| Entries |
| Document | Title | Date |
|---|
| 20090026174 | Methods for Performing Manual Laser Deposition - Methods for performing manual laser deposition are provided. In this regard, a representative method includes: directing a laser beam at a first deposit location of a substrate to re-melt: at least a portion of a first deposit of weld filler, at least a portion of a second deposit of weld filler located at a second deposit location that partially overlaps the first deposit, and at least a portion of the substrate. | 01-29-2009 |
| 20090057275 | Method of Repairing Nickel-Based Alloy Articles - Methods for repairing nickel based alloy articles such as gas turbine rotors generally includes a removing a damaged portion of the articles and laser cladding a high temperature nickel based alloy powder thereto to form a solid layer. The process can be repeated until a desired thickness is obtained. Optionally, a peening process subsequent to laser cladding can be implemented to introduce compressive stress to the solid layer formed by laser cladding. | 03-05-2009 |
| 20090166338 | PRESERVING APPARATUS FOR WELDED JOINT PORTION AND PRESERVING METHOD THEREFOR - A preserving apparatus for preserving welded joint portions | 07-02-2009 |
| 20090200275 | Solid state additive manufacturing system - A process for solid state deposition of a material onto a workpiece includes the steps of providing a rod of metallic deposition material, exerting pressure at one end of the rod to move the metallic deposition material into a deposition zone, rotating the rod while the pressure is being exerted to generate frictional heat when the rod contacts a surface of the workpiece, and raising the temperature of the metallic deposition material to reduce the amount of frictional heat which needs to be generated during the rotating step and to produce a microstructure which is substantially free of porosity and which has a fine grain size. | 08-13-2009 |
| 20090283501 | PREHEATING USING A LASER BEAM - A laser deposition apparatus is provided which uses a laser beam to manufacture and/or repair a work piece by depositing a material on a work piece and controlling a temperature of the work piece using a laser beam prior to, during and/or after deposition. The temperature controlling laser beam has a larger cross-sectional area than a laser beam used for deposition at the surface of the work piece. | 11-19-2009 |
| 20090308847 | EROSION PREVENTION METHOD AND MEMBER WITH EROSION PREVENTIVE SECTION - A method is provided, which ensures reliability during manufacture and in the use environment, and allows affording erosion prevention capability in an inexpensive manner, to an erosion-susceptible portion such as turbine rotor blades. An erosion preventive section | 12-17-2009 |
| 20110024393 | PROCESS OF CLOSING AN OPENING IN A COMPONENT - A process for closing an opening in a surface of a component, and components formed thereby. The process entails forming a channel in the component surface so that the channel at least partially surrounds an opening at the component surface. An alloy is then deposited in the channel to form a crack-free deposit in the channel. A step is then machined that intersects the opening and is at least partially formed in the deposit. The step defines a recess that is at least partially surrounded by a peripheral portion of the deposit and has a surface recessed into the component surface. A cap is placed in the recess and welded to the peripheral portion of the deposit to define a weld joint that completely closes the opening. The surface of the weld joint is then machined to form a machined surface that is substantially flush with the component surface. | 02-03-2011 |
| 20110024394 | BORE WELDING DEVICE WITH WORM DRIVE AND ADJUSTABLE CLAMPING SPINDLE - A bore welding mechanism comprising a casing having spindle bushings rotationally and axially supporting a rotatable and axially translatable spindle for supporting a bore repair mechanism in alignment with a bore. The spindle has an axially extending keyway and a worm gear thread extending for at least a part of a length of the spindle. A spindle drive gear is coupled to the spindle by a drive key engaging with the keyway of the spindle so that the spindle is rotationally fixed to the spindle drive gear and axially translatable with respect to the spindle drive gear. A drive shaft extends through the casing, transversely to and offset from an axis of the spindle, and includes a drive shaft worm gear rotationally fixed to the drive shaft. The worm gear engages with the spindle drive gear to rotate the spindle drive gear and the spindle due to rotation of the drive shaft. | 02-03-2011 |
