| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 419053000 | Plural heating steps including sintering | 60 |
| 20090035169 | Dual metal torque transmitting apparatuses and methods for making the same - Apparatuses and methods are provided for transmitting torque in a way that can prolong the life of such apparatuses by using dissimilar materials for a body region and a torque transmitting region that absorbs the wear of the apparatuses, the apparatuses being constructed by methods of powder metallurgy. A torque transmitting apparatus can be provided and can include an annular body member composed of a first material and an outer ring member composed of a second powder metal material. The outer ring member can shrink about the annular body member during a sintering phase to form a single body in which the outer ring member can be fixedly attached to the annular body member. | 02-05-2009 |
| 20120213659 | METHOD AND DEVICE FOR PRODUCING A COMPONENT OF A TURBOMACHINE - A method for producing a component of a turbomachine is disclosed. The method includes a) layer-by-layer deposition of a powder component material onto a component platform in a region of a buildup and joining zone, where the deposition takes place in accordance with layer information of the component to be produced; b) local layer-by-layer fusion or sintering of the powder component material by energy supplied in the region of the buildup and joining zone, where the buildup and joining zone is heated to a temperature just below a melting point of the powder component material; c) layer-by-layer lowering of the component platform by a predefined layer thickness; and d) repetition of steps a) to c) until the component is finished. A device for producing a component of a turbomachine is also disclosed. | 08-23-2012 |
| 20140140882 | ADDITIVE LAYER MANUFACTURING METHOD AND APPARATUS - A method and apparatus for manufacturing a three-dimensional object by additive layer manufacturing. The method includes providing layers of material in powder form on a support inside a chamber, and irradiating each layer with a beam before providing the subsequent layer. A gas atmosphere is maintained inside the chamber during the irradiation steps. The pressure and/or the composition of the gas atmosphere is controlled where at least two different gas atmospheres having different predetermined pressures and/or compositions are inside the chamber during irradiation of the layers, the beam spot size on the layers is controlled such that at least two different beam spot sizes are utilized during irradiation, and/or the temperature of the gas atmosphere inside the chamber and/or of the layer being irradiated is controlled such that at least two different temperatures of the gas atmosphere and/or of the layer being irradiated are present during irradiation of the layers. | 05-22-2014 |
| 20140271328 | APPARATUS AND METHODS FOR MANUFACTURING - One variation of a method for fusing and annealing powered material within an apparatus for manufacturing includes: depositing a layer of powdered material across a build platform; at a first time, projecting a first energy beam of a first power density onto an area of the layer of powdered material; and at a second time succeeding the first time, projecting a second energy beam of a second power density less than the first power density onto the area. | 09-18-2014 |
| 20140308153 | METHOD AND APPARATUS FOR DETECTING DEFECTS IN FREEFORM FABRICATION - A method for detecting defects in three-dimensional articles. Providing a model of said article. Providing a first powder layer on a substrate, directing an energy beam over said substrate causing said first powder layer to fuse in selected locations forming a first cross section of said three-dimensional article, providing a second powder layer on said substrate, directing the energy beam over said substrate causing said second powder layer to fuse in selected locations to form a second cross section of said three-dimensional article. A first and second image of a first and second fusion zone of said first powder layer respectively is captured. Comparing said first and second images with corresponding layers in said model. Detecting a defect in the three-dimensional article if a deviation in said first image with respect to said model is at least partially overlapping a deviation in said second image with respect to said model. | 10-16-2014 |
| 20140348691 | METHOD AND APPARATUS FOR ADDITIVE MANUFACTURING - A method for forming a three-dimensional article through successive fusion of parts of a powder bed, which parts corresponds to successive cross sections of the three-dimensional article, said method comprising the steps of: providing a model of said three dimensional article, providing a first powder layer on a work table, directing a first energy beam from a first energy beam source over said work table causing said first powder layer to fuse in first selected locations according to said model to form a first cross section of said three-dimensional article, directing a second energy beam from a second energy beam source over said work table causing said first powder layer to fuse in second selected locations according to said model to form the first cross section of said three-dimensional article, wherein said first and second locations of said first powder layer are at least partially overlapping each other. | 11-27-2014 |
