Abstract: A method of manufacturing a pipe member includes arranging a pre-pipe member between first and second dies, moving one of the first and second dies to be closer to another one and holding the pre-pipe member with first and second recess portions, by the moving of the one of the first and second dies, and pressing an outer peripheral surface of the pre-pipe member with first and second inner surfaces in a closed state of the dies. By the pressing of the outer peripheral surface of the pre-pipe member, reducing a diameter of a portion of the pre-pipe member and forming a reduction portion having a polygonal shape so that the reduction portion has a same number of outer surfaces as a total number of the first inner surfaces and the second inner surfaces.

Abstract: A method for joining sections of at least two components, particularly vehicle components, includes mutually connecting the joining sections exclusively by the use of a fibrous duroplastic molding compound.

Abstract: A forging die apparatus includes: an upper mold holder installed to be movable in a vertical direction, an upper mold detachably installed in the upper mold holder, a lower mold holder installed to be movable in the vertical direction, a lower mold detachably installed in the lower mold holder, and a stopper unit detachably installed in one of the upper mold holder and the lower mold holder to selectively restrain the vertical movement of the one of the upper mold holder and the lower mold holder in which the stopper unit is installed.

Abstract: A cycle is repeated a plurality of times, which includes a forging process for placing a material to be forged in a lower die and pressing the material to be forged in this state and then separating an upper die from the material to be forged; an elevation process for lifting the material to be forged by using an elevation device to separate the material to be forged from the lower die; a rotation process for rotating the material to be forged around its center by using a rotation device; and a lowering process for placing the material to be forged rotated by the elevation device in the lower die.

Abstract: An investment mold slurry curtain apparatus includes a slurry curtain of a slurry fluid, the slurry curtain having a length and a thickness, the length substantially greater than the thickness. The apparatus also includes an outlet configured to dispense the slurry fluid and form the slurry curtain. The investment mold slurry curtain apparatus may include and be described as an investment mold slurry coating apparatus including a conduit configured to receive a flow of a slurry fluid and an outlet operatively coupled to the conduit, the outlet configured to dispense the flow of the slurry as a curtain of the slurry.

Abstract: A mold assembly system includes a mold assembly that defines an infiltration chamber used for forming an infiltrated metal-matrix composite (MMC) tool. Reinforcement materials are deposited within the infiltration chamber, and a binder material is used to infiltrate the reinforcement materials. At least one preformed mesh is positioned within the infiltration chamber and embedded within the reinforcement materials. The at least one preformed mesh includes a porous body and provides skeletal reinforcement to the infiltrated MMC tool following infiltration.

Abstract: A method for manufacturing an article from a metal alloy is described. The method includes supplying the metal alloy into a nozzle of a printing chamber, where temperature of the metal alloy is between a solidus and a liquidus temperature. Further, the method includes depositing the metal alloy in successive layers on a substrate plate, inside the printing machine, using the nozzle. The method also includes controlling movement of at least one of the nozzle and the substrate plate within the printing chamber based on an electronic data source of the article, where the electronic data source includes geometry of the article.

Abstract: A method for fabrication of an hydrogen-permeable membrane, comprising forming an alloy of a target composition and structure from powders by mechanically alloying; and forming a membrane from the alloy of the target composition and structure.

Abstract: A method of supporting a part with particulate shape retaining media, the method including placing the part on a bed of the particulate shape retaining media, fluidizing the particulate shape retaining media until the part penetrates therein, and vibrating the bed of particulate shape retaining media to compact the particulate shape retaining media around the part. The part may be a green part to be debound in a powder injection molding process. Fluidization may be performed through vibrations at a different frequency than the compaction.

Abstract: Disclosed is a method for obtaining a porous titanium part in a metal material, wherein a starting titanium powder is pure, which has a mean particle size of 200 micrometers, a flow rate of 93 s calculated according to ISO 4490 standard, an apparent density of 1.0 g/cm3 calculated according to ISO 3923/1, and the starting titanium powder is mixed at a proportion of 34% of titanium by weight with at least 50% by weight of sodium chloride (NaCl) having a particle size between 300 and 600 micrometers.

