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605results about "Casting safety devices" patented technology

Magnesium alloy heterogeneous flow integral coordination pouring process

The invention relates to the technical field of alloy pouring processes, in particular to a magnesium alloy heterogeneous flow overall coordination pouring process which comprises the steps of conducting pouring numerical simulation through simulation software, optimizing pouring design and determining a composite flow guide structure, a mold temperature control scheme and an alloy component regulation and control strategy. Magnesium alloy smelting and refining are conducted; preheating the mold by using an intelligent temperature control system; during the period, the intelligent temperature control system monitors and adjusts the temperature of the mold, and the online alloy adding system and the impurity adsorption filtering device keep the components of the melt uniform and pure; and after pouring is completed, controlling the mold temperature according to a preset cooling curve to slowly and uniformly solidify the melt. The design of the bionic branch-shaped flow dividing structure, the dynamic adjustable flow guide plate and the like reduces casting defects, and the casting forming quality is improved. And on-line alloy adding and impurity adsorption filtering ensure that melt components are stable, and the casting performance is improved.
Owner:巢湖宜安云海科技有限公司

Reconfigurable casting process module hierarchical control method

The invention discloses a reconfigurable casting process module hierarchical control method, which comprises the following steps of: firstly, acquiring a multi-source sensor data stream generated in a casting task execution process, the data comprising key process parameters such as temperature, pressure, flow velocity and the like; based on this data stream, an initial condition feature set for characterizing the dynamic condition is determined. And then, carrying out segmented working condition optimization processing on the feature set by utilizing a hierarchical decoupling regulation model, and obtaining an optimized working condition feature set through system coupling dissociation and random disturbance stripping. And finally, performing feature reconstruction processing on the optimization feature set, and generating an optimization control instruction accurately matched with the current casting process to adjust the pouring speed, the cooling rate or the pressure parameter in real time, thereby realizing closed-loop optimization control of the casting process. According to the method, the control precision and the process stability under complex working conditions are effectively improved.
Owner:QIYANG FENGDA MACHINE & ELECTRIC

Intelligent cooling system for rapidly cooling casting

The invention discloses an intelligent cooling system for rapidly cooling a casting, and relates to the technical field of casting cooling. An intelligent cooling system for rapidly cooling a casting comprises a geometric perception module, a cooling template module, a cooling execution module, a dynamic regulation and control module, a resource circulation module, a cooling template iteration module and a data precipitation module. According to the method, the geometrical characteristics of the casting are accurately sensed, heat conduction and heat dissipation function modeling are combined, an initial cooling template is established, and the pertinence and scientificity of a cooling strategy are improved; three cooling units of air cooling, spray cooling and liquid cooling are arranged, differentiated regulation and control are carried out based on a heat dissipation distribution diagram of a space partition, and accurate cooling control over multiple areas of a complex casting is achieved.
Owner:HUNAN HECHUANG MASCH CASTING CO LTD

Automatic control system and method for vertical parting casting of casting without sand box

The invention relates to the technical field of casting automation control, and discloses a sand-box-free vertical parting casting casting automation control system and method. A data acquisition module of the system obtains casting process parameters such as a casting actual temperature value, a casting mold pressure value, a molten metal flow rate value and a parting surface state value; the dynamic modeling module constructs a casting field variable matrix based on the parameters and outputs dynamic casting correction parameters; the stability evaluation module calculates an actual casting resistance value by using the dynamic casting correction parameters, and generates a casting flow deviation index in combination with a preset target casting resistance value and an actual molten metal flow rate; and the closed-loop compensation module executes a double-channel compensation strategy according to the casting flow deviation index, outputs a pressure compensation value and a flow speed compensation value to compensate an actual casting resistance value, and feeds back a compensated result to the dynamic modeling module to realize dynamic adjustment. According to the system, through multi-module cooperation and closed-loop control, precise dynamic control over the casting process is achieved, and the quality stability of castings is improved.
Owner:HUBEI TAIKE FRICTION MATERIAL CO LTD

