Abstract: A workpiece processing method includes a carry-in step of carrying a workpiece into the field of view of a magnifier, a work step of performing predetermined work on the workpiece based on an image provided via the magnifier, and a carry-out step of carrying the workpiece out of the field of view of the magnifier. A robot performs at least one of the carry-in step and the carry-out step as well as the work step.

Abstract: A method for reconditioning a railcar coupler is disclosed, including determining, using a gauge, an amount of wear to a coupler pulling lug; cleaning a surface of the coupler pulling lug experiencing the wear; and applying a weldment to the surface of the coupler pulling lug experiencing the wear to increase the thickness of the coupler pulling lug. The amount of weldment applied to the coupler pulling lug is preferably equal to the amount of wear experiencing by the coupler pulling lug to bring the thickness of the coupler pulling lug back to its original thickness or very close thereto.

Abstract: A method and system for determining properties of a pipe string using multi-channel induction measurements. The method may comprise disposing a multi-channel induction tool in a cased hole, obtaining a multi-channel measurement, forming a log from the multi-channel measurement, extracting at least one abnormality that corresponds to known metal thickness, performing a search to find a set of pipe material properties that minimize a mismatch between the abnormality and a simulated response, and inverting the log to estimate the set of pipe material properties at one or more depth points using the set of pipe material properties. The system may comprise a multi-channel induction tool. The multi-channel induction tool may comprise at least one transmitter, at least one receiver, and an information handling system.

Abstract: A method for inspecting a rotor blade unit of a gas turbine, the rotor blade unit including a radially outwardly disposed outer shroud connected by a material-to-material bond to a radially inwardly adjoining rotor blade. The method includes: providing a rotor blade unit; processing the outer shroud at its axially forward or axially aft side, the side selected to be processed being the one that has a greater distance from the adjacent axial leading edge or axial trailing edge of the rotor blade, a contact surface being formed by processing the selected side; providing the rotor blade unit having the contact surface in a measuring device, in particular a measuring device for determining the torsion or twist of the rotor blade unit about an axis.

Abstract: Methods for servicing shock struts are provided. In various embodiments, a method for servicing a shock strut may comprise deflating the shock strut; compressing the shock strut until the shock strut is in a fully compressed position; and charging the shock strut with a liquid until a pressure of the liquid decreases a volume of a residual air located inside of the shock strut. In various embodiments, charging the shock strut with liquid under pressure may reduce the volume of trapped air inside of the shock strut to a negligible volume, eliminating the servicing variations.

Abstract: A part formed using an metal additive manufacturing process such as a turbine airfoil with an oversized feature such as an oversized hole, where the oversized hole is filled with a preform having a shape of a normal sized hole and secured within the part using a braze or weld material, and where the preform is removed to leave within the part the normal sized hole. The preform is made of a refractory material that can be removed from the part by exposure to oxygen.

Abstract: A turbomachine rotor blade, said blade having, at the distal end thereof, a heel comprising: a platform (2) having a first edge (201) on the lower side and a second edge (202) on the upper side, at least one sealing member having a first end portion (301) on the lower side and a second end portion (302) on the upper side, said sealing member having a sealing top that extends radially outwards from said platform (2) between said first and second end portions (301, 302), characterized in that, for at least one sealing member, the heel (105) comprises, on at least at one of the edges (201, 202), a portion forming a bowl (5) extending along the end portion (301, 302) of the sealing member which corresponds to the edge (201, 202), the portion forming the bowl (5) being suitable for receiving a deposit of anti-wear material.

Abstract: A method and system for die compensation and restoration uses high-velocity oxy-fuel (HVOF) thermal spray coating and plasma ion nitriding to compensate for a particular part (damaged part) of a press die that causes formation of fine curves at a door of a vehicle to restore it to its original state. A coating thickness quantification technique may precisely compensate for the damaged part of the die that causes formation of the fine curves at the door of the vehicle in a circular form using HVOF thermal spray coating. A surface of the die may be nitrided using plasma ion nitriding after HVOF thermal spray coating is performed, so as to harden the surface of the die so that wear resistance and fatigue resistance of the die can be greatly improved and the hardfacing or overlay welding efficiency of the die can be increased.

Abstract: Studs, nodes, and study assembly systems formed by various methods are disclosed. Various disclosed methods include cold spraying a powder onto a substrate to form a node on the substrate and drilling a hole only into the node. Various disclosed methods include cold spraying a powder onto a substrate to form a node and machining the node to form a stud.

