Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

145 results about "Composite fabrication" patented technology

Full-laser additive and subtractive composite manufacturing method and full-laser additive and subtractive composite manufacturing device

The invention relates to the technical field of additive and subtractive manufacturing, in particular to a full-laser additive and subtractive composite manufacturing method and a full-laser additive and subtractive composite manufacturing device, and according to the method, a current layer is machined by switching pulse laser and continuous laser, and additive and subtractive treatment is conducted on the current layer. According to the additive and subtractive treatment, the distribution of an interface morphology material and an internal structure of a current layer can be changed, and a formed interface layer can regulate and control the flowing state and the internal stress of a molten pool in the subsequent additive process, so that the effects of inducing and refining structure growth are achieved; according to the method, forming of a more precise fine structure can be achieved through cooperation of layer-by-layer material increasing and material decreasing, continuous laser and pulse laser are compositely utilized in the method, the manufacturing precision, the surface quality and the internal quality of an additive manufacturing part can be effectively improved, and the part has the advantage of being good in mechanical property. The device comprises an optical system, the optical system comprises a pulse laser module and a continuous laser module, and the pulse laser module and the continuous laser module are arranged to operate independently or simultaneously.
Owner:GUANGDONG UNIV OF TECH

Ribbed cylinder topological optimization method for spinning-additive composite manufacturing

The invention discloses a spinning-additive composite manufacturing oriented ribbed barrel topological optimization method, which relates to the field of structural design, and comprises the following steps: defining a design area and a non-design area, and setting physical property parameters of materials; initializing a design variable; a size constraint method is introduced, and the background physical density of the ribs is calculated to meet the spinning manufacturing size requirement; mapping the design variables into spinning and additive design variables of the ribs; statics analysis and linear buckling analysis are conducted, and linear buckling factors and buckling modes of all orders are obtained; calculating each design response of the cylinder structure, and analyzing the sensitivity; solving the topological optimization model to obtain a design variable and a skin thickness; and carrying out post-processing on an optimization result, and establishing an optimized cylinder structure. The method can be used for high-inner-rib barrel design of spinning-additive composite manufacturing, the design freedom degree is fully exerted, rib layout, rib spinning and additive forming parts are reasonably distributed, and a thin-wall ribbed barrel structure which is light in weight and high in bearing performance is obtained.
Owner:SHANGHAI JIAOTONG UNIV

Cross structure electric arc additive and subtractive composite manufacturing method and device based on low surface roughness

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.
Owner:NANJING UNIV OF SCI & TECH +1

Cone angle self-sharpening type high-strength mining cutting pick and gradient manufacturing method thereof

The invention relates to the technical field of mining, in particular to a taper angle self-sharpening type high-strength mining cutting pick and a gradient manufacturing method thereof.The taper angle self-sharpening type high-strength mining cutting pick and the gradient manufacturing method thereof.The taper angle self-sharpening type high-strength mining cutting pick comprises the following steps that S1, raw materials are selected and pretreated; gradient composite manufacturing of the cone-angle self-sharpening high-strength mining cutting pick is achieved, different parts of the cutting pick adapt to specific requirements of different parts through gradient change of material performance, the abrasion resistance and impact resistance of the cutting pick are remarkably improved, in addition, the cutting edge of the cone-angle self-sharpening high-strength mining cutting pick is designed to be conical, and the cutting edge of the cone-angle self-sharpening high-strength mining cutting pick is not prone to deformation. Due to the geometrical shape, in the cutting process of the cutting pick, friction and impact can be generated between the conical edge of the cutting pick and rock, even if abrasion occurs, abrasion materials on the edge can fall off due to the dynamic effect, a new sharp edge is exposed, and due to the mechanism, the cutting pick can continuously keep efficient cutting performance under the severe working condition.
Owner:JINHUA ZHONGYE SUPERHARD MATERIALS CO LTD

Additive and subtractive composite manufacturing process planning method oriented to element runner structural characteristics

