Abstract: A method for transferring an electronic device includes steps as follows. A flexible carrier is provided and has a surface with a plurality of electronic devices disposed thereon. A target substrate is provided corresponding to the surface of the flexible carrier. A pin is provided, and a pin end thereof presses on another surface of the flexible carrier without the electronic devices disposed thereon, so that the flexible carrier is deformed, causing at least one of the electronic devices to move toward the target substrate and to be in contact with the target substrate. A beam is provided to transmit at least a portion of the pin and emitted from the pin end to melt a solder. The electronic device is fixed on the target substrate by soldering. The pin is moved to restore the flexible carrier to its original shape, allowing the electronic device fixed by soldering to separate from the carrier.

Abstract: The embodiment of the present disclosure provides a welding device, a welding method, and an installation and debugging method thereof. The welding device includes a baseboard, comprising: a left welding nozzle and a right welding nozzle, a power shaft, a bidirectional moving wheel, and two welding nozzle connecting shafts, wherein the welding nozzle connecting shafts are connected to the left welding nozzle and the right welding nozzle respectively, and the bidirectional moving wheel which is driven by the power shaft drives the two welding nozzle connecting shafts to move towards or away from each other.

Abstract: A laser welding device includes: an irradiator configured to overlap laser light and measurement light coaxially with each other and apply the laser light and the measurement light to a weld part, a wavelength of the measurement light being different from a wavelength of the laser light; a measuring instrument configured to repeatedly measure a weld penetration depth of the weld part based on the measurement light that is emitted from the irradiator and reflected on the weld part so as to generate measured values; and a determiner configured to determine the weld penetration depth of the weld part based on (i) one or more measured values; or (ii) an average value of the one or more measured values, the one or more measured values being included within a predetermined range with reference to a greatest side measured value of the plurality of measured values.

Abstract: A connection pin of a feedthrough of an implantable medical electronic device has a primarily cylindrical pin body and at least one flattened end section. The flattened end section has at least one planar connecting surface formed on it, especially for connection by material bonding of a band-shaped conductor.

Abstract: A joint method includes a groove formation step of removing part of a first projection and part of the second projection to form a groove region between the first projection and the second projection, a first welding step of joining a first member and a second member to each other by butt welding, and a second welding step of filling the groove region by buildup welding. The groove formation step forms a first inclined surface in the first projection facing the groove region to be gradually distant from a joint position joined with the second projection so as to be closer to an outer surface of the first projection, and forms a second inclined surface in the second projection facing the groove region to be gradually distant from the joint position joined with the first projection so as to be closer to an outer surface of the second projection.

Abstract: A machining condition adjustment device adjusts laser beam machining conditions for a laser beam machining device to carry out laser beam machining of a workpiece, produces each of state variables including machining condition data, workpiece data, and plasma generation amount data and determination data including plasma generation amount determination data, and learns adjustment action for the laser beam machining conditions with respect to an amount of plasma generated in the laser beam machining of the workpiece under prescribed laser beam machining conditions, with use of the produced state variables and the produced determination data.

Abstract: A rotor blade is a rotor blade to be attached to a rotor shaft rotatable about an axis, and includes a blade body extending in a radial direction with respect to the axis and having a blade-shaped cross-section orthogonal to the radial direction; a fillet portion provided on a radial outer side of the blade body and having a hollow portion formed therein; a shroud provided on a radial outer side of the fillet portion and extending in a circumferential direction; and a seal fin projecting from the shroud to an outer circumferential side and extending in a direction intersecting the blade body when viewed from the radial direction. A wall thickness on a suction side of the fillet portion is greater than a wall thickness on a pressure side of the fillet portion on a leading edge side of the blade body as demarcated by an intersection portion between the blade body and the seal fin serving as a boundary.