| 20140348692 | METHOD AND APPARATUS FOR PRODUCING THREE-DIMENSIONAL OBJECTS - An apparatus and a process for manufacturing a three-dimensional object by successive layer-by-layer consolidation of selected zones of a powder stratum, the consolidated zones corresponding to successive sections of the three-dimensional object, each layer being divided into a central internal portion and an external border , said process comprising the following steps in order:
| 11-27-2014 |
| 20140363327 | Inductive Additive Manufacturing System - A method for forming a component includes providing a first layer of a mixture of first and second powders. The method includes determining the frequency of an alternating magnetic field to induce eddy currents sufficient to bulk heat only one of the first and second powders. The alternating magnetic field is applied at the determined frequency to a portion of the first layer of the mixture using a flux concentrator. Exposure to the magnetic field changes the phase of at least a portion of the first powder to liquid. The liquid portion couples to at least some of the second powder and subsequently solidifies to provide a composite component. | 12-11-2014 |
| 20150017054 | CONTROL IN GENERATIVE PRODUCTION - Disclosed is a method for generatively producing components by layer-by-layer building from a powder material by selective material bonding of powder particles by a high-energy beam. An eddy current testing is carried out concurrently with the material bonding. Also disclosed is an apparatus which is suitable for carrying out the method. | 01-15-2015 |
| 20150017055 | METHOD FOR MANUFACTURING THREE-DIMENSIONAL SHAPED OBJECT - A manufacturing method of a three-dimensional shaped object is capable of suitably forming a solidified layer by subsequent formation of a powder layer. The manufacturing method according to an embodiment of the present invention is performed by repetition of a powder-layer forming and a solidified-layer forming, the repetition including forming a solidified layer by irradiating a predetermined portion of a powder layer with a light beam, thereby allowing a sintering of the powder in the predetermined portion or a melting and subsequent solidification thereof; and forming another solidified layer by newly forming a powder layer on the resulting solidified layer, followed by the irradiation of a predetermined portion of the powder layer with the light beam, wherein a light-beam condition for an irradiation path with an unirradiated portion on both adjacent sides thereof is different from that for another irradiation path with an irradiated portion at an adjacent region. | 01-15-2015 |
| 20150064050 | MULTIPLE COIL ARRANGEMENT FOR A DEVICE FOR GENERATIVE PRODUCTION OF COMPONENTS AND CORRESPONDING PRODUCTION METHOD - A device for additive manufacturing of components by selective irradiation of a powder bed, having a processing chamber -in which at least one powder bed chamber and at least one radiation source are arranged such that the radiation source can irradiate a powder in the powder bed chamber, and wherein the device includes at least one induction coil, so that a component which is produced by irradiation of the powder bed can be at least partially inductively heated, and wherein the induction coil is movable relative to one or more powder bed chambers. A method for additive manufacturing of components by selective irradiation of a powder bed, in which method the component being manufactured is inductively heated at the same time, wherein the position of one or more induction coils for inductive heating is determined and adjusted based on the geometry of the component to be produced. | 03-05-2015 |
| 20150290712 | METHOD AND DEVICE FOR IMPROVING MATERIAL QUALITY IN GENERATIVE MANUFACTURING METHODS - The present invention relates to a method and a device for material processing with a high-energy beam ( | 10-15-2015 |
| 20150360292 | METHOD FOR MAKING AN INTEGRALLY BLADED ROTOR WITH HOLLOW BLADES - A method of making an integrally bladed rotor with hollow blades. A plurality of segmented layers are sequentially placed to form each one of a plurality of blades on a radially outward surface of a hub. This is done using an additive manufacturing process. The placement of the segmented layers also comprises omitting portions of one or more of the plurality of segmented layers to form one or more cavities and intermittently removing a quantity of particles from the one or more cavities using an evacuation tool. | 12-17-2015 |
