Class / Patent application number | Description | Number of patent applications / Date published |
264497000 | Using laser sintering of particulate material to build three-dimensional product (e.g., SLS, selective laser sintering, etc.) | 79 |
20080203621 | Device and Method for the Manufacturing of a Three-Dimensional Object - A device for manufacturing a three-dimensional object by a layerwise solidification of a building material in powder form at the positions in the respective layer that correspond to the object to be manufactured is provided. A work plane ( | 08-28-2008 |
20080277837 | Gas Permeable Molds - Gas permeable molds and mold segments having open porosity ( | 11-13-2008 |
20090033003 | Method and Apparatus for the Production of a Workpiece of Exact Geometry - This invention relates to a device and procedure for the production of a work piece with exact geometry and high surface quality, a form tool in particular. Preferably, the work piece is constructed using a process wherein powder coatings are applied one on top of each other, by means of compaction, said process being computer-controlled. After the powder has been compacted, the surfaces thereof are finely machined in a mechanical manner. During the entire machining process, the work piece to be produced is surrounded with powdery source material. | 02-05-2009 |
20090045553 | Device and Method for a Layerwise Manufacturing of a Three-Dimensional Object from a Building Material in Powder Form - A method is provided, by which a three-dimensional object is manufactured by a subsequent solidification of layers of a building material in powder form at the positions in the respective layer that corresponds to the cross-section of the object by means of the action of a laser or another energy source, | 02-19-2009 |
20090051082 | METHOD FOR PRODUCING ARTIFICIAL BONE - A method for producing an artificial bone precursor is disclosed. The method comprises: extracting a part corresponding to a cancellous bone and/or a cortical bone from digitalized three-dimensional image data of a living bone, followed by setting a center line on the part; drawing a beam or a wall having a uniform diameter or thickness along the center line to form artificial bone image data; and stacking a sintered layer by laser-sintering a powder of titanium and the like based on the artificial bone image data. The precursor is suitable for an artificial bone having excellent osteoconductivity and osteoinductivity. | 02-26-2009 |
20090121393 | PROCESS OF FABRICATING THREE-DIMENSIONAL OBJECT - A light beam is irradiated to sinter powder layers into a plurality of cured layer which are superimposed to each other to fabricate a three-dimensional object. A portion forming an outer shell of the object is given by high-density cured layers, while the other portion is given by low-density cured layers. The high-density cured layer making up at least a side of the object is composed of a high-density primary cured layer obtained by irradiation of a primary irradiation to the powder layer, and a high-density secondary layer obtained by a secondary irradiation to a supplemental powder layer supplied on the high-density primary cured layer. Thus, the high-density cured layer is given a height in level with the low-density cured layer, which assures constant height of each cured layer which is a combination of the high-density cured layer and the low-density cured layer. | 05-14-2009 |
20090206522 | Device and method for manufacturing a three-dimensional object by means of an application device for building material in powder form - A device and a method for manufacturing a three-dimensional object ( | 08-20-2009 |
20090250844 | METHOD OF FABRICATING METAL- AND CERAMIC- MATRIX COMPOSITES AND FUNCTIONALIZED TEXTILES - A method of manufacturing an article comprises providing a first sheet, wetting the first sheet with a liquid precursor to provide a first wet sheet, and irradiating the first wet sheet in a pattern corresponding to a first cross section of the article such that the liquid precursor is at least partially converted to a solid in the first cross section. A second sheet is disposed adjacent to the first sheet. The method further comprises wetting the second sheet with the liquid precursor to provide a second wet sheet, and irradiating the second wet sheet in a pattern corresponding to a second cross section of the article such that the liquid precursor is at least partially converted to a solid in the second cross section. In particular the liquid precursor may be converted to a metal, ceramic, semiconductor, semimetal, or a combination of these materials. | 10-08-2009 |
20090295042 | Selective sintering of structurally modified polymers - A three-dimensional object is manufactured by selective sintering by means of electromagnetic radiation, wherein the powder comprises a polymer or copolymer having at least one of the following structural characteristics:
| 12-03-2009 |
20090321998 | Rounded-Particle Plastic Powder in Particular for Application in Laser Sintering, Method for Production of Such a Powder and Laser Sintering Process Using Such a Powder - In a laser sintering method for producing a three-dimensional object wherein subsequent layers of the object to be formed are subsequently solidified on positions corresponding to the object, as a build-up material, a powder is used wherein the upper grain limit of the powder particles is below 100 μm, the D | 12-31-2009 |
20100090374 | GEOMETRY ADAPTIVE LASER SINTERING SYSTEM - An apparatus comprises a deformable platform and a laser delivery system. The deformable platform has a surface capable of changing to conform to a shape of an object as the object is being manufactured during a sintering process. The laser delivery system is capable of sintering powder on the deformable platform to manufacture the object. | 04-15-2010 |