Abstract: A compressor includes a casing, a housing inside the casing, and first and second welds. The casing includes a tubular barrel casing and an end casing. The first weld welds the barrel casing and the housing together. The second weld welds the barrel casing and the end casing together along a circumferential direction. The second weld includes a repeatedly welded portion formed by one end portion and an other end portion of the second weld overlapping each other, or the second weld includes a plurality of second welds each including a repeatedly welded portion formed by an end portion of the second weld and an end portion of an other one of the second welds overlapping each other. The repeatedly welded portion are formed to reduce deformation of the barrel casing. The repeatedly welded portion and the first weld are aligned along an axial direction of the barrel casing.

Abstract: A method for synchronizing welding currents of at least two welding current sources prior to performing a simultaneous welding process on at least one workpiece, in particular a welding process with non-consumable electrodes, wherein the method includes the following steps: a first welding current source outputting a reference signal, wherein the reference signal contains synchronization information; a second welding current source measuring or receiving the reference signal and evaluating the synchronization information contained in the reference signal; synchronizing a second welding current of the second welding current source with a first welding current of the first welding current source on the basis of the synchronization information. The invention furthermore relates to a welding current source and to a system having at least two welding current sources.

Abstract: A method of joining a razor blade to a blade support to form a razor blade assembly, the method including: directing a laser beam having an adjustable power output at an upper surface of the razor blade; and while advancing the laser beam along the razor blade: a) applying the laser beam at a first power output to the razor blade; b) reducing the first power output of the laser beam to a second power output; and c) applying the laser beam at the second power output to the razor to form a weld area joining the razor blade to the blade support. The weld area may be elongated and may include (i) a ratio of depth:width that is greater than about 2:1, and/or (ii) a ratio of length:width that is greater than about 5:1.

Abstract: A method of joining electrical connections together includes evaluating at least one weld joint between at least two substrates, determining mismatch between the at least two substrates, and welding the at least two substrates together with a multi-step welding process. The multi-step welding process includes compensating for mismatch between the at least two substrates by welding on both sides but not overlapping a joint line between the at least two substrates with a first welding step and increasing melt volume and penetration depth of a weld between the at least two substrates with a second welding step.

Abstract: This disclosure describes various methods and apparatus for characterizing an additive manufacturing process. A method for characterizing the additive manufacturing process can include generating scans of an energy source across a build plane; measuring an amount of energy radiated from the build plane during each of the scans using an optical sensor; determining an area of the build plane traversed during the scans; determining a thermal energy density for the area of the build plane traversed by the scans based upon the amount of energy radiated and the area of the build plane traversed by the scans; mapping the thermal energy density to one or more location of the build plane; determining that the thermal energy density is characterized by a density outside a range of density values; and thereafter, adjusting subsequent scans of the energy source across or proximate the one or more locations of the build plane.

Abstract: According to one aspect, there is provided a method of cleaning a 3D object on a platform. The method comprises generating with a cleaning module a cleaning airflow to remove powder particles from a 3D object and an extraction airflow to extract any removed powder particles, determining a quantity of powder particles in the extraction airflow, and moving the cleaning module relative to the platform based on the determined quantity of powder particles.

Abstract: A coil component includes: a substrate body; a winding part formed by a conductive wire wound around a part of the substrate body; and terminal electrodes, each having a foundation part constituted by a metal plate provided to the substrate body, and a welded part formed on the foundation part wherein a part of the metal plate is welded to the conductive wire at a lead part led out from the winding part; wherein, based on a vertical line which passes through the peak point of the welded part where its height becomes the highest and which also intersects at right angles the foundation part, the distance from the vertical line to the surface of the welded part as viewed in a direction parallel with the foundation part is longer at a point closer to the foundation part when viewed at least in one direction from the vertical line.

Abstract: A guide frame of a fishing line guide includes a hollow frame body, and a core member inserted into at least a part of the frame body. The frame body includes a frame member configured to abut a prescribed angle region on a circumference of a guide ring, an attachment foots configured to attach to a fishing rod and a support leg configured to connect ends of the frame member and then attachment foots.