| 20150367415 | APPARATUSES, SYSTEMS AND METHODS FOR THREE-DIMENSIONAL PRINTING - The present disclosure provides three-dimensional (3D) objects, 3D printing processes, as well as methods, apparatuses and systems for the production of a 3D object. Methods, apparatuses and systems of the present disclosure may reduce or eliminate the need for auxiliary supports. The present disclosure provides three dimensional (3D) objects printed utilizing the printing processes, methods, apparatuses and systems described herein. | 12-24-2015 |
| 20150367416 | APPARATUSES, SYSTEMS AND METHODS FOR THREE-DIMENSIONAL PRINTING - The present disclosure provides three-dimensional (3D) objects, 3D printing processes, as well as methods, apparatuses and systems for the production of a 3D object. Methods, apparatuses and systems of the present disclosure may reduce or eliminate the need for auxiliary supports. The present disclosure provides three dimensional (3D) objects printed utilizing the printing processes, methods, apparatuses and systems described herein. | 12-24-2015 |
| 20150367417 | APPARATUSES, SYSTEMS AND METHODS FOR THREE-DIMENSIONAL PRINTING - The present disclosure provides three-dimensional (3D) objects, 3D printing processes, as well as methods, apparatuses and systems for the production of a 3D object. Methods, apparatuses and systems of the present disclosure may reduce or eliminate the need for auxiliary supports. The present disclosure provides three dimensional (3D) objects printed utilizing the printing processes, methods, apparatuses and systems described herein. | 12-24-2015 |
| 20150367419 | APPARATUSES, SYSTEMS AND METHODS FOR THREE-DIMENSIONAL PRINTING - The present disclosure provides three-dimensional (3D) objects, 3D printing processes, as well as methods, apparatuses and systems for the production of a 3D object. Methods, apparatuses and systems of the present disclosure may reduce or eliminate the need for auxiliary supports. The present disclosure provides three dimensional (3D) objects printed utilizing the printing processes, methods, apparatuses and systems described herein. | 12-24-2015 |
| 20160008886 | DEVICES, SYSTEMS AND METHODS FOR PRODUCING A 3D PRINTED PRODUCT | 01-14-2016 |
| 20160059309 | APPARATUS FOR PRODUCING WORK PIECES WHICH COMPRISES A DRYING DEVICE - An apparatus ( | 03-03-2016 |
| 20160059310 | APPARATUS FOR PRODUCING WORK PIECES WITH AN IMPROVED GAS CIRCUIT - An apparatus ( | 03-03-2016 |
| 20160067778 | Method and Apparatus for Three-Dimensional Additive Manufacturing with a High Energy High Power Ultrafast Laser - Methods and systems for three-dimensional additive manufacturing of samples are disclosed, including generating electromagnetic radiation from an ultrashort pulse laser, wherein the electromagnetic radiation comprises a wavelength, a pulse repetition rate, a pulse width, a pulse energy, and an average power; focusing the electromagnetic radiation into a focal region; using a powder delivery system comprising a powder vessel, a roller, and a receptacle to deposit one or more powders from the powder vessel into a receptacle at the focal region of the electromagnetic radiation and to spread the one or more powders in the receptacle into a fabrication powder bed; and using a computer to adjust the micro and macro pulses, macro pulse repetition rate, and the average power of the ultrashort pulse laser. The samples may be made with micron and/or submicron level precision and/or feature size and may be made using high temperature materials. Other embodiments are described and claimed. | 03-10-2016 |
| 20160074937 | METHOD FOR MANUFACTURING OVERHANGING MATERIAL BY PULSED, VOXEL-WISE BUILDUP - A method for manufacturing material voxel-by-voxel using directed-energy deposition is given. Using the method, unsupported structures, via voxel-wise directed-energy deposition, with steep overhangs is described and demonstrated. Methods for forming arbitrarily-complex structures and shaped voxels and surfaces are also given. A method for forming materials with internally-varying properties is also given. The method utilizes a pulsed or modulated, rather than continuous-wave energy source, thus allowing rapid solidification of voxels, rather than contours, hatches or tracks. Tuning of pulsing or modulation, material flow, and deposition-path parameters allows the buildup of unsupported material using standard directed-energy deposition processing heads and 3-axis stages, for example. The methods are demonstrated using a modified-directed-energy-deposition processes and is applicable to powder-bed for the buildup of three-dimensional components, repair and the addition of features to existing components. | 03-17-2016 |