Abstract: A method to form a surface on a metal work piece includes providing a turning insert having a first cutting edge, a second cutting edge and a convex nose cutting edge connecting the first and second cutting edges, a nose angle formed between the first and second cutting edges being less than or equal to 85°; arranging the second cutting edge such that it forms a back clearance angle of more than 90° in a feed direction; positioning all parts of the turning insert ahead of the nose cutting edge in the feed direction; rotating the metal work piece around a rotational axis in a first direction; and moving the turning insert in a direction parallel to or at an angle less than 45° relative to the rotational axis, such that the surface at least partly is formed by the nose cutting edge.

Abstract: A turning insert includes a top surface, an opposite bottom surface, a reference plane located parallel to and between the top surface and the bottom surface, and a center axis extending perpendicular to the reference plane and intersecting the reference plane (RP), the top surface and the bottom surface. Side surfaces connect the top surface and the bottom surface. Three nose portions are formed symmetrically relative to the center axis. Each nose portion includes a first cutting edge, a second cutting edge and a convex nose cutting edge connecting the first) and second cutting edges. In a top view the first and second cutting edges on the same nose portion form a nose angle of 25-50° relative to each other. The distance from the first cutting edge to the reference plane varies in such a way that that this distance is decreasing at increasing distance from the nose cutting edge.

Abstract: A turning insert includes a top surface, an opposite bottom surface, side surfaces connecting the top surface and the bottom surface and two opposite nose portions. Each nose portion includes a convex nose cutting edge, a first cutting edge and a second cutting edge. The convex nose cutting edge connects the first and second cutting edges. A bisector extends equidistantly from the first and second cutting edges. In a top view the first and second cutting edges on the same nose portion form a nose angle (?) of 70-85° relative to each other. Each nose portion includes a third convex cutting edge adjacent to the first cutting edge and a fourth cutting edge adjacent to the third cutting edge. In a top view the fourth cutting edge forms an angle (?) of 0-34° relative to the bisector.

Abstract: A drill chuck assembly. The drill chuck assembly includes a rapid change mechanism configured to retain a drill bit shank inserted therein. The drill chuck assembly includes a body having a bore with a trilobe cross-section that is configured to receive a triangular and hexagonally shaped drill bit shank, interchangeably. The bore includes a slot positioned in each lobe that slidably contains a detent ball therein. A collar is affixed annularly around the body and defines a channel extending around the body. A sleeve is slidably mounted around the body. The sleeve includes a tapered end that is slidably disposed within the channel and has circular apertures that are in communication with the slots of the bore for reception of the detent balls. The sleeve is spring biased towards the collar, which forces the detent balls against an angular wall within the channel.

Abstract: A chuck for clamping workpieces or tools in a clamping space with a clamping force (F). The chuck includes at least two chuck jaws movable in translation along one clamping plane (E) in the direction of one center Z of the clamping space and a gear train located at least largely within the chuck for transfer of a driving torque of a drive motor, which can be coupled to the gear train by coupling means of the gear train, to the chuck jaws for movement of the chuck jaws. The coupling means able to be coupled to a corresponding coupling connection of the drive motor. The movement from the maximum size of the clamping space to the minimum size of the clamping space is executed via the gear train from the drive motor.

Abstract: A high-speed precision interrupted ultrasonic vibration cutting method includes steps of: (1) installing an ultrasonic vibration apparatus on a machine tool, and stimulating a cutting tool to generate a transverse vibration, so as to realize varieties of machining processes; (2) realizing an interrupted cutting process by setting cutting parameters and vibration parameters to satisfy an interrupted cutting conditions; and (3) turning on the ultrasonic vibration apparatus and the machine tool, and starting a high-speed precision interrupted ultrasonic vibration cutting process. High-speed precision interrupted ultrasonic vibration cutting is able to be realized through the above steps during machining of difficult-to-machine materials in aviation and aerospace fields.

Abstract: A drill block and a method for drilling a hole through a workpiece using the drill block. The drill block may include a mounting leg for mounting the drill block, a drilling support leg having a round hole therethrough operable to receive a drill bit during a drilling operation, and a height variability leg interposed between the mounting leg and the drilling support leg, wherein the height variability leg is adjustable to select a vertical height of the drilling support leg relative to the mounting leg.

