Abstract: A method of making a seamless, tubular article comprises subjecting a cast tubular workpiece of a corrosion resistant alloy to at least about a 25% wall reduction at a temperature below a recrystallization temperature of the workpiece using a metal forming process comprising at least one of radial forging, rolling, pilgering, and flowforming. The cast tubular workpiece is a centrifugally cast tubular workpiece comprising an inner diameter and an outer diameter.

Abstract: The invention describes a bending press and a production device and describes a method of operating such a press, including a workpiece handling device and including a central control device and a workpiece positioning device with a first arresting device and with at least one further arresting device with arresting fingers which are adjustable in an X axial direction extending perpendicular to a bending plane for positioning a workpiece on a first bending tool for a bending operation between the first bending tool and a second bending tool that is adjustable relative thereto. The arresting device has a carriage module and a finger carrier with the arresting finger, and at least one drive means for the adjustment of the arresting finger is formed by a servomotor activated by means of a measuring and controlling circuit of the control device.

Abstract: Press brake (1) comprising a top tool (2) and a bottom tool (3), for bending or pressing workpieces between said opposing tools; a displaceable upper beam (4), wherein the top tool (2) is mounted upon; a bottom beam (5), wherein the bottom tool (3) is mounted upon; a load bearing frame (61) mounted extending transversally, comprising a concave opening, wherein the bottom beam (5) is mounted on the bottom part; force means (7) mounted between the upper beam (4) and the upper part of the load bearing frame (61) for opposing the upper and lower tools (2, 3); an alignment frame (62) mounted extending transversally, comprising a concave opening, wherein the bottom beam (5) is mounted on the bottom part of the alignment frame (62); sliding means (8) mounted between the upper beam (4) and the upper part of the alignment frame (62).

Abstract: A method for manufacturing a workpiece 1, 2 uses a forming tool 4, 5 having a cavity 3. An embossing element 6 profiled on at least one surface is arranged on at least one surface of the forming tool 4, 5 for producing a surface structure, and with the profile of the embossing tool 6 is imparted to the surface of the workpiece 1, 2 during a forming process.

Abstract: The present application provides a hole reducing tool. The hole reducing tool includes a punch with a conical tip and a pilot and a slide hammer assembly attached to the punch.

Abstract: A method for producing a leaf spring having a leaf portion and an eye portion formed at the leaf portion including: forming a gap between a leading end of the eye and a facing surface facing the leading end, and shot peening an inner surface of the eye via a reflection member, wherein, at a cross section perpendicular to an axial direction of the eye portion, the leading end of the eye faces the facing surface so a straight line does not cross the leading end of the eye, the straight line connecting an intersection point and a center point of a reflection member surface, the intersection point being the intersection of a line perpendicular to the facing surface extending through an endpoint of the leaf side of the leading end of the eye to the surface.

Abstract: A process for the production of a thin walled metal detail (4) with an undercut (2), whereas a mold (1) is equipped with a first mold half (10) and a second mold half (20), characterized in that the first mold half (10) is equipped with a core (10a) and moveable core (11) the latter giving shape to said undercut (2) wherein, a) the mold (1) in the closed position is filled with metal melt allowed to set after which, b) the mold is (1) opened by withdrawing the second mold half (20) at which, c) the moveable core (11) is pushed out in unison with at least one ejector pin hereby ejecting the metal detail (4) from the mold (1) whereupon, d) the metal detail (4) is removed from the moveable (11) core.

Abstract: A method for making an equiaxed investment casting. The method utilizes an ultrasonic generator to send an ultrasonic pulse into molten metal in an investment casting mold. The investment casting mold is positioned within a working zone of furnace having low output induction coils for generating a convection current in molten metal. The ultrasonic pulse separates dendrites growing from the face of the mold inward into the molten metal. Instead, equiaxed grains can nucleate within the molten metal. In addition, the ultrasonic pulse and the low output induction coils circulate the molten metal as solute is rejected from solidifying equiaxed grains. The mixing reduces the effects of segregation in the solidifying alloy and assists in nucleating equiaxed grains.

Abstract: Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies relative to previous methods. Such materials are useful in electronic applications.

