Abstract: A method for manufacturing a molded member is provided wherein the base metal sheet is subjected to multi-stage drawing to manufacture the molded member, including a tubular body and a flange formed at an end portion of the body. The multi-stage drawing includes: preliminary drawing for forming a preliminary body having a body element from the base metal sheet; at least one compression drawing performed after the preliminary drawing and forming the body by drawing the body element while applying a compressive force to the body element; and at least one finishing ironing performed after the at least one compression drawing.

Abstract: A fine blanking cam die for removing a slug from a workpiece includes an axially moveable punch, laterally moveable cam dies and a driver engaged with at least one of the cam dies. The laterally moveable cam dies define an aperture to receive the punch. Movement of the driver causes movement of at least one of the cam dies such that a side force is applied to a slug of material being formed as the punch travels through the workpiece.

Abstract: A tandem water spot cooling device for a top die. The device includes a spot cooling device main body, a lower sealing plate, an outer-ring circular track, an inner-ring serpentine passage, outer-ring flow dividing baffles, inner-ring flow dividing baffles, outer-ring through holes, inner-ring through holes, bolt hole reservation positions, stripper rod reservation positions, and water inlet and outlet connection through holes.

Abstract: A bond fixture includes a frame that defines a chamber for receiving a component. At least one bladder assembly is mounted to the frame and extends into the chamber to apply a pressure to an adjacent surface of the component. A caul assembly is positionable about the component and receivable within the chamber. The caul assembly heats a localized portion of the component.

Abstract: A safety power assist for a manual press is provided. In another aspect, a press includes a tool, a manual actuator, a switch and an automatically powered actuator. A further aspect of the present press employs a spring which must be compressed beyond a predetermined pinching force before a switch is activated, where switch activation causes an automatically powered actuator to advance a workpiece-contacting punch or tool.

Abstract: Method for press-rolling a mainspring, from a wire comprising a pre-formed eye, utilizing a roller press comprising a first support and guide means exerting a force on the wire in a first contact area located between a second and a third contact area comprised in a second and a third support and guide means, in order to wind, beyond the eye, an accumulation area with an opposite curvature to that of the eye, and wherein, as the wire advances, the position of the first contact area is gradually moved away from the second and third contact areas, to vary the press-rolling radius from a first minimum value to a second maximum value at a neck junction between the accumulation area and the eye.

Abstract: A receiver assembly can be coupled to a spindle to receive self-piercing rivets carried by a tape along a tape path below a punch. A reverse locking pawl can be designed to permit movement of the tape relative to the reverse locking pawl along the tape path in a forward direction and to engage a positioning aperture of the tape to stop movement of the tape in the reverse direction when a lead rivet is aligned with the punch. A method can include moving the tape forward along the tape path until a lead rivet of the tape is at a position along the tape path that is beyond an alignment position with the punch, and moving the tape in reverse to engage the corresponding positioning aperture.

Abstract: A transfer station for temporarily storing at least one interchangeable die. The die can be removed by a joining tool to carry out a joining operation, and can be returned back into the transfer station after the joining operation. The transfer station including a die receptacle for holding the die, and a rotating device for rotating the die in the receptacle in order to establish an axial engagement between the die and the joining tool.

Abstract: A forged crankshaft production method includes a first preforming step, a second preforming step, and a final preforming step. The first pair of dies includes web processing parts to come into contact with portions to be formed into arms and portions to be formed into weights integrated with the arms. Each of the web processing parts includes an arm processing part and a weight processing part. The arm processing part and the weight processing part form a recessed portion, and the width of the open side of the weight processing part becomes greater with increasing distance from the bottom of the recessed portion. Accordingly, in the blank, volume can be distributed between a portion to be formed into an arm and a portion to be formed into a weight integrated with the arm, and the material yield rate can be improved.

Abstract: Providing a method of modifying refractory particles used to produce a casting mold by using a furan resin as a binder, so as to effectively improve a strength of the casting mold and to reduce a required amount of the binder. An artificial aggregate which is artificially produced and which has an apparent porosity of not more than 5% is used as the refractory particles, and the artificial aggregate is subjected to a heat treatment at a temperature of 400-1500° C. for not shorter than one hour in a heating atmosphere having an oxygen concentration of not higher than 15%.

