189results about "Additive manufacturing processes" patented technology

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.

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.

An additively manufactured electronics packaging assembly including a build substrate formed from a plurality of additively printed layers. One or more additively printed electrical interconnects can be positioned within the plurality of layers. The assembly can include an electronics housing built along the build substrate. The electronics housing can include one or more additively printed walls extending around a component cavity and a housing lid enclosing and sealing the cavity. One or more additively printed electrical circuits can be included within the component cavity, which can be electrically connected with the additively printed electrical interconnects. One or more electronic components can be positioned within the cavity and can be electrically connected to the additively printed electrical interconnects. The additively printed electrical circuits can be used to indicate a leak in the additively manufactured electronics packaging assembly.

The invention relates to the technical field of aviation process equipment, in particular to an aviation part sample plate manufacturing method based on reverse scanning and 3D printing. According to the technical scheme, the aviation part sample plate manufacturing method based on reverse scanning and 3D printing comprises the following steps that S1, three-dimensional data collection and preprocessing are carried out, specifically, three-dimensional reverse scanning is carried out on the object surface of a target aviation part, and three-dimensional point cloud data of the object surface are obtained; before scanning, carrying out powder spraying treatment on a highly reflective or transparent area on the surface of the real object so as to ensure the integrity of scanning data; s2, real surveying and mapping model reconstruction and optimization: processing the three-dimensional point cloud data, reconstructing a real surveying and mapping three-dimensional model of the aviation component, and performing hole repair and fairing optimization on the model. The technical means of obtaining the real appearance by reversely scanning the real object and reconstructing the theoretical model according to the drawing and carrying out fitting correction are realized, the generated composite three-dimensional model ensures the accuracy.

The invention relates to a method for manufacturing a hybrid component made from at least two different materials, the method comprising the following steps: - providing a substrate made of a substrate material onto which at least one functional element is to be applied in a functional area of ​​the substrate, - creating a first functional layer made of a thermoset resin system on the substrate at least within the functional area of ​​the substrate, - applying at least one second functional layer made of a thermoplastic material onto the first functional layer, - wherein the thermoset resin system and the thermoplastic material are selected such that both form a metallurgical bond after consolidation, and - applying a thermoplastic material different from the substrate material to the substrate in the area of ​​the second functional layer.to produce the functional element on the substrate.

The present disclosure provides a device manufacturing process comprising designing a mold for stereolithography resin printing, wherein the mold is configured to minimize distortion from pyrolysis and sintering, printing the mold from resin using stereolithography, pyrolyzing the mold to convert resin into carbon structure, filling the carbon structure with ceramic slurry, drying the ceramic slurry within the carbon structure, and thermally processing the carbon structure and ceramic slurry to decompose the carbon structure and sinter the ceramic slurry into consolidated ceramic part. The ceramic slurry may comprise hydroxyapatite or yttria-stabilized zirconia particles. The mold design may limit beam thickness and wall thickness to 0.6mm and account for isotropic shrinkage of approximately 50% during pyrolysis. Thermal processing may involve sintering at 1200°C for hydroxyapatite or 1450°C for yttria-stabilized zirconia to produce ceramic scaffolds with sub-millimetric channels and intricate lattice structures for biomedical applications.

Electric components including coils and methods to fabricate the same by 3D-printing are disclosed. The method includes: 3D printing a magnetic material to form a magnetic channel comprising a magnetic core of the coil device; 3D printing a conductive material to form a conductive channel, including conductive windings of the coil device with turns surrounding the magnetic core; and 3D printing a non-magnetic electrically insulating material to form electrical insulation between the turns of the conductive windings of the coil device. In some embodiments functional structures of the electric component, including the turns of the conductive windings of the coil and the electrical insulation between the turns, are each printed with minimal in-layer feature size of at least two voxels of the 3D-printing. Some embodiments facilitate 3D-printing of flattened coil devices having low aspect ratio between their lengths along their magnetic axes and their widths perpendicular thereto.

A cooling plate arrangement (10) for cooling a battery storage device (204) of an at least partially electrically powered motor vehicle (200) is described, wherein the cooling plate arrangement (10) comprises: a first outer cooling plate (12) made of a metal; a second outer cooling plate (14) made of a metal, in particular the same metal; and an intermediate layer (16) made of an intermediate layer material (16m) arranged between the two outer cooling plates (12, 14). The intermediate layer (16) is provided to have at least one channel-like recess (18) which is bounded by the first cooling plate (12) and the second cooling plate (14). Furthermore, a method for manufacturing such a cooling plate arrangement (10) and a motor vehicle with such a cooling plate arrangement (10) are described.

