Abstract: A pocket hole jig for locating pocket holes in a workpiece includes a base with a base plate and first and second side walls extending along the base plate, and a body disposed between the first and second side walls and slidable along the base in a forward direction and a rearward direction. The body includes a drill bit aperture angled downward toward the base plate. The pocket hole jig also includes a fastener configured to releasably couple the pocket hole jig to an adjacent second pocket hole jig.

Abstract: A cutting tool rotatable about a tool axis, having a cutting body and at least one indexable, single-sided cutting insert removably secured in an insert receiving pocket of the cutting body. The cutting insert has opposing upper and lower surfaces with a peripheral side surface extending therebetween and a central axis passing therethrough. First and second clamping bores extend between and open out at the upper and lower surfaces. First and second primary cutting edges are formed at the intersection of the upper surface and the peripheral side surface. The lower surface includes first and second annular recesses communicating with the first and second clamping bores, respectively, and first and second recess channels extending from the first and second clamping bores, respectively, to the peripheral side surface. The first and second recess channels extend parallel to a longitudinal first plane containing the central axis.

Abstract: A wire electrical discharge machine includes: an electrode unit for supplying a machining current to an electrode gap; a switch for changing impedance between a machining power source and the electrode unit; and a controller for, at the time of a core retaining process, controlling the switch to set the impedance to be higher than the impedance in a cutting process and thereby suppressing the machining current flowing through the electrode gap.

Abstract: A heat exchanger includes multiple aluminum heat transfer tubes through which a heat medium flows, and multiple aluminum connection pipes brazed to end portions of the heat transfer tubes. A heat equalizing member formed of a heat conductor is disposed to be in contact with at least two of the connection pipes and be capable of transferring heat therebetween. A method for producing the heat exchanger includes brazing the heat transfer tubes to the connection pipes in a state where the heat equalizing member is in contact with the at least two of the connection pipes.

Abstract: A brazing method includes shaping a clad sheet to form a hollow structure. A tube is then partially inserted into a through hole in the hollow structure, thereby forming an assembled aluminum structure. The exterior surface of the hollow structure adjacent the through hole is composed of an Al—Si alloy that serves as a first filler material. The interior surface of the hollow structure adjacent the through hole is composed of an Al—Si alloy containing at least one of Cu and Zn and having a solidus temperature of 570° C. or less that serves as a second filler material. The assembled aluminum structure is brazed by heating it in an inert-gas atmosphere such that fillets joining the hollow structure to the tube along the through hole are formed first on the interior surface of the hollow structure and then on the exterior surface of the hollow structure.

Abstract: A fixture includes a base with a bottom and a rim, a clamp with an exterior in a shape of a portion of a clamp sphere and a component space that is wholly within the clamp sphere, wherein the clamp is positioned such that the clamp exterior is in contact with the rim.

Abstract: A welder power supply and welding method are provided which utilizes a short arc welding method in which the waveforms have a positive polarity portion and negative portion to optimize heat input and provide heat and current control.

Abstract: A welder power supply and welding method are provided which utilizes a short arc welding method in which the waveforms have a positive polarity portion and negative portion to optimize heat input and provide heat and current control.

Abstract: A welder power supply and welding method are provided which utilizes a short arc welding method in which the waveforms have a positive polarity portion and negative portion to optimize heat input and provide heat and current control.

Abstract: A welder power supply and welding method are provided which utilizes a short arc welding method in which the waveforms have a positive polarity portion and negative portion to optimize heat input and provide heat and current control.

Abstract: A system includes an engine configured to drive a generator to produce a first power output, and a first inverter communicatively coupled to the generator. The first inverter is configured to convert the first power output into a second power output. The system includes a second inverter communicatively coupled to the generator. The second inverter is configured to convert the first power output into a third power output. The third power output includes a welding power output.

Abstract: Apparatus and methods are disclosed of a welding-type power source that includes a welding-type power source connected to a multi-mode power output circuit, a controller to receive an input from the welding-type power source and output a control signal to the multi-mode power output circuit. The controller is configured to identify whether a load at the multi-mode power output corresponds to a welding mode or a battery charging mode. The controller is also configured to control the multi-mode power output circuit to condition the power from the welding-type power source based on the identified one of the welding mode or the battery charging mode.

