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161 results about "Rapid manufacturing" patented technology

Method for manufacturing titanium alloy through wire powder synergistic multi-mode laser coupling additive

The invention belongs to the technical field of laser processing, and particularly relates to a method for manufacturing a titanium alloy through wire powder coordinated multi-mode laser coupling additive manufacturing, and the method comprises the steps of base material pretreatment, multi-mode coupling laser construction, additive manufacturing, surface strengthening and the like. According to the titanium alloy part manufacturing device and method, material conveying is conducted in the mode that wire feeding and powder feeding are combined, structures with large areas in parts are rapidly manufactured through wire feeding, fine structures are manufactured through powder, and the titanium alloy parts can be efficiently manufactured in a high-precision mode. In the additive manufacturing step, multi-mode coupling annular laser is adopted, annular flat-topped pulse laser can accelerate flowing of a liquid phase before solidification, so that dendritic crystal arms formed through solidification in advance are broken to form new crystal nucleuses, then an equiaxed crystal structure is formed, and the strength and plasticity of the titanium alloy are improved. The annular flat-topped pulse laser can accelerate stirring of the molten pool, the heat mass conveying rate in the molten pool is increased, the element segregation phenomenon is relieved, and finally a uniform and stable titanium alloy structure is obtained.
Owner:HUAZHONG UNIV OF SCI & TECH

Method for preparing powder high-speed steel billet, powder high-speed steel billet and application

The invention discloses a method for preparing a powder high-speed steel billet, the powder high-speed steel billet and application, and relates to the technical field of advanced manufacturing of metal materials. The powder high-speed steel billet is prepared through the high-frequency induction hot pressing sintering method, rapid manufacturing of the powder high-speed steel billet can be achieved, and the performance of the obtained product can reach the product level of traditional hot isostatic pressing sintering. And compared with a traditional hot isostatic pressing preparation method, the technological process is simple, the period is short, preparation of a sheath is avoided, the cost can be reduced, and the safety can be improved. The density of the prepared powder high-speed steel can reach 98.5%, the microhardness reaches 365 Hv, the tensile strength and the yield strength reach 723 MPa and 687 MPa correspondingly, short-process and low-cost preparation of the powder high-speed steel billet can be achieved, and the obtained powder high-speed steel billet can be used for manufacturing hardware knives and scissors, mechanical molds and the like.
Owner:GUANGDONG INST OF NEW MATERIALS

Rapid manufacturing method for ship sections

The invention relates to the technical field of ship manufacturing, and discloses a rapid manufacturing method for ship segments. The method comprises the following steps: S1, carrying out module division according to ship body design requirements, and dividing a ship body into a plurality of sections through a modular design method; s2, establishing a segmented digital twinborn model, wherein the digital twinborn model comprises segmented geometric information, structural stress information and process information; and S3, based on the digital twin model, performing segmented manufacturing, and performing module processing by using a numerical control cutting and self-adaptive welding technology. By adopting the multi-objective optimization technical scheme of module division, the technical effects of reasonable module division and reduced welding workload are achieved by dynamically optimizing the total length of the welding seam, the manufacturing complexity and the structural strength deviation. Compared with the problems that in the prior art, module division depends on artificial experience, the number of welding seams is large, and stress distribution is uneven, the defects that module division efficiency is low, and assembly errors are large are overcome.
Owner:刘浩

Rapid manufacturing, mounting and pouring method for underwater temporary concrete cofferdam formwork