Abstract: An area of a structure is reworked from one side of the structure using resin infusion of a dry fiber patch. Entrapped air and excess resin is removed from the patch during the infusion process by inserting a vacuum device into the patch, and forcing the area resin through the vacuum device.

Abstract: Processing used pistons includes receiving defective and non-defective pistons removed from service, sorting the used pistons into standard and expanded processing categories, and repairing a defect in pistons in the expanded processing category via welding. An inventory of interchangeable replacement pistons is populated with remanufactured pistons from both the standard and expanded processing categories.

Abstract: A pressure resistant drop tip nozzle assembly for an injection molding machine having a nozzle body with a nozzle passage extending axially through said nozzle body between a nozzle inlet and a nozzle outlet. The assembly includes a drop tip which has a body connected to the nozzle outlet of said nozzle body. The drop tip has a drop tip bore extending between a drop inlet located adjacent said nozzle outlet body and a drop outlet. A tapered drop passage located at said drop outlet defines a resin flow aperture where resin leaves said drop tip. An internal heating insert is positioned within said drop tip bore. The drop tip body is connected to the nozzle body via a mechanical connection such as screw threads. A reinforcing weld preferably via a continuous laser weld is provided between said drop tip body and said nozzle body.

Abstract: A rail profiling device for a railway crossover includes a frame having first and second rail-side members laterally spaced from each other and two longitudinally spaced support members extending therebetween; a plurality of wheels positioned on the rail-side members, wherein the rail-side members are laterally spaced a distance, such that wheels on opposite rail-side members are configured to be mounted on laterally spaced rails of the railway corresponding to an axle width of a rail vehicle of the railway, the wheels including a wheel profile corresponding to a rail vehicle wheel profile; and a planing device positioned on the first rail-side member and configured to provide, in a single set-up pass, a precisely located continuously levelly supported crossover wheel contact surface profile along the entire length of one side of the railway crossover.

Abstract: A method of profiling a railway crossing may include determining an angle of taper of a rail vehicle wheel; applying a raised weld section to a wheel contact surface of the railway crossover; and planing the raised weld section to correspond to the angle of taper in a single set-up pass across the length of the railway crossover creating a wheel matched profile. The railway crossover may be a rail frog or a diamond crossing. The method may also include creating a three-dimensional surface contour model of the crossover by replicating a standard crossover profile; creating a wheel profile model that matches a wheel profile for a rail vehicle of the railway; defining wheel contact surface for the rail vehicle by transposing the wheel profile model over the standard crossing surface contour model; and modeling a raised weld section to be placed along the wheel contact surface.

Abstract: The invention relates to repairing and/or modifying a surface of a membrane in osmotically driven membrane systems by the introduction of one or more substances to the membrane.

Abstract: A method of the present disclosure includes of repairing a core stiffened structure with structural foam. Another method includes splicing core members together using structural foam. Another method includes joining a core member to a structure using structural foam. Another method includes using structural foam to stabilize a core member during a machining process. Another method includes stabilizing a core member with structural foam to prevent the core member from crushing in autoclave pressure. The present disclosure further includes a core stiffened structure have a core member with structural foam therein.

Abstract: A method for repairing or resurfacing an inner cylindrical surface of a workpiece having an original coating applied over an original-roughened surface. The original workpiece has The method includes repair-boring the surface to a repair-bored diameter greater than a maximum diameter of the original-roughened surface. Next, the repair-bored surface is repair-roughened. A repair-coating is then applied over the repair-roughened surface. Finally, the repair-coated surface is machined to a final-repaired diameter. The workpiece may be an engine block and the inner cylindrical surface may be a cylinder bore.

Abstract: A tool for forming a shaped product has a support body that is fabricated from a first material, such as for instance cast iron. The first material defines a first portion of a forming surface of the tool and has a feature supported thereon. The feature has a layer of a second material that is supported on the first material of the support body, a layer of a third material that is supported on the layer of the second material and a layer of a fourth material that is supported on the layer of the third material. The layer of the fourth material, such as for instance a tool steel alloy, defines a second portion of the forming surface of the tool. During use the first portion of the forming surface and the second portion of the forming surface cooperate to form a desired shape of the shaped product.

Abstract: A repairing method includes heating a base material by a heater, and irradiating a laser beam to a repair region of the base material by using a laser oscillator unit, after the base material is heated. In the method, generation of a crack and a break can be suppressed, and the repair region can be repaired more appropriately.