Abstract: A method of producing nano-metal powder by providing a process metal to be processed. Selecting a metal halide identical to the process metal. Placing the process metal and selected metal halide in a controlled environment so that vapor from the selected metal halide can contact and react with the process metal. Heating the selected metal halide to a selected temperature to achieve vaporization of the selected metal halide at a desired vapor pressure, wherein the selected temperature controls the evaporation rate of the selected metal halide and the rate the nano-metal powder is formed. Heating the process metal to a temperature below the melting point of the process metal. Providing contact between the vapor of the selected metal halide and the process metal to form the nano-metal powder and reform the selected metal halide.

Abstract: Methods for producing nanoparticles of metal alloys and the nanoparticles so produced are provided. The methods include addition of surfactant and cationic metal to a novel reagent complex between zero-valent metal and a hydride. The nanoparticles of zero-valent metal alloys produced by the method include ˜7 nm zero-valent manganese-bismuth useful in fabricating a less expensive permanent magnet.

Abstract: A cutting insert includes an insert body including an upper surface, a lower surface, a side surface connected to each of the upper surface and the lower surface, and a cutting edge located at an intersection of the upper and side surfaces. The insert body is divided into cutting and fixing sections. A region of the upper surface located at the cutting section includes a rake surface which is located further inward than the cutting edge and is inclined as going inward at an inclination angle ?1 with respect to a reference plane perpendicular to a central axis, and a plurality of protruded parts arranged along the cutting edge. Each of the plurality of protruded parts includes a first surface which is inclined as going inward at an inclination angle with respect to the reference plane and has a larger width as going inward in a top view.

Abstract: A lock installation system of template drill and router guides that clamp to the door to prepare doors for locking and latching devices of many different brands. The system uses changeable template drill guides clamped to the faces of the door to drill the cross hole and other specialty holes needed. The edge drilling is done with an attachment for the proper size bit or with a ¼ inch pilot hole and hole saw. The attachment also allows the pre-drilling of the screw holes for mounting the latch assembly. After removing the edge drill setup, there is a router template to cut the mortize for the latch for commercial locksets. There is an attachment for residential locks to router cut the mortize cut out for the latch assembly. The embodiment will work on beveled and square edge doors of the two most common back sets. The embodiment will do door edge center, off set drilling and latch assembly mortizing. There is also a means to help align the embodiment on a door that has a pre-existing preparation.

Abstract: A milling insert includes a polygonal tubular insert body which has: rake faces on one polygonal surface thereof, flanks composed of circumferential surfaces adjacent to the polygonal surface, and cutting edges defining a ridge line where the rake faces and flanks intersect each other as cutting edges. The rake faces have serrations where mount portions and valley portions are arrayed alternately to intersect the cutting edges. The ridge line has a waveform shape when the flanks are viewed from above. Bottom portions and top portions of the waveform are formed into concave circular arc portions and convex circular arc portions, respectively, and are alternately repeated. Both of the concave and convex circular arc portions are a ¼ circular arc or more to a ? circular arc or less. Each of the concave circular arc portions is unevenly located between the convex circular arc portions adjacent thereto.

Abstract: A double-sided cutting insert for milling, in particular for face milling, includes first and second cutting edges each having alternately disposed main lips and secondary lips which each extend between active and passive cutting corners. Each main lip, starting from a first distance from a reference plane at an active cutting corner, extends in a manner dropping monotonously to a smaller, second distance from the reference plane at a passive cutting corner. That end of a secondary lip that adjoins the active cutting corner is in each case at a greater distance from the reference plane than the other end of the secondary lip that is remote from the active cutting corner. A circumferential side surface has, immediately adjacent the secondary lips, in each case planar secondary flanks and each secondary lip is formed at least regionally in a convex manner in plan view of the associated secondary flank.

Abstract: An improved offset saw blade mounting assembly for use on a reciprocating power saw tool includes a shim member that is used to fill a central slot of the tool drive shaft. The shim member fills the slot and serves to reinforce the drive shaft and thereby reduce the likelihood of the drive shaft failing. The shim member may be a separate piece, or formed as part of a separate tubular insert, or integrally formed with the mounting block of the offset mounting assembly. A finger guard is also provided that substantially closes off any opening which may occur between the mounting assembly and the power tool.

