Abstract: The disclosure herein describes various methods for producing a composite thickness metal part. Such methods include cutting out a base component having a first thickness, cutting out a foil sheet having a second thickness less than the first thickness, and loading the base component and the foil sheet into a fixture. Then the methods include passing the fixture containing the base component and the foil sheet through an ultrasonic welding machine to join the foil sheet to the base component and form an interim part that includes the foil sheet joined to the base component and cutting away preselected sections of the foil sheet from the interim part to produce a final geometry of the composite thickness metal part.

Abstract: The present disclosure is directed to a high throughput clip bonding tool or system which is flexible and easily adapts to different clip bond pitches or sizes. The clip bonding system may be an integrated system with various modules, including a clip singulation module, a feeder module, a transfer module and a clip attach module within a shared footprint. For example, an incoming clip source may be fed to the clip singulation module for clip singulation before the singulated clips are transferred by the feeder and transfer modules to a clip presentation area for clip alignment before pickup. A pickup tool of the clip attach module is configured to facilitate pickup and attachment of clips onto the semiconductor packages to be clip bonded. For example, the pickup head is programmable to facilitate clip bonding process of different applications which may require clips and packages with different sizes.

Abstract: Process for laser welding at least one metal workpiece (1) by a laser beam (3), the workpiece having a surface coating (2) containing aluminum, characterized in that the laser beam (3) is combined with at least one electric arc (4) so as to melt the metal and actually weld the workpiece(s).

Abstract: Bearing component (10) comprising steel and at least one flash butt weld joint. The steel comprises, by weight, max 20 ppm S and max 15 ppm O and in that said steel includes sulphide inclusions and less than 5% of the sulphide inclusions contain encapsulated or embedded oxide inclusions.

Abstract: A splicing apparatus for joining a trailing end of a downstream metal strip to the leading end of an upstream metal strip includes a base having a working surface, a cover assembly operatively connected to the base and movable between an open position and a closed position, a fixed platen fixedly secured to the working surface, a moving platen slidably connected to the working surface, and a laser device for both cutting said downstream and upstream metal strips and for welding said metal strips together, the laser device including a laser source and a laser head in communication with the laser source, the laser head being connected to said cover assembly.

Abstract: Disclosed herein is a strip joining apparatus for pipe mill equipment. The strip joining apparatus cuts a trailing end of a preceding steel strip and a leading end of a following steel strip, and puts the cut surfaces of the two steel strips into contact with each other, and then welds them to each other. Particularly, a cutting blade of a first cutting unit and a cutting blade of a second cutting unit are inclined in the downward direction at predetermined angles relative to each other. Thus, the ends of the two steel strips, which are respectively cut by the cutting blades, define a ‘V’-shape groove. In this state, the cut ends of the two steel strips are put in close contact with each other and are welded to each other, so that the quality of welding of the junction between the thick strips can be enhanced.

Abstract: This invention provides a manufacturing method of printed wiring board which enables a plate-like substrate to be carried and processed without any contact to its product surface. End portions of plate-like copper clad laminates are overlapped vertically and then joined linearly by rotating an ultrasonic horn along the end portions. Consequently, copper foils can be metal-joined and a joining strength necessary for transportation with a roller is obtained. Because belt-like copper clad laminate is obtained by joining the plate-like copper clad laminates and after that, processed, thus, the belt-like copper clad laminate can be carried without any contact to its product surface as it is carried with the roller, and then processed.

Abstract: An uncoiling device having an uncoiler for uncoiling a strip is described. The uncoiler is arranged downstream from a thickness measuring device which measures the thickness of the strip. The thickness measuring device is arranged downstream from a straightening device which straightens the strip. The straightening device is arranged downstream from a machining device which further machines the strip. The thickness of the strip is transmitted to a control device which controls the straightening machine and/or the machining device in accordance with the measured thickness of the strip.

Abstract: The invention relates to a device (100) for the connecting of strips to an endless strip with a clamping arrangement (110, 120) with a clamping device (110-r, 120-r) on the inlet side and a clamping device (110-l, 120-l) on the outlet side, a cutting arrangement (155) with an upper cutter (150) and a lower cutter (130) and with a joining arrangement, in which at least the clamping device (110-r, 120-r) on the inlet side and/or the clamping device (110-l, 120-l) on the outlet side is constructed as a premountable unit.