20100171241 | MANUFACTURING AIRCRAFT PARTS - A method and apparatus is present for manufacturing parts. A powder material is comprised of a polymer that is semi-crystalline. The powder material has an overlap between a melting temperature range and a crystallization temperature range. The powder material also has a size particular distribution that is substantially a Gaussian distribution, a particle shape that is substantially spherical, and a desired melt flow rate that is less than a temperature at which the powder material begins to chemically break down. The powder material is selected to form a selected powder material. A part is manufactured using an energy delivery system and the selected powder material. | 07-08-2010 |
20100176539 | MANUFACTURING METHOD OF THREE-DIMENSIONALLY SHAPED OBJECT - An equipment for metal-laser sintering process includes a powder layer forming unit, an irradiation unit which irradiates light beams, a correction target on which a correction mark serving as a fiducial in correction of the irradiation points of the light beams is formed, and an imaging camera which takes an image of the correction mark. The correction target is formed of a material which is melted by irradiation of light beam so as to be formed a through hole. The correction target is disposed on the substrate and the light beams are irradiated to penetrate the correction target so that the correction mark is formed. Subsequently, the imaging camera takes an image of the correction mark and the location of the correction mark is measured, and thus, correction of the irradiation points is performed. Since the correction mark is formed to be a through hole, contrast becomes clear so that location of the correction mark can be measured easily, and the correction of the irradiation points of the light beams can be performed easily. | 07-15-2010 |
20100244333 | Apparatus for Three Dimensional Printing Using Imaged Layers - A three-dimensional printer adapted to construct three dimensional objects is disclosed. In an exemplary embodiment, the printer includes a first surface adapted to receive a bulk layer of sinterable powder, a polymer such as nylon powder; a radiant energy source, e.g., an incoherent heat source adapted to focus the heat energy to sinter an image from the layer of sinterable powder; and a transfer mechanism adapted to transfer or print the sintered image from the first surface to the object being assembled while fusing the sintered image to the object being assembled. The transfer mechanism is preferably adapted to simultaneously deposit and fuse the sintered image to the object being assembled. The process of generating an image and transferring it to the object being assembled is repeated for each cross section until the assembled object is completed. | 09-30-2010 |
20100270713 | Method of Manufacturing a Three-Dimensional Object by Use of Synthetic Powder Having Anti-Microbial Properties, and Synthetic Powder Having Anti-Microbial Properties for Such a Method - A method is provided, in which three-dimensional objects are manufactured by layer-wise solidifying powdery synthetic material by impact of electromagnetic or particle radiation, wherein the powdery synthetic material has an anti-microbial property so that the manufactured objects comprise surfaces having an anti-microbial effect. The anti-microbial property is achieved by additives which are present in each powder grain. Such additives can be noble metals, for example argent. The manufactured objects are mainly used in particular in the food industry and in medical engineering. | 10-28-2010 |
20110057360 | METHOD OF DEPOSITING MATERIAL - A method for depositing material at an intersection region ( | 03-10-2011 |
20110133367 | Device and Method for a Layerwise Manufacturing of a Three-Dimensional Object from a Building Material in Powder Form - A method is provided, by which a three-dimensional object is manufactured by a subsequent solidification of layers of a building material in powder form at the positions in the respective layer that corresponds to the cross-section of the object by means of the action of a laser or another energy source, | 06-09-2011 |
20110278773 | Device And Method Of Generatively Manufacturing A Three-Dimensional Object With Working Field Limitation - The present invention relates to a device and a method of generatively manufacturing a three-dimensional object in a device, comprising the following steps: layerwise applying a powdery material ( | 11-17-2011 |
20110298160 | METHOD FOR MANUFACTURING RESIN MOLDING AND LASER BEAM IRRADIATION APPARATUS - A method for manufacturing a resin molding can be provided that uses a laser beam. The method can include providing the resin molding including welded portions that can impart high level of adhesion, have excellent appearance and provide very strong bonding strength. The method can also include arranging and pressing a weld region of a light-absorbing resin member and corresponding weld region of a light-transmitting resin member that are opposed to each other, and setting a plurality of irradiation areas in the extending direction of the welded regions. The method can also include arranging a plurality of laser irradiation scanning heads corresponding to the irradiation areas. Here, the irradiation areas can include a single irradiation area which the corresponding scanning head can irradiate with the laser beam and a composite irradiation area which the adjacent scanning heads can irradiate with respective laser beams. The method can further include causing the plurality of laser beams emitted from the scanning heads to repeatedly scan the single irradiation area along a first trajectory in the extending direction of the single irradiation area and part of both the single irradiation area and the composite irradiation area along a second trajectory in the extending direction, so that the entire welded regions are heated and fused to weld the light-transmitting resin member and the light-absorbing resin member. | 12-08-2011 |
