Abstract: The present disclosure relates to a method of fabricating a ceramic composite components. The method may include providing at least a first layer of reinforcing fiber material which may be a pre-impregnated fiber. An additively manufactured component may be provided on or near the first layer. A second layer of reinforcing fiber, which may be a pre-impregnated fiber may be formed on top the additively manufactured component. A precursor is densified to consolidates at least the first and second layer into a densified composite, wherein the additively manufactured material defines at least one cooling passage in the densified composite component.

Abstract: The present invention relates to a three dimensional imaging apparatus (3D printer) having a print head unit with multiple passive micro-sized nozzles, wherein the passive micro-sized nozzles are also integrated with material interfaces. The print head unit comprises a nozzle gripper mechanism for picking said passive micro-sized nozzle, a filament or rod feeding mechanism for feeding the material, and a heating mechanism arranged for contactless heating regulating of the lower portion of said passive micro-sized nozzle. A method for printing a three-dimensional object of multi-materials by using an innovative three dimensional imaging apparatus having a print head with multiple passive nozzles is also disclosed. The three-dimensional imaging apparatus is capable of providing different types of materials as well as different color of the materials for creating three-dimensional object.

Abstract: An additive manufacturing technique includes depositing, via a filament delivery device, a filament onto a surface of a substrate. The filament includes a binder and a high entropy alloy powder. The technique also includes sacrificing the binder to form a preform and sintering the preform to form a component.

Abstract: The present invention discloses a system for large scale additive manufacturing, an apparatus for large scale additive manufacturing, and a bio-composite material used for the large scale additive manufacturing. The apparatus and the bio-composite material enable the system to operate in a desired manner. The system is able to facilitate “on demand” manufacturing, is able to provide regional/localised modifications for consumers, is able to minimise transportation/storage costs and also minimises damage to the environment.

Abstract: The present invention provides a method for altering the bead profile for using 3D printing to improve the shear strength of a so manufactured product by altering the bead height of adjacent beads or in adjacent layers such that either the height or the centers of the beads between adjacent layers are altered. This is achieved by either height reduction or by flow rates to alter the height or positioning of the beads by altering the bead profiles the shear strength between adjacent layers in the X-Y plane is improved. The present invention is equally applicable to increasing shear strength in the Y-Z plane or the X-Z plane as desired.

Abstract: A system is disclosed for additively manufacturing a composite structure. The system may include a support, and a print head connected to and moveable by the support. The print head may have an outlet configured to discharge a continuous reinforcement at least partially coated in a matrix, and a device located inside the print head and configured to at least partially coat the continuous reinforcement with the matrix. The system may also include a sensor configured to generate a signal indicative of an amount of the matrix, and a controller in communication with the sensor and the device. The controller may be configured to direct a command to the device to cause the device to advance matrix toward the continuous reinforcement during passage of the continuous reinforcement through the print head, and to selectively adjust the command based on the signal.

Abstract: A droplet discharge apparatus includes a discharge head including a nozzle, a nozzle surface observation device, and processing circuitry. The discharge head including the nozzle is configured to discharge a droplet onto a discharge receiving medium formed of powder. The nozzle surface observation device is configured to observe a nozzle surface of the nozzle of the discharge head. The processing circuitry is configured to calculate an adhesion amount of attached matter to the nozzle surface based on an observation result of the nozzle surface observation device. The processing circuitry is configured to determine, based on a calculation result of the adhesion amount of the attached matter, an operation on a control target that controls at least one of a mass and a discharge speed of the droplet.

Abstract: A method is disclosed for additively manufacturing a structure. The method may include generating at least one tool path, causing the additive manufacturing machine to place material along a first portion of the at least one tool path, and monitoring placement of the material along the first portion of the at least one tool path. The method may also include adjusting a second portion of the at least one tool path based on the placement, and causing the additive manufacturing machine to place material along the second portion of the at least one tool path after the adjusting.

Abstract: The present description discloses a 3D printing pen and a use method therefor. A pen body comprises a nozzle and a filament feeding channel through which a filament passes is formed in the pen body. The pen body further comprises a dyeing mechanism, wherein the dyeing mechanism includes a driving mechanism and a dyeing member, and the driving mechanism configured to drive the dyeing member to dye the filament; a filament feeding mechanism configured to convey the filament to the nozzle; a heating element configured to heat and melt the filament; and a stirring mechanism configured to stir the molten filament.

Abstract: The disclosure relates to print heads for use in the bioprinting of biostructures having predetermined two (2D)- and/or three dimensional (3D) pattern of cells. Specifically, the disclosure relates to print heads operable in a bioprinting systems for the fabrication of edible biostructures using drop-on-demand.

Abstract: Systems and methods for manufacturing elongate medical devices including internal components embedded between multiple jacket layers. The system including a heating cartridge, a heating element, a filament handling system, a substrate handling system, and a controller to feed and melt each of the filaments for forming the multiple jacket layers. The system may include a single heating cartridge adapted to make multiple passes to form a first and second jacket or multiple heating cartridges that sequentially form a first and second jacket.