Abstract: A method is disclosed for dressing a tool used for machining an internally toothed gear. The method includes meshing an internally toothed gear-like dressing gear, which is rotatable about the dressing gear rotation axis, with a barrel-shaped, screw-like grindstone. For machining an internally toothed gear, the outer diameter of the screw-like grindstone after dressing is estimated before dressing, the angle of intersection between a dressing gear rotation axis and the screw-like tool rotation axis is set on the basis of the estimated outer diameter of the screw-like grindstone after dressing, and dressing is performed with the dressing gear and the screw-like grindstone meshed with each other at the set angle of intersection between the axes.

Abstract: The present invention is equipped with a series circuit that includes a DC power supply, switching elements and a diode for supplying DC or AC current pulses to a machining gap between a machining electrode and a workpiece, diodes that regulate a direction of the current flow to one direction, and a control unit that controls the switching elements. When the control unit generates a current pulse having a triangular waveform by an inductance that is present in the series circuit, the control unit controls the switching elements in order that a current-pulse time ratio that is a ratio between the non-current time and the current continuation time in the current pulse is equal to or lower than 1/5.

Abstract: An electric-discharge machining device including an electric-discharge-state determination unit that determines whether an electric discharging state between a machining electrode and a workpiece is either a state of normal electric discharge or of abnormal electric discharge, and a machining-condition switching unit that changes at least one machining condition, further includes a storage unit that stores therein an electric-discharge-state determination indicator, a standard-deviation calculation unit, and a boundary calculation unit that calculates a boundary to be applied to a determination in the electric-discharge-state determination unit based on the electric-discharge-state determination indicator, wherein the machining-condition switching unit changes the machining condition according to a comparison result between the standard deviation calculated by the standard-deviation calculation unit and a standard deviation reference set as a reference of the standard deviation.

Abstract: A fill head apparatus includes at least one chamber for holding a fluid. The chamber has an outlet for expelling the fluid. A vacuum device has an inlet for a suction device adjacent to the fluid outlet. A plurality of flexible and resilient sealing devices contact a top surface of a workpiece. The sealing devices are positioned on opposing sides of the chamber outlet and on opposing sides of the vacuum device inlet, such that the sealing devices create at least a partial seal around a cavity defined by the workpiece and the cavity is beneath both the chamber outlet and the vacuum outlet.

Abstract: In the output control method for a consumable electrode arc welding power source, entire application range of an welding current is segmentalized into a plurality of current zones, a norm welding voltage value is set for each of the current zones, a welding current and a welding voltage are detected at each of minute cycles, the current zone which corresponds to a detected value of the welding current is selected, a fluctuation range is calculated with the norm welding voltage value of the selected current zone as a center value, a welding voltage limit value is calculated while the welding voltage detected value is limited to within the fluctuation range, and the output of the welding power source is controlled based on this welding voltage limit value.

Abstract: The present invention is directed to a welding-type power source that includes a power source housing and an engine arranged in the power source housing to supply electrical power. An energy storage device is included that is in rechargeable association with the internal combustion engine and arranged to provide welding-type power for at least a given period.

Abstract: A system and method is provided in which at least two welding power supplies are coupled to respective weld torches where the power supplies each provide a pulse welding waveform to their respective weld torches such that the welding pulses are out of phase with each other such that the respective welding pulses do not overlap during welding. The system also includes a ground current switch which switches the ground current path during welding to minimize arc interference and arc blow.

Abstract: In a multi-electrode welding torch, electrodes (2) are configured into a shape that has an arc-shaped curved surface area (R) in at least a portion of a cross-section thereof that is orthogonal to the longitudinal direction thereof. Collets (4) are each provided with a groove portion (4a) in which an electrode (2) is fitted, and whose inner wall surfaces (4b) come into contact in a plurality of locations with the curved surface area (R) when viewed in the longitudinal direction of the electrode (2).

Abstract: Mash seam welding is performed to weld metal plates with thicknesses of 2 mm or more to stabilize the strength of a joint portion, reduce uneven parts of the joint portion, and ensure high strength and reliability of the joint portion. First, two metal plates, clamped with first and second clamping devices, are placed to overlap each other at their end portions. The overlapping portions (L) of the metal plates are pressed together with a pair of upper and lower electrode wheels while welding currents flow to continuously weld the overlapping portions (L) and join the metal plates. The pressing forces applied to the electrode wheels are controlled so that upper and lower welding forces acting upon the overlapping portions are equal to each other during the time when the overlapping portions are continuously welded.

