| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 219760140 | By electric arc | 55 |
| 20080257868 | METHOD AND SYSTEM OF WELDING A BEARING - A method of welding a bearing is provided. The method includes providing an apparatus including at least one welding torch and a processor, positioning a holding fixture proximate the apparatus, securing a bearing in position in the holding fixture, applying a bead of weld to facilitate repairing a damaged surface of the bearing and incrementally rotating the bearing with the apparatus. | 10-23-2008 |
| 20090107961 | AUTOMATED WELDING OF MOULDS AND STAMPING TOOLS - A tool welding system is disclosed that includes a table that heats a tool. A multi-axis robot includes a welding head that is moved relative to the table in response to a command. A controller is in communication with the robot and generates the command in response to welding parameters. The weld parameters are based upon a difference between an initial tool shape and a desired tool shape. The difference between the initial tool shape and the desired tool shape corresponds to a desired weld shape. The desired weld shape is adjusted based upon initial tool shape variations, which includes thermal growth of the tool. The tool is welded to provide the desired weld shape to achieve a desired tool shape. | 04-30-2009 |
| 20090255907 | WELD-ON-WELD DEVICE - An apparatus for forming a metal body of a predetermined shape by the deposition of a weld material. The apparatus comprises a support base on which the body can be formed, a means for rotating the base about an axis, a welding torch for depositing weld material to form the body, the body, as it is formed, being supported on the base as it rotates. The welding torch is operable for linear movement, relative to the base, in at least two perpendicular directions in a plane. One of those directions is parallel to the axis of rotation of the base. There is also provided a template support located remotely from the welding torch. Guiding means for guiding the linear movement of the welding torch relative to the base are also provided, the guiding means comprising means for mechanically following a shape of a template when secured on the template support. In operation as the base rotates, weld material is deposited to form a three-dimensional body having a profile similar in shape to that of the template. | 10-15-2009 |
| 20090308848 | SOFT ALLOY LAYER FORMING APPARATUS AND SOFT ALLOY LAYER FORMING METHOD - A soft alloy layer forming apparatus ( | 12-17-2009 |
| 20100084379 | METHODS AND MATERIALS FOR HARD-FACING - In a hard facing process, a core material is applied to the base material of an article, which may incorporate metal components. An additive is introduced into a molten puddle generated by the hard facing process. The additive functions to increase the wear resistant capabilities of the hard faced article. In one embodiment, the additive comprises mineral particulates, which may consist of diamond granules. | 04-08-2010 |
| 20100320175 | INNER BURNER FOR ELECTRIC ARC WIRE SPRAYING - The invention relates to an inner burner ( | 12-23-2010 |
| 20100326962 | WELDING CONTROL SYSTEM - In one embodiment, a system includes a welding controller configured to receive images from multiple observation points directed toward a deposition zone. The welding controller is also configured to control a parameter affecting deposition based on a differential analysis of the images. | 12-30-2010 |
| 20100326963 | WELDING DEVICE AND METHOD - A welding device includes an electrode head adapted to concurrently house an array of associated multiple, continuous-feed electrodes in a spaced apart configuration for concurrently depositing cladding material on the surface of a workpiece. The electrode head may be actuatable through a welding trajectory. The welding device may also include a welding power source adapted to provide power for simultaneously establishing a welding arc between each of the multiple, continuous-feed electrodes and the workpiece. | 12-30-2010 |
| 20110031222 | FEEDSTOCK POWDER FOR PRODUCTION OF HIGH HARDNESS OVERLAYS - A method of applying a metallic alloy overlay including providing an iron based feedstock powder including 10 to 75 weight percent iron and manganese, 10 to 60 weight percent of chromium, 1 to 30 weight percent of an interstitial element selected from boron, carbon, silicon or combinations thereof, 0 to 40 weight percent of a transition metal selected from molybdenum, tungsten or combinations thereof and 1 to 25 weight percent niobium. The method also includes providing an electrode including at least 50 weight percent iron and depositing a weld overlay with the feedstock powder and the electrode to create a metallic alloy exhibiting a grain size in the range of 1,000 μm or less. | 02-10-2011 |