Nickel-based single-crystal high-temperature alloy with high structure stability and preparation method thereof

The invention discloses a nickel-based single-crystal high-temperature alloy with high structure stability and a preparation method thereof, and relates to the technical field of high-temperature alloys. The nickel-based single crystal high-temperature alloy provided by the invention is prepared from the following components in percentage by mass: 5 to 7 percent of Al, 7.5 to 10 percent of Co, 5 to 7 percent of Cr, 0.1 to 0.2 percent of Hf, 0 to 2 percent of Mo, 5.5 to 7.5 percent of Ta, 0 to 1 percent of Ti, 8 to 10 percent of W, 0.02 to 0.05 percent of C, 0.003 to 0.005 percent of B and the balance of Ni. According to the invention, by controlling the ratio of elements and avoiding the addition of Re, the precipitation temperature of a harmful TCP phase is obviously reduced to about 840 DEG C on the basis of maintaining a sufficient solid solution strengthening effect, and the long-term stability of the structure is greatly improved. The high-temperature mechanical property of the alloy provided by the invention reaches the level equivalent to that of a traditional Re-containing second-generation single-crystal alloy and is remarkably superior to that of foreign Re-free single-crystal alloys MD2 and Rene N500, and the nickel-based single-crystal high-temperature alloy with high structure stability successfully realizes the unification of low cost and high performance, and is suitable for industrial production. And a reliable material solution is provided for manufacturing the heavy-duty gas turbine blade with higher market competitiveness.
Owner:CHINA UNITED GAS TURBINE TECH CO LTD

Large high-temperature alloy blank casting method capable of controlling casting size

The invention relates to a large-scale high-temperature alloy blank casting method capable of controlling the casting size, and belongs to the technical field of high-temperature alloy casting. Measuring a temperature curve of the sand mold after the high-temperature alloy is poured; a process model is created, simulation software is used for carrying out stress deformation simulation, a part model of the casting is created, the simulation result of the part model and the simulation result of the process model are compared, the reduced scale, correction and the machining amount are adjusted in real time, and the process model is obtained; manufacturing a process pattern according to the process model, and producing a sand mold by utilizing the process pattern; creating a sand core model, inputting sand mold temperature curve parameters into simulation software, carrying out sand core deformation stress simulation, measuring sand core deformation stress, and manufacturing a core box according to the sand core model; a core bar is manufactured according to the design, the manufactured core bar is placed in a core box, and a sand core is manufactured; demolding the sand core; combining the sand core with the sand mold to obtain a casting cavity; and molten steel is poured into a casting cavity, and a casting blank is formed after cooling and solidification.
Owner:CHINA ERZHONG GRP DEYANG HEAVY IND

Titanium alloy component preparation method and device and diversion pipe radius confirmation method

The invention relates to a titanium alloy component preparation method and device and a flow guide pipe radius confirmation method, and relates to the technical field of negative pressure suction casting. The titanium alloy component preparation method comprises the steps that raw materials are smelted in stages based on the preset smelting power P1 of the raw materials till the heating temperature reaches the preset pouring temperature T, carrying out heat preservation on the smelted raw materials; based on the smelting power P2 of the blocking piece, the blocking piece is smelted in a staged mode till the blocking piece is completely smelted within a preset time period; and negative pressure is applied to a mold, and negative pressure mold filling is conducted on the mold through the molten blocking piece material and the molten raw materials. By adopting the technical scheme, the technical problems of long mold filling time and serious heat loss existing in an existing casting mode of combining smelting and crucible tilting weighting can be solved.
Owner:BEIJING INST OF TECH TANGSHAN RES INST

Preparation control optimization method of metal ytterbium target for OLED display screen