Abstract: A dual-wire hybrid welding system includes a hybrid welding apparatus having laser, electric arc welder and second wire feeding device. Electric arc welder includes first wire feeding device for feeding first wire. Second wire feeding device is arranged and disposed to feed a second wire to electric arc welder. Laser and electric arc welder are arranged and disposed to direct energy toward at least two adjacent components along a joint and first wire is a consumable electrode fed into joint to establish molten pool generated by both laser and arc welder with first wire. Second wire is fed to molten pool to form a common molten pool. Common molten pool is operable to provide a full penetration weld with less total heat input to join the at least two adjacent components without cracking the components at a high constant weld speed.

Abstract: A laser machining apparatus includes a laser nozzle for supplying an assistive gas to remove undesirable materials and applying a laser beam at an angle, which is inclined with respect to a surface of a workpiece, a sputter blocking jig disposed over a region of the workpiece that is irradiated with the laser beam, so as to lie across directions in which the laser beam is scattered, and for blocking sputtered particles that are generated from the surface by the applied laser beam, and a joint connecting the laser nozzle and the sputter blocking jig to each other. The joint moves the laser nozzle and the sputter blocking jig in synchronism with each other.

Abstract: A core ball wherein a junction melting temperature and a low alpha dose are set for suppressing a soft error generation and solving a mounting problem. A metallic powder as a core is a sphere. A pure degree of a Cu ball of the metallic powder is equal to or higher than 99.9% but equal to or less than 99.995%. A contained amount of one of Pb and Bi or a total contained amount of Pb and Bi is equal to or higher than 1 ppm. A sphericity of the Cu ball is at least 0.95. A solder plating film for coating the Cu ball comprises Sn—Bi based alloy. U contained in the solder plating film is equal to or less than 5 ppb and Th is equal to or less than 5 ppb. An alpha dose of the core ball is equal to or less than 0.0200 cph/cm2.

Abstract: In a method for assembling a component on a motor-vehicle body structure, a device is set with a manipulator into a condition of connection with a component placed in a pick-up position, according to a predetermined mutual positioning; the component is gripped with the device to connect the component thereto; the device connected to the component is carried with the manipulator to a motor-vehicle body structure that is located in a position, on a conveying line, upstream of a centre for welding or fixing the component on the body structure; the component is constrained with the device to the body structure according to a mutual positioning whereby the component comes to occupy the proper position of assembly; the device is supported with the body structure; and with the device supported by the body structure, the body structure is conveyed with the conveying line to the center.

Abstract: A material feeding includes a delivery assembly, a pushing assembly, and a positioning assembly. The delivery assembly deliveries workpieces. The pushing assembly is coupled to the delivery assembly and includes a cylinder. The positioning assembly includes a mounting piece and an engaging piece. The mounting piece is coupled to the cylinder and includes a slantwise slot. The engaging piece is adjacent to the delivery assembly and includes a shaft, the shaft inserts through the slantwise slot to couple the engaging piece to the mounting piece. The cylinder moves vertically to drive the mounting piece, the engaging piece moves horizontally related to the delivery assembly since the shaft slides along the slantwise slot, synchronously the cylinder pushes up the workpieces.

Abstract: The disclosure relates to the treatment of rods made of metal, particularly to the method of reclamation of used standard length rods, such as pump rods already used in the mechanical deep-pumping extraction of oil, as well as to the product made with the help of the mentioned method. The method of remanufacturing of standard length rods includes the reheating of the rod body to a temperature favorable for the plastic treatment of the rod such as plastic deformation of the rod body under pressure. Such methods allow for the reclamation of rods of the desired geometric form and enhancement of the mechanical properties of the remanufactured rod. The technical outcome of the claimed invention consists in the reclamation of rods of the desired geometric form and enhancement of the mechanical properties of the remanufactured rod.

Abstract: Methods and devices are disclosed for the optimization of shoulder arthroplasty component design through the use of computed tomography scan data from arthritic shoulders.