20110304082 | MOULD LINING COMPRISING A SACRIFICIAL CONNECTING ELEMENT - The invention relates to a lining assembly ( | 12-15-2011 |
20110309556 | LINING ELEMENT COMPRISING A SHELL AND A CORE - The invention concerns a lining element intended to be applied to a support block of a segment of a segmented mould for tires, the lining element being intended to form tread patterns on part of a tire tread, characterized in that it comprises an outer shell ( | 12-22-2011 |
20120139166 | Method of and Apparatus for Making a Three-Dimensional Object - An apparatus for making a three-dimensional object includes a table, a powdery layer-former that forms a powdery layer on the table, and an optical beam-irradiator that irradiates an optical beam on a predetermined region of the powdery layer to sinter the predetermined region of the powdery layer. A chamber for accommodating the table and the powdery layer-former and a lid for opening and closing an opening defined in the chamber at a location immediately above an optical beam-irradiating range are provided. The three-dimensional object is taken out from the chamber through the opening upon completion of the sintering, and the optical beam-irradiator is disposed at a position deviated from immediately above the optical beam-irradiating range to obliquely irradiate the optical beam on the powdery layer. | 06-07-2012 |
20120139167 | METHOD AND DEVICE FOR PRODUCING A THREE-DIMENSIONAL OBJECT - A method for producing a three-dimensional object by selective solidification of a build material includes irradiating a surface of a mask with at least one radiation source. The mask is disposed at a distance from a build plane and an optical imaging system is used to produce a reproduction of the mask on the build plane. | 06-07-2012 |
20120223462 | Laser build up method using vibration and apparatus - A laser built up method on an object with different surfaces is provided. The object can be coated locally, which is not possible by the conventional rapid prototyping processes. The object is put into a powder bed, powder is provided on or near the object and the powder is only locally provided on the upper outer surface of the object and then densified. | 09-06-2012 |
20120274005 | PROCESS FOR PREPARING FOR CASTING - A process for preparing for casting is provided and includes forming a cast component defining an interior having a complex and/or irregular shape, introducing a non-solid material into the cast component interior and solidifying the non-solid material to form an inner shell, forming an outer shell about the cast component and removing the cast component from between the inner and outer shells. | 11-01-2012 |
20120306125 | Method and Apparatus for Manufacturing Components Used for the Manufacture of Articles - Methods of manufacturing wearable articles include: (a) performing a scan of a body part of a user on which the wearable article will be worn; (b) creating a virtual design of a mold insert configured to mold the wearable article, based on the scan; (c) saving the virtual design in a data file; (d) fabricating the mold insert using a laser sintering, fused deposition modeling, and stereolithography technique; (e) inserting the mold insert into a mold; (f) inserting moldable material into a cavity created at least in part by the mold insert; (g) molding the moldable material to produce the wearable article; and (h) removing the wearable article from the mold. The wearable article may include a portion of an article of footwear, such as a portion of a shoe sole. | 12-06-2012 |
20130001837 | TURBINE BLADE AND METHOD FOR ITS PRODUCTION - A method of producing a turbine blade is provided, wherein the turbine blade is produced by an additive production method. Cavities and/or lattice structures can be produced in one and the same process. The additive production method also allows drainage slots, heating openings, and/or other holes or, as the case may be, recesses to be provided in the turbine blade while the turbine blade is being produced. Holes can furthermore be furnished completely or partially with a lattice structure. | 01-03-2013 |
20130015609 | FUNCTIONALLY GRADED ADDITIVE MANUFACTURING WITH IN SITU HEAT TREATMENT - According to one embodiment of this disclosure, a method for manufacturing a component includes providing a first layer of powdered particles onto a table. The method further includes selectively fusing the first layer of powdered particles by transmitting energy from an energy beam through the table. | 01-17-2013 |
20130056912 | LASER-PRODUCED POROUS SURFACE - The present invention disclosed a method of producing a three-dimensional porous tissue in-growth structure. The method includes the steps of depositing a first layer of metal powder and scanning the first layer of metal powder with a laser beam to form a portion of a plurality of predetermined unit cells. Depositing at least one additional layer of metal powder onto a previous layer and repeating the step of scanning a laser beam for at least one of the additional layers in order to continuing forming the predetermined unit cells. The method further includes continuing the depositing and scanning steps to form a medical implant. | 03-07-2013 |