| 20110079585 | PORTABLE BORE WELDING MACHINE - A level entry bore welder that is easier to use and less expensive to purchase. It has an adjustable step feature that allows the operator to control the bead placement inside the bore of a work piece. It includes a simple remote control apparatus that adjusts the welding torch rotation speed as a function of the diameter of the bore. The remote control apparatus also permits the operator to turn the wire feed mechanism on and off. The welder is suited for bores up to 12 inches in diameter. | 04-07-2011 |
| 20110132879 | CONNECTING ELECTRICAL PARTS - A method for connecting electrical parts The method includes retaining a piece of metal within a nozzle, supplying inert gas to the nozzle, and irradiating the retained piece of metal with a light source while the supplied inert gas flows from apertures in the nozzle. The metal is melted by the light source. The method also includes ejecting the melted metal from the nozzle by the supplied inert gas onto electrical parts. | 06-09-2011 |
| 20110248001 | METAL DEPOSITION METHOD AND LASER METAL DEPOSITION APPARATUS - In a deposition method of forming a buildup on a single crystal or directionally solidified crystal parent material, metal deposition is performed from an extension in a preferential growth orientation of parent material crystals while forcedly cooling a portion of the parent material somewhat below a processed surface and beforehand giving a temperature gradient to the parent material so that a maximum temperature gradient is oriented along the preferential growth orientation of parent material crystals. | 10-13-2011 |
| 20110253680 | METHOD OF MANUFACTURING A COMPONENT - A method of manufacturing a component. The method includes the steps of heating a working region of a substrate with a heating means; directing a material into the working region to bring the material into a temporary molten state, and depositing said material on the substrate such that when the material solidifies it forms at least part of the component. The heating means power output, stand off, orientation, speed and direction of travel relative to the substrate are adjustable and controlled throughout the material deposition process to control the shape and/or size of the working region to thereby control the distribution and rate of heat delivery to the substrate. | 10-20-2011 |
| 20120000890 | METHOD FOR REPAIRING GAS TURBINE BLADES AND GAS TURBINE BLADE - A method for repairing gas turbine blades includes: a thickness-reduced portion removing step S | 01-05-2012 |
| 20120118860 | Method for the welding production of a large-dimensioned part from ductile iron by using laser-deposition-welded buffer materials and electric welding - A method for producing a part from ductile iron, including the steps of designing the part in such a way that the part is composed of a plurality of part components, producing the part components from ductile iron, providing the part components in pairs, depositing buffer material onto the rim edge of the first part component and onto the rim edge of the second part component by means of deposition welding, laying the second part component with the rim section thereof on the rim section of the first part component so that the rim edges lie against each other with the buffer materials thereof, and welding the rim sections, wherein the buffer material is selected in such a way that a structure change in the ductile iron material of the part components is prevented when the rim sections are welded. | 05-17-2012 |
| 20120160811 | Apparatus for Applying Wear Coating in Conduit Elbows - An apparatus applies a wear coating on the interior surface of conduits, particularly conduit elbows, in which the weld head applying a weld bead forming the wear coating is supported by a wheel engaging the bottom surface of the conduit and interconnected with a push/pull cart mounted on a linear support frame exteriorly of the conduit by a plurality of linkage elements. Each of the head element and the linkage elements include a centralizing joint having a pair of transversely opposing rollers that engage the lateral sides of the conduit to maintain a consistent positioning of the welding arm at the distal end of the apparatus. The welding arm includes a three-axis adjustment for the welding torch tip for accurate location thereof within the conduit. Positional adjustment of the welding torch tip is provided by independent electric motors associated with each pivot axis in the welding arm. | 06-28-2012 |
| 20120285933 | MONOCRYSTALLINE WELDING OF DIRECTIONALLY COMPACTED MATERIALS - A method for directionally compacting a weld seam during build-up welding is provided. The method is used for the build-up welding of a component substrate that is compacted in a directional manner and comprises dendrites which extend in a substrate dendrite direction. The method parameters with respect to feed, laser power, weld beam diameter, powder beam focus and/or powder mass flow are designed such that they result in a local orientation of the temperature gradient to the solidification front, which is smaller than 45° with respect to the substrate dendrite direction of the dendrites in the substrate, wherein the relative speed is between 30 mm/mm and 100 mm/mm, and/or the power is between 200 W and 500 W, and/or the diameter of the laser beam on the surface of the substrate is between 3 mm and 6 mm, and/or the mass feed rate is between 30 mg/mm and 600 mg/mm. | 11-15-2012 |