Abstract: A butt welding system and a butt welding method of steel plate by which the quality of a product can be ensured. Butting portions of blank members (1,2) to be joined together are butted and a predetermined butting load is applied to the butting portion, wherein the blank members (1,2) are moved relatively in the direction of the welding line thus matching the butting portions. Protrusions and recesses formed on each butting portion of each blank member (1,2) are flattened, whereby linear precision at each butting portion of each blank member (1,2) is enhanced as compared with a case where the butting portions are not matched. Since the gap is reduced extremely at the butting portion, welding is facilitated at the butting portion. Good welding beads are thereby obtained at the butting portion and the quality of a product is ensured.

Abstract: A system and method of forming a continuous strip from a plurality of strips, each strip having a leading end and a trailing end. Embodiments can include a forming apparatus that chamfers at least one of the leading and trailing ends of each strip. The chamfered trailing ends may then be positioned against chamfered leading ends of successive ones of the plurality of strips. Once a leading end and a trailing end are positioned against one another, a first welding apparatus may weld on a first side, from above, the trailing and leading ends positioned against each other to form weld joints. Once at least two strips have been welded together, the strips can constitute the continuous strip. An inverting apparatus can then invert the continuous strip and weld joints. The inversion of the weld joints can be done so as not to create a reverse bend in the continuous strip. A second welding apparatus can then weld on a second side opposite the first side, from above, the inverted weld joints to form weld junctions.

Abstract: The invention relates to an apparatus and a method for clamping, cutting, and joining strips to a continuous strip. Said device comprises a clamping device (125), a cutting device (155), and a joining device (195). The clamping device, cutting device, and joining device are kinematically coupled to each other.

Abstract: A conveyor for guiding and conveying a plurality of sheet-shaped thin plates in rows arranged side by side to a welding position at which ends of the adjacent thin plates are butted and welded to each other, includes a plurality of conveying paths, which are adjacent to each other, having different conveying surfaces which are placed on a same horizontal plane, and a guide unit disposed between the adjacent two conveying paths for guiding the thin plates on one of the conveying paths with respect to another one thereof toward the welding position. Each of the conveying paths is composed of a plurality conveying rollers, and the guide unit includes guide rollers each having a guide surface for guiding the thin plate on the one of the conveying paths in a state that the thin plate on the one conveying path is partially depressed with respect to the another one of the conveying path.

Abstract: The invention relates to an apparatus and a method for clamping, cutting, and joining strips to a continuous strip. Said device comprises a clamping device (125), a cutting device (155), and a joining device (195). The clamping device, cutting device, and joining device are kinematically coupled to each other.

Abstract: In an ultrasonic welding apparatus comprising an ultrasonic sonotrode and a backing plate, flat workpieces to be welded are pressed between the sonotrode and the backing plate. Projections are provided on a portion of the surface of the sonotrode and on a portion of the surface of the backing plate, each projection-bearing surface portion being adjoined by a smooth portion. The flat workpieces are for example ends of a strapping tape formed in a loop around a package in a strapping machine and the aim is to produce a weld of increased strength.

Abstract: An upper shearing blade equipped with a protrusion of a triangle-columnar shape and a lower shearing blade equipped with a protrusion of the same shape are applied onto the overlapped portion of metal plates to be bonded, and then pressed into the metal plates in an oblique direction inclined with respect to the thickness direction by a stroke in such a range that the metal plates are not completely cut off. The operating loci of the upper, shearing blade and the lower shearing blade are overlapped each other so that one falls inside the other, and the sheared surfaces of the metal plates are formed into a bonded portion by plastic flow deformation. Therein, since a compressive force is applied onto the portions to be bonded, the portion being defined by the amount of overlap, and the portions are compressed to form a compressed portion after completion of bonding, the bonding strength enhances.

Abstract: A method of rolling a continuous welded billet having weld joints at successive locations along the billet and wherein the continuous welded billet is advanced through roll pairs of successive roll stands. The rolling conditions in two successive stands are adjusted so that when a weld joint is between the two stands compression is produced at the weld joint causing an increase of cross-sectional area at the weld joint. The rolling condition involves superimposing an increase in roll speed in the upstream roll stand compared to the downstream roll stand based on tracking information of the weld joint.

Abstract: An improved apparatus and method for the prevention of deformation and buckling of metal plates during welding processes is disclosed. The improved apparatus and method are used to apply pressure to a welded seam created between two metal plates during the welding process. Pressure is applied to the area of the plates surrounding the welded seam until the welded seam has sufficiently cooled to prevent deformation and buckling of the metal plates.

Abstract: The invention relates to an interconnection between two overlapping end sections of metallic strips (10, 20) in which a quick and economical interconnetion should be produced. To this end, the invention provides that several annular welds (30) are provided in the overlapping area (15) which are situated at a distance from the face ends of both strips (10, 20).

