatment-free die-casting aluminum alloy is low in Fe element tolerance and the limitation that a traditional high-Fe-content aluminum alloy is insufficient in toughness are broken through by designing an element composition system and multi-strategy cooperative regulation and control of the high-strength and high-toughness heat-treatment-free die-casting aluminum alloy. And by adopting a Ca-Sr composite modification strategy and a Cr-Mn cooperative regulation strategy, the Fe content tolerance is expanded to 0.5 wt%-1.6 wt%, and meanwhile, the recycling rate of waste materials of the die-casting aluminum alloy is high. Based on the synergistic strengthening effect of all elements in the components, the tensile strength and ductility of the high-Fe-content die-casting aluminum alloy can be synergistically improved without heat treatment, the heat-treatment-free die-casting aluminum alloy with high tensile strength and high toughness is obtained, and the heat-treatment-free die-casting aluminum alloy is suitable for preparing deep-cavity shell type, multi-fin heat dissipation type and other complex structural parts.
Owner:HUNAN UNIV +1

Gravity casting system

The invention relates to a gravity casting system, and relates to the technical field of gravity casting, the gravity casting system comprises a control system, a filling device and a rotating disc, a plurality of gravity casting machines are arranged on the rotating disc, the rotating disc is used for driving the gravity casting machines to rotate to the filling device, and the filling device is used for filling the gravity casting machines; the control system comprises a control module and an execution module, the execution module is arranged on the rotating disc and used for controlling the gravity casting machines to work, the control module is arranged outside the rotating disc, and the control module and the execution module communicate through wireless signals. The method has the advantage that the large risk borne by operators can be reduced.
Owner:JIANGSU YIFAN INTELLIGENT EQUIP CO LTD +1

Pouring temperature adjusting method and system combined with multi-dimensional sensor

The invention discloses a pouring temperature adjusting method and system combined with a multi-dimensional sensor, and relates to the technical field of pouring temperature control. The method comprises the following steps: performing temperature control key anchor point analysis based on a historical casting quality detection record set to obtain a temperature control abnormal anchor point set; obtaining an infrared sensor array and a thermocouple temperature sensor array; performing pouring temperature time sequence acquisition according to a preset monitoring frequency to obtain an infrared monitoring temperature value sequence array and a thermocouple monitoring temperature value sequence array; performing double analysis on temperature distribution uniformity and temperature fluctuation, and determining a temperature regulation and control scheme; and the pouring temperature of the target thin-wall automobile casting is dynamically regulated and controlled based on the temperature regulation and control scheme. The technical problem that in the prior art, the casting quality is unstable due to the fact that the pouring temperature of a thin-wall automobile casting is not accurately regulated and controlled is solved, accurate pouring temperature regulation and control are achieved through multi-sensor cooperative monitoring and temperature control key anchor point dynamic adjustment, and the technical effect of improving the casting quality stability is achieved.
Owner:NANTONG CHENGKE PRECISION DIECASTING CO LTD

Gray cast iron preparation optimization method based on silicon-carbon coordinated regulation and control

The invention relates to the technical field of ferrous metal casting, in particular to a gray cast iron preparation optimization method based on silicon-carbon coordinated regulation, which comprises the following steps: calculating a wall thickness sensitivity coefficient of a casting based on a target size of the casting so as to determine an actual silicon-carbon ratio of the casting; the method comprises the following steps: adding a synthetic cast iron raw material into an electric furnace for melting, adjusting the components to the actual silicon-carbon ratio to obtain molten iron, raising the temperature of the molten iron to 1500-1550 DEG C, standing for 3-5 minutes, determining inoculation parameter adjustment data according to the maximum temperature deviation and the actual silicon-carbon ratio in the standing process, pouring the molten iron into a preheated molten iron treatment ladle, and carrying out heat preservation for 3-5 minutes. Adding a silicon carbide inoculant before molten iron is discharged from the furnace; the silicon-barium inoculant is added for the first time after the molten iron is discharged into a molten iron treatment ladle; and the molten iron is poured into a pouring ladle for pouring forming, the silicon-barium nucleating agent is added for the second time along with flow when the molten iron is poured into a sand mold, and the gray cast iron is obtained after forming. The mechanical property and hardness uniformity of the gray cast iron are improved.
Owner:FUXIN LIDA STEEL CASTING

