Abstract: An apparatus for backward flow forming a material may comprise a mandrel having a headstock at a proximate end of the mandrel, the mandrel configured to rotate about an axis, a plurality of rollers disposed radially outward of the mandrel configured to exert force on the material to form a work piece at a plastic deformation zone, wherein the work piece flows from the plastic deformation zone between the plurality of rollers and the mandrel toward a distal end of the mandrel, and a catcher, coaxial to the mandrel, and removably coupled to the work piece at a traveling end of the work piece.

Abstract: A process of repairing a component includes identifying a void in a component; determining at least one approximate physical configuration of the void; inserting borescope into the component in order to view the void; providing a repair rod approximately equivalent to at least one of the least one approximate physical configuration of the void; inserting the repair rod into component; confirming insertion of the repair rod in the void; separating the repair rod to leave a repair plug in the void; and depositing braze paste over the repair plug in the void.

Abstract: An axle boring assembly includes a portable power head or drive unit, a bearing pack to which the drive unit is attached, an adjusting base to which the bearing pack is adjustably secured and a mounting assembly which fits over a motor vehicle axle and to which the adjusting base is secured. The mounting assembly comprises a first section having axially spaced apart front and rear clamps and a substantially identical second section with matching spaced apart front and rear clamps. Threaded fasteners extend between the front and rear clamps and may be rotated to secure the mounting assembly about the end of the axle. Each clamp includes jaws which contact the axle and which may be selected from sets of various sizes and configurations to ensure accurate and suitable engagement of the axle.

Abstract: An apparatus for backward flow forming a material may comprise a mandrel having a headstock at a proximate end of the mandrel, the mandrel configured to rotate about an axis, a plurality of rollers disposed radially outward of the mandrel configured to exert force on the material to form a work piece at a plastic deformation zone, wherein the work piece flows from the plastic deformation zone between the plurality of rollers and the mandrel toward a distal end of the mandrel, and a catcher, coaxial to the mandrel, and removably coupled to the work piece at a traveling end of the work piece.

Abstract: A method for counteracting tensile stress in an article is disclosed, including heating the article and applying compressive stress to the article along a compressive stress vector, the compressive stress vector including a compressive stress vector component opposite in direction to a tensile stress vector of a thermally-induced tensile stress of the article. The compressive stress is applied by thermally-induced autogenous pressure by a fixture contacting the article. A fixture for counteracting tensile stress is disclosed, including a first compression member and a second compression member, and a position lock connecting the first compression member to the second compression member and reversibly fixing the first compression member relative to the second compression member. The first compression member and the second compression member include compressive surfaces having mating conformations for surfaces of an article. The position lock includes a material composition.

Abstract: A method of supporting a cantilevered component prior to machining the cantilevered component, wherein the cantilevered component is mounted on a hub, the method comprising the step of providing an adhesive carrier, applying adhesive to the carrier and adhering the carrier to the cantilevered component and allowing the adhesive to cure. The carrier may rigid and braced against adjacent blades or against another carrier located on an opposing side of the aerofoil. Alternatively, the carrier may be a flexible fabric that can be wrapped around the blade. Advantageously, the blade can be machined through the carrier.

Abstract: A turbine component repair apparatus includes: a first die having male and female halves for clamping a first section of a turbine blade with a platform and a root portion of an airfoil, the first die having a recess shaped to receive the root portion and retain a faying surface thereof in predetermined alignment; and a second die having male and female halves for clamping a repair section which defines a tip portion of the airfoil, the second die having a second recess shaped to receive the tip portion and retain a faying surface of the tip portion in predetermined alignment. The first and second dies have mating front faces configured to align their bottom surfaces in a common plane. A alignment device is removably attached to the second die to temporarily align the repair section in the absence of the male half of the second die.

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 method and apparatus for replacement of damages display shield (typically glass) covering a display screen on a device, typically a mobile phone. Mobile phones have an electronic display protected by a glass shield. Between the glass and the display is often a plastic polarizing or other intermediary sheet. Removal of a damage glass can be accomplished by cutting thru the polarizer with a moving wire or blade. This separates the glass from the sensitive display and allows replacement of the glass without damaging the more expensive display.