The invention provides an underwater temporary concrete cofferdam formwork rapid manufacturing, mounting and pouring method which comprises the following steps that bin division is conducted in the length direction of an underwater concrete cofferdam, independent pier bin positions and permeable formwork bin positions which are sequentially and alternately distributed are included, and the adjacent independent pier bin positions and permeable formwork bin positions are connected together; firstly, independent pier bin positions are constructed, and a plurality of independent piers arranged at intervals are formed; then, after the two adjacent independent pier bin positions are connected together through the water-permeable formwork bin positions, concrete is poured into the water-permeable formwork bin positions; and concrete in the areas of the independent piers and the permeable formworks is cured, after curing is conducted to a set degree, the bin position formworks of the independent piers are dismantled, and concrete cofferdam construction is completed. According to the method, the construction efficiency is greatly improved, the construction safety and stability are guaranteed, and the construction period is effectively shortened.
Owner:SINOHYDRO BUREAU 11 CO LTD

Radiation-curable composition for use in a rapid prototyping process or a rapid manufacturing process

Polymerizable, radiation-curable compositions are provided and comprise (i) monomers and (ii) at least one further component, wherein the (i) monomers comprise (a) at least one urethane (meth)acrylate that is at least difunctional, (b) at least one monofunctional acrylate having an alicyclic group and / or at least one monofunctional methacrylate having an alicyclic group, and (ii) the at least one further component comprises (c) at least one photoinitiator for the UV and / or visible range or a photoinitiator system for the UV and / or visible range. The compositions are usable for producing, via a rapid prototyping, manufacturing, or tooling process, dental prosthetic parts, orthopaedic instruments, or dental pre-forms that have a flexural strength of greater than or equal to 75 MPa, a modulus of elasticity of greater than or equal to 2600 MPa, and / or a water absorption of less than 45 [μg / mm3].
Owner:HERAEUS KULZER GMBH

Rapid manufacturing and assembling device for electric power stay wire

The utility model discloses an electric power stay wire rapid manufacturing and assembling device which comprises a mounting base and a steel strand, a limiting sliding groove is formed in the mounting base, a stay wire wheel is arranged above the limiting sliding groove, an arc-shaped cover plate is arranged on one side of the top of the stay wire wheel, a first ring groove is formed in the outer side of the stay wire wheel, and a limiting sliding block is arranged in the limiting sliding groove. The steel strand pulling device has the advantages that the steel strand pulling device is small in size and convenient to carry, accordingly, steel strand pulling manufacturing can be conveniently carried out outdoors, the threaded rod is driven by the motor to rotate, and the steel strand pulling device is convenient to use, high in practicability and high in practicability. And a limiting rotating bolt rotates in a limiting rotating opening, so that when the steel strand is pushed, a rotating wheel drives the second annular groove, the friction condition is avoided, and stay wires are conveniently manufactured.
Owner:JIANGSU NENGBITA NEW ENERGY TECH CO LTD

A plate heat exchanger for drilling mud cooling test

The application discloses a plate heat exchanger for drilling mud cooling test, which comprises a front end plate assembly, a rear end plate assembly and a heat exchange plate assembly arranged between the two; the front end plate assembly, the heat exchange plate assembly and the rear end plate assembly are sequentially and tightly connected; the application is beneficial to modular design; the core function area of the reconfigurable plate can be customized and designed independently of the main body frame, the sealing and the connecting structure of the plate; in combination with 3D printing technology, the plate with different internal topological structures can be quickly manufactured and replaced according to specific experimental conditions and innovative ideas, flexible and quick switching of experimental configuration is realized, the research and development iteration cycle of the heat exchanger for mud cooling is greatly shortened, meanwhile, the drilling mud and the refrigerant obtain more uniform flow velocity distribution in the flow channel of the heat exchanger, and local heat transfer efficiency distortion caused by uneven fluid distribution is fundamentally avoided.
Owner:JILIN UNIVERSITY

Scalable method of fabricating high-quality transition metal chalcogenide materials

PCT designated stage expiredWO2025042778A1Polycrystalline material growthVacuum evaporation coatingPhotoelectrochemical cellElectrical battery
Improved fabrication of chalcogenide structures is provided by reacting a chalcogen gas with a transition metal structure. Optionally, the transition metal structure could be patterned before the reaction, which would result in a similarly patterned chalcogenide structure. In one example, we demonstrated rapid fabrication of multi-atomic layer WSe2 with good material quality. Such chalcogenides have various applications for optoelectronic devices, such as solar cells and photoelectrochemical cells.
Owner:THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV

Method for making a see-through car model

The application discloses a Seethrough automobile model manufacturing method, and belongs to the technical field of automobile model design and manufacturing, and specifically relates to a Seethrough automobile model manufacturing method, which comprises the following steps: Step 1: data processing and structure design, skeleton processing, blank preparation, automobile body prototype and rapid forming part manufacturing are carried out through CAM and CNC technologies to meet the requirements of curved surface processing and precision, Step 2: blank preparation and skeleton manufacturing, skeleton processing, blank preparation, automobile body prototype and rapid forming part manufacturing are carried out through CAM and CNC technologies to meet the requirements of curved surface processing and precision, Step 3: interior and exterior trim rapid part manufacturing, Step 4: assembly adjustment, assembly adjustment is carried out in the assembly adjustment stage, detection and adjustment are carried out through CAQ technology, Step 5: surface treatment, Step 6: light effect programming and debugging, and Step 7: overall assembly, rapid manufacturing of a high-simulation and multi-functional comprehensive automobile model is realized, the CAD software and the CAM and CNC technologies are used, adaptive adjustment is carried out according to the change of data, and stable connection and integration with other management information systems are realized.
Owner:CHONGQING E-HAND MODEL TECH CO LTD

Electrochemical metal 3D printing device based on meniscus confinement electrodeposition

The invention discloses an electrochemical metal 3D printing device based on meniscus confinement electrodeposition, a micro pipette is a metal salt electrolyte supply part and is fixed at the bottom of a micro pipette holder, an anode bar is arranged at the top of the micro pipette holder, the lower end of the anode bar is connected with a platinum anode wire, and the platinum anode wire is arranged in the micro pipette; the micro pipette holder is detachably connected with a mechanical clamping jaw at the tail end of the six-degree-of-freedom mechanical arm; the cathode substrate is fixed on the surface of a right-angle adapter plate connected with the three-axis displacement platform; the anode bar is electrically connected with the anode of the power supply, and the cathode substrate and the cathode of the power supply are electrically connected with two electrodes of the ampere meter respectively. The computer adjusts the angle formed by the axis of the micro pipette and the normal of the plane of the cathode substrate in real time through a preset program; a meniscus is formed between the tip of the micro pipette and the cathode substrate, metal ions in the electrolyte are reduced into elemental metal to be attached to the cathode substrate under the driving of voltage, and rapid manufacturing of a complex three-dimensional metal structure can be completed.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY

Cutting method of silicon carbide wafer

The invention discloses a silicon carbide wafer cutting method which comprises the following steps: cutting a crystal bar to obtain a plurality of to-be-ground wafers with the same thickness; grinding the front surface and the back surface of the to-be-ground wafer to obtain a ground wafer; and performing laser cutting and stripping on the grinding wafer to obtain two target wafers. In the technical scheme, the crystal bar is cut to obtain the to-be-ground wafer, then the surface of the to-be-ground wafer is ground to obtain the ground wafer so as to avoid the warping problem of the silicon carbide wafer, and finally, the ground wafer is cut and stripped by the laser to obtain the target wafer so as to ensure the rapid manufacturing of the silicon carbide wafer. The silicon carbide wafer can be quickly obtained through the first step to the third step, so that the manufacturing efficiency of the silicon carbide wafer is greatly improved.
Owner:BEIJING TIANKE HEDA SEMICON CO LTD +1

