2630 results about "Forming processes" patented technology

The invention relates to the technical field of compression molding of carbon fiber prepregs, in particular to a partitioned pressurization control method and system for compression molding of the carbon fiber prepregs and a molding process. S2, initial pressure calculation; s3, gradient pressurization control; s4, dynamic pressure adjustment; and S5, a global pressure maintaining stage: when the resin curing degree alpha reaches 0.6-0.8, switching to a full-screen pressure maintaining mode, and maintaining the pressure of each region to be 90%-95% of the current maximum pressure value until curing is completed. The invention provides a zoning pressurization control method and system for compression molding of carbon fiber prepreg and a molding process, and realizes the compression molding method and system with accurate zoning pressure regulation and control and directional discharge of volatile components. And by integrating intelligent sensing, multi-channel hydraulic control and a data driving optimization algorithm, the limitation of a traditional process is broken through, and a technical support is provided for efficient forming of the high-performance carbon fiber composite material.

The invention relates to the technical field of intelligent control, in particular to a composite material forming process intelligent control system which comprises a micro-scale deformation detection module, a stress offset correction module, a temperature gradient regulation and control module, an interlayer curing balance module and a forming intelligent control execution module. According to the method, a deformation rate sudden change area is accurately positioned through micro-scale detection, and stress concentration is found in advance, so that stress adjustment is more targeted, the local stress overload influence is reduced, real-time pressure feedback is combined with target pressure offset analysis to optimize a loading mode, uniform stress in the curing process is ensured, and the defect risk is reduced; high-precision temperature gradient monitoring and thermal diffusion rate analysis improve temperature control precision and improve interlayer temperature equilibrium, curing rate change rate calculation and heat conduction path optimization dynamically adjust a heat dissipation channel and promote uniform curing, stress-temperature distribution equilibrium degree analysis is combined with a deformation trend to optimize heating and pressure parameters, and uniform curing is achieved. And the forming stability and the quality consistency are improved.

The invention relates to the technical field of glass container structure optimization, in particular to a lightweight glass container structure optimization design method based on a three-dimensional simulation model. The method comprises the following steps: constructing a continuous curved surface model of the glass container; constructing a glass container geometric variant library based on the continuous curved surface model of the glass container; performing multi-working-condition simulation on the glass container geometric variant library, and performing stress distribution feature extraction to obtain a container stress distribution feature set; constructing a container forming process constraint set; and performing NURBS control point identification on the glass container according to the container forming process constraint set to obtain a constraint container NURBS control point set. On the premise of ensuring the mechanical property and manufacturing feasibility of the glass container, the lightweight design can be realized to the greatest extent.

The invention relates to a plastic part forming process parameter optimization regulation and control system, in particular to the field of plastic part forming, through the synergistic effect of multiple modules, the intelligent level and stability of a forming process are remarkably improved, and the system can quickly respond to the physical property change of a new material or a new batch; intelligently generating high-adaptability initial parameter suggestions based on historical data; by fusing physical simulation and real-time sensor data, dynamic behavior characteristics of a material are accurately captured, and an enhanced characteristic vector is constructed; on the premise of strictly following the thermodynamic safety boundary, the process parameter combination is efficiently optimized to meet the complex rheological constraint; and meanwhile, closed-loop precipitation and self-improvement of process knowledge are realized according to a continuous evolution anti-disturbance control strategy of production data, rapid and accurate regulation and control in a high-frequency switching scene are finally achieved, and the consistency of forming quality and production stability of plastic accessories are greatly improved.

The invention relates to the technical field of production monitoring, in particular to an aluminum alloy casting integrated frame forming process monitoring system and method based on multi-source fusion, and the method comprises the following steps: collecting melt mold filling vibration data, mold interface temperature gradient distribution and pressure waveform data, and constructing a time-space associated multi-physical field original data set; respectively extracting a characteristic frequency band energy value, a temperature change rate extreme value and a pressure pulsation amplitude value in a mold filling stage, and generating a three-dimensional characteristic vector group; adaptive fusion decision making: inputting the three-dimensional feature vector group into a pre-trained space-time convolutional network, and outputting a fusion decision index representing the microdefect formation tendency; carrying out feedforward-feedback composite regulation and control; and online self-correction is carried out. According to the method, the temperature, the pressure and the mold filling speed in the casting process are optimized, defects in the casting are reduced, and particularly in the aspect of temperature control, it is ensured that the temperature in the casting process is kept within an ideal range, so that the casting quality and the production efficiency are improved.