Abstract: The present disclosure relates to an additive manufacturing system. In one embodiment the system makes use of a reservoir for holding a granular material feedstock. A nozzle is in communication with the reservoir for releasing the granular material feedstock in a controlled fashion from the reservoir to form at least one layer of a part. An excitation source is included for applying a signal which induces a controlled release of the granular material feedstock from the nozzle as needed, to pattern the granular material feedstock as necessary to form a layer of the part.

Abstract: A calibration system for automatically resetting the effective vertical Z coordinate corresponding to the tip of an extruder of a printing head with filler material filament for 3D printers provided with a printing plane movable along the vertical Z axis, wherein the printing head is installed on a carriage for moving the extruder on the horizontal plane XY, includes at least one touch probe unit associated with and operatively connected to the extruder, specifically arranged between the carriage and the extruder itself, including: at least one movable support, at least one touch probe, at least one extruder support, at least one coupling system, at least one carriage, at least one extruder. The movable support is substantially a mechanical spring-operated sliding system, configured to allow the extruder to travel the path needed to activate the touch probe during the touching operation and to return to the printing position.

Abstract: The present disclosure relates to a coaxial nozzle for building a 3D tissue model. Accordingly, a nozzle for 3D tissue bioprinting may include at least one buffer solution inlet, at least one peptide inlet, at least one cell inlet, and a mixing chamber. The least one buffer solution inlet is attached to the at least one peptide inlet. The at least one cell inlet is attached to the at least one peptide inlet. The at least one buffer solution inlet may be attached from a side of the at least one peptide inlet, and the at least one cell inlet may be disposed externally and attached at an angle to the at least one peptide inlet.

Abstract: A temperature controlled dispensing tool includes a mount and a temperature controlled module coupled to the mount. The temperature controlled module may include a barrel housing, a barrel insert, one or more heating element, one or more cooling element, one or more temperature sensors, and a control unit. The barrel insert is removably insertable into the barrel housing and configured to receive a material barrel. The one or more heating elements and the one or more cooling elements are in thermal communication with the barrel insert. The control unit is configured to determine a temperature of the temperature controlled module based on the signal of the one or more temperature sensors, and selectively operate the one or more heating elements and the one or more cooling elements thereby controlling a temperature of the temperature controlled module.

Abstract: A mold insert has at least one filament cavity and a stack of at least a first and second insert plates, wherein the first plate has a front face that closely abuts a front face of the second insert plate. A portion of the a filament cavity is provided in at least one of the front faces of the first and second insert plates such that the filament cavity is open at a top surface of the mold insert but does not extend to a bottom surface of the mold insert. A venting cavity is provided in the same front face of the insert plate in which the portion of the at least one filament cavity is provided. The venting cavity, which is in air-conducting connection with the blind-hole end of the filament cavity, has a depth between 1 ?m and 20 ?m.

Abstract: An additive manufacturing system has an extruder and a printhead module with a conveyor for moving between the extruder and the printhead module. The extruder is operated to form a support layer having microneedle protrusions. The conveyor moves the support layer having the microneedle protrusions to a position opposite the printhead module for sharpening of the microneedle protrusions and the application of a medicament to the sharpened microneedle protrusions.

Abstract: A fused deposition modeling printer comprises a head assembly comprising a heating head. The heating head has a top, a bottom, and a conduit extending between the top and the bottom, wherein the surface of the conduit is adapted to guide a flow of material therein. The heating head comprises an electrically conductive layer along the conduit surface that, when powered, generates heat heating the flow of material traveling in the conduit. One realization uses top and bottom electrical contacts. One realization uses several circumferential electrical contacts to power the heating head.

Abstract: A configurable printing bed for a 3D printer includes a bed surface and linear actuators. The bed surface includes bed surface portions. Each of the bed surface portions is supported for independent movement. When each of the bed surface portions is positioned at the reference level, the bed surface portions form different parts of a common plane. Each of the linear actuators is connected to at least one of the bed surface portions, respectively. The linear actuators are configured to generate the independent movement of the bed surface portions and to effect positioning of the bed surface portions. A 3D printer includes the configurable printing bed, an extruder, a feeding system, and a filament spool. A method for performing 3D printing includes providing the 3D printer and printing an object using the 3D printer.

Abstract: An additive manufacturing apparatus an extruder configured to receive material, a work surface extending so as to define a plane for receiving one or more layers of the material, an applicator assembly secured at a downstream portion of the additive manufacturing apparatus, a nozzle connected to the applicator assembly, the nozzle being configured to receive the material from the extruder and deposit the material on the work surface, and an actuator configured to displace the work surface in a movement direction, wherein the movement direction forms an acute angle with the plane.