Abstract: Calibration data is obtained relating to a printed thickness of an elongate member as a function of position within a container for containing a print medium in an additive manufacturing printer. An object model is obtained representing an object to be printed, the object having elongate members. A position of the object to be printed within the container is determined and respective positions within the container for the elongate members of the object are determined from the determined position of the object. The obtained object model of the object is changed to an amended object model in which the elongate members have respective thicknesses based on the determined respective positions within the container for the elongate members and the calibration data.

Abstract: A three-dimensional printing method can include iteratively applying polymer build material as individual layers; based on a three-dimensional object model, selectively jetting an electromagnetic radiation absorber and a translucency-modulating plasticizer onto individual layers of the polymer build material; and exposing the powder bed to electromagnetic energy to selectively fuse portions of individual layers of the polymer build material together to form a three-dimensional object. The polymer build material can include from about 60 wt % to 100 wt % polymeric particles having an average particle size from about 10 ?m to about 150 ?m and a degree of crystallinity from about 2% to about 60%, to a powder bed. At the locations where the polymer build material includes jetted translucency-modulating plasticizer, the three-dimensional object can exhibit an optical transmittance from about 5% to about 80%.

Abstract: Systems and methods for printing a manufacturing object using solvent melding by additive manufacturing are provided. Build data is uploaded to a controller for creating the manufacturing object. A recoater individually deposits multiple layers of granulized build material within a build box. A printhead deposits a solvent configured to meld the build material at respective areas of the multiple layers in accordance with said build data following deposit of each of the multiple layers of the build material within the build box.

Abstract: The invention relates to a device and a method for producing three-dimensional shaped parts by means of a layer construction method on a construction field in a construction space of a device, wherein materials are supplied to and discharged from the construction space. A supplying and discharging of all materials is carried out in a spatial direction of the device.

Abstract: The present invention relates to a suspension comprising 50-95% by weight of the total suspension (w/w) of at least one metallic material and/or ceramic material and/or polymeric material and/or solid carbon containing material; and at least 5% by weight of the total suspension of one or more fatty acids or derivatives thereof. In addition, the invention relates to uses of such suspension in 3D printing processes.

Abstract: A detection device for a 3D printer and a 3D printer are provided. The detection device includes: a housing defining at least one feed port, a discharge port, a feed channel, and a discharge channel, the feed channel and the discharge channel form an internal cavity, and at least one hole in communication with the internal cavity is provided; at least one magnet respectively arranged in a hole, an end of the magnet inserted into the internal cavity is shaped with an end surface, such that when the printing filament is fed to a position of the magnet, the tip of the printing filament presses the end surface, thereby pushing the magnet to move to a predetermined position; and at least one Hall sensor, arranged to cooperate with a corresponding magnet, such that the Hall sensor is triggered when the corresponding magnet moves to the predetermined position.

Abstract: A method of providing high-speed three dimensional (3D) printing is described. The method includes producing at least one three dimensional (3D) printed part. Producing the 3D part includes continuously constructing to extend outwardly a diameter of a rotating cylindrical core via continuous deposition of a layer, and defining a first pattern in the continuously deposited layer corresponding to a cross-section of the at least one 3D printed part.

Abstract: A method for producing three-dimensional molded parts by means of layering, the moisture content of the build material mixture being able to be regulated.

Abstract: In an example of a method for forming three-dimensional (3D) printed electronics, a build material is applied. A fusing agent is selectively applied on at least a portion of the build material. The build material is exposed to radiation and the portion of the build material in contact with the fusing agent fuses to form a layer. An electronic agent is selectively applied on at least a portion of the layer, which imparts an electronic property to the at least the portion of the layer.

Abstract: An assembly useful for thermoforming a dental aligner from polymer sheet material includes (a) a custom dental model having a planar bottom surface and a receptacle formed in said planar bottom surface; and (b) a reusable die removably received in said receptacle.

Abstract: A rotary tablet press comprises a rotor comprising a rotary drive configured to rotate the rotor and a die plate that rotates with the rotor and comprises a plurality of cavities and a plurality of upper and lower punches. A rotational speed governor is configured to drive the rotary drive of the rotor by comparing a measured rotor rotational speed with a target rotational speed value. A pilot control apparatus is configured to provide an additional target torque for driving the rotary drive. The additional target torque is based on values of a pressing force of at least one of the upper and lower punches input into the pilot control apparatus.