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: A method for restoring a worn rail section includes cleaning a worn surface of a rail section to expose a clean metal surface, heating the rail section to a first temperature before welding, welding new metal on the clean metal surface of the rail section after heating the rail section to the first temperature, heating the rail section to a second temperature after the welding to heat-treat a heat-affected area caused by the welding, and shaping the rail section, wherein the welding is performed by a gas metal arc welding (GMAW) process.

Abstract: A method for producing a honeycomb body having a honeycomb structure disposed in a housing, includes at least forming a honeycomb structure, inserting the honeycomb structure into a housing, carrying out a heat treatment operation on the honeycomb structure having the housing, contacting outer regions with a molding, at least during the inserting step or the heat treatment step, and reproducing a desired outer contour of the housing with contact faces of the molding. A molding and an exhaust gas treatment unit produced with a thin housing in a dimensionally accurate manner, are also provided.

Abstract: A seal ring whose abutment joint portion is opened is fitted into an annular gap while the abutment joint portion is substantially closed. The annular gap is formed between an inner circumferential surface of a hole portion provided in an outer circumferential jig and an outer circumferential surface of an inner circumferential jig disposed in the hole portion, and has a heating region and a cooling region. The seal ring is passed through the heating region and then passed through the cooling region in the annular gap. The outer circumferential jig and the inner circumferential jig are maintained at a constant temperature higher than a glass transition temperature of a resin material for the seal ring in the heating region, and maintained at a constant temperature lower than the glass transition temperature of the resin material for the seal ring in the cooling region.

Abstract: A method for repairing a turbine engine component is provided. The method broadly comprises the steps of providing a turbine engine component having an airfoil portion, applying a coating to the airfoil portion, and restoring a tip portion, a chord, and surfaces of the airfoil portion to original dimensions in a single operation. A system for repairing the turbine engine component is also described.

Abstract: A method and an apparatus for mobile repair of a stationary rotor seals of a turbo machine is provided. The method includes the following steps, 3D-scanning of the stationary seal, generation of 3D-model of the stationary seal, removing of the damaged spots of the seal using laser cutting, and generating a new seal at the repair spot by use of a second process head, which generates the seal by laser powder cladding. The apparatus includes a 3D-scanner, a cutting tool, and a first process head and a second process head.

Abstract: A method for restoring a crack formed within a turbo charger engine transition section, the method including preparing a crack in the transition section to receive a material within the crack, applying the material within the crack, and retaining structural integrity of the transition section proximate the crack while at least one of preparing the crack and applying the material.

Abstract: An improved method for salvaging a spring element with a degraded force constant for return to a work environment. The spring element is subjected to a high temperature and extended duration annealing treatment alone or in combination with other treatments. The resultant salvaged spring is characterized by a more durable force constant relative to the original spring when it was new.

Abstract: A specialized tool is provided for the removal of components in a microwave module in which a fixed tool having a channeled tip is positioned adjacent the component to be removed, with a hot stream of gas, forced through the channel to the top of the component which serves to heat the component, the component being removed through shearing when the component is forced against the tip.

Abstract: A method is provided for reclaiming a suspension from a disk drive head gimbal assembly (HGA). An ultrasonic probe is applied to the HGA's read/write head slider on a side opposite that of its solder balls. Ultrasonic oscillations are transmitted through the ceramic slider to the side with the solder balls. The oscillations break the brittle intermetallic compound of the slider balls and free the slider. The ultrasonic energy also weakens the epoxy adhesive between the slider and suspension. The method can be used with heat to further weaken the solder balls and adhesive.

Abstract: A method is utilized for repairing a motherboard with a defective dual inline memory module (DIMM) socket mounted thereon be surface mounted technology (SMT). The method includes following steps. Repair tools including a ball grid array (BGA) rework device, a steel bar, a nozzle, and a steel sheet are provided. The BAG rework device, the nozzle are align with the defective DIMM on the motherboard for heating up solder balls between the defective DIMM and the motherboard until the solder balls are melted. The defective DIMM is removed from the motherboard. The steel bar is installed on a replacement DIMM to detect a planarity of a bottom face of the replacement DIMM. The replacement DIMM is mounted on the motherboard to replace the defective DIMM if the replacement DIMM is qualified.

