Abstract: The present invention relates to a 3D printer with an exposure system for a large-scale screen.

Abstract: The present invention relates to a 3D printer and a printing system. The present invention may include: a storage unit formed in a hexahedral shape and having an open top and a bottom surface formed of a film layer comprising an upper film layer, the storage unit storing a photocurable material therein; a light source unit comprising at least one light emitting diode, the light source unit being disposed below the storage unit and radiating light toward the photocurable material; and a switching unit comprising an LCD panel disposed between the light source unit and the storage unit, the switching unit opening and closing each pixel included in the LCD panel to selectively pass light emitted from the light source unit toward the photocurable material. Accordingly, light emitted from below the storage unit can be emitted toward the photocurable material without being distorted.

Abstract: Provided herein according to some embodiments is a method of forming a three-dimensional object comprising nylon 6 by additive manufacturing, as well as objects so produced. Also provided is a polymerizable liquid composition useful for producing a three-dimensional object comprising nylon 6 by additive manufacturing, which composition may include: (a) a light polymerizable first component, and (b) a heat polymerizable second component; said heat polymerizable second component comprising: (i) caprolactam monomers, (ii) a catalyst for anionic polymerization of caprolactam, and (iii) an initiator for anionic polymerization of caprolactam.

Abstract: A method of forming a bulk product includes the step of coating a particulate conductive phase material with a binder phase, and forming the coated conductive phase material into at least one of sheet stock, tape formed into a bulk material. A method of forming a bulk product includes the step of coating a particulate conductive phase material with a binder phase and forming the coated conductive phase material into a bulk material. The conductive phase material includes at least one of two dimensional materials, single layer materials, carbon nanotubes, boron nitride nanotubes, aluminum nitride and molybdenum disulphide (MoS2). A component is also disclosed.

Abstract: An adhesive dispensing device, for use in layered object manufacturing (LOM) systems for rapid prototyping of a 3 dimensional (3D) object, for the application of adhesive to a target substrate S defining a layer of a 3D object, the device comprising an adhesive applicator wheel having a plurality of circumferentially spaced apart recesses for receiving adhesive, the adhesive dispensing device being movable relative to the target substrate to deposit adhesive at selected locations thereon, wherein the adhesive dispensing device is mounted for translation relative to the target substrate via a pivot mount configured such that the wheel aligns with its direction of translation relative to the target substrate to deposit adhesive at the selected locations.

Abstract: A molding material is provided which, despite containing a ceramic, enables efficient molding for producing high-density molded articles. The present invention provides a molding material to be used in powder laminate molding. This molding material contains a first powder which contains a ceramic, and a second powder which contains a metal. Further, the first powder and the second powder configure granulated particles. Ideally, the ratio of the content of the second powder to the total content of the first powder and the second powder is greater than 10 mass % and less than 90 mass %.

Abstract: A three dimensional printing system for producing a three dimensional article of manufacture includes a build platform, a powder dispensing apparatus, a light emitting device head, a drop ejecting head, a movement mechanism, and a controller. The light emitting device head may be a vertical cavity surface-emitting laser (VCSEL) head that has a columnar arrangement of VCSELs that emit light having a defined spectral distribution. The drop ejecting head is configured to separately eject a plurality of different inks having correspondingly different absorption coefficients for the defined spectral distribution. The controller operates the powder dispensing apparatus to dispense powder, move and operate the drop ejecting head to define an array of inked pixels, and move and operate the VCSEL head to fuse the inked pixels. The controller varies an energy output of the VCSELs in correspondence with a variation of an absorption coefficient of the inked pixels.

Abstract: According to an example, a composition may include a high melt temperature build material in the form of a powder; a first low melt temperature binder in the form of a powder; and a second low melt temperature binder in the form of a powder, and in which the first low melt temperature binder melts at a temperature that is different from the second low melt temperature binder.

Abstract: In an example, a print device comprises: a heat pump (102) to extract heat from a fluid source to produce cooled fluid and to transfer the heat from the fluid source to heat a print material (108), wherein the cooled fluid is used to cool a component (106) of the print device.

Abstract: A machine is provided for the additive manufacture of a part by complete or partial selective melting of a powder, the machine including: a horizontal working plane; at least one spreading device; at least one system for dispensing powder over the working plane comprising at least one slide for receiving powder and at least one powder injector, the receiving slide being movable in translation, with respect to the working plane, and the injector being positioned above the receiving slide, so as to dispense powder over the receiving slide which is moving between a retracted position and a deployed position.