Abstract: Discrete billets are rolled through a plurality of roll stands arranged along a rolling mill pass line to produce successive product lengths having reduced cross sections and front and tail ends. At a selected location along the pass line, the tail end of each product length is joined to the front end of the next successive product length to thereby permit uninterrupted continuous rolling through the remainder of the mill.

Abstract: A sheet welding machine according to the present invention comprises a wedge-shaped heater adapted to be in heat-transferable contact with edge portions of upper and lower sheets for melting the edge portions with heat, and a pair of upper and lower pressure rollers disposed in proximity to a converging portion of the heater, wherein the edge portions of the two sheets are continuously welded by the heater and the pressure rollers. The sheet welding machine has a compressed air delivery tube connected to a compressed air source, the delivery tube projecting from the converging portion at a middle part of the heater in a direction of travel of the sheets. A frontward end portion of the delivery tube extends through a nip between the pressure rollers and discharges the compressed air forwardly in the direction of travel of the sheets. The edge portions of the sheets overlapping each other are formed with continuous welded zones in two rows and the edge portions are welded together.

Abstract: A strip joining apparatus is provided wherein a time which a line is stopped is shortened, a number of installation spaces is decreased and precise notching may be performed.

Abstract: To provide a seam welding apparatus and a seam welding method that may operate at a low pressure to obtain a suitable overlapped alignment amount. In the seam welding apparatus, a trailing plate clamp moving means is provided with link mechanisms for overlapping and aligning a leading end of a trailing plate with a trailing end of a leading plate and a link drive source for operating the link mechanisms under an extended condition. The link mechanisms are arranged in parallel along both side edges of the trailing plate. The pair of link mechanisms are connected to a link drive source to form a parallel link mechanism assembled through a coupling link. Also, a movable portion of the leading plate clamp means has a tilt pivot. This tilt pivot is adapted to be movable so that the overlapped alignment amount may be adjusted.

Abstract: A header includes a substrate made of an insulative material that has a plurality of through holes formed therein extending between upper and lower sides of the substrate. Plating is applied to the through holes to form conductive cylinders with upper and lower ends. A plurality of solder balls are attached to corresponding upper and lower ends of the conductive cylinders. A pair of circuit boards can be mechanically and electrically interconnected with the solder ball header in spaced apart parallel relationship. The solder balls bond the ends of the conductive cylinders with opposing conductive traces or pads formed on the circuit boards.

Abstract: The clamping band manufacturing machine is capable of full-automatically manufacturing the clamping bands and highly increasing the manufacturing efficiency. The machine comprises a main machine part and parts feeding mechanisms. In the main machine part, a band shaping stage welds a clasp on a band section, bends the band section in an arc, and overlaps both end portions of the band section. A lever welding stage welds a lever and the overlapped portion of the band section. An examination stage measures a length of an overlapped portion of the band section and the lever material. An arc shaping stage bends the lever in an arc. A circular shaping stage expands the bent portion of the band section. A conveying mechanism synchronously conveying the band section to each of the sages, which are serially arranged. The feeding mechanisms feed the parts, e.g., the clasp, to the main machine part.

Abstract: A welding device for butt welding of bars as well as blooms, slabs, or billets produced by continuous casting, includes a roller conveyor for simultaneous conveying of at least two bars along a rolling line, jaws for gripping the bars, and electric power supplies which are set in contact with the surfaces of the two bars for carrying out a welding operation. The electric power supplies are provided with respective positioning and actuating devices controlled to actuate them independently from one another during setting in contact and detachment of the bars.

Abstract: This invention relates to an apparatus and a method for manufacturing a member which makes a part of a car body of an automobile or the like by mash-seam welding a plurality of blanks. Standby areas (B) are provided at both right and left sides of an welding area (A) to/from which a seam welding machine (130) moves forward/backward, and a lapping device (100) for overlapping respective end portions of blanks (W1)(W2) and a temporary clamping device (80) for temporarily clamping the blanks (W1)(W2) are disposed on two transfer tables (70) which are sent from the standby areas (B) to the welding area (A) by turns. When the blanks (W1)(W2) with these end portions overlapped one another and temporarily clamped are sent to the welding area (A) by the transfer table (70), the blanks (W1)(W2) are permanently clamped by a permanent clamping device (180) and thereafter, subjected to a mash-seam welding by upper/lower electrode rollers (142)(148) of the seam welding machine 130.

