3304results about "Applying layer means" patented technology

Additive manufacturing devices with subtractive tools are provided. In one aspect, an additive manufacturing device includes a shoulder configured to rotate about a central axis, the shoulder including a central channel extending from a first end of the shoulder to a second end of the shoulder, the central channel configured to allow a filler material to pass through the shoulder from the first end towards the second end. The additive manufacturing device also includes a subtractive tool assembly including a subtractive tool and an insert sleeve. At least a portion of one or more cutting surfaces or edges of the subtractive tool extend outside the central channel of the shoulder when the subtractive tool is removably received in the insert sleeve and the insert sleeve is received in the central channel of the shoulder.

The present disclosure relates to a pulsing release module, a pulsing release resin tank, and a 3D printing device and printing method. The pulsing release module comprises a resin tank assembly, a support assembly and a pulse gas supply assembly, wherein the resin tank assembly is provided with a release film; the support assembly is arranged below the resin tank assembly, the support assembly is provided with a support member, and a first preset distance is provided between the support member and the release film in a height direction and is configured to form a gas cavity between the support member and the release film; a gas inlet and a gas outlet, which are in communication with the gas cavity, are provided in the support member; and the pulse gas supply assembly comprises a gas oscillation assembly and a gas conveying line, the gas oscillation assembly being arranged on the gas conveying line, and the gas conveying line being connected to the gas inlet.

The invention discloses a photocuring 3D printing mechanism method for multi-material cooperative spraying, and relates to the field of cooperative control, and the photocuring 3D printing mechanism method comprises the following steps: layering a model, generating a material distribution map, and labeling a functional area and a transition area; a multi-nozzle array is used for accurately positioning and spraying according to the atlas; a gradual change path is planned in the transition area, and gradient change of material components is achieved through cooperative spraying; a partition curing strategy is adopted, ultraviolet light full curing and visible light semi-curing are adopted, and leveling is promoted in combination with micro-vibration; spraying a penetrating agent between layers to form a mechanical interlocking enhanced interface; based on visual online defect detection, printing parameters are fed back and adjusted in real time through a CNN model. The device and the method have the advantages that accurate mixing of multiple materials is realized through cooperative spraying of the multiple piezoelectric sprayers and gradual change path planning, and real-time defect detection and correction can be realized by matching with differentiated photocuring, high-frequency micro-vibration leveling and interlayer penetrating agent interlocking, so that high-precision multi-material functional component forming is efficiently completed.

Support structures are used in certain additive fabrication processes to permit fabrication of a greater range of object geometries. For additive fabrication processes with materials that are subsequently sintered into a final part, an interface layer is formed between the object and support in order to inhibit bonding between adjacent surfaces of the support structure and the object during sintering.

The invention relates to the technical field of 3D printing, in particular to an industrial mold 3D printer based on plastic powder slurry. The printer comprises a rack, a movable frame and a printer body, and the printer body comprises a body, a flow guide pipe, a first heater, a cooling fan, a quantity adjusting assembly and a back suction assembly. According to the device, when the quantity adjusting rod drives the quantity adjusting head to be downwards inserted into the communicating position of the heating cavity and the nozzle to plug the nozzle, the quantity adjusting rod further drives the piston plate to move in the suction cavity, the piston plate firstly moves rightwards to expand the containing volume of the suction cavity to form negative pressure, and then material consumables left in the end of the nozzle are sucked into the suction cavity through the suction pipe; and then the piston plate moves leftwards to reset in the suction cavity to press the material consumables in the suction cavity into the flow dividing cavity through the one-way valve, so that the phenomenon that part of the material consumables left in the spraying end part of the nozzle flow out of the drawn wire to form overflow on the surface of the industrial mold is avoided, and the printing processing quality of the industrial mold is ensured.

A three-dimensional printing device for printing one or more three-dimensional products. The 3D printing device comprises a print surface configured to support the printing of the one or more 3D products, a frame arranged at a distance above the print surface, wherein the frame is oriented in a first plane substantially parallel to the print surface, a printing head comprising a printing nozzle configured for dosing the build material on the print surface or on a previous layer in a dosing direction to print the one or more 3D products in a series of layers, wherein the printing nozzle is arranged to extend at an acute internal angle measured between the print surface and the dosing direction, and wherein the printing head is movably coupled to the frame such that the printing head is movable along the first plane with respect to the print surface and wherein the print head is movable in a vertical direction with respect to the print surface, a controller configured to control a movement of the printing head along the first plane and / or in the vertical direction.