Abstract: A drill has a replaceable cutting head mounted to a shank in an interlocking fashion. The shank has a pocket with at least one flat, vertically-angled retention surface located closer to a rotational axis than at least one driving surface. Similarly, the cutting head has at least one vertically-angled retention surface located closer to the rotational axis of the drill than at least one driven surface. As a result of the relative locations between the surfaces with respect to the rotational axis, the stresses and fatigue imposed on the drill are minimized, thereby prolonging tool life.

Abstract: A cutting head is formed for insertion into a support in a modular rotary tool, in particular a drill. It has a coupling pin onto which outer cover surfaces and torque surfaces are formed as clamping surfaces. The coupling pin has a particular circular groove, which divides the cutting head into a front pin part and a rear pin part. Stop surfaces for an axial pullout safety are formed in the transition area between the two parts. The torque surfaces and the clamping surfaces are arranged in different pin parts. The torque surfaces are preferably formed in the rear pin part.

Abstract: A key model identification and feedback system includes a key identification housing, a master key receiving aperture, a master key identifier, a processor in communication with the master key identifier, and a feedback module. The processor is configured to access a database defining a plurality of known key models, compare the physical characteristics of the master key with physical characteristics of the known key models in the database to identify a model of the master key, and communicate the model of the master key to the feedback module coupled to the key identification housing. The feedback module, responsive to the communication from the processor, outputs an indication of the model of the master key and directions to a location remote from the key identification housing where a key blank having the same model of the master key is available for duplicating the master key.

Abstract: An end mill includes a plurality of teeth and flutes. The teeth and their associated flutes include one or more correlated physical parameters. One such correlated parameter is that, at an axial location in a front half of an effective cutting length, at least one tooth of the plurality of teeth has a rake angle smaller than an average rake angle value of the plurality of teeth, and, at the same axial location, a flute preceding each such tooth has a helix angle larger than an average helix angle value of the plurality of flutes.

Abstract: In a cutting insert according to an embodiment of the present invention, an upper cutting edge includes, sequentially from a first corner to a second corner, a corner cutting edge, a minor cutting edge inclined as separating from the corner cutting edge at a first inclination angle on a basis of a vertical plane perpendicular to a central axis extending between upper and lower surfaces, and a major cutting edge inclined as separating from the minor cutting edge at a second inclination angle on the basis of the vertical plane so as to become more closer to the lower surface than the minor cutting edge. A cross section of a rake surface obtained by cutting an inwardly located end portion thereof along a direction of the central axis has a straight line shape or concave shape in a region crossing over at least a minor rake surface and a major rake surface. A cutting tool with the cutting insert, and a method of manufacturing a machined product by using the cutting tool are also provided.

Abstract: A cutter for cutting a formed gutter discharged from a seamless gutter machine. The cutter may be positioned to cut a back wall of a formed gutter below a front upper edge of a front wall of the gutter. In turn, a gutter may be mounted to a building (e.g., a fascia board thereof) to achieve additional lift, thereby providing increased pitch over a given length of gutter while maintaining overlap between a gutter apron and a back upper edge of the back wall of the formed gutter.

Abstract: A tube cutting device for cutting a tube of a waste steam generator including: a body configured to transmit power; a tube-shaped rotary body provided on a side surface of the body and having a horizontal rotary shaft configured to rotate with the power supplied from the body; a plurality of clamps provided along an outer peripheral surface of a first end portion of the rotary body and configured to fix the rotary body to the tube to be cut; a saw provided on a second end portion opposite to the first side end portion of the rotary body and configured to rotate together with the rotary body to cut the tube; and a fitting member configured to be inserted into a hollow portion formed on a center portion of the saw.

Abstract: An accessory tool for an oscillating power tool includes a blade portion including a first lateral edge portion, a second lateral edge portion, and a leading edge portion, the leading edge portion defining a cutting edge. A reinforcement structure extends linearly across the blade portion from a first position located on the leading edge portion proximate the first lateral edge portion to a second position located on the second lateral edge portion and spaced apart from the leading edge portion. The reinforcement structure defines a cutting zone that encompasses a leading region of the blade portion between the reinforcement structure and the leading edge portion, the reinforcement structure being configured to increase a stiffness of the blade portion.