Abstract: A three-dimensional (3D) printer includes a frame, a first calibration device coupled to the frame, a dispensing system having a cartridge holder with a sensor mounted at a location relative to the cartridge holder, and a multi-axis positioning system for moving the dispensing system relative to the frame. Methods for calibrating the 3D printer are also disclosed.

Abstract: A three-dimensional object shaping method includes the steps of a powder layer forming step, a sliding step of a squeegee on the supplied powder, and a sintering step of irradiating the powder layer, all successively repeated, wherein after dividing shaping regions into a plurality of laminating units, each laminating unit of the plurality of laminating units is divided into an inside region including a maximum prearranged sintering region, and an outside region not including the maximum prearranged sintering region, and wherein the squeegee sliding speed in the outside region is set to be greater than the sliding speed in the inside region.

Abstract: The present invention pertains to a powder material used to manufacture a three-dimensional modeled object by selectively radiating laser light to a thin layer of the powder material including powder particles, forming a modeled object layer obtained by melt-binding of the powder particles, and layering the modeled object layer. The powder particles include a core resin and a shell resin for coating the core resin, the temperature at which the storage modulus G? of the material constituting the shell resin is 1×106.5 Pa being higher than the temperature at which the storage modulus G? of the material constituting the core resin is 1×106.5 Pa. The abovementioned powder material, makes it possible to manufacture a three-dimensional modeled object having higher definition.

Abstract: A method for producing a component layer-by-layer include the steps of: depositing a layer of particulate material having a first area over a build platform; applying a radiant-energy-curable binder to the layer so that a selected portion of the first area is uniformly coated with binder; selectively curing a second area of the layer smaller than the selected portion of first area, using an application of radiant energy in a specific pattern that defines the geometry of a cross-sectional layer of the component; and repeating the steps of depositing, applying, and curing for a plurality of layers until the component is complete.

Abstract: A system and method for forming a porous ceramic preform is provided. The method may include forming a stacked powder structure including a binder layer and a powder layer on the binder layer. The binder layer may be formed by depositing a binder with a spray nozzle on a substrate. The powder layer may be formed by depositing a powder on the binder layer. The porous ceramic preform may be formed by heating the stacked powder structure to pyrolyze the binder. The porous ceramic preform is configured to be infiltrated by a molten material. The substrate may comprise a ceramic fiber preform. After melt infiltration of the porous ceramic preform and the ceramic fiber preform, a densified ceramic feature having a predetermined geometry may be formed on a ceramic matrix composite (CMC) component.

Abstract: A blade changer includes a housing with a port, a magazine supported within the housing, and a manipulator. The manipulator is operably associated with the magazine and has a reach extending beyond the port to interchange re-coater blades between the magazine and an additive manufacturing system coupled to the port. Additive manufacturing systems and methods of interchanging a deployed re-coater blade with a staged re-coater blade are also described.

Abstract: Provided is a manufacturing method of a three-dimensional object for manufacturing a three-dimensional object by laminating unit layers using a fluid constituent material. The manufacturing method includes a unit layer formation step of forming the unit layer of one layer by forming a first unit layer in which first layers each having a first thickness are laminated and then forming a second unit layer formed of a second layer having a second thickness greater than the first thickness to adjoin the first unit layer. By executing such a manufacturing method of the three-dimensional object, it is possible to manufacture a highly dense three-dimensional object in a short time.

Abstract: The present disclosure is drawn to material sets, methods and printed articles and container supports. In one example, a material set can include a particulate fusible build material a particulate fusible build material having an average particle size ranging from about 0.01 ?m to about 200 ?m. The material set can also include a fusing ink including a fusing agent in a first liquid vehicle, wherein the fusing agent fuses the particulate fusible build material when exposed to electromagnetic energy or thermal energy. The material set can also include a binding ink including a binding agent in a second liquid vehicle, wherein the binding agent temporarily binds the particulate fusible build material when exposed to moderate temperatures ranging from ambient to 150° C.

Abstract: A method for manufacturing a three-dimensionally shaped object includes: forming a thin layer of a powder material containing core-shell type resin particles containing a core resin and a shell resin with a storage elastic modulus G? of 1×108.0 Pa or more at a temperature Tc(7.0) at which the storage elastic modulus G? of the core resin is 1×107.0 Pa; selectively irradiating the formed thin layer with laser light to form a shaped object layer in which the resin particles contained in the powder material are sintered or fused; and a step of performing the step of forming the thin layer and the step of forming the shaped object layer in this order a plurality of times to laminate the shaped object layer. In the forming of the shaped object layer, a surface temperature of the thin layer is higher than Tc(7.0).