The invention discloses an additive and subtractive composite manufacturing process planning method for element runner structure features, which comprises the following steps: S1, analyzing the feature structure of a runner, optimizing the runner for additive and subtractive composite manufacturing, and splitting a multi-runner structure into a plurality of single-runner structures; s2, a machining strategy is set, namely, the single runners are machined one by one in sequence, and a single-runner additive machining strategy is machining along a centroid shaft; s3, developing a collision detection algorithm for flow channel additive and subtractive machining, and circularly solving a machining area segmentation plane by using the collision detection algorithm along a flow channel centroid shaft to obtain a flow channel additive and subtractive alternate area division scheme; s4, generating specific additional material and subtractive material processing procedures; and S5, post-processing to generate a processing code, and importing the processing code into additive and subtractive composite manufacturing equipment for processing. According to the invention, the process planning result without collision and with high processing efficiency can be quickly and efficiently obtained.
Owner:SHANDONG UNIV

Systems and methods for composite fabrication with AI quality control modules

A quality control system may include a controller configured to be communicatively coupled with a monitoring assembly including one or more detectors. The controller may implement two or more AI quality control (AIQC) modules associated with two or more process steps for fabricating a composite material, where each of the two or more AIQC modules is associated with a different one of the two or more process steps. A particular AIQC module may receive monitoring data associated with the particular process step for a workpiece, generate quality control data using a particular AI model, and update the particular AI model based on testing data associated with the workpiece from one or more testing tools after at least the particular process step.
Owner:ROYAL ENGINEERED COMPOSITES INC

Multi-heat-source equivalent material increasing composite manufacturing method and system

The invention belongs to the technical field of additive manufacturing, and discloses a multi-heat-source additive manufacturing composite manufacturing method and system.The multi-heat-source additive manufacturing composite manufacturing method comprises the steps that S1, high-power fuse additive manufacturing is conducted; s2, performing temperature-controlled deformation equal-material forging; s3, low-power powder feeding compensation manufacturing; and S4, carrying out integral post-treatment. According to the regulation and control method for compensating the high-power fuse additive remelting area through low-power powder feeding additive, the deformed area of fuse temperature control equivalent material forging is reserved, post-heat input of static recrystallization is reduced, the equivalent material forging surface is refined, and high-efficiency, high-precision and high-performance composite manufacturing is achieved. The invention further provides a forming system matched with the method, the contradiction between high-performance equal-material large-deformation surplus and high-efficiency additive large-heat input remelting in the existing additive composite manufacturing process can be solved, and growth of crystal grains in the post-heat static recrystallization process is effectively inhibited; and high-efficiency and high-precision additive composite manufacturing of the fine-grain forge piece is successfully realized.
Owner:HUAZHONG UNIV OF SCI & TECH

Multi-laser-area additive-detection-subtractive composite manufacturing method

The invention discloses a multi-laser-area additive-detection-subtractive composite manufacturing method which comprises the following steps: establishing a three-dimensional model of a part to be formed, and adding a necessary support structure model for the three-dimensional model; laser printing process parameters are set, a model formed by combining the three-dimensional model and the supporting structure body model is sliced layer by layer, and a slicing program is obtained; the slicing program is imported into multi-laser powder bed fusion forming software, and a printing program is generated; a printing program is imported into the multi-laser-area material increasing-detecting-material decreasing composite device; the multi-laser-area additive-detection-subtractive composite device prints an entity of a part to be formed on a forming substrate of the multi-laser-area additive-detection-subtractive composite device according to the slicing program; and after printing is finished, the forming substrate is taken out of the multi-laser-area additive-detection-subtractive composite device, the entity of the to-be-formed part is cut off from the forming substrate, and the entity of the to-be-formed part is obtained. The forming efficiency is improved, and the machining quality and precision are guaranteed.
Owner:JIANGSU UNIV

Multi-source sensing fusion laser powder bed fusion five-axis additive and subtractive composite equipment

