Abstract: An additive manufacturing device includes a table that supports an additive manufactured object, and a manufacturing unit including a first nozzle that is movable with respect to the table and a second nozzle that is movable with respect to the table and also movable with respect to the first nozzle. The manufacturing unit discharges powder from at least one of the first nozzle and the second nozzle, and emits an energy beam from at least one of the first nozzle and the second nozzle to melt or sinter the powder to additively manufacture the object supported on the table.

Abstract: A method (300) of fabricating an object by additive manufacturing comprises providing (310) a layer of polymeric material (100), said polymeric material (100) being in particulate form, and comprising linear polymer chains, selectively depositing (320) a reactive liquid (200) onto the layer of particulate polymeric material (100), said reactive liquid (200) comprising reactive units (210a) which are monomeric units, linear oligomeric units, linear polymeric units, or combinations thereof, wherein said reactive units (210a) have two or fewer reactive groups, and allowing (330) linear polymeric chains in said layer of polymeric material (100) to react with reactive units in said reactive liquid (200) so as to form extended polymeric chains that are linear, so as to provide a shaped layer of linear polymer. These steps (310, 320, 330) are repeated as required to form the object from successive shaped layers of linear polymer.

Abstract: The present disclosure is drawn to 3D printing kits and methods of making 3D printed articles. In one example, a 3D printing kit can include a powder bed material, a fusible fluid, and an activator fluid. The powder bed material can include polymer particles. The fusible fluid can include a radiation absorber. The fusible fluid can be to selectively apply to the powder bed material. The activator fluid can include a non-conductive electroless metal plating activator. The activator fluid can also be to selectively apply to the powder bed material.

Abstract: According to examples, a three-dimensional printed part including a core including a build material; an inner shell including the build material and an antistatic agent, wherein the antistatic agent includes a water soluble compound; and an external shell including the build material is disclosed.

Abstract: Embodiments herein relate to a composite material including about 10 to 80 wt. % of a polymer phase, the polymer phase comprising a thermoplastic polymer with a density of less than about 1.9 g-m-2; and about 20 to 90 wt. % of a dispersed mixed particulate phase, the dispersed mixed particulate phase comprising a mixed particulate and about 0.005 to 8 wt. % of a coating of at least one interfacial modifier. The mixed particulate including a portion of a reinforcing fiber and a portion of a particle. The composite material having a Young's modulus of greater than 700 MPa. In various embodiments, structural building components made from the composite are included as well as additive manufacturing components made from the composite. Other embodiments are also included herein.

Abstract: A method for the layered production of a green body (10) from powdery material, including insert elements which are placed at defined positions in the powdery material, in which the green body (10) is segmented in a building direction (16) into N, N?2 consecutive, cylindrical cross-sectional areas (11, 12, 13, 14, 15) made up of a two-dimensional cross-sectional surface and a layer thickness. Setting areas for the insert elements are defined in the cross-sectional areas of the green body (10) which include the defined positions for the insert elements, and loose powder particles surrounding the setting elements are at least partially bonded to each other before the insert elements are placed into the powdery material.

Abstract: A process for binding lignocellulosic material comprising the steps of a) bringing lignocellulosic material into contact with a methylene bridged polyphenyl polyisocyanate composition and b) subsequently allowing said material to bind wherein said polyisocyanate composition has a surface tension below or equal to 46 mN/m.

Abstract: Method for solidifying a chemical product (10) which is in melt form, comprising the following steps: subjecting a first stream (10a) of said chemical product to a prilling stage, with production of prills (12) of varying diameter; feeding said prills (12) to a screening device, which separates them according to their diameter into at least a first fraction (13) and a second fraction (14), the average diameter of the prills of said first fraction (13) being smaller than the average diameter of the prills of said second fraction (14); subjecting a second stream (10b) of said chemical product and the first fraction (13) of prills to a granulation stage, with the production of granules (16).

Abstract: In one aspect, a method for manufacturing outdoor bamboo flooring may include steps of: (i) cutting one or more pieces of bamboo lumbers into a predetermined length; (ii) splitting and defibering the bamboo lumbers into reticular fiber bundles; (iii) conducting a high-temperature treatment to dry the bamboo lumbers in step (ii), immersing them with glues, and then conducting a second drying; (iv) performing pressing and curing on the bamboo lumbers treated in step (iii); and (v) cutting the bamboo lumbers in step (iv) into a predetermined of pieces.

Abstract: Provided is a method for manufacturing thermoplastic polymer particles, the method comprising the steps of: supplying a thermoplastic polymer resin to an extruder and extruding the same; supplying the extruded thermoplastic polymer resin and air to a nozzle, bringing the thermoplastic polymer resin into contact with the air to granulate the thermoplastic polymer resin, and then discharging the granulated thermoplastic polymer resin; and supplying discharged thermoplastic polymer particles to a cooling unit to cool the thermoplastic polymer particles, and then collecting the cooled thermoplastic polymer particles.

Abstract: A method for the layered production of a component (10) from powdery material including loose powder particles, based on three-dimensional data of the component (10), including the method steps: the component (10) is segmented in a building direction (16) into N, N?2 consecutive, cylindrical cross-sectional areas (11, 12, 13, 14, 15) made up of a two-dimensional cross-sectional surface and a layer thickness; N powder layers of the powdery material are applied to a building plane perpendicular to the building direction (16); the loose powder particles in the cross-sectional areas (11, 12, 13, 14, 15) of the component (10) are at least partially bonded to each other and to the underlying cross-sectional area and; loose powder particles arranged within one cross-sectional area or within multiple consecutive cross-sectional areas in the building direction (16) are at least partially removed from the component (10) during the layered production of the component (10).