Abstract: Machine and method for compacting ceramic powder; a layer of non-compacted ceramic powder is conveyed in a feed direction through a compacting device; downstream of the compacting device there is positioned a detection device which detects the density of the layer of compacted ceramic powder; the quantity of ceramic powder fed to the compacting device is varied in time as a function of what is detected by the detection device to thus regulate the density of the layer of compacted ceramic powder.

Abstract: The invention relates to an aqueous binder composition comprising a carbohydrate component, possibly a crosslinker and possibly reaction product of carbohydrate component with crosslinker, further comprising a phenalkamine. The invention further discloses binders obtained therefrom and composite products manufactured therewith.

Abstract: The invention relates to heat treatment of polymorphic semicrystalline or crystallizable polymers to increase the content of the highest melting crystalline form. Such heat treatment results in a polymer powder that has a consistent, uniform melting range, improved flow and improved durability of the powder particle size for applications that require powder flow at elevated temperatures. In addition to improved powder properties, the articles produced from the powders also exhibit better physical properties in both appearance and in mechanical properties. Thus the invention also includes polymer powders and articles produced by the described processes.

Abstract: The invention relates to a rotary press having height-staggered ram tips for carrying out at least two pressing operations, which preferably build on one another. Furthermore, the invention relates particularly to rotary presses and methods for producing multi-layer and coating-core tablets and for pressing tablets into cups during a rotation.

Abstract: Apparatus (1, 23, 27, 30) for additively manufacturing of three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam, whereby the apparatus (1, 23, 27, 30) comprises at least one process chamber (4) with at least one chamber separation device (5, 24, 28, 31) separating a process region (6) into a first sub-region (7) and a second sub-region (8) of the process chamber (4), wherein the chamber separation device (5, 24, 28, 31) comprises at least one separation element (9, 29, 31) that is moveable and/or deformable, wherein the separation element (9, 29, 31) is configured to create a passageway (18) between the first and the second sub-region (7, 8) for at least one tool carrier (19).

Abstract: A fabricating apparatus includes a fabricating device, a sensor, and a control unit. The fabricating device is configured to fabricate a fabrication layer according to fabrication data of a three-dimensional object. The sensor is configured to measure a shape of the fabrication layer. The control unit is configured to control the fabricating device according to the fabrication data and the shape of the fabrication layer measured with the sensor.

Abstract: A composite body includes a bound mixture, a resin and a coating. The bound mixture includes a binder and a plurality of particles. The resin fully infiltrates the bound mixture such that the resin fully infiltrates an entire thickness of the bound mixture. The composite body is formed by combining a plurality of particles with a binder to form a bound mixture and infiltrating the bound mixture with a resin to a depth such that substantially an entire thickness of the bound mixture contains the resin. The coating defines an outer layer of the composite body.

Abstract: Methods for manufacturing articles of footwear are provided. In various aspects, the methods comprise utilizing additive manufacturing methods with foam particles. In some aspects, the disclosed methods comprise selectively depositing a binding material on foam particles in a target area such that the binding material coats at least a portion of defining surfaces of the foam particles with the binding material. The binding material is then cured to affix foam particles in the target area to one another. In various aspects, the disclosed methods can be used to manufacturer articles with sub-regions that differential levels of affixing between the foam particles, and thereby resulting in sub-regions with different properties such as density, resilience, and/or flexural modulus. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Abstract: The invention discloses a double-layer tablet, wherein one layer has hole in which the ingredients of the other layer are filled; the number of said hole is 1-3, the diameters of the holes are 1-10 mm. Each layer of the double-layer tablet includes the active ingredients and the adjuvant materials and can be the rapid-release layer or sustained-release layer respectively. The preparation method: Preparing respectively a component I and a component II, both of them containing the active ingredients and the pharmaceutical excipients, and preparing the tablet having holes from component I; Forming the double-layer tablet composed of the component I layer and the component II layer after pressing said tablet having holes with the component II together; and filling the component II into the holes during compressing.

Abstract: A method for preparing a PEKK powder for use in SLS includes the steps of: providing a raw, non-powder PEKK material; heat treating the raw PEKK to evaporate at least substantially all of a liquid solvent in the raw PEKK, causing at least substantially all of the raw PEKK to be in the form of irregularly-shaped particles; cooling the raw PEKK; and grinding the raw PEKK to form a PEKK powder.

