780results about "Additive manufacturing processes" patented technology

Provided is an integrated probe pin that includes an upper plunger having a first tip adapted to come into contact with a circuit to be inspected to transmit and receive electrical signals to and from the circuit to be inspected; a lower plunger having a second tip adapted to come into contact with an inspection circuit to transmit and receive the electrical signals to and from the inspection circuit; and an elastic part located between the upper plunger and the lower plunger to elastically support the upper plunger and the lower plunger, wherein the upper plunger, the lower plunger, and the elastic part are manufactured as an integral body using 3D printing and made of one or more metal materials.

The invention provides an all-solid-state battery three-dimensional electrode preparation method based on aerosol jet printing, and the method comprises the following steps: constructing a three-dimensional porous frame by using a conductive skeleton material through an aerosol jet printing technology; depositing an active material and a solid electrolyte on the surface of the frame layer by layer to form a gradient distribution layer; generating an interface transition layer by adopting ultraviolet curing or rapid heat treatment; and in combination with a closed-loop feedback control system, deposition parameters are dynamically adjusted. A conductive active material and a solid electrolyte are uniformly distributed on the surface of a three-dimensional porous framework in a layer-by-layer deposition manner through an aerosol jet printing method, and the solid electrolyte and an electrode material form a close contact interface by accurately controlling a jet path, a nozzle diameter and a material deposition rate; the interface side reaction easily caused by traditional high-temperature sintering is eliminated, and the interface impedance is reduced; and furthermore, the transmission efficiency of the lithium ions at the interface is improved through an ultraviolet curing or rapid heat treatment process.

A user support includes a hood structure that is supported by a back frame structure of the user support. The hood structure may comprise a one-piece homogeneous polymer structure that is formed by an additive process. The hood structure may include solid structures and at least one porous lattice matrix that is integrally formed with the solid structures.

In an aspect, a method for additive manufacture of a three-dimensional object based on a computational model comprises steps of: grayscale photohardening a precursor material to form a portion of the object; and applying a hardened meniscus coating at a feature of the object; wherein the three-dimensional object is formed via at least the combination of the steps of gray scale photohardening and applying the meniscus coating. In some embodiments, the grayscale photohardening step is a grayscale photopolymerization step. In some embodiments, the applying a hardened meniscus coating step is a meniscus equilibrium post-curing step.

The invention discloses eyelash cutting equipment and a manufacturing process, and relates to the field of eyelash processing technology.The eyelash cutting equipment comprises a rack, a printing platform, a laser printer and a feeding wheel, the feeding wheel, the printing platform and the laser printer are all located at the upper end of the rack, and the printing platform is located between the laser printer and the rack; a shaping device is arranged at the upper end of the rack and used for shaping materials, a separating device is arranged at the upper end of the rack and used for separating the shaped materials, a supporting plate is arranged on the side, away from the feeding wheel, of the printing platform, the supporting plate is arranged in the length direction of the printing platform, and a residual piece collecting roll and a base plate collecting roll are rotationally connected to the supporting plate. The residual piece receiving roll and the base plate receiving roll are both arranged perpendicular to the supporting plate, the residual piece receiving roll is located between the base plate receiving roll and the feeding wheel, the outer sides of the residual piece receiving roll and the base plate receiving roll are provided with adhesive tapes easy to tear in the axial direction, and a driving device is arranged on the supporting plate. The eyelash production device has the effect of improving the eyelash production efficiency.

The invention relates to the technical field of false tooth machining, and provides false tooth 3D printing forming equipment and a false tooth machining method.The false tooth 3D printing forming equipment comprises a feeding system and a forming system and further comprises a printing box, a printing frame, a printing position adjusting mechanism with a self-locking function, a hollow material carrying plate, a material taking power assembly and a preheating assembly; a processing box door is detachably arranged on one side of the printing box in a sealed mode, the printing frame is arranged on the inner bottom wall of the printing box, the feeding system is installed on the printing frame, the printing position adjusting mechanism is installed on the printing frame, the forming system is installed on the printing frame and communicates with the feeding system, and the hollow material carrying plate is arranged on the printing frame in a sliding mode. A material taking baffle is arranged on one side of the hollow material carrying plate. By means of the technical scheme, the problem that in the prior art, when false teeth are machined through false tooth 3D printing forming equipment, the false teeth are heated unevenly, and consequently the false teeth deform is solved.