Abstract: An alloy part is cast in a mold (280) having a part-forming cavity (292, 294, 296). The method comprises pouring a first alloy into the mold. The pouring causes: a surface (550) of the first alloy in the part-forming cavity to raise relative to the part-forming cavity; a branch flow of the poured first alloy to pass upwardly through a first portion (304) of a passageway; and the branch flow to pass downwardly through a second portion (310), of the passageway; solidifying some of the first alloy in the passageway to block the passageway while at least some of the first alloy in the part-forming cavity remains molten. A second alloy is poured into the mold atop the first alloy and solidified.

Abstract: A method of forming a component includes the steps of placing a core into a mold and pouring a component material around the core. The component material is allowed to solidify. The core is then removed from within the material, leaving a component having at least a first and a second cavity formed by the core. A first filler material is moved into the first cavity, and a second filler material is moved into the second cavity. The component is inspected for the presence of an apparent residual core within the first cavity and the second cavity. The location is identified of the apparent residual core from the core based upon an identification of whether the location of the apparent residual core is in the first or second filler materials. A method of inspecting a component formed by investment casting is also disclosed.

Abstract: A refractory block configured to surround an outlet modifies, within a refractory vessel, the flow of molten metal passing through the outlet. The block takes the form of a base through which a main orifice passes, and a wall extending upwards around the periphery of the base. Structural features that may be included in the block include a circumferential lip around the exterior of the wall, an interior volume in which the radius decreases downwardly towards the main orifice in a plurality of steps, and flow openings in the wall that are configured to induce swirling in the flow pattern in the interior volume of the block.

Abstract: A variety of additive manufacturing techniques can be adapted to fabricate a substantially net shape object from a computerized model using materials that can be debound and sintered into a fully dense metallic part or the like. However, during sintering, the net shape will shrink as binder escapes and the base material fuses into a dense final part. If the foundation beneath the object does not shrink in a corresponding fashion, the resulting stresses throughout the object can lead to fracturing, warping or other physical damage to the object resulting in a failed fabrication. To address this issue, a variety of techniques are disclosed for substrates and build plates that contract in a manner complementary to the object during debinding and sintering.

Abstract: The present invention relates to an improved process for the production of sintered moldings by molding a mixture of a sinterable ceramic or metallic powder and polyoxymethylene or a copolymer containing a majority of oxymethylene units as binder to give a compact, removing the binder from the compact by treatment with a gaseous acid, and sintering the resulting molding.

Abstract: A method of attaching a projection to a thin walled component, the thin walled component having a first surface and an opposite second surface, the method comprises the steps of: (i) providing a thin walled component; (ii) identifying a first position on the first surface of the thin walled component; (iii) building a hollow thin walled lattice structure on the second surface at a second position using a liquid metal deposition process, the second position corresponding to the first position; and (iv) building a projection on the first surface at the first position using a liquid metal deposition process.

Abstract: Disclosed are interfacially modified particulate and polymer composite material for use in injection molding processes, such as metal injection molding and additive process such as 3D printing. The composite material is uniquely adapted for powder metallurgy processes. Improved products are provided under process conditions through surface modified powders that are produced by extrusion, injection molding, additive processes such as 3D printing, Press and Sinter, or rapid prototyping.

Abstract: A method for producing monodisperse spherical granules includes heating a dispersed chemically active material that contains at least one rare-earth metal, melting the material in a pot to form a melt, forming a laminar jet when the melt flows through a die made of a high-melting metal, forming a flow of monodisperse drops when the jet disintegrates under an action of perturbations applied with a set frequency, collecting any granules formed after switching to a stationary granulation mode, wherein, before the melt is fed to the die, an outer surface of the melt is covered with a film of an oxide of a dispersed chemically active material, helium is bubbled within the melt, mechanical impurities are removed from the melt.

Abstract: The present specification relates to a method for preparing a metal nanoparticle.

Abstract: An on-car brake lathe is provided with a runout compensation system configured to monitor the rotational position of a pair of slant discs within an aligning joint of the on-car brake lathe. The system monitors the amount of runout present between the rotating components of the on-car brake lathe and the wheel hub to which the on-car brake lathe is secured. The system calculates the appropriate rotational position for each slant disc within the aligning joint required to impart a necessary adjustment in the wheel coupling rotational axis in order to align the on-car brake lathe with the rotational axis of the wheel hub. Finally, an adjustment mechanism is activated to rotationally drive each slant disc directly to the calculated rotational position with a minimum amount of rotational movement based on the current rotational position of each slant disc and the required calculated rotational positions.