Multi-source sensing fusion laser powder bed fusion five-axis additive and subtractive composite equipment comprises a machine tool base of a laser powder bed, a gantry type machining platform is connected to the machine tool base, and a sealing cover body is connected to the gantry type machining platform; a swing head sliding table is installed on an XY-axis movement mechanism on the gantry type machining platform, and the five-axis material reducing process is achieved. A galvanometer sliding table is installed on an XY axis movement mechanism on the gantry type machining platform, and laser scanning is conducted on the laser powder bed to achieve the laser powder bed material adding process. Large-angle five-axis additive and subtractive composite manufacturing on the powder bed is achieved through the combination of the gantry type three-axis movement mechanism and the A / C-axis swing head type electric spindle, and the rigidity of the movement mechanism is guaranteed; real-time monitoring of acoustic, mechanical and optical signals and the like in the part additive and subtractive machining process is achieved through various types of sensors, and the comprehensive quality of the part machining process and the finished part machining process is predicted.
Owner:XI AN JIAOTONG UNIV

Method and system for predicting additive and subtractive composite manufacturing stress and deformation of metal thin-wall component

The invention discloses a metal thin-wall component additive and subtractive composite manufacturing stress and deformation prediction method and system, and the method comprises the steps: carrying out the three-dimensional modeling of a component sample and a machining tool, importing a model into finite element software, and completing the assembly of the component sample and the tool; establishing a thermal elastic-plastic constitutive equation in the material increasing process in finite element software, and setting material attributes of the component sample; finite element software is used for setting a life-death unit to simulate the material forming behavior in the actual laser cladding process; setting a moving path of the heat source between different cladding layers; calculating an additive temperature field and converting the additive temperature field into a structural unit; a geometric matrix for converting unit node displacement into node strain is obtained, and an additive stress field is obtained; additive simulation stress data are extracted and loaded; a constitutive equation is used for defining material constitutive attributes, and the number of steps and machining time of milling machining analysis are set; and setting a material failure criterion, and calculating the stress distribution and deformation of the sample by using a solver. The testing precision of the residual stress of the metal thin-wall component is improved.
Owner:XI AN JIAOTONG UNIV

Temperature-adjustable laser material reducing device and method

The invention relates to a temperature-adjustable laser material reduction device and method.The device comprises a base, a second support, a temperature control part, a moving platform, a first support, a laser emitting part, a temperature adjusting part and the like, and the method comprises the steps of component heating, femtosecond laser material reduction machining, real-time temperature control and evaluation optimization; through the PID temperature controller and the infrared temperature detector, the temperature of the surface of the metal component can be accurately controlled, surface defects and residual stress caused by temperature fluctuation in traditional laser machining are avoided, through dynamic adjustment of laser parameters and the temperature, powder adhesion, the step effect and surface unevenness are remarkably reduced, the surface roughness can be reduced to Ra 0.2 micrometer or below, and the surface quality is improved. Through high-precision machining of femtosecond laser and optimization of a temperature control system, the size precision of the metal component can reach + / -0.01 mm, the high-precision manufacturing requirement is met, and the method is suitable for additive and subtractive composite manufacturing of various metal materials and particularly has remarkable advantages in machining of temperature sensitive materials or multi-layer composite materials.
Owner:SHANGHAI UNIV OF ENG SCI

Efficient grid reinforcing rib structure expansion adjusting sheet composite additive manufacturing method

The invention relates to an efficient grid reinforcing rib structure expansion adjusting sheet composite additive manufacturing method. The method comprises the following steps of part analysis, part blank state design, part forming, heat treatment, rough machining, heat treatment and finish machining. According to the method, advantages and disadvantages of composite manufacturing and laser fused deposition additive manufacturing in connection performance, process matching performance and processing efficiency are fully utilized, the expansion adjusting sheet of the grid reinforcing rib structure is manufactured by adopting a composite manufacturing and laser fused deposition additive manufacturing method, and macro and microstructure is optimized through a heat treatment process; the scanning strategy is optimized, heat accumulation of each layer of forming area is reduced, the forming strength of the part is guaranteed, the deformation amount is reduced, the part machining technology is improved, and the part rejection rate is reduced.
Owner:SHENYANG LIMING AERO-ENGINE GROUP CORPORATION

