Abstract: A hole-drilling guiding device includes a base including a bottom seat and two vertical seats extending upward from the bottom seat. The bottom seat has a bottom surface including two coupling bar fixation sections. Two rotary seats are respectively and rotatably coupled to the vertical seats. A rotary knob is coupled to one of the rotary seats. A handle is coupled to the other one of the rotary seats. Two guide posts are received through the rotary seats. A chuck seat is fit to the guide posts. A chuck is rotatably mounted to the chuck seat. Two coupling bars are provided, each including a bar body, a rotation driving section at one end of the bar body, and a first fixation section at an opposite end of the bar body. The first fixation sections of the coupling bars are selectively and removably coupled to the coupling bar fixation sections of.

Abstract: A hole-saw comprises a tubular body connectable at one end to inter alia a power drill and formed at its other end with an annular array of cutting teeth. A collar is positioned at the end of the tubular body remote from the cutting teeth, the perimeter of the collar extending generally normal to and beyond the perimeter of the tubular body.

Abstract: The end cutting edges formed on the front end face of the tool body includes a first end cutting edge that is connected to the front end of the thread cutting edge, and a second end cutting edge that is connected to the first end cutting edge on the side closer to the axis, and is angled more toward the rear end than the first end cutting edge. The angle formed by an imaginary plane perpendicular to the axis and the first end cutting edge is set to 6° or less. The angle formed by the second end cutting edges and the imaginary plane perpendicular to the axis and is set to be greater than the angle formed by the first end cutting edges and the imaginary plane perpendicular to the axis.

Abstract: A rotary tool of the present aspect has a body and a cutting edge positioned on the outer periphery of the body. The cutting edge has a first section and a second section when viewed on an imaginary plane defined by cutting a rotational trajectory of the rotary tool on a plane including a rotational axis. The first section has a first region and a second region. A first radius of curvature of the first region is greater than a second radius of curvature of the second region in at least one of a plurality of the first sections.

Abstract: A power saw system including a workstation having a table top surface, a saw arm coupled to the workstation at a first hinge member, the saw arm being configured to pivot toward and away from the table top surface about the first hinge member, a circular saw coupled to a distal end of the saw arm, and a second hinge member provided to the saw arm between the first hinge member and the circular saw, the second hinge member configured such that circular saw can be selectively rotated about the second hinge member in a direction lateral to an axis of the saw arm.

Abstract: This invention relates to a saw blade quick release mechanism for sawing tool and a sawing tool using same, the mechanism comprising a saw blade mount, a rotary cover rotatable on the saw blade mount, a resilient member holding the rotary cover in position, and a positioning component having a positioning member on either of the saw blade mount and the rotary cover and a positioning slot on the other one thereof whereby in case of the rotary cover positioned, the positioning member is at the positioning end of the positioning slot, and the saw blade cannot be disassembled then, while in case of the rotary cover disassembled, the positioning member is at a release end thereof, and the saw blade can be disassembled then.

Abstract: The present invention relates to a double one-track electro-discharge wire cutting method, comprising a step of forward wire running and a step of reverse wire running wherein a wire running direction of the step of forward wire running is opposite to that of the step of reverse wire running; with wire running in the step of forward wire running, one processing element is completed by discharge cutting processing, and with wire running in the step of reverse wire running, another processing element is completed by discharge cutting processing. The method can improve the processing efficiency and recycle the electrode wire while ensuring the processing precision.

Abstract: An automatic solder paste feeding system, comprising: a base, a container mounted on the base and configured to contain a solder paste therein, a syringe mounted on the base and configured to inject the solder paste into the container, and a heater mounted on the base and configured to heat the solder paste contained in the container, so that the solder paste is melted into liquid state.

Abstract: An automatic wire arranging device includes a controller, at least one driving device electrically connected with the controller, a first wire clamping jig connected with the at least one driving device, a second wire clamping jig disposed to the first wire clamping jig, at least one charge-coupled device camera connected with the controller, and at least one puncher pin connected with the at least one driving device. The first wire clamping jig opens a plurality of first clamping slots. Each of the plurality of the first clamping slots opens a through-hole. The second wire clamping jig opens a plurality of second clamping slots. The at least one puncher pin is capable of penetrating through the through-hole and pushing against a core wire to be away from one of the plurality of the first clamping slots and be blocked in one of the plurality of the second clamping slots.

