Abstract: The invention relates to a method for connecting components, comprising the following steps: (1) applying a metal paste containing an organic solvent to the contact surface of a first component; (2) optionally applying the metal paste to the contact surface of a second component to be connected to the first component; (3) producing a sandwich arrangement with the two components and a layer of the metal paste in-between; (4) drying the layer of metal paste between the components; and (5) pressureless sintering of the sandwich arrangement comprising the layer of dried metal paste, the drying and the pressureless sintering being performed by irradiation with IR radiation with a peak wavelength in the wavelength range of between 750 and 1500 nm. The components can be selected from the group consisting of substrates, active components and passive components. One or both of the components can be permeable to IR radiation.

Abstract: A tool head includes a first tool and a second tool disposed circumferentially on the tool head where the tool head has a rotation axis. The first tool of the tool head is an adjustable tool that is radially movable such that a radial position, relative to the second tool of the tool head, is settable.

Abstract: A damping apparatus is provided for damping vibrations of a tool-holding apparatus during machining of a workpiece. The damping apparatus comprises a damping body having two ends on which a respective damping device is arranged, which comprises a bearing pin rigidly connected to the damping body and a bearing bush that surrounds the bearing pin in the circumferential direction. An annular space filled with a damping fluid is arranged between the bearing pin and the bearing bush, which annular space is sealed in the axial direction by two elastically deformable sealing rings. The two sealing rings each comprise first and second abutment regions as well as a resilient intermediate region arranged therebetween. The first abutment region is bonded to the bearing pin and the second abutment region is bonded to the bearing bush. The intermediate region is elastically deformable relative to the bearing pin and the bearing bush.

Abstract: A cutter holder has a holder, a collet, and a nut. The holder has a first threaded portion having an external thread, a first abutting surface, a second abutting surface, at least one recess, and at least one sealing member. The at least one recess is recessed in the second abutting surface. The at least one sealing member is mounted in the at least one recess and partially protrudes from the second abutting surface. The nut has a second threaded portion having an internal thread, a third abutting surface, and a fourth abutting surface. The internal thread and the external thread are corresponding internal and external trapezoidal threads, respectively. The third abutting surface and the first abutting surface have a corresponding diameter with a clearance therebetween being less than 0.015 millimeter. The fourth abutting surface and the at least one sealing member are in an interference fit.

Abstract: A drilling machine performs a feed operation while rotating a spindle, suspends the feed operation of the spindle for a predetermined dwell time at a predetermined hole bottom position, and then performs drilling by retreating the spindle. A controller for controlling the drilling machine calculates the dwell time based on a prescribed rotation amount in response to specification of the prescribed rotation amount (dwell rotation amount) at the hole bottom position.

Abstract: A vertical-edge double-step sawtooth cutter for preparing high-quality holes of composite material and thereof hybrid stack structure, and has three parts which are a major cutting edge region A, a minor cutting edge region B and a shank region C. The minor cutting edge region B comprises a step vertical-edge region D and a sawtooth cutting region E. This has the step structure and the sawtooth structure which is distributed in the first step, has a recutting function at the inlet and a reverse cutting function at the outlet in the direction opposite to the main cutting motion. The cutter has the vertical edge structure distributed in the second step, and the angle of the second step is a negative value, thereby realizing chip breaking and crushing, reducing scratch to the upper-layer composite material and metal hole walls.

Abstract: A cutting processing system includes: a spindle mounted with a cutting tool in which a lubrication discharge path is formed along the central axis thereof for rotating the cutting tool; a lance provided inside the spindle in order to supply oil and air to the cutting tool; and a rotary union mounted on the end portion of the spindle for supplying the oil and the air to the lance in a non-mixed state.

Abstract: The present invention is provided with: a first processing position (A1) and a second processing position (A2) at which rough processing is performed on a workpiece (W); a third processing position (B1) at which final finishing processing is performed on the workpiece (W) that was processed at the second processing position (A2); flexible vices (7) provided to the first processing position (A1) and the second processing position (A2), the flexible vices (7) securing the workpiece (W) by clamping the same; and a quick clamping device (20) provided to the third processing position (B1), the quick clamping device (20) securing the workpiece (W) by means of a pin. The present invention is also provided with a control unit that controls a rough processing tool for performing rough processing and a final finishing processing tool for performing final finishing processing.