An electric arc additive and subtractive composite manufacturing process planning method and system

The application discloses an arc additive and subtractive composite manufacturing process planning method and system, and specific steps of the method include three-dimensional modeling, slicing and layering, collision interference detection, cutter accessible area correction, interference identification to obtain an initial machining sequence, and process merging optimization to obtain an optimal process planning scheme. Compared with the prior art, the application proposes a cutter accessible area correction method fusing arc additive process characteristics, and realizes initial partitioning of the component without interference. On this basis, process merging optimization is carried out with the optimization target of minimizing the number of additive and subtractive process alternations, and a process planning scheme satisfying the interference-free constraint is obtained. Compared with the prior art, the application effectively solves the technical problems of poor process planning adaptability, process redundancy, high alternation cost, single manufacturing process data acquisition, and lack of real-time monitoring and intelligent control in the arc additive and subtractive composite manufacturing.
Owner:NANJING UNIV OF SCI & TECH

A distributed job shop scheduling method for additive and subtractive hybrid manufacturing

The present application relates to the field of intelligent manufacturing, and more particularly to a distributed workshop scheduling method for additive and subtractive hybrid manufacturing. The present application provides a two-stage algorithm, including a batching stage and a scheduling stage. In the batching stage, a balanced height distribution greedy algorithm with two-dimensional interval constraints and space block left-down placement strategy is designed to batch all the workpieces to be produced, determine the workpiece batches, and take the obtained batches as the coding information of the scheduling stage algorithm; in the scheduling stage, a non-dominated sorting genetic algorithm-II with excellent degree strategy driven variable neighborhood search is designed to perform additive and subtractive hybrid manufacturing scheduling, so as to achieve the optimization goal of minimizing the maximum completion time and the total production cost. The present application can realize additive and subtractive hybrid manufacturing scheduling, better utilize resources, maximize production efficiency, and reduce production cost through collaborative work of multiple workshops and load dispersion.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Frozen sand mold multi-mode additive and subtractive in-situ composite manufacturing method

The invention discloses a frozen sand mold multi-mode additive and subtractive material in-situ composite manufacturing method, and belongs to the technical field of additive and subtractive material composite manufacturing. According to the method, on the basis of the water-ice phase change reversible characteristic of the frozen sand mold, a mixture of a sand mold material and water is frozen at low temperature to form an ice crystal network framework, precise material reduction machining is conducted on the frozen sand mold through five-axis numerical control equipment, and laser cladding, magnetic field oriented deposition and hot pressing sintering multi-mode material increase technologies are combined; and in-situ additive forming is achieved on the surface of the cavity after material reduction. By regulating and controlling the temperature gradient or the magnetic field intensity, a middle combination or three-dimensional interlocking structure of the material adding layer and the ice sand base body is achieved, finally sand materials are recycled through the gradient unfreezing and separating technology, and the material utilization rate is increased. The precision limitation of traditional sand mold casting is broken through, the manufacturing cost is reduced compared with a traditional additive and subtractive process, and the method is particularly suitable for the precision manufacturing field of aerospace complex inner runner components, new energy automobile integrated castings and the like.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +2

Five-axis linkage additive and subtractive composite machine tool and control system