Abstract: In an arc start control method for forward and reverse feed arc welding in which forward and reverse feed control of alternately switching a feed speed Fw of a welding wire between a forward feed period and a reverse feed period is performed to generate a short circuit period and an arc period to perform welding, at arc start, a pulse period Tp during which a pulse current is energized for a plurality of number of times is provided, and thereafter forward and reverse feed control is started from forward feed period of the welding wire. During the pulse period Tp, a forward feed speed Fp of the welding wire is set so that the arc period is continuous. In addition, the forward feed speed Fp is changed based on a time length of pulse period Tp and/or a value of a welding voltage Vw during pulse period Tp.

Abstract: A one-side submerged arc welding method includes joining two steel plates butted to each other by submerged arc welding from one side using a plurality of electrodes. During the submerged arc welding, at least one of the electrode distances between adjacent electrodes in a terminal end region of the steel plates is changed.

Abstract: Provided is a welding state determination device that can easily determine the welding state. The welding state determination device includes: an acquisition unit that acquires a pulse waveform of a pulse current or a pulse voltage supplied to an electrode for pulse arc welding, the pulse waveform including a falling portion, a rising portion, and a flat portion therebetween; a preprocessing unit that shapes the pulse waveform such that the flat portion has a predetermined width; and a determination unit that determines a state of the pulse arc welding based on a difference between the shaped pulse waveform and a normal pattern created based on a plurality of past shaped pulse waveforms.

Abstract: Embodiments of energy storage caddies adapted to couple to a welding power supply are provided. The energy storage caddies may include an energy storage device, a charger, control circuitry, and power conversion circuitry. Certain control circuitry may be adapted to control the energy storage device to discharge to provide a direct current (DC) voltage output to the welding power supply when a weld load demand is detected, to monitor a charge level of the energy storage device, and to alert a user to an error when the charge level of the energy storage device falls below a predetermined limit.

Abstract: A method and apparatus for providing welding-type power supply includes a power circuit and a controller. The power circuit receives input power and provides welding type power and auxiliary power. It is controlled on a control input. The power circuit also includes an auxiliary power transformer. A temperature responsive component is mounted in the auxiliary power transformer and provides a temperature signal indicative of the temperature in the auxiliary power transformer. The controller controls a cooling fan for the aux power transformer and/or turns off the aux power output in response to the sensed temperature.

Abstract: In embodiments, a welding apparatus includes an automated wire feed mechanism to output wire at a wire feed rate, where the wire is to provide a welding arc to a weld site. The wire feed rate is based at least in part on selected power to be provided to the weld site. Additional embodiments are described and claimed.

Abstract: Automatically recognizing interchangeable torch components, such as consumables, for welding and cutting torches includes adding one or more passive markings to a surface of an interchangeable torch component. Then, the interchangeable component can be recognized by a torch assembly including a torch body and one or more imaging devices or by a system including the torch assembly and a power supply. The torch body has an operative end configured to removably receive the interchangeable torch component. The one or more imaging devices are positioned to optically acquire an image of or image data representative of the one or more passive markings included on the interchangeable torch components so that a processor can determine if the one or more interchangeable components are genuine.

Abstract: A method for manufacturing a sandwich panel as a semi-finished product where at least one layer of a non-metallic material is positioned between at least two metallic layers. At least one of the metal layers is shaped into a three dimensional layer and the metal layers are material closured to each other by a tack weld on the metallic contacts between the metallic layers to enable resistance weldability of the semi-finished product in order to connect the semi-finished product to a desired combination of solutions.

Abstract: A steel plate frame and a thin plate are made of different materials. A plurality of through holes are formed in a portion of the thin plate to be placed on the steel plate frame. A plurality of projections 6c are formed on a support plate, each of the projections being allowed to be inserted into a corresponding one of the through holes. An adhesive is applied to a portion of the steel plate frame on which the thin plate is placed. The thin plate is placed on the steel plate frame, and the steel plate frame and the thin plate are bonded together by the adhesive. The support plate is placed on the thin plate to insert the projections into the through holes. The projections and the steel plate frame are welded to form a plurality of welded spots.