20130087952 | METHOD FOR FABRICATING DEVICE HOUSING HAVING CERAMIC COATING - A method for making a housing of an electronic device includes applying a layer of ceramic powder material to an outer surface of a metal substrate. The layer of ceramic powder material and a top layer of the metal substrate are melted by laser irradiation, forming a ceramic-metal composite coating integrally bonding with the metal substrate when cooled. The substrate with the ceramic-metal composite coating is heated to a peak temperature, maintained at the peak temperature for a desired period of time, and then cooled down to room temperature. The heat treated metal substrate with the ceramic-metal composite coating is then formed into a desired shape. | 04-11-2013 |
20130134637 | OPTICAL IRRADIATION DEVICE FOR A SYSTEM FOR PRODUCING THREE-DIMENSIONAL WORK PIECES BY IRRADIATING POWDER LAYERS OF A POWDERED RAW MATERIAL USING LASER RADIATION - An optical irradiation device is provided which includes a multimode optical fiber suitable for the central wavelength of a beam of light having a first beam profile which enters through an input connection for multimode guidance; a switching device, which can be switched between a first and second light conducting state and is configured to conduct the beam of light entering through the input connection in the first light conducting state to an output connection, such that the beam of light has the first beam profile on emerging from the output connection, and guides the beam of light entering the input connection to the output connection by the multimode optical fiber in the second light conducting state, so that the beam of light has a second beam profile different from the first beam profile on emerging from the output connection by the multimode guidance in the multimode optical fiber. | 05-30-2013 |
20130256953 | METHOD FOR MANUFACTURING AN OBJECT BY SOLIDIFYING POWDER USING A LASER BEAM WITH THE INSERTION OF A MEMBER FOR ABSORBING DEFORMATIONS - Method for manufacturing an object, includes: a) depositing a first layer of powder onto a work area constituted by a plate; b) compacting the first layer; c) solidifying a first area of the layer compacted in step b) using a laser beam, the area corresponding to a section of the bottom of the finished object; and d) repeating steps a) through c) until the object is obtained. An additional step e) before step c) includes producing, by solidifying a powder using the laser beam, a member for absorbing deformations to be arranged between the work area and an area to be part of an area corresponding to a portion of a bottom of the finished object. The absorption member produced includes a deformable substrate including a plurality of blades capable of connecting a surface of the plate to the first area constituting a surface of a bottom of the object. | 10-03-2013 |
20130264749 | SURFACE MODIFIED UNIT CELL LATTICE STRUCTURES FOR OPTIMIZED SECURE FREEFORM FABRICATION - Aspects of the present disclosure relate generally to preparing models of three-dimensional structures. In particular, a model of a three-dimensional structure constructed of porous geometries is prepared. A component file including a porous CAD volume having a predefined portion of a boundary. A space including the porous CAD volume is populated with unit cells overlapping the predefined portion of the boundary. The unit cells are populated with porous geometries having a plurality of struts having nodes on each end. At least a first strut overlaps the predefined portion of the boundary and has a length, a first node outside the porous CAD volume, and a second node inside the porous CAD volume. All struts entirely outside the porous CAD volume are removed. After removal of the struts entirely outside the porous CAD volume, each of the remaining struts is connected to a node at each end thereof. | 10-10-2013 |
20130264750 | METHOD FOR SELECTIVE LASER SINTERING AND SYSTEM FOR SELECTIVE LASER SINTERING SUITABLE FOR SAID METHOD - A method and a device perform selective laser sintering. In the method for laser sintering, energy is applied linearly to a cross-sectional surface of the component to be produced in order to compact the powdery material. In the case of components with cross-sectional surfaces that have a curved contour, the application of energy can be guided in a line-shaped manner following the curved contour so that the contour of the workpiece that develops is continuously replicated. Advantageously, irregularities in the contour, which are caused by the raster predetermined by the laser sintering method, can thus be largely avoided. The device for laser sintering includes a powder delivery unit which can rotate about a rotational axis located in the interior of an annularly closed cross-section of the workpiece to be produced.) | 10-10-2013 |
20130270750 | APPARATUS AND METHODS FOR ADDITIVE-LAYER MANUFACTURING OF AN ARTICLE - Apparatus is for additive layer manufacturing of an article from a material which can be rendered solid locally by application of a focused beam of laser radiation at a planar focal plane. The apparatus includes at least two laser beams, respective scanners for each laser beam for scanning the respective laser beams over a planar field, and a support movable stepwise to allow successive manufacturing layer cycles and for supporting material within the field. The entire planar field is common to each scanner and at least one scanner is tilted with respect to the planar field, and the at least one scanner is provided with a lens arranged to generate a focal plane tilted with respect to that scanner. | 10-17-2013 |