| 20160089720 | THREE-DIMENSIONAL FORMING APPARATUS AND THREE-DIMENSIONAL FORMING METHOD - A three-dimensional forming apparatus includes: a material supply unit that supplies a stage with a sintering material in which metal powder and a binder are kneaded; a heating unit that supplies the sintering material supplied from the material supply unit with energy capable of sintering the sintering material; and a driving unit that is able to move the material supply unit and the heating unit three-dimensionally relative to the stage, wherein the material supply unit supplies a predetermined amount of the sintering material to a desired position on the stage and the energy is supplied to the supplied sintering material from the heating unit. | 03-31-2016 |
| 20160096224 | SYSTEM AND METHOD FOR FORMING MATERIAL SUBSTRATE PRINTER - A method is disclosed for manufacturing a part via an additive manufacturing process. A solution is used which has a volatile component within which is suspended particles of a powdered material. The solution is heated until it at least one of begins boiling or is about to begin boiling. The heated solution is then deposited at least at one location on a substrate to help form a layer of the part. The volatile component then evaporates, leaving only the particles of powdered material. The particles are then heated to the melting point. The deposition and heating operations are repeated to successively form a plurality of layers for the part. The evaporation of the volatile component helps to cool the part. | 04-07-2016 |
| 20160098825 | FEATURE EXTRACTION METHOD AND SYSTEM FOR ADDITIVE MANUFACTURING - The present invention provides a feature extraction system that extracts geometrical features of a part using in-process data acquired during an additive manufacturing process. The geometric features are extracted by applying a number of image processing operations to images taken of a powder bed during the additive manufacturing process. In this way, both internal and external geometries of the part can be characterized. In some embodiments, geometric feature extraction can be used in conjunction with other part characterizing operations, such as for example, thermal characterization processes. | 04-07-2016 |
| 20160107234 | HYBRID SUPPORT SYSTEMS AND METHODS OF GENERATING A HYBRID SUPPORT SYSTEM USING THREE DIMENSIONAL PRINTING - This disclosure relates to a hybrid support system for supporting an object formed by three dimensional printing. In some embodiments, a hybrid support system includes one or more volume support structures, a first volume support structure of the one or more volume support structures being coupled to a base plate and to a first portion of the object. The hybrid support system further includes a partially solidified support structure coupled to a second portion of the object. The hybrid support system further includes one or more reinforcement support structures, a first reinforcement support structure of the one or more reinforcement support structures being coupled to the base plate and to at least one of a portion of the partially solidified support structure and a third portion of the object. | 04-21-2016 |
| 20160129501 | METHOD FOR IMPROVED POWDER LAYER QUALITY IN ADDITIVE MANUFACTURING - Various embodiments of the present invention relate to a method for forming at a three-dimensional article through successively depositing individual layers of powder material that are fused together with at least one energy beam so as to form the article, said method comprising the steps of generating a model of said three-dimensional article; applying a first powder layer on a work table; directing said at least one energy beam from at least one energy beam source over said work table causing said first powder layer to fuse in first selected locations according to said model to form a first cross section of said three-dimensional article; introducing a predetermined pattern laterally separated from said first cross section for reducing thickness variations in a powder layer provided on top of said first cross section. | 05-12-2016 |
| 20160136731 | ADDITIVE MANUFACTURING APPARATUS AND METHOD - An additive manufacturing apparatus for building objects by layerwise consolidation of material. The apparatus includes a build chamber containing a working area, a high energy beam for consolidating material deposited in the working area in layers and a flow device for generating a gas flow across at least a part of the working area from a gas inlet to a gas outlet. The gas inlet and gas outlet are arranged to be movable within the build chamber. | 05-19-2016 |
| 20160144431 | POWDER CIRCUIT FOR USE IN AN APPARATUS FOR PRODUCING THREE-DIMENSIONAL WORK PIECES - A powder circuit ( | 05-26-2016 |
| 20160167131 | Method for Producing a Three-Dimensional Object | 06-16-2016 |
| 20160167132 | ADDITIVE MANUFACTURING OF POROUS SCAFFOLD STRUCTURES | 06-16-2016 |
| 20160184891 | PARTICULATES FOR ADDITIVE MANUFACTURING TECHNIQUES - A globule for an additive manufacturing process includes a plurality of additive manufacturing stock particles respectively having a submicron size. A binder fixes the plurality of submicron size additive manufacturing stock particles to one another such that the particles form a globule having a size of less than fifty microns. | 06-30-2016 |