The invention discloses a preparation control optimization method of a metal ytterbium target for an OLED (Organic Light Emitting Diode) display screen. The method comprises the following steps: acquiring impurity spectrum scanning data of a metal ytterbium raw material, analyzing impurity distribution characteristics and determining a melting control temperature; after a cast ingot is formed, the internal pore distribution condition is obtained, a pore density gradient field is constructed, a forging and pressing path planning vector is generated, and precise forging and pressing path design is achieved; in the forging and pressing process, forging and pressing vibration data and displacement data are collected in real time, the influence of vibration on cast ingot position deviation is analyzed, then vibration deviation correction is conducted on a forging and pressing path, and an optimized path plan is formed. And by iteratively optimizing the forging and pressing path, the density of the cast ingot is gradually improved and meets the preset requirement. The method effectively solves the problems of difficult impurity control, non-uniform pore distribution, forging and pressing deviation and the like in the preparation process of the metal ytterbium target material, and the purity and compactness of the target material are remarkably improved.
Owner:SUZHOU XINHANYUAN SEMICONDUCTOR MATERIALS CO LTD

Method for improving homogeneity of casting in all directions based on resonance pouring

The invention relates to the technical field of resonant pouring castings, in particular to a method for improving the homogeneity of castings in all directions based on resonant pouring, which comprises the following steps: preparing a mold / casting mold, setting resonant parameters, pouring molten metal, maintaining resonance and solidifying, and detecting the homogeneity. Through the resonance effect, molten metal mold filling is uniform, the size qualification rate is increased, meanwhile, grain refinement can be promoted, the isotropic performance uniformity and stability of a casting are remarkably improved, the internal defect rate is greatly reduced, the comprehensive yield is increased, and energy consumption and cost are reduced.
Owner:GUANGXI TECHCAL COLLEGE OF MACHINERY & ELECTRICITY

Device and method for preparing titanium hydrogen storage alloy for solid hydrogen storage

The invention discloses a preparation device of a titanium hydrogen storage alloy for solid hydrogen storage, which comprises a vacuum induction melting system and an ultrasonic generation system, the vacuum induction melting system comprises a vacuum chamber, a melting mechanism and a heatable mold which are arranged in the vacuum chamber, and a vacuum pump communicated with the vacuum chamber; the ultrasonic generation system comprises an ultrasonic generator, an amplitude-change pole and an ultrasonic probe which are connected in sequence, one end of the ultrasonic probe extends into the vacuum chamber, and a mobile positioning system for controlling the position of the ultrasonic probe is arranged on the vacuum induction melting system; the invention further discloses a preparation method of the titanium hydrogen storage alloy for solid hydrogen storage. According to the device, the ultrasonic generation system is arranged, ultrasonic waves are applied in the raw material smelting process, segregation of the Ti element is effectively restrained, meanwhile, dendritic crystal arms are broken in the alloy solidification process, more nucleation sites are formed to refine grains, and the device is suitable for preparing the titanium hydrogen storage alloy for solid hydrogen storage.
Owner:XIAN RARE METAL MATERIALS RES INST CO LTD

Fine distinguishing method for refining capacity of grain refiner

The invention discloses a fine distinguishing method for the refining capacity of a grain refiner, and relates to the technical field of grain refiner preparation.The fine distinguishing method for the refining capacity of the grain refiner comprises the following steps that S1, a certain mass of aluminum, titanium and boron is dissolved in molten aluminum, stirred for 30 s and stood for 60 s, then a specific square mold is used for sampling, and the adding amount of aluminum, titanium and boron should be 0.1%; s2, after aluminum, titanium and boron are dissolved, a ceramic foam filter is added to filter molten aluminum, undissolved titanium and boron clusters and oxide inclusions are removed, and the purity of a melt is ensured; s3, a square mold with the inner wall sprayed with a boron nitride coating (smaller than or equal to 50 microns) is used and preheated to 200 DEG C, molten aluminum is injected after moisture is removed, adhesion is avoided, and demolding integrity is improved; according to the fine distinguishing method for the refining capacity of the grain refiner, a traditional conical mold is modified into a common square mold, so that machining is more convenient, meanwhile, errors are reduced, experimental raw materials are saved, and the experimental time is shortened.
Owner:AMC ALUMINUM (CHINA) CO LTD

