Abstract: A polygonal cutting insert for right angle machining has opposed upper and lower surfaces, a peripheral side surface interconnecting the upper and lower surfaces and having curved first and fourth side surfaces and plane second and third side surfaces, and main and secondary cutting edges alternately formed along the outer peripheries of the upper and lower surfaces. The adjacent main and secondary cutting edges form a right angle therebetween. The first side surface adjoins the main cutting edge of the upper surface. The second side surface adjoins the secondary cutting edge of the lower surface. The third side surface adjoins the secondary cutting edge of the upper surface. The fourth side surface adjoins the main cutting edge of the lower surface. The cutting insert can be mounted on a milling cutter at a positive axial rake angle.

Abstract: A method of cutting a slot using an apparatus comprising a carriage that is movable along an axis, a cutting tool, and a depth controller. The cutting tool may be removably attached to the carriage. The depth controller may be used to select a cutting depth of the cutting tool with respect to a surface of a workpiece closest to a part.

Abstract: Pipe machining apparatuses, tool supports, and methods of operating pipe machining apparatuses are provided. In one aspect, a pipe machining apparatus includes a frame, a tool carrier coupled to and movable relative to the frame, and a tool support coupled to and movable with the tool carrier relative to the frame. The tool support is adapted to support a tool and move the tool in a first direction toward a pipe at a first increment and move the tool in a second direction away from the pipe at a second increment. The second increment is larger than the first increment.

Abstract: The invention relates to a pipe disconnecting device, comprising a disconnecting device, which has a rotary body. The rotary body comprises a tool carrier for a disconnecting tool. A protrusion projects transversely to the rotational axis of the rotary body away from the rotary body or away from the tool carrier. At least one handle is attached to the protrusion, the handle extending across a region of the surface of the protrusion and forming a reach-through opening between the handle and the surface of the protrusion for a hand reaching for the handle.

Abstract: An apparatus is configured for use with an electrode and a CNC machine tool. The apparatus includes a holder configured to hold the electrode in a position projecting outward from the holder, and a pull stud configured to mount the holder on the CNC machine tool. The apparatus further includes a driving mechanism that is operative to provide a motive force, and a coupling configured to couple the holder with the driving mechanism when the holder is not mounted on the CNC machine tool. The holder is configured to transmit the motive force from the coupling to the electrode in the holder to move the electrode outward of the holder.

Abstract: A wire machining method includes: a wire electrode set as cutting wires provided in parallel with a distance between the cutting wires of which a predetermined regional part faces a workpiece; a machining power source that generates a pulse-shaped machining voltage; and plural feeder units that are electrically connected to the plural cutting wires respectively of the wire electrode and supply the machining voltage between the cutting wires and the workpiece respectively. The feeder units are arranged such that a direction of a current passed to at least a part of the cutting wires becomes a direction different from a direction of a current passed to other cutting wires.

Abstract: A wear resistant multilayer overlay includes a first layer on at least a surface of an article, and a second layer metallurgically bonded to at least a portion of the first layer. The first layer includes a first continuous metallic matrix and at least one of first hard particles, blocky diamond particles, non-blocky diamond particles, TSP diamond, cubic boron nitride particles, and PCD compacts embedded in the first continuous metallic matrix, wherein the first hard particles are at least one of transition metal carbide particles and boron nitride particles. The second layer includes a second continuous metallic matrix and at least one of second hard particles, blocky diamond particles, non-blocky diamond particles, TSP diamond, cubic boron nitride particles, and PCD compacts, embedded in the second continuous metallic matrix, wherein the second hard particles are at least one of transition metal carbide particles and boron nitride particles. Related methods and articles of manufacture also are disclosed.

Abstract: 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.

Abstract: A semi-automatic brazing apparatus having a brazing wire feeding apparatus containing a brazing wire feed mechanism, a controller, and a user input device. The brazing wire from a brazing wire source is continuously drawn from the source through the apparatus via the feeding mechanism and is directed towards a brazing gun for a semi-automatic brazing operation.