The invention relates to the technical field of parameter optimization, in particular to a plastic mold forming parameter optimization method and system based on big data, and the method comprises the following steps: collecting pressure data, calculating an acceleration sequence, recognizing a peak window, matching a pressure-temperature ratio, and building a combined cluster to obtain an optimization result set. According to the method, a speed increasing sequence is constructed based on the die cavity pressure change rate, a high-dynamic section is screened through a peak value ratio, automatic identification of an effective forming section is achieved in combination with continuous ratio stability judgment, forming pressure, die temperature and a cooling time sequence are collected to construct a parameter combination sequence, trend consistency is compared, and available combinations are screened; the parameter acquisition granularity, the process identification precision and the parameter group suitability are obviously improved, the problems of subjective interference and error accumulation in the parameter configuration process are effectively avoided, the objective quantitative analysis capability of the forming process state is enhanced, and the accuracy of the forming process state is improved. And the plastic mold forming process stability and the parameter configuration efficiency are improved.

The invention provides an iron tailing-based geopolymer electromagnetic wave attenuation performance optimization control method and system, and relates to the technical field of electromagnetic wave attenuation, and the method comprises the steps: 1, setting a synthesis condition parameter set of an iron tailing-based geopolymer in a simulation environment, comprising virtual matching of raw materials, particle size distribution, concentration gradient of an alkali activator and curing temperature-time coupling parameters, and a forming process is deduced through an amorphous phase topological configuration and a pore network evolution rule of aluminosilicate gel in a geopolymer microstructure; and step 2, constructing an interface reaction kinetics process based on the synthesis condition parameter set, and generating an enhanced interface digital mapping system with periodically arranged aluminum oxide and silicon oxide regular tetrahedrons through virtual iteration of mineral admixture ratio and forming process parameter boundary conditions. According to the method, a strengthened interface is constructed through simulation synthesis, a loss layer database is established, and microstructure regulation and control and multi-band electromagnetic wave efficient attenuation are achieved.

The invention belongs to the technical field of high polymer material design and intelligent manufacturing, and discloses a machine learning driven epoxy resin based composite material thermal-mechanical property aided design method, which comprises the following steps: S1, data acquisition and feature construction; s2, performing feature screening; s3, constructing and training an interpretable prediction model; s4, carrying out reverse design and optimization; and S5, performing closed-loop verification and updating. According to the method, the quantitative relation of structure-process-performance is constructed through an interpretable machine learning model, and the contribution mechanism of each factor is revealed by means of SHAP analysis. And finally, reversely designing an optimal epoxy resin monomer structure and a matched curing process according to the performance target. The limitation of a traditional trial and error method is broken through, collaborative optimization of the material structure and the forming process can be achieved, and the development efficiency of the epoxy resin-based carbon fiber composite material is remarkably improved.

The present invention discloses a mold and method for thermoforming a micro-hemispherical resonator based on full mold constraint. The mold comprises a main body and a forming ball. The main body has a cavity recessed downward from its top surface, the cavity having a plurality of air holes communicating with the exterior of the main body, and the bottom of the cavity has positioning holes. The forming ball is placed in the cavity through the positioning holes. The shape parameters of the forming ball match the shape parameters of the inner cavity of the micro-hemispherical resonator. The method for thermoforming a micro-hemispherical resonator employs the above-mentioned mold to form the micro-hemispherical resonator. Compared with the prior art, the present invention utilizes a precisely machined forming ball to constrain the shape of the micro-hemispherical resonator during the forming process, thereby further improving the structural symmetry of the micro-hemispherical resonator and enabling control of the shape parameters of the micro-hemispherical resonator.