PendingCN122322889ASave time and moneyEliminate positioning errorsManufacturing technologyControl system
This invention belongs to the field of additive-subtractive composite manufacturing technology, and discloses a five-axis linkage additive-subtractive composite machine tool and control system. The machine bed base assembly has left and right guide rail seats symmetrically fixed on both sides of its top. The worktable is fixed in the middle of the machine bed between the two guide rail seats. An integral crossbeam is mounted across the top surface of the left and right guide rail seats and can move linearly along the X-axis. Two independent machining units are mounted in parallel along the Y-axis on the integral crossbeam: the subtractive side crossbeam slide plate carries a subtractive slide block and a subtractive electric spindle actuator, and the additive side crossbeam slide plate carries an additive Z-axis slide table and a double-swing additive head. The worktable is divided along the X-axis into a subtractive-specific machining area, a composite machining area, and an additive-specific machining area. The two machining units can operate independently in their respective dedicated areas, or enter the composite machining area at different times to collaboratively complete the additive-subtractive composite machining. This invention combines high structural rigidity with machining flexibility, avoids secondary workpiece clamping errors, and significantly improves machining efficiency and accuracy.
Owner:宁庆空天智能装备(南京)股份有限公司

Additive, reinforcement and subtractive composite manufacturing system

The invention discloses a material increasing, strengthening and material decreasing composite manufacturing system, and relates to the field of industrial manufacturing. Wherein the composite manufacturing process planning module is used for generating a material increasing / strengthening / material decreasing composite manufacturing step subprogram of a to-be-printed workpiece; the process control module timely transmits step subprograms to the five-axis CNC control module and the robot control module according to a corresponding time sequence; on one hand, the five-axis CNC control module realizes motion control and start-stop control of the laser additive module, and on the other hand, the five-axis CNC control module realizes laser additive and numerical control subtractive composite manufacturing of a to-be-printed workpiece; the robot control module is used for controlling the ultrasonic enhancement module to realize the ultrasonic enhancement function of the workpiece; the information sensing module is used for monitoring multi-source sensing information in real time; the multi-modal information fusion and decision-making module carries out preprocessing, feature recognition and feature analysis on the multi-source sensing information and monitors the state of the machining process so as to analyze the stability of the machining process. According to the invention, high-performance and integrated composite manufacturing of complex workpieces can be realized.
Owner:EAST CHINA UNIV OF SCI & TECH +1

Explosive welding initiating explosive forming mold, initiating explosive column and explosive welding method

The invention belongs to the technical field of metal explosive cladding manufacturing, and discloses an explosive welding initiating explosive forming mold, an initiating explosive column and an explosive welding method. The mold comprises a pipe body and a cone assembled in the pipe body. The top end of the cone is upward, and a gap is reserved between the bottom face of the cone and the lower end face of the tube body, so that an upper columnar charging cavity and a lower conical energy gathering cavity are formed in the tube body. By means of the simple split design, traditional manual explosive pit digging operation is converted into a standardized process, the energy-gathered initiating explosive column with the highly-consistent shape, size and explosive loading amount is prepared, personal errors are thoroughly eliminated, and repeatability of initiation energy is guaranteed. And meanwhile, the bottom energy gathering cavity structure is beneficial to improving the energy utilization rate, and is particularly suitable for explosive welding of the multi-layer metal plate with the medium thickness. The device has the remarkable technical advantages of simple structure, low cost, time-saving operation, safety, high efficiency, batch production and the like.
Owner:BAOTI METAL COMPOSITE MATERIALS CO LTD

Additive and subtractive composite manufacturing process planning method based on manufacturability

The invention discloses an additive and subtractive composite manufacturing process planning method based on manufacturability. The method comprises the steps that mesh generation is conducted on an additive and subtractive model, and then fine processing and exporting are conducted; extracting geometric feature edges of the refined grid model, and segmenting the model according to the geometric feature edges to obtain corresponding sub-models; establishing a hierarchical relationship between the sub-modules for the segmented sub-models according to a topological relationship; parameterizing the model based on a heat source geodesic calculation method to obtain a geodesic distance of a vertex in the model body; utilizing a linear interpolation method to calculate geodesic distance isolines for layering to carry out curved surface layering on the volume model; modeling is conducted on the printability of an additive nozzle and the machinability of a subtractive cutter in the additive and subtractive mixed manufacturing process, and corresponding evaluation standards are set; carrying out rapid calculation based on a light source projection method of a Gaussian ball, and solving to obtain an interference relation between the cutter shaft and the obstacle; and establishing a process planning problem model to obtain a planning process of the model.
Owner:BEIHANG UNIV