| 20130043221 | Sintering Process and Apparatus - A two-step pulse lamp sintering process using a series of low energy light pulses to pre-treat the target before applying one or more higher energy pulses to sinter the metallic nanoparticles. The pulses can be provided so that nanoparticles are not sintered by the low energy pulse(s), but are sintered by the high energy pulse(s). | 02-21-2013 |
| 20130126483 | CONTROLLED WELD POOL VOLUME CONTROL OF WELDING PROCESSES - A new method of process control for fusion welding maintains a controlled weld pool size or volume, for example in some applications a substantially constant weld pool size or volume. The invention comprises a method of linking machine and process variables to the weld pool size or volume in real time, thereby enabling constant weld pool volume control. The invention further comprises a method of using thermal inverse models to rapidly process real-time data and enable models-based control of welding processes so as to implement constant weld pool volume control. | 05-23-2013 |
| 20130213942 | METHOD AND SYSTEM FOR LASER WELDING AND CLADDING WITH MULTIPLE CONSUMABLES - A system and method to provide a welding or cladding operation is provided which using multiple consumables in a single operation, where the overall heat input is reduced. Each of the consumables can be deposited into a single molten puddle, where the total energy input to the puddle from trailing consumables is less than that of a leading consumable. Further embodiments can use more than one molten puddle, but the energy input by the leading consumable is still higher than that of trailing consumables. | 08-22-2013 |
| 20140021171 | METHOD AND DEVICES FOR SOLID STRUCTURE FORMATION BY LOCALIZED MICROWAVES - Method and device for solid structure formation by localized microwaves for additive fabrication of solid bodies by use of localized microwave radiation applied to a source material, in the form of a powder, wire or other solid form, so as to generate a hotspot in a thermal-runaway process or through plasma breakdown, and melt a small portion of it (with at least one dimension smaller than the microwave wavelength) thereby consolidating small pieces of the molten source material in a stepwise manner to construct the entire body. | 01-23-2014 |
| 20140061167 | ELECTRON BEAM LAYER MANUFACTURING USING SCANNING ELECTRON MONITORED CLOSED LOOP CONTROL - A process (and apparatus for performing the process) for layer manufacturing a three-dimensional work piece comprising the steps of: feeding raw material in a solid state to a first predetermined location; exposing the raw material to an electron beam to liquefy the raw material; depositing the raw material onto a substrate as a molten pool deposit, the deposit having a forward edge region in an x-y plane with a forward edge region width and a trailing edge region in the x-y plane with a trailing edge region width, under at least one first processing condition; monitoring the molten pool deposit for at least one preselected condition using detecting of scatter from a scanning electron beam contemporaneously with the depositing step; solidifying the molten pool deposit; automatically altering the first processing condition to a different processing condition based upon information obtained from the comparing step; and repeating steps at one or more second locations for building up layer by layer, generally along a z-axis that is orthogonal to the x-y plane, a three-dimensional work piece. | 03-06-2014 |
| 20140103015 | INSTALLATION FOR FABRICATING A PART BY SELECTIVELY MELTING POWDER - An installation for fabricating a part by selectively melting powder, the installation including a mechanism producing a beam, for example a laser beam or an electron beam, and a mechanism moving a point of impact of the beam over a layer of powder. The installation further includes a collector element for collecting projections of molten powder produced during local melting of the powder by the beam, the collector element including an opening for passing the beam, and a mechanism configured to move the collector element jointly with the beam over the layer of powder. | 04-17-2014 |