The invention relates to the technical field of composite material forming, and discloses a compression molding process optimization method of a carbon fiber reinforced composite material thin material. According to the method, multi-dimensional process parameters such as temperature gradient distribution data, pressure load change data and resin flow rate data in the compression molding process are collected in real time through a distributed sensing network; establishing a process state evaluation model to carry out initial defect feature recognition on the parameters, and generating an initial defect feature spectrum; performing defect mode matching on the initial defect characteristic spectrum based on the material characteristic database, and separating a main defect data stream from a secondary defect data stream; constructing a real-time compensation instruction set according to the main defect data flow, and synchronously driving a mold pressing equipment executing mechanism to carry out dynamic process parameter correction; the corrected secondary defect data flow is fed back to the material characteristic database to update the defect mode matching rule; and iteratively executing dynamic process parameter correction until a process convergence condition is met, and outputting a quality control report of the finally formed thin material.

The invention relates to the technical field of electrode preparation, and discloses a dry-method electrode preparation process control method and system and a storage medium. The method comprises the steps that in the rolling forming process of a dry-method electrode material, pressure roller gap data and rotation angle data of a driving motor are monitored and collected in real time, and a support vector machine algorithm is used for recognizing the transmission ratio change trend of a pressure roller system; calculating a pitch precision offset caused by wear through Kalman filtering in combination with historical wear data; when the offset exceeds the limit, an adjustment coefficient is generated based on a simulation model, and the control precision is improved through feed-forward compensation and feedback optimization; when the adjustment precision meets the process requirement, a self-adaptive parameter set is determined through dynamic deviation residual analysis, and an actuator is driven to adjust the gap between the compression rollers; and monitoring the thickness uniformity index of the electrode plate produced after adjustment in real time, and finally forming quality closed-loop control by taking the thickness uniformity of the electrode plate as a verification standard. According to the invention, the quality precision of dry-method electrode production is improved.

The invention relates to the technical field of traditional ceramic manufacturing, in particular to imitation handmade ceramic forming machining equipment and a machining method thereof.The imitation handmade ceramic forming machining equipment comprises a rack used for supporting all functional modules and providing a stable working platform; the forming unit is arranged on the rack and comprises a multi-degree-of-freedom mechanical arm, a hand-imitating tool head, a flexible pressurizing mechanism and a rotary driving assembly; the driving system provides power for the forming unit and the auxiliary device; the detection control module integrates a sensor group and a controller, the sensor group is used for monitoring pressure, displacement and visual information in the forming process in real time, and the controller is internally provided with a manual forming process database and feeds back closed-loop control forming parameters based on sensors; the auxiliary system comprises a blank pretreatment device, a mold system, a demolding mechanism and a cleaning device, is used for blank preparation, forming supporting, demolding assisting and post-treatment, and is suitable for efficient and high-precision mechanical implementation of traditional manual throwing, kneading molding, fettling and other processes.

The utility model discloses concrete block compression molding equipment, and aims to solve the problems that a large number of supporting plates occupy a large storage space, more time and manpower need to be input for managing the large number of supporting plates, and the management difficulty and the labor cost are increased. According to the technical scheme, the concrete block compression molding equipment is characterized by comprising a molding machine body, an operation box is arranged on one side of the molding machine body, first guide rails are symmetrically arranged at the tops of the two sides of the operation box, first sliding blocks are slidably connected to the first guide rails, a first sliding table is arranged on the two first sliding blocks, and a first supporting plate is arranged on the first sliding table; second guide rails are symmetrically arranged in the operation box, and second sliding blocks are slidably connected to the second guide rails. According to the compression molding equipment for the concrete blocks, the continuous compression molding process of the blocks can be completed only by arranging the first supporting plate and the second supporting plate which are alternately changed in position, and the problems that the storage pressure is large and the management cost is high due to the fact that a large number of supporting plates are used are solved.

According to the hard process cover plate forming method capable of achieving directional control over the R angle thickness of the composite part, the carbon fiber fabric prepreg is laid on the hard cover plate forming tool to prepare a hard cover plate, and the inner R angle of the hard cover plate is compensated to adapt to R angle forming of parts with different thicknesses. By adjusting the value of the R angle in the hard cover plate, the part prepreg is prevented from being excessively extruded in the R angle in the forming process, so that glue flowing is serious, the forming quality of the R angle of the part is guaranteed, and the percent of pass of the composite material part with the R angle is effectively improved.