Abstract: A wheel spinning flash cutting device includes of a rack, a turnover cylinder, a connection rod, a top plate, a first guide rail, a left sliding plate, bearing pedestals, left shafts, rollers, a clamping cylinder, a first motor, a belt wheel, a right base, a synchronous belt, right shafts, second rails, a support, a cutting blade, a second motor, a feed cylinder and a bracket.

Abstract: The invention makes available a method for the production of gear wheels, with which it is possible to produce gear wheels having double-helical teeth, in particularly efficient manner. For this purpose, in the case of the method according to the invention for chipping production of a gear wheel, which is provided with double-helical teeth, in which the teeth of the one gear half are configured to run counter to the teeth of the other gear half, in rising manner, wherein the gear halves are arranged offset from one another by an angle amount with reference to the axis of rotation of the gear wheel, a gear wheel blank is made available, on which the teeth provided on the gear wheel are produced by means of hobbing, using a hobbing wheel, which, during hobbing machining of the teeth, in each instance, of one of the gear halves, reaches all the way into the adjacent tooth gaps of the other gear half, in each instance.

Abstract: A deburring tool including a tool base body defining a blade shaft and a bar blade defining a cutting profile having a main cutting edge and a secondary cutting edge, wherein at least a portion of the main cutting edge and/or the secondary cutting edge is concave or convex, the bar blade is held in the blade shaft, and the deburring tool is configured to deburr a bevel gear.

Abstract: A machine tool includes a ram extending in a longitudinal direction and being disposed horizontally, a processing head attached to the ram, a tower connected to the ram in a state of upwardly standing at an intermediate position in the longitudinal direction of the ram and having an adjustable height, a front arm connected to a front portion of the ram, and a rear arm connected to a rear portion of the ram. The tower includes a base portion fixed to the ram, an arm connection portion connecting the front arm and the rear arm, and a jack-up bolt. The jack-up bolt is in contact with one of the base portion and the arm connection portion in a vertical direction, and threadingly engaged to the other one of the base portion and the arm connection portion. The jack-up bolt pushes the arm connection portion upwardly by screwing or unscrewing.

Abstract: An assembly of mechanical components includes a solder joint between two metal components. A mounted component is retained on one side of a support structure by a solder joint on the other side of the support structure between a retainer and a connector that is fast with the mounted component and extends through the support structure. The retainer is of sheet metal construction, so that a height of the solder joint is no more than the thickness of the retainer, thus providing a low-profile joint.

Abstract: The present application provides an apparatus for automatically clearing away residual solder paste, comprising: a working platform for bearing a solder paste tub accommodating a solder paste nozzle, the solder paste nozzle having a solder paste nozzle mouth, the working platform having a solder paste through-hole for accommodating the solder paste nozzle mouth; and a gas channel disposed in the working platform, the gas channel comprising a gas inlet and a gas outlet, the gas inlet being configured to be in communication with a cleaning gas source, and the gas outlet being configured to blow gas towards the solder paste nozzle mouth accommodated in the solder paste through-hole, thereby cutting solder paste remaining at the solder paste nozzle mouth.

Abstract: The present application provides an apparatus for preventing solder paste dripping, comprising: a working platform support apparatus; a working platform connected in a fixed manner to one end of the working platform support apparatus, the working platform being used to bear a solder paste tub comprising a housing, with a solder paste nozzle being accommodated in the housing, the solder paste nozzle being mounted on the working platform, so that the solder paste tub is borne in an inverted manner on the working platform by means of the solder paste nozzle, with the housing being capable of moving relative to the solder paste nozzle so as to extrude solder paste accommodated in the solder paste tub from the solder paste nozzle; and a holder, the holder being connected to the housing of the solder paste tub and located above the working platform, and the holder being slidably connected to the working platform support apparatus, so that the holder can move downward as the amount of solder paste in the solder past