The invention relates to the technical field of 3D printing, and discloses a fiber reinforced composite material 3D printer and a printing method, current deposition tows are heated / cooled under the action of a preset interlayer pressing force through an interlayer pressing device, interlayer fusion can be promoted, the interlayer bonding strength can be improved, the heat history in the wire cooling process can be eliminated, and the 3D printing quality of the fiber reinforced composite material is improved. The crystallization behavior, the grain size and the grain distribution of a polymer in a printing wire material are controlled, and the microscopic uniformity of a composite material printing product is improved. The side face and the upper surface of the current deposition tow are subjected to hot-pressing shaping through the inter-channel pressing device, meanwhile, secondary hot-pressing is conducted on the adjacent printing layer deposition tow, resin of the current deposition tow and resin of the adjacent printing layer deposition tow can be melted and flow, so that the inter-channel gap between the adjacent printing layers is filled, and the printing effect is improved. And the inter-track bonding strength is improved.

The present disclosure relates generally to manufacturing pharmaceutical products using additive manufacturing technology. An exemplary printing system comprises: a material supply module for receiving a set of printing materials; a flow distribution module comprising a flow distribution plate, wherein the material supply module is configured to transport a single flow corresponding to the set of printing materials to the flow distribution plate; wherein the flow distribution plate comprises a plurality of channels for dividing the single flow into a plurality of flows; a plurality of nozzles, wherein the plurality of nozzles comprises a plurality of needle-valve mechanisms; one or more controllers for controlling the plurality of needle-valve mechanisms to dispense the plurality of flows based on a plurality of nozzle-specific parameters; and a printing platform configured to receive the dispensed plurality of flows, wherein the printing platform is configured to move to form a batch of the pharmaceutical product.

The present disclosure provides a system and method for three-dimensional (3D) printing. The system comprises a post-treatment device. The post-treatment device comprises: a material receiving mechanism, which comprises a material receiving body, the material receiving body being configured to bear a 3D-printed object having a redundant printing material; and a driving mechanism, which is configured to allow the material receiving mechanism to rotate from a first state to a second state, so that the redundant printing material drips off of the 3D-printed object, wherein the 3D-printed object has at least two different inclination angles. The technical solution of the present disclosure effectively solves the problem in the prior art of methods for separating a redundant printing material from a 3D-printed object having a poor separation effect and low efficiency.

The invention relates to the technical field of additive manufacturing 3D printing, and discloses a 3D printing head for a continuous fiber reinforced composite material and a printing method. A concentric circle type step temperature control module is used for applying preset step type temperature fields distributed from inside to outside in a gradient mode to adjacent printing layer deposition tows and current deposition tows in the printing process, and the grain size and uniformity of crystalline resin in the adjacent printing layer deposition tows and the current deposition tows are regulated and controlled. The large deformation degree of a printed product after forming is avoided; and meanwhile, in the printing process, secondary heating melting is conducted on deposition tows of adjacent printing layers, under the action of a preset pressure field, fusion of the deposition tows of the adjacent printing layers and current deposition tows is promoted, the bonding strength between printing layers / channels is improved, and then the mechanical property of a 3D printing continuous fiber additive manufacturing printing product is improved.

A method and system for additive manufacturing are provided herein. The method comprises depositing a structure material, by a nozzle (810), into a support material (808) by applying to the structure material such that the structure material flows through the nozzle. The structure material comprises a polymer and a rheological modifier. Depositing of the structure material is repeated as necessary to create an object (814). The support material is at least partially removed from object. In various examples, the method comprises varying a print parameter from a first portion of the object to a second portion of the object, moving the nozzle away from a previously deposited layer of the object when repositioning for deposition of a subsequent layer of the object, or a combination thereof.

The present invention provides a method and system for fabricating complex human tissues by integrating bio-electrospraying, cell electrospinning merged with 3D multi material microfluidic bioprinting, and future additions of magnetic and acoustic levitation technologies. The fabricated tissues serve as an alternative to animal testing in drug discovery processes, aiding in the prediction of human physiological responses to various drug compounds.