| 20110132880 | Apparatus for Coating a Pipe Surface - A wear resistant coating is applied on an elbow or S-bend by weld beads applied along a pipe. A rectangular support rod is attached inside the pipe by connectors so that wheels of the carriage are guided on the corners to maintain a fixed orientation relative to the support rod. A three axis robot arm carries an electric welding head so as to be able to dynamically adjust the head both angularly and radially. A welding wire is pulled to the head by a feeding system on the carriage. The weld parameters including a predetermined wire stick out and angle of wire attack are controlled. A drive motor carried by a drive carriage propels the drive carriage longitudinally along the support rod with a series of intermediate carriages. | 06-09-2011 |
| 20110259854 | CLAD WELDING METHOD - A clad welding method, which can prevent the occurrence of incomplete fusion, and can cover the surface of a base material over a wide range with a weld metal, while suppressing the dilution of the weld metal, by use of a relatively simple technique, is provided. For this purpose, a welding heat input is increased at a location where one end ( | 10-27-2011 |
| 20120305532 | System and Method for High-Speed Robotic Cladding of Metals - A metal cladding process using an automated welding tool, the tool comprising at least one torch for receiving two weld wires to produce a molten pool on the metal, the process having the steps of providing a set of instructions in a non-transitory computer readable medium, the instructions executable by a processor to control the travel speed of the at least one torch; and control the oscillation pattern and frequency of the at least one torch, the oscillation pattern comprising a pause at each of a center position, a lateral left position and a lateral right position relative to a weld reference line. | 12-06-2012 |
| 20120325779 | Alloy Depositing Machine And Method Of Depositing An Alloy Onto A Workpiece - A hardfacing machine is used for depositing a hardfacing alloy onto a metallic workpiece. An welding unit includes a wire feed system to supply wire to a welding head. A powder alloy feeding system includes a powder feed nozzle fluidly connected to an alloy powder supply. The welding head and powder feed nozzle move in a travel direction relative to the workpiece. The powder feed nozzle is positioned and oriented to feed a powder stream of alloy powder into a molten pool generated on the workpiece by an electrical arc produced by the welding head at a low temperature location behind the welding head relative to the travel direction. This alloy surfacing strategy limits vaporization of alloy elements by avoiding the high temperature region associated with the electrical arc. | 12-27-2012 |
| 20120325780 | THIN PLATE-REINFORCEMENT STRUCTURE UTILIZING REINFORCING EFFECT OF WELD BEAD AND METHOD OF PRODUCING THE SAME - A vibration mode control method for a thin plate-reinforcement structure utilizes a reinforcing effect of a weld bead, wherein the thin plate-reinforcement structure comprises two welded components at least one of which includes a thin plate portion. After a first (thin plate) component and a second (another) component are arc-welded discontinuously at several positions, a stress direction and level in one of the resulting weld areas located to be subject to stress concentration is preliminarily verified. Then, a stress-dispersing weld bead (f) is laid to extend between the weld area which is an area subject to stress concentration and the first (thin plate) component, wherein the stress-dispersing weld bead (f) is set to a direction and length capable of preventing fatigue crack from occurring in the first (thin plate) component. | 12-27-2012 |
| 20130037524 | ELECTRODE APPLIED TO DISCHARGE SURFACE TREATMENT AND PRODUCTION METHOD THEREOF - An electrode applicable to discharge surface treatment is produced. This method is comprised of: kneading a composition including an electrically conductive mixed matter including a first powder obtained by at least any process selected from the group consisting of an atomizing method, a reduction method, and a carbonyl method and a second powder obtained by a crushing method, and a binder, the electrically conductive mixed matter including the second powder at a ratio of 10-65 weight %; injecting the kneaded composition into a mold to produce a green body; heating the green body so as to remove the binder from the green body; and sintering the green body excepting the binder. | 02-14-2013 |
| 20130056446 | METAL MATRIX CERAMIC WIRE MANUFACTURING TECHNOLOGY AND USAGE - Thermal spray wire and method of forming thermal spray wire. The thermal spray wire includes an inner layer, a powder material layer surrounding the inner layer, and an outer layer coaxially surrounding and compressing the powder material layer around the inner layer. | 03-07-2013 |