Abstract: A continuous welding method and device for a hybrid welding, a welded finished product and a train body. The method comprises: performing hybrid welding on a groove of a welding piece by coupling a laser and a variable polarity arc; wherein the defocusing distance of the laser is not less than a Rayleigh length of the laser. According to the method of the present disclosure, the power density of the laser on the surface of the welding piece is effectively reduced and the height-width-ratio of the weld seam is decreased, the diameter of the welding melted pore is increased, the voids caused by the collapse of the small pore in the welding melted pore can be effectively reduced, thereby solving the problem that the weld porosity is difficult to escape in the prior art, and reducing the generation of the pores, effectively improving welding stability and reliability, and improving the mechanical properties of the weld seams.

Abstract: A refrigerator includes a vacuum adiabatic body including a conductive resistance sheet providing a vacuum space that has a temperature between a temperature of an internal space and a temperature of an external space and is in a vacuum state, the conductive resistance sheet capable of resisting heat conduction between a first plate and a second plate, wherein at least one of the conductive resistance sheet and each of the first and second plates are welded to each other to create a welding part, wherein a plurality of regular beads are provided to a surface of the welding part, and wherein the plurality of regular beads includes: a parabolic inflection region provided at a center portion; linear regions respectively provided at both outsides of the inflection region; and edge regions respectively provided at outsides of the linear regions.

Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a base plate. The batteries may include a first circuit board overlying the base plate. The batteries may include a battery stack overlying the first circuit board and electrically coupled with the first circuit board. The battery stack may include a plurality of battery cells. The battery stack may define an aperture through an active region of the battery stack. The batteries may include a second circuit board overlying the battery stack and electrically coupled with the battery stack. The batteries may include a compression plate overlying the second circuit board. The batteries may include a retaining member compressibly coupling the compression plate with the base plate. The retaining member may extend through the aperture through the active region of the battery stack.

Abstract: Automated material welding including starting a welding operation, scanning a weld in-progress, creating a simulation of the weld in-progress, detecting a flaw in the weld in-progress according to the scanning and the simulation, remediating the weld in-progress, and completing the welding operation.

Abstract: A process for the additive manufacturing of a three-dimensional metal part consists of successively solidifying successively deposited layers of metal powder by melting with a laser beam (120), and defining in each of these successive layers at least one core region (210) and/or at least one shell region. The melting of said core regions (210) is effected with said laser beam (120) so as to form weld beads (211) that have identical widths (L), are mutually parallel and are juxtaposed or spaced apart or overlap over a distance less than X % of their width, and the melting of said shell regions is effected similarly to form weld beads that have identical widths to one another and to the weld beads of the core, are mutually parallel and that overlap over a distance greater than X % of their width, X being greater than 0 and less than 100.

Abstract: A laser processing apparatus includes an irradiation portion, and a controller. The irradiation portion includes a shaping portion configured to shape the laser light. The controller includes: a determination portion configured to determine a first and a second orientation; a processing controller configured to perform a first process of forming the modified region along a first region and stopping formation of the modified region other than the first region, and a second process of forming the modified region along a second region and stopping formation of the modified region other than the second region; and an adjustment portion configured to adjust the orientation of the longitudinal direction to be the first orientation when the first process is performed, and to adjust the orientation of the longitudinal direction to be the second orientation when the second process is performed.

Abstract: A method for manufacturing a display device includes preparing a circuit board including a drive circuit for driving a LED chip, forming a connecting electrode on the circuit board, forming an adhesive layer on the connecting electrode, adhering a terminal electrode of the LED chip on the adhesive layer and joining the connecting electrode and the terminal electrode by irradiating a laser light. The adhesive layer may be formed only on a upper surface of the connecting electrode.

Abstract: PROBLEM TO BE SOLVED: To provide a laser jointing method that joints two materials while imparting a sufficient strength thereto and minimizing heat influence. SOLUTION: The method overlaps first and second materials (V1, V2) on each other and irradiates the surface of the first material (V1) with a laser light (103) from the side of the first material (V1). When jointing both materials (V1, V2), the method intermittently irradiating an overlapped part of the first and second materials (V1, V2) with the laser light while moving the laser light (103) to form a welding bead (1) on the surface of the first material (V1), wherein the length of the welding bead (1) is formed gradually shorter.

