Patent classifications
B22F12/86
Device and method for producing three-dimensional workpieces
The invention relates to a device (1) for producing three-dimensional workpieces (15), comprising a carrier (7) for receiving raw material powder (9), a build chamber wall (11, 11a, 11b) which extend substantially vertically and which is adapted to laterally delimit and support the raw material powder (9) applied to the carrier (7); an irradiation unit (17) for selectively irradiating the raw material powder (9) applied to the carrier (7) with electromagnetic radiation or particle radiation in order to produce on the carrier (7) a workpiece (15) manufactured from the raw material powder (9) by an additive layer building method, wherein the irradiation unit (17) comprises at least one optical element; and a vertical movement device (31) which is adapted to move the irradiation unit (17) vertically relative to the carrier (7). The build chamber wall (11, 11a, 11b) and the carrier (7) are adapted to be connected to one another in a stationary manner during the vertical movement of the irradiation unit (17) so that the vertical movement takes place relative to the carrier (7) and relative to the build chamber wall (11, 11a, 11b).
Device and method for producing three-dimensional workpieces
The invention relates to a device (1) for producing three-dimensional workpieces (15), comprising a carrier (7) for receiving raw material powder (9), a build chamber wall (11, 11a, 11b) which extend substantially vertically and which is adapted to laterally delimit and support the raw material powder (9) applied to the carrier (7); an irradiation unit (17) for selectively irradiating the raw material powder (9) applied to the carrier (7) with electromagnetic radiation or particle radiation in order to produce on the carrier (7) a workpiece (15) manufactured from the raw material powder (9) by an additive layer building method, wherein the irradiation unit (17) comprises at least one optical element; and a vertical movement device (31) which is adapted to move the irradiation unit (17) vertically relative to the carrier (7). The build chamber wall (11, 11a, 11b) and the carrier (7) are adapted to be connected to one another in a stationary manner during the vertical movement of the irradiation unit (17) so that the vertical movement takes place relative to the carrier (7) and relative to the build chamber wall (11, 11a, 11b).
METHOD AND MACHINE FOR MANUFACTURING PIECES MADE OF CERAMIC OR METALLIC MATERIAL BY THE TECHNIQUE OF ADDITIVE MANUFACTURING
The disclosed method includes selecting a suspension ceramic or metal photocurable composition (CPC or MPC); preparing a sacrificial organic material (SOM) forming a photocurable layer destroyed by heating; for manufacturing pieces, on the working tray, forming successive layers of SOM cured by irradiation, the one or more CPC or MPC-based pieces being manufactured by machining a recess in a layer of cured SOM; depositing the CPC or MPC within the recesses; curing the CPC or MPC to obtain a hard horizontal surface level with the adjacent layer of cured SOM, when forming each recess, it is delimited by previously defined patterns, the depth(s) selected in order to ensure the continuity of the one or more pieces to be manufactured; and obtaining one or more green pieces inserted in the SOM, which are subjected to debinding by heating in order to destroy the SOM in which they are trapped.
A RECOATING DEVICE AND METHOD FOR APPLYING A LAYER OF BUILD MATERIAL CAPABLE OF SOLIDIFICATION ON A WORKING SURFACE
A recoater for applying a layer of build material capable of solidification on a working surface, wherein the recoater comprises a discharge port and a flattening member, wherein the discharge port is configured to discharge build material to form a heap of build material ahead of the flattening member, wherein the flattening member is configured to spread material from the heap of build material along the working surface in order to form the layer of build material on top of the working surface through a gap formed between a lower surface of the flattening member and the working surface by relative movement of the flattening member and the working surface, wherein the recoater further includes a shutter distanced from the discharge port, wherein the shutter is configured to be movable between a closed position in which build material is not dispensed onto the working surface, and an opened position in which build material is dispensed onto the working surface, wherein the shutter is configured to close an adjacent area ahead of the lower surface of the flattening member in the closed position.
HIGH TEMPERATURE, HIGH PRESSURE, POWDER-BASED, 3D PRINTED OBJECT MANUFACTURING
An additive manufacturing device (AMD) for manufacturing objects through deposition of superposed layers of material in a granulate or powder form, the AMD comprising: a hydraulic cylinder; a mold for sealable attachment to the hydraulic cylinder; a material deposition station having an outlet for depositing the material in the mold layer-by-layer; a heating element; and a compressor. Between the deposition of one or more layers of material in the mold, the mold and the hydraulic cylinder are sealably attached to form a pressure container, the compressor injects gas in the container to increase a pressure within the pressure container and the heating element provides heat within the pressure container to further increase the pressure and to perform sintering or high-temperature synthesis of the material while submitting the material to the pressure.