A method of additive manufacture is disclosed. The method may include restricting, by an enclosure, an exchange of gaseous matter between an interior of the enclosure and an exterior of the enclosure. The method may further include running multiple machines within the enclosure. Each of the machines may execute its own process of additive manufacture. While the machines are running, a gas management system may maintain gaseous oxygen within the enclosure at or below a limiting oxygen concentration for the interior.

To provide apparatuses, servers, systems, materials, and methods for operating for 3D printing based consumer tailor made semiconductor packaging that simplify the interconnect process and reduce the cost of the interconnect process by using 3D printing to form interconnect structures.SOLUTION: A packaging structure has a single layer body as a substrate 2101 for electrical connection between electronic components and at least one conductive interconnect 2103 formed inside a body, and the at least one interconnect includes one side and the other side exposed to the outside of the body and a line connecting the one side and the other side, and the line crosses transversely or longitudinally through the interior of the single layer body and has a specific curvature in some sections.SELECTED DRAWING: Figure 21

The application discloses an anti-deformation crown-shaped cage of a super-speed motor bearing and a manufacturing method, and belongs to the technical field of motor bearings. The anti-deformation crown-shaped cage of the super-speed motor bearing is printed by a functionally graded material, the functionally graded material comprises hard-phase material and soft-phase material, the hard-phase material is glass fiber, and the soft-phase material is nylon 66; the equivalent elastic modulus of the functionally graded material continuously and gradually changes along the axial direction from the bottom of the pocket hole to the end of the locking claw, so that the elastic modulus of the bottom area of the pocket hole is higher than that of the end area of the locking claw, and the ovalization deformation of the pocket hole and the centrifugal deformation of the locking claw are cooperatively inhibited; the functionally graded material is introduced to actively reconstruct the stiffness field of the crown-shaped cage; the toughness phase is constructed in the locking claw area to absorb collision energy, the reinforced phase is formed in the pocket hole area to weaken stress concentration, and the stiffness gradient is established at the connecting position to inhibit the umbrella effect; and the application provides the crown-shaped cage with the characteristics of high toughness, gradient and high strength and a design method thereof.

A power transmission assembly (100) for a 3D printer (110) having a printing chamber (112), a print head (114), and an inductive coil (116) wound around at least a portion of the print head (114) is disclosed. The power transmission assembly (100) may include a first lead (140). At least a portion of the first lead (140) may be configured to be positioned within the printing chamber (112) of the 3D printer (110). The first lead (140) may also be configured to be coupled to a power source (102) external to the 3D printer (110). The power transmission assembly (100) may include a second lead (160). The second lead (160) may be configured to be positioned within the printing chamber (112) of the 3D printer (110). The second lead (160) may be slidably coupled to and in electrical contact with the first lead (140).

The invention relates to a plastic component (1) formed in one piece from at least two different plastics, wherein at least a first plastic in the form of a thermoplastic with a Shore D hardness of at least 70 (according to ISO 868:2003-03) and at least a second plastic in the form of a thermoplastic elastomer with a Shore A hardness in the range of 55 to 95 (according to DIN ISO 48-4:2021-02) are joined together by additive manufacturing such that the at least one second plastic forms a rubber-like deformable second region (1b) of the plastic component (1) and the at least one first plastic forms a stiffer and less flexible first region (1a) of the plastic component (1). The invention further relates to a method for manufacturing the plastic component (1).