Three-dimensional printing of glass micro-optics

The present invention features a liquid, solvent-free, silica precursor and two-photon 3D printing process to meet the increasing needs of high-precision glass micro-optics and address the major limitations of current three-dimensional (3D) printing optics. The printed optical elements may be fully converted to transparent inorganic glass at temperatures as low as 600° C. with shrinkages as low as 17%. The present invention includes a complete process chain, from material development, printing process, and performance evaluation of the printed glass micro-optics. 3D printing of glass micro-optics with isotropic shrinkage, micrometer resolution, low deviation peak-to-valley value (<100 nm), and low surface roughness (<6 nm) has been demonstrated. The present invention enables the rapid fabrication of complex glass micro-optics previously impossible using conventional glass optics fabrication processes.
Owner:THE ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIV OF ARIZONA

High-energy solid propellant additive manufacturing method based on adhesive spraying

The invention relates to the technical field of high-energy solid propellant additive manufacturing, and particularly discloses a high-energy solid propellant additive manufacturing method based on adhesive spraying, which comprises the following steps: uniformly mixing a metal fuel component and an oxidant component to obtain uniformly dispersed solid particles; uniformly mixing the adhesive components to obtain an adhesive system; flatly paving the solid particles in a powder supply cylinder of the adhesive jet printer; loading the adhesive system into an extrusion device of an adhesive jet printer; a solid propellant grain model is designed according to computer software, and a printing file is obtained through software slicing; the adhesive jet printer jets an adhesive system layer by layer according to a printing file path to form a printing sample piece; and the printing sample piece is placed in a drying oven to be cross-linked and cured, and the high-energy solid propellant grain is obtained. The method can realize support-free rapid manufacturing of the high-energy solid propellant at room temperature.
Owner:HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY

A method, device and equipment for testing and verifying an engine air passage

The embodiment of the application discloses a kind of test verification method, device and equipment of engine air passage, obtain the casting model of engine cylinder cover, and input to the casting simulation software to obtain the deformation condition of casting model.According to the deformation condition, obtain the correction model of engine cylinder cover, and print the engine air passage entity model in engine cylinder cover correction model using selective laser sintering printing technology.The entity parameter of entity model is obtained and compared with design parameter.When the comparison result is that entity parameter is inconsistent with design parameter, the casting process of casting model is adjusted according to the result to adjust the casting model or adjust the engine cylinder cover correction model.The application predicts the deformation condition of cylinder cover casting process based on casting simulation software, and can quickly test the performance index of air passage while ensuring the consistency of size through printing technology, improve the accuracy and efficiency of air passage development.
Owner:WEICHAI POWER CO LTD

Advanced packaging RDL additive manufacturing method based on electric field driving spray deposition

The invention relates to the technical field of additive manufacturing, in particular to an advanced packaging RDL additive manufacturing method based on electric field driving spray deposition, and adopts an electric field driving spray deposition micro-nano 3D printing technology. Successively printing a first dielectric layer and a first circuit pattern layer formed by printing conductive paste on the substrate according to a set printing mode and process parameters; the method comprises the following steps: firstly printing a first dielectric layer, then continuously printing a second dielectric layer, punching the second dielectric layer, filling holes with conductive slurry to realize inter-layer circuit interconnection, then printing a second circuit pattern formed by printing the conductive slurry, and repeating the steps of printing the dielectric layer and the circuit pattern and the steps of punching and filling holes so as to complete the preparation of the multilayer RDL; according to the method, integrated rapid manufacturing of the multi-layer rewiring structure is achieved through direct printing and interlayer interconnection of the dielectric layers and the high-precision wires, the problems that a traditional RDL technology is complex, long in period and poor in flexibility are solved, particularly, the method has unique advantages in the design verification stage, and rapid prototype verification of the RDL can be achieved.
Owner:QINGDAO UNIV OF TECH