Abstract: An apparatus for cutting a pipe has a base comprising a pipe support having at least one set of lower rollers and an upper frame supporting a cutting apparatus and at least one upper roller. The upper frame is moveable relative to the base between an open position in which the pipe may be inserted between the at least one set of lower rollers and the at least one upper roller, and a clamping position in which the pipe is in contact with the at least one set of lower rollers and the at least one upper roller. The cutting apparatus comprises a grooving member configured to provide an annular groove on an outer surface of the pipe, a cutting member configured to cut the pipe, and a chamfering member configured to provide a chamfer on the outer surface of the pipe between a location of the annular groove and a location of the cut in the pipe.

Abstract: A coated tool includes a hard coating layer that is formed with a (Ti,Al)(C,N) layer on its surface, the layer including an upper layer where a periodic compositional variation in Ti and Al is present in crystal grains having an NaCl type face-centered cubic structure, and a lower layer where a periodic compositional variation in Ti and Al is not present. The upper layer has a high Al amount, while the lower layer has a low Al amount. A value of I(200)/I(111) of the upper layer is greater than 10 and that of the lower layer is less than 3. The lower layer has a composition inclined structure where the Al amount increases from a tool body side towards an upper layer side. The lower layer contains multiple layers, where the Al amount of each layer can increase from the tool body side towards the upper layer side.

Abstract: A surface-coated cutting tool has a hard coating layer on a tool body. The hard coating layer includes a (Ti1?xAlx)(CyN1?y) layer (the average amount Xavg of Al and the average amount Yavg of C satisfy 0.60?Xavg?0.95 and 0?Yavg?0.005). Crystal grains having an NaCl type face-centered cubic structure in the layer have {111} orientation, a columnar structure in which the average grain width of the individual crystal grains having an NaCl type face-centered cubic structure is 0.1 ?m to 2.0 ?m and the average aspect ratio is 2 to 10 is included, and in the individual crystal grains having an NaCl type face-centered cubic structure, a periodic compositional variation in Ti and Al in the composition formula: (Ti1?xAlx)(CyN1?y) is present and the difference between the average of maximum values of x and the average of minimum values thereof is 0.03 to 0.25.

Abstract: A circular jig apparatus to allow cutting or marking of large circular holes in sheets of material using a tool with a cutting blade or marking device is disclosed. This apparatus includes a system to hold the hold the tool in place, adjust the size or radius of the circular hole, and guide the cutting blade or marking device around in a circle on the sheet of material. In particular the cutting tool may be a vibrating blade. A system is also disclosed to match the curvature of the cutting blade to the arc or radius of the circle being cut. A system is also disclosed to provide a depth stop for the cutting blade. A system to hold a wide variety of marking or dispensing devices for use with the circular jig is also disclosed.

Abstract: In a surface-coated cutting tool, a hard coating layer composed of a lower layer and an upper layer is deposited on a surface of a tool body made of a WC-based cemented carbide or a TiCN-based cermet. The lower layer has at least one Ti compound layer made of a TiCN layer and the upper layer is made of an ?-type Al2O3 layer. In a case where, regarding Al2O3 crystal grains of the entire upper layer, a constituent atom-sharing lattice point distribution is measured, a highest peak is present in ?3, and a distribution ratio of ?3 is 70% or more. A ratio of a ?3-coincidence grain boundary continuing from an interface between the lower layer and the upper layer to an outermost surface of the upper layer is 60% or more of a ?3-coincidence grain boundary of the upper layer.

Abstract: A cutting insert of an embodiment includes an upper surface including a first upper cutting edge and a second upper cutting edge, a lower surface including a first lower cutting edge and a second lower cutting edge, and a side surface. The side surface includes a first surface extending from the second upper cutting edge, a second surface extending from the first lower cutting edge, a third surface extending from the first upper cutting edge, and a fourth surface extending from the second lower cutting edge. The first surface and the fourth surface are parallel to a central axis. The second surface is inclined so as to depart from the central axis as going from the lower surface toward the upper surface. The third surface is inclined so as to depart from the central axis as going from the upper surface toward the lower surface.