The invention discloses a powder metallurgy part pressing forming device which comprises a circulating feeding mechanism, a pressing mechanism, a secondary processing mechanism and an intermittent discharging mechanism, the circulating feeding mechanism comprises a motor, and a lower pressing head assembly is arranged on one side of a filtering assembly. According to the powder metallurgy part pressing forming device, a motor drives a rotating shaft to drive a material box to rotate, in the rotating process of the material box, two sets of brush plates on the side face of the material box sweep and gather powder accidentally falling out in the moving process of the material box and powder falling in the pressing forming process in sequence, and when the material box and the brush plates rotate to the position above a filtering assembly, the filtering assembly can filter the powder. The powder gathered by the brush plate automatically falls through the filter assembly and is uniformly recycled, so that secondary use is realized, the powder is prevented from remaining on the workbench, the powder is prevented from being moved and mixed with new powder in the subsequent feeding process, and the production consistency and the processing quality of powder metallurgy parts are ensured.

The invention provides a parameter monitoring method and system in a composite material preparation process based on optical fiber sensing, computer equipment and a medium, and belongs to the field of composite material detection. Center wavelength signals in the resin diversion stage are continuously collected through optical fiber strain sensors in a distributed optical fiber grating sensing array, and the distributed optical fiber grating sensing array is embedded into the multiple layers of dry carbon fiber cloth in the fiber preform in advance; the flowing position and time of the resin in the fiber prefabricated body are determined according to the minimum value of the central wavelength signal offset in the resin flow guide stage, and the flowing front edge of the composite material is constructed according to the flowing positions and time of the resin corresponding to the optical fiber strain sensors in the fiber prefabricated body. According to the method, the change of the structure state of the composite material in the resin diversion process can be continuously monitored in a complex variable-temperature environment, and the accurate monitoring of the three-dimensional resin flowing front edge in the composite material liquid forming process is realized.

The application belongs to the technical field of injection molding machines, and particularly relates to a vehicle lamp shell integrated injection molding and polishing mold and a variable temperature forming process, which comprises a front mold, a rear mold and a heating module. A forming cavity is formed in the rear mold. A spraying module is arranged in the cavity in a retractable manner. The spraying module is used for spraying a release agent to the inner wall of the cavity. The heating module is arranged in the rear mold. The heating module preheats the rear mold and evaporates the moisture of the release agent sprayed on the inner wall of the cavity. The mold further comprises a ejector pin module. The ejector pin module comprises an ejector pin plate and a plurality of ejector pins connected to the ejector pin plate. The plurality of ejector pins penetrate through the through holes on the rear mold and lead to the cavity. The spraying module is arranged on the front end side wall of the ejector pin. The spraying module sprays the release agent to the inner wall of the cavity when the spraying module retracts into the through hole along with the ejector pin. The mold can avoid the first injection material and the second injection material from being unable to be well bonded due to improper spraying of the release agent, and improve the stability of the injection molded product.

The invention relates to the technical field of lamps, in particular to a plating forming process of a lamp. The problems that the interface bonding force of the coating and the matrix is insufficient and the corrosion resistance of the coating is poor are solved. According to the method, micro-arc oxidation is carried out in the pretreatment stage, a compact Al-Si-O ceramic layer is generated on the surface of a high-aluminum matrix in situ, and in combination with deep diffusion of plasma siliconizing, a transition area with gradient Si distribution is constructed; the pitting corrosion resistance of the coating is optimized through the component gradient design of the inner-layer coating, the middle-layer coating and the outer-layer coating; the surface of the coating lamp is subjected to checkerboard scanning by using short pulse laser, so that the porosity and microdefects of the surface of the coating are improved, and the corrosion resistance of the coating is enhanced; a uniform oxynitride passivation film is generated on the surface of the coating in situ through low-temperature plasma post-oxidation-nitridation treatment, the defect that a film layer is easy to strip in a traditional passivation process is avoided, and the corrosion resistance of the material in long-term service can be stably maintained.