Abstract: A method of resistance spot welding is provided that includes overlapping weld joints. The method may be used to repair a discrepant weld joint or to strengthen a weld joint. Pressure and electrical current is initially applied to workpieces via weld faces of electrodes to form an initial spot weld joint attempt between the first and second workpieces, and then the initial application of pressure is removed. A subsequent application of pressure and electrical current is then applied to the workpieces via the weld faces to form an overlapping spot weld joint between the first and second workpieces. The overlapping spot weld joint overlaps with the initial spot weld joint attempt. The initial spot weld joint attempt may be successful or not, such that the overlapping weld joint either repairs or strengthens the initial weld joint attempt. Overlap of the welds may be 10-100%.

Abstract: A coating method for a resistance-welding electrode and the resistance-welding electrode are provided. According to the present invention, it includes: a tungsten carbide preparation step for preparing tungsten carbide (WC) as a coating material for being coated on an electrode surface; a tungsten carbide powder formation step for forming the tungsten carbide (WC) into a tungsten carbide powder having a predetermined average particle size; and a tungsten carbide powder coating step for performing coating with a predetermined coating thickness to the electrode surface by spraying the tungsten carbide (WC) powder at a high speed by a cold spray coating process that is capable of coating at room temperature without powder melting.

Abstract: A method for butt-welding of sheet metal, especially bodywork in the motor vehicle industry, where at least two flat workpieces with any desired contours are fed to a machining process. In a first sub-process, the workpieces are positioned in relation to one another forming a minimal gap and secured in place with holding means. In another sub-process, the position and width of the gap are measured continuously immediately before welding together and the measurements are used to control a laser welding head. The laser welding head is fit with a rotatable twin-spot lens, where the relative alignment of a main spot to an auxiliary spot is controlled depending on the absolute position of the gap and the gap width during the welding process while the processing lens of the laser welding head is rotated around the laser beam axis with the angle of rotation alpha.

Abstract: The present disclosure generally relates to methods of additive manufacturing with control of the energy beam incidence angle that allows for aligning the laser beam angle to directly oppose the building direction of an angled wall. The method includes building an object in an additive manufacturing powder bed where the object includes a surface that is defined by a build vector projecting outward relative to the build plate center at an angle ? relative to normal of the build plate such that 90°>?>0° and the directed energy beam forms an angle ?L2 relative to normal of the build plate such that 270°>?L2>180°, wherein ?L2??=180°±?, and ?<45°. The present methods provide finished objects having overhanging regions with more consistent surface finish and resistance to mechanical strain or stress.

Abstract: A computer-implemented method of generating scan instructions for forming a product using additive layer manufacture as a series of layers is provided.

Abstract: The present invention discloses laser pressure welding which is used for joining a first metal component with a second metal component; the first metal component has a first joining section with a first joining surface; the second metal component has a second joining section with a second joining surface; laser beams are projected onto the first and second joining sections of the first and second metal components to heat the first and second joining surfaces to a temperature between their re-crystallization temperature and melting temperature respectively; and the first joining surface of the first metal component is pressed tightly against the second joining surface of the second metal component until the first joining and second joining surfaces are cooled to a temperature below their re-crystallization temperature.

Abstract: According to one aspect, the present disclosure provides a system for manufacturing transition structures including fiber threads embedded within a metal component. The system may include a supply of base sheet metal. The system may include a conveyor supported on a plurality of rollers and configured to move the base sheet metal in a production direction. The system may include a plurality of stages arranged in the production direction. Each stage may include a channel forming device configured to form a channel in the base sheet metal, a fiber inserting device configured to insert a portion of a fiber material into the channel, and one or more ultrasonic welders configured to consolidate a layer of metal foil over the fiber. The disclosure includes methods of using the system to produce transition structures and reinforced components.

Abstract: A jacket main body is formed of a first aluminum alloy. A seal body is formed of a second aluminum alloy. The first aluminum alloy is higher in hardness than the second aluminum alloy in material type. A method includes: a preparing step of forming on an peripheral wall part a step part having a step bottom surface and a step side surface obliquely rising; a mounting step of mounting the seal body on the jacket main body to form a first butt portion and putting the step bottom surface and a back surface of the seal body on each other to form a second butt portion; a main joining step of performing friction stir welding while only the stirring pin of the rotary tool rotating contacts with only the seal body.