Abstract: The induction coil unit for heating a sleeve section of a tool holder holding the shaft of a rotation tool in a receiver opening in press fit comprises two coil units, whose distance can be changed selectively through at least one slanted surface cam assembly. A magnetic flux concentrator assembly with several concentrator elements distributed in circumferential direction is associated with the coil unit adjacent to the free end of the sleeve section. The width of a pass through opening defined by the concentrator elements for the tool shaft is also changeable through a control cam, to which the concentrator elements are coupled through a slanted surface cam assembly. The two slanted surface cam assemblies are coupled amongst each other in a useful manner in order to simplify the operation of the unit.

Abstract: Embodiments relate generally to milling machines and milling techniques, and more particularly, to devices, integrated circuits, computer readable media, 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, a method of operating a loader includes applying a cleaning force to portions of contacting surfaces of guide members at different times. The cleaning force originates within pairs of the guide members. The method can also activating a loader member to displace a work piece in a plane that includes the contacting surfaces of the guide members.

Abstract: Embodiments relate generally to milling machines and milling techniques, and more particularly, to devices, integrated circuits, computer readable media, apparatuses, milling machines and methods to automatically load and/or unload work pieces in relation to the adverse milling machine environments. In one embodiment, an apparatus includes a loader member configured to impart a loading force unto a work piece to position the work piece in a milling region. The apparatus can also include an effector configured to transfer the loading force from the loader member to the work piece and is configured further to apply a cleaning force to a path that the work piece traverses to the milling region. In some cases, the apparatus can include an ejector configured to remove a milled work piece from the milling region.

Abstract: Pipe machining apparatuses are provided. In some aspects, a pipe machining apparatus may include a hinge to allow two sections of the pipe machining apparatus to move relative to one another. In another aspect, a support member may be provided to support a pipe machining apparatus on a surface. In a further aspect, a support member may be provided that allows lifting of a pipe machining apparatus in either a horizontal position or a vertical position.

Abstract: A device for supplying a liquid cooling lubricant to a cutting edge of a lathe tool is operatively connected with a fast-tool servo by way of a tool holder in order to be able to execute oscillating movements in an advance direction in common with the tool holder. A first connection is stationary with respect to a housing of the fast-tool servo, for a cooling lubricant source and an outlet, which is in fluid connection with the first connection, for delivery of a cooling lubricant jet to the lathe tool. The outlet is provided at the tool holder and is in fluid connection with the first connection by way of a hose portion so that the cooling lubricant jet delivered via the outlet always impinges at a predetermined point on the cutting edge of the lathe tool even when stroke movements of the tool holder take place.

Abstract: A shape measurement data is acquired by measuring along a spiral measurement path a lens shape which is machined along a spiral machining path. An interpolated shape measurement data at intersecting points of a radial line passing through a center of the lens shape and the spiral measurement path is acquired by interpolating the shape measurement data, and a compensated machining amount for removing a machining error at each of the intersecting points (the machining points) is calculated from the interpolated shape measurement data by interpolation. Further, a machining point compensated machining amount at each of the machining points on the spiral machining path is calculated from the calculated compensated machining amount, and a compensated machining path is created on the basis of the machining point compensated machining amount.

Abstract: A contacting or non-contacting probe (2) is mounted to a spindle (6), preferably a tool spindle, of a machining device, such as a chamfering device (4), whereby it has a home position retracted out of the way of the machining (e.g. chamfering) process and an active position where it can contact a workpiece before or after the machining (e.g. chamfering) process.

Abstract: The invention relates to a method for centering grinding of workpieces, for example optical lenses by a grinding tool using an actuator for generating an advancing movement between the grinding tool and the workpiece, wherein the actuator and a current regulator for an actuator current which determines an advancing force of the actuator are integrated in a position control loop using a predetermined control cycle. For each control cycle: (i) a desired direction of movement (Rsoll(n)) of the advancing movement and an actual direction of movement (Rist(n)) of the advancing movement are ascertained; then (ii) the ascertained actual and desired directions of movement are compared to one another; and (iii) when the comparison results in a deviation between the actual and desired directions of movement, a predetermined current limit (Isollmax) for the actuator current emitted via the current regulator is decreased in a defined manner.