Composite manufacturing process of automobile roof material

The invention relates to the technical field of automobile roof manufacturing, in particular to an automobile roof material composite manufacturing process which comprises a workbench, a gluing roller set and an extrusion roller set, the workbench is used for laying non-woven fabric and comprises symmetrically-arranged main plates, and the opposite sides of the main plates on the two sides are provided with auxiliary plates hinged to the main plates; the gluing roller set is located above the auxiliary plate, the extrusion roller set is arranged below the auxiliary plate, the extrusion roller set and the gluing roller set are correspondingly arranged, the extrusion roller set comprises a first extrusion roller and a second extrusion roller, the first extrusion roller and the second extrusion roller are arranged in a relative rotation mode, and the PU plate and the coating layer are extruded and compounded through the first extrusion roller and the second extrusion roller to form a ceiling base material. Traditional manual stacking is replaced with an automatic means, accurate positioning and efficient compounding of multiple layers of materials are achieved, and therefore the production efficiency is improved, the good attaching degree between the layers of materials is guaranteed, and the stability of the product quality is guaranteed.
Owner:HUZHOU TOP AUTO PARTS CO LTD

Laser cladding precision forging machine shaft sleeve material and preparation method thereof

The invention belongs to the technical field of surface engineering, and relates to a laser cladding precision forging machine shaft sleeve material and a preparation method thereof. The functional layer alloy powder comprises the following components in percentage by mass: 2-5% of SiC powder and the balance of copper-based alloy powder; the copper-based alloy powder comprises the following components in percentage by mass: 5%-10% of Sn, 0.3%-0.5% of Si, 0.3%-0.5% of Mn, 0.5%-1.5% of Ni, 0.1%-0.6% of Fe, 8%-10% of Al, 0.01%-0.03% of Ce and the balance of copper. The copper alloy coating material is cladded on the inner surface of the shaft sleeve, so that the shaft sleeve has excellent buffering and energy absorbing effects, the coating has excellent wear resistance, and the tin-based babbitt metal coating is compounded on the surface through a spraying process, so that the shaft sleeve has excellent anti-attrition effect. The domestic precision forging machine shaft sleeve meeting the use requirements is produced through a composite manufacturing method combining a laser cladding process with a brush plating process and a high velocity oxy-fuel spraying process for the first time. And localization of imported spare parts is achieved, meanwhile, the production cost of enterprises can be reduced, and the method has profound significance in the industry.
Owner:SHENYANG CONTINENTAL LASER ENG TECH CO LTD

High-performance thermoplastic composite material box section structure and composite manufacturing process thereof

The invention provides a high-performance thermoplastic composite material box section structure and a composite manufacturing process thereof. The continuous fiber reinforced thermoplastic resin is used for preparing the box section structure for the first time, the box section structure can be guaranteed to have good impact strength while weight reduction is achieved, and a new thought is provided for preparation of the box section structure. Meanwhile, due to the characteristic that the thermoplastic resin can be repeatedly processed, the connection mode between the inner skin and the outer skin has multiple possibilities, the problems of complex laying, mutual connection and time consumption of repeated curing molding of thermosetting materials are solved, and the manufacturing efficiency is further improved.
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS +1

Device and method for compositely manufacturing metal component based on additive and subtractive materials assisted by pulse current