A three-dimensional (3D) object production process comprising providing a thermoset printing apparatus comprising a mixing chamber to receive and mix at least a first reactive component and a second reactive component to provide a thermosetting material, an extrusion nozzle to deliver the thermosetting material to form a 3D object, at least one actuator coupled to the extrusion nozzle to move the extrusion nozzle when delivering the thermosetting material to form the 3D object, and a controller comprising one or more processors and coupled to the extruded thermoset printing apparatus, and depositing the thermosetting material to form the 3D object, wherein the depositing comprises depositing a first layer of thermosetting material and depositing an at least second layer of thermosetting material, wherein the beads of thermosetting material in the at least second layer are offset from the beads of thermosetting material in the first layer.

A 3D printing system includes a printing head, a base frame and a material platform. The printing head includes a printing seat and a nozzle seat, where the nozzle seat may rotate relative to the printing seat, and an extrusion opening is formed in the nozzle seat. The material platform includes a frame which may rotate relative to the base frame, and at least one feeding component. The feeding component includes a rotatable follow-up portion arranged on the frame, and the feeding component is used for conveying printing materials to the extrusion opening. A flexible line is connected between the frame and the nozzle seat, and includes a conveying line formed between the feeding component and the extrusion opening for conveying printing materials. The platform frame may rotate following the nozzle seat to prevent excessive winding of the flexible line.

The invention provides a continuous fiber 3D printing nozzle structure and a composite material product, and belongs to the technical field of continuous fiber 3D printing manufacturing device.The nozzle structure comprises a hollow columnar spray head, a rolling device and a shell, the rolling device is located at the front end of the hollow columnar spray head, and the shell surrounds the periphery of the hollow columnar spray head; a storage cavity for storing filler is formed by the inner wall of the shell and the outer side wall of the hollow columnar spray head; the rolling device comprises a regular polygon mounting frame and rolling blocks, each edge of the mounting frame serves as a mounting shaft, each mounting shaft is rotationally provided with the corresponding rolling block, raw materials extruded from the hollow columnar spray head pass through a space defined by the multiple rolling blocks, and the rolling blocks are compacted on the surface of the extruded wire in the moving process of the 3D printing nozzle; a filler conveying assembly is arranged on the bottom wall of the shell and used for conveying filler in the storage cavity to the outer surfaces of the rolling blocks. According to the invention, the risks of fuzzing and wire breaking in the printing process of the wires can be reduced.

A deformable hot-press 3D printing device, characterized by its use for 3D printing, comprises a roller module, a fiber placement module, and at least one nozzle; the fiber placement module is used to lay down a reinforcement material; the at least one nozzle evenly sprays a base material onto the reinforcement material; the roller module includes a deformable unit, whose deformation and temperature are controlled by a computing unit to compress the composite material formed by the nozzle and the fiber placement module into various shapes. This invention addresses the problems of prior art in being unable to print concave and convex surfaces, control product surface shape, and achieve printing of thermosetting composite materials.

The invention provides a three-dimensional printing method and three-dimensional printing equipment. The three-dimensional printing method comprises the steps that a first material is supplied to a bearing area of a light-permeable material containing mechanism of the three-dimensional printing equipment through a first channel of a material supply mechanism of the three-dimensional printing equipment; a second material different from the first material is supplied to the bearing area of the material containing mechanism through a second channel of the material supply mechanism; a forming platform mechanism of the three-dimensional printing equipment is moved, so that the forming platform mechanism makes contact with the first material and the second material in the bearing area; light rays are projected to the bearing area through an optical mechanism of the three-dimensional printing equipment, so that the first material and the second material are cured, and a curing layer adhering to the forming platform mechanism is formed; and the forming platform mechanism is moved away from the material containing mechanism, so that the curing layer is separated from the material containing mechanism.