Abstract: A remanufactured planet carrier is disclosed having a first plate and a second plate spaced apart from and oriented generally parallel to the first plate. Supports join and support the first and second plates. The remanufactured planet carrier further has a plurality of first pin bores in the first plate and a plurality of second pin bores in the second plate. The first pin bores are parallel and generally aligned with the second pin bores. A cylindrical member extends from a central axis of the second plate away from the first plate with a shaft bore formed within the cylindrical member. The first and second pin bores and the shaft bore each have a surface layer with a hardness of at least about 180 BHN and a strength of at least about 500 MPa.

Abstract: A rotatable tool for use in repairing composite hollow shafts, namely for sports equipment, for example, composite hockey stick shafts. The rotatable tool includes a plurality of aligned spaced-apart grinding surfaces and proximal and distal guide bearings coaxially arranged along a tool shaft. The rotatable tool is used to form grooves proximate the repair location so as to enhance mechanical bonding of a composite repair material which spans a region of abutment of hollow shaft segments.

Abstract: Golf club heads comprising weighted materials that can be added, removed, and moved in order to change the weight and center of gravity of the club. In some instances, the weighted material is a polymer composition comprising metal and having a specific gravity greater than about 4. Also disclosed are methods of modifying the center of gravity of a golf club head and methods of manufacturing golf club heads.

Abstract: A process for producing a fluid transfer surface, which process comprises: providing a titanium or titanium alloy surface; subjecting the titanium or titanium alloy surface to surface hardening by interstitial element absorption to provide a hardened surface; and, if required engraving the hardened surface to provide a desired surface topography.

Abstract: An apparatus and method for performing repair on the floor or side wall of a swimming pool or of a large body of liquid by creating a workable space without fully draining the water or liquid. The apparatus utilizes a sturdy solid tube to create a separation between the area enclosed within the tube and body of liquid outside. A guiding lid with multiple openings allows a specific tool to be guided into the tube for conducting repairs. A draining assembly drains the liquid enclosed within the tube. A drier assembly creates a dry workable space within the tube. A repair assembly is used to conduct a specific repair operation including spray painting, filling up holes, filling in caulking to cover up cracks, sanding within the workable space. An inspection assembly is used to remotely inspect the surface that needs repair.

Abstract: A method for re-melting and refilling a defect (7) in a surface (19) of a substrate (4) by re-melting the defect (7) causing a hollow (28) to be produced above the re-melt, and the hollow (28) is refilled. A nickel- or cobalt-based substrate (4) is re-melted by a laser re-melting method. Subsequently, the hollow (28) that is produced is refilled by a laser application method, in particular by soldering. Also, a component having a re-melted region (25) and a solder region (31) thereover is disclosed.

Abstract: A method of modifying an end wall contour is provided. The method includes creating a weld pool using a laser, adding a metal or a ceramic powder or a wire filler to the melt pool and modifying the part of the turbine in a manner that results in a change of about 0.005 to about 50 volume percent in the part of the turbine. The weld pool is created on a turbine component and contains molten metal or ceramic derived as a result of a heat interaction between the laser and the turbine component.

Abstract: A method, process and apparatus for repairing and repainting vehicles and vehicle components, specifically auto body repair and vehicle body components. The method and process reduce vehicle painting preparation time and eliminate material and waste material in the repair and repainting process. The apparatus is directed a vehicle component support stand which simulates the mounting of the body components on a vehicle to reduce time and expenses in the component repair and replacement process.

Abstract: An integral remanufacturing process of discarded oil pipe, including steps of: preprocessing, including picking out the discarded pipe with wall of 2.8 mm thickness or above, detaching the coupling, checking the Magnetic flux leakage, cutting the thread, eliminating oil and stain, straightening, blasting, and sorting according to different length; lining with ceramic, wherein in the centrifugal machine spinning with high speed, the melted iron liquid via selfpropagating reaction is filled into the ditches and corrosion pits of the inner wall to combine with the inner wall of the oil pipe, and is integrated with the transition iron layer under the ceramic layer, and machining thread including machining thread at the end of the pipe by using numerically controlled lathe and precision comb knife, applying thread compound, and attaching the coupling.

Abstract: A method of fitting a compressed component, for example a pipe, in a receiver, for example a bore, comprises compressing a selected component which is made out of a polymeric material having a glass transition temperature of at least 100° C., for example polyetheretherketone; arranging the compressed component in position within a receiver; and subjecting the compressed component to conditions, for example of temperature and/or pressure, whereby the compressed component expands.