Abstract: A laser scanning welding method for lap joints based on linear energy density regulation includes the following steps 1 to 5. Step 1: welding surfaces of two metal plates of a same material are wiped with anhydrous ethanol; step 2: the two metal plates of a same material are placed in an overlapping manner on a welding operation platform; step 3: a position of a welding focus plane is adjusted; step 4: process parameters of laser scanning welding are set; step 5: parameters of a circular scanning power regulation strategy is calculated and power correction values for the lower plate is set; and step 6: lap welding of the two metal plates of the same material is completed by processing according to the circular scanning power regulation strategy and the power correction values.

Abstract: A module layer and to a battery system made therefrom, which, as a device for supplying and storing electrical energy between two final end components, comprises a number of battery modules that are electrically connected to one another in series. Each module here consists of a number of elementary cells, which are generally lithium-ion batteries. The module layer is embodied as a structural unit, wherein the cells in the module layer are positioned next to one another in a tray, in an upright position on a base element of the tray, and are enclosed by an outer frame that is embodied as a heat sink and constitutes the rim of the tray, the outer frame has a seal, and the module layer has a section of a central shaft into which bus bars protrude, which produce a conductive connection with the cells of the respective module layer.

Abstract: A motor and a personal-care device having the motor. The motor has a motor carrier made at least partially from a sheet metal material, a movable motor part, and a spring element that couples the movable motor part with the motor carrier. The sheet metal material comprises at least one coupling area where the sheet metal material is folded so that its two layers are facing each other while each of the two layers comprises a slot, the slots being aligned with one another. A connection extension of the spring element extends through the aligned slots.

Abstract: Laser welding methods include focusing laser radiation onto a first metal sheet disposed on a metal part, optionally with one or more intervening metal sheets therebetween. The laser radiation is steered to trace at least one spiral path to spot-weld together the metal parts. The laser radiation includes a center beam and an annular beam to maintain a stable keyhole. One method is tailored to weld aluminum parts, e.g., with high gas content and/or dissimilar compositions, and the laser radiation traces first an outward spiral path and then an inward spiral path. The center beam is pulsed during one segment of the inward spiral path. Another method is tailored to weld steel or copper parts having a coating at an interface therebetween, and the laser radiation traces an inward spiral path. The interface may be a zero-gap interface, or a non-zero gap may exist.

Abstract: A laser processing apparatus includes a support portion, a laser processing head, a vertical movement mechanism, a horizontal movement mechanism, and a controller. The controller controls starting and stopping of emission of a laser light from the laser processing head based on rotation information in a state where a focusing point is positioned at a position along a circumferential edge of an effective region in a target, while rotating the support portion, to perform a circumferential edge process for forming a modified region along the circumferential edge of the effective region in the target.

Abstract: A pressing device for a laser welding apparatus includes an arm member with opposite mounting and pressing ends. A pressing pad at the pressing end has an opening for allowing a laser beam to irradiate a workpiece assembly that is being pressed by the pressing device. The mounting end has a mounting structure for detachably securing the pressing device to the laser welding apparatus. The arm member is shaped to position the opening at a known fixed distance from a laser source of the laser welding apparatus. The pressing pad has a pressing surface on a workpiece-facing side thereof for applying a joining force to the workpiece assembly at a welding location. At least one of the size, shape and smoothness of the pressing surface allows a sliding-contact movement of the pressing surface along a surface of the workpiece assembly during application of the pressing force.

Abstract: A method for forming a large-diameter special-shaped cross section thin-wall tubular part. A tailor welded barrel blank is adopted as an original blank for forming of the large-diameter special-shaped cross section thin-wall tubular part. After a desired shape is formed, the original weld joint is removed and butt joint tailor welding is performed on the tubular part again. Since the tailor weld joint of the original barrel blank is removed from the final part, there is no need to consider the consistency or coordination of the microstructure of the weld joint and the base metal during the forming process and the subsequent thermal treatment process.