Abstract: A friction stirring tool includes a first rotating tool which has a first tool main body having a first shoulder portion which comes into contact with the obverse surface of a groove portion, a first probe projecting to a front end side from the first tool main body, and a protruding portion projecting to the front end side from the first probe, and a second rotating tool which has a second tool main body having a second shoulder portion which comes into contact with the reverse surface of the groove portion, a second probe projecting to a front end side from the second tool main body, and a protrusion accommodating portion provided on the second probe and capable of accommodating the protruding portion of the first rotating tool.

Abstract: A fully-automatic cutting and welding apparatus for stepped steel plate, comprising a multi-function motion module (1), an automatic feed library turntable (2), a product flip platform (3), a steel plate bearing module (4), a pedestal (5), and a base (6). The multi-function motion module (1) is capable of performing motion in a Y-axis direction on the pedestal (5); the pedestal (5) is fixed on a surface edge of the base (6);the automatic feed library turntable (2) is fixed at one end of the base (6); the product flip platform (3) is disposed between the automatic feed library turntable (2) and the steel plate bearing module (4), and the steel plate bearing module (4) is fixed at the other end of the base (6) for bearing and fixing a steel plate, and is used as a welding platform for the final steel plate step part.

Abstract: A method for encoding a plate-like workpiece comprising: defining an encoding area; applying a magnetic layer to the surface of the workpiece; fusing parts of the magnetic layer to the surface of the workpiece by acting on the workpiece with radiation within the encoding area; cooling the workpiece; removing the non-fused parts of the magnetic layer. The method permits the workpieces to be trackable in a simple manner, irrespective of surface treatments that may possibly be carried out or are to be carried out later.

Abstract: A method for machining at least one workpiece surface to apply a texture pattern to at least one section of the workpiece surface using a laser, based on image data specifying an image of the texture pattern applied to the at least one section of the workpiece surface and model data specifying a three-dimensional geometry of a surface form corresponding to the at least one section of the workpiece surface. Control data and segment data are generated based on the image and model data. The control data specify one or more segment sequences for each track line. Each segment sequence has track segments where the laser guides the texture pattern application to the at least one section of the workpiece surface; wherein the track segments of a segment sequence include one or more laser track segments where the laser travels in the switched-on state at a constant machining setpoint speed.

Abstract: A laser processing machine includes a guide member with which a laser head is engaged so as to be movable to one side in a conveying direction, a moving device configured to move the laser head along the guide member, a counterweight which is movably engaged to the other side of the guide member in the conveying direction and moves along the guide member in a direction opposite to a moving direction of the laser head in conjunction with the laser head moved by the moving device, and a control device which controls the moving device to move the counterweight to a position facing the grease feeding device and to perform grease feeding to an engaged portion between the counterweight and the guide member.

Abstract: A system to provide a texture to a surface of a component for use in a semiconductor processing chamber is provided. The system includes an enclosure comprising a processing region, a support disposed in the processing region, a photon light source to generate a stream of photons, an optical module operably coupled to the photon light source, and a lens. The optical module includes a beam modulator to create a beam of photons from the stream of photons generated from the photon light source, and a beam scanner to scan the beam of photons across the surface of the component. The lens is used to receive the beam of photons from the beam scanner and distribute the beam of photons at a wavelength in a range between about 345 nm and about 1100 nm across the surface of the component to form a plurality of features on the component.

Abstract: A manufacturing method for a shaft 1 by imparting a residual compressive stress to an inner surface 4p of the lateral hole 4 of the workpiece 2 includes a disposing step and an irradiation step. In the disposing step, a lateral-hole mirror 14a is disposed inside the lateral hole 4. In the irradiation step, a laser beam L is emitted from one of an inner-side opening 4a and an outer-side opening 4b of the lateral hole 4 toward the lateral-hole mirror 14a, making the laser beam L reflect on the lateral-hole mirror 14a, and thereby applying the laser beam L to the inner surface 4p of the lateral hole 4.