The invention discloses an aircraft fairing and a fairing body composite material integrated forming process, and relates to the technical field of aviation equipment manufacturing. The forming process comprises the following steps: 1) preparing a prepreg; (2) sectional forming; 3) a curing process; (4) demolding and trimming; 5) an assembly process; the whole of the front section, the middle section and the tail section of the fairing is of a long-size U-shaped streamline structure. According to the invention, through molecular collaborative design of fluorination modification-polysiloxane toughening-cyanate ester interpenetration, the key contradiction of a high-performance fairing material is systematically solved; ultrahigh strength and toughness are realized at the same time by utilizing in-situ nano microphase separation; a dense graphite carbon layer is generated through catalysis, so that efficient halogen-free flame retardance is achieved; by means of the partition design of molecular fluorination and surface metallization, the high wave transmission and lightning protection functions are ingeniously unified. And finally, a new generation of aircraft fairing composite material with force bearing, wave transmission, heat resistance, impact resistance and environmental stability is successfully prepared.

The invention discloses a multi-mode cooperative intelligent forming control system, particularly relates to the field of production strategy control, and is used for solving the problems that a control strategy is difficult to dynamically adjust according to different mold characteristics in an existing mold forming process, and intelligent matching cannot be realized due to forming period section division. A preloading module is used for collecting mold press-fitting displacement parameters and a thermal response curve in a forming period, a response hysteresis analysis module is used for analyzing stress response and structural deformation absorption capacity of a mold, a thermal inertia analysis module is used for identifying a mold thermal inertia window, and a section division strategy space of the current forming period is jointly constructed; and time sequence boundaries of the pressure rising section, the pressure stabilizing section and the cold conversion section are set through the control module, and accurate control over the forming process is achieved. The system further constructs a biaxial parameter space based on a hysteresis attribute and a thermal inertia window through a strategy space updating module, executes strategy updating, and forms a strategy adjustment network capable of adapting to the multi-mode collaborative processing process.

The invention discloses a continuous microtubule precision machining system and method. The machining system comprises a base, a feeding conveying assembly, a discharging assembly, a forming assembly and a detecting assembly, wherein the feeding conveying assembly, the discharging assembly, the forming assembly and the detecting assembly are supported on the base. The forming assembly comprises a continuous station table and a forming structure, the continuous station table is provided with a plurality of fixing holes for containing the micropipes, the projection of the forming structure on the continuous station table intersects with the running path of the fixing holes, and the forming structure reciprocates towards the continuous station table so as to form the micropipes contained in the fixing holes; the feeding conveying assembly is used for conveying the microtubes into the fixing holes of the forming assembly. The discharging assembly is used for collecting the micro-pipes formed in the fixing holes. And the detection assembly is used for performing pose detection on at least one of the microtubes in the material box, the feeding and conveying assembly and the fixing holes. According to the efficient continuous machining system and method, the forming precision of the micropipe is guaranteed, and the damage situation in the forming process is reduced.

The invention discloses a near-isothermal hot spinning forming method and a heat compensation method for a metal workpiece. The forming method comprises the steps that a blank heated to the spinning preheating temperature is transferred and clamped on a workbench, and the blank is located in an effective heat compensation area arranged in a heat compensation system; the blank is subjected to temperature measurement to judge whether the blank temperature meets the temperature before blank spinning so as to determine whether the blank is subjected to temperature compensation waiting in a heat compensation system or not; and then near-isothermal hot spinning forming is completed in a heat compensation system according to a preset spinning program, the heat compensation system continuously compensates the temperature of the blank during spinning and monitors the spinning temperature in real time, and it is guaranteed that the fluctuation range of the spinning temperature does not exceed + / -20 DEG C in the process from spinning deformation to spinning deformation ending. According to the near-isothermal spinning forming technology, spinning equipment of a measurable and controllable semi-closed active heat compensation system is utilized, and the deformation temperature of high-temperature alloy, titanium alloy and other difficult-to-deform metal materials is controlled within a small fluctuation range in the spinning process.