Method for sealing the end of a thermoplastic composite pipe and pipe obtained. The present invention relates to a method for sealing one end of a thermoplastic composite pipe, comprising the steps of: - supplying a thermoplastic composite pipe comprising a tubular inner sheath and a reinforcing composite structure comprising a high-performance semi-crystalline thermoplastic Psc1 polymer having a melting temperature Tf1, - deposition by dynamic gas spraying, onto a portion of the reinforcing composite structure located at one end of the thermoplastic composite pipe, of a powder of a high-performance amorphous thermoplastic Pam polymer, thereby forming a junction layer; - deposition by dynamic gas spraying, onto at least a portion of said junction layer, of a powder of a high-performance semi-crystalline thermoplastic Psc2 polymer, thereby forming a sealing layer.The resulting thermoplastic composite pipe and a flexible conduit comprising it. Figure for the abbreviation: 2,

The invention relates to the technical field of mold mechanisms, in particular to an exhaust insert in a mold and a forming method of the exhaust insert. A second breathable layer; at least one ventilation groove is formed in the connecting face of the third solid layer and the second ventilation layer, a ventilation hole is formed in the third solid layer, the ventilation hole is communicated with the ventilation groove, and the end, away from the ventilation groove, of the ventilation hole is communicated with an air blowing and sucking channel of the mold. The first section is a first breathable layer, the second section is a second breathable layer, the third section is a third solid layer, at least one vent groove is formed in the connecting face of the third solid layer and the second breathable layer, vent holes are formed in the third solid layer and communicated with the vent grooves, and the ends, away from the vent grooves, of the vent holes are communicated with an air blowing and sucking channel of a mold. The exhaust insert is used for realizing an exhaust function, so that the problem of hole blockage of the exhaust insert in mold processing is effectively solved, and maintenance and cleaning are facilitated.

The invention relates to the technical field of material forming device graphic user interaction, in particular to a 3D printing material forming device graphic user interaction method and system, and the method comprises the following steps: obtaining a to-be-printed three-dimensional model file and selected printing material information; analyzing the three-dimensional model file to obtain geometrical characteristic information, and extracting rheological characteristic data of the selected printing material from a material database based on the information of the selected printing material; on the basis of the geometrical characteristic information and the rheological characteristic data, the actual deposition deviation caused by the flow characteristic change in the printing process of the material is predicted; according to the actual deposition deviation, a compensatory printing parameter adjustment strategy is generated, and the compensatory printing parameter adjustment strategy and the adjusted expected deposition effect are visually displayed; and applying the compensatory printing parameter adjustment strategy to printing instruction generation. The geometric accuracy and the structural integrity of the printed piece can be improved.

Apparatus for manufacturing a three-dimensional screen-printed workpiece, particularly a 3D screen printing machine, comprising: a printing device for manufacturing at least one screen-printed workpiece in layers through a plurality of printing operations; and a transport device for automatically transporting at least one screen-printed workpiece and / or a workpiece carrier toward and away from the printing device, wherein the transport device comprises a transport section for housing the workpiece carrier at least in a geometry-fitted manner.

Improved manufacturing method of an acoustic complex by additive manufacturing and acoustic complex obtained by such a method. Method of manufacturing an acoustic complex (16) for an acoustic panel (10) by additive manufacturing, the acoustic complex (16) comprising cells (18), each extending along a central axis (A), the method comprising: the fabrication of first wall portions (181) from a lower end (161) of the acoustic complex to an upper end (162) of the acoustic complex, the first wall portions (181) being parallel to the central axis (A), and the fabrication of support portions (185) extending between the first wall portions (181), the support portions (185) each comprising a lower face forming a second wall portion (182) delimiting an upper part of the cell (18) and having an arched shape,and an upper face delimiting the upper end (162) of the acoustic assembly (16), such that a maximum angle (α) between the second portion of the wall (182) and a construction direction (D) is less than or equal to 45°. Figure for the abbreviation: Fig. 4.

To provide an apparatus, server, system, material and operating method thereof for 3D printing-based consumer-customized semiconductor packaging for simplifying interconnection processes and reducing the costs of interconnection processes through the formation of interconnection structures using 3D printing.SOLUTION: In a packaging structure, a substrate 2101 for electrical connection between electronic components includes: a body having a single layer structure; and at least one interconnect 2103 having a conductivity formed inside the body. The at least one interconnect includes: one side and the other side that are exposed to the outside of the body; and a line connecting the one side and the other side. The line is crossed in a transverse direction or a longitudinal direction through the inside of the body of the single layer structure, and has a specific curvature in some sections.SELECTED DRAWING: Figure 21

The disclosed composite scaffold provides a highly porous and flexible structure that substantially maintains its three-dimensional shape under tension and provides mechanical reinforcement of the repair or reconstruction-first via scaffold mechanical properties, and subsequently, through newly regenerated functional tissue as the scaffold is resorbed.