Abstract: A regenerating method of a cutting blade to be repaired includes a chamfering step of chamfering the leading edge part and the side edge parts of a cutting blade, a build-up welding step of welding a build-up on the chamfered leading edge part and side edge parts, and a processing step of regenerating and processing build-up welding portions of the cutting blade into a specified shape of leading edge part and side edge parts, and of the side build-up welding portions formed on the side edge part, dimension L1 of a lateral build-up weld zone is 1 to 3 times of dimension L2 of an outer build-up weld zone.

Abstract: A method prepares a repair material for and repairs a damage point in the surface of cast parts. Spray particles having the same cast structure as the cast part are used as materials. The particles are applied to the damage point by cold gas spraying. The cold gas spraying is performed such that the spray particles are not melted and, advantageously, the cast structure is retained after the spray particles contact the repair point. The repair point can thus be advantageously furnished with the same properties as the rest of the component to be repaired. The repair material can be produced in that a cast part having the required cast structure is reduced to small pieces.

Abstract: Hardfacing is applied on gage surfaces of bit blades, the leading and trailing edges of bit blades, and on carbide inserts. The gage surfaces contains natural diamonds, synthetic diamonds, thermally stable polycrystalline (TSP) diamonds and carbide inserts, and the hardfacing is applied over at least a portion of them. As primary cutters on the bit blades are worn down during drilling, the gage surfaces of the bit blades are also worn down. A hardfacing is applied to the worn gage surfaces of the bit blades, thereby allowing the drill bit to drill deeper and longer without requiring replacement.

Abstract: A method in which a cutting tip is ground to form an intermediate cutting tool; a first predetermined portion of the intermediate cutting tool is masked; a wear-resistant material is deposited onto the exposed portion of the intermediate cutting tool to form a sharpened cutting tool; and a workpiece is cut with the sharpened cutting tool.

Abstract: A method of sealing at least one gas leak in an engine including the steps of locating at least one gas leak applying, an alkyl polyether composition and a crosslinking composition to at least one surface of the engine within three inches of the located gas leak and allowing a polyether dental impression material to form by reacting to seal the located gas leak.

Abstract: A method for depositing material on a turbine airfoil having a tip wall extending past a tip cap, wherein the tip wall includes a first alloy with a single crystal microstructure. The method includes: depositing a second alloy on at least a portion of the tip wall to form a repair structure, wherein a high temperature oxidation resistance of the second alloy is greater than a high temperature oxidation resistance of the first alloy, and wherein the repair structure has a crystallographic orientation that is substantially the same as a crystallographic orientation of the tip wall.

Abstract: A turbine rotor blade repair method which reduces the occurrence of cracks due to welding is provided. A turbine rotor blade repair method for repairing damage of a fin at a tip of a turbine rotor blade includes overlaying a damaged portion of the fin with metal by welding (step S2); peening on a boundary region between the fin and the overlaying metal (step S4); and after the peening, performing solution treatment to repair the damage of the fin of the turbine rotor blade (step S6).

Abstract: Methods for aircraft component repair and reclamation are provided. Cold spraying aircraft panels include identifying a fastener hole in an aircraft panel in need of repair, capturing the location of the fastener hole, and depositing cold spray material about the fastener hole for reclaiming the aircraft panel. Any excess material may be removed. Cold spraying hydraulic lines includes identifying a surface of the hydraulic line in need of repair, aiming a cold spray nozzle at the surface of the hydraulic line and depositing a cold spray material on the surface of the hydraulic line. Excess cold spray material may be removed as needed.

Abstract: A method of re-manufacturing a shaft-hub assembly to be used in a transfer case, the method including the steps of: determining an initial diameter of a journal bearing of a main shaft that has been used in the transfer case; comparing the determined initial diameter to a predetermined minimum threshold, and discarding the main shaft if the determined initial diameter is below the predetermined minimum threshold; if the determined initial diameter is above the predetermined minimum threshold, preparing the bearing surface of the journal bearing for a thermal spray process; thermally spraying an aluminum bronze material onto the bearing surface; and machining the aluminum bronze material to achieve an outside diameter that provides a desired running clearance with a corresponding finished inside diameter of a central bore for a hub to which the main shaft will be assembled in the transfer case.

Abstract: A pocket restitution assembly comprises a pocket formed in a surface that includes a central axis, an anchor seated in the pocket and aligned with the central axis, a tool attachment comprising an end for connection to the anchor, and a hollow bit slidably and rotatably sitting on the tool attachment. The hollow bit may fit within the pocket. Weld material may be deposited within the pocket to form an interior of the pocket. The weld material may be shaped by the hollow bit to accept a cutting element.