| 20160184893 | METHOD AND SYSTEM FOR MONITORING ADDITIVE MANUFACTURING PROCESSES - This invention teaches a quality assurance system for additive manufacturing. This invention teaches a multi-sensor, real-time quality system including sensors, affiliated hardware, and data processing algorithms that are Lagrangian-Eulerian with respect to the reference frames of its associated input measurements. The quality system for Additive Manufacturing is capable of measuring true in-process state variables associated with an additive manufacturing process, i.e. those in-process variables that define a feasible process space within which the process is deemed nominal. The in-process state variables can also be correlated to the part structure or microstructure and can then be useful in identifying particular locations within the part likely to include defects. | 06-30-2016 |
| 20160184925 | COMPOSITE BEAM GENERATOR AND POWDER MELTING OR SINTERING METHOD USING THE SAME - This disclosure provides a composite beam generator and a method of performing powder melting or sintering in additive manufacturing process using the same. The composite beam generator comprises: a beam splitter for splitting a beam into a first directed beam and a second directed beam; a beam shaper for shaping a transverse energy distribution profile of the second directed beam to non-circular; at least one beam delivery unit for guiding the first directed beam or the second directed beam; and a beam combiner for receiving the first directed beam and the second directed beam, and respectively generating a first output beam and a second output beam, and combining them into the composite beam. | 06-30-2016 |
| 20160184931 | APPARATUS AND METHODS FOR ADDITIVE-LAYER MANUFACTURIN OF AN ARTICLE - A method is for additive layer manufacturing an article from a material which can be rendered solid locally by the application of a focused beam of laser radiation. The method includes providing at least two laser beams, providing a scanner for each laser beam for scanning each laser beam over an entire planar field, providing a support moveable step wise to support material within the field, scanning the laser beams simultaneously but separated over the field to render solid the desired portions of material contained in the field to perform a manufacturing cycle and stepping the support after each cycle. At least one scanner is tilted with respect to the common planar field, and the method further includes the step of tilting the focal plane of the laser beam from the said at least one scanner. | 06-30-2016 |
| 20160199911 | MATERIAL QUALIFICATION SYSTEM AND METHODOLOGY | 07-14-2016 |
| 20160250688 | HOMOGENEOUS EMI VENT PANEL AND METHOD FOR PREPARATION THEREOF | 09-01-2016 |
| 20160250724 | CARRIER ARRANGEMENT FOR USE IN A METHOD FOR SIMULTANEOUSLY REPAIRING A PLURALITY OF COMPONENTS | 09-01-2016 |
| 20160375489 | Build Reinforcement for Sintering Laser Manufacturing - A system for manufacturing one or more objects is disclosed. The system includes a laser configured to selectively heat a powdered material to form the one or more objects in a series of layer-wise iterations. The system further includes an object bed, on which the one or more objects rest during manufacturing. The object bed is lowered by a layer height in conjunction with each of the series of layer-wise iterations. The system further includes a roller configured to spread a powder layer of the powdered material on to the object bed prior to each of the series of layer-wise iterations. The system further includes a roller support structure formed from the powdered material by the laser during the series of layer-wise iterations. | 12-29-2016 |
| 20160375491 | TEMPERATURE CONTROLLED ADDITIVE MANUFACTURING - An additive manufacturing system includes a platen having a top surface to support an object being manufactured, a dispenser to deliver a plurality of successive layers of precursor material over the platen, a plurality of lamps disposed below the top surface of the platen to heat the platen, and an energy source to fuse at least some of the outermost layer of precursor material. | 12-29-2016 |
| 20170232512 | METHOD AND CONFORMAL SUPPORTS FOR ADDITIVE MANUFACTURING | 08-17-2017 |
| 20170232513 | SYSTEMS AND METHODS FOR BIAXIAL SYMMETRIC CANTED HOLES | 08-17-2017 |
| 20170232515 | Additive Manufacturing Simulation System And Method | 08-17-2017 |
| 20190143408 | SYSTEMS AND METHODS FOR ADDITIVE MANUFACTURING | 05-16-2019 |
| 20190143413 | MATERIAL QUALIFICATION SYSTEM AND METHODOLOGY | 05-16-2019 |
| 419054000 | Different temperatures | 2 |