Abstract: A method for automatically determining optimum welding parameters for carrying out a weld on a workpiece carries out test welds on test workpieces along test welding tracks, and at each test weld a welding parameter is changed automatically along the test welding track from a predefined initial value to a predefined final value. Each resulting test weld seam is measured along the test welding track with a sensor, and a sensor signal is received. A quality parameter characterizing each test weld seam is calculated from the sensor signal. A quality function for characterizing the test weld seam quality in accordance with the changed weld parameters is calculated from the quality parameter. An optimum quality function is ascertained, and the values for the optimum welding parameters are defined based on each quality parameter at this quality function optimum and the corresponding test weld track locations and saved.

Abstract: A photographing module includes an imaging lens assembly. The imaging lens assembly includes a plurality of lens elements, wherein one of the lens elements is a plastic lens element. At least one surface of an object-side surface and an image-side surface of the plastic lens element includes an effective optical portion and a peripheral portion. The peripheral portion surrounds the effective optical portion, and includes a plurality of rib structures, a first fitting section and an isolation section. Each of the rib structures has a strip shape along a radial direction of an optical axis of the imaging lens assembly, and the rib structures are arranged around the effective optical portion. The first fitting section surrounds the effective optical portion, and is connected to another one of the lens elements adjacent to the surface. The isolation section is disposed between the rib structures and the first fitting section.

Abstract: A method for butt laser welding two metal sheets includes providing a first metal sheet and a second metal sheet and butt welding the metal sheets along a direction of welding. The butt welding step includes simultaneously generating a first front keyhole in the first metal sheet, generating a second front keyhole in the second metal sheet, and generating a back keyhole in the first and second metal sheets. The first and second front laser beams and the back laser beam are configured in such a manner that at each moment in time, a solid phase region and/or a liquid phase region of the metal sheets remains between the first front keyhole and the back keyhole and between the second front keyhole and the back keyhole.

Abstract: There is provided assemblies for combining a group of laser sources into a combined laser beam. There is further provided a blue diode laser array that combines the laser beams from an assembly of blue laser diodes. There are provided laser processing operations and applications using the combined blue laser beams from the laser diode arrays and modules.

Abstract: A tack welding method and a tack welding apparatus that can improve the strength of a tack-welded joint portion and reduce the height of a reinforcement bead is provided. A tack welding method of the present embodiment is a tack welding method of tack-welding a part of a joint portion of a first joint and a second joint at a predetermined interval before main welding. In the tack welding method, a filler metal is supplied to the joint portion, laser light is deflected and irradiated to the joint portion, and the filler metal is cut with the laser light to be welded to the joint portion.

Abstract: Presented are metalworking systems for joining metallic workpieces, methods for forming and welding such workpieces, and lithium-ion battery pouch cells with anodized aluminum tabs joined via knurling and laser welding. A method for laser welding abutting sections of a workpiece or stackup of workpieces includes receiving, via a workpiece support frame, one or more metallic workpieces each with a surface having applied thereto a treatment layer. This treatment layer releases a gas during welding. A metalworking device forms a knurl pattern into the workpiece surface with the treatment layer. The knurl pattern includes a network of channels, such as one or more series of mutually parallel, rectilinear vent channels, designed to exhaust therethrough the gas released from a welded section of the treatment layer. A laser welding device thereafter welds a joint region of the surface(s) of the one or more metallic workpiece with the knurl pattern.

Abstract: To reduce the weight of a cross member bridged between right and left sides of a seat frame. A seat frame includes an upper frame forming an upper portion of a seat back frame, and a cross member bridged at the upper frame. The cross member includes right and left end portions in a seat width direction, the right and left end portions being fixed to the upper frame; and a first recessed portion that is recessed upward or downward and provided between the right and left end portions. The first recessed portion is provided at a center portion of the cross member in the seat width direction.