Abstract: The present application provides an automatic solder paste addition apparatus and system for a solder paste printer, the apparatus comprising: a push rod, a pressure plate, a support plate, a movable plate and a working platform; the pressure plate moves up and down as the push rod moves up and down, the support plate is fixed in relation to movement of the push rod, an outer side of the movable plate is disposed on the support plate so as to be capable of sliding up and down, the pressure plate is disposed on an inner side of the movable plate so as to be capable of sliding up and down, and the working platform is fixed to the movable plate and used for bearing a solder paste tub, wherein a lower one-way locking mechanism is provided between the movable plate and the support plate, the lower one-way locking mechanism being configured to lock the movable plate when the movable plate is in the working position, so that the movable plate cannot move downward; and wherein an upper locking mechanism is provided b

Abstract: Systems and methods to design part weld processes are disclosed. An example system to generate weld instructions for display to a weld operator during a welding sequence includes: a processor and machine readable instructions which cause the processor to: provide an interface to define a weld program including a sequence of weld instructions for display to a weld operator during a weld sequence, the weld program including a plurality of properties; determine, for each of the weld instructions, respective values for one or more properties that are defined via the interface; and generate the weld program including the sequence of weld instructions by, for each of the weld instructions in the sequence of weld instructions: determining default values for the properties that have not been defined for the weld instruction,; and generating a visual representation of the weld instruction using the defined values and using the determined default values.

Abstract: A welding system includes one or more sensors configured to detect data relating to one or more arc parameters for the welding system during a weld performed by the welding system. The welding system also includes control circuitry configured to receive the data corresponding to the one or more arc parameters from the one or more sensors, time synchronize the data corresponding to the one or more arc parameters with data relating to one or more welding parameters over a time period for the weld, present the data corresponding to the one or more arc parameters graphically over the time period via a user-viewable screen during the weld, and present the data corresponding to the one or more welding parameters graphically over the time period via the user-viewable screen during the weld.

Abstract: A frame is described for positioning a battery using a vision system to determine at least one weld point on the battery. The frame includes at least one visual reference feature detectable by the vision system. The reference feature is used by the vision system to determine the weld point(s). For example, the at least one visual reference feature includes a pair of stubs that define a line, and the at least one weld point is determined based on the line. In a further example, the pair of stubs correspond to respective batteries, which are arranged adjacent to one another within the frame. In a further example, respective centers of the stubs are lined up along a center line extending from respective centers of respective end faces of the respective batteries. The vision system includes vision circuitry, processing circuitry coupled to the vision circuitry, and a weld system.

Abstract: A welding torch system includes a diffuser assembly that includes a locking mechanism to receive a contact tip. Additionally, the welding torch system includes the contact tip, which includes locking elements configured to interact with the locking mechanism of the diffuser assembly to secure the contact tip within the diffuser assembly. Further, the contact tip is rotated within the diffuser assembly to securely align the locking elements with the locking mechanism.

Abstract: A method for welding a stack of sheets having a plurality of sheets of different materials is provided. In an aspect, the stack of sheets includes an aluminum sheet and a galvanneal steel sheet. In an aspect, the method includes resistively spot welding the galvanneal sheet to a hot-stamped steel sheet placed between the aluminum sheet and the galvanneal sheet, the sheet of hot-stamped steel including stress relief sections. The method further includes placing a metal foil on the aluminum sheet and vaporizing the metal foil to project portions of the aluminum sheet through the stress relief sections of the hot-stamped steel sheet to weld the portions of the aluminum sheet to the galvanized steel sheet. In another aspect, the method includes placing the metal foil on a raised portion of the aluminum sheet and projecting the raised portion of the aluminum onto the galvanneal steel sheet.

Abstract: An electron beam installation, which is used for processing powdered material, has a powder container, which can accommodate a powder bed made of the powdered material to be processed. Furthermore, it has an electron beam generator, which is configured to direct an electron beam onto laterally differing locations of the powder bed. To reduce the dispersion of the powdered material during the processing using the electron beam, the electron beam installation has a frit device, which, by applying an AC voltage between at least two electrodes, generates an electromagnetic alternating field, which bonds the powdered material of the powder bed, at least in regions over the powder bed.