Abstract: Various tools are described which can be used for applying axial force to a die head such as during a thread forming operation performed on a pipe. The tools include provisions for selectively dispensing liquid agents such as oil or cutting agents to the die head or region of interest. The tools also include a member adapted for contacting an end face of a die head and transferring axial force thereto.

Abstract: A method for manufacturing a striking plate for a golf club head includes the steps of: providing a metal blank plate having a surface which includes a plurality of first machining zones displaced from each other by a corresponding one of a plurality of second machining zones, machining the first machining zones of the metal blank plate using a precise electrochemical machining device, and machining the second machining zones using the precise electrochemical machining device.

Abstract: An electrical discharge machining device for processing a workpiece by electrical discharges generated between a tool and the workpiece is provided.

Abstract: Laser soldering processes are disclosed. The laser soldering process includes beaming a lower-intensity laser beam from a laser soldering system at a first position, analyzing infrared feedback of the lower-intensity laser beam at the first position, and beaming a higher-intensity laser beam at a second position, the second position corresponding with the infrared feedback of the lower-intensity laser beam. The lower-intensity laser beam generates a lower temperature below a soldering temperature of a solder material and the higher-intensity laser beam generates a higher temperature above the soldering temperature.

Abstract: A gripper sensor device for aligning fine wires. The robotic gripper sensor device including a housing having a probe receiving cavity. A sensor probe is positioned in the probe receiving cavity. An arm of a positioning member includes a wire engagement section for engaging respective fine wires and a probe engagement section for engaging a portion of the sensor probe. As the wire engagement section is moved into cooperation with the wire, force is applied to the arm of the positioning member causing the probe engagement section to move relative to the portion of the probe, causing the probe to convert a stress change of the portion of the probe into a force reading.

Abstract: A rack manufacturing apparatus and a rack manufacturing method are provided. The rack manufacturing apparatus includes a first support portion configured to support a hollow or solid first bar on which first rack teeth are formed, a second support portion configured to support a hollow or solid second bar such that an axial center line of the second bar is aligned with an axial center line of the first bar, a base configured to cause the second support portion to approach the first support portion, and a rotary driving portion configured to rotate the second support portion about the axial center line of the second support portion relative to the first support portion so as to join an end portion of the first bar and an end portion of the second bar by a friction pressure welding.

Abstract: Embodiments of the present invention are generally directed to materials processing methods using femtosecond duration laser pulses, and to the altered materials obtained by such methods. The resulting nanostructured (with or without macro- and micro-structuring) materials have a variety of applications, including, for example, aesthetic applications for jewelry or ornamentation; biomedical applications related to biocompatibility; catalysis applications; and modification of, for example, the optical and hydrophilic properties of materials including selective coloring.

Abstract: Laser machining method, including: liquid supplying into rectifying chamber; rectifying chamber attenuating disturbances in flow of liquid supplied; liquid injecting into liquid oscillating chamber exclusively from one direction from liquid inlet port arranged on only one portion of sidewall of liquid oscillating chamber; liquid jetting as jet liquid column into air from nozzle; laser beam focusing on axis of nozzle and guiding to machining point by jet liquid column; surface wave of jet liquid column generating and gradually increasing in amplitude in direction away from nozzle; a body of jet liquid column atomizing when jet liquid column strikes workpiece on machining point. Liquid flows from oscillating chamber inlet path for guiding liquid from rectifying chamber to oscillating chamber inlet port, oscillating chamber inlet path guiding liquid along window from one direction of liquid oscillating chamber to oscillating chamber inlet port.

Abstract: A welding system is provided. The welding system includes a fixture, a plurality of pressure blocks, and a laser welder. The fixture is configured to grasp a roof panel and transition to an advanced position in order to align the roof panel with a roof rail along a weld line. The plurality of pressure blocks are movably secured to the fixture such that advancing the pressure blocks when the fixture is in the advanced position provides a compression force between the roof panel and roof rail along the weld line to prevent distortion during a welding operation. The laser welder is configured to weld the roof panel to the roof rail along the weld line.