Abstract: An apparatus to produce straight bead welded tubes from flat sheet metal blanks with two parallel longitudinal edges includes two form tool halves. The two form tool halves have outer cylindrical half shells borne by a tool support, and are disposed laterally inverted in relation to one another. They are moved towards one another and out of an opened receiving position for the sheet metal blanks into a closed position, in which the two longitudinal edges are held together by the two form tool halves. The apparatus also includes a welding device, which moves over the two form tool halves along the two longitudinal edges retained in a welding position. The two form tool halves have cylindrical internal mandrel halves which are fixedly associated with the outer cylindrical half shells and which cooperate with the outer cylindrical half shells to produce form gaps for insertion of the sheet metal blanks.

Abstract: A method of butt welding is performed in the following steps: a step of pressing first and second blank materials onto first and second loading bases respectively by clamping devices thereby fixing them; a step of shearing end surfaces of the first and second blank materials thereby forming joint surfaces; and a step of performing butt welding on each of the joint surfaces of the first and second blank materials while these blank materials are maintained in fixed state where the first and second blank materials are pressed by the clamping devices.

Abstract: A bond pad structure for an integrated circuit has bondable base member for receiving a wire bonded thereon. A cavity is formed within the base member, with the cavity being configured to capture the wire therein. The cavity has one end having a first width and an opposite end having a second width, with the first width being greater than second width.

Abstract: An apparatus and method for forming slotted wire screens is provided. According to one embodiment, the method involves the steps of (1) providing support ring material; (2) positioning a wire on the support ring material; (3) joining the wire and the support ring material; and (4) bending the support ring material to form a ring of a radius. The steps of joining and bending are performed at substantially the same time. According to another embodiment, the apparatus includes a device for pushing support ring material; a device for providing the support ring material with an adhesive, such as a brazing compound; a device for positioning a wire on the support ring material; a heating zone for heating the support ring material and the wire; and a device for bending the support ring material.

Abstract: A device for producing a thin steel strip, comprising at least one or more continuous-casting machines (1) for casting thin steel slabs, a furnace device (7) which is suitable for heating and/or homogenizing a slab, and at least one rolling device for reducing the thickness of a slab which is conveyed out of the furnace device (7), a welding machine being arranged between the continuous-casting machine (1) or continuous-casting machines (1) and the rolling device (10), for the purpose of joining slabs together.

Abstract: Method for welding two end portions (6, 8) of a coil (not shown) onto two electric contact pads or bumps (24, 26) of an integrated circuit (2) or an electronic unit of small dimensions. This welding method is characterised in that, prior to the actual welding step, a preliminary step is provided consisting in removing at least partially the insulating sheath from the electric wire (10) at least at the locations of the two end portions (6, 8) provided for the welding onto said electric contact pads or bumps (24, 26). The insulating sheath is removed locally by means of heat application, in particular using a heating press (58) working at a sufficiently high temperature to melt or sublimate the insulating sheath. The welding step is achieved at a much lower temperature than the temperature of the preliminary step, which allows the heat and mechanical stress to be reduced for the integrated circuit (2) and the bumps (24, 26) during welding of the ends (6, 8) onto said bumps.

Abstract: A welding head for looping machine is provided with a strap guide (7) for passing the looping strap (5) through the welding head (1), a strap fixing element (14) for holding the lapping strap sections (3, 4) which are to be welded together, a welding set (17) for melting the looping strap sections (3, 4) which are to be welded together, a pressing arrangement for joining the melted strap sections (3, 4) which are to be welded together, and a mechanically operating ejector (30) which is integrated in the welding head (1) for lifting the welded looping strap (5) out of the welding head (1).

Abstract: The invention regards a method for rolling a continuous billet (15) fed from a billet-heating furnace (10) set upstream of a roll train, in which, between the furnace (10) and a first stand (11) of the roll train is provided an operation of welding, during, billet movement, of the head of each billet (14), which has come out of the furnace (10) along an axis (12) of exit from the furnace, to the tail of the billet (15) being rolled, which is proceeding along a rolling axis (13). The aforesaid welding operation is carried out along the rolling axis (13) which is staggered with respect to the axis (12) of exit from the furnace.

Abstract: A plurality of materials are rolled in an upstream stand. While the transfer speed of a succeeding material and the front end position thereof are detected, the transfer speed and the rear end position of a preceding material are detected by a measuring roll. The transfer speed of the succeeding material is controlled by adjusting at least the drive speed of the pinch rolls so that the front end of the succeeding material contacts the rear end of the preceding material at a specified position in a travelling welder. The rear end of the preceding material is joined with the front end of the succeeding material by flash-butt welding using the travelling welder to form a continuous material while letting the travelling welder move at a speed synchronous with the transfer speed of the continuous material. The welded portion on the continuous material is ground and/or cut to remove burrs therefrom. After removing the burrs, the continuous material is continuously rolled by a down-stream stand.