Abstract: The present invention includes a preparation step in which a stepped portion including step bottom and step side surfaces is formed along an edge of a jacket body, a placing step in which a sealing body is placed on the jacket body forming first and second butted sections, and a main joining step in which friction stir welding (FSW) is performed by moving a rotary tool along the first butted section with only a stirring pin of the rotary tool in contact with only the sealing body. During FSW, a central axis of rotation of the rotary tool is tilted towards a central or peripheral side of the jacket body so that the angle of tilt relative to a vertical plane equals the angle the stirring pin's outer circumferential surface makes with the central axis of rotation subtracted by the angle the step side surface makes with a vertical plane.

Abstract: A scanned optical beam is divided so as to form a set of scanned subbeams. To compensate for scan errors, a portion of at least one subbeam is detected and a scan error estimated based on the detected portion. A beam scanner is controlled according to the estimated error so as to adjust a propagation direction of some or all of the set of scanned subbeams. The scanned subbeams with adjusted propagation directions are received by an f-theta lens and directed to a work piece. In typical examples, the portion of the at least one subbeam that is detected is obtained from the set of scanned subbeams prior to incidence of the scanned subbeams to the f-theta lens.

Abstract: In various embodiments, optical fibers have arrangements of core, annular core, and cladding regions enabling variation of beam shape and/or beam parameter product and may be utilized for the processing (e.g., welding, cutting, drilling, etc.) of various workpieces.

Abstract: The present invention discloses a laser light source module for subjecting a plate, it includes a substrate, a first light source, a second light source, a temperature reduction unit, a first modification module, a second modification module and a third modification module. The first light source emits a first light beam in the direction of an emitted area of the substrate; the second light source emits a second light beam in the direction of the emitted area of the substrate; the first modification module modifies an optical characteristic of the second light beam; the second modification module modifies the location of the plate that is subjected to the first light beam, the second light beam and/or the temperature reduction unit; and the third modification module is connected to the temperature reduction unit for modifying the angle.

Abstract: A laser cutting nozzle includes an inner nozzle and an outer nozzle. The inner nozzle exhibits a tube shape having a through hole on an axis and having a diameter decreasing on a first end portion side and includes a notch extending in the axis direction along an outer peripheral surface on a second end portion side. The outer nozzle is fitted to the outer peripheral surface of the inner nozzle and includes a vent passage including the notch and communicating between the first end portion and the second end portion in the axis direction. A minimum flow cross-sectional area of the vent passage matches an opening area of the notch in an end surface on the second end portion side.

Abstract: The disclosure relates to methods and systems for joining at least two workpieces, including forming a weld joint by moving a machining beam, e.g., a laser beam, and the at least two workpieces relative to one another along a feed direction, wherein the movement of the machining beam and the two workpieces relative to one another is superimposed with a periodic movement in a movement path, e.g., a two-dimensional movement path, which extends in a transverse direction perpendicularly to the feed direction and, e.g., additionally in the feed direction. The movement path has, between two reversal points in the transverse direction, at least one stop point at which a speed component of the periodic movement in the transverse direction is zero. The invention also relates to computer program products and systems for carrying out the methods.

Abstract: A method of fusion welding two ferrous alloy component parts, at least one of which is considered unweldable, involves placing a low carbon steel band into a groove defined in part by each of the ferrous alloy component parts and then conveying a concentrated energy source along a welding line that overlaps the low carbon steel band to melt the steel band along with adjacent portions of the ferrous alloy component parts to form a blended alloy weld pool. The blended alloy weld pool solidifies behind the forward movement of the concentrated energy source into a weld joint that fusion welds the ferrous alloy component parts together. The ferrous alloy component parts may include a differential casing and a ring gear. In that regard, a differential casing and ring gear assembly that includes a weld joint is also disclosed.

Abstract: A system and method of monitoring a powder-bed additive manufacturing process is provided where a layer of additive powder is fused using an energy source and electromagnetic emission signals are measured by a melt pool monitoring system to monitor the print process. The measured emission signals are analyzed to identify outlier emissions and clusters of outliers are identified by assessing the spatial proximity of the outlier emissions, e.g., using clustering algorithms, spatial control charts, etc. An alert may be provided or a process adjustment may be made when a cluster is identified or when a magnitude of a cluster exceeds a predetermined cluster threshold.