The invention relates to the technical field of 3D printing, and discloses high-precision 3D printing equipment for an aviation composite material plate and a printing method of the high-precision 3D printing equipment, and the high-precision 3D printing equipment comprises a printer body, a wire feeding mechanism and a dipping mechanism; the wire feeding mechanism comprises a wire feeding roller set, and a tension adjusting module and a fiber recognition module used for detecting wire feeding speed and path changes are sequentially arranged on a wire feeding path. The tension adjusting module comprises a servo motor and a guide wheel. Accurate and adjustable tension is realized through tension closed-loop control, and fiber bundles are prevented from being deformed, loosened or broken; the deviation of a wire feeding path is recognized and corrected in real time, and consistent fiber orientation is ensured; a dual-drive conveying mode optimizes synchronism, fiber accumulation and tensile damage are reduced, and the mechanical property stability of a product is improved; detection and repair are controlled in a dual mode, impregnation defects are remedied in time, and the reject ratio is reduced; and a resin recovery closed loop is constructed, redundant resin is refluxed and reused, and the resin supplementing requirement of a repairing area is met.

The invention discloses a preparation method of a PDMS (Polydimethylsiloxane) film for chip microfluidics, and belongs to the technical field of micro-fluidic chip manufacturing. According to the method, in-situ graft polymerization of polyethylene glycol methacrylate in a polydimethylsiloxane network is initiated by ultraviolet, so that chemical bonding of a hydrophilic chain segment is realized; silane-modified aluminum oxide nanoparticles are adopted as an insulating heat-conducting filler, single-particle-level dispersion is realized under the vacuum ultrasonic synergistic effect, and a dual-channel heat-conducting network is constructed; and a 3D printing mold is utilized, so that the limitation of a traditional photoetching process is avoided. The water contact angle of the prepared PDMS film is reduced to 35-45 degrees, the heat conductivity coefficient is increased to 0.48-0.52 W / (m.K), the volume resistivity is kept to be 1014 omega.cm or above, the demolding success rate of an arc-shaped structure reaches 92% or above, the preparation period is shortened to 4-6 hours, and a new technical path is provided for large-scale manufacturing of micro-fluidic chips.

This invention provides a method and apparatus for manufacturing high-performance conformal wire harnesses using multi-material micro-3D printing. The method involves treating the substrate surface, setting printing process parameters, and conformally printing a first insulating layer onto the treated substrate surface according to the set printing program and parameters. After printing, the first insulating layer is cured in situ. A first conductive layer is conformally printed on top of the first insulating layer, followed by the printing and in-situ curing of a second insulating layer. A first shielding layer is then printed on top of the second insulating layer. Each printed layer is cured in situ until all remaining insulating, conductive, and shielding layers are conformally manufactured. A conformally printed encapsulation layer is then performed. The printed multi-material conformal wire harness undergoes performance and defect testing to ensure that all performance indicators meet requirements. This invention achieves efficient and low-cost manufacturing of high-performance conformal wire harnesses.

A support-free 3D printing method, comprising: in a first direction, dividing into a plurality of printing units a three-dimensional model of a piece to be printed, the first direction being parallel to the height direction of the three-dimensional model of said piece, and in the first direction, dividing each printing unit into a first regional portion and a second regional portion (S1); and sequentially printing the plurality of printing units from bottom to top in the first direction, wherein during printing of each printing unit, the first regional portion is printed first, and after the first regional portion has been printed, the second regional portion is divided into at most two printing layers in the first direction, and the lowest printing layer among the at most two printing layers is formed by means of scanning at a first scanning power, a first scanning speed and a first scanning interval, the bulk energy density of the lowest printing layer in each printing unit being denoted as E1, the bulk energy density of the second regional portion in each printing unit being denoted as E2, and 0.25*E1≤E2 (S2).

The utility model discloses a 3D printing system based on the DLP technology, which comprises a material groove module provided with a resin groove and a tray and a projection assembly located on the upper side of the material groove module, and the projection assembly comprises a light source, a DMD chip and an optical lens. According to the 3D printing system, the height of the tray is accurately adjusted through the Z-axis lifting mechanism, the coordinate position of the projection assembly on a printing face is accurately controlled through the XY plane movement mechanism, dynamic image projection of the projection assembly is achieved, the 3D printing system can meet the requirement for large-size machining, and the machining efficiency of the 3D printing system is improved. The industrial control module controls the Z-axis lifting mechanism to drive the tray to move in the z direction according to the forming data information, and the XY plane movement mechanism controls the coordinate position of the projection assembly on the printing face, so that the pattern projected by the projection assembly, the position of the projection assembly and the height of the tray are matched, layer-by-layer printing and photosensitive resin curing of the 3D printing system are achieved, and the printing quality is improved. And a high-precision 3D formed part is obtained.