The invention discloses a preparation method of a programmable soft robot. The preparation method comprises the following steps: mixing magnetic particles, Ecoflex, PDMS and a curing agent according to a certain mass ratio, and stirring to obtain a magnetic response soft material; preparing a male mold and a female mold, assembling to form a preparation mold, and curing the magnetic response soft material in the preparation mold to obtain the soft robot; the solidified magnetic response material is magnetized and heated at the same time, and the programmable soft-bodied robot is obtained; and after cooling to the room temperature, opening the preparation mold, and taking out the programmable soft robot. The invention further discloses the programmable soft-bodied robot and a preparation mold of the programmable soft-bodied robot. The process is simple, the manufacturing cost is low, a programmable three-dimensional magnetic domain distribution structure is rapidly achieved through an in-situ heat-assisted magnetizing method, magnetic domain distribution is accurately controlled, the programmable soft robot has the multi-mode movement capacity and can execute transportation tasks in the liquid environment, and directional operation and accurate control are achieved.

An electric component having electric coils, the component formed by 3D printing of at least three different 3D-printed materials with spatial distributions yielding open magnetic circuit configuration of one of the electric coils. The electric component having a bulk formed by non-magnetic and dielectric 3D printed material; and an electric coil of the open magnetic circuit configuration, 3D-printed in the bulk. A magnetic channel of magnetic material 3D-printed in the bulk forming magnetic core of the electric coil; and an electric channel forming an inductor of the electric coil having conductive material 3D-printed in the bulk with a coil / helical geometry having electrically connected conductive windings arranged to circumference the magnetic channel, which is configured and operable with the open magnetic circuit configuration and has magnetic material occupying a central region of the coil / helical geometry of the inductor while not enclosing the windings with a closed loop of the magnetic material.

The invention discloses a preparation method of a customizable nuclide hydrogel applicator. The preparation method comprises the following steps: acquiring an image of a focus part; performing three-dimensional modeling on the focus according to the image; the three-dimensional model of the focus is sliced, and a mold matched with the focus in shape is printed through a 3D printer; and adding the nuclide solution and the hydrogel precursor solution into a mold, carrying out illumination curing, taking out the hydrogel applicator, and packaging the hydrogel applicator between two layers of transparent adhesive tapes. According to the application, the nuclide hydrogel applicator matched with the focus part can be customized according to different shapes of focuses, and the treatment effect can be improved. And compared with the tedious process of preparing the applicator by mainly depicting the shape of a focus by medical staff in clinical application at present, the preparation method disclosed by the invention is safer, more efficient and higher in shape adaptability.

The utility model discloses a 3D (three-dimensional) printing integrated manufacturing device, which is characterized in that a printing switching driving mechanism is used for switching a material attached in a material containing groove in a working state through a printing switching driving mechanism to form a forming curing layer through photocuring, so that different surface models of an integrated carrying platform can be constructed, namely, different working surfaces of 3D components can be subjected to 3D printing. And integrated and one-time printing construction is realized.

The invention provides a negative Poisson's ratio lattice-carbon fiber bundle synergistically reinforced composite structure and a preparation method, and belongs to the technical field of new energy automobile impact protection structures. The negative Poisson's ratio lattice-carbon fiber bundle synergistically-reinforced composite structure is characterized in that a negative Poisson's ratio lattice is composed of a plurality of concave negative Poisson's ratio cell elements, in each concave negative Poisson's ratio cell element, two horizontal cell walls and four inclined cell walls form a closed concave hexagonal structure, and the left side and the right side of the outer portion of each concave hexagonal structure are respectively provided with a negative Poisson's ratio lattice and a negative Poisson's ratio lattice; a horizontal connecting cell wall is arranged at the joint of each of the two inclined cell walls; the base body is located in a gap of the negative Poisson's ratio crystal lattice; the plurality of carbon fiber bundles are dispersed in the matrix, and the carbon fiber bundles are mutually isolated. The negative Poisson's ratio lattice and carbon fiber bundle double-reinforcement phase is introduced, the synergistic reinforcement effect of reinforcement phases of different scales is exerted, and reinforcement is carried out in the aspects of limiting matrix deformation flow and improving material damage and failure.