20130277891 | METHOD FOR MANUFACTURING AN OBJECT BY SOLIDIFYING A POWDER USING A LASER - This process for manufacturing an object by solidifying a powder (P) includes steps of: a) depositing a powder layer (P) on a working zone (Z); b) compacting this layer; c) solidifying a first zone ( | 10-24-2013 |
20130300035 | METHOD FOR PRODUCTION OF A THREE-DIMENSIONAL BODY - The invention concerns a method for production of a three-dimensional body by successively providing powder layers and fusing together of selected areas of said layers, which areas correspond to successive cross sections of the three-dimensional body, wherein the method comprises the following steps for at least one of said layers: applying the at least one powder layer onto a working area, and fusing together a selected area of the at least one powder layer by supplying energy from a radiation gun to the selected area. The invention is characterized in that it comprises the steps of: establishing an intended beam path that is to be used when fusing together the selected area of the at least one powder layer, calculating a temperature in the at least one powder layer along the intended beam path as a function of a specific energy deposition of an imaginary beam that is assumed to move along the intended beam path, adjusting the specific energy deposition of the imaginary beam along the intended beam path depending on the calculated temperature and on conditions set for the step of fusing together the selected area, and providing, based on the calculations and the adjustments, an operating scheme for the specific energy deposition of the real beam to be used for the intended beam path when fusing together the selected area of the at least one layer. | 11-14-2013 |
20130307196 | PRODUCTION OF AN ARTICLE BY SELECTIVE FUSION OF POLYMER POWDER LAYERS - A process is described for manufacturing articles by selective fusion of polymer powder layers, especially the rapid prototyping by solid-phase laser sintering of a powder based on a copolyamide of type 6 having a low enthalpy of cold crystallization. Further described, are the articles obtained by such a process. | 11-21-2013 |
20130320598 | 3D-PRINTED BODIES FOR MOLDING DOWNHOLE EQUIPMENT - There is disclosed herein a method of printing a printed body to be formed from a plurality of layers by 3D printing, the method comprising: depositing a plurality of layers of material, the material in the layers being bonded to form a body from the layers, the body including a mold that at least partially defines a mold cavity having an inner surface substantially corresponding to at least a portion of the external surface of an object to be molded in the mold cavity, wherein: the object to be molded is to be formed by infiltrating a matrix material held in the mold cavity with an infiltration material; and the body includes at least a portion of the matrix material to be held in the mold cavity, the at least a portion of the matrix material being deposited and bonded in the plurality of layers during printing of the body. | 12-05-2013 |
20130341838 | METHOD OF FABRICATING A PART BY SELECTIVE MELTING OR SELECTIVE SINTERING OF POWDER BEDS BY MEANS OF A HIGH ENERGY BEAM - A method provides a device having a feeder vessel, a building vessel with a bottom and a fabrication plate that is movable in vertical translation, a transfer system suitable for depositing powder from the feeder vessel to the building vessel as a powder layer of constant thickness, and a high energy beam optical system suitable for scanning the surface of the deposited powder layer. A powder is placed in the feeder vessel. A first series of powder layers is deposited on the fabrication plate. The particles of powder are melted or sintered to form a plurality of columns of material that are separated from one another by particles of powder. A second series of layers of powder is deposited on the first series of layers of powder particles to form a single-piece element. A thermal insulation platform is formed between the fabrication plate and said single-piece element. | 12-26-2013 |
20140015172 | ADDITIVE LAYER MANUFACTURING - An additive layer manufacturing system and method are provided. The system includes a powder delivery system providing at least one powder feed from a powder stock to a powder exit adjacent a deposition point. The powder delivery system further comprises at least one valve system proximal to the powder exit for controlling the flow of the at least one powder feed at the deposition point. | 01-16-2014 |
20140035205 | POWDER RAPID PROTOTYPING APPARATUS AND POWDER RAPID PROTOTYPING METHOD - A powder rapid prototyping apparatus includes a decompressable chamber, a thin layer forming section which supplies powder material from a powder material housing container provided in the chamber to form a thin layer of the powder material, an energy beam source for heating which outputs energy beam for heating which sinters or melts and models the thin layer of the powder material, and a control section which controls the modeling, wherein the control section exposes the powder material to the decompressed atmosphere before starting modeling, and houses the powder material in the powder material housing containers in a divided manner. | 02-06-2014 |
20140077421 | ADDITIVE MANUFACTURING CHAMBER WITH REDUCED LOAD - A disclosed additive manufacturing machine includes a fixed platform defining a work surface for supporting fabrication of a part and a housing defining a chamber over the work surface. A material applicator is supported on the housing for depositing material onto the work surface. An energy directing device is also supported on the housing and directs energy within the chamber to form a part. The housing is movable relative to the work surface therefore moves the energy producing device relative to the work surface to maintain a distance between the energy directing device and a surface of the part during fabrication. | 03-20-2014 |