Abstract: Disclosed is a method for repairing a sealing segments, formed at least partially in a monocrystalline fashion, of a flow channel wall of a turbomachine. At first a repair region of the sealing segment is established, independently of defects which may be present, and subsequently a part of a base material of the sealing segment is removed in the repair region. Subsequently a repair coating is deposited epitaxially in the repair region.

Abstract: A method for laser preparation of a coated substrate to be laser cut is provided. The method includes substantially removing a target portion of a polymer coating from a coated substrate by directing an ablative laser beam to the target portion, wherein the target portion of the polymer coating has a width of between about 10 ?m and about 6.0 mm.

Abstract: The present invention provides a coated solder material that is capable of preventing the advancement of oxidation of the surface during long-term storage and when melted, and that has excellent wetting extendability and bondability, without the occurrence of gaps in the bonded areas. A coating film is formed on the surface of a solder material; the coating film including a carbon compound that is formed by introducing an organic compound having a carbon number of 8 or less together with a carrier gas into a reaction gas that has been plasmatized under atmospheric pressure, and after a radicalized organic compound has been formed by radicalizing the organic compound, causing the radicalized organic compound to react with the metal on the surface of the solder material; the thickness of the coating film is 4 nm to 200 nm, and when heated at 150° C. to 300° C. and melted, the mass-reduction rate is 60% or greater.

Abstract: A fixture assembly for use with fine wire laser soldering. The fixture includes a holding and support fixture and a wire securing and tensioning fixture. The holding and support fixture has a wire holding member and a retention member. The wire holding member and the retention member cooperate with wires prior to the wires being soldered. The wire securing fixture has wire tensioning projections and wire retention members. The wire tensioning projections and wire retention members cooperate with the wires to provide tension to the wire prior to the wires being soldered.

Abstract: Method of repairing and manufacturing of turbine engine components includes application of a transition layer by fusion welding with dissimilar nickel based filler material, preferably comprising from about 0.05 wt. % to about 1.2 wt. % B and other alloying elements, followed by a diffusion and primary aging heat treatment and application of the top oxidation resistance layer using dissimilar nickel based filler materials comprised 3-6 wt. % Al, 0.5-6 wt. % Si, 12-25 wt. % Cr and other alloying elements that enhance strength and oxidation resistance followed by a secondary aging heat treatment and machining of the repaired area to restore geometry of turbine engine components. The inventions also relates to a turbine engine components repaired and manufactured by the method.

Abstract: The present invention relates to a component of a turbomachine with a repair layer and a method for repairing wear-damaged components (1, 10) of a turbomachine, in particular of elements of a flow duct boundary, having the following method steps: preparing the area to be repaired, in order to provide a smooth and clean surface (4), applying an Ni-based braze (7) with a proportion of hard material particles (8) to the surface (4) to form a repair layer (15), wherein the hard material particles comprise hard alloys based on cobalt or nickel, heat treating the component to braze the repair layer onto the component under vacuum conditions.

Abstract: Processes and systems for preparing pipe for machine processing to form pin and box ends for assembly into pipelines using mechanical press-fit pipe joints that are fully measured and documented during both manufacturing and assembly. Installed pipelines include pipeline data monitoring systems coupled to a pipeline data management center for receiving, archiving, and analysis of the data records to aid in administration, operation and management, and troubleshooting of pipelines.

Abstract: A feed unit for drilling and/or tapping comprising a housing, a quill in the housing movable between retracted and extended positions, the quill rotationally supporting a spindle for carrying a rotary tool, a screw for moving the quill between said positions, a ball spline shaft in the housing coaxial with the spindle, a ball spline nut having recirculating steel balls rolling in raceways on the ball spline shaft, the spindle radially supporting the ball spline shaft within the quill with zero clearance through the ball spline nut, rotation of the ball spline shaft being imparted to the spindle through the ball spline nut.