The invention discloses a composite current collector and a forming process method and application thereof. The composite current collector is characterized in that one or more polymer curing layers are formed on a first metal layer through thermal evaporation or coating curing, and second metal layers are formed between the polymer curing layers and / or on the polymer curing layers through evaporation; the forming process method comprises the following steps: forming a polymer curing layer on a first metal layer through thermal evaporation or coating; and repeating thermal evaporation or coating curing and evaporation processes to form a multi-layer stacked structure. The resistivity of the composite current collector is effectively reduced, and the production efficiency of the composite current collector is improved; the metal layer is made of common metal materials in the market, sputtering points do not exist on the metal layer formed through evaporation, the polymer layer is formed through thermal evaporation or coating and then through electron beam or ultraviolet curing, the adhesive force between the metal layer and the polymer layer is effectively improved, and the problems that the electric performance of the composite current collector is reduced, and the service life of the composite current collector is prolonged are solved.

The invention relates to the technical field of composite material stringer forming, and particularly discloses a composite material stringer forming mold and method.The composite material stringer forming mold comprises a mold pressing machine, a jacking cavity, a clamping cavity, a positioning mechanism, a mold pressing mechanism and a jacking mechanism, and the jacking cavity is formed in the bottom end of an inner cavity of the mold pressing machine; clamping cavities communicated with an inner cavity of the molding press are formed in the left side and the right side of the molding press, the positioning mechanisms are arranged in inner cavities of the clamping cavities, the molding mechanism is arranged at the top end of the inner cavity of the molding press, and the jacking mechanism is arranged in an inner cavity of the jacking cavity. The device can effectively overcome the defects of edge fiber distortion and interlayer slippage caused by resin flow and thermal expansion coefficient difference in the prior art, can ensure that the prepreg is kept at a design angle when being laid, can timely identify and adjust an abnormal stress state during demolding, greatly reduces the rejection rate, and improves the production efficiency. The mold system can realize accurate control of the hot press molding process and safety protection of the demolding process, and has remarkable economic benefits and application values.

The invention discloses a mold tool for preparing a heat dissipation copper plate of an IGBT (Insulated Gate Bipolar Translator) module, which relates to the field of preparation of needle type heat dissipation copper plates and comprises a base plate, a bearing and moving part arranged on the base plate, and a forming device and a demolding device which are sequentially arranged at the top of the base plate and stretch across the bearing and moving part, and a plurality of needle-shaped structure forming plates which are sequentially overlapped from top to bottom are arranged at the execution end of the bearing moving part. According to the mold tool, in the rough blank copper plate forming process, low-pressure extrusion forming of a metal copper plate is achieved through the forming device, slitting treatment of an overlong needle-shaped structure is achieved through the needle-shaped structure trimming device, and the multiple stacked needle-shaped structure forming plates can be independently unloaded through the demolding device; the influence on the needle-shaped structure during demolding of the needle-shaped structure forming plate is effectively reduced, meanwhile, the demolding device can repeatedly bend the copper plate flash structure while removing the needle-shaped structure forming plate, metal fatigue can be conveniently generated at the contact position of the flash and the copper plate, and follow-up removal of the flash is facilitated.

The application belongs to the technical field of magnesium alloy and provides a low anisotropy magnesium alloy, which comprises the following raw materials in percentage by mass: Gd 5.80-7.20 wt%, Y 0.02-2.00 wt%, Zr 0.30-0.60 wt%, Zn 0-0.60 wt%, Mn 0-0.10 wt%, Sb 0.02-0.3 wt%, Sr 0.02-0.05 wt%, Sn 0.04-0.1 wt%, and the balance being magnesium. The application also provides a method for preparing large structural parts in a short process. The application utilizes the atomic misplacement and the difference in elastic modulus between the matrix and the Gd and Y elements to improve the mechanical properties, thereby ensuring the basic performance indicators of the alloy system, and utilizes the combined action of rare earth elements and precise control of the forming process to realize the short process preparation of large structural parts.