Abstract: A method for producing a device support base in an embodiment according to the present disclosure includes step A of providing a support base having a first surface and a second surface parallel to the first surface; step B of forming a laser beam in a first direction parallel to the first surface of the support base; and step C of translating or rotating the laser beam in a second direction parallel to the first surface of the support base and crossing the first direction to remove at least a part of protruding portions or contamination elements on the first surface of the support base.

Abstract: A method of manufacturing a conductive member includes (a) a step of preparing a long conductive member provided with a cutting target in an extension direction portion, and (b) a step of firing a high energy-density beam at the cutting target while moving the high energy-density beam in a direction that intersects with the extension direction of the long conductive member, and also cutting the cutting target at, at least, a portion where the high energy-density beam moves, such that a dimension of the cutting target in a firing direction of the high energy-density beam gradually increases.

Abstract: Separation lines are formed in a glass plate having first and second main surfaces by irradiating with laser light. The separation lines are configured of a product line corresponding to an outline of a glass article to be separated; and a release line. The product line includes a first in-plane void array configured of in-plane voids arranged on the first main surface; and internal void arrays for product line, each having an in-plane void. The release line includes internal void arrays for release line. A maximum length of the internal void array for product line L1max is equal to a maximum length of the internal void array for release line L2max, and a minimum length of the internal void array for product line L1min is greater than a minimum length of the internal void array for release line L2min; or the length L1max is greater than the length L2max.

Abstract: A solder alloy for joining a Cu pipe and/or a Fe pipe has an alloy composition comprising in mass %: Sb: 5.0% to 15.0%; Cu: 0.5% to 8.0%; Ni: 0.025% to 0.7%; and Co: 0.025% to 0.3%, with a balance being Sn. The alloy composition satisfies the relationship of 0.07?Co/Ni?6, where Co and Ni represent contents of Co and Ni in mass %, respectively.

Abstract: A solder ball according to the present invention contains 0.2 to 2.2% by mass of Zn, and a balance of Sn, and has a spherical diameter of 0.1 to 120 ?m and a yellowness (b*) in an L*a*b* color system of 2.70 or more and 9.52 or less. An oxide film is formed by performing aging treatment. By producing a solder ball having a yellowness of 2.70 or more and 9.52 or less, it is possible to suppress the growth of a Cu3Sn layer and/or a Cu—Zn(—Sn) layer during joining.

Abstract: An object of the present invention is to provide a resin flux cored solder, or a flux coated solder, for which scattering of flux and solder in using the solder is suppressed, and a flux to be contained therein. A flux for a resin flux cored solder comprising a rosin resin, an activator, and at least one selected from an acrylic polymer and a vinyl ether polymer, which has a weight average molecular weight of 8000 to 100000, in an amount of 0.1 to 3 mass-% based on the total mass of the flux.

Abstract: An object of the present invention is to provide a flux in which the occurrence of a bridge and a ball is suppressed at the time of soldering, and a resin composition for the flux. The flux comprising: at least one selected from 0.3 to 2.0 mass % of an organochlorine compound, and more than 0.04 mass % and 1.00 mass % or less of an amine hydrochloride; and 0.2 to 1.5 mass % of an organophosphorus compound that is at least one selected from a phosphonic acid ester and a phenyl-substituted phosphinic acid, each based on the whole flux.

Abstract: A method and to device for the powder bed-based additive building up of a plurality of identical components, including fixing of each of the components on a base plate by a retaining apparatus, adjusting of a vertical position of at least some of the fixed components relative to the base plate, such that a structural peak of each component is spaced apart from the base plate within a predetermined tolerance range, providing a powder bed of a building material on the base plate up to a height of the tolerance range and layered, additive building up of material on each of the structural peaks of the components.

Abstract: A guide baffle of a turbomachine, including a cast or turned main body and guide blades applied to the main body via a generative manufacturing method.

Abstract: A transfer jig for use in transferring a new cutting blade as a replacement component to the processing unit, in a cutting apparatus including a chuck table holding a workpiece, a processing unit having a spindle and a cutting blade detachably mounted on the spindle, a cutting blade changing unit changing the cutting blade, and a transfer mechanism supplying the workpiece to the processing unit. The transfer jig has a plurality of receiving portions each adapted to receive the new cutting blade and the cutting blade changed by the cutting blade changing unit. The transfer jig is adapted to be transferred by the transfer mechanism transferring the workpiece.