Abstract: A system for dressing centrifugal clutches has a drum tool with an internal abrasive surface, and a flap tool with abrasive flaps. The drum tool can replace the clutch drum on the clutch driven shaft to dress the clutch shoes, or the flap tool can replace the clutch shoes and mechanism on the clutch drive shaft, which may be the engine crankshaft, to dress the clutch drum. In either case, the tool being used and the component being dressed can accurately simulate the engagement of the clutch shoes and clutch drum in operation, so that the clutch drum and shoes can be accurately dressed to the correct shape, matching each other, for use.

Abstract: A method for breaking up Chemical Mechanical Polishing (CMP) slurry particles includes receiving a CMP slurry comprising particles suspended in a solution, placing the slurry into a first agitation tank, and agitating the slurry at a first frequency. The first frequency is selected to break up particles having a size within a specified range.

Abstract: The present application relates to polishing pads for chemical mechanical planarization (CMP) of substrates, and methods of fabrication and use thereof. The pads described in this invention are customized to polishing specifications where specifications include (but not limited to) to the material being polished, chip design and architecture, chip density and pattern density, equipment platform and type of slurry used. These pads can be designed with a specialized polymeric nano-structure with a long or short range order which allows for molecular level tuning achieving superior themo-mechanical characteristics. More particularly, the pads can be designed and fabricated so that there is both uniform and nonuniform spatial distribution of chemical and physical properties within the pads.

Abstract: A polishing head including, below a polishing head body, a rubber film held by a disk-shaped mid plate and an annular guide ring disposed around the rubber film holding the back surface of the workpiece on a lower face portion of the rubber film. The polishing head also includes a base member that is coupled to a polishing head body through an elastic film and holds the guide ring and the mid plate such that the lower surface of the guide ring does not contact the polishing pad during polishing. The polishing head and polishing apparatus, are operable in both of the rough polishing process and final polishing process, that can stably achieve predetermined high flatness and high polishing stock removal uniformity in polishing of a workpiece and can obtain a workpiece with fewer fine particles having a diameter of 45 nm or more.

Abstract: In a grinder, a motor is accommodated in a housing so that an output shaft faces forward, a paddle switch that turns on and off a drive switch of the motor is supported by the housing so that the paddle switch can be operated to move in a direction perpendicular to the output shaft of the motor, and a brake device that brakes rotation of the output shaft is provided on a front side of the motor in the housing. The grinder includes a cooperative mechanism that releases the brake device in response to a pushing operation of pushing the paddle switch toward the housing to turn on the drive switch.

Abstract: A dust collection cover may be made from resin for achieving a reduction in its typical weight. In such a configuration, a disk-shaped grinding stone for grinding a steel material is preferably not attachable due to interference of an attachment-restricting portion. It is preferred that only a cup-shaped diamond wheel for work that generally does not produce heated iron powder or the like is attachable.

Abstract: An apparatus for reclaiming abrasive blasting material comprises a prime mover, a vacuum pump and a separator unit for separating the abrasive blasting material in the contaminated abrasive blasting material from contaminants. The vacuum pick-up draws the contaminated abrasive blasting material. The separator unit includes a screening device for separating and reclaiming the abrasive blasting material. The screening device comprises a support member having a longitudinal axis and a transverse axis, and an endless flexible screen belt mounted to the support member so as to be movable along an endless closed loop in the direction of the longitudinal axis. The screen belt has a plurality of openings being sized to allow particles of the abrasive blasting material of a desired size to fall therethrough by gravity and to prevent the contaminants larger than the abrasive blasting material from falling therethrough.

Abstract: An abrasive article includes a substrate comprising an elongated body, a tacking layer comprising tin overlying the substrate, and a first type of abrasive particle comprising an agglomerated particle overlying the tacking layer.

Abstract: An abrasive article includes a base, an abrasive member comprising three distinct phases bonded to each other including abrasive particles, a metal matrix, and an infiltrant. The abrasive article further includes a backing region between the abrasive member and the base, wherein the backing region comprises a laser welded bond joint.

Abstract: An abrasive article configured to grind a workpiece having a fracture toughness of less than about 6 MPa·m ½ includes a body comprising abrasive particles contained within a bond material comprising a metal, wherein the body comprises a ratio of VAG/VBM of at least about 1.3, wherein VAG is a volume percent of abrasive particles within a total volume of the body and VBM is a volume percent of bond material within the total volume of the body, and wherein the abrasive particles have an average particle size of 1 to 45 microns.