Casting size automatic detection system

The invention relates to the technical field of casting size detection, in particular to an automatic casting size detection system. According to the invention, through cooperation of the multi-stage image acquisition module and the acquisition control analysis module, the image acquisition resolution is dynamically adjusted according to the comprehensive abnormal value; when the abnormal condition is small, low-resolution acquisition is adopted, the data processing amount is reduced, and the detection speed is increased; when abnormal conditions are aggravated, the resolution is improved, and the detection precision is ensured, so that the detection precision and the production line efficiency are balanced, and the productivity loss caused by high-resolution acquisition is avoided; production process data and equipment state data are fused through the acquisition control analysis module, a comprehensive abnormal value is calculated through multi-source data weighted fusion, a corresponding acquisition control instruction is generated, full-link abnormities of production can be monitored in real time, potential problems can be pre-warned in advance, the detection accuracy is improved, the system operation stability is optimized, and the product quality is improved. And the false detection rate caused by equipment or process abnormity is reduced.
Owner:DONGFENG PRECISION CASTING CO LTD

Lithium battery pack support manufacturing mold

The invention discloses a lithium battery pack support manufacturing mold, and relates to the technical field of industrial manufacturing, the lithium battery pack support manufacturing mold comprises a mold main body, a demolding mechanism and a cleaning mechanism, the demolding mechanism is arranged at the bottom of the mold main body, and the cleaning mechanism is arranged at the bottom of the mold main body; the demolding mechanism comprises an air nozzle, a first pressure sensor and a limiting mold baffle plate, the air nozzle is arranged on the outer side of the first pressure sensor, the first pressure sensor is arranged at the bottom of the limiting mold baffle plate, and the limiting mold baffle plate is used for isolating the first pressure sensor from high temperature; therefore, the problems that when the lithium battery pack support is made of a special material and is oxidized and stuck to a mold, due to the special structure of the lithium battery pack support, the friction force of a model part is large, the clamping is generated, and deformation and microcracks are caused during demolding are solved, the output of defective products is avoided, and the production cost is reduced.
Owner:JIANGSU SUNPOWER

Aluminum alloy casting machine crystallizer aluminum leakage monitoring system adopting sensing optical fibers

An aluminum alloy casting machine crystallizer aluminum leakage monitoring system adopting sensing optical fibers is characterized in that a temperature measuring ring is fixedly arranged at the lower part of each crystallizer, each temperature measuring ring is provided with a sensing optical fiber, and one end of each sensing optical fiber is connected with a temperature detection system; in the aluminum alloy deep well casting production process, the surface of a cast aluminum ingot radiates infrared rays to enable the temperature of the sensing optical fiber or the temperature measuring ring to rise, and accurate detection of the temperature of the outer surface of each aluminum ingot is achieved; before an aluminum leakage accident of the aluminum ingot occurs, the distance between the semi-solid high-temperature molten aluminum in the aluminum ingot and the surface of the aluminum ingot is reduced, and the surface temperature of the aluminum ingot is increased, so that the temperature of the sensing optical fiber or the temperature measuring ring is increased; when the sensing optical fiber detects that the temperature abnormally rises, it is judged that the aluminum ingot may have an aluminum leakage accident, and at the moment, measures are taken to enable the semi-solid area in the aluminum ingot to recover to the normal state again, so that the aluminum leakage accident is avoided; the utility model has the advantages of simple structure, few sensors, low cost, high reliability and simple maintenance.
Owner:CHINA NON-FERROUS METALS PROCESSING TECH CO LTD