Abstract: A nozzle holder assembly for a three-dimensional printer comprises a mount, a printer nozzle, and a locking mechanism. The mount is operable to be secured to the three-dimensional printer. The printer nozzle shaft is movably coupled to the mount along a predetermined length. The locking mechanism is configured to fix the printer nozzle shaft relative to the mount at any position along the predetermined length.

Abstract: Techniques for producing a flat film surface in additive fabrication are provided. According to some aspects, a movable stage may be arranged beneath a container having a base that includes a flexible film. The movable stage may include a segmented member in which a number of segments are aligned along a common axis. The segmented member may maintain contact with the flexible film as the movable stage moves beneath the container, with the segmented member producing a flat surface of the flexible film, at least within a region above the movable stage. According to some embodiments, multiple segmented members may be provided within the movable stage, such as in parallel with one another.

Abstract: A magnetic powder dispensing structure for tablet printing comprises a powder collecting device, a printing device, a guide rod device and a printing platform, the powder collecting device comprises a powder collecting box, a powder feeding device, a plurality of stirring rods, a plurality of rocker arms, a pressing rod, a driving motor and a first electromagnetic attraction device; the printing device comprises a second electromagnetic attraction device. The printing device and the powder collecting device are capable of moving laterally through the guide rod device, and capable of being magnetically attracted with each other or detached from each other by energizing or de-energizing the first electromagnetic attraction device and the second electromagnetic attraction device, thereby the powder collecting device can be driven when dispensing powder, and the printing device is capable of operating independently during printing.

Abstract: A powder removal fixture includes a mounting arm extending along and rotatable about a mounting arm axis, at least one pneumatic knocker mounted to the mounting arm via a strike plate, and configured to impact the strike plate, and a build plate attachment mechanism disposed on the mount bar, and configured to receive a build plate having an at least partially formed component.

Abstract: A system and method for manufacturing a space-based component in space. The method includes collecting and capturing space debris directly from and suspended in space, heating the collected space debris using solar radiation in a manner that separately and independently melts different constituent elements and compounds in the space debris, collecting the different constituent elements and compounds as they are being separately melted, storing the elements and compounds in a molten, solid or vapor form, and fabricating the space-based component using the stored elements and compounds.

Abstract: A method for the additive manufacturing of a composite component in which a fluid matrix material by way of an additive manufacture is introduced successively into a manufacturing device with the formation of an additively manufactured component. A reinforcing element is at least partly introduced into the fluid matrix material and/or arranged on the fluid matrix material.

Abstract: In one example, an apparatus for supplying material to an additive manufacturing platform comprises a rotatable delivery module comprising a vane; and a plurality of distribution elements. In use, the rotatable delivery module is controllable to rotate the vane to a supply position to enable material to be supplied to an additive manufacturing platform from the vane. The vane and the plurality of distribution elements are arranged such that during the rotation: the vane provides a dose amount of material from a material supply module for supply to an additive manufacturing platform and at least one of the plurality of distribution elements distributes material within the material supply module so that the vane supplies a substantially uniform dose of material along the length of the vane to the additive manufacturing platform.

Abstract: A method of forming an implant includes: placing a scaffold having a plurality of pores formed therein in a mold part cavity of a mold cavity of a mold, the placed scaffold including at least one vent opening that accepts at least one mold insert post of the mold, the at least one vent opening and the at least one mold insert post forming a clearance therebetween; and injecting molding material into the mold cavity to fill the mold cavity and form the implant such that gas flows through the clearance without molding material flowing through the clearance during the injecting.

Abstract: According to examples, an apparatus may include an agent delivery device to deliver a coalescing agent to selected locations of a build material layer and a plurality of microwave energy emitters, each of the microwave energy emitters including a tip to generate a focused microwave energy field onto a respective area near the tip, in which the tip is to be positioned to place a portion of the build material layer within the focused microwave energy field. The apparatus may also include a controller that may control the microwave energy emitters to direct microwave energy onto the build material layer.

Abstract: An additive manufacturing apparatus includes a supporting portion, a powder supplying portion, a flattening member, a curing portion, and a controller. The supporting portion is configured to detachably support a shaping stage. The powder supplying portion is configured to supply powder. The flattening member is configured to move in a scanning manner above the shaping stage attached to the supporting portion. The controller is configured to execute a measuring process of detecting inclination between a shaping surface of the shaping stage attached to the supporting portion and a trajectory plane of a trajectory of scanning movement of the flattening member, an adjustment process of adjusting an orientation of the shaping stage on a basis of a detection result of the measuring process such that a degree of parallel between the shaping surface and the trajectory plane increases, a powder layer formation process, and a curing process.

Abstract: A plasticizing device includes a passage defining section that is coupled to a hopper which stores a material and that defines a supply passage to which the material is supplied from the hopper, a plasticizing section that includes an introduction portion which communicates with the supply passage, and a screw, and that plasticizes the material supplied from the introduction portion by rotation of the screw to form a molten material, and a material detection section that detects the presence or absence of the material in the supply passage.