Abstract: Apparatuses, systems, and/or methods for providing welding systems or portions of welding systems that provide a tip-retention device that is configured to direct gas radially towards a contact tip.

Abstract: Apparatus, systems, and/or methods for providing welding systems or portions of welding systems that provide a tip-retention device that is configured to direct gas radially towards a contact tip.

Abstract: Provided are a simple and effective friction welding method that can suppress increases in hardness of the welded part and reductions in hardness (strength) in the heat affected zone regardless of the composition of ferrous material, and a welded structure obtained with the same. The present invention relates to a friction welding method wherein surfaces to be welded of two metal members (2, 4) to be welded are made to slide in contact with each other. The friction welding method is characterized in that at least one of the metal members (2, 4) to be welded is a ferrous material, and the maximum temperature reached during welding is equal to or less than the A3 point or equal to or less than the Acm point of the ferrous material. The maximum temperature reached during welding is preferably equal to or less than the A1 point of the ferrous material.

Abstract: In a method of friction stir welding two pieces of material of greatly differing melting temperatures, provision is made that the first piece of material is overlapped by the second piece of material. The rotating pin of the friction stir welding tool provides for a butt joint welding and an overlap welding at the same time in that the pin is moved along the face side and contacts it either not at all or at most to a minimum extent. The same also applies to the planar side of the first piece of material, which is overlapped by the less stable piece of material.

Abstract: Disclosed herein is a laser processing apparatus for forming a separation layer inside an ingot by applying a laser beam to an end surface of the ingot in the condition where the focal point of the laser beam is set inside the ingot, the laser beam having a transmission wavelength to the ingot. The laser processing apparatus includes a holding unit for holding the ingot, a moving unit for moving the holding unit in a direction parallel to the end surface of the ingot held by the holding unit, a laser beam applying unit for applying the laser beam to the ingot held by the holding unit, an imaging unit for detecting the position of the ingot in the direction parallel to the end surface of the ingot, and a height detecting unit for detecting the height of the end surface of the ingot held by the holding unit.

Abstract: Wafers are aligned with one another by reference to features formed on or in each wafer. Notches are formed in each wafer, including a pivot-notch that allows for two-point contact, and a stop-notch that provides for single-point contact. A bias-notch is formed for pressing the wafers into engagement with the two-contact element when it is in the pivot-notch and with the single-contact element when it is in the stop-notch. The wafers may be bonded to one another to maintain the alignment of the referenced features.

Abstract: A laser device includes a light-emitting unit that generates a laser beam, an amplification unit that amplifies the laser beam generated by the light-emitting unit, a power supply unit that supplies power for generating the laser beam to the light-emitting unit, a plate-like cooling unit including a first cooling surface and a second cooling surface positioned opposite to the first cooling surface, and a housing in which the light-emitting unit, the amplification unit, the power supply unit, and the cooling unit are housed. The power supply unit and the light-emitting unit are arranged adjacent to the first cooling surface of the cooling unit. The amplification unit is arranged adjacent to the second cooling surface of the cooling unit.

Abstract: An optical beam delivery device is formed of optical fibers configured for beam divergence or mode coupling control. An incident optical beam propagates through a first length of fiber, which is coupled to a second length of fiber and has a first refractive index profile (RIP). The first RIP enables, in response to an applied perturbation, modification of the beam characteristics of the incident optical beam to form an adjusted optical beam having modified beam characteristics relative to beam characteristics of the incident optical beam. The second length of fiber is formed with one or more confinement regions defining a second RIP and arranged to confine at least a portion of the adjusted optical beam. The second and first lengths of fiber are tapered in the direction of light beam propagation to control output beam divergence or susceptibility to beam mode coupling in the first length of fiber, respectively.