Abstract: A print head is disclosed for use with an additive manufacturing system. The print head may include a nozzle having a base end, a tip end, and a cylindrical passage extending from the base end to the tip end. The print head may also include a compactor located at least partially inside of the nozzle at the tip end.

Abstract: A print head is disclosed for use with an additive manufacturing system. The print head may include a nozzle, and a traveling anchor point mounted at a trailing side of the nozzle. The traveling anchor point may include an arm extending radially outward from the nozzle, and a plunger slidingly disposed in the arm. The traveling anchor point may also include an actuator configured to selectively move the plunger from a stowed position to an engaged position against material discharging from the nozzle.

Abstract: A print head is disclosed for use with an additive manufacturing system. The print head may include a nozzle configured to discharge a composite material. The print head may also include a source of tint configured to apply the tint to the composite material.

Abstract: A print head is disclosed for use with an additive manufacturing system. The print head may include a housing configured to receive a prefabricated woven sleeve, and a fiber guide disposed at least partially inside the housing and configured for insertion into the prefabricated woven sleeve. The print head may also include a diverter connected to an end of the fiber guide inside of a downstream mouth of the housing, and at least one cure enhancer located at the mouth of the housing.

Abstract: A print head is disclosed for use with an additive manufacturing system. The print head may include a nozzle having an internal passage and at least one ellipsoidal orifice. The print head may also include a fiber guide disposed at least partially inside the nozzle and dividing the internal passage into a plurality of channels. A length of each of the plurality of channels extends in an axial direction of the nozzle.

Abstract: A print head is disclosed for use with an additive manufacturing system. The print head may include a nozzle tip, a first matrix source configured to selectively supply a structural matrix to the nozzle tip, and a second matrix source configured to selectively supply a temporary support matrix to the nozzle tip. The print head may also include a reinforcement supply configured to supply a continuous reinforcement through the nozzle tip only when the first matrix source is supplying the structural matrix to the nozzle tip.

Abstract: The present disclosure is drawn to material sets for 3-dimensional printing. The material set can include a thermoplastic polymer powder having an average particle size from 20 ?m to 100 ?m, a conductive fusing ink comprising a transition metal, and second fusing ink. The second fusing ink can include a fusing agent capable of absorbing electromagnetic radiation to produce heat. The second fusing ink can provide a lower conductivity than the conductive fusing ink when printed on the thermoplastic polymer powder.

Abstract: The present disclosure relates to a bioprinter, which comprises a spray head, a connector and a bioprinting material container having a discharge pipe, wherein a first end of the connector is threadedly connected with the discharge pipe, and a second end of the connector is detachably connected with the spray head. The bioprinter is configured such that, a connector is provided between the discharge pipe of the bioprinting material container and the spray head, wherein the first end of the connector is threadedly connected with the discharge pipe, and the second end is detachably disposed on the spray head.

Abstract: Cyclic olefin copolymer (COC) and cyclic olefin polymer (COP) are useful as support material for 3D printing of high temperature polymers, such as polyimides.

Abstract: In one example, a build material supply for an additive manufacturing machine includes a container to de-agglomerate a supply of powdered build material.

Abstract: A system is disclosed for additively manufacturing a composite structure. The system may include a head configured to discharge a continuous reinforcement that is at least partially coated with a matrix, and a housing trailing from the head and configured to at least partially enclose the continuous reinforcement after discharge. The system may also include a heat source disposed at least partially inside the oven, and a support configured to move the head during discharging.

Abstract: A method of manufacturing a component comprising contacting a powder with a tooling comprising a main body and a removable element, applying a manufacturing process to the powder to form the powder into a component, removing the removable element from the tooling to form a recess, and inserting a separation tool into the recess to thereby apply a force to separate the component from the main body of the tooling. A tooling for forming a component from a powder, the tooling comprising a main body and a removable element which is removable from the main body to form a recess for the insertion of a separation tool to apply a force to separate the component from the main body of the tooling.

Abstract: A system/method for converting a drawing into a model; slicing the model into a plurality of layers; creating a plurality of deposition schedules for the layers, wherein the deposition schedules correspond to the layers; generating a plurality of coordinate sets for the layers, wherein the coordinate sets correspond to the layers, wherein each of the coordinate sets includes a set of start coordinates and a set of end coordinates; selecting a plurality of features from a library for the layers; generating a program based on the features; outputting the program in a delimited format; running a simulation of a deposition based on the program in the delimited format; determining whether a result of the simulation is acceptable based on a parameter; and requesting an additive manufacturing machine to produce a workpiece responsive to the result being acceptable based on the parameter, wherein the workpiece is depicted in the drawing.