Abstract: A machine and method of forming an article generally comprising extruding a molten bead of thermoplastic material along x, y and z axes in forming an article consisting of a strata of such material, and passing a roller over each applied portion of such molten bead to compress such bead portion, enhancing the fusion of engaging plies of such extruded material.

Abstract: The disclosure is of and includes at least an apparatus, system and method for a print head for additive manufacturing. The apparatus, system and method may include at least two proximate hobs suitable to receive and extrude therebetween a print material filament for the additive manufacturing, each of the two hobs comprising two halves, wherein each of the hob halves comprises teeth that are offset with respect to the teeth of the opposing hob half; a motor capable of imparting a rotation to at least one of the two hobs, wherein the extrusion results from the rotation; and an interface to a hot end capable of outputting the print material filament after at least partial liquification to perform the additive manufacturing.

Abstract: A 3D printer for printing consumable items, the 3D printer comprising: a print head arranged to position nozzles of a plurality of liquid dispensers to define a regular polygon around a first Z axis; an actuator device operable to dispense a portion of liquid from each liquid dispenser; a print bed comprising a print zone, the print zone comprising a plurality of print locations arranged to define a regular polygon around a second Z axis; a translation device operable to move the print bed relative to the print head along X and Y axes; and a rotation device operable to cause relative rotation between the print zone and the print head such that, with the first Z axis aligned with the second Z axis, the actuator is operable to dispense liquid from each liquid dispenser onto a respective print location and thereafter the rotation device is operable to cause relative rotation between the print zone and the print head to place each print location in registration with a different one of the nozzles.

Abstract: A method for making a component at a device is disclosed. In an embodiment the device includes a powder depot, a work space and a laser, wherein the work space includes a powder bed and an assembly, and wherein the assembly includes a thermally insulating embedding mass and a heat conducting mold. In a further embodiment, the method includes fastening, by the assembly, an element at the work space and forming the component at the element by repeatedly moving, by a wiper, powder from the powder depot to the powder bed at the work space and heating, by a laser beam of the laser in an additive process, portions of the powder in the powder bed so that the component is built on the element, wherein the additive process comprises selective laser melting (SLM) or selective laser sintering (SLS), and wherein the embedding mass is independent and distinct from the powder and the component.

Abstract: An additive manufacturing apparatus includes a feed module and a take-up module that are configured to operably couple with a foil. A stage is configured to hold one or more cured layers of a resin that form a component. A radiant energy device is positioned opposite to the at least one stage. The radiant energy device is operable to generate and project radiant energy in a predetermined pattern. An actuator is configured to change a relative position of the at least one stage and the foil. An accumulator is positioned between the feed module and the take-up module. The accumulator is configured to retain an intermediate portion of the foil to allow a first portion of the foil upstream of the accumulator to move at a first speed and a second portion of the foil downstream of the accumulator to move at a second speed during a defined time period.

Abstract: The invention relates to a method and to a corresponding system for providing a dental prosthesis made from ceramic material having a colour matched to the patient comprising the following steps: (i) receiving a desired nominal colour for the dental prosthesis, determining a deviation between the nominal colour and actual colour of the sintered ceramic material by the control unit and defining a temperature time cycle having a cycle time suitable for compensation of the deviation, for sintering at a defined sintering temperature and creating a corresponding sintering program by the control unit; and (ii) adjusting the actual colour of the selected ceramic material to the nominal colour in the sintering furnace by the sintering program executed by the sintering furnace.

Abstract: An additive manufacturing method includes providing a polymeric material and changing a cooling rate of the polymeric material by adding a second material to the polymeric material. The additive manufacturing method also includes providing the polymeric material and the added second material to an additive manufacturing apparatus and depositing the polymeric material, having the changed cooling rate, with the additive manufacturing apparatus at a deposition rate that is based at least in part on the changed cooling rate of the polymeric material.

Abstract: An extruder for extrusion of material, the extruder comprising a screw (110), a barrel (120), a controller, and a force sensor wherein at least a section (110b) of the screw (110) is conical and wherein at last a section (120b) of the barrel (120) is conical wherein the extruder (100) is adapted for displacing the screw (110) in an axial direction of the screw (110), such that by an axial displacement of the screw with regard to the barrel the size of a leakage gap (180) between the screw (110) and the barrel (120) is modified, wherein the extruder is adapted for actively obtaining operational characteristics and wherein the controller (160) is adapted for controlling the axial displacement of the screw (110) as a function of the operational characteristics of which at least one is an upward force of the material or an upward force on the screw.

Abstract: A device for generative manufacturing of an object made up of a plurality of cross sections. The device includes an application unit including an application surface for applying a sinterable material as a reproduction of one of the cross sections of the object on the application surface, a substrate for accommodating the reproduction from the first application surface, and a curing unit for curing the reproduction made of the sinterable material on the substrate, the curing unit being situated spatially separated from the application unit.