| 20140124483 | Metal Deposition of Exterior Members in Oil Field Tubulars - Layered metal deposition by fusion thereof onto a surface of an engineered structural member, without degrading structural performance. The net shape of an exterior member is defined, including a fusion contact area. The structural member is preheated below its maximum operating temperature. An energy beam and feedstock are directed to a feed point in the fusion area, thereby forming a molten puddle fusing the materials together. The feed point is moved relative to the structural member, thereby advancing the molten puddle of presently fed feedstock and rapidly solidifying previously fed feedstock. The energy beam power is modulated to control the size of the molten puddle so as not to exceed a predetermined depth of penetration of the fusion region into the structural member. Advancing the feed point sequentially fuses feedstock into the defined net shape on the structural member. | 05-08-2014 |
| 20140166627 | APPARATUS FOR X-RAY GENERATION AND METHOD OF MAKING SAME - A system for applying a target track material to an x-ray tube target includes a controller configured to direct a beam of energy toward an x-ray tube target, and direct a solid stock material toward the beam of energy to cause the solid stock material to melt and deposit as a melted material on the x-ray tube target. | 06-19-2014 |
| 20140190942 | FORMING A LAYERED STRUCTURE - A method and apparatus for forming a layered structure. At least one raised area ( | 07-10-2014 |
| 20140263193 | CONSUMABLE AND METHOD AND SYSTEM TO UTILIZE CONSUMABLE IN A HOT-WIRE SYSTEM - A method and system to weld or overlay workpieces employing a high intensity energy source to create a puddle and at least one resistive filler wire which is heated to at or near its melting temperature and deposited into the weld puddle. The filler wire comprises a core and an electrically conductive outer matrix having particles to be deposited into the puddle. | 09-18-2014 |
| 20140263194 | CORED NON-ARC CONSUMABLE FOR JOINING OR OVERLAYING AND SYSTEMS AND METHODS FOR USING CORED NON-ARC CONSUMABLES - Embodiments of the invention relate to consumables that are used with non-arc deposition processes, including hot-wire deposition processes. Exemplary embodiments of the present invention eliminate the use of arc initiators or arc stabilizers in the consumable. Other embodiments add additional amounts of carbonates in the consumable than would otherwise be present in consumables for arc welding processes. Similarly, other exemplary embodiments of the present invention include additional amounts of nitrides than would otherwise be present in arc process consumables. Other exemplary embodiments include carbides that are desired to be deposited through the non-arc processes. | 09-18-2014 |
| 20150069025 | MACHINE COMPONENT CLADDING STRATEGY - Cladding and remanufacturing a machine component includes directing cleaning and welding beams split from an incident laser beam toward the machine component, and moving the machine component relative the cleaning and welding beams such that the welding beam trails behind the cleaning beam along a common travel path. A surface of the machine component is decontaminated by the cleaning beam, whilst a cladding material is melted via the welding beam such that upon solidifying the cladding material forms a coating metallurgically bonded to base material and previously deposited cladding material of the machine component. | 03-12-2015 |
| 20150298235 | WELDING METHOD AND STEAM GENERATOR CHANNEL HEAD - A welding method for making cladding or buttering on an inner surface of a base material, an inner surface of an opening portion formed in the base material, and the cut surface formed in such a manner that the cut surface is continuous from the inner surface of the base material to the inner surface of the opening portion, wherein the welding method includes a step of forming a protruding portion on the base material in advance, the protruding portion including a temporary welding surface extending toward the center of the opening portion in such a manner that the temporary welding surface is uniformly continuous to the inner surface of the base material and including the cut surface buried therein. | 10-22-2015 |
| 20150298258 | POWDER NOZZLE FOR A LASER POWDER WELDING DEVICE - A powder supply device ( | 10-22-2015 |
| 20150307968 | NEW PRODUCT AND USE THEREOF - A new pre-alloyed metal based powder, intended to be used in surface coating of metal parts. The powder is deposited using e.g. laser cladding or plasma transfer arc welding (PTA), or thermal spray (e.g. HVOF). The powder is useful for reducing friction and improving wear reducing properties of the deposited coating. Such coatings may also improve machinability. As friction or wear reducing component, inclusions of manganese sulphide or tungsten sulphide in the pre-alloyed powder may be used. | 10-29-2015 |
| 20150314389 | Machine and Method for Additive Manufacturing - To provide a three-dimensional additive manufacturing device and a three-dimensional additive manufacturing method in which a completed shaped object can be taken out without staining a shaping chamber. | 11-05-2015 |