| 20130082032 | NOSE OF SINGLE-AIR-HOLE ELECTRICAL ARC SPRAY MACHINE - A nose of single-air-hole electrical arc spray machine includes a nozzle body that forms an air flow hole and two guide tube holes arranged at opposite sides of the air flow hole and forming a predetermined angle with respect thereto, a nozzle ring positioned against and fixed to the nozzle body, an electrical discharging chamber internal lid positioned against the nozzle ring, an electrical discharging chamber external cover enclosing the electrical discharging chamber internal lid, an external mounting ring mounting the electrical discharging chamber internal lid and the electrical discharging chamber external cover to the nozzle body, and wire guide tubes. Each of the wire guide tubes includes an insulation section, a conductor section, and a wire emergence terminal sequentially connected to each other. The nose is durable and is easy to maintain with a reduced maintenance cost and improves void ratio of a sprayed layer of coating formed thereby. | 04-04-2013 |
| 20130105447 | PUDDLE FORMING AND SHAPING WITH PRIMARY AND SECONDARY LASERS | 05-02-2013 |
| 20130180960 | PULSED LASER DEPOSITION APPARATUS AND DEPOSITION METHOD USING SAME - Disclosed is a pulsed laser deposition apparatus, including: a laser beam generating unit which generates a laser beam; a deposition object; a vacuum chamber, in which a plurality of types of deposition target materials to be deposited on the deposition object is arranged; a beam splitter which splits the laser beam generated by the laser beam generating unit into a plurality of laser beams corresponding to the deposition target materials; and lens units which are arranged to correspond to the respective deposition target materials, and which focus the laser beams, which are applied by being split by the beam splitter, onto the respective deposition target materials. | 07-18-2013 |
| 20140001161 | METHOD OF HARDFACING A PART | 01-02-2014 |
| 20140014629 | ELECTRON BEAM LAYER MANUFACTURING - A process and apparatus for free form fabrication of a three-dimensional work piece comprising (a) feeding raw material in a solid state to a first predetermined location; (b) depositing the raw material onto a substrate as a molten pool deposit under a first processing condition; (c) monitoring the molten pool deposit for a preselected condition; (d) comparing information about the preselected condition of the monitored molten pool deposit with a predetermined desired value for the preselected condition of the monitored molten pool deposit; (e) solidifying the molten pool deposit; (f) automatically altering the first processing condition to a different processing condition based upon information obtained from the comparing step (d); and repeating steps (a) through (f) at one or more second locations for building up layer by layer a three-dimensional work piece. The apparatus is characterized by a detector that monitors a preselected condition of the deposited material and a closed loop electronic control device for controlling operation of one or more components of the apparatus in response to a detected condition by the detector. | 01-16-2014 |
| 20140034615 | METHOD AND SYSTEM OF EDGING CLADDING OPERATION - A system and method for edging a deposit layer in any of cladding, building up, and hard-facing applications is provided. The system includes a high intensity heat source that heats a workpiece and creates a molten puddle. The system also includes a wire feeder that feeds a wire to the molten puddle. The wire melts in the molten puddle and creates a bond with the molten puddle to form the deposit layer on the workpiece. The system further includes an edging system that has at least one laser that emits a laser beam that impinges on at least one of a surface area and an edge area of the deposit layer to modify the deposit layer. The laser modifies the deposit layer by at least one of melting and vaporizing at least a portion of the surface area and/or the edge area. | 02-06-2014 |
| 20140069893 | AUTOMATED SUPERALLOY LASER CLADDING WITH 3D IMAGING WELD PATH CONTROL - Superalloy components, such as service-degraded turbine blades and vanes, are clad by laser beam welding. The welding/cladding path, including cladding application profile, is determined by prior, preferably real time, non-contact 3D dimensional scanning of the component and comparison of the acquired dimensional scan data with specification dimensional data for the component. A welding path for cladding the scanned component to conform its dimensions to the specification dimensional data is determined. The laser welding apparatus, preferably in cooperation with a cladding filler material distribution apparatus, executes the welding path to apply the desired cladding profile. In some embodiments a post-weld non-contact 3D dimensional scan of the welded component is performed and the post-weld scan dimensional data are compared with the specification dimensional data. Preferably the welding path and/or cladding profile application are modified in a feedback loop with the pre- and/or post-welding 3D dimensional scanning. | 03-13-2014 |