The invention discloses a 3D printing auxiliary arc-shaped mirror wall forming method for a flexible optical lens array. The method comprises the steps that an ideal optical model of the flexible optical lens array is established, and physical parameters of a forming material are obtained; performing multi-physical field coupling simulation on the whole forming process to predict and quantify an initial deviation field generated by physical deformation; according to the deviation field, a pre-distortion mold three-dimensional model capable of actively compensating deformation is generated through iterative calculation of a reverse topological optimization algorithm; printing a high-precision physical mold according to the model by using additive manufacturing equipment; injecting a liquid flexible material into the physical mold for curing and molding, and demolding to obtain a flexible optical lens array; according to the invention, active and high-precision control of forming deviation is realized, the product precision and research and development efficiency are improved, the manufacturing cost is reduced, and a set of standardized and intelligent solution is provided for precision manufacturing of complex flexible optical elements.

Methods and systems of fabrication of high resolution, high-throughput electrochemical sensing circuits on a substrate. High resolution electrochemical sensing circuits are printed by an effective additive technique to the substrate. Optionally, post-print annealing converts electrochemically inactive printed graphene into one that is electrochemically active. The printing can be by aerosol jet printing, but is not necessarily limited thereto. An example is inkjet printing and then the post-print annealing. Ink formulation would be adjusted for effectiveness with inkjet printing. Optionally biorecognition agents can be covalently bonded to the printed graphene for the purpose of electrochemical biosensing. High throughput fabrication of high-resolution graphene circuits (feature sizes in the tens of microns <50 μm) for electrochemical biosensing is possible by chemical functionalization of the graphene surface with a biological agent.

A method of forming a tubular structure including a first tube and a second tube. The steps of the method include first successively depositing layers of a first material and at least partially melting at least a portion of each deposited layer of the first material at predetermined locations to form the first tube. Second, successively depositing layers of a second material and at least partially melting at least a portion of each deposited layer of the second material at additional predetermined locations to form the second tube, wherein the second tube is attached to the first tube at an intersection. Additionally, at least partially melting steps include forming portions of a plurality of segments, and the first tube and the second tube share segments of the plurality of segments at their intersection.

The invention relates to the technical field of sulfate system nickel electrodeposition, in particular to a nickel electrodeposition starting sheet rapid machining device and method.The machining device comprises a feeding mechanism used for conveying nickel foil and copper foil; the machining device further comprises a laser cutting mechanism, an additive printing mechanism and a welding mechanism. In the working state, the feeding mechanism conveys nickel foil to the laser cutting mechanism, the laser cutting mechanism cuts the nickel foil to form square nickel sheets, and the square nickel sheets are conveyed to the additive printing mechanism through the mechanical arm. The feeding mechanism conveys a copper foil to the welding mechanism, the copper foil is welded to a tab of a square nickel sheet, and then a frame used for supporting a nickel electrodeposition starting sheet is formed through the additive printing mechanism. According to the invention, the function of efficiently processing the nickel electrodeposition starting sheet is realized, and the problems of time consumption, labor consumption and incapability of automation caused by complex procedures such as electrodeposition, stripping, cutting, embossing correction, lifting lug shearing, lifting belt riveting and cleaning on a starting sheet in the existing starting sheet manufacturing process are solved.

A robotic construction system for use in constructing a structure, the construction system including a base, a boom extending from the base, an articulated delivery head attached proximate an end of the boom, the delivery head including a nozzle configured to deliver a construction material and a controller configured to control movement of the boom and the delivery head to thereby move the nozzle and deliver construction material, wherein the boom moves with a slower dynamic response over larger distances and the delivery head provides a faster dynamic response over smaller distances.

The invention discloses high-throughput continuous switching food 3D printing equipment and a printing method.The equipment comprises a machine body, the machine body is provided with a movable printing platform and a movable printing assembly, the printing assembly comprises array type printing nozzles, and the array type printing nozzles comprise a plurality of printing nozzles arranged in an array mode; each printing nozzle is connected with a plurality of material barrels through a plurality of connecting pipes, the material barrels are used for containing printing materials, and each material barrel is connected with an air pressure output control unit and an air pressure valve through a conveying guide pipe. An array type multi-printing-nozzle printing mode is used, the three-dimensional motion process and an air pressure control unit are controlled through image pixel information, and combined manufacturing of the same printed product through multiple printing nozzles and respective manufacturing of different products through the multiple printing nozzles are achieved in combination with a reduction and compensation printing scheme in the printing process; and compared with the continuous switching 3D printing process of a single printing nozzle, the printing flux is improved by multiple equal to the number of the array type printing nozzles.