Abstract: An accessory device for a hand-held power tool includes a dust collection box that has a housing and a filter unit configured to filter an airflow. The housing is configured to be connected to a housing of the accessory device via a first securing unit. The filter unit is configured to be connected to the housing of the dust collection box via a second securing unit. The filter unit has a first sealing element arranged on the dust collection box side and a second sealing element arranged on the accessory device side. The filter unit is sealed from the housing of the dust collection box and the housing of the accessory device via the first and second sealing elements. The hand-held power tool in one embodiment is configured with a percussive mechanism.

Abstract: A waste collecting apparatus and workpiece processing systems, relating to the field of machining processes, are provided. An exemplary waste collecting apparatus may include a collecting body, a feeding pipe and a liquid discharging pipe in communication with the collecting body, and a separating mechanism provided within the collecting body, wherein the separating mechanism allows liquid waste to pass through while retaining solid waste. Further, via provision of a separate mechanism, the waste may be subjected to a solid-liquid separation, e.g., a liquid waste may be obtained from the liquid discharging pipe, and a solid waste may be obtained from the collecting body. According to aspects herein, a solid-liquid separation process is no longer required at subsequent/central processing of the waste. Moreover, since the collecting body retains only the solid waste, the time interval for centrally processing the waste increases, reducing labor intensity and improving work efficiency.

Abstract: A machine tool includes a machine body; a control panel; a peripheral device; a peripheral device frame that is adjacent to one side surface of the machine body and for which the top view of the area for installing the peripheral device is roughly rectangular, wherein the two corners of one end of the rectangle are supported, and the corner of the other end of the rectangle that is closer to the machine body is supported from below but the corner of the other end of the rectangle that is farther from the machine body is not supported from below; and a coolant filtration and supply device with a coolant tank disposed below the peripheral device frame so as to accept coolant discharged from the machine body, the coolant filtration and supply device being installed so as to be able to move toward and away from the machine body.

Abstract: Various embodiments of power tool and method of operating same are described. The power tool may include a first position sensor, a second position sensor, a third position sensor, and a controller. The first, second, and third position sensors may each generate a signal indicative of a distance between the respective position sensor and a workpiece. The controller may determine one or more angles of the power tool with respect to the workpiece based on the first, second, and third signal and present an indication as to whether the one or more angles are within a predetermined range. The controller may further obtain a depth measurement based on the first signal, the second signal, and the third signal and generate, based on the obtained depth measurement, one or more control signals that control operation of the power tool.

Abstract: The invention of a device has four threaded bolts that engage cooperatively threaded apertures in a base. These thread bolts hold the device in a temporary yet stationary position. The device has non-magnetic metal which allows test indicators to display accurate results free from any magnetic fields. The device has a precision bore of a nominal size. The radial value of the nominal size precision bore provides for mathematical calculation of the spindle centerline to work piece distance for measuring. The device has undercuts on both of its sides to aid in removing by hand. These undercuts allow the device to pivot from its stationary position for removal without damaging the planar surface. Alternatively, the device has four magnetic inserts, pocketed upwardly from the bottom surface.

Abstract: A knife sharpener comprises a grinding surface for grinding a blade of the knife when the blade is moved relative to the grinding surface and an observation device including a sensor element and a display element. The sensor element is configured to observe the blade and to collect data regarding the blade when the blade is moved relative to the sensor element. The display element is configured to communicate a condition of the blade to an operator of the observation device. The condition of the blade is based on the data collected by the sensor element when the blade is moved relative to the sensor element.

Abstract: An apparatus for abrading a surface is provided. The apparatus includes: a framework with a motor housed therein; a chassis housing a drivetrain, the drivetrain including a drive pulley operative connected to the motor, a plurality of tool assembly pulleys, a belt operatively connecting the drive pulley and the plurality of tool assembly pulleys; a plurality of tool assemblies operatively connected to the drive pulley and the plurality of tool assembly pulleys, each tool assembly including: a tool holder, a tool plate comprising a tool segment with an abrading surface, wherein the tool holder and tool plate are detachably connected by a plurality of equidistantly spaced pins, wherein the number of pins is a multiple of three.