| 20140116994 | METHOD AND SYSTEM TO START AND USE A COMBINATION FILLER WIRE FEED AND HIGH INTENSITY ENERGY SOURCE - A method and system to start and use a combination wire feed and energy source system for any of brazing, cladding, building up, filling, and hard-facing overlaying applications. High intensity energy is applied onto a workpiece to heat the workpiece. One or more resistive filler wires are fed toward the workpiece at or just in front of the applied high intensity energy. Sensing of when a distal end of the one or more resistive filler wires makes contact with the workpiece at or near the applied high intensity energy is accomplished. Electric heating current to the one or more resistive filler wires is controlled based on whether or not the distal end of the one or more resistive filler wires is in contact with the workpiece. The applied high intensity energy and the one or more resistive filler wires are moved in a same direction along the workpiece in a fixed relation to each other. | 05-01-2014 |
| 20140124484 | WELD POOL BACKING AT THE EDGE REGION - The application of a peripheral weld before the removal of material produces an enlarged face for the subsequent build-up welding. A process for build-up welding on an outer face having an edge region of a component which is adjoined by a side face is provided. Material is removed to create the outer face but before the material is removed a peripheral weld is effected on the side | 05-08-2014 |
| 20140131323 | HEAD ASSEMBLY FOR MULTI-WIRE SUBMERGED ARC WELDING (SAW) - The invention described herein generally pertains to a welding device that deposits a material onto a workpiece, the welding device having with an electrode head and a contact assembly coupled thereto. The contact assembly can include a rectangular-shaped first contact bar and a rectangular-shaped second contact bar that can be affixed to one another with an assembly connective means in order to encase a plurality of electrodes therebetween. The second contact bar can include a set of grooves in which each groove can correspond to an electrode to provide guidance during a welding procedure. | 05-15-2014 |
| 20140263195 | VARIABLE WORKING DISTANCE FOR LASER DEPOSITION - A method of applying a laser metal formed build layer on a surface of an article is disclosed. A laser deposition head including a light source and a nozzle is positioned relative to the surface of the article by a distance that is about normal to the surface. The surface of the article is melted locally using the laser light source to form a melt pool. Powdered metal is injected into the melt pool using the nozzle. The melt pool is solidified to form the build layer having a desired microstructure on the surface of the article. | 09-18-2014 |
| 20140263196 | LASER DEPOSITION USING A PROTRUSION TECHNIQUE - A method of applying a laser metal formed build layer on a surface of an article. The surface of the article is melted locally using a light source to form a melt pool. Powdered metal is injected into the melt pool. The melt pool is solidified to form the build layer having a desired microstructure and geometry on the surface of the article. | 09-18-2014 |
| 20140312006 | WIRE ARC SPRAY SYSTEM USING COMPOSITE WIRE FOR POROUS COATING, AND RELATED METHOD - A composite wire for use with a wire arc spray system and related methods. The composite wire can include: a low melting point material at a core region thereof and a cladding including a metal surrounding the core region, the low metal point material having a melting point less than that of the metal, wherein the low melting point material includes a polymer in the form of a powder having particles having a size of from approximately 1 nanometer to approximately 100 nanometers. | 10-23-2014 |
| 20140339203 | METHODS AND SYSTEMS FOR MULTI-WIRE SURFACING - The invention described herein generally pertains to a welding device that deposits a material onto a workpiece, the welding device having with an electrode head and a contact assembly coupled thereto. The contact assembly can house electrodes that allow deposition of material on a workpiece. At least a first set of electrodes and a second set of electrodes can be driven at different speeds. Moreover, welding arcs for one or more electrodes can be established based upon a predetermined order in which the predetermined order can be based on at least one of a location of the electrode head on the workpiece, a start of a welding process, and/or a stopping of a welding process. | 11-20-2014 |
| 20150034606 | METHOD OF MANUFACTURING A COMPONENT - An additive layer manufacture machine generates a first electron beam for scanning a powder layer to be melted in a selective melting process. Backscatter electrons from the interaction between the first electron beam and the powder layer is detected by a backscatter detector. Any defects in the powder layer can then be identified, or inferred, from the detected backscatter electrons. If necessary, any defects can be removed from the powder layer before selective melting. Once the powder layer has been inspected and if necessary improved, selective melting of the layer is performed in order to produce a layer of the component. The process may be repeated to generate a finished component with good mechanical properties. | 02-05-2015 |