Abstract: A method for repairing the liquid-cooled electrical windings of the stator of an electric generator, in which each electrical winding has a plurality of bars, which are set alongside one another and, in part, have channels for conveying the cooling fluid, and a terminal, which has, on one side, an opening, inserted in which are the ends of the bars and, on the other side, a fitting for connection to a connector pipe for supply or discharge of the cooling fluid, envisages the steps of: a) cutting the terminal into a first portion comprising the opening, and a second portion comprising the fitting, the cut producing a first cutting surface along the first portion; b) cleaning the free ends of the bars housed in the first portion; c) hermetically joining the free ends of the bars to one another and to the first portion via TIG welding in a helium atmosphere; d) facing the first cutting surface; e) selectively regulating the position between the second portion and the first portion for re-composing the terminal;

Abstract: The present invention includes a method of repairing a twist angle of a turbine blade, which method includes restraining a root of the blade, induction heating one or more portions of the blade, and applying an angular load to a tip of the blade.

Abstract: A specialized tool is provided for the removal of components in a microwave module in which a fixed tool having a channeled tip is positioned adjacent the component to be removed, with hot gas from the channeled tip melting the epoxy or solder and with the module forced against the fixed tool to remove it.

Abstract: The present invention is a novel machine for repairing damaged wheel rims whereby pressure is applied to a damaged rim from a plurality of pressure applicators, and whereby all of the pressure applicators may be used without impairing the sightline of the user.

Abstract: The invention is related to an improved method of removing tubes from tubes sheets. The improved method softens and elongates a tube circumferentially surround by tube sheet, wherein the softening and elongating steps allow for quick and easy removal of the tube from the tube sheet without damaging the tube sheet or tube seats.

Abstract: Methods for repairing composite containment casings involving providing a composite containment casing having an integrated abradable system, the abradable system having at least one damaged portion, and including a sandwich structure, and at least one abradable layer, removing the damaged portion of the abradable system to leave a hole, shaping a sandwich structure segment to produce a shaped sandwich structure, placing the shaped sandwich structure into the hole in the abradable system, infusing a resin into the shaped sandwich structure, and curing the containment casing having the shaped sandwich structure, and applying at least one abradable layer to the shaped sandwich structure to produce the containment casing having a repaired integrated abradable system.

Abstract: A system and method for reconfiguring a turbine vane. In at least one embodiment, the system may be used to straighten an airfoil of a turbine vane segment to remove lean, twist, or racking, or any combination thereof. The airfoil may be straightened by fixing portions of the forward and aft hooks of the inner and outer shrouds of the turbine vane, restricting other portions of the forward and aft hooks of the inner and outer shrouds of the turbine vane to only move rotationally about a centerline of the inner or outer shrouds, and applying a load to various portions of the inner and outer shrouds and the airfoil to return the turbine vane to be within predetermined specifications.

Abstract: A method of at least partially filling a keyway in the metal sleeve of a rolling mill oil film bearing comprises machining a pocket into the keyway. A metal key is provided with a shape complimentary to that of the pocket, with at least one exterior dimension of the key exceeding a respective internal dimension of the pocket. The key is thermally shrunk to reduce its at least one external dimension to an extent sufficient to accommodate insertion of the key in the pocket. The thermally shrunk key is then inserted in the pocket, and allowed to thermally expand, thereby establishing an interference fit between the key and the pocket.

Abstract: A method for repairing a turbine engine component comprises the steps of providing a turbine engine component formed from a nickel-based superalloy, removing any defects from the turbine engine component, the removing step comprising subjecting the turbine engine component to a solutioning heat treatment using a heating rate in the range of from 29 degrees Fahrenheit/minute to approximately 40 degrees Fahrenheit/minute as the component passes through a temperature in the range of from 1100 degrees Fahrenheit to 1600 degrees Fahrenheit, and welding the turbine engine component to effect the repair. A deliberately slow post-solution treatment cooling rate is used to substantially prevent weld cracks.