Abstract: A system and method of starting a welding operation is provided where an electrode is advanced towards a work piece in a pulsed fashion and having a voltage level which will provide a first current when contact between the electrode and the work piece is made. After contact the electrode is retracted so that a welding arc is established and after the welding arc is established the current and wire feed speed is increased to a welding level.

Abstract: An arc welding method comprising the steps of accelerating a feeding speed of a welding wire to cause shorting between the welding wire and a base metal when a welding end signal is input during a period of arcing, retracting the welding wire backward thereafter until a wire retracting speed reaches a predetermined rate, controlling the wire retracting speed constant at this speed for a predetermined duration of time, then stopping the backward retraction of the welding wire, and then terminating a welding power output after supplying a predetermined amount of welding current for a predetermined duration of time starting from a time when opening of the shorting occurs during the backward retraction of the welding wire.

Abstract: An arc welder including an integrated monitor is disclosed. The monitor is capable of monitoring variables during a welding process and weighting the variables accordingly, quantifying overall quality of a weld, obtaining and using data indicative of a good weld, improving production and quality control for an automated welding process, teaching proper welding techniques, identifying cost savings for a welding process, and deriving optimal welding settings to be used as pre-sets for different welding processes or applications.

Abstract: An arc welder including an integrated monitor is disclosed. The monitor is capable of monitoring variables during a welding process and weighting the variables accordingly, quantifying overall quality of a weld, obtaining and using data indicative of a good weld, improving production and quality control for an automated welding process, teaching proper welding techniques, identifying cost savings for a welding process, and deriving optimal welding settings to be used as pre-sets for different welding processes or applications.

Abstract: In one embodiment, a system is provided with a welding wire feeder that includes a first wheel having a first rotational direction, and a second wheel having a second rotational direction opposite from the first rotational direction. The first and second wheels are disposed compressively about a wire feed region, and the first and second wheels are drivingly coupled together to output substantially equal tangential speeds in the wire feed region. In addition, the first wheel, or the second wheel, or both the first and second wheels comprise a drive wheel directly coupled to a gear without separately coupling both the drive wheel and the gear to a shaft.

Abstract: The present invention provides a method of production of electric resistance welded steel pipe able to stably reduce weld defects due to oxides by firing plasma and furthermore able to reduce plasma jet noise and comprises shaping steel plate 1 into a tube and electric resistance welding the abutting end faces 4 during which blowing on at least the abutting end faces 4a in the region 6 at the welding upstream side from the weld point 9 where the temperature becomes 650° C. or more a reducing high temperature (pseudo) laminar plasma obtained by applying voltage to a reducing gas containing H2 gas: 2 to 50 vol % to which is added a balance of Ar gas alone or a mixed gas of Ar gas to which N2 gas, He gas, or both are added. At that time, it is preferable to make the applied voltage over 120V and the make the plasma blowing conditions satisfy the following formula (1).

Abstract: Technologies related to electroslag welding are generally disclosed.

Abstract: A laser dicing method of a work piece on a surface of which a metal film is provided, includes: a first metal film removing of irradiating a pulse laser beam defocused from the metal film, along a first line, and removing the metal film; a second metal film removing of irradiating the pulse laser beam defocused from the metal film, along a second line orthogonal to the first line, and removing the metal film; and a crack forming of irradiating the pulse laser beam in an area from which the metal film of the work piece is removed, and forming the crack in the work piece, and, in an area in which the first line and the second line cross, irradiation of the pulse laser beam is interrupted in the first metal film removing or the second metal film removing.

Abstract: Systems and methods are provided for a torch power system using a multi-stage compressor. In one embodiment, a system includes a torch power unit that includes a compressor having multiple compression stages. A method of operation is provided that includes compressing a gas via a multi-stage compressor in a torch power unit. A method of manufacturing a torch power unit is provided that includes providing a multi-stage compressor for a torch power unit and mounting the multi-stage compressor inside an enclosure of the torch power unit. Another system is provided that includes a plasma cutting circuit, a multi-stage compressor, a motor coupled to the compressor, and a compressor controller.