Forming method for rapidly manufacturing large-size rectangular frame

The invention discloses a forming method for rapidly manufacturing a large-size rectangular frame, and belongs to the technical field of forging. The problems that in the prior art, a large-size rectangular frame is large in forming material consumption and difficult to form are solved. The method comprises the following steps: determining a blank according to the theoretical weight of a rectangular frame final forge piece; carrying out cake upsetting on the heated blank to form a cake blank; carrying out saddle chambering operation on the heated punched cake blank to form a chambering cake blank; carrying out ring rolling operation on the heated chambering cake blank to form a ring-rolled cake blank; the square saddle penetrates through an inner hole of the scribed line cake blank, the upper die of the V-shaped groove presses downwards towards the square saddle, the scribed line cake blank is bent and flattened, and a rectangular frame final forge piece is formed. The forming method for rapidly manufacturing the large-size rectangular frame is used for manufacturing the large-size rectangular frame, and a composite manufacturing process that ring rolling and rapid chambering are matched with special tool die forging is adopted, the large-size rectangular frame is accurately and rapidly manufactured and formed, material consumption is greatly reduced, and the using performance of the whole piece is improved.
Owner:CHONGQING UNIV +1

Mahjong cleaning wheel and mahjong cleaning device

The utility model relates to a mahjong cleaning wheel and a mahjong cleaning device, the mahjong cleaning wheel is characterized by comprising a rotating disc and a soft brush body, and the soft brush body is arranged on the end face of one end of the rotating disc. A mahjong cleaning device with the mahjong cleaning wheel is characterized by comprising the mahjong cleaning wheel, a rotary driving mechanism and a mahjong conveying mechanism, the mahjong cleaning wheel is arranged on a power output shaft of the rotary driving mechanism, and the rotary driving mechanism is arranged beside the conveying direction of the mahjong conveying mechanism. And the soft brush body on the mahjong cleaning wheel faces the mahjong conveying mechanism. The mahjong cleaning wheel adopts a very reasonable structural design, so that consumables can be greatly reduced under the condition of meeting brushing, the manufacturing difficulty can be reduced, and the mahjong cleaning wheel has the advantages of being low in resource consumption, low in manufacturing cost, beneficial to rapid manufacturing, low in use and maintenance cost and the like; the mahjong cleaning device has the advantages of being high in cleaning quality, low in use and maintenance cost, high in applicability and the like.
Owner:吴志传 +1

Assembling structure mass block for gravity energy storage and rapid manufacturing method thereof

The invention discloses an assembled structure mass block for gravity energy storage and a rapid manufacturing method of the assembled structure mass block. The assembled structure mass block comprises a reinforced concrete bottom plate, an assembled balancing weight, an extending rib, a wear-resistant cushion layer and a limiting concrete pouring column. A wear-resisting cushion layer is embedded in the friction acting surface of a reinforced concrete bottom plate, a plurality of layers of spliced balancing weights are evenly distributed on the upper surface of the wear-resisting cushion layer in a matrix horizontal overlapping mode, the appearance of each spliced balancing weight is in a polygonal inwards-concave shape, and every two adjacent spliced balancing weights can mutually form a hollow interface. Extending ribs are vertically arranged on the upper surface of the reinforced concrete bottom plate relative to the positions of all the hollow connecting faces, all the limiting concrete pouring columns are formed by pouring the hollow connecting faces to the overlapping height of the splicing balancing weights through concrete, and the parts, higher than the overlapping height of the splicing balancing weights, of the extending ribs are set as weight adjusting and balancing weight areas. And the assembled structure mass block is obtained after maintenance, weighing and weight adjustment. By adopting the baking-free brick technology, the production efficiency is improved.
Owner:CHINA TIANYING +1