Abstract: The invention discloses a double-layer tablet, wherein one layer has hole in which the ingredients of the other layer are filled; the number of said hole is 1-3, the diameters of the holes are 1-10 mm. Each layer of the double-layer tablet includes the active ingredients and the adjuvant materials and can be the rapid-release layer or sustained-release layer respectively. The preparation method: Preparing respectively a component I and a component II, both of them containing the active ingredients and the pharmaceutical excipients, and preparing the tablet having holes from component I; Forming the double-layer tablet composed of the component I layer and the component II layer after pressing said tablet having holes with the component II together; and filling the component II into the holes during compressing.

Abstract: The present invention relates to an apparatus, preferably a press, comprising a cavity which is to be filled and at least a first material feed, for a first material, and a second material feed, for a second material, wherein the first and the second material feeds are arranged separately from one another, having a feeding apparatus for feeding the first and the second materials into the cavity which is to be filled, wherein the feeding apparatus has a mouth-opening cross section with at least a first region of the mouth-opening cross section for the first material, and with a second, separate region of the mouth-opening cross section for the second material, for filling the cavity preferably in parallel, and at separate locations. A method and also a blank are proposed in addition.

Abstract: A three-dimensional shaping apparatus includes: a shaping chamber configured to hold powder; a leveler configured to move from a first position to a second position in a first direction on a top surface of the powder held in the shaping chamber to flatten the top surface of the powder; an ejector configured to eject a shaping liquid to the flattened top surface of the powder held in the shaping chamber; and a suction mechanism including a suction inlet arranged close to the second position of the shaping chamber.

Abstract: In example implementations, an apparatus includes a housing, a movable base, a tab portion and a coupling mechanism. The housing is comprised of a microwave transparent material. The movable base is coupled to the housing to receive build material that is digitally printed. The tab portion is coupled to a bottom portion of at least one wall of the housing. The tab portion stops the movable base. The coupling mechanism is coupled to the housing to removably attach the apparatus to a three dimensional printer.

Abstract: This disclosure generally relates to methods and apparatus for 3D printing of highly viscous materials, especially to high amplitude ultrasonic vibration facilitated lower temperature 3D printing of highly viscous materials with a viscosity of at least 1000 Pa·s.

Abstract: The present disclosure is drawn to material sets, methods and printed articles and container supports. In one example, a material set can include a particulate fusible build material having an average particle size ranging from about 0.01 ?m to about 200 ?m, wherein the particulate fusible build material is a polymer powder, a metal composite powder, or a combination thereof. A fusing ink includes a fusing agent in a first liquid vehicle, wherein the fusing agent fuses the particulate fusible build material when exposed to electromagnetic energy or thermal energy. A binding ink includes a binding agent in a second liquid vehicle, wherein the binding agent temporarily binds the fusible build material when exposed to moderate temperatures ranging from ambient to 150° C.

Abstract: The present invention provides a method of manufacturing a three-dimensional product having uniform mechanical properties using an SLS 3D printer including the steps of: preparing a mixed powder material by mixing resin powder and glass bubbles, wherein the specific gravity of the glass bubbles is from about 0.8 to about 1.2 times that of the resin powder; supplying the mixed powder material to the 3D printer using a roller; and selectively sintering the mixed powder material by irradiating the powder material using a laser based on 3D data of the product to be manufactured.

Abstract: In an example implementation, a method of printing a multi-structured three-dimensional (3D) object includes forming a layer of sinterable material. The method includes processing a first portion of the sinterable material using first set of processing parameters and processing a second portion of the sinterable material using a second set of processing parameters. The processed first and second portions form, respectively, parts of a first and second structure of a multi-structured 3D object.

Abstract: According to a manufacturing method and device for manufacturing a composite material having reinforced base materials with a resin impregnated in the reinforced base materials. An unactivated powdered adhesive is applied to at least one surface of a plurality of carbon fiber sheets. The carbon fiber sheets are laminated to form a laminate. At least a portion of the unactivated powdered adhesive that is applied between layers of the laminate is removed using an airflow that flows from one exterior surface of the laminate to an opposite exterior surface of the laminate to form a preform having a first region in which the activated adhesive is impregnated in the laminate, and a second region in which a content density of the activated adhesive is less than that in the first region.

Abstract: The invention relates to a method, a device and a binding agent system for producing three-dimensional models.