Abstract: Described herein is a method for controlling the quality of a laser-welding process, for example, of laser welds of semifinished products constituted by elements of sheet metal of different thickness and/or properties (“tailored blanks”), of the type that comprises the steps of: detecting a radiation (E*) produced in the welding area and issuing signals (E*) indicating said radiation; acquiring and processing said signals (E*) indicating said radiation; making a division into blocks of said signals (E*) indicating said radiation; calculating for each block a block-mean value (u) and a value of block standard deviation (o); and in supplying input values comprising block-mean values (?) and values standard deviation (o) for identifying defects and/or porosities and insufficient penetration.

Abstract: A method of creating an easily torn material using laser etching, as well as articles produced therefrom is provided. As opposed to standard perforations, a laser is used to etch a line in a sheet of material. The line allows the material to be easily torn by a user, yet exhibits enough tensile strength to prevent tearing during regular use.

Abstract: An apparatus that can change an irradiating direction of the beam and a method of recognizing an irradiation-enabled area with respect to a processing course for a work piece. The method establishes an irradiation-enabled area at a focal length that corresponds to one point along the processing course, even when the beam irradiating device is moved away from the one point along the processing course of the work piece. The method further recognizes the irradiation-enabled area with respect to the one point along the processing course.

Abstract: A friction stir welding apparatus having a new cooling system that can cool a portion required to be cooled accurately and uniformly with a simple configuration, while suppressing unnecessary thermal expansion of a mounting jig includes a holding mechanism 20 having a holding member 22a movable with respect to a processing target member W so as to freely hold the processing target member W, in which the holding member 22a and a portion of a mounting jig 12 that can freely face the holding member 22a become paired, and a coolant supply source S that can freely supply a coolant to the paired holding member 22a and the portion of the mounting jig 12.

Abstract: A method for laser-cutting a carbon fiber substrate such as a preform is configured from fabric material comprising at least carbon fibers, characterized by cutting the carbon fiber substrate at initial conditions which have been set so that the state of the substrate that is being cut with a laser can be suppressed with or prevented from deviating from a target state. By the method, it is possible to effectively solve various problems such as dissipation of heat, positional shifting from the focal length range of the laser, and soot, and the carbon fiber substrate can be stably cut at the target desired state.

Abstract: A component connection is provided and includes, a first vehicle component, which has a male fixing element that projects from the first vehicle component and that partially or completely has the shape of a sphere or completely or partially has a sphere-like shape, and a second vehicle component, which has a female fixing element that is intended to receive the male fixing element. The male fixing element is inserted into the female fixing element in an insertion direction. The male fixing element has an excessive dimension relative to the female fixing element substantially perpendicularly to the insertion direction so that the two vehicle components are detachably clamped together at the fixing elements.

Abstract: A flexible fuel bladder structure for an aircraft includes one or more sleeves extending along an exterior of the fuel bladder. The one or more sleeves are receptive of one or more rods to at least partially suspend the fuel bladder in the aircraft. An aircraft includes a fuselage and a flexible fuel bladder disposed in the fuselage. One or more rods are installed through a portion of the fuel bladder and into a fuselage member. The flexible fuel bladder is at least partially suspended from the one or more rods. A method of installing a fuel bladder in an aircraft includes inserting a flexible bladder into a fuselage space of the aircraft. One or more rods are installed through one or more fuselage members and one or more sleeves of the fuel bladder. The one or more rods at least partially suspend the fuel bladder in the fuselage.

Abstract: An interconnection retaining a radome upon a periphery of a reflector dish has a plurality of curved channel portions, each of the channel portions provided with an open periphery slot and an open retention slot. The periphery slot dimensioned to receive the peripheries of the radome and reflector dish. The channel portions are arranged end-to-end adjacent to one another, encircling the peripheries of the radome and reflector dish seated within the periphery slot. A gap may be provided between one or more of the channel portions. A link member is seated within the retention slot at an end of each adjacent channel portion. The retention slot at the end of each of the adjacent channel portions is crimped upon the link member. The link member may be, for example, a portion of threaded rod or a molded portion of polymer material.

Abstract: A manufacturing device having a clamp unit according to an exemplary embodiment of the present invention may include a workpiece disposed on a frame, a clamp unit configured to fix the workpiece on the frame, and a spindle configured to a torque transferred from a motor to cut the workpiece or operates the clamp unit to make the clamp unit fix the workpiece on the frame.