Controllable cooling clean room

The invention relates to the technical field of metal casting, and particularly discloses an adjustable and controllable cooling clean room which comprises a roller conveying main body, a clean room main body, and a displacement mechanism, a blowing mechanism, a temperature control system and the like which are integrated in the clean room main body. According to the working principle, after being fed into a chamber through a connecting rod type air bag sealing door, a mold is accurately positioned by a displacement mechanism synchronously driven by multiple rollers; the two groups of multi-degree-of-freedom blowing mechanisms are used for spraying uniform cooling airflow to the surface of the metal casting mold by adjusting the angle and the position of a spray head through four spatial axes; the movable dust removal vehicle sucks and removes falling dust in real time, the sensor and the temperature control body are linked to adjust environmental parameters, and waste gas is purified through cooperation of the three-stage filter and the exhaust fan. Through clamping-free conveying, directional dynamic cooling and closed-loop cleaning management, the problems of mold scratching, non-uniform cooling and dust pollution in the traditional technology are systematically solved, and the cooling efficiency and the product yield of the cooling clean room are improved to a certain extent.
Owner:JIANGSU JIESHUN ELECTROMECHANICAL EQUIP CO LTD +1

System for automatically adding casting spheroidizing process materials

The invention discloses a system for automatically adding casting spheroidizing process materials, which belongs to the technical field of metal casting and comprises an initial data acquisition module for acquiring initial state parameters of to-be-processed molten iron; the target instruction generation module generates a nodulizer total theoretical mass and a reference feeding instruction; the process monitoring module executes the reference feeding instruction to obtain a reaction process characteristic signal; the process correction module compares the reaction process characteristic signal with a reaction intensity target interval to generate a reaction state deviation correction reference feeding instruction; and the process monitoring module executes the corrected reference feeding instruction until the accumulated mass of the added spheroidizing agent reaches the total theoretical mass of the spheroidizing agent. The acousto-optic characteristics of the spheroidizing reaction process are monitored in real time and compared with the preset target interval, then the deviation degree is generated to correct the pulse feeding instruction in a closed-loop mode, self-adaptive accurate control over the spheroidizing process can be achieved, the reaction stability and the finished product quality are remarkably improved, and material consumption is reduced.
Owner:HUNAN HUAZHONG SHARING INTELLIGENT CONTROL TECH CO LTD

Computer-implemented determination and qualification of material compositions

A computer-implemented method of determining a material composition for manufacturing a product (500) is described. The method comprises receiving, at a computing device (100), one or more specification parameters (122) indicative of at least one of a material property, a manufacturing process for manufacturing the product, and a product property; determining one or more material composition recommendations for the material composition based on the received one or more specification parameters; and computing, for each material composition recommendation, one or more expected properties indicative of at least one of an expected material property of the respective material composition recommendation and an expected product property of the product manufactured from the respective material composition recommendation. The method further comprises computing, based on evaluating the one or more expected properties computed for each material composition recommendation against the received one or more specification parameter (122), a suitability measure indicative of a degree of suitability to manufacture the product (500) from the respective material composition recommendation.
Owner:FEHRMANN MATERIALS X GMBH

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

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

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

Aluminum manufacturing process with retroaction loop

An AI system is adapted to receive at least one parameter to be optimized for an article or its production. The AI system processes the to-be-optimized parameter and generates an operating condition for a first phase of production. The AI system processes the operating condition, and generates an AI operating parameter for processing the aluminum. The production equipment associated with the first phase processes the aluminum accordingly, wherein there is an operating parameter for obtaining aluminum having an optimized quality characteristic at the end of the first phase, and wherein having the production equipment performing the AI parameter generates a deviation. Through the deviations over the different phases, the general production is prioritized over the phases of productions.
Owner:STAS