Abstract: Provided is a three-dimensional shaped article with relatively high strength and relatively high accuracy. A sintering and shaping method includes: a shaping layer forming process of forming a shaping layer by using a sintering and shaping material in which inorganic particles are included; a process of applying a liquid binding agent, in which a thermoplastic resin and inorganic particles are included, to a desired region of the shaping layer; a process of curing the liquid binding agent, which is applied, to form a shaping cross-sectional layer (shaping portion); a process of removing a region (non-shaping portion) of the shaping layer to which the liquid binding agent is not applied; and a process of heating the shaping cross-sectional layer that is laminated for a sintering treatment.

Abstract: Provided is a liquid material for forming a three-dimensional object used for forming a three-dimensional object made of a powder material for forming a three-dimensional object containing an organic material and a base material, wherein the liquid material contains a cross-linking agent cross-linkable with the organic material and a water-soluble resin having a weight average molecular weight of greater than or equal to 50,000.

Abstract: In general, in various embodiments, the present disclosure is directed systems and methods for producing a porous surface from a solid piece of polymer. In particular, the present disclosure is directed to systems that include a track assembly, mold assembly, press assembly, and methods for using the same for producing a porous surface from a solid piece of polymer. In some embodiments, the present systems and methods are directed to processing a polymer at a temperature below a melting point of the polymer to produce a solid piece of polymer with an integrated a porous surface.

Abstract: A three-dimensional printer (1) includes a material supply device (3) that supplies material powder to a table which is movable vertically, a powder retaining wall (26) that surrounds the table and retains the material powder, a material-recovery bucket (30) that accommodates excess material powder and impurities discharged from the powder retaining wall, an impurity removing device (43) that removes the impurities from the material powder, and a material drying device (47) that dries the material powder. The material powder from which the impurities have been removed and which has been dried is returned and recycled to the material supply device.

Abstract: Apparatus, computer readable medium, or method to determine a layer volume change in a processed layer of powder, and distribute an additional amount of powder in a subsequent layer based on the determined layer volume change.

Abstract: A method of forming a three-dimensional object useful as a casting mold is carried out by providing a carrier and an optically transparent member having a build surface, the carrier and the build surface defining a build region therebetween; filling the build region with a liquid photocurable ceramic resin; irradiating the build region through the optically transparent member to form a solid polymer from the polymerizable liquid and advancing the carrier away from the build surface to form the three-dimensional object from the solid polymer, while also concurrently with the irradiating and/or advancing steps: (i) continuously maintaining a dead zone of polymerizable liquid in contact with the build surface, and (ii) continuously maintaining a gradient of polymerization zone between the dead zone and the solid polymer and in contact with each thereof. The gradient of polymerization zone comprises the polymerizable liquid in partially cured form (e.g.

Abstract: A method and device of providing a replica masturbation device is disclosed. Users upload images of their body parts to a central database, and other users use data sets generated based on these images from the central database to produce replica masturbation devices of the user's body parts.

Abstract: An apparatus for fabricating a part, comprising a curved shaft; a build plate connected to the curved shaft; a motor; and a transmission connecting the motor and the curved shaft. The build plate moves along a curved path having a radius of curvature originating on an axis when the transmission transfers power from the motor to the curved shaft. Material deposited on the build plate along the curved path forms the part comprising a solid of revolution around the axis. In one or more examples, the part is an aircraft engine inlet.

Abstract: A print system and a method for curing marking material on an object using an active transparent display in a three dimensional (3D) object printer are disclosed. For example, the print system includes a plurality of printheads, a curing light source, a movable member to hold an object, an active transparent display and a controller to control movement of the movable member to move the object past the array of printheads, to operate the plurality of printheads to eject the marking material onto the object as the object passes the two-dimensional array of printheads, to control movement of the movable member, to control the active transparent display and to operate the curing light source to apply energy to cure the marking material, wherein the amount of energy that is applied to the object is controlled by a mask that is displayed on the active transparent display.

Abstract: Methods of burning combustible gas mixtures on a surface of a permeable matrix providing surface stabilized combustion (SSC) with increasing amounts of radiation energy emitted by the surface of the permeable matrix and decreasing concentrations of pollutant components in the combustion products are provided. The gas mixture is fed to a burner that includes a permeable matrix material having a first thermal conductivity. The gas mixture is preheated as it travels through the permeable matrix material. The gas mixture is then combusted at or near exit pores and channels formed at a combustion surface of the permeable matrix material, the combustion surface at least in part coated with a coating material having a thermal conductivity less than the permeable matrix material thermal conductivity and a high optical transmittance in the infrared spectrum.