Abstract: A laser processing apparatus includes a support portion, a laser processing head, a vertical movement mechanism, a horizontal movement mechanism, and a controller. The controller controls starting and stopping of emission of a laser light from the laser processing head based on rotation information in a state where a focusing point is positioned at a position along a circumferential edge of an effective region in a target, while rotating the support portion, to perform a circumferential edge process for forming a modified region along the circumferential edge of the effective region in the target.

Abstract: Laser beam welding a workpiece includes: generating first and second beam areas on the workpiece by first and second laser beams, respectively. The beam areas are guided in a feed direction relative to the workpiece. Centroids of the beam areas are not coinciding. The first beam area runs ahead of the second beam area. A length of the first beam area, measured transversely to the feed direction, is greater than or equal to that of the second. A surface area of the first beam area is greater than that of the second. A width of the first beam area, measured in the feed direction, is greater than or equal to that of the second. A laser power of the first laser beam is greater than that of the second. The second laser beam is irradiated into a weld pool generated by the first laser beam.

Abstract: Disclosed is a taping apparatus including: a tray storage device supplying a designated one of plural kinds of trays on which respective different kinds of parts are scattered; a carrier tape feed device intermittently moving a designated one of plural kinds of carrier tapes which correspond to the respective different kinds of parts; a first camera capturing an image of the scattered parts on the designated tray; a first image recognizing device recognizing respective centers of the scattered parts; a rotary head individually sucking the scattered parts to rotatable suction nozzles; a second camera capturing an image of the parts sucked to the suction nozzles; a second image recognizing device recognizing respective orientations of the sucked parts; and a part inserting device adjusting the orientations of the sucked parts to orientations insertable into part storage recesses defined in the designated carrier tape and then inserting the parts into the part storage recesses, respectively.

Abstract: An additive manufacturing system includes one or more processors configured to determine one or more geometrical characteristics of each of multiple segments of a build part at a candidate position relative to an additive manufacturing instrument. The one or more geometrical characteristics include an angle of incidence between a beam line extending from a beam source and a surface normal of a respective skin of the corresponding segment proximate to the beam line. The one or more processors are configured to control the additive manufacturing instrument, based on the one or more geometrical characteristics, to direct focused energy beams from a first orientation relative to the build part to form a first segment of the segments of the build part and to direct focused energy beams from a second orientation relative to the build part to form a second segment of the segments of the build part.

Abstract: A method of welding a first metal plate and a second metal plate that is thicker than the first plate, by a laser beam. The first plate and the second plate are disposed to overlap one another in a thickness direction. In a first laser irradiation step, the laser beam is emitted at the first plate, to form an initial nugget including a front-side nugget portion in the first plate, a back-side nugget portion in the second plate and having a diameter smaller than a diameter of the front-side nugget portion, and an annular flat surface portion existing between the front-side nugget portion and the back-side nugget portion. In a subsequent laser irradiation step, the laser beam is emitted again at the initial nugget after the initial nugget is solidified, thereby increasing the diameter of the back-side nugget portion.

Abstract: The present invention relates to a method for depositing a horizontal rib on an unequal-height section by laser cladding, including the following steps: providing an unequal-height section and a laser cladding device, determining a deposition position on the unequal-height section, and determining a length of a rib on the unequal-height section according to the deposition position; using a lowest point of the deposition position as a first segment of the rib and a highest point as a last segment of the rib; determining a number of segments of the rib according to the length and a vertical height of each segment of the rib; determining a cladding speed of each segment of the rib according to a relationship between a cladding height of each segment of the rib and a scanning speed under a certain parameter, and carrying out laser cladding to obtain a horizontal rib.