Abstract: Disclosed is a micro-region semi-solid additive manufacturing method, where rod-shaped materials are used as consumables, and heating modes such as a high-energy beam, an electric arc, a resistance heat, or the like are applied to the front end of the consumables to enable the front end to be in a semi-solid state in which the solid-liquid two phases coexist; at the same time, the rotational torsion and the axial thrust applied on the consumables have powerful effects such as shearing, agitation and extrusion, that is, the mold-free semi-solid rheoforming is performed. The consumable is transmitted to the bottom layer metal continuously in this manner to form metallurgical bonding, the stacking process is repeated according to a planned route obtained after discretization slicing treatment, and then an object or a stack layer in a special shape can be formed.

Abstract: A method of reworking or repairing a component includes removing a casting defect from a component manufactured of a non-fusion weldable base alloy to form a cavity that results in a through hole; sealing the through hole with a backing; and at least partially filling the cavity with a multiple of layers of a multiple of laser powder deposition spots, each of the multiple of laser powder deposition spots formed of a filler alloy, a first layer of the multiple of layers includes a perimeter of the multiple of laser powder deposition spots that overlap a wall of the cavity and the backing.

Abstract: A method according to one aspect of the present disclosure is a laser marking method for a powder compact containing metal powder, which includes: a first step of scanning with laser light of first power which is weaker over a predetermined area in a surface of the powder compact, to melt and smooth inside of the predetermined area; and a second step of scanning with laser light of second power which is greater, to form a dot formed of a recess of a predetermined depth at a predetermined location in the predetermined area.

Abstract: A cutting method for forming a chamfered corner includes a step of selecting a light pattern-adjusting module according to a pre-cut chamfer angle, a step of the light pattern-adjusting module emitting a laser beam to a substrate and thus forming a modified region extending in a thickness direction at the substrate, a step of the light pattern-adjusting module adjusting an axial energy distribution of a light pattern of the laser beam to vary an appearance of the modified region so as to form the modified region fulfilling the pre-cut chamfer angle, and a step of etching the substrate having the modified region to form a chamfered surface on the substrate by cutting the modified region from the substrate.

Abstract: Disclosed is a system for efficiently cutting a transparent substrate. The system includes a laser source in optical communication with at least one multi-foci optical system. The laser source outputs at least one optical signal to the optical system. The optical system is positioned between the laser source and the substrate to be cut. The optical system includes at least one housing detachably coupled to at least one base member. One or more plate members having one or more apertures formed therein may be coupled to at least one of the housing, the baser member, or both. The aperture formed on the plate member may be configured to permit the optical signal to enter and exit the optical system. Various optical subassemblies may be positioned within or coupled to the optical system.

Abstract: Various embodiments include a solder preform for establishing a diffusion solder connection comprising: a microstructure including a solder material and a metallic material; a first joining surface for a first joining partner and a second joining surface for a second joining partner; and a diffusion zone comprising an intermetallic compound of at least some of the solder material and at least some of the metallic material. The first joining surface and the second joining surface include at least some solder material.

Abstract: A solder ball includes 0.1% by mass or more and 10% by mass or less of In and a remainder of Sn. The ball has a yellowness (b*) in an L*a*b* color system of 2.8 or more and 15.0 or less and a lightness (L*) of 60 or more and 100 or less. The ball further includes at least one element selected from a group of 0% by mass or more and 4% by mass or less of Ag, 0% by mass or more and 1.0% by mass or less of Cu, 0% to 3% by mass in total of Bi and/or Sb, and 0% to 0.1% by mass in total of an element selected from a group of Ni, Co, Fe, Ge, and P, excluding a solder ball including 3% by mass of Ag, 0.5% by mass of Cu, 0.2% by mass of In and a remainder of Sn.

Abstract: A composition comprised of manganese or a compound thereof, a cellulosic material, a carbonate, titanium, and one or more from: an alloying agent, a slag-forming agent, an arc-stabilizing agent, wherein the cellulosic material is present at a concentration of 1% to 40%, by weight, and wherein the manganese or a compound thereof is present at a concentration of 0.5 to 5%, by weight, is disclosed. A method of depositing a weld metal on a surface is further disclosed.