Abstract: An optical beam delivery device. The device comprises a first length of fiber comprising a first RIP formed to enable the adjusting of one or more beam characteristics of an optical beam by a perturbation device. The optical beam delivery device further comprises a second length of fiber having a proximal end for receiving the optical beam from the first length of fiber and a distal end. The proximal end is coupled to the first length of fiber. The second length of fiber comprises a second RIP formed to confine at least a portion of the optical beam within one or more confinement regions. A beam modification structure is disposed at, or a distance from, the distal end of the second length of fiber. The beam modification structure is configured to modify at least one property of the optical beam chosen from beam divergence properties, beam spatial properties and beam directional characteristics.

Abstract: In a laser machining machine (1) for laser welding of workpieces, in particular for lap welding of DBC structures, comprising a laser beam generator for generating a laser beam and an optical imaging system for imaging the laser beam into a machining plane, according to the invention, the optical imaging system comprises an optical beam-shaping system, which images the laser beam in the machining plane with an imaging depth (?d) of at least ±2 mm, preferably of at least ±5 mm, in such a way that the radial power density distribution (Pr) of the laser beam is bell-shaped along the imaging depth (?d) in each plane at right angles to the beam axis and the maximum values (Pmax) of these bell-shaped power density distributions (Pr) along the imaging depth (?d) vary in relation to one another by less than 10%, preferably by less than 5%.

Abstract: The invention concerns a process for treating a workpiece, preferably for shaping a workpiece by ablating material, by a liquid jet guided laser beam.

Abstract: A method of laser welding a workpiece stack-up (10) that includes at least two overlapping aluminum workpieces (12, 14), at least one of which includes a protective anti-corrosion coating (38), is disclosed. The disclosed method includes advancing the laser beam (56) relative to the top surface (26) of the workpiece stack-up (10) along a travel path (78, 78?, 78?, 78??) that imposes bidirectional movement of the laser beam (56). In particular, the laser beam (56) moves in a forward direction (80) while also moving back and forth in a lateral direction (82) oriented transverse to the forward direction (80) as it is being advanced relative to the top surface (26). Such bidirectional movement is believed to help disturb the protective anti-corrosion coating (38) in and around the molten aluminum weld pool (74), thus leading to a laser weld joint (68) that contains less weld defects derivable from the protective anti-corrosion coating(s) (38).

Abstract: Supports for additive manufacturing systems are disclosed. The supports positioned on a build plate of the additive manufacturing systems may include a build surface, a side surface positioned adjacent the build surface, and an outlet opening formed through the build surface. The outlet opening may be configured to be in fluid communication with an aperture formed through a surface of a component built above the build surface. The support may also include an inlet opening formed through one of the build surface or the side surface, and a conduit fluidly coupling the outlet opening and the inlet opening.

Abstract: Disclosed herein are methods, apparatus, and systems for a multi-operation optical beam delivery device having a laser source to generate the optical beam. A beam characteristic conditioner that, in response to a control input indicating a change between the different laser process operations, controllably modifies the beam characteristics for a corresponding laser process operation of the different laser process operations. A delivery fiber has an input end coupled to the beam characteristic conditioner and an output end coupled to a process head for performing the corresponding laser process operation.

Abstract: A laser processing apparatus includes: a chuck table that holds a packaged wafer by a holding surface; a laser processing unit that applies a laser beam to the packaged wafer to form a through-groove along each division line; an X-axis moving unit that moves the chuck table in an X-axis direction; and an examination unit. The chuck table includes: a holding member that forms the holding surface; and a light emitting body. The examination unit includes: a line sensor that extends in a Y-axis direction; and a control unit that determines the result of processing through reception by the line sensor of light from the light emitting body through the through-groove. The line sensor images the whole surface of the packaged wafer being held by the chuck table.

Abstract: A device for cutting sheet metal plates out of a sheet metal strip includes a laser cutting device moving back and forth in a transport direction of the sheet metal strip and a y-direction running perpendicular to the transport direction, a first conveyor belt having first end moving back and forth together with the laser cutting device in the transport direction, a second conveyor belt having a second end opposite the first end and moving back and forth in the transport direction. The first and second ends are moved such that a laser beam generated by the laser cutting device is directed towards a gap formed between the first and second ends and extending in the y-direction. In order to avoid adhesions to an underside of the sheet metal strip, at least one support strip and/or the dust discharge shaft is provided with a ventilation device for ventilating the gap.