A device and method for compositely manufacturing a metal component based on additive and subtractive materials assisted by pulse current comprises an intelligent control system, and the intelligent control system regulates and controls work switching of an additive manufacturing module, a subtractive machining module and a pulse current auxiliary module and provides process guidance feedback for the additive manufacturing module, the subtractive machining module and the pulse current auxiliary module. On the basis of acquisition information of the surface temperature and the geometric dimension of a component, forming process parameters of additive manufacturing, a cutting strategy of subtractive machining and input of pulse current are adjusted in real time, a pulse current auxiliary module acts on the whole process of additive and subtractive alternate forming, and preheating and slow cooling functions are achieved in the additive manufacturing stage; the surface machinability is improved in the subtractive machining stage; the three-in-one ordered integration of the material increasing module, the material decreasing module and the pulse current processing module under the centralized control of the intelligent control system is realized, and the technical problems of metallurgical defect control, machining precision control and manufacturing cost control in the material increasing and decreasing forming period are solved.
Owner:XI AN JIAOTONG UNIV

A kind of impact-resistant wear-resistant copper plate material for laser composite manufacturing precision forging machine and its preparation method

The application belongs to copper alloy material for laser additive manufacturing, and particularly relates to a kind of copper plate material for laser composite manufacturing precision forging machine impact resistance wear resistance and preparation method thereof.Copper alloy material is added solid lubricant Ni-M O S2 and wear-resistant hard phase TiB2 copper-based alloy powder, including the following mass percentage components: Ni-M O S2 powder 1%-10%, TiB2 powder 5%-15%, the balance is copper-based alloy powder; Copper-based alloy powder is including the following mass percentage components: 5%-12% Ni, 9%-10% Sn, 4%-5% Fe, 0.2%-1% Al, 0.3%-0.8% Co, 1.2%-5.5% Ti, the balance is copper.The application is cladded after adopting coating material to the surface of base material, with excellent impact resistance, the wear and tear amount within the service life is equal to imported, but the overall manufacturing cost is far lower than imported copper plate;Using composite manufacturing method, while guaranteeing service life, it can reduce enterprise production cost.
Owner:SHENYANG CONTINENTAL LASER ENG TECH CO LTD

Titanium alloy reinforced blade leading edge thermal creep and diffusion bonding composite manufacturing method

A kind of composite manufacturing method of blade leading edge titanium alloy reinforcing edge hot creep and diffusion connection, titanium alloy reinforcing edge upper and lower thin-walled prefabricated parts are respectively prepared by the way of cutting plate material, titanium alloy reinforcing edge middle layer block prefabricated part is prepared by the way of cutting titanium alloy block material;After being assembled, the upper thin-walled prefabricated part, the core mold, the middle layer block prefabricated part and the lower thin-walled prefabricated part are arranged between the upper and lower molds, and the prefabricated part is bent and attached to the mold by cold pressing, and the titanium alloy reinforcing edge is obtained by composite forming after die closing.The composite method of hot creep and diffusion connection after piece cold pressing is used to process leading edge reinforcing edge once, which can significantly improve the forming efficiency and material utilization rate, shorten the processing cycle, and at the same time, the size precision and forming quality of reinforcing edge can be well controlled.
Owner:SHANGHAI JIAOTONG UNIV

Mold inspection for composite fabrication with AI quality control modules

A quality control system may include a controller configured to be communicatively coupled with a monitoring assembly including one or more detectors. The controller may implement two or more artificial intelligence quality control (AIQC) modules associated with two or more process steps for fabricating a composite material, where each of the two or more AIQC modules is associated with a different one of the two or more process steps. A particular AIQC module may receive monitoring data associated with the particular process step for a workpiece, generate quality control data using a particular AI model, and update the particular AI model based on testing data associated with the workpiece from one or more testing tools after at least the particular process step.
Owner:ROYAL ENGINEERED COMPOSITES INC

Ultrasonic detection and test block manufacturing method for additive and subtractive composite manufacturing component