The invention relates to a 3D printing device with a dispensing needle head capable of rotating by 360 degrees without limitation and a printing head, and solves the technical problems that in the printing process of existing equipment for carrying out multi-material 3D printing on fibers and glue solutions, electric wires and air pipes are likely to be twisted or wound, and rotation by 360 degrees or above cannot be achieved. The 3D printer comprises an X-axis direction linear module, a Y-axis direction linear module, a Z-axis direction linear module, a platform and a printing head, the printing head comprises a vertical supporting plate, a fixing plate, a wire feeding device connecting plate, a rotating cylinder connecting plate, a pneumoelectric slip ring support, a rotating arm, a wire feeding device, a rotating arm rotation driving motor, a pneumoelectric slip ring, a pipeline, a pipeline fixing plate, an outer cylinder, a connecting sleeve, an upper bearing, a lower bearing, a driving gear, a driven gear, a fiber output needle and a dispensing needle connecting arm rotation driving motor. The device comprises a small synchronous pulley, a synchronous belt, a large synchronous pulley, a dispensing needle connecting arm, a dispensing needle, a rotary hollow shaft, a glue tube and a glue injection cylinder. The method is widely applied to the technical field of multi-material 3D printing.

Provided herein is an additive manufacturing system having a build chamber, a plurality of tools and a plurality of tool bays where each tool bay is arranged to store one tool. A gantry is arranged to select one tool and removes the selected tool from a tool bay. A tool mount is slidably arranged on the gantry and to detachably couple the selected tool to the gantry. Two guide rails extend in a first direction and are arranged to receive the selected tool. The guide rails are movable along a second direction perpendicular to the first direction, so as to enable alignment of the guide rails with one of the tool bays at a time. Channel seals expand or contract based on a relative movement between the tools and the sliders.

An extruder for an additive manufacturing machine has a first and second extrusion duct (6, 7) separated from each other; a first and a second feeding system (8, 9), configured to feed a first and a second material into the first and the second extrusion duct (6, 7); a first and a second heating assembly (10, 11) configured to heat the first and the second material so as to determine the melting of the first and the second material; a mixing chamber (12), which is configured to allow the mixing of the first and of the second melt material exiting from the first and from the second extrusion duct (6, 7); and a control unit (14), configured to independently control the first and the second feeding system (8, 9) and the first and the second heating assembly (10, 11).

A three-dimensional (3D) printer includes a platform assembly on which a 3D object can be built, an extruder, a filament feeding assembly feeding a filament to the extruder, a movable nozzle receiving heated filament from the extruder in a flowable form and directing the flowable filament material on the platform assembly to create the 3D object, and a controlling circuit for controlling an operation of the 3D printer. The platform assembly may include first and second plates separated from one another, a plurality of elongated structures connecting the first and second plates to one another, and a plurality of post assemblies disposed between the first and second plates. The post assemblies may include posts that can be selectively raised and lowered to protrude over the plate, from among the first and second plates, on which the 3D object will be built to assist with the building process.

A method is disclosed for providing a component. During this method, braze powder is additively deposited with a substrate. The braze powder is sintered together during the depositing of the braze powder to provide the substrate with sintered braze material. The sintered braze material is heated to melt the sintered braze material and to diffusion bond the sintered braze material to the substrate to provide braze filler material. A first object is scanned using structured light to provide first object scan data. The first object includes the substrate and the braze filler material diffusion bonded to the substrate. The first object scan data is compared to first object reference data to provide machining data. The first object is machined using the machining data to provide a second object.

The present disclosure relates generally to manufacturing pharmaceutical products using additive manufacturing technology. An exemplary printing system comprises: a material supply module for receiving a set of printing materials; a flow distribution module comprising a flow distribution plate, wherein the material supply module is configured to transport a single flow corresponding to the set of printing materials to the flow distribution plate; wherein the flow distribution plate comprises a plurality of channels for dividing the single flow into a plurality of flows; a plurality of nozzles, wherein the plurality of nozzles comprises a plurality of needle-valve mechanisms; one or more controllers for controlling the plurality of needle-valve mechanisms to dispense the plurality of flows based on a plurality of nozzle-specific parameters; and a printing platform configured to receive the dispensed plurality of flows, wherein the printing platform is configured to move to form a batch of the pharmaceutical product.

An extrusion head is provided for additive manufacturing of a product, preferably based on the fused filament fabrication method. The extrusion head is arranged within a mounting structure, and a convection shield is provided between the extrusion head and the mounting structure.