The invention relates to 3D micro-fluidic printing equipment which comprises a base, a supporting seat and a supporting arm are installed on the upper surface of the base, a bottom plate used for containing a printed product is arranged on the upper surface of the supporting seat, a spray head support is movably arranged on the front side of the supporting arm, and a 3D micro-fluidic printing spray head is fixedly connected to the bottom end of the spray head support. And a boss is arranged on the front side of the 3D micro-fluidic chip. According to the invention, gas and a material are respectively introduced into the 3D micro-fluidic chip through the inlet A and the inlet B, and after the gas and the material in the bubble generation layer are converged, the material containing a large number of bubbles is generated and is used for printing the porous piezoelectric gel; by adjusting the depths of bolts in a continuous-phase threaded hole A, a continuous-phase threaded hole B, a continuous-phase threaded hole C, a continuous-phase threaded hole D, a dispersed-phase threaded hole A, a dispersed-phase threaded hole B, a dispersed-phase threaded hole C and a dispersed-phase threaded hole D, the pressure of gas and the flow of materials are controlled, and porous piezoelectric gels with different porosities can be prepared. And the piezoelectric material has different piezoelectric properties.

The present disclosure relates to the field of protein-based materials, and in particular, to a protein eutectogel prepared with natural deep eutectic solvents and one or more plant proteind, methods of making and uses thereof.

The invention relates to the technical field of 3D printing, in particular to a curved surface in-situ 3D printing method and system for composite manufacturing, and the method comprises the steps: collecting surface images and corresponding scanning data of an object from a plurality of visual angles, generating a depth map, constructing a cost body, and further obtaining a reconstruction model; dividing into a plurality of strips, respectively clustering and merging according to similarity to obtain a plurality of partitions, and forming a quasi-plane; additive printing is conducted, according to the normal vector and the curved surface height of each partition, the normal vector deviation and the curved surface height compensation amount are calculated, the plane path is mapped to the quasi plane, an additive printing path is obtained, and additive printing is conducted on the printing target according to the additive printing path; and subtractive printing is conducted, specifically, the curvature of each partition is calculated, and according to the curvature of each partition, the gray value of the target printing position is adjusted to conduct subtractive printing. And the processing effects of consistent precision and accurate patterns can be obtained.

An additive manufacturing apparatus, a computing system, and a method for operating an additive manufacturing apparatus are provided. The method includes obtaining two or more images corresponding to respective build layers at a build plate, wherein each image comprises a plurality of data points comprising a feature and corresponding location at the build plate; removing variation between the features of the plurality of data points; and normalizing each feature to remove location dependence in the plurality of data points.

The present invention generally relates to methods and apparatuses adapted to perform additive manufacturing (AM) processes and the resulting products made therefrom, and specifically, to AM processes that employ an energy beam to selectively fuse a base material to produce an object. More particularly, the invention relates to methods and systems that use reactive fluids to actively manipulate the surface chemistry of the base material prior to, during and / or after the AM process.

The invention relates to the technical field of biomedical material manufacturing, and particularly discloses a gradient composite scaffold 3D printing process based on AI topological optimization, which comprises the following steps: a) based on medical image data of a patient, generating a digital model with porosity gradient distribution of 20-200 [mu] m and PCL / MCC material proportion gradient change through AI topological optimization; b) a double-nozzle FDM system is adopted to implement gradient printing, the layer thickness is 50 microns, the material switching frequency is 20 Hz, and the gradient resolution is 5% / layer; c), an electrostatic spinning nanofiber layer is deposited after FDM printing of each layer, the fiber diameter is 500 + / -50 nm, and the deposition density is 10-20 g / m. The method has the beneficial effects that through finite element analysis verification, the AI topological optimization enables the matching degree of the porosity and the component gradient of the stent and the natural bone to be greater than 90%, the mechanical distribution is more uniform, and the stress concentration is avoided; by adopting a double-nozzle FDM (20Hz switching frequency) and electrostatic spinning composite process, the interlayer shear strength is improved to 5.8 MPa, and the problem of traditional interface layering is solved.

Additively manufactured objects with exposed supports and associated methods are provided. In some embodiments, a method includes receiving one or more additively manufactured objects that are coupled to a plurality of support structures, where each support structure includes an exposed shoulder region that is accessible to an energy beam of a trimming system. The method can include identifying the locations of the exposed shoulder regions of the plurality of support structures, and directing the energy beam of the trimming system to the locations of the exposed shoulder regions of the plurality of support structures to cut at least partially through the exposed shoulder regions of the plurality of support structures.