Abstract: Embodiments relate generally to milling machines and milling techniques, and more particularly, to apparatuses, milling machines and methods to control automatic loading and/or unloading of work pieces in relation to the adverse milling machine environments. In one embodiment, an apparatus includes a subset of guide members constituting a staging region, a loader member configured to impart a loading force unto the work piece to transition the work piece from the staging region, and an effector coupled to the loader member. The effector is configured to apply a cleaning force to a path in a first interval of time and is configured further to transfer the loading force from the loader member to the work piece in a second interval of time, and an alignment device configured to align the subset of guide members and the effector to form a portion of the path in a first mode.

Abstract: A power tool includes a drilling tool and a dust collector configured to be removably attached to the drilling tool. The dust collector includes a dust collector body, a passage part provided in the dust collector body and having elasticity, and a storing part configured to be removably attached to the dust collector body and to store dust. The passage part includes a drilling tool mounting port part configured to be connected to the drilling tool while pressing a specified region of the drilling tool, and a storing part mounting port part configured to be connected to the storing part while pressing a specified region of the storing part. Air containing the dust is led through the dust collector body to the storing part, and the air from which the dust has been separated in the storing part is led through the passage part into the drilling tool.

Abstract: A chatter avoidance method and device is provided, including steps of: providing a stable operating condition plot; partially removing a first layer of a workpiece with a predetermined first removal depth according to a safe removal depth of the stable operating condition plot and sensing a chatter caused by the removal operation; if no chatter is sensed, completing the removal operation, otherwise, continuing to partially remove the first layer with a second removal depth less than the predetermined first removal depth; and determining a minimum removal depth according to the removal operation, and removing a last layer of the workpiece with a last removal depth less than or equal to the minimum removal depth, allowing the workpiece to have a target thickness. The disclosure prevents a chatter from continuously occurring without requiring a shut-down and thereby maintains a desired production rate.

Abstract: A sanding apparatus for sanding a vicinity of a drywall seam is provided comprising a housing structure including guide structures, a sanding roller, and a motor for driving the sanding roller such that the guide structures guide a sanding depth during sanding. The sanding apparatus further includes a vacuuming mechanism for capturing particles that result from sanding.

Abstract: The smooth finish tool corrects pipe ends that need to be perpendicular to its length. A cylindrical guide wall has an open and closed end. The guide wall envelopes the pipe end. An abrasive surface, such as a sanding disc, is affixed to the closed end of the guide wall. The guide wall has a port or ports to allow material discard and air flow. Because of the rotational speed, friction and resultant heat will be created so air flow is necessary to prevent excess heat buildup. Since the guide wall will be dependent on the size of the pipe the user is sanding, the guide provides a stable applied-force angle. A shaft, such as an arbor, may allow for variably sized tool attachments. Once done finishing simply remove the guide from the pipe.

Abstract: A polishing apparatus is used for polishing a substrate such as a semiconductor wafer. The polishing apparatus includes a substrate holder to hold a substrate and to rotate the substrate, a pressing member configured to press a polishing tool against the substrate and to polish the substrate, a pressing force control mechanism configured to control a pressing force of the pressing member, and a polishing position limiting mechanism configured to limit a polishing position of the pressing member. A polishing tape or a fixed abrasive is used as the polishing tool.

Abstract: A computer-implemented method of generating reference spectra includes polishing a first substrate in a polishing apparatus having a rotatable platen, measuring a sequence of spectra from the substrate during polishing with an in-situ monitoring system, associating each spectrum in the sequence of spectra with a index value equal to a number of platen rotations at which the each spectrum was measured, and storing the sequence of spectra as reference spectra.

Abstract: A polishing processing method using a CMP method for polishing a surface of a crystal material to be smooth by using a loose polishing abrasive grain type polishing pad in the presence of a polishing liquid and a plurality of polishing abrasive grains, in which the crystal material is a single crystal of GaN, and the polishing liquid is an oxidizing polishing liquid having an oxidation-reduction potential between Ehmin (determined by Eq. (1)) mV and Ehmax (determined by Eq. (2)) mV and pH between 0.1 and 6.5: Ehmin (mV)=?33.9 pH+750 . . . (1) Ehmax (mV)=?82.1 pH+1491 . . . (2).