Abstract: An aerofoil assembly, for example a bladed rotor assembly (40B) comprises a rotor (42) carrying a plurality of rotor blades (44), at least one of the rotor blades (44) having a coating (46) on the surface of the rotor blade (44). At least one of the rotor blades (44) has a coating (46) having a different thickness, a different area of contact with the surface of the rotor blade (44), a different position of contact on the surface of the rotor blade (44), a different shape of contact on the surface of the rotor blade (44) and/or a different composition compared to at least one of the other rotor blades (44). The coating (46) is applied in a non-uniform manner to reduce the vibration level of the rotor blade (44), or rotor blades (44), with the highest vibration response for a given excitation by changing the bladed rotor assembly (40B) mode shapes and the relative vibration of the rotor blades (44).

Abstract: A material is deposited on the surface of a piece to be repaired, by means of two steps of electro-spark deposition alternated with an intermediate compaction step, which reduces the surface asperity of a layer of material deposited before another material is deposited; the compaction phase is defined by shot peening, performed by means of shots supported by at least one flexible element supported projecting from a rotating shaft.

Abstract: Methods are provided for structurally repairing a component having a damaged internally threaded opening. The damaged internally threaded opening is machined to a predetermined diameter, thereby forming a machined opening. At least one notch is formed in the machined opening, thereby forming a notched opening. A selected amount of repair material is cold sprayed into the notched opening, including into the at least one notch. A plurality of internal threads is formed from the repair material to form a repaired internally threaded opening in the component. The repaired components are also provided.

Abstract: A method for reconditioning a railcar connector is provided. The method comprises machining a portion of a casting to create a wear plate application surface, positioning a wear plate on the wear plate application surface, and welding the wear plate to the wear plate application surface.

Abstract: A system and method for modifying a gas turbine engine in the field to drill a series of cooling holes in a turbine rotor disk made of a superalloy. A portable field repair system includes a stand configured to receive, support, and position a turbine rotor disk, a drill having a self-feeding spindle and configured to automatically drill a predetermined depth through a superalloy and to automatically stop upon completion, a drill guide configured to coordinate the drill with a plurality of radial axes associated with a precise hole pattern to be cut and a drill mount configured to mechanically couple the drill to the drill guide and to position the drill during the modification of the gas turbine engine turbine rotor disk.

Abstract: A method for repairing the skin of the fuselage of an airplane from the inside to be used when the skin of the fuselage has been damaged between a first stringer and a second stringer adjacent to the first one is provided. The method includes filling the damage, placing a first doubler over the filling, placing a second doubler over the first doubler and bending this second doubler at least over a flange of one of the stringers, and securing the second doubler.

Abstract: A method of repairing a microchannel heat exchanger includes identifying a damaged region of a microchannel tube, providing sealant to at least one of the microchannel tube and a patch, and disposing the patch relative to the microchannel tube so that the sealant forms a fluid tight boundary between the microchannel tube and the patch, wherein the fluid tight boundary circumscribes the damaged region.

Abstract: There is disclosed a method for reconditioning an intermediate transfer member and the reconditioned intermediate transfer member. The method comprises stripping off an outer layer of the intermediate transfer member. A mixture of a polymer, conductive particles and a solvent is coated over the outer surface of a seamless intermediate transfer member. The mixture is heated to form a layer on the outer surface of the intermediate transfer belt. An apparatus for reconditioning an intermediate transfer member is also described.

Abstract: A method of repairing an article includes removing an undesirable section of the article, attaching a repair section to the article at a location from which the undesirable section has been removed, and mechanically working the repair section to achieve a reduction in a cross-sectional area of the repair section.

Abstract: An apparatus and method for repairing defects in composite materials using a tapered disk sized to fit the part being repaired. Also included is a bolt sized to fit through a central hole in the disk. A spring is positioned on the bolt with a washer. A nut is attached to the end of the bolt and tightened to place pressure on the washer to compress the biasing device. An adhesive is applied to the tapered disk prior to engaging the composite material. A threaded bushing is used to fixedly attach a second bolt completely in the hole.

Abstract: Methods are provided for structurally repairing a component having a damaged internally threaded opening. The damaged internally threaded opening is machined to a predetermined diameter, thereby forming a machined opening. At least one notch is formed in the machined opening, thereby forming a notched opening. A selected amount of repair material is cold sprayed into the notched opening, including into the at least one notch. A plurality of internal threads is formed from the repair material to form a repaired internally threaded opening in the component. The repaired components are also provided.