The invention discloses a single-material multi-mode assembly and an electronic additive printing method, and belongs to the technical field of additive manufacturing, and the method comprises the following steps: firstly, under the irradiation of first-wave-band ultraviolet light, forming an insulating flexible substrate by adopting a photocuring additive printing technology; carrying out photo-crosslinking on the insulating flexible substrate through a preset digital mask pattern to obtain a pattern, and obtaining an assembly precursor; and finally, differentiated irradiation is performed on different areas through second wave band ultraviolet irradiation, continuous adjustability of a single material from an insulation state to a metalloid state is achieved, and the programmable multi-mode electronic assembly with multi-element conductivity distribution is prepared. The method simplifies the technological process, reduces the manufacturing cost, improves the comprehensive performance and reliability of the device, improves the performance and manufacturing efficiency of the device, and is suitable for the fields of flexible electronic devices, wearable devices, micro-nano sensors and the like.

To provide a removable helmet cover and a manufacturing method.SOLUTION: Provided is a helmet cover (100) comprising a single integrated shell assembly (202) having a receiving cavity (208), an inner surface (204), and an outer surface (206). The receiving cavity is configured such that an inner surface of the single integrated shell assembly is in contact with an outer surface of a helmet (102). The single integrated shell assembly conformably and removably covers the outer surface of the helmet, the helmet cover.SELECTED DRAWING: Figure 1

The invention discloses an ultra-high-speed motor bearing anti-deformation crown-shaped retainer and a manufacturing method, and belongs to the technical field of motor bearings. The super-high-speed motor bearing anti-deformation crown-shaped retainer is formed by printing functionally graded materials, the functionally graded materials comprise a hard-phase material and a soft-phase material, the hard-phase material is glass fibers, and the soft-phase material is nylon 66; the equivalent elastic modulus of the functionally graded material is continuously and gradually changed in the axial direction from the bottom of the pocket to the tail end of the lock claw, so that the elastic modulus of the bottom area of the pocket is higher than that of the tail end area of the lock claw, and elliptical deformation of the pocket and centrifugal deformation of the lock claw are cooperatively restrained. And active reconstruction of a rigidity field of the crown-shaped retainer is achieved, specifically, a tough phase is constructed in a locking claw area to absorb collision energy, a strengthening phase is formed in a pocket area to weaken stress concentration, a rigidity gradient is established at a connecting part to restrain the umbrella-shaped effect, and the crown-shaped retainer with the high toughness-gradient-high strength characteristics and the design method of the crown-shaped retainer are provided.

The invention discloses a preparation method and equipment of a craniocerebral physical model and a storage medium. The preparation method of the craniocerebral physical model comprises the steps that a mold is manufactured, and a liquid injection hole is formed in the mold; mixing agar powder with conductive salt and water to prepare an agar solution; and introducing the agar solution into the mold through the liquid injection hole, and cooling to form the brain three-dimensional physical model. According to the preparation method of the craniocerebral physical model, the obtained craniocerebral three-dimensional physical model is high in accuracy, accurate detection data for reference can be provided for the medical field, and the accuracy requirements of experiments and researches can be well met.

To provide a magnetic field sensor.SOLUTION: A magnetic field sensor and a method for 3D-printing of the magnetic field sensor are provided. The magnetic field sensor includes a monolithic body having a plurality of coils 3D-printed inside by continuous printing of a layer along a printing direction. The coils include: a coil (or coils) where a magnetic axis (or axes) is oriented in a longitudinal direction parallel to the printing direction and a coil (or coils) where a magnetic axis (or axes) is oriented in a lateral direction vertical to the printing direction. On the respective coil (or coils) oriented in the lateral direction, magnetic channels bent between a pair of magnetic flux collection surfaces facing each other vertical to the magnetic axis are 3D-printed so that they include a magnetic core section extending along the printing direction. Each of the coils oriented in the longitudinal direction and the coils oriented in the lateral direction are 3D-printed by arranging each conductive winding including a plurality of turns 3D-printed on a flat surface of a 3D-printed layer. Turns of the coils oriented in the lateral direction encircle the magnetic core section up to its magnetic channels.SELECTED DRAWING: Figure 1A