20140077422 | REDUCED BUILD MASS ADDITIVE MANUFACTURING CHAMBER - A disclosed additive manufacturing machine includes a work surface for supporting fabrication of part and a housing defining a chamber over the work surface. A material applicator supported on the housing deposits material onto the work surface and a blocker plate disposed between the material applicator and the work surface for blocking a portion of material deposited by the material applicator. An energy directing device is supported on the housing and directing energy within the chamber to form the part. | 03-20-2014 |
20140197579 | POLYMER ADDITIVE LAYER MANUFACTURING - An additive layer manufacturing method for producing a shaped article, comprising providing a powdered thermoplastic polymer material ( | 07-17-2014 |
20140252687 | System and Method for High Power Diode Based Additive Manufacturing - A system is disclosed for performing an Additive Manufacturing (AM) fabrication process on a powdered material forming a substrate. The system may make use of a diode array for generating an optical signal sufficient to melt a powdered material of the substrate. A mask may be used for preventing a first predetermined portion of the optical signal from reaching the substrate, while allowing a second predetermined portion to reach the substrate. At least one processor may be used for controlling an output of the diode array. | 09-11-2014 |
20140265045 | Chute for Laser Sintering Systems - There is provided improved laser sintering systems that increase the powder density and reduce anomalies of the powder layers that are sintered, that measure the laser power within the build chamber for automatic calibration during a build process, that deposit powder into the build chamber through a chute to minimize dusting, and that scrubs the air and cools the radiant heaters with recirculated scrubbed air. The improvements enable the laser sintering systems to make parts that are of higher and more consistent quality, precision, and strength, while enabling the user of the laser sintering systems to reuse greater proportions of previously used but unsintered powder. | 09-18-2014 |
20140265046 | LASER SINTERING APPARATUS AND METHODS - One variation of a method for detecting a temperature at a laser sintering site within a field of view of an image sensor within a laser sintering device includes: based on a selected fuse temperature for a laser sintering build material, setting a first shutter speed for the image sensor, the first shutter speed corresponding to a detectable range of temperatures including an anticipated temperature at the laser sintering site; at a first time, capturing a first digital image of the laser sintering site with the image sensor at a first shutter speed; and correlating a light intensity of a pixel within the first digital image with a first temperature at the laser sintering site at the first time based on the first shutter speed. | 09-18-2014 |
20140265047 | LASER SINTERING APPARATUS AND METHODS - One variation of a method for controlling construction of a part over a build platform within a laser sintering device including an opaque door configured to seal the build platform within a build chamber includes: setting a lamp within the build chamber to an off state; detecting electromagnetic radiation within the build chamber based on an output of an optical sensor within the build chamber; in response to detection of electromagnetic radiation above a threshold flux, interrupting construction of the part within the build chamber; in response to detection of electromagnetic radiation below the threshold flux, setting the lamp to an on state to illuminate the build chamber; at an image sensor within the build chamber, capturing a digital image of the laser sintering site; and rendering the digital image on a digital display arranged on an exterior surface of the laser sintering device. | 09-18-2014 |
20140265048 | CARTRIDGE FOR AN ADDITIVE MANUFACTURING APPARATUS AND METHOD - One variation of a method for constructing a three-dimensional structure within a additive manufacturing apparatus includes: reading an identifier from a cartridge transiently loaded into the additive manufacturing apparatus; initiating a build cycle; dispensing a layer of powdered material from the cartridge into a build chamber of the additive manufacturing apparatus; during the build cycle, selectively fusing regions of the layer; in response to completion of the build cycle, dispensing a volume of loose powdered material from the build chamber into the cartridge; and over a computer network, updating a computer file with data pertaining to the build cycle, the computer file specific to the cartridge and accessed according to the identifier. | 09-18-2014 |
20140265049 | CARTRIDGE FOR AN ADDITIVE MANUFACTURING APPARATUS AND METHOD - One variation of a method for constructing a three-dimensional structure within a additive manufacturing apparatus includes: reading an identifier from a cartridge transiently loaded into the additive manufacturing apparatus; based on the identifier, retrieving from a computer network a laser fuse profile for powdered material contained within the cartridge; leveling a volume of powdered material dispensed from the cartridge into a layer of substantially uniform thickness across a build platform within the additive manufacturing apparatus; and selectively fusing regions of the layer according to a fuse parameter defined in the laser fuse profile. | 09-18-2014 |