The invention provides a 3D printing plate pre-assembling and installing method and electronic equipment. The 3D printing plate pre-assembling and installing method comprises the steps that a built keel is scanned; a three-dimensional model of the scanning keel is constructed, and the size of the 3D printing plate and the geometric assembling relation between the 3D printing plate and the keel model are determined; constructing a model of the 3D printing plate; at least one 3D printing plate model is assembled on the keel model in a simulated mode; detecting whether installation interference exists in installation of the 3D printing plate or not, and if yes, adjusting the geometric assembly relation until the interference is eliminated; all the 3D printing plates are installed on the keel model in a simulated mode, then the stress condition is simulated, and whether the size deviation amplification condition caused by stress exists or not is judged; if yes, matching compensation is carried out until the dimensional deviation is within a set range; and pre-assembling is completed. The assembly adaptability problem caused by material and process characteristics of the 3D printing plate is solved, and the requirements for precise positioning and digital assembly of large complex 3D printing building components are met.

A building module for forming a building structure, the module being made of a concrete mixture material using a substantially automated process in which the concrete mixture is dispensed in a plastic state, the module comprising a first layer of the concrete mixture for forming a first face of the module, a second layer of the concrete mixture for forming a second face of the module, and a core layer formed intermediate the first layer of concrete mixture and the second layer of concrete mixture, the core layer being substantially continuous and substantially embedded within the first and second layers, wherein the module, when cured, includes one or more side walls of the building structure integrally with the roof of the structure extending between the side walls to form the module.

A kind of rotary 3D printing forming method of continuous carbon fiber reinforced composite stiffened cylindrical shell structure, first, the shape of grid rib is designed by software, and the height and thickness of stiffened cylindrical shell are determined by bearing capacity;Then, the path planning is carried out for the stiffened cylindrical shell, the x-axis direction of Cartesian coordinates is replaced by the rotation direction, and the 3D printing path of the stiffened cylindrical shell is generated based on the characteristics of rotary 3D printing;Then, the mass ratio of the stiffened cylindrical shell is calculated, if it meets the lightweight requirement, the next step of forming is carried out;Otherwise, the internal structure parameters are determined again until the lightweight requirement is met;Finally, the corresponding material system is selected, and the outer skin is formed based on the grid rib structure, and the forming of the stiffened cylindrical shell is realized by rotary 3D printing equipment;The present application realizes the controllable design and rapid forming of ultra-lightweight, high mass ratio, low-cost, multi-material system composite stiffened cylindrical shell structure.

A method for manufacturing a vehicle part (10) is proposed. The method comprises the following steps: • (S1) Applying a film (14), in particular an adhesion promoter film, to a carrier part (12), • (S2) Printing at least one geometric structure (18) onto the film (14) using a 3D printing process, wherein during the printing of the geometric structure (18) the film (14) melts at least partially and welds to the geometric structure (18).

A high-throughput continuous switching food 3D printing method, using a high-throughput continuous switching food 3D printing device comprising a machine body (17). The machine body (17) is provided with a movable printing platform (5) and a movable printing assembly (18); the printing assembly (18) comprises array-type printheads (7); the array-type printheads (7) include multiple printheads arranged in an array; each printhead is connected to multiple cartridges (8) by means of multiple connecting pipes (9); the cartridges (8) are used for placing printing materials; and each cartridge (8) is connected to a corresponding air pressure output control unit (12) and a corresponding air pressure valve (10) by means of a corresponding conveying guide pipe (11). An array-type multi-printhead printing mode is used, and by controlling a three-dimensional motion process and an air pressure control unit by means of image pixel information, in combination with a reduction and compensation printing scheme in the printing process, combined manufacturing of a single printed product by multiple printheads and separate manufacturing of different products by multiple printheads are achieved; and compared with a continuous switching 3D printing process using a single printhead, the printing throughput improvement factor is equal to the number of the array-type printheads.