Abstract: A composition for use in powder bed fusion includes a thermoplastic powder that itself includes an induced crystalline polycarbonate or an induced crystalline polyetherimide. The thermoplastic powder is recycled powder, which means that it is recovered from a powder bed that had undergone a powder bed fusion process. Also described is a method of making an article, the method including: placing an induced crystalline polymeric (polycarbonate or polyetherimide) powder in a powder bed, fusing a portion of the induced crystalline polymeric powder in the powder bed, recovering a least a portion of the crystalline polymeric powder from the powder bed, wherein the recovered powder is not fused, placing the recovered induced crystalline polymeric powder in a second powder bed, and fusing at least a portion of the recovered induced crystalline polymeric powder in the second powder bed to form an amorphous polymer article.

Abstract: Methods for manufacturing cushioning elements for sports apparel are described. A method is provided for manufacturing a cushioning element for sports apparel from randomly arranged particles of an expanded material. The method includes positioning a functional element within a mold and loading the mold with the particles of the expanded material, wherein the loading occurs through at least two openings within the mold and/or wherein the loading occurs between different movable parts of the mold.

Abstract: A system for processing material, for example recycled material, comprises a compacting device (101) for compacting the material and a treatment device (102) for agglomerating, pelletizing, or nozzle-extruding the compacted material. The compacting device comprises a compacting chamber (103) and a compacting element (104) that is moveable in the compacting chamber to reduce the volume of the compacting chamber so as to compact the material to be delivered to the treatment device. As the material is compacted prior to being agglomerated, pelletized, or nozzle-extruded, supply of the material to the treatment device can be more reliable especially when the material is chopped waste plastic or other fluffy material including much air. Furthermore, efficiency of the agglomeration, pelletizing, or nozzle-extruding is improved because the compacting increases density of the material prior to the agglomeration, pelletizing, or nozzle-extruding process.

Abstract: Apparatus and methods are disclosed for reclaiming unused powder in a composite-based additive manufacturing process. According to aspects of the embodiments, there is provided process and apparatus that use a substrate layer frame inversion mechanism that can flip the substrate over 180 degrees. The excess powder will simply drop into a waste reclaim container for later reuse. An optional mechanical vibrator may be used to completely loosen any remaining powder.

Abstract: Device and method for the layered manufacture of a three-dimensional product (1) with a recess (3), in which successive powder layers are applied to a building surface (15) above a building platform (4), wherein this building platform (4) extends in a space between a tube wall (6) of a building tube (5) and an insert provided therein (9), wherein a beam of rays (18) is made to impinge on each powder layer and this beam (18) is moved across the powder layer to form successive layers of said product (1) above the building platform (4), so that the insert (9) extends in said recess (3). According to the invention, a gas stream (24) is generated above the building surface (15), extending above said space, wherein it is made sure that this gas stream (24) crosses said beam of rays (18) wherein flue gases formed while the beam of rays (18) strikes said powder layer, are discharged through this gas stream (24).

Abstract: A large-scale additive manufacturing system for printing a structure includes an extrusion system and a knitting system. The extrusion system includes a nozzle configured to receive a supply of structural material and to selectively dispense the structural material in flowable form, and a first gantry configured to move the nozzle along toolpaths defined according to a structure to be printed such that structural material may be dispensed along the toolpaths to print a series of structural layers, wherein the series of structural layers bond together to form all or a portion of the structure.

Abstract: A method of manufacturing a solid freeform fabrication object includes forming a fabrication layer containing a solid freeform fabrication material containing a powder material, a binder material, and a solvent, forming a void in the fabrication layer in a ratio of the void of 20 percent by volume or more in the fabrication layer, curing a predetermined region in the fabrication layer by applying a curing liquid to the predetermined region to form a cured layer, and repeating laminating the cured layer.

Abstract: The present invention discloses a method for quick hot-press forming of laminated wood. The method includes: drying a machined small wood material to a moisture content of 5-8 wt %; gluing the dried small wood material, and assembling and laying the dried small wood material to be a square material or a sheet material, where an adhesive for the gluing is a water-soluble adhesive having a solid content of 45-60 wt %; clamping the square material or the sheet material through a three-dimensional metal clamp; sending the clamped square material or sheet material together with the clamp into a microwave heating machine for microwave heating to obtain a formed laminated wood, where the time from the gluing to the entry into the microwave heating machine is controlled to not exceed 15 min.

Abstract: A method for the layered production of a green body from powdery or paste-like material, including cutting elements based on three-dimensional data of the green body, the green body being segmented in a building direction into N (N?2) consecutive cylindrical cross-sectional areas made up of a two-dimensional cross-sectional surface perpendicular to the building direction and a layer thickness in parallel to the building direction, including the method steps: the cross-sectional areas of the green body are each divided into material areas, and setting areas, in which the cutting elements are situated; the material areas in the building direction are applied to a building plane situated perpendicularly to the building direction, until at least one cavity formed by one setting area or by multiple consecutive setting areas in the building direction, has the necessary insert height for placing the cutting elements; and at least one cutting element is placed into the cavities having the necessary insert height for