20150061195 | Method For Analytically Determining SLS Bed Temperatures - A method for determining a bed temperature setpoint for use with a powder in a selective laser sintering machine is disclosed. The method includes the step of providing a powder comprising a polymer for use in a selective laser sintering machine. The method further includes the step of determining a ratio of a liquid portion of the powder to a solid portion of the powder as a function of temperature within a temperature range. A bed temperature setpoint is selected in the temperature range corresponding to a desired ratio of the liquid portion of the powder to the solid portion of the powder. A temperature of a bed of a selective laser sintering machine is set to the selected bed temperature setpoint, and a part is built from the powder using the selective laser sintering machine. | 03-05-2015 |
20150069668 | MULTI-DIMENSIONAL COMPONENT BUILD SYSTEM AND PROCESS - An example multi-dimensional component building system includes a first chamber having at least one base disposed therein, a second chamber adjacent to and in fluid communication with the first chamber through a first door, and a third chamber adjacent to and in fluid communication with the second chamber through a second door. The second chamber is fluidly sealed from the first chamber if the first door is in a closed position. The second chamber is configured to receive the at least one base via a first transfer mechanism if the fluid parameters of the first chamber are approximately equal to the fluid parameters of the second chamber. The second chamber includes a directed heat source and a build-up material configured to form a component on the at least one base by melting or sintering. The third chamber is fluidly sealed from the second chamber if the first door is in a closed position. The third chamber is configured to receive the at least one base, having a formed component disposed thereon, via a second transfer mechanism if the second door is in an open position. The fluid parameters of the second chamber are not substantially affected by fluid communication with the first chamber or the third chamber. | 03-12-2015 |
20150108695 | STACK FORMING APPARATUS AND MANUFACTURING METHOD OF STACK FORMATION - A stack forming apparatus according to embodiments comprises a nozzle and a controller. The nozzle is configured to selectively inject more than one kind of material to a target and to apply laser light to the injected material to melt the material. The controller is configured to control the kind and supply amount of material to be supplied to the nozzle. | 04-23-2015 |
20150130118 | POWDER SHAPING METHOD AND APPARATUS THEREOF - A powder shaping method comprises: providing a powder on a target surface; providing a laser beam to illuminate the powder so as to form a pre-treated powder; and providing an energy beam to illuminate the pre-treated powder for enabling a shaping process. In addition, a powder shaping apparatus comprises a base, a target surface, a powder supply unit and an energy beam source system. The target surface is disposed on the base and can be fixed or moved on the base. The powder supply unit provides a powder on the target surface. The energy beam source system has a laser source and an energy source, the laser source provides a laser beam to illuminate the powder to form a pre-treated powder, and the energy source provides an energy beam to further illuminate the pre-treated powder to make a shaping process. | 05-14-2015 |
20150145177 | APPARATUS AND METHOD FOR FORMING THREE-DIMENSIONAL OBJECTS USING LINEAR SOLIDIFICATION WITH CONTOURLESS OBJECT DATA - An apparatus and method for making a three-dimensional object from a solidifiable material using a linear solidification device and contourless object data is shown and described. A voxel matrix is superimposed over an object model defined by three-dimensional object data to determine active voxels that intersect at least a portion of the object model. The active voxels are related to a path generation reference frame of an apparatus for making a three-dimensional object to generate solidification energy source event data that defines scanning (y) axis locations and/or solidification times at which a linear solidification device supplies solidification energy to a solidifiable material. | 05-28-2015 |
20150290707 | WORKING ADDITIVELY MANUFACTURED PARTS - A method of working an additively manufactured part includes applying a layer of wax to a part manufactured with an additive manufacturing process. Then a mold is formed over the layer of wax on the part. The wax is then removed from between the mold and the part. The part is then melted in the mold, and then the part is re-solidified in the mold. Finally, the mold is removed. | 10-15-2015 |
20150321422 | SENSOR FUSION FOR POWDER BED MANUFACTURING PROCESS CONTROL - A system for additive manufacturing a component includes an additive manufacturing machine for building a component layer by layer and a first sensor configured to collect a first physical property data for each layer of the component as each layer is formed by the additive manufacturing machine. The system also includes a second sensor configured to collect a second physical property data for each layer of the component as each layer is formed by the additive manufacturing machine. A computing device is operatively connected to the first and second sensors and configured to receive the first physical property data and the second physical property data of the component and configured to compare the first physical property data with the second physical property data to determine a potential failure mode in the component. | 11-12-2015 |