| 20150352668 | ADDITIVE MANUFACTURING APPARATUS WITH A CHAMBER AND A REMOVABLY-MOUNTABLE OPTICAL MODULE; METHOD OF PREPARING A LASER PROCESSING APPARATUS WITH SUCH REMOVABLY-MOUNTABLE OPTICAL MODULE - An additive manufacturing apparatus comprises a processing chamber ( | 12-10-2015 |
| 20150367445 | DEPOSITION WELDING WITH PRIOR REMELTING - A substrate ( | 12-24-2015 |
| 20150375344 | AUTOMATED FABRICATION SYSTEM IMPLEMENTING 3-D VOID MODELING - A fabrication system is disclosed for use in joining two components of a work piece. The fabrication system may have a mount configured to hold the work piece with a void to be filled with material. The fabrication system may also have a scanner configured to capture at least one image of the void, a robotic fabrication device movable relative to the mount, and a controller in communication with the scanner and the robotic fabrication device. The controller may be configured to generate a model of the void based on the at least one image, and to slice the model into at least one layer. The controller may also be configured to develop a tool path for each of the at least one layer, and to cause the robotic fabrication device to deposit material within the void based on the tool path. | 12-31-2015 |
| 20160001390 | SYSTEM AND METHOD LOW HEAT WELD - A method for low heat welding includes providing short circuit pulse Metal Inert Gas (MIG) welding at less than a rate of about a twenty (20) inch a minute travel speed. | 01-07-2016 |
| 20160016263 | LASER METHOD WITH DIFFERENT LASER BEAM AREAS WITHIN A BEAM - The use of a laser beam, which has an external and an internal laser beam area with different intensities allows a higher temperature gradient to be produced along the z direction, is provided. | 01-21-2016 |
| 20160023306 | NOZZLE FOR LASER POWDER BUILD-UP WELDING - A nozzle for laser powder build-up welding, in particular, an annular powder channel for feeding powdery material into a processing region in front of the laser outlet opening, wherein the powder channel is designed in such a way that the angle included between the radially outer wall of the powder channel and the axis of the powder channel is constant or decreases in the direction of the material outlet opening at least in the region extending from the at least one material inlet opening to the material outlet opening is provided. | 01-28-2016 |
| 20160031043 | METHOD AND APPARATUS FOR FORMING A STRUCTURE ON A SUBSTRATE - The invention relates to a method for forming at least one structure on a substrate. By means of a low-temperature plasma jet, powder, of which the structure shall be constructed, is applied to a surface of the substrate. By means of at least one laser beam, heat is input into the substrate and/or the powder within a laser incidence region on the substrate. The heat input delays solidification of the powder particles, which are partly or fully melted in the plasma jet, on the substrate and thereby enables the formation of good adhesion between the applied powder, and thus the structure constructed thereof, and the substrate. The invention further relates to an apparatus for performing the method. | 02-04-2016 |
| 20160045989 | METHOD FOR BUILDING A GAS TURBINE ENGINE COMPONENT - A method, including: providing a layer of powder material ( | 02-18-2016 |
| 20160045990 | METHOD FOR BUILDING A GAS TURBINE ENGINE COMPONENT - A method, including: providing a layer of powder material ( | 02-18-2016 |
| 20160067825 | LASER CLADDING MECHANICAL FACE SEALS - A method of producing a mechanical face seal, the method including a step of obtaining a cast or wrought substrate part having an inner diameter, outer diameter, and a planar surface. The method may include an exposing step to expose the planar surface to a laser. The method may further include a supply step to supply a coating material to a location at or near the laser on the planar surface in order for the coating material to form a metallurgical bond with the substrate part. | 03-10-2016 |
| 20160096234 | LASER DEPOSITION AND REPAIR OF REACTIVE METALS - Laser processing of reactive metals. One repair process involves laser melting a titanium alloy filler material ( | 04-07-2016 |
| 20160101484 | POWDER CLADDING NOZZLE - To provide a powder cladding nozzle that can, even when the area of a portion to be machined of a workpiece is large, maintain the quality of a cladding layer that is formed on the portion to be machined of the workpiece and thus significantly increase the productivity of workpieces. The passage width X of a discharge passage that is formed between an inner nozzle member and an outer nozzle member becomes wider toward a discharge outlet. | 04-14-2016 |