Abstract: Systems and method for determining dynamic forces in a liquefier system in additive manufacturing include, in at least one aspect of the subject matter described in this specification, a method including: receiving motor data for a drive motor that pushes a solid material toward a liquefaction zone of the liquefier system, wherein the motor data comprises at least one data point per individual command code of a set of command codes sent for additive manufacturing; receiving pressure data associated with the liquefaction zone of the liquefier system, wherein the pressure data includes at least one data point per individual command code of the set of command codes; analyzing the motor data and the pressure data for the set of command codes; and outputting a result of the analyzing to facilitate further 3D printing by the AM 3D printer using the solid material.

Abstract: There is disclosed a build material supply unit, comprising: a supply chamber body enclosing a supply volume to contain a build material for additive manufacture; an electromagnetic distance sensor to determine a length parameter relating to a length of a beam pathway extending from an emitter of the sensor to a surface level of build material in the supply volume; and a reflector to reflect the beam pathway between the emitter and the surface level of build material; wherein the reflector is spaced apart from the emitter.

Abstract: Improved 3D printed articles are produced in a 3D printing apparatus by controlling the apparatus in response to the measurement of the size, geometry, and/or weight of print materials exiting the discharge device of the apparatus.

Abstract: Disclosed is a method to determine a dimension of a filament in a material extrusion additive manufacturing process, the method including: illuminating a moving filament with an optical LED light source emitting light with a wavelength between 495 and 570 nanometers; detecting an output value corresponding to an edge of the moving filament at specific points with a CMOS sensor; and processing the output value in a signal processor to determine the dimension of the filament at specific points, then passing the filament through an extrusion head, and then depositing a plurality of layers of extruded filament material in a preset pattern and fusing the plurality of layers of extruded filament material to form a three dimensional article.

Abstract: A molding system to manufacture a three-dimensional object corresponding to a three-dimensional model. The molding apparatus includes a slice data generation unit to generate slice data from three-dimensional shape data of the three-dimensional model, and a lamination unit to laminate a layer of a molding material on the basis of the slice data. The slice data generation unit analyzes data, and, if a region in which a layer of a second molding material different from a first molding material is to be laminated on a layer of the first molding material and in which it is difficult to laminate the layers is extracted, modifies the data of a region of at least one of an ith layer and an (i+1)th layer to data in which a portion in which the first molding material is disposed and a portion in which the second molding material is disposed.

Abstract: The present invention relates to the bioprinting technical field, and in particular relates to a bioprinter and a calibration method thereof. The bioprinter provided by the present invention comprises a control device, a first detection device, and a second detection device, wherein the first detection device is capable of sending a first signal to the control device when the spray device moves to a first position along the Z-axis direction such that the control device calibrates the preset length value of the spray device, and the second detection device is capable of sending a second signal to the control device when the second detection device moves to a second position along the Z-axis direction such that the control device calibrates the preset height value of the printing material initial adhesion surface.

Abstract: A system of solid free form fabrication (SFF) is disclosed. The system comprises: receiving SFF data collectively pertaining to a three-dimensional shape of the object and comprising a plurality of slice data each defining a layer of the object. The system also comprises, for each of at least a few of the layers, dispensing a building material on a receiving medium, straightening the building material, and selectively ablating the building material according to respective slice data.

Abstract: Adhesive bondlines in a cell-based structural array are thermally cured using tooling blocks inserted into the cells. The tooling blocks have embedded susceptors that are inductively heated by an alternating electromagnetic field generated by an electromagnet.

Abstract: A package bag made by a packaging laminate film and provided midway between both side portions with a back-lined portion and a filling space of a liquid packing material, wherein the back-lined portion is sealed on its peripheral edge with an outer edge seal part, an inner edge seal part, an upper edge seal part and a lower edge seal part, while an internal side of these seal parts is defined by a partition wall of these seal parts into a self-supporting stable portion and a pouring path communicating to a pouring port disposed in the outer edge seal part; and the inner edge seal part is provided with a first easy-peelable portion separating the self-supporting stable portion and the filling space and a second easy-peelable portion separating the pouring path and the filling space, and the first easy-peelable portion is preferentially peeled by pushing the filling space.

Abstract: A distal end portion on a side of an object to be joined of a resonator for joining is so configured that a plurality of protrusions each having an outer face not including an angular shape edge are stacked in two or more steps in a direction in which the resonator for joining and a reception jig for joining oppose to each other and that a shape of a protrusion on the side of the object to be joined is made smaller than a shape of a protrusion on a side of the resonator for joining.