20150352784 | Integrated Multi-Material Implants and Methods of Manufacture - Provided are methods and systems for fabricating multimaterial bodies in a layer-wise fashion, which bodies may be used bone-stabilizing implants. The multimaterial bodies include rigid and flexible portions that are integrally formed with one another. The multimaterial bodies may be softened or stiffened in specific areas to match the biological or anatomical features of a bone. | 12-10-2015 |
20160067923 | ARTICULATING BUILD PLATFORM FOR LASER ADDITIVE MANUFACTURING - An additive manufacturing apparatus ( | 03-10-2016 |
20160083303 | ADDITIVE MANUFACTURING OF CERAMIC TURBINE COMPONENTS BY TRANSIENT LIQUID PHASE BONDING USING METAL OR CERAMIC BINDERS - A ceramic turbine component is formed by a process including mixing a ceramic powder with an inorganic binder powder. The powder mixture is then formed into a turbine component that is subsequently densified by transient liquid phase sintering. In an embodiment, the turbine component may be formed by an additive manufacturing process such as selective laser sintering. | 03-24-2016 |
20160083304 | ADDITIVE MANUFACTURING OF CERAMIC TURBINE COMPONENTS BY PARTIAL TRANSIENT LIQUID PHASE BONDING USING METAL BINDERS - A ceramic turbine component is formed by a process including mixing a ceramic powder with a metal binder powder mixture. The powder mixture is then formed into a turbine component that is subsequently densified by partial transient liquid phase sintering. In an embodiment, the turbine component may be formed by an additive manufacturing process such as selective laser sintering. | 03-24-2016 |
20160096325 | THREE DIMENSIONAL PRINTER - A powder sintering lamination molding method which can improve the quality of the molded product without extending the time required for the lamination molding. A powder sintering lamination molding method, including the steps of, irradiating an irradiation region of the sliced layer of a molded product surrounded by an outline profile with a laser to selectively sinter the material powder of the material powder layer within the irradiation region; wherein a cooling period is provided after the laser is irradiated along the first line and before the laser is irradiated along the second line. | 04-07-2016 |
20160114531 | ADDITIVE MANUFACTURING SYSTEM AND ADDITIVE MANUFACTURING METHOD - An additive manufacturing system is provided. The system includes: a stage, a powder supplying device, an energy beam generating device and an atmosphere controlling module. The powder supplying device provides powder to the stage. The energy beam-generating device generates an energy beam and directs the energy beam to the stage. The atmosphere controlling module includes at least one pair of gas inlet-outlet devices coupled around the stage, and a dynamic gas flow controlling device connected with the gas inlet-outlet devices. The dynamic gas flow controlling device dynamically controls an angle between a flow direction of the gas and a moving direction of the energy beam. The angle is predetermined by a scanning strategy. | 04-28-2016 |
20160115083 | CERAMIC POWDER, METHOD OF MANUFACTURING THE SAME, AND METHOD FOR LASER SINTER MOLDING - Disclosed is a method of manufacturing a ceramic powder, which includes forming a slurry by mixing of first ceramic particles, binder and water, spraying and drying the slurry to form a first ceramic core portion, and thermally treating and shaping the first ceramic core portion. The first ceramic core portion has a first flexural strength and a first coefficient of thermal expansion. The method further includes forming another slurry to form a second ceramic shell portion formed by second ceramic particles and covering the first ceramic core portion. The second ceramic shell portion has a second flexural strength and a second coefficient of thermal expansion. The ceramic powder is formed by thermally treating and shaping the first ceramic core portion and the second ceramic shell portion. | 04-28-2016 |
20160144571 | Calibration Device and Calibration Method for an Apparatus for Producing an Object in Layers - A calibration device ( | 05-26-2016 |
20160167303 | SLICING METHOD | 06-16-2016 |
20170232637 | Additive Manufacturing, Bond Modifying System And Method | 08-17-2017 |
20170232638 | DEPOSITION OF CLAY STRUCTURES | 08-17-2017 |
20170232670 | METHOD AND SUPPORTS WITH POWDER REMOVAL PORTS FOR ADDITIVE MANUFACTURING | 08-17-2017 |
20170232671 | METHODS AND BREAKABLE SUPPORTS FOR ADDITIVE MANUFACTURING | 08-17-2017 |
20170232672 | METHODS AND KEYWAY SUPPORTS FOR ADDITIVE MANUFACTURING | 08-17-2017 |
20170232682 | METHODS AND SURROUNDING SUPPORTS FOR ADDITIVE MANUFACTURING | 08-17-2017 |
20170232683 | METHOD AND CONNECTING SUPPORTS FOR ADDITIVE MANUFACTURING | 08-17-2017 |
20180022043 | METHOD OF SELECTIVE LASER SINTERING | 01-25-2018 |
20190143601 | 3D-PRINTING DEVICE AND METHOD | 05-16-2019 |
20190143606 | METHOD FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS | 05-16-2019 |
20220134660 | Distributed Flux Array - An apparatus includes at least one laser source and a print bed. A light valve array having at least three optically addressable light valves is positioned to direct differing images at the print bed. Optics to direct multiple beams derived from the at least one laser source can be positioned to direct light toward and from the optically addressable light valves. | 05-05-2022 |
20220134671 | METHOD FOR PRODUCING A THREE-DIMENSIONAL COMPONENT - The invention relates to a method for manufacturing a three-dimensional component | 05-05-2022 |