Abstract: The present disclosure relates to a severing device for mechanically severing metal-containing 3D objects from a base plate of a 3D printing apparatus. According to the present disclosure, the severing device has at least one first machining unit firmly connectable to the 3D printing apparatus with at least one machining tool which has a working zone which encompasses at least part of an area of the base plate.

Abstract: A solder alloy essentially consists of tin, silver, copper, bismuth, antimony, and cobalt; relative to a total amount of the solder alloy, the silver content is 3 mass % or more and 3.5 mass % or less, the copper content is 0.4 mass % or more and 1.0 mass % or less, the bismuth content is 3.5 mass % or more and 4.8 mass % or less, the antimony content is 3 mass % or more and 5.5 mass % or less, the cobalt content is 0.001 mass % or more and 0.1 mass % or less, the tin content is the balance; and a total of the bismuth content and the antimony content is 7.3 mass % or more and 10.3 mass % or less.

Abstract: The present invention provides an aluminum alloy brazing sheet for electric resistance welding, which has high strength while being thinned and can reduce the occurrence of welding defects in the electric resistance welding. Disclosed is an aluminum alloy brazing sheet for electric resistance welding, including a core layer and a brazing filler layer cladded on at least one surface of the core layer, wherein the brazing filler layer is made of an aluminum alloy comprising Si: 5.5 to 12.0% by mass, and at least one of Na: 0.0003 to 0.0030% by mass and Sr: 0.0020 to 0.1000% by mass, with the balance being Al and inevitable impurities, wherein the brazing filler layer in a molten state at 650° C. exhibits a viscosity of 0.01 Pa·s or less.

Abstract: A universal approach is described to produce welding filler materials with enhanced grain refining, for making welded objects with hot-crack resistance. Some variations provide a welding filler material comprising a functionalized metal-containing powder, wherein the functionalized metal-containing powder comprises metal or metal alloy particles and a plurality of nanoparticles disposed on surfaces of the metal or metal alloy particles, and wherein the nanoparticles are consolidated in a three-dimensional architecture throughout the welding filler material. A welded object contains a welding filler material comprising the functionalized metal-containing powder, enabling the welded object to be free of hot cracks. Other variations provide methods of making a welding filler material. This approach has been successfully demonstrated by incorporating zirconium-based nanoparticle grain refiners within a welding precursor material for welding aluminum alloy Al 7075, as one non-limiting example.

Abstract: The present applicant presents a structure intended for high temperature use above 30° C. comprising multiple components having metal-to-metal or metal-to-ceramic contacting surfaces wherein the surfaces are joined by a braze composed of pure aluminum. Anticipated devices include but are not limited to igniters as well as electronic applications in the automotive and aerospace industries.

Abstract: A wear-resistant member production method includes: forming a clad layer by moving, relative to a substrate while feeding cladding powder onto the substrate and melting it using a local heating device; and cutting the clad layer. The cladding powder includes matrix powder containing a copper-based alloy, and hard powder including, as a hard phase, a silicide containing one or more elements selected from Cr, Fe, Co, Ni, and Cu, and one or more elements selected from Mo, W, and Nb. The hard powder includes first hard powder and second hard powder. The second hard powder is fed, separately from the first hard powder, to a melt pool formed by melting the first hard powder and the matrix powder, such that at least part of the second hard powder remains unmelted within the clad layer.

Abstract: A body component has a side edge, which extends in a longitudinal direction and on which at least one pre-fastening device is formed. The pre-fastening device has a section that protrudes from the side edge in a transverse direction, on which section a tab pointing toward the side edge is formed. The tab can be bent in a vertical direction perpendicular to the longitudinal direction and is configured to be able to engage behind a frame edge of a vehicle frame part in a pre-fastening manner.

Abstract: Disclosed herein is a welding station for holding a workpiece, comprising: (a) a base; (a) purge gas manifold, operatively connected to the welding station, or incorporated into the base, to act as a conduit for an unreactive or passivating purge gas; (c) a rotatable chuck stage for holding the workpiece, comprising a purge gas outlet, and having a first axis of rotation that allows the workpiece to swing into place at a desired angle, and a first detent to lock the motion of the rotatable stage once the desired angle in the first axis of rotation is attained.