| 20150306667 | Utilization of Partial Sintering to Avoid the Use of Support Structures in the Direct Metal Laser Sintering Additive Manufacturing Processes - This invention is focused on a new method of the Direct Metal Laser Sintering (DMLS) additive manufacturing process, which builds metal products layer-by-layer from melting the powder at selective locations. In the conventional DMLS process, during the process of building a downward facing surface of products, such as making a ceiling of a box or the top of a horizontal pipe, commonly a temporary support structure is applied at below to let the new layer of molten metal to rest upon. In this invention, the partially sintered layer (or layers) will be used instead, to form a rigid base for the subsequent molten layer at above to rest upon. The partial sintering is achieved with a reduced heating of laser that the powder reaches a high temperature but still below the melting point. This invention will allow for the elimination of the use of temporary support structures, and the time and effort of adding and removing of the temporary support structures are saved. | 10-29-2015 |
| 20190143407 | ADDITIVE MANUFACTURING APPARATUS AND ADDITIVE MANUFACTURING METHOD OF SHAPED ARTICLE | 05-16-2019 |
| 419055000 | Additional operation between heating steps | 13 |
| 20120251378 | PROCESS FOR PRODUCING THREE-DIMENSIONALLY SHAPED OBJECT AND DEVICE FOR PRODUCING SAME - There is provided a method for manufacturing a three-dimensional shaped object. The method of the present invention comprises the steps of: (i) forming a solidified layer by irradiating a predetermined portion of a powder layer with a light beam, thereby allowing sintering of the powder of the predetermined portion or melting and subsequent solidification thereof; and (ii) forming another solidified layer by newly forming a powder layer on the resulting solidified layer, and then irradiating another predetermined portion of the new powder layer with the light beam, the steps (i) and (ii) being repeatedly performed in a chamber; wherein a localized gas flow is provided in the chamber, and at least a part of a fume generated by the irradiation of the light beam is entrained by the localized gas flow. | 10-04-2012 |
| 20130343947 | METHOD AND DEVICE FOR PROCESS MONITORING - Disclosed is a method for monitoring a generative production process in real time, wherein a component is at least optically detected and the installation space is thermally detected when applying a layer, as well as a device for carrying out said method. | 12-26-2013 |
| 20140314613 | Methods and Apparatus for Selectively Combining Particulate Material - A method of selectively combining particulate material, comprising: (i) providing a layer of particulate material to a part bed; (ii) providing radiation to sinter a portion of the material of the layer; (iii) providing a further layer of particulate material overlying the prior layer of particulate material including the previously sintered portion of material; (iv) providing radiation to sinter a further portion of the material within the overlying further layer and to sinter said further portion with the previously sintered portion of material in the prior layer; (v) successively repeating blocks (iii) and (iv) to form a three-dimensional object; and wherein at least some of the layers of particulate material are pre-heated with a heater prior to sintering a portion of the material of the respective layer, the heater being configured to move relative to, and proximate, the particulate material. | 10-23-2014 |
| 20150086409 | METHOD FOR ADDITIVE MANUFACTURING - A method for forming a three-dimensional article comprising applying a first powder layer on a work table; directing a first energy causing said first powder layer to fuse in first selected locations to form a first cross section where said first energy beam is fusing a first region with parallel scan lines in a first direction and a second region with parallel scan lines in a second direction; fusing at least one of the scan lines in said first region in said first direction immediately before fusing at least one of said scan lines in said second region in said second direction; applying a second powder layer and directing the energy beam causing said second powder layer to fuse in second selected locations where the energy beam is fusing said first region with parallel scan lines in a third direction and said second region in a fourth direction. | 03-26-2015 |
| 20150093283 | Devices and Methods for Additive Manufacturing of Implant Components - Improved devices and methods for additive manufacturing of implant components are disclosed, including improvements relating to utilizing support structures, aligning implant designs within the manufacturing apparatus, and making patient-adapted implants. | 04-02-2015 |
| 20150104346 | LASER SINTERING POWDER, METHOD FOR PRODUCING STRUCTURE, APPARATUS FOR PRODUCING STRUCTURE - A laser sintering powder to be sintered by irradiation with a laser light is provided. The sintering powder includes a plurality of metal particles and a binder which binds the metal particles to one another. The binder is sublimated by the irradiation with the laser light. The average particle diameter of the metal particles is 5 μm or more and 10 μm or less, and the average particle diameter of the laser sintering powder is 30 μm or more and 50 μm or less. Further, after a powder layer is formed using the laser sintering powder, this powder layer may be compressed in the thickness direction before or after irradiation with the laser light. | 04-16-2015 |