Abstract: A rotary tool can be adapted for removing material from a workpiece such as a lower receiver. A rotary tool can have an adapter with a major diameter, and a cutter head with a minor diameter. The major diameter of the adapter can reduce deflection and chatter, while the minor diameter of the cutter head can be used to manufacture lower receivers with accuracy. The rotary tool can be adapted to be engaged with a rotary power tool.

Abstract: In one embodiment, a cutting tool includes an insert that includes a cutting edge at at least one part of a portion where two surfaces intersect. The cutting tool further includes a holder capable of rotating about a rotational axis. The holder includes a pocket including: a placement portion where the insert is positioned; and a cutout portion is adjacent to the placement portion and positioned further forward in a rotational direction than the placement portion. The holder further includes an inflow port that opens at at least one part of the holder, a first flow path positioned in the interior of the holder, and an outflow port positioned at the pocket. The cutout portion includes a recessed portion.

Abstract: A reciprocating saw blade assembly that includes a drive blade and one or more side blades positionally coupled to the drive blade is disclosed. The drive blade may include a tang on a first end of the drive blade configured to removably couple to a reciprocating saw tool. A cutting edge may extend at least partially between the first end and a second end. The one or more side blades each may include a first end proximate and offset from the first end of the drive blade such that the tang of the drive blade is exposed, and a cutting edge that is at least partially between the first end and the second end of each side blade. The drive blade and the one or more side blades may be positionally coupled with at least two rivets extending through the drive blade and the one or more side blades.

Abstract: Various aspects include a composite component (also known as a Shear Enabled Regionally Engineered Facet (SEREF)) and methods of forming such a component. In some cases, a method includes: forming a slot in a main body of a metal alloy component, the slot extending at least partially through a wall of the metal alloy component, the forming of the slot including forming an angled main body interface in the wall of the metal alloy component; forming a coupon for coupling with the slot in the metal alloy component, the coupon having an angled coupon interface complementing the angled main body interface; and brazing the coupon to the main body at the slot to form a composite component.

Abstract: A method for joining a first part formed of an aluminum material to a second part formed of a steel material by metal inert gas welding and cold metal transfer is provided. An aluminum filler material forms a fillet joint between the parts and provides a structure for automotive body applications, such an aluminum bumper extrusion joined to a steel crush box connection. The first part includes a notch for hiding the start and end of the joint. A transition plate formed of a mixture of aluminum material and steel material can be disposed between the first part and the second part to provide the notch. The second part can include a mechanical fastener further joining the parts together. In another embodiment, the second part includes a plurality of dimples and is welded to the first part along the dimples.

Abstract: A method and apparatus for providing welding type power is disclosed. At least one circuit board is used that is partially potted using a potting barrier affixed to the circuit board. The partially potted portion can be inside an enclosed air flow space.

Abstract: The present invention improves the stability of welding conditions in a welding method that involves cyclically repeating forward feed and reverse feed of a welding wire. Provided is an arc welding control method involving cyclic repetition of forward feed and reverse feed of a welding wire at feed speed, generating short-circuit intervals and arc intervals, during which arc intervals, application of a first welding current is followed by application of a second welding current smaller than the first welding current, wherein the phase of the feed speed at the point in time of transition from an arc interval to a short-circuit interval is detected, and the value and/or the application duration of the first welding current is varied in accordance with the detected phase. In so doing, fluctuation of the phase of the feed speed due to outside disturbances during generation of short-circuiting can be minimized.

Abstract: There is provided an arc welding control method of alternating feeding of a welding wire between forward feeding and reverse feeding periodically according to a feeding rate pattern constituted of a forward feeding amplitude, a reverse feeding amplitude, a forward feeding period and a reverse feeding period, stored in correspondence to an average feeding rate setting value, and generating short-circuiting periods and arc periods to perform welding. An average feeding rate of the welding wire is detected, and at least one of the forward feeding amplitude, the reverse feeding amplitude, the forward feeding period or the reverse feeding period is changed so that the detected average feeding rate equals the average feeding rate setting value, thereby automatically correcting the feeding rate pattern.