A method of manufacturing a structural conforming FBG sensor array

ActiveCN120572743BGratingComputer printing
The application discloses a kind of manufacturing methods of structural conformal FBG sensing array, it is related to 3D printing and fiber sensing technical field, the method includes: FBG material is loaded into printing needle tube and is fixed on the mechanical arm of five-axis printer;Viscous film is laid on the motion platform of five-axis printer, start five-axis printer and print FBG material on platform surface according to pre-designed path, and control the rotation parameter of motion platform in the printing process, to increase the bending angle of FBG material when printing grating area;The translation parameter of mechanical arm is controlled simultaneously, so that the distance between needle and viscous film in vertical direction is greater than minimum preset distance;The method is based on determining the minimum preset distance between needle and platform when printing, the minimum bending radius of array bending part on viscous film, realizes the plane or curved surface manufacturing of FBG using five-axis printer, with the advantages of low cost, high efficiency, high manufacturing precision, suitable for large-scale sensing array rapid manufacturing.
Owner:JIANGNAN UNIV

Simple and rapid manufacturing method of large-area transfer-free graphene field effect transistor biosensor

The invention belongs to the technical field of field effect transistor biosensors, and discloses a simple and rapid manufacturing method of a large-area transfer-free graphene field effect transistor biosensor. The method comprises the following steps: preparing a graphene oxide film, performing hydrazine chemical reduction at 100 DEG C and one-step thermal annealing process at 200 DEG C to obtain a reduced graphene oxide film, depositing source and drain electrodes on the reduced graphene oxide film, and fixing a test cell to obtain a device for testing. The size of the RGO film can reach 4 * 4 cm < 2 > or even larger, the transfer process is omitted, and the RGO film can be directly prepared on a substrate. The device is simple and rapid in preparation process, high in economic benefit, mild in reduction process and beneficial to subsequent application on a flexible substrate. The result shows that the graphene with high carrier mobility is combined with the field effect transistor with the self-amplification effect, and high-sensitivity and rapid response can be generated to the concentration change of potassium ions.
Owner:DALIAN UNIV OF TECH

High-strength ceramic-based composite material as well as preparation method and application thereof

The invention provides a high-strength ceramic-based composite material as well as a preparation method and application thereof. The high-strength ceramic-based composite material comprises the following components in percentage by weight: 65% of aluminum oxide ceramic; 15%-20% of a carbon fiber reinforced phase; 18% to 20% of a SiO2-CaO-Na2O binding phase; 1% of a dispersant; in this way, the tensile strength and fracture toughness of the composite material are improved, the technical problem that a traditional ceramic pull-up type 3D printing piece is prone to brittle fracture is solved, the geometric accuracy in the pull-up type 3D printing process is ensured, it is ensured that the composite material has good fluidity and forming quality in the pull-up type 3D printing process, and the quality of the composite material is improved. Deformation and breakage caused by gravity are avoided, the service life of the 3D printing product is prolonged, the working reliability of the 3D printing product is improved, and a high-quality solution is provided for rapid manufacturing of the high-strength and high-precision 3D printing product.
Owner:苏州芯合半导体材料有限公司

Metal-nanoparticle-free surface-enhanced raman scattering substrate, and a method of manufacturing the same

The present invention provides a metal-nanoparticle-free surface-enhanced Raman scattering substrate, which comprises: an anodic aluminum oxide substrate with three-dimensional cavities, and a metal nano-film on the anodic aluminum oxide substrate. The surface-enhanced Raman scattering substrate of the present invention does not need to use metal nanoparticles, but instead uses a structure of metal nanofilm to generate a surface plasmonic resonance. Therefore, compared with the traditional surface-enhanced Raman scattering substrate with an addition of metal nanoparticles, the surface-enhanced Raman scattering substrate of the present invention has better uniformity, stability and reproducibility. The present invention utilizes an anodic aluminum oxide substrate with three-dimensional cavities, so that the surface-enhanced Raman scattering substrate has high sensitivity, high stability, and high reproducibility. The present invention also provides a method of manufacturing the substrate with simple procedure, which allows a rapid manufacturing process and makes the surface-enhanced Raman scattering substrate with three-dimensional cavities.
Owner:NAT CHENG KUNG UNIV