Abstract: The invention regards a method for rolling billets fed from a billet-heating furnace (10) set upstream of a roll train, in which, between the furnace (10) and a first stand (11) of the roll train is provided a space for transfer of the billets coming out of the furnace. In the space between the furnace (10) and the stand (11) at least two billets (15, 14) are welded together and subsequently introduced into said stand (11).

Abstract: Assuming that the processes of joining, rolling, coiling, etc. of a material is evaluated by a preset speed pattern after the extraction from a heating furnace, the required time is predicted and calculated for both of a preceding material and a following material. At the time when the following material can catch up with the preceding material at an aiming position on the line, the following material is extracted from the heating furnace according to the result of the above prediction calculation. Control is carried out so that both of the preceding material and the following material finish the process at a preset speed. Also, the traveling speed of the following material is controlled according to the position and the speed of the tail edge of the preceding material in a section close to the catch-up position so that a distance between the tail edge of the preceding material and the leading edge of the following material be closed.

Abstract: A plurality of materials are rolled in an upstream stand. While transfer speed of a succeeding material and the front end position thereof are detected, the transfer speed and the rear end position of a preceding material are detected by a measuring roll. The transfer speed of the succeeding material is controlled by adjusting at least the drive speed of the pinch rolls so as the front end of the succeeding material to contact with the rear end of the preceding material at a specified position in a travelling welder. the rear end of the preceding material is joined with the front end of the succeeding material by flash-butt welding using the travelling welder to form a continuous material while letting the travelling welder move at a speed synchronous with the transfer speed of the continuous material. The welded portion on the continuous material is ground and/or cut to remove burr therefrom.

Abstract: A plurality of materials are rolled in an upstream stand. While the transfer speed of a succeeding material and the front end position thereof are detected, the transfer speed and the rear end position of a preceding material are detected by a measuring roll. The transfer speed of the succeeding material is controlled by adjusting at least the drive speed of the pinch rolls so that the front end of the succeeding material contacts the rear end of the preceding material at a specified position in a travelling welder. The rear end of the preceding material is joined with the front end of the succeeding material by flash-butt welding using the travelling welder to form a continuous material while letting the travelling welder move at a speed synchronous with the transfer speed of the continuous material. The welded portion on the continuous material is ground and/or cut to remove burr therefrom. After removing the burr, the continuous material is continuously rolled by a down-stream stand.

Abstract: An apparatus and method for leveling the clamping surface to obtain proper heat sink for narrow strips in a coil end joiner which includes a coil material support table and a retaining plate which is positioned against the upper surface of the coil material to be joined by, for example, one or more air cylinders. A weld clamp leveler is also provided which is adjustable to provide a preselected offset between the coil material support table and the retaining plate in a forward portion of the coil material support table. The weld clamp leveler is preferably used when relatively narrow coil material is being joined to preclude tilting of the retaining plate relative to the coil material support table and the coil material being joined and is preferably adjusted to provide approximately the same offset between the coil end support table and the retaining plate as the thickness of the coil material being joined.

Abstract: A bonding apparatus for bonding metal plates, includes an overlapping mechanism for overlapping end portions of the metal plates, at least two supports for supporting the overlapped portion of the metal plates at one side of the metal plates, and a shearing blade disposed opposite the supports so as to sandwich the overlapped portion of the metal plates therebetween, wherein a moving mechanism is provided for relatively moving at least one of the shearing blade and the supports so as to press the shearing blade into the overlapped portion of the metal plates disposed between the supports and the shearing glade. A method for bonding is characterized by bonding metal plates by using the above apparatus.

Abstract: There is provided a rolled plate joining apparatus equipped with a truck that can travel reversibly in the rolling direction, tailing end pinch rolls that are mounted on the truck and can be moved vertically with the tailing end of a preceding rolled plate pinched horizontally, leading end pinch rolls that are mounted on the truck and can pinch horizontally the leading end of a succeeding rolled plate, machining apparatuses for cutting one surface of the tailing end of the preceding rolled plate and the other surface of the leading end of the succeeding rolled plate, and a pressure welding apparatus for compressing the preceding rolled plate and the succeeding rolled plate with the machined surfaces of the preceding rolled plate and the succeeding rolled plate overlapped to reduce them approximately to the thickness of the rolled plates, including a tailing end centering apparatus placed between the tailing end pinch rolls and the pressure welding apparatus for pressing the opposite width ends of the tailing