The invention belongs to the technical field of nondestructive testing, and relates to an ultrasonic testing and test block manufacturing method for an additive and subtractive composite manufacturing component. According to the method, an additive and subtractive composite manufacturing component manufactured by an additive forming complex structure on a forge piece base body is taken as an object, and reference blocks for ultrasonic detection are manufactured aiming at a forging forming area, an additive / forging transition area and an additive forming distinguishing area respectively; and proper detection directions, sensitivity adjustment modes and the like are respectively selected according to the forming process and structural characteristics of each region, so that comprehensive detection of the internal defects of the additive and subtractive composite manufacturing component is realized. According to the method, the problem of inaccurate detection results caused by anisotropy and structure nonuniformity of the additive manufacturing material is solved, a comprehensive and effective detection means is provided for additive and subtractive composite manufacturing components through regional detection, and a guarantee is provided for improving the quality of additive manufacturing products.
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS

Additive and subtractive composite manufacturing equipment for manufacturing graded functional parts

This invention relates to an additive-subtractive composite manufacturing equipment for producing graded functional parts. The equipment comprises two powder feeder assemblies mounted on a process housing, with a laser output position located between them. A powder scraping mechanism and a moving mechanism are located at the upper end of the frame. The powder scraping mechanism is situated in the processing area on the upper table of the frame, and a worktable is housed within a worktable through-hole on the worktable surface. A sealed box is located within the frame, containing a worktable lifting mechanism. The worktable is raised and lowered via this mechanism. A flip-type powder guide sleeve is located on the underside of the powder feeder assembly closer to the moving mechanism, while a fixed powder guide sleeve is located on the underside of the powder feeder assembly furthest from the moving mechanism. After the flip-type powder guide sleeve is flipped open, a cutting device is driven by the moving mechanism to enter the area above the processing zone. This invention enables alternating additive and subtractive processes to complete the additive-subtractive composite machining of parts.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

A multifunctional additive-subtractive composite manufacturing device and method of use

A multifunctional additive-subtractive composite manufacturing apparatus and its method of use are disclosed. The apparatus includes a first-arm robot, a welding torch, a second-arm robot, an additive-subtractive composite processing mechanism, and an additive manufacturing substrate. The additive-subtractive composite processing mechanism includes a frame, three sets of hammer milling composite processing equipment, and two sets of equipment attitude adjustment components. The hammer milling composite processing equipment includes an outer protective cylinder, an elastic coil, an inner isolation cylinder, an iron core hammer rod, a milling drive motor, a quick tool changer, a hammer head, a milling cutter, an electrical control module, a buffer spring, a buffer washer, a hammer rod positioning screw, a laser displacement sensor, a shifting slip ring, and a cam paddle. This invention realizes the combination of additive, subtractive, and additive manufacturing processes, and can perform additive manufacturing of metal components with three-dimensional hammering composite processing, additive manufacturing with cold and hot hammering composite processing, and additive manufacturing with end-face hammering and side milling composite processing. It features good controllability, good processing uniformity, high processing accuracy, and high processing stability.
Owner:SHENYANG AEROSPACE UNIVERSITY

Component composite manufacturing system and method, electronic equipment, storage medium, computer product and component

The invention relates to the technical field of automation, and provides a part composite manufacturing system and method, electronic equipment, a storage medium, a computer product and a part, and the part composite manufacturing system comprises an additive manufacturing module, a subtractive manufacturing module, an ultrasonic rolling module and a control system; the additive manufacturing module is used for carrying out layer-by-layer deposition on the input metal material according to a design drawing through a directional energy deposition technology to obtain an initial part; the subtractive manufacturing module is used for cutting the initial part to obtain an intermediate part; the ultrasonic rolling module is used for carrying out ultrasonic rolling treatment on the middle part to obtain a target part; and the control system is used for performing coordinated control on the additive manufacturing module, the subtractive manufacturing module and the ultrasonic rolling module. Efficient, high-precision and high-mechanical-property manufacturing of complex structures can be achieved, the reliability and durability of manufactured parts are enhanced, and the manufacturing quality of the parts is further improved.
Owner:CRRC IND INST CO LTD