Dry sand negative pressure molding process for lost foam

The invention relates to the technical field of full mold casting, and provides an evanescent mode dry sand negative pressure molding process, EPS particles are doped with nanometer silane modified silicon dioxide with the mass percentage being 0.5% of that of the EPS particles, so that the strength of a foam model is improved by 20%, the heat deformation temperature is increased to 80 DEG C, and deformation in the molding and pouring process is reduced. The coating of the bottom layer of the model adopts 20% of bauxite and 5% of carbon fibers to be matched with a water-based binder, so that the air permeability is enhanced, and the coating of the surface layer of the model adopts 60% of emery and 10% of silica powder to be matched with a water-based binder, so that the fire resistance is improved. Pre-jolt ramming and main jolt ramming are carried out after sand filling, so that the compactness uniformity of dry sand is improved to 95% or above; sealing is carried out, main vacuumizing and auxiliary vacuumizing are carried out, the vacuum degree sealing performance during pouring is guaranteed, then pouring forming is carried out, and the vacuum degree is monitored in the pouring process, so that the stability of the vacuum degree in the pouring process is guaranteed; and finally cooling and releasing negative pressure to obtain the casting.
Owner:WUHU RUYHOO CASTING

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

Fusible plug manufacturing equipment

The invention provides fusible plug manufacturing equipment, and relates to the technical field of fusible plug manufacturing. The fusible plug manufacturing equipment comprises a box body provided with a containing cavity and a workbench, and the workbench is provided with a casting platform; the heating assembly is arranged in the containing cavity and located under the casting platform, and the heating assembly is used for heating the casting platform; the cooling assembly is arranged in the containing cavity and comprises a cooling plate and a cooling channel arranged in the cooling plate, the cooling plate is located between the casting platform and the heating assembly, and the cooling assembly can transfer heat generated by the heating assembly to the casting platform; the control assembly is arranged in the box body and used for controlling starting and stopping of the heating assembly and the cooling assembly. And the production efficiency of the fusible plug can be improved.
Owner:长沙鑫航机轮刹车有限公司

Container ship valve body casting device with intelligent temperature control function

The application discloses a container ship valve body casting device with intelligent temperature control function and relates to the technical field of valve body casting devices. The container ship valve body casting device comprises a support, an electric sling, a moving beam, a pouring bag, a pouring table, a sliding frame and a hot-driven double-trip isolation curtain. The first and second limiters are alternately matched, so that the driving head reciprocates between the initial end and the end of the curved groove, and the cooling device is automatically started and stopped according to the pressure sensor signal, thereby realizing double-trip scraping of the isolation bevel and continuous collection of metal particles. The splashed metal liquid forms an oxide film in the air, the rough surface of the isolation bevel is bitten by the oxide film through surface depression, so that the splashed metal liquid can reliably adhere to the isolation bevel, thereby effectively reducing the risk of continuous splashing and diffusion. Part of the metal liquid adhering to the isolation bevel rolls downward along the bevel under the action of gravity and finally enters the collection groove, thereby realizing effective guidance and centralized collection of the splashed metal liquid.
Owner:TAIZHOU SANFU SHIP ENG CO LTD

High-temperature alloy turbine blade directional solidification method based on multistage dynamic gas protection control

The invention discloses a high-temperature alloy turbine blade directional solidification method based on multistage dynamic gas protection control. The high-temperature alloy turbine blade directional solidification method comprises the following steps that a high-temperature alloy mother alloy material is put into a crucible; filling inert gas to a preset pressure, heating the crucible, heating to a preset temperature, and keeping the temperature to ensure that the alloy liquid is liquefied; continuously filling inert gas to preset pressure and then refining, wherein a vibration generator generates a magnetic field in the refining process to carry out electromagnetic vibration on the alloy liquid; continuously filling inert gas to preset pressure, and then transferring the crucible; inert gas is continuously filled to preset pressure, then the crucible is tilted, pouring is conducted, and in the pouring process, a gas purging device sprays the inert gas to conduct purging protection on the alloy liquid; and continuously filling inert gas to preset pressure, and pulling the shell to finish the directional solidification process. The method can reduce the gas content in the melt, prevent the melt from being oxidized, promote the removal of a surface oxidation film, reduce pores and oxidation film inclusion, and improve the purity, mechanical properties and yield of the casting.
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS

Molten aluminum flow control structure and control method of mixing furnace and mixing furnace

The invention relates to the field of molten aluminum flow control, in particular to a molten aluminum flow control structure and method of a mixing furnace and the mixing furnace. The molten aluminum flow control structure of the mixing furnace comprises a launder, an adjusting mechanism, a control box and a laser sensor, and the laser sensor and the adjusting mechanism are arranged above the launder; the laser sensor is used for obtaining the detected liquid level height of molten aluminum in the launder and sending the detected liquid level height to the control box. The control box controls the adjusting mechanism according to the preset liquid level height and the detected liquid level height so as to adjust the liquid level height of the molten aluminum. The liquid level of the molten aluminum is monitored in real time in combination with the laser sensor, the adjusting mechanism is accurately adjusted to control the flow of the molten aluminum, a closed-loop control system is formed, automatic and accurate adjustment of the flow of the molten aluminum is achieved, and therefore the product quality is remarkably improved, and safety risks caused by manual operation are thoroughly eliminated.
Owner:QINGHAI HUANGHE HYDROPOWER DEVELOPMENT CO LTD +2

Method for reducing microporosity of secondary aluminum alloy and investment casting method

The invention relates to the technical field of investment casting, in particular to a method for reducing microporosity of a secondary aluminum alloy and an investment casting method. The method for reducing microporosity of the secondary aluminum alloy comprises the following steps that secondary aluminum alloy molten metal is poured into a mold shell, cooling and solidification are conducted after pouring is completed, and a casting is obtained; pressurizing a pouring chamber where the mold shell is located at the beginning of pouring, and stopping pressurizing until the molten metal is cooled to 400 DEG C; during pressurization, pressure is applied, so that the initial pressure P0 of the pouring chamber is 1.2-4 times of the standard atmospheric pressure. According to the method, in the pouring process of the secondary aluminum alloy molten metal, certain pressure is applied, so that microporosity of the surface and the interior of the secondary aluminum alloy casting can be greatly reduced, and the yield of the casting is greatly improved.
Owner:HEBEI GANGYAN DEKAI TECH CO LTD

Mobile aluminum ladle baking device

This invention discloses a mobile aluminum ladle baking device, relating to the field of metallurgical equipment technology. It includes a base frame, with a lifting unit and several support frames fixedly mounted on the upper end of the base frame. An installation unit is located on the front side of the lifting unit, and an igniter unit is fixedly connected to the bottom front side of the installation unit. A gas delivery unit is located on the upper part of the support frames, a gas control unit is located on the upper right side of the installation unit, and an air supply unit is located on the upper left side of the installation unit. This invention, through the base frame, electric forklift, traveling unit, and support units, achieves flexible movement, rapid positioning, and stable support of the device within the work area; the lifting unit enables precise lifting of the installation unit, igniter unit, gas control unit, and air supply unit; and the gas delivery unit, gas control unit, air supply unit, and igniter unit ensure safe gas delivery and precise gas-air mixing.
Owner:JINAN HYDEB THERMAL TECH

Permanent magnet motor planetary gear driving type molten iron tank car and control method thereof