Abstract: A pressure jaw assembly (1) for a sealing jaw arrangement of a filling machine. The pressure jaw assembly (1) comprises a pressure jaw frame (10), a pressure element (20) arranged to be moved relative the pressure jaw frame (10), a compressing means (40) arranged at least partly between the pressure jaw frame (10) and the pressure element (20). The compressing means (40) is arranged to influence the relative movement between the pressure element (20) and the pressure jaw frame (10). The pressure jaw assembly (1) further comprises a guide (50, 52) for guiding the pressure element (20). The guide (50, 52) is connected to the pressure jaw frame (10), and the guide (50, 52) is arranged externally of the pressure element (20).

Abstract: A conditioning doctor blade (11) for a fiber web machine contains a number of reinforcement fiber layers (24, 26) laminated on top of one another into an epoxy matrix (20), and silicon carbide particles (21), so that the reinforcement fiber layers (24, 26) have formed a fiber core (22) and surface fiber layers (23) on both sides of the fiber core (22). There is less epoxy matrix (20) in the fiber core (22) than in the surface fiber layers (23).

Abstract: A substantially flat-plate-shaped laminated base material has at least a layer-shaped body ? and a layer-shaped body ? are layered or disposed side by side, the layer-shaped body ? having one or more cut prepregs A in which reinforcing fibers oriented in one direction are impregnated with a resin composition, the volume fraction of fiber is 45-65%, and at least a portion of the reinforcing fibers are segmented into a fiber length of 10-300 mm by a plurality of cuts, and the layer-shaped body ? having one or more base materials B in which reinforcing fibers having a fiber length in the range of 10-300 mm are impregnated with a resin composition.

Abstract: Continuous fiber tow structures are used to form lattice reinforcing bodies to be embedded in a molded polymer matrix. The lattice structures are formed and shaped to reinforce a portion of a predetermined three-dimensional article. Optionally, some or all of the tow members of the structure may be formed with internal vascular passages for passage of a heat transfer fluid through the structure in the function of the molded polymer article. A liquid polymer is molded around the lattice structure, fully embedding the structure. The liquid polymer which may contain short-reinforcing fibers, is then solidified to form the composite reinforced polymer article. And connections may be made to the composite article for the flow of the fluid through vascular passages in the lattice structure within the article.

Abstract: A method for creating a structural part made of composite material by injecting-infusing a liquid, thermosetting resin into a fibrous reinforcement, the structural part comprising a first element and at least one second element. Both the first element and the at least one second element are created in an intermediate state during a distinct injection-infusion step associated with partial curing that is arrested at a degree of cross-linking of the resin below a gelling point of the resin. The first element and the at least one second element are held in a tooling, in a relative position and in a shape that the elements are to have in the structural part to be created, during an out-of-autoclave simultaneous complete curing phase so as to obtain a desired degree of polymerization of the resin of the first element and of the resin of the at least one second element.

Abstract: A method to design the kits and layup the reinforcement layers and core using projection system, comprising a mold having a contoured surface; a layup projection generator which: defines a plurality of mold sections; identifies the dimensions and location for a plurality of layup segments. A model-based calibration method for alignment of laser projection system is provided in which mold features are drawn digitally, incorporated into the plug(s) which form the wind turbine blade mold, and transferred into the mold. The mold also includes reflective targets which are keyed to the molded geometry wherein their position is calculated from the 3D model. This method ensures the precision level required from projection system to effectively assist with fabrication of wind turbine blades. In this method, digital location of reflectors is utilized to compensate for the mold deformations.

Abstract: A structure is disclosed that is additively manufactured. The structure may include at least one continuous reinforcement, and a healing matrix associated with the at least one continuous reinforcement. Wherein a cure energy is applied to the at least one continuous reinforcement at a time of failure, the healing matrix is caused to cure and shore up the at least one continuous reinforcement.

Abstract: A production method for fiber-reinforced plastic, includes: a step in which a material (A) including a prepreg base material is obtained, said prepreg base material having cuts therein and having a thermoplastic resin impregnated in reinforcing fibers arranged in parallel in one direction; a step in which a pressurizing device is used that applies a substantially uniform pressure in a direction (X) orthogonal to the travel direction of the material (A) and the material (A) is caused to travel in the one direction and is pressurized while being heated to a prescribed temperature (T), an angle (?) of ?20° to 20° being formed between the orthogonal direction (X) and a fiber axial direction (Y) for the reinforcing fibers of the prepreg base material; and a step in which the material (A) pressurized by the pressurizing device is cooled and the fiber-reinforced plastic is obtained.