| 20150041442 | METHOD OF FORMING A COATING OR OF THREE-DIMENSIONAL STRUCTURAL ELEMENTS ON SUBSTRATE SURFACES, WHICH IS/ARE FORMED BY TiAL, BY LASER BUILD-UP WELDING - The invention relates to a method of forming a coating or of three-dimensional structural elements on substrate surfaces which is/are formed by TiAl, Said coating/Said three-dimensional structural elements is/are manufactured by laser build-up welding. The procedure is followed in the method in accordance with the invention that titanium and aluminum are supplied into the region of influence of at least one laser beam in wire and/or band form in a pure or alloyed form in each case as a single wire or a single band. They are melted by the thermal input and in this respect the materials are mixed with one another. The coating or three-dimensional structural elements are thereby formed with TiAl on the substrate surface. | 02-12-2015 |
| 20150048058 | METHOD FOR AUTOMATED SUPERALLOY LASER CLADDING WITH 3D IMAGING WELD PATH CONTROL - Superalloy components, such as service-degraded turbine blades and vanes, are clad by laser beam welding. The welding/cladding path, including cladding application profile, is determined by prior, preferably real time, non-contact 3D dimensional scanning of the component and comparison of the acquired dimensional scan data with specification dimensional data for the component. A welding path for cladding the scanned component to conform its dimensions to the specification dimensional data is determined The laser welding apparatus, preferably in cooperation with a cladding filler material distribution apparatus, executes the welding path to apply the desired cladding profile. In some embodiments a post-weld non-contact 3D dimensional scan of the welded component is performed and the post-weld scan dimensional data are compared with the specification dimensional data. Preferably the welding path and/or cladding profile application are modified in a feedback loop with the pre- and/or post-welding 3D dimensional scanning. | 02-19-2015 |
| 20150048059 | Laser Welding Apparatus, Preventive Maintenance Method for Reactor Internal of Nuclear Power Plant, and Laser Cutting Apparatus - The laser welding apparatus includes a welding head and a welding head scanning apparatus. A collimate lens installed on a head body of the welding head is arranged opposite to an end face of optical fibers. The welding head includes only the collimate lens as a lens and the length is shortened. A laser generated by a laser oscillator is introduced into the optical fiber, enters the collimate lens, and then is converted to a parallel beam by the collimate lens. The laser of a parallel beam is irradiated on a surface a welding portion of the welding object through a laser path and the surface of the welding portion is melted. Metallic powder is jetted from powder feed paths formed in a head body to the melted portion and build-up welding is performed on the surface of the welding portion. | 02-19-2015 |
| 20150083692 | LASER CLADDING SYSTEM FILLER MATERIAL DISTRIBUTION APPARATUS - Laser cladding filler material is introduced in a pattern on a on a substrate by a filler distribution apparatus having a linear or polygonal array of dispensing apertures for uniform distribution in advance of or during a laser beam transferring optical energy to the substrate. The distribution apparatus includes a housing (or assembly of coupled housings) that defines the distribution aperture array and an internal chamber in communication with the apertures that is adapted for retention of filler material. A mechanical feed mechanism, such as an auger, is adapted for feeding filler material from the internal chamber through the distribution apertures. A feed mechanism drive system is coupled to the mechanical feed mechanism, adapted for selectively varying filler material feed rate. The distribution aperture array may be selectively reconfigured to vary selectively the filler material distribution pattern. | 03-26-2015 |
| 20150102017 | DEVICE FOR SURFACING A METAL ALLOY PART - A device for surfacing a metal alloy part by laser welding, the part including a recess to be surfaced and located at an overall planar area of the part, the device including a first protective element and a second protective element arranged on either side of the recess, the first protective element and the second protective element each having an irradiation surface which is to be at least partially covered with a layer of powder to enable welding by passing a laser beam over the layer of powder, the laser beam passing over the irradiation surface of the first protective element during welding and then the irradiation surface of the second protective element, the second protective element having a shape capable of containing a layer of powder having a height that is greater at the end, in the direction of propagation of the laser beam during welding, of the second protective element than at the start of the second protective element. | 04-16-2015 |
| 20150108097 | LASER WELDING OF NICKEL-BASED SUPERALLOYS - In order to obtain crack-free, homogeneous welds in nickel-based superalloys, laser parameters in respect of the power, the beam diameter, the mass feed rate, and the speed of advancement, are specifically selected. | 04-23-2015 |