Systems and methods for manufacturing objects are provided herein. In some embodiments, a method for producing an additively manufactured object includes applying energy to a curable material according to a set of print parameters to form a cured material layer on a build platform or on an object on the build platform. The method can also include conveying remaining material away from the build platform. The method can further include detecting, via one or more sensors, that the remaining material includes a portion of the cured material layer that has separated from the build platform or from the object. The method can subsequently include determining an adjusted set of print parameters configured to improve adhesion of cured material to the build platform or to the object.

A printed circuit board (PCB) serves as a core basic component of the electronic information industry, and the manufacturing process of the PCB faces double challenges of rapid iteration and customization requirements of electronic products. A traditional PCB manufacturing technology (such as mechanical board manufacturing, silk-screen printing and the like) is suitable for large-scale production, but has the defects of long production period, high cost, minimum order quantity limitation and the like, and is difficult to meet the market requirements of small batch and high flexibility. Under the background, the 3D printing technology is completely exposed by means of the efficient customized production capacity, the supply efficiency of a minimum batch of PCBs (such as test single boards and concept verification boards) can be remarkably improved, the production batch constraint of a traditional method is avoided, and the comprehensive cost advantage is shown in the design verification stage. However, the current 3D printing PCB technology is still limited by the circuit complexity and the number of layers and is mostly limited by single / double panel manufacturing, and the performance of the conductive slurry and the base material needs to be optimized urgently. The key technical bottlenecks of interlayer vertical interconnection, multilayer medium lamination manufacturing and the like need to be broken through in the future, so that 3D printing of high-density and multilayer arbitrary interconnection PCBs is achieved, deep application of the technology in the field of intelligent manufacturing and new materials is promoted, and an innovative development opportunity is created for the PCB industry.

A system includes a build platform configured to support an object that is being formed from layers of resin. The system further includes one or more blades configured to provide the layers of resin to form the object on the build platform. At least a first blade of the one or more blades is configured to vibrate to reduce viscosity of the layers of resin.

The invention provides three-dimensional printing equipment and a three-dimensional printing method. The three-dimensional printing equipment comprises a light-permeable material containing mechanism and a printing mechanism, wherein the light-permeable material containing mechanism is provided with a bearing area configured to bear a printing material; a feeding mechanism including a first channel configured to supply a first material and a second channel configured to supply a second material different from the first material; the driving mechanism is configured to move at least one of the material containing mechanism and the material supply mechanism; an optical mechanism configured to project light to the bearing area based on the pattern to cure the first material and the second material; the forming platform mechanism is configured to adhere to the curing layer and can carry the adhered curing layer to be separated from the material containing mechanism, and the curing layer comprises at least one of a part formed by the first material, a part formed by the second material and a part formed by the mixture.

The embodiments of the present disclosure relate to the technical field of a flexible semiconductor 3D additive material, in particular to a system for printing and discharging of a flexible semiconductor 3D additive material and a control method thereof. Ink materials corresponding to different layers of a flexible semiconductor to be printed are pre-treated prior to entering troughs. The ink materials after the pretreatment flow into the multi-channel troughs, the corresponding ink materials are controlled to be sequentially extruded by gases in the corresponding troughs, intertwined and injected into interfaces, and stacked to form a stacked layer structure at end of printheads connected with the interfaces to complete discharging and printing, thereby realizing simultaneous printing of the ink materials of different viscosities and fluidities, improving the printing speed, and realizing direct printing of a sandwich structure of a semiconductor device.

The invention provides a three-dimensional printing method and three-dimensional printing equipment. The three-dimensional printing method comprises the steps that a first material is supplied to a bearing area of a light-permeable material containing mechanism of the three-dimensional printing equipment through a first channel of a material supply mechanism of the three-dimensional printing equipment; a second material different from the first material is supplied to the bearing area of the material containing mechanism through a second channel of the material supply mechanism; a forming platform mechanism of the three-dimensional printing equipment is moved, so that the forming platform mechanism makes contact with the first material and the second material in the bearing area; light rays are projected to the bearing area through an optical mechanism of the three-dimensional printing equipment, so that the first material and the second material are cured, and a curing layer adhering to the forming platform mechanism is formed; and the forming platform mechanism is moved away from the material containing mechanism, so that the curing layer is separated from the material containing mechanism.