Abstract: A method of joining electrical connections together includes evaluating at least one weld joint between at least two substrates, determining a mismatch between the at least two substrates, and welding the at least two substrates together with a multi-step welding process. The multi-step welding process includes compensating for the mismatch between the at least two substrates by welding on both sides but not overlapping a joint line between the at least two substrate with a first welding step and increasing melt volume and penetration depth of a weld between the at least two substrates with a second welding step.

Abstract: A metal member-welded structure includes: a Cu member; an Al member; and a welded portion formed by melting and solidifying each of materials of the Cu member and the Al member. The Cu member includes a Cu-based material containing Cu as a main component. The Al member includes an Al-based material containing Al as a main component and a plating layer that covers a side of the Al-based material, the side being close to a surface of the Cu member. The welded portion includes a sea-island structure in a vicinity of the surface of the Cu member. The sea-island structure includes: a plurality of island portions containing pure Al, and a sea portion interposed among the island portions. The sea portion has a eutectic structure having: a phase of an intermetallic compound of Cu and Al; and a phase of pure Al.

Abstract: The present disclosure relates to a high-precision and high-efficiency laser polishing method oriented to a large-size ultra-thin mask plate, and belongs to the technical field of advanced laser manufacturing. A high-precision and high-efficiency laser polishing technology is applied to the surface smoothness improvement of the large-size ultra-thin mask plate. The high-precision and high-efficiency laser polishing method specifically comprises the four following steps: step one, selecting and placing an ultra-thin invar alloy mask plate on a five-axis machining platform; step two, adopting a nanosecond continuous laser, and setting a laser incident angle; step three, setting N laser polishing areas; and step four, performing laser polishing continuous splicing. Compared with the prior art, the surface smoothness of the mask plate is improved, the polishing efficiency is high, the precision is high, and the influence on the geometrical characteristic size of the appearance of an original mask plate is low.

Abstract: A component for a vehicle electric drive is described, which includes at least one connecting lug pair projecting from the component for electrically connecting the component. Here, a first connecting lug and a second connecting lug of the connecting lug pair each have a joining zone for electrically connecting the component. Furthermore, an assembly for a vehicle electric drive is presented, which has at least two such components. Further presented is a method of electrically conductively connecting two components.

Abstract: Angled, single laser weld and a method of forming an angled, single laser weld including arranging a first and second faying surfaces of a first and second component adjacently to form an interface between the components; irradiating at least one of the first and second components at the interface with a laser, wherein the first faying surface defines a plane formed at an angle alpha in the range of +/?5 degrees to 60 degrees from an axis A perpendicular to the first front surface and the second faying surface matches the first faying surface; and forming a junction at the interface with an hourglass shaped weld.

Abstract: A laser welded assembly and method of making. The laser welded assembly includes a first work piece having a thickness (T1) defined between an external surface and a faying surface; a second work piece having a thickness (T2) defined between an external surface and a faying surface of the second work piece; a weld seam having a core fusion zone extending from the external surface of the first work piece through the faying interface and at least partially into the thickness (T2) of the second work piece; and a protruding fusion zone extending laterally from the core fusion zone adjacent to the external surface of the first work piece. The protruding fusion zone may be formed by post-heating or concurrently with the core fusion zone.

Abstract: A beam vibrating mechanism vibrates a laser beam in a parallel direction with a cutting advancing direction of a sheet metal. An amplitude amount of the laser beam is Qx, a radius of a first circular region having an area occupying 86% beam energy at a center side of total beam energy in a sectional area of the laser beam on a top surface of the sheet metal is rtop, and a radius of a second circular region having an area occupying 86% beam energy at a center side of total beam energy in a sectional area of the laser beam in a bottom surface of the sheet metal is rbottom. A calculation value Va is expressed by the expression: Va=(Qx+rtop+?{square root over (2)}×rbottom). When a standard deviation of the calculation value Va at a time of cutting sheet metals of a plurality of plate thicknesses is Vasd, a nozzle having a diameter of an opening between a minimum value obtained by 2Va?Vasd, and a maximum value obtained by 2.5 Va+Vasd is used as a nozzle attached to a machining head.