Abstract: A printed circuit board defective area transplant repair method in which printed circuit boards that are determined to be defective undergo a series of reworking procedures comprised of plotting the printed circuit board area block plan, selecting the printed circuit boards, cutting out the area blocks, cutting the selected area blocks, applying the adhesive and fitting area blocks, adjusting the area block alignment, roller tamping the plastic band, curing the adhesive, and tearing off the plastic band. Following the reworking operations, defective printed circuit boards are restored into a good products capable of continuous use such that printed circuit board fabrication and production is even more economical and environmentally protective and, furthermore, printed circuit board manufacturing reaches maximum utilization rates, thereby effectively increasing practical production value.

Abstract: A process and apparatus for preparing an MCM for hat removal where the hat includes a piston thermally coupled to a corresponding chip. The apparatus includes a heater positioned to reflow a joint between the piston and a base of the hat; and a retractor for biasing the piston away from the corresponding chip. Implementation of the apparatus and process prevent a piston, as it moves across the top of a corresponding chip during mechanical shear to remove the hat, to impact chip(s) and surrounding components. In addition, since piston(s) are retracted, the likelihood of piston impact with or cracking of a chip is reduced. In addition, cutting into a corresponding chip having a tilted back surface is prevented. The need to replace chips and other electronic components when making other repairs may, therefore, be greatly reduced.

Abstract: A magnetic head slider with at least one thin-film magnetic head element on a suspension is mounted. This mounting includes electrically connecting the magnetic head slider with the suspension with ball bonding connections. Electrical property of the thin-film magnetic head element is inspected, and then the ball bonding connections are separated when it is judged that the thin-film magnetic head element has defective electrical property. Then, the magnetic head slider is detached from the suspension, and thereafter a new magnetic head slider with at least one thin-film magnetic head element is mounted on the suspension from which the magnetic head slider was detached.

Abstract: A roll for smoothing a web, a process for making the roll and a process of repairing the roll. The roll includes a roll core having an outer surface. A covering layer is disposed on the outer surface of the roll core. The covering layer has an inner surface and an outer surface. The covering layer includes an elastic matrix material. The elastic matrix material includes a mixture of at least one thermosetting plastic and at least one thermoplastic. The process of making includes providing a roll core having an outer surface, forming an elastic covering layer including at least one thermosetting plastic and at least one thermoplastic, and applying the covering layer to the outer surface of the roll core. The process of repairing includes heating an elastic covering layer made from an elastic matrix material which comprises at least one thermosetting plastic and at least one thermoplastic, and allowing any markings in a surface of the covering layer to be filled.

Abstract: The invention is of a portable stripping head induction heating system and associated method of use thereof which system and method is useful in heating metallic components to which protective coatings or linings are applied for enabling their easy removal.

Abstract: The invention relates to an apparatus and method for measuring and adjusting the pitch and roll angle in the suspension head for magnetic readers for disk drives. The system includes a linear advancement system, a measurement system, an adjustment and heat treatment system and control algorithms TO measure, adjust and correct the roll and pitch in a suspension head.

Abstract: To readily perform a repairing work for a deformed portion of a rim without any adverse effects given by a rim shape of a wheel or a kind of the wheel, and to enhance the precision of the repairing work and the simplification of the apparatus by devising a receiver for a reactive force of a pressing jack, a wheel repairing apparatus includes a base (2) on which the wheel H is to be mounted with its axis vertical, a support frame (3) provided on the base, supporting means (A) provided between the support frame and the base for rotatably supporting the wheel about the vertical axis and pressurizing means (B) for pressurizing the deformed portion of the rim (R).

Abstract: Nylon reinforced or polyester reinforced fire hose is secured to a coupling or shank by heating the fire hose to at least 270° F. with a wrap-around electric heating apparatus. The heating apparatus heats the fire hose for the period of time necessary to shrink fit the fire hose to the coupling or shank. Shrink fitting the fire hose to the coupling eliminates pinching of the fire hose and prevents leakage.