| 20150139849 | MACHINE AND METHOD FOR POWDER-BASED ADDITIVE MANUFACTURING - acting on a powder layer in a working zone, containing a device for layering said powder, said device including:
| 05-21-2015 |
| 20150306819 | METHOD AND APPARATUS FOR ADDITIVE MANUFACTURING - The present invention relates to a method for forming a three-dimensional article through successive fusion of applied powder. Said method comprising the steps of: providing at least one powder hopper comprising powder to be used for forming said three-dimensional article, providing a predetermined amount of powder at a build support, directing an energy beam over said build support causing at least a portion of said powder to sinter and causing at least a portion of said powder to bond to said build support, directing an energy beam over said build support causing said powder to fuse in selected locations according to a model to form a first portion of said three-dimensional article, rotating said build support around an axis of rotation for creating said three-dimensional article, which three-dimensional article is build up layer by layer in a radial direction with respect to said axis of rotation. | 10-29-2015 |
| 20150321255 | A METHOD FOR THE ADDITIVE MANUFACTURING OF A PART BY SELECTIVE MELTING OR SELECTIVE SINTERING OF OPTIMIZED-COMPACTNESS POWDER BEDS USING A HIGH ENERGY BEAM - A method for fabricating a part by selective melting or sintering of powder beds by high energy beam, the method including a) providing a material in the form of powder particles; b) depositing a first powder layer on a support; c) scanning a region of the first layer with the beam to heat the powder locally to a temperature higher than the powder sintering temperature, such that the powder particles as melted or sintered form a first single-piece element; d) depositing a second powder layer on the first powder layer; e) scanning a region of the second layer with the beam to heat the powder to a temperature higher than the powder sintering temperature, so that the particles of powder as sintered or melted form a second single-piece element; and f) repeating d) and e) for each new powder layer laid over a preceding layer until the part is formed. | 11-12-2015 |
| 20150367418 | APPARATUSES, SYSTEMS AND METHODS FOR THREE-DIMENSIONAL PRINTING - The present disclosure provides three-dimensional (3D) objects, 3D printing processes, as well as methods, apparatuses and systems for the production of a 3D object. Methods, apparatuses and systems of the present disclosure may reduce or eliminate the need for auxiliary supports. The present disclosure provides three dimensional (3D) objects printed utilizing the printing processes, methods, apparatuses and systems described herein. | 12-24-2015 |
| 20160052079 | ENHANCED ADDITIVE MANUFACTURING - Various embodiments of the present invention relate to a method for operating an additive manufacturing apparatus in which a three-dimensional article is formed. Said method comprising the steps of: providing a vacuum chamber having at least a first and a second section, wherein said first and second sections are openly connected to each other, providing a predetermined vacuum level inside said vacuum chamber, providing a layer of powder material on a work table in said first section of said vacuum chamber, directing an electron beam from said at least one electron beam source provided in said second section over said work table to fuse in first selected locations according to said model to form a first cross section of said three-dimensional article, purging said second section with a dry gas when said vacuum chamber is open for prohibiting ambient air into said second section. | 02-25-2016 |
| 20160054115 | ENERGY BEAM POSITION VERIFICATION - A method for verifying a position of an energy beam spot, said method comprising the steps of: providing a calibrated energy beam having a first focus in a at least two positions at a work table, detecting said at least two positions of said energy beam spot on said work table created with said energy beam having said first focus, providing said calibrated energy beam having a second focus in said at least two positions at a work table, detecting said at least two positions of said energy beam spot on said work table created with said energy beam having said second focus, comparing said at least two positions created with said first and second focus, wherein said position of the energy beam is verified if said positions created with said first focus are deviating less than a predetermined distance from said positions created with said second focus. | 02-25-2016 |
| 20160144430 | CONTACT ARRANGEMENT FOR USE IN AN APPARATUS FOR PRODUCING THREE-DIMENSIONAL WORK PIECES - A contact arrangement ( | 05-26-2016 |