The invention discloses a selective laser melting high-temperature preheating device with high-precision temperature control. The selective laser melting high-temperature preheating device comprises a laser; a forming cylinder; the piston is arranged in the forming cylinder in a lifting manner; the mounting plate is arranged on the piston, and a first accommodating groove is formed in the top surface of the mounting plate; the heating plate is arranged in the first accommodating groove and is provided with a heater; the forming base plate is arranged above the heating plate and is provided with a temperature sensor; the cooling mechanism is used for cooling the piston, the mounting plate, the heating plate and the forming base plate; a heat insulation plate is arranged between the bottom wall of the first containing groove of the installation plate and the heating plate. The invention further discloses a selective laser melting high-temperature preheating method with high-precision temperature control. Through the mode, the problem of cracking caused by overlarge temperature gradient in the SLM forming process is solved, the problems of low preheating temperature, low cooling speed and inaccurate temperature control of the formed substrate are also solved, the powder laser absorptivity can be improved to a certain extent, the scanning speed is increased, and the production efficiency is improved.

The invention provides an electric arc additive and subtractive composite manufacturing method and device for a cross structure based on low surface roughness. The device comprises an electric arc additive manufacturing forming system, a milling and subtractive system and a three-dimensional scanning detection system. Firstly, cross structure characteristics are analyzed, an additive manufacturing program is generated through an electric arc additive manufacturing forming system, and a layer is added; secondly, the flatness S, the average height # imgabs0 #, the weld reinforcement h and the height D of each position of the formed surface are analyzed through a three-dimensional scanning detection system, and whether the flatness S exceeds a specified value or not is judged; and finally, material increasing and decreasing judgment is conducted, and if # imgabs1 # imgabs2 #, material decreasing is conducted through a milling and cutting material decreasing system. And if # imgabs3 #, additive repair welding is conducted through an electric arc additive manufacturing forming system. In combination with a three-dimensional scanning detection system, flatness feedback of the formed surface can be obtained in real time, material increasing and decreasing are conducted in time in the cross structure forming process, the roughness of the formed surface of the cross structure is effectively reduced, and the forming precision is improved.

The invention discloses a low-oxygen high-purity zinc small ingot forming glove box device, which relates to the technical field of oxygen-free glove boxes, and comprises a box body, a glove box door arranged on one side of the box body, a glove opening arranged on one side of the box body, and a vacuum extraction system, the heating device is arranged on one side in the box body, the mold assembly is arranged on the other side in the box body, the crucible assembly is heated through the heating device, the transferring mechanism drives the crucible assembly to move and ascend and descend, the pouring assembly is used for pouring materials in the crucible assembly into the mold assembly, and the pouring assembly is located between the transferring mechanism and the mold assembly. The transfer mechanism, the dumping assembly and the mold assembly are sequentially lowered in height. The device is reasonable in design and ingenious in structural design in the transferring and transferring process, zinc materials are molten in the glove box, the glove box is vacuumized and then filled with inert gas, the zinc materials are prevented from being oxidized in the forming process, in addition, the transferring mechanism drives the crucible assembly to move and ascend and descend, and the dumping assembly assists the crucible assembly in obliquely dumping materials. By arranging the glove box, the product quality and the working efficiency are improved.

The invention relates to a sealing structure of a flexible waterproof FFC wire harness and a forming process, and belongs to the technical field of automobile electronic wire harness manufacturing, the sealing structure comprises an FFC wire, a connector shell, a sealing ring and a blanking cap, the sealing ring is made of a fluororubber and hydrogenated butadiene-acrylonitrile rubber composite modified material, the connector shell is made of a glass fiber reinforced PP or PA66 material, and the blanking cap is made of a glass fiber reinforced PP or PA66 material. Under the cooperation of a vulcanizing agent system and an anti-aging agent system, double-material injection molding is adopted for integral forming, and double sealing is achieved through interference fit of the blanking cap and the sealing ring. The waterproof grade of the FFC wire harness reaches IP67, the weight is reduced, the size is reduced, the production efficiency is improved, and the FFC wire harness can be widely applied to wet area scenes such as automobile door lines, ceilings and seats, has the cost advantage and the environmental protection benefit, and has remarkable industrial application value.