Abstract: A combined cam shaft assembling method comprises the following steps: A, grinding the outer diameter of a steel pipe (2) to specified precision, and machining an inner hole of a cam sheet (1) and a signal disc to specified precision; B, pre-installing the cam sheet (1) and the signal disc onto the steel pipe (2) according to a specified sequence, distance and angle; C, utilizing a tension part (3) to penetrate through the steel pipe (2), ensuring the steel pipe (2) to be expanded, so as to fix the cam sheet (1) and the signal disc onto the steel pipe (2) and reach a specified torque. The method is carried out through a combined cam shaft assembling device. By adopting the tension part (3) to expand the steel pipe (2), the steel pipe (2) and the cam sheet (1) can be rapidly combined, the cam sheet (1) and the signal disc can be clamped onto the steel pipe (2) in a more reliable manner, and the strength of the entire cam shaft is relatively high.

Abstract: An assembly method for a DC converter valve includes: assembling a top shielding case: lifting the top shielding case to a designated height via a lifting platform, and then fixedly connecting the top shielding case to lower ends of insulators, fixedly connecting upper ends of the insulators to a truss, the truss being located on the top of a valve hall; assembling valve layers: lifting the valve layers to designated locations in a sequence from top to bottom via the lifting platform; and assembling a bottom shielding case: lifting the bottom shielding case to a designated height via the lifting platform, connecting the bottom shielding case to a lowermost valve layer and suspending the bottom shielding case below the lowermost valve layer via suspension insulators. By means of the present invention, the operation is convenient, a small quantity of devices is used, and the security and reliability are high.

Abstract: A production line comprises at least one assembly station which is electronically controlled, in which a chain-conveyor device feeds with continuous motion a plurality of pallets carrying parts to be assembled. The production line further comprises at least one module for carrying containers provided with a plurality of part-holder containers for supplying parts to said at least one assembly station. The module comprises a plurality of drawers associated to a paternoster conveyor system.

Abstract: A spindle unit for a machine tool for fine-machining workpieces having groove-shaped profiles, has a rotatably mounted spindle shaft (2). The spindle shaft is subdivided in the axial direction (AR), one behind the other, into a fastening portion (A) for fastening a tool (4) or a workpiece to be machined, a first bearing portion (B), a force transmission portion (C), and a second bearing portion (D). A drive unit (5) serves to drive the spindle shaft by way of force transmission onto the force transmission portion. A first and a second bearing point (13, 14) are designed to bear the spindle shaft in the first bearing portion, and a third bearing point (15) serves to mount the spindle shaft on the second bearing portion. The first and the second bearing points each have one or more hydrostatic bearings. The third bearing point has one or more hydrostatic and/or hydrodynamic bearings.

Abstract: A high-modularization, prespecified height suction support with field replaceable protective elastomeric overfit vacuum seal members and support member assembly provides a stable body of closely toleranced prespecifiable height, upper and lower elastomeric overfit vacuum seal workpiece bearing members. The result is a protected overfit vacuum support that is damage resistant, protective, enables field repairability, and reduces the number of different spare parts needed. Overall cumulative height tolerance is from only five contributions and two pairs of the five contributions are from identical parts, three for a base plate and post structural assembly, and one each for two elastomeric overfit vacuum seal members supported by the support assembly.

Abstract: This tool exchange device for a machine tool uses an exchange arm to exchange tools between a processing area and a tool accommodation area. In the tool exchange device, an imaging device is used to capture an image of a tool in the tool accommodation area, operation parameters for the exchange arm when the exchange arm is used to exchange the tools are determined from the captured image of the tool, and the exchange arm is operated on the basis of the operation parameters to exchange the tool.

Abstract: A start device is for a chainsaw having a combustion engine. The start device includes an electric motor with a control device, which initiates operation of the electric motor and starts up the combustion engine. The chainsaw has a brake device for bringing the tool to a standstill, wherein the brake device can be operated via an actuation lever. For this purpose, the actuation lever can be moved from a first position (A) into at least one further position (B). The control device is connected to a signal transmitter, which is actuated, and emits a signal to the control device, when the actuation lever is moved from the first position (A) into the further position (B), wherein the signal forms a start signal for initiating operation of the electric motor and for starting up the combustion engine.