Abstract: The invention relates to a tool for clamping using sides of workpieces, in particular to a tool for clamping and processing workpieces like boxes using sides of the box workpieces, belonging to the technical field of tools for clamping used in the processing center to process workpieces.

Abstract: A machine tool includes a lever arm extended from a column, a working spindle and a guiding member attached to the lever arm and having an upper guiding surface and a lower recess formed by an anchoring surface, the guiding surface is located farther away from the column as compared with the anchoring surface of the guiding member, a tool cartridge is attached to the lever arm for supplying tool elements to the working spindle, and includes a seat having a cam surface, a guiding roller attached to the seat for engaging with the guiding surface of the guiding member and for selectively separating the tool cartridge from the working spindle and the guiding member.

Abstract: The present invention is directed to a self-conditioning polishing pad. The self-conditioning polishing pad comprises an insoluble polymeric foam matrix and insoluble polymeric foam particles within the foam matrix. The particles are coated with a water-soluble component over a portion of the surface area of the particle. The particles may have a diameter in the range of 5 to 1000 microns in diameter.

Abstract: A manufacturing method of a carrier for a double-side polishing apparatus for polishing surfaces of a wafer, the carrier having: a carrier body arranged between upper and lower turn tables, the carrier body having a holding hole for holding the wafer; and a ring-shaped resin insert arranged along an inner circumference of the holding hole, the resin insert having an inner circumferential surface to be brought into contact with a peripheral portion of the wafer to be held, the method having the steps of attaching, to the holding hole of the carrier body, a base material for the resin insert not having the inner circumferential surface to be brought into contact with the wafer to be held, and performing inner-circumferential-surface-forming processing on the base material for the resin insert to form the inner circumferential surface to be brought into contact with the peripheral portion of the wafer to be held.

Abstract: A method and apparatus for chemical mechanical polishing of substrates, and more particularly a method and apparatus related to a carrier had for use in chemical mechanical polishing is provided. In one embodiment the carrier head assembly comprises a base assembly for providing support to the substrate, a flexible membrane mounted on the base assembly having a generally circular central portion with a lower surface that provides a substrate mounting surface, and a plurality of independently pressurizable chambers formed between the base assembly and the flexible membrane, comprising an annular outer chamber and a non-circular inner chamber, is provided.

Abstract: Methods, apparatus, and systems are provided for retaining a substrate in a polishing head of a CMP system. The invention includes a flexible inner retaining ring adapted to contour to an edge of a substrate and an inner ring support coupled to the polishing head. The inner support ring is adapted to contact the flexible inner retaining ring in response to a side force load applied to the flexible inner retaining ring by a substrate being polished. Numerous additional aspects are disclosed.

Abstract: A rough grinding process grinds the workpiece W supported by the supporting device by the rough grinding wheel until a preset stock amount for finish grinding remains, and then the finish grinding process finish grinds the stock amount while the workpiece W is continuously supported by the supporting device. The stock amount for finish grinding is set based on at least one of a thermal displacement of the multifunction grinding machine and a changing amount of grinding force of the rough grinding wheel. A profile remaining the stock amount for finish grinding is a profile not depending on a profile of the rough grinding wheel.

Abstract: A finishing device for finish-machining of a workpiece includes a force-generating device for generating a driving force, a force-transmitting arm and a pressing device for applying a working force to a finishing tool, and further a measuring device for measuring a deformation of a segment of the force-transmitting arm arranged in the force flux between the driving force and working force and/or for measuring a deformation force applied in the segment.

Abstract: With the center position CP of a support shaft 6 supporting a grinding wheel 4 being a reference, a provisional grinding start position S0? for a first workpiece 2 is calculated, based on a diameter ID of the first workpiece 2 before grinding, a diameter WD of the grinding wheel, a grinding completion position S4 on the first workpiece after the grinding, and an actual grinding start position S0 of the grinding wheel before grinding in second and subsequent grinding. S0 is determined by performing the grinding by moving the grinding wheel from S0? and by moving the grinding wheel away from the first workpiece by a distance corresponding to S4 near the grinding completion position S4. S0? is set by a calculation, S0?=ID?WD?S4?S?, considering an allowance S? between S0 and S0?.