| 20160114431 | SYSTEM AND METHODS FOR REAL-TIME ENHANCEMENT OF BUILD PARAMETERS OF A COMPONENT - A direct metal laser melting (DMLM) system includes a laser device configured to generate a melt pool in a powder bed based on a build parameter. In addition, the DMLM system includes a confocal optical system directed at the melt pool and configured to receive an optical signal emitted by the melt pool. The DMLM system further includes an optical sensor operatively coupled to the confocal optical system that is configured to receive the optical signal and to generate an electrical signal in response to the optical signal. A computing device is configured to receive the electrical signal from the optical sensor and to generate a control signal in response. The control signal is configured to modify the build parameter of the direct metal laser melting system in real-time to adjust at least one of a melt pool size and a melt pool temperature to achieve a desired physical property of the component. | 04-28-2016 |
| 20160121428 | LASER CLADDING APPARATUS AND OPERATING METHOD - A laser cladding apparatus includes: a powder supplying device to supply metal powder to a portion to be processed; a laser irradiation device to irradiate the portion to be processed with laser so as to melt the metal powder for cladding; and control means. The powder supplying device includes a differential pressure gauge, and the control means stores, as an initial value, a gas pressure value measured by the differential pressure gauge when metal powder supplied by the gas pressure reaches the portion to be cladding-processed. In operation after storing the initial value, the control means sets, as a reference time, timing when the differential pressure gauge measures a same pressure as the initial value, and outputs a start signal for laser irradiation to the laser irradiation device based on the reference time. | 05-05-2016 |
| 20160136759 | Apparatuses and Methods for Additive Manufacturing - An additive manufacturing apparatus is disclosed. The additive manufacturing apparatus comprises a linear rail having a length. The linear rail is one of rotatable or revolvable in a horizontal plane about a vertical axis. The additive manufacturing apparatus further comprises an electromagnetic energy source movably coupled to the linear rail and movable in a polar coordinate system having a radius R. | 05-19-2016 |
| 20160144455 | LASER CLADDING APPARATUS - A laser cladding apparatus is capable of easily collecting metal powder and improving operational efficiency. The laser cladding apparatus dads valve seats of exhaust ports formed in a cylinder head by irradiating the valve seats with a laser beam while supplying metal powder to the valve seats. The laser cladding apparatus includes: a duct connected to the exhaust ports; and a dust collector that sucks a surplus of the metal powder generated at the valve seats. The duct has a vertical part formed in a straight tube and arranged so that the axis thereof is substantially vertical, and a branched part branched from the vertical part and arranged so that the branched direction is upward relative to the horizontal direction. The dust collector is connected to the tip of the branched part. | 05-26-2016 |
| 20160167171 | PROTECTION COVER FOR A SPRAY NOZZLE DURING A HARDFACING PROCESS | 06-16-2016 |
| 20160250717 | METHOD FOR LASER MELTING WITH AT LEAST ONE WORKING LASER BEAM | 09-01-2016 |
| 20180021878 | METHOD OF MANUFACTURING METAL ARTICLES | 01-25-2018 |
| 20190143443 | MOBILE LARGE SCALE ADDITIVE MANUFACTURING USING FOIL-BASED BUILD MATERIALS | 05-16-2019 |
| 20190143444 | FIXED BED LARGE SCALE ADDITIVE MANUFACTURING USING FOIL-BASED BUILD MATERIALS | 05-16-2019 |
| 20190143449 | METAL DROPLET JETTING SYSTEM | 05-16-2019 |
| 20190143451 | PROCESS MONITORING FOR MOBILE LARGE SCALE ADDITIVE MANUFACTURING USING FOIL-BASED BUILD MATERIALS | 05-16-2019 |
| 20190143452 | FOIL PART VECTORIZATION FOR MOBILE LARGE SCALE ADDITIVE MANUFACTURING USING FOIL-BASED BUILD MATERIALS | 05-16-2019 |
| 20190143453 | THREE-DIMENSIONAL (3D) PRINTING | 05-16-2019 |
| 20220134467 | MONITORING OPERATION OF ELECTRON BEAM ADDITIVE MANUFACTURING WITH PIEZOELECTRIC CRYSTALS - Devices, systems, methods, and kits of parts for monitoring operation of an electron beam additive manufacturing systems are disclosed. A monitoring system includes one or more measuring devices positioned on the at least one wall in the interior of a build chamber of the additive manufacturing system. Each one of the one or more measuring devices includes a piezoelectric crystal. The monitoring system further includes an analysis component communicatively coupled to the one or more measuring devices. The analysis component is programmed to receive information pertaining to a frequency of oscillation of the piezoelectric crystal. A collection of material on the one or more measuring devices during formation of an article within the build chamber causes a change to the frequency of oscillation of the piezoelectric crystal that is detectable by the analysis component and usable to determine a potential build anomaly of the article. | 05-05-2022 |