Abstract: To provide a cutting apparatus capable of effectively removing swarf that scatters in a machining space, while reducing cost. A cutting apparatus includes: a machining mechanism on which a tool for machining a workpiece is mounted; a placement base that is disposed to face the machining mechanism in a machining space and that is movable in a first direction with the workpiece placed thereon; an open/close covering member that extends in the first direction thereby to contain therein the placement base and to form at least part of the machining space; and a drive mechanism that is isolated from the machining space and that moves the placement base in the first direction.

Abstract: A sharpening system for a meat grinder is provided. The sharpening system embodies two types of sharpening stones for sharpening the cutting edges of the knife blade and the hole plate, respectively, of the meat grinder, wherein each type of sharpening stone operatively associates to the drive arbor of the meat grinder. By interchangeably replacing the knife blade along the drive arbor with one type of sharpening stone so as to sharpen and resurface the hole plate, or replacing the hole plate along the drive with the other type of sharpening stone to sharpen and resurface the knife blade, the present invention provides hands-free sharpening with no additional machines or tools.

Abstract: A method for producing one or more bearing components along a production line, comprising honing the bearing components along the production line, cleaning the bearing components along the production line, grinding the bearing components along the production line, and transporting the bearing components along the production line utilizing one or more transport units.

Abstract: A grinding apparatus that performs thickness measurement across an entire wafer surface without degradation of throughput of wafer grinding and grinds the wafer precisely to a target thickness. A grinding apparatus includes a rough grinding stage for roughly grinding a wafer and a fine grinding stage for finely grinding the wafer. A first thickness measuring means for measuring the thickness of the wafer while the wafer is being transferred is provided to a column so disposed as to span an index table. A control unit of the grinding apparatus corrects a target thickness after fine grinding and computes a target thickness after correction on the basis of an average thickness across the entire surface of the wafer before fine grinding obtained from measured values of the first thickness measuring means.

Abstract: An abrasive belt grinding device is provided, a supporting plate passes through an inner cylinder, and is fixed to the inner cylinder, the inner cylinder is rotatably connected to an outer cylinder bracket, a winding reel and an unwinding reel are arranged side by side in a left-right direction at an upper end of the supporting plate, and are driven by respective first servo motors, one end of the abrasive belt is wound in a belt groove of the winding reel, and another end of the abrasive belt is wound over the first transition wheel, the first tension pulley, the third transition wheel, the fifth transition wheel, the seventh transition wheel, the contact wheel, the eighth transition wheel, the sixth transition wheel, the fourth transition wheel, the second tension pulley, and the second transition wheel, and is finally wound in a belt groove of the unwinding reel.

Abstract: A glass support system for a glass edge finishing apparatus includes a vacuum member that is configured to extend lengthwise in a glass feed direction and along an edge of a glass substrate. The vacuum member has a vacuum body that includes a pressure chamber located therein and a support surface having an array of vacuum openings extending therethrough and in communication with the pressure chamber. The array of vacuum openings is arranged in multiple, side-by-side rows with substantially uniform spacing between the vacuum openings along each one of the multiple rows.

Abstract: A dressing apparatus 1 includes a regulating body 13 which has a ridge portion 12 with a surface having a shape corresponding to the shape of a grinding surface 6 of a grinding wheel 5, the surface being brought into face-to-face contact, over a required length, with the grinding surface 6 of the grinding wheel 5 which rotates; a jetting abrasive grain generating device 11 serving as a device for generating a pressure fluid with abrasive grains mixed therein; and a jetting port 15 for jetting abrasive grain-mixed compressed air, the jetting port 15 serving as a jetting device for jetting the mixed compressed air as a pressure fluid with the abrasive grains mixed therein from the jetting abrasive grain generating device 11 into a space between the grinding surface 6 and the surface of the ridge portion 12 of the regulating body 13 which are brought into face-to-face contact with each other.