Abstract: Abrasive-delivery apparatuses for use in abrasive-jet systems and associated apparatuses, systems, and methods are disclosed. An abrasive-delivery apparatus configured in accordance with a particular embodiment includes a first funnel segment and a second funnel segment downstream from the first funnel segment. The first funnel segment can have a first inlet, a first outlet, and a first interior region extending between the first inlet and the first outlet. Similarly, the second funnel segment can have a second inlet, a second outlet, and a second interior region extending between the second inlet and the second outlet. The first interior region can have a first inward taper toward the first outlet, and the second interior region can have a second inward taper toward the second outlet. The second inward taper can be steeper than the first inward taper when the abrasive-delivery apparatus is vertically oriented.

Abstract: A clamping mechanism for surface blasting of workpieces includes a base seat, a following assembly and a linking assembly. The following assembly is mounted on the base seat. The linking assembly is mounted on the following assembly, in which the linking assembly includes a lower rod, an upper rod, at least two linking bars and a plurality of loading members; the lower rod, the upper rod and the at least two linking rods cooperatively forming a four-bar linkage mechanism. The plurality of loading members are fixed to the at least two linking bars, such that the plurality of loading members are capable of turning over workpieces for surface blasting without requiring any positional readjustment of the workpieces by hand.

Abstract: A segmented profiled wheel for grinding a glass or non-metallic workpiece including a segmented abrasive portion formed of a plurality of abrasive segments that are attached to a core of the wheel and method for making same. The plurality of abrasive segments have a cutting surface profile and sufficient abrasive grit to contour and grind the workpiece. Terminal ends of the plurality of abrasive segments are adjacent to one another and the cutting surface profiles align to form a substantially continuous rim of profiled abrasive segments for substantially continuous contact with a workpiece while the wheel rotates. The method includes the steps of forming the plurality of abrasive segments having a metal bonding matrix using automated processes, machining a metal blank to form a core, and attaching the plurality of abrasive segments to the core by laser welding and/or brazing.

Abstract: A method for manufacturing a polishing pad, which may be laminated, with a small number of manufacturing steps, high productivity and no peeling between a polishing layer and a cushion layer includes preparing a cell-dispersed urethane composition by a mechanical foaming method; continuously discharging the cell-dispersed urethane composition onto a face material, while feeding the face material; laminating another face material on the cell-dispersed urethane composition; curing the cell-dispersed urethane composition, while controlling its thickness to be uniform, so that a polishing layer including a polyurethane foam is formed; cutting the polishing layer parallel to the face into two pieces so that two long polishing layers each including the polishing layer and the face material are simultaneously formed; and cutting the long polishing layers to produce the polishing pad.

Abstract: A grinding wheel assembly has a support disk centered on an axis and having an outer edge and a pair of axially opposite faces. An annular abrasive ring is juxtaposed with the outer edge, and a flexible hinge formation joins the ring to the outer edge of the disk at one of the faces. An actuator body of controlledly radially variable dimension joins the ring to outer edge of the disk at the other of the faces for deforming the ring and flexing the hinge formation so as to vary a shape of an outer face of the ring radially of the axis. Thus with this system the exact shape of the outer face of the abrasive ring can be controlled remotely. The control can be very accurate, and can be monitored by sensors in a feedback system to ensure exact position of the outer ring surface.

Abstract: A multi-stage hand-held sharpener includes a handle with an outer grip surface, and a first sharpening stage incorporated into the handle having a first abrasive surface. The first sharpening stage is adapted to facilitate a primary sharpening operation by a user upon a tool responsive to the user contactingly advancing a cutting edge of the tool against the first abrasive surface. A second sharpening stage includes a guide surface which extends in a non-orthogonal direction adjacent a second abrasive surface to establish a reference angle. The second sharpening stage facilitates a secondary sharpening operation by the user upon the tool responsive to the user contactingly engaging a side of the tool with the guide surface to orient the tool at said reference angle, and advancing a cutting edge of the tool against the second abrasive surface while maintaining the tool at said presentation angle.