Abstract: A method of manufacturing a composite laminate structure of a wind turbine blade part is performed by resin transfer moulding. The fibre-reinforcement material is impregnated with liquid resin in a mould cavity which includes a rigid mould part having a mould surface defining a surface of the wind turbine blade part. The method includes alternately stacking on the rigid mould part: i) a number of fibre-reinforcement layers including electrically conductive fibres and ii) a flow strip layer in form of a layer of flow strips having a strip width and which are arranged so as to form voids having a void width between two juxtaposed strips. The method includes sealing a second mould part against the rigid mould part in order to form the mould cavity, optionally evacuating the mould cavity, supplying a resin to the mould cavity, and curing the resin to form the composite laminate structure.

Abstract: Fiber reinforced composites are made by infusing a mass of reinforcing fibers with a resin composition. The resin composition includes a liquid phase and a small amount of dispersed filler particles. The dispersed filler particles are small in at least one dimension, compared to the diameter of the reinforcing fibers. The resin composition is subsequently hardened to form the composite. This method produces a composite having a very smooth surface. Print-out of the reinforcing fiber is greatly reduced without the need to mask it through the application of thick coatings or additional layers of material.

Abstract: A method and apparatus comprising a laser unit and a controller. The laser unit is configured to generate a number of laser beams. The controller is configured to operate the laser unit to generate the number of laser beams resulting in a desired level of heating of a composite patch that cures the composite patch on a composite structure.

Abstract: The present disclosure provides tire repair assemblies that can include: a tire sealant tank; an air assembly coupled to the tire sealant tank; a valve configured to control fluid communication between the tank and the air assembly; and a currency operating assembly configured to control the valve. Methods for repairing tires are also provided with the methods including providing tire sealant to a tire from a tire repair assembly upon depositing currency in the tire repair assembly. A stand alone currency operated tire repair assemblies are also provided with the assemblies including: a tire sealant tank; an air compressor operatively coupled to the tank; a valve operatively aligned between the tank and the air compressor; a flow meter operatively aligned between the tank and the air compressor; and computer processing circuitry operatively coupled to the air compressor, the valve, and the flow meter.

Abstract: A grinding device for grinding a workpiece comprises: a main frame that rotates about a rotary shaft and is able to move in parallel on a horizontal plane vertically intersecting an axial direction; a first swingable frame that is disposed so as to be spaced from the main frame in the axial direction and is swingably mounted to the main frame; a pitch feed frame that is mounted to the first. swingable frame so as to be able to move in parallel on a horizontal plane intersecting the axial direction; and a second swingable frame that is swingably mounted to the pitch feed frame.

Abstract: The present invention is directed to a method of cleaning an innermost surface of a pneumatic tire, the surface having a residue deposited thereon, comprising the steps of: activating a laser to generate laser radiation; directing a pulse of laser radiation to impinge on an area of the innermost surface, the pulse of radiation having a pulse width and a fluence sufficient to remove at least part of the residue in the area to form a cleaned area; repeating the step of directing the pulse of radiation sequentially over the innermost surface to form a sequence of cleaned areas, the sequence of cleaned areas defining a stripe, the stripe following a continuous nonlinear path extending at least one circumference about the inner surface, the stripe having a stripe width W2. The invention is further directed to a tire made by the method.

Abstract: A method of constructing a non-pneumatic wheel by securing a plurality of spokes around the outer circumference of a hub, positioning at least one spoke support at the radially outer end of each spoke such that the at least one spoke support holds the radially outer end of each spoke in a radially outward annular orientation, placing an outer annular band concentrically over the radially outer ends of the spokes, bonding the spokes to the outer annular band, contracting the at least one spoke support radially inward; and separating the at least one spoke supports from the non-pneumatic wheel.

Abstract: A tire mold has a cavity with a flexible bladder disposed in a central portion of the cavity. The tire mold further includes a first ring connected to a first end of the flexible bladder, and a second ring connected to a second end of the flexible bladder. At least one of the first and second rings is configured to move between a first position and a second position. The flexible bladder is stretched to a maximum axial length when the first and second rings are in a first position. When the first and second rings are in the first position the sum of the first axial length and second axial length is greater than a space between the first ring and the second ring.

Abstract: Provided are a pneumatic tire where a band-shaped surface fastener extending in a tire circumferential direction is mounted on a tire inner surface, a cut portion composed of a group of a plurality of notches extending in a width direction of this surface fastener without traversing this surface fastener is formed in this surface fastener repetitively along the tire circumferential direction, the surface fastener is divided into a plurality of components by these notches, and the surface fastener is disposed on the tire inner surface in a state where the cut portion is stretched so the components are continuous in the tire circumferential direction.