| 20150108098 | SINGLE CRYSTAL WELDING OF DIRECTIONALLY SOLIDIFIED MATERIALS - By way of the targeted selection of method parameters in laser welding, namely feed rate, laser power beam diameter and powder mass flow, the temperature gradient can be set in a targeted manner, which temperature gradient is decisive for the single crystal growth during laser build-up welding. | 04-23-2015 |
| 20150114938 | METHOD FOR HARD-SURFACING METAL PARTS FOR AIRCRAFT TURBOFANS, AND LOCAL PROTECTION TOOL FOR IMPLEMENTING THE METHOD - A method for hard-surfacing metal parts for an aircraft turbofan, the method involving the use of a nozzle outputting a laser beam or an electron beam, which is to heat a sprayed powder for hard-surfacing the metal part, the method including positioning the metal part to be hard-surfaced in an enclosure, the top portion of which has an opening; positioning a mobile cover covering the opening of the top portion, the mobile cover having an opening; positioning the nozzle at the opening of the mobile cover; feeding an inert gas into the enclosure; spraying metal powders and emitting the laser or electron beam for hard-surfacing the metal part; moving the nozzle relative to the enclosure along a path for hard-surfacing the metal part, the movement of the nozzle causing the movement of the mobile cover on the top surface of the enclosure. | 04-30-2015 |
| 20150314403 | ARRANGEMENT FOR LASER PROCESSING OF TURBINE COMPONENT - An arrangement ( | 11-05-2015 |
| 20160016255 | LASER CORRECTION OF METAL DEFORMATION - Apparatus ( | 01-21-2016 |
| 20160059352 | System and Method for Determining Beam Power Level Along an Additive Deposition Path - A power schedule calculation method utilizes an idealized geometry to predict laser power levels on an additive path during laser deposition. The method calculates beam power for any point along the path traveled to form a build having a geometry. Each point along the path has associated with it an idealized geometry comprising a melt pool, hot zone and bulk portion. The method comprises creating a geometric description representing the geometry of the build during the process, creating a path description representing the path of the beam source through space during the process, calculating the idealized geometry for the point on the path based upon the geometric description and path description, calculating an energy balance at the melt pool for the point on the path, calculating total energy needed at the point on the path and calculating optimum beam source power. In the calculations, build temperature is based upon a calculation of hot zone temperature derived from the idealized geometry. | 03-03-2016 |
| 20160167150 | METHOD FOR COATING, WITH METALLIC MATERIAL, BODIES MADE OF SPHEROIDAL CAST IRON, AND PLANS FOR MOULDS OF MACHINES FOR ALUMINIUM DIE CASTING MADE WITH SAID METHOD | 06-16-2016 |
| 20160167154 | HEAD ASSEMBLY FOR MULTI-WIRE SUBMERGED ARC WELDING (SAW) | 06-16-2016 |
| 20170232543 | Fabrication and monitoring device for micro probe ball tip | 08-17-2017 |
| 219760160 | Plasma | 10 |
| 20080230522 | Burner - The invention relates to a burner design and can be used for thermal treatment of a surface of materials. The burner comprises a tubular electrode, a nozzle, a removable rod-shaped electrode which are arranged to form a discharge chamber, a means for vapour generation in the form of a reservoir provided with a flange and filled with a liquid-absorbing material, a means for electric arc vortex stabilization, a means for cooling the nozzle and the electrode, and current leads. The reservoir flange is made in the form of a connection fitting and is provided with a partition having a central opening in which the tubular electrode is positioned to enable the formation of a heating element that consists of an evaporator and a vapour superheater, both being separated by the partition, the evaporator is provided with grooves for discharging vapour into a collector out of an annular recess on a surface of the vapour superheater arranged outside the reservoir, and also with a capillary-porous shell made of a material of high thermal conductivity and arranged to allow its one side to contact with the evaporator surface and its other side to contact with the liquid-absorbing material of low thermal conductivity. The invention provides a simplification of the burner design and an improvement in performance by recovering large heat flows having an high heat supply density with a low thermal resistance. | 09-25-2008 |
| 20090026175 | ION FUSION FORMATION PROCESS FOR LARGE SCALE THREE-DIMENSIONAL FABRICATION - An ion fusion formation (IFF) system and method is used to fabricate a large scale three-dimensional structure in a continuous manner from successive layers of feedstock material. The system includes a moveable positioning arm coupled to a control platform. The positioning arm includes a deposition head, including a high energy beam and a feedstock feed mechanism mounted thereto. The deposition head is positioned relative to a targeted region by positioning and repositioning the moveable positioning arm, thereby providing a means for fabricating a large scale three-dimensional structure in a continuous manner. A plurality of control components coupled to the control platform are programmable to control the positioning arm whereby a plurality of customizable control parameters are input into the control components and provide positioning and repositioning of the positioning arm to align the deposition head relative to the predetermined targeted region. | 01-29-2009 |