Rapid manufacturing device for reinforcing steel bar reinforcing ring

The utility model discloses a steel bar reinforcing ring rapid manufacturing device which comprises a protective ring, a bearing is arranged in the center of the protective ring, a plurality of reinforcing steel plates are arranged between the bearing and the inner wall of the protective ring, the two ends of each reinforcing steel plate are fixed to the outer wall of the bearing and the inner wall of the protective ring respectively, and a connecting shaft is arranged in an inner ring of the bearing. The end, extending out of the bearing, of the connecting shaft is connected with a supporting rod, the protective ring is located between the supporting rods, the supporting rods are provided with idler wheels capable of rotating around the axes of the idler wheels, and the idler wheels are located outside the protective ring and close to the outer wall of the protective ring. According to the scheme, reinforcing steel bars needing to be bent can penetrate through the space between the protective ring and the rolling wheel and are attached to the protective ring, the reinforcing steel bars form an annular structure along with rotation of the protective ring and the rolling wheel, the overall construction efficiency is high, meanwhile, small parts on the protective ring can be utilized, so that the hoop is wound and does not disengage from a disc, and the hook length and the bending angle are effectively controlled.
Owner:CHINA MCC 2 GRP CO LTD

Rapid manufacturing equipment for foam sleeve mold

The utility model belongs to the technical field of mold manufacturing equipment, particularly relates to rapid manufacturing equipment for a foam sleeve mold, and aims to solve the problems that the engraving precision is influenced due to the fact that foam materials are light and are easy to deviate when being directly placed on a machining table of a numerical control engraving machine, and scraps are not cleaned in time in the engraving process. According to the technical scheme, the numerical control carving machine comprises a numerical control carving machine body, a carving table used for containing an original part to be machined and a carving tool bit used for carving the original part to be machined are installed on the numerical control carving machine body, and a fixing assembly is arranged on the carving table and used for clamping and fixing the original part to be machined. Therefore, the foam original piece is prevented from being directly placed on the engraving table and easily deviated. When the engraving machine is used, the fixing assembly can ensure the stability of an original part to be machined in the engraving process, and the machining precision is improved; and the cooling and scrap removing assembly can effectively wash away scraps and reduce the temperature of the carving tool bit, and the service life of the carving tool bit is prolonged.
Owner:CHENGDU PARKSON MOLD CO LTD

Artificial feathers made of composite material for shuttlecocks

We provide artificial shuttlecock feathers made from composite materials that offer the advantages of rapid manufacturing, a robust structure, and reduced consumption of natural resources. [Solution] The present invention provides a composite material artificial feather for shuttlecocks, the structure comprising a main shaft manufactured from a first plastic injection molded material and a feather valve manufactured from a second plastic injection molded material, wherein the density of the first plastic injection molded material is greater than that of the second plastic injection molded material, the feather valve covers the outside of the main shaft and has a plurality of grooves on its front surface and a flat surface on its back surface, the composite material artificial feather for shuttlecocks of the present invention is manufactured by overmolding or embedded injection molding technology, the main shaft manufactured from the first plastic injection molded material can provide sufficient structural strength, and the feather valve manufactured from the second plastic injection molded material can reduce the weight of the artificial feather.
Owner:KAIJUN IND CO LTD

Determining short circuit of frequency control line and method for manufacturing transmission line

PendingCN122094403AShort circuit judgmentlower resistanceGround planeMaterials science
This application discloses a method for determining whether a frequency control line is short-circuited and its application in manufacturing transmission lines, belonging to the field of superconducting quantum chip manufacturing. The method for manufacturing the transmission line includes: providing a substrate having a substrate and a conductive layer, wherein the conductive layer provides a ground plane for the superconducting quantum chip, and the conductive layer also has a window exposing the substrate; forming a conductive line in the window, having a control end close to the superconducting quantum bit and a distal end far from the control end, the distal end being disconnected from the ground plane through a gap; and, under the condition that the conductive line is determined to be disconnected from the ground plane, electrically connecting the distal end to the ground plane. This method enables rapid manufacturing of transmission lines and determination of whether a frequency control line is short-circuited.
Owner:ORIGIN QUANTUM COMPUTING TECH (HEFEI) CO LTD