Abstract: Vises utilizing a threaded screw and nut to translate rotary motion of the screw into linear relative movement of vise components. The nut may be a half-nut urged into contact with the screw by a cam that may be operated by a lever located near the handle for turning the screw. A tail vise embodiment may be mounted to the underside of a workbench without signification bench modification and positions the screw near the front edge of the bench top. A front vise embodiment may include a screw cover to protect workpieces from contact with the screw.

Abstract: A multiple use fitters tool assembly provides multiple tools used by pipe fitters in a single convertible unit. The assembly includes a pair of elongated arms pivotally coupled together defining an upper handle, a lower handle, an upper jaw, and a lower jaw defining a pipe wrench. A tool slot extends into the pipe wrench. Each of a plurality of extendable tools is pivotally coupled to the pipe wrench in the tool slot and pivotable between an extended use position and a storage position. Selectable pairs of first and second gripping surfaces are couplable to the upper jaw and the lower jaw. A storage void extends into the pipe wrench. Each of the first gripping surfaces and the second gripping surfaces is selectively couplable to the pipe wrench in the storage void when not coupled to the upper jaw and the lower jaw.

Abstract: A driving tool having first and second linear motors, a head assembly, a nosepiece and a driver. The first linear motor forms an air compressor and includes a scotch yoke mechanism for translating a first piston in a first cylinder. The scotch yoke mechanism includes a crank arm, a crank arm roller, which is coupled to the crank arm, and a connecting rod having a roller slot into which the crank arm roller is received. At least a portion of the roller slot is configured to vary an output rate at which the connecting rod translates along a translation axis relative to an input rate at which the crank arm roller moves in a direction that is parallel to the translation axis.

Abstract: A power tool is disclosed. The power tool includes a striker, a guide tube in which the striker is guided along an axis, and a pneumatic chamber, which is closed by the striker, the guide tube and a valve device actuated by its own medium. A volume of the pneumatic chamber changes in the case of a movement of the striker along the axis. The valve device has a swivelable sealing element between the striker and the guide tube. The swivelable sealing element is swiveled into a retracted position when the striker moves in the impact direction and is swiveled into an extended position when the striker moves against the impact direction. In the retracted position, the sealing element has a first inflow surface. In the extended position, the sealing element has a second inflow surface. The second inflow surface is larger than the first inflow surface.

Abstract: The invention relates to a hand-held demolition tool (1) comprising a cylinder (2), a rear handle (6) and a flexible coupling (4) for the flexible connection of the cylinder (2) and the rear handle (6). According to the invention, the flexibility of the coupling (4) is arranged such that it allows flexibility only in the property pivot action between the cylinder (2) and the rear handle (6) around a rigid theoretical axis (9).

Abstract: A battery pack of an electric power tool comprises ten lithium-ion cells. The ten lithium-ion cells are connected in series. Each lithium-ion cell has a diameter equal to or less than 18 millimeters, a length equal to or less than 65 millimeters, and an internal resistance equal to or less than 30 milliohms. Because the battery pack has a high voltage in operation and is therefore able to supply large current, the battery pack is preferably configured incapable of being used in a conventional electric power tool that cannot operate under such a large current.

Abstract: An emergency actuating tool for at least one equipment component which is specific to a vehicle with a movable roof arrangement, has at least one tool head for the equipment component, which tool head has an actuating element. For an alternative embodiment of the emergency actuating tool, it is provided that the emergency actuating tool has, moreover, at least one second tool head which has a second actuating element, that the emergency actuating tool is configured in multiple pieces, such that it can be assembled and at least partially dismantled, and that a third tool head with a third actuating element can be exposed by the dismantling of the emergency actuating tool.

Abstract: An industrial long handled tool component system is provided having interchangeable tool heads, connectors, handles and grips. The novel connector system provides a polygonal locking bar concentric with a round outer reinforcing collar both engaged by a material connector insert and separated by plastic isolations seals. The novel connector promotes connection integrity and prevents joint movement. An alternate embodiment provides a connector system without the collar to save weight and manufacturing cost.