The invention relates to the technical field of metallurgical transportation equipment, and particularly discloses a permanent magnet motor planetary gear driving type molten iron tank car and a control method thereof.The permanent magnet motor planetary gear driving type molten iron tank car adopts a two-stage planetary gear transmission system arranged in series, power generated by a permanent magnet motor is input from a first-stage sun gear, and power generated by a second-stage sun gear is input from a third-stage sun gear; due to the fact that the planetary speed reduction structure has the speed reduction ratio, torque can be increased by several times on the aspect of power, torque maximization of the molten iron tank car is achieved, the bearing capacity and the transmission efficiency of the molten iron tank car are remarkably improved, the reliability and the stability of the car are improved, the service life of the car is prolonged, and the maintenance cost is reduced. And efficient operation of the molten iron tank car is guaranteed, the using effect of molten iron is improved, and the subsequent production efficiency is improved.
Owner:CRRC DALIAN CO LTD

Casting box opening efficiency intelligent optimization system and method integrated with IoT sensing network

The invention relates to the field of intelligent manufacturing, in particular to a casting box opening efficiency intelligent optimization system and method integrated with an IoT sensor network, and the system comprises a data monitoring module, an abnormality feedback module, a data analysis module and an intelligent adjustment module, monitors and collects required data, determines a box opening hedging coefficient and a box opening instantaneous coefficient, and improves the efficiency of casting box opening. The method comprises the following steps: calculating a peeling vibration characterization value, judging whether a box opening state has an abnormal vibration tendency, and for the box opening state with the abnormal vibration tendency, calculating a box opening adjustment characteristic value in combination with a motion synchronization characterization value obtained through analysis and an impurity influence characterization value so as to judge whether the box opening state needs to be adjusted. And aiming at the box opening state needing to be adjusted, calculating an adjustment effective value, and determining a signal sending type. According to the method, internal factors and external factors causing vibration in the box opening process are analyzed, abnormal vibration tendency judgment and box opening state adjustment judgment are conducted on the box opening state, specific vibration in the box opening process is reduced, and the box opening efficiency is improved.
Owner:CHIZHOU XINLIDA TECHNOLOGY CO LTD

Split type capping device for hot-metal bottle

The utility model discloses a split type capping device for a hot-metal ladle. The split type capping device comprises two movable support mechanisms, two fixed bases and a ladle cover. The two movable support mechanisms are correspondingly arranged, the bottoms of the two movable support mechanisms are movably connected with the two fixed bases, and telescopic devices connected with the fixed bases are arranged on the two sides of each movable support mechanism. The tank cover comprises two half tank cover units, each half tank cover unit is connected to the top of one movable support mechanism, and the two half tank cover units are closed and opened through stretching and retracting of the telescopic device. The split type capping device for the molten iron tank is compact in structure, convenient to operate and extremely small in occupied space during operation, split type automatic capping of the molten iron tank car is achieved, meanwhile, heat loss of molten iron is effectively reduced, smoke emission is reduced, and safety during production is improved.
Owner:ANHUI MA STEEL EQUIP MAINTENANCE CO LTD

Cam bearing cap casting apparatus and method of use

The application discloses a cam bearing cover casting device and a using method thereof, and relates to the technical field of casting equipment.The cam bearing cover casting device comprises a casting seat and a casting box arranged on the casting seat and used for casting a cam bearing cover, and further comprises a lifting assembly, a casting unit, a micro-vibration assembly and a cooling assembly.The lifting assembly is internally provided with an upper casting mold.The casting unit comprises the micro-vibration assembly and the cooling assembly.The micro-vibration assembly is internally provided with a lower casting mold matched with the upper casting mold, and the upper casting mold and the lower casting mold are both internally provided with a forming cavity used for forming the cam bearing cover.The cooling assembly is internally provided with a water cooling box filled with condensed water.The cam bearing cover casting device has the advantages that the cam bearing cover casting device can effectively remove the air bubbles in the casting liquid by using the micro-vibration mode while the casting liquid is poured, and the air holes in the cam bearing cover after forming can be avoided;and the cooling mode of liquid cooling combined with air cooling can realize efficient gradient heat dissipation, and the cooling forming efficiency of the cam bearing cover is effectively improved.
Owner:TAIZHOU RUICHI POWER MASCH CO LTD