Radiation curable compositions for rapid prototyping or rapid manufacturing

The present invention relates to a polymerizable, radiation-curable, in particular UV / Vis-, UV- or Vis-curable composition comprising (i) monomers, wherein the monomers comprise (a.1) at least one triacrylate derived from 1,3,5-tris(ω-hydroxyalkyl)isocyanurate, wherein the hydroxyalkyl group comprises 1 to 8 carbon atoms and may be linear, branched and / or cyclic, and (a.2) at least one difunctional monomer which is not a urethane (meth)acrylate, and (ii) at least one further component comprising at least one photoinitiator for the UV and / or Vis region or a photoinitiator system for the UV and / or Vis region. Furthermore, the present invention relates to a preform in the form of a three-dimensional molded body of the polymerized composition, in particular of the radiation-cured composition, for producing a dental restorative part, an orthopedic appliance or a dental preform, and to the use of the composition for producing a dental restorative part, an orthopedic appliance or a dental preform in a rapid prototyping process or in a rapid manufacturing or rapid tooling process.
Owner:GUSA CO LTD

Flexible multifunctional energetic fiber and its rapid manufacturing method

The application discloses a flexible multifunctional energetic fiber and a rapid manufacturing method thereof, the energetic fiber is laid on a target surface of a complex curved surface by 3D printing, the energetic fiber comprises a plurality of energetic units, the energetic units are connected by energetic sheets and energetic filaments, the energetic sheet is a combination of a titanium mesh and a desensitizing oxide, and the energetic filament is a titanium filament. The manufacturing method comprises the following steps: manufacturing the energetic sheet; combining the energetic sheets and the energetic filaments into the energetic fiber; and laying the energetic fiber on the target surface of the complex curved surface. The application can realize the continuous 3D printing manufacturing of the energetic fiber integrated by the energetic units on the surface of any complex curved surface, and thus rapid large-area synchronous ignition can be realized on any target needing to be burned or providing a heat source.
Owner:BEIHANG UNIV

Method for manufacturing an optical modulation device

The present invention provides a method for manufacturing a light modulation device, the method including the step of attaching a first substrate having a glue layer or an adhesive layer formed on a first surface and a second substrate having a spacer and a liquid crystal alignment film formed on a first surface while being transported by a roller, wherein the first substrate and the second substrate are attached such that each first surface faces each other. Accordingly, the present invention can provide a so-called roll-to-roll process, whereby a light modulation device having excellent adhesion between two substrates can be rapidly manufactured while achieving a desired alignment state (e.g., a liquid crystal alignment state) of a light modulation layer.
Owner:LG CHEM LTD

Manufacturing method of sample loading clamp for thermal simulation testing machine

The invention relates to a manufacturing method of a sample loading clamp for a thermal simulation testing machine. The manufacturing method comprises the following steps: 1) respectively wrapping a cylindrical material I, a cylindrical material II and a round bar material by using an isolation material belt; (2) the first cylindrical material, the round bar material and the second cylindrical material are stacked on a mold base; 3) placing an isolation material plate and a mold; 4) adding inlay powder into the semi-annular cavity; (5) the inlaid powder in the semi-annular cavity is compacted; 6) placing a mold cover on the top of the mold; (7) pressurizing, heating and preserving heat; 8) cooling and removing the pressure; 9, the mold cores are taken out, and the two sample loading clamps for the thermal simulation testing machine are obtained.The sample loading clamps used for installing samples on the thermal simulation testing machine are rapidly manufactured through an inlaying method, and the sample loading clamps are simple in structure, convenient to use, high in manufacturing precision, high in centering performance, capable of being repeatedly used and beneficial to improving the thermal simulation testing efficiency.
Owner:ANGANG STEEL CO LTD