Multi-material three-dimensional printer with underlying adjustable binder
A jetted binder printing system includes a carrier substrate configured to travel along a longitudinal direction thereof, an adjustable binder printer configured to deliver an adjustable binder to the carrier substrate, a dispensing module located downstream from the adjustable binder printer on the longitudinal direction of the carrier substrate, the dispensing module including at least one powder container, the dispensing module being configured to dispense powder onto the carrier substrate, and a primary binder printer located downstream from the compaction module along the longitudinal direction of the carrier substrate. The primary binder printer includes a print head configured to print a primary binder on the dispensed powder according to a desired pattern. The primary binder is printed on a surface of the powder that is opposite a surface on which the adjustable binder is printed. The primary binder is printed to match the pattern of the adjustable binder.
ADVANCED AUTOMATED FABRICATION UTILIZING LASER FABRICATION SYSTEM AND METHODS FOR AN AUTOMATED ROBOTICIZED FACTORY
Provided are advanced automated fabrication methods and systems which utilize laser fabrication. Also provided are methods for an automated roboticized factory. The disclosed invention utilizes a number of modules to result in automatic fabrication, which provides advantages over manual fabrication of the prior art. Embodiments of the disclosed invention may include a material management module, a build module, an automation module, and a control module. Embodiments of the invention may employ artificial intelligence with machine learning such that the fabrication system becomes even more efficient and accurate over time.
Three-dimensional, additive manufacturing system, and a method of manufacturing a three-dimensional object
A three-dimensional, additive manufacturing system is disclosed. The first and second printer modules form sequences of first patterned single-layer objects and second patterned single-layer objects on the first and second carrier substrates, respectively. The patterned single-layer objects are assembled into a three-dimensional object on the assembly plate of the assembly station. A controller controls the sequences and patterns of the patterned single-layer objects formed at the printer modules, and a sequence of assembly of the first patterned single-layer objects and the second patterned single-layer objects into the three-dimensional object on the assembly plate. The first transfer module transfers the first patterned single-layer objects from the first carrier substrate to the assembly apparatus in a first transfer zone and the second transfer module transfers the second patterned single-layer objects from the second carrier substrate to the assembly apparatus in a second transfer zone. The first and second printer modules are configured to deposit first and second materials under first and second deposition conditions, respectively. The first and second materials are different and/or the first and second deposition conditions are different.
Plant comprising at least one apparatus for additively manufacturing three-dimensional objects
Plant (1) comprising at least one apparatus (2, 3, 17, 18) for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy source, which plant (1) comprises at least one module (4) separably connected or connectable with the apparatus (2, 3, 17, 18), wherein the plant (1) comprises at least one tunnel structure (5) through which the at least one module (4) is moveable in a tunnel transport direction (6), wherein the at least one module (4) is moveable from the tunnel structure (5) into a work position (7) inside the apparatus (2, 3, 17, 18) along a loading direction (10) and the at least one module (4) is moveable from the work position (7) out of the apparatus (2, 3, 17, 18) along an unloading direction (12).
DEVICE AND METHOD FOR PRODUCING THREE-DIMENSIONAL WORKPIECES
The invention relates to a device (1) for producing three-dimensional workpieces (15), comprising a carrier (7) for receiving raw material powder (9), a build chamber wall (11, 11a, 11b) which extend substantially vertically and which is adapted to laterally delimit and support the raw material powder (9) applied to the carrier (7); an irradiation unit (17) for selectively irradiating the raw material powder (9) applied to the carrier (7) with electromagnetic radiation or particle radiation in order to produce on the carrier (7) a workpiece (15) manufactured from the raw material powder (9) by an additive layer building method, wherein the irradiation unit (17) comprises at least one optical element; and a vertical movement device (31) which is adapted to move the irradiation unit (17) vertically relative to the carrier (7). The build chamber wall (11, 11a, 11b) and the carrier (7) are adapted to be connected to one another in a stationary manner during the vertical movement of the irradiation unit (17) so that the vertical movement takes place relative to the carrier (7) and relative to the build chamber wall (11, 11a, 11b).