Abstract: A spot welding jig is provided. The spot welding jig presses electrode leads of battery cells to be closely adhered onto a bus bar when spot welding is performed to the electrode leads interposed on the bus bar along a width direction of the electrode leads. The spot welding jig includes a passing portion through which a welding laser passes, and a predetermined number of barriers configured to vertically partition an inner space of the passing portion.

Abstract: A wheel press mounting device includes a rack, a servo motor, a synchronous belt, a working table, a base, a thrust bearing, a bearing pedestal, a shaft, a mandrel, hydraulic cylinders, a floating locating pin, strong magnets, floating shafts and a clamp platform.

Abstract: According to the present invention, the operating rate of a machine tool can be increased. Solution is made by a machine tool including a processing chamber surrounded by cover walls to perform processing of a workpiece to be processed, an equerre a part of which is arranged inside the processing chamber, the equerre fixing the workpiece, an opening arranged at a part of the cover walls for access to an inside of the processing chamber, and shutter doors movable between open positions where opening of the opening is performed so that the inside of the processing chamber communicates with an outside of the processing chamber, and closed positions where closing of the opening is performed so that the inside of the processing chamber is isolated from the outside of the processing chamber.

Abstract: A tool attachment abnormality detection device acquires data associated with a machining center, performs pre-processing to create data regarding at least chronological data of a vibration or sound that has been generated in a tool change when a tool has been attached to a tool magazine, where the data is created based on the data that has been acquired, and detects an abnormality in attachment of the tool to the tool magazine based on the data created in the pre-processing stage.

Abstract: A loading device adapted to be provided in a machine tool includes a rail portion and a loader configured to travel along the rail portion, wherein the loader includes a pivoting portion and an arm portion extending and contracting with respect to the pivoting portion, and the arm portion includes a hand portion that holds a workpiece.

Abstract: A minimum quantity lubrication system for accurately measuring and controlling a volume and pressure of a lubricating fluid provided to a machining tool during minimum quantity lubrication machining operations. The minimum quantity lubrication system can further include measuring and controlling a volume and pressure of air provided during machining such that atomization of the lubricating fluid with the air can be controlled. Use of a continuous volumetric flow pump provides a continuous flow of lubricating fluid to the tool during machining operations.

Abstract: A device for removing wheel burrs with brushes not only can be used for continuous automation production, but also can correspondingly adjust the shape of the burr brushes according to the wheel model, so that the shape of the burr brushes is consistent with the shape of wheel spoke back cavity and the shape of the center cap mouth, which does not need to manufacture large quantities of different specifications of brushes, thus saving the manufacture cost. The device has high universality and application value.

Abstract: The utility model discloses a battery powered long-lever sander. The battery powered long-lever sander includes a sander head assembly and a handle. The sander head assembly is connected to the handle and includes a housing and a sanding disc that is disposed in the housing. The battery powered long-lever sander further includes a driving system connected to the sanding disc and configured to drive the sanding disc to run. The driving system is electrically connected to a driving power source, and the driving power source is a battery pack so that the sander can be used without limitations of plugging of a power wire and thus can be used more conveniently.

Abstract: A wheel deburring machine is capable of meeting the demand for mixed-line high-precision clamping in a wheel burr brushing process when being used and is ideal in effect, high in efficiency, safe and reliable in working and high in automation degree so as to be particularly suitable for mass production on a production line.

Abstract: A multi-functional wheel deburring device is capable of removing burrs at the center hole, the flange weight reducing socket, the spoke back cavity weight reducing socket and the spoke edge of the wheel during the use.

Abstract: A wheel conformal burr brushing device includes a lower lifting driving system, a central burr brushing system, a lower gear lifting unit, first burr brushing systems, second burr brushing systems, a synchronous clamping driving system and an upper burr brushing system.

Abstract: A machined wheel post-processing equipment includes a wheel inlet roller way, a lower machine frame, lower guide posts, lower air cylinders, a supporting plate, guide sleeves, a lifting table, guide rails, a clamping cylinder, a left sliding plate, a right sliding plate, a rack and pinion, servomotors, a lifting roller way, clamping wheels, a first servomotor, and a overturning platform.