| 20120018407 | PLASMA TRANSFER WIRE ARC THERMAL SPRAY SYSTEM - In one or more embodiments, the invention relates to a plasma transfer wire arc thermal spray system, comprising a section for feeding a wire acting as a first electrode, a source of plasma gas providing plasma gas, a nozzle directing the plasma gas stream from the source of plasma gas to a free end of the wire, and a second electrode located in the plasma gas stream towards the nozzle. In certain instances, the nozzle is made at least partially of electrically insulating material. The thermal spray apparatus with the inventive spray gun may have a simplified and faster starting procedure and the spray nozzle can be more durable. | 01-26-2012 |
| 20120024824 | CLADDING THE INTERIOR OF A STRAIGHT PIPE SECTION - The interior of a straight pipe is clad using a plurality of welding heads. The pipe is carried on support rollers including drive components for rotating the pipe about its axis while holding it fixed against axial movement. There are four welding heads with two carried on a cantilevered support arm of a respective one of a first and a second carriage mounted outside the pipe at opposite ends of the pipe and each movable in a direction longitudinally of the axis of the pipe. The heads are located on the arm at a common angular position at bottom dead center to weld vertically downwardly. The pipe support includes a pair of drive rollers arranged with their axes parallel to the axis of the pipe and adjustable in spacing to change the height of the pipe on the rollers relative to the welding heads. | 02-02-2012 |
| 20120217226 | METHOD AND DEVICE FOR PRODUCING A COMPONENT OF A TURBOMACHINE - The invention relates to a method for producing a component ( | 08-30-2012 |
| 20130098879 | Method and Apparatus for Microplasma Spray Coating a Portion of a Turbine Vane in a Gas Turbine Engine - A method and apparatus for microplasma spray coating a portion of a turbine vane without masking any portions thereof. The apparatus includes a microplasma gun with an anode, cathode, and an arc generator for generating an electric arc between the anode and cathode. An arc gas emitter injects gas through the electric arc. The electric arc is operable for ionizing the gas to create a plasma gas stream. A powder injector injects powdered material into a plasma stream. A localized area of the turbine vane is coated with the powdered material without having to mask the turbine vane. | 04-25-2013 |
| 20130334176 | PLASMA SPRAY NOZZLE WITH INTERNAL INJECTION - A plasma spray nozzle is provided. Owing to their high degree of wear, previous plasma spray nozzles were not suitable for the coating of components for which long coating times were necessary. The coating times may be reduced considerably by the triple injection of powder into the inner channel through the plasma spray nozzle. | 12-19-2013 |
| 20140144888 | AXIAL FEED PLASMA SPRAYING DEVICE - A spray coating apparatus includes a cathode and an anode nozzle to form a pair. A front end of the anode nozzle is provided with three or more plasma jet jetting holes, and a spray material jetting hole is disposed at the center of an area surrounded by the plasma jet jetting holes. The spray material jetted through the jetting hole is fed into the center axis of a complex plasma arc or a complex plasma jet. The spray material jetted through the spray material jetting hole is melted at high thermal efficiency, to thereby enhance yield of coating film. Reflection of the spray material by the outer periphery of plasma flame, penetration of the spray material through plasma flame, and scattering of the spray material caused by reflection or penetration, due to the differences in particle diameter, mass, etc. of the spray material is prevented. | 05-29-2014 |
| 20150060413 | WIRE ALLOY FOR PLASMA TRANSFERRED WIRE ARC COATING PROCESSES - A method of depositing a corrosion resistant material via a plasma transferred wire arc (PTWA) thermal spray method on the cylinder surface of heavy duty diesel internal combustion engines. The PTWA process uses a stainless steel hollow core wire that is filled with a metal oxide or carbide powder. The powder can be 100% chromium carbide. | 03-05-2015 |
| 20160001309 | DEVICE FOR THERMALLY COATING A SURFACE - An apparatus for thermally coating a surface, including at least one housing, a cathode, a primary gas distributor, a secondary gas distributor, electrically and thermally effective insulation elements and an anode which is designed as a consumable wire and is guided into a nozzle by a wire guide, the nozzle being mounted in a centered manner and having openings on one of its sides which are radially arranged in one plane. | 01-07-2016 |