Abstract: Granular welding flux delivery devices and strip cladding systems with granular welding flux delivery devices are disclosed. A disclosed example granular welding flux delivery device includes a hopper having: an intake opening to receive granular welding flux; a chute; and an output opening to output the granular welding flux to an electroslag strip cladding process, a submerged arc welding process, or a submerged arc strip cladding process. The example granular welding flux delivery device further includes a chute divider positioned within the chute to reduce an intake rate of granular material through the intake opening by reducing a cross-section of the chute based on a dimension of the chute divider. The disclosed example granular welding flux delivery device includes an adjustable output cover attached to the chute proximate to the output opening to extend or retract a length of the chute by adjusting a location of the output opening along the chute.

Abstract: The invention features a frame for a plasma arc torch cartridge. The frame includes a thermally conductive frame body having a longitudinal axis, a first end configured to connect to a first consumable component, and a second end configured to mate with a second consumable component. The frame body surrounds at least a portion of the second consumable component. The frame also includes a set of flow passages formed within the frame body. The set of flow passages fluidly connects an internal surface of the frame body and an external surface of the frame body. The set of flow holes is configured to impart a fluid flow pattern about the second consumable component.

Abstract: A cutting tool that can simultaneously cut and restore asymmetric weld face geometries of two welding electrodes that are subject to different degradation mechanisms is disclosed along with a method of using such a cutting tool during resistance spot welding of workpiece stack-ups that include dissimilar metal workpieces. The cutting tool includes a first cutting socket and a second cutting socket. The first cutting socket is defined by one or more first shearing surfaces and the second cutting is defined by one or more second shearing surfaces. The first shearing surface(s) and the second shearing surface(s) are profiled to cut and restore a first weld face geometry and a second weld face geometry, respectively, that are different from each other upon receipt of electrode weld faces within the cutting sockets and rotation of the cutting tool.

Abstract: The present application relates to the technical field of 3D printing apparatus, and discloses an electron beam melting and cutting composite 3D printing apparatus which comprises a box and an electron beam gun, in which the box has a cavity formed therein, the cavity is provided therein with a cutting structure, a first Y-direction guide rail and a Y-direction movable platform, the electron beam gun has an emitting head formed in the cavity, the Y-direction movable platform is provided thereon with a Z-direction movable platform, the Z-direction movable platform is provided thereon with a powder spreading structure, the cutting structure has a cutting head, a shielding case is arranged between the emitting head and the Z-direction movable platform, the emitting head of the electron beam gun is inserted in an upper opening of the shielding case, and a lower opening of the shielding case is aligned with the Z-direction movable platform.

Abstract: The friction stir welding head presented herein includes a head housing and an axle. The head housing extends from a top end to an open bottom end and defines a bore extending between the top end and the open bottom end. The axle that is coaxial with and rotatable within the bore. The axle is also laterally secured within the head housing and axially movable with respect to the head housing. Still further, the axle includes an engagement end that extends beyond the open bottom end of the head housing. The engagement end supports a friction stir welding tool that is configured to rotate with the axle to effectuate friction stir welding operations. The friction stir welding head may also include a load cell configured to generate load signals in response to axial movement of the axle.

Abstract: A laser beam irradiation apparatus including a laser source configured to emit light; a collimator configured to collimate the emitted light; a scanner configured to adjust the collimated light to change an irradiation direction thereof; a first lens part configured to focus the adjusted light to irradiate a laser beam on a sealing part; a camera configured to receive visible light passing through the scanner; a heat sensing part configured to receive infrared (IR) light passing through the scanner; and a control part configured to control a moving direction and an intensity of the laser beam.

Abstract: A laser beam machine includes a number of laser modules that each generate a laser beam and a combiner that collects a plurality of laser beams generated from the laser modules to output one laser beam. The laser beam machine further includes a plurality of driving power supplies that supply power to the laser modules, respectively, a calculation device that calculates a driving condition for each of the laser modules according to a received machining condition, and a power-supply control apparatus that causes the driving power supplies to supply power to the laser modules in accordance with the driving condition. The calculation device controls the power-supply control apparatus to reduce differences in integrated laser-output times of the laser beams generated by the laser modules.

Abstract: Described herein are an apparatus and a method for direct engraving an elastomeric printing plate or sleeve by multiple laser beams simultaneously. In one embodiment, an elastomeric printing plate or sleeve is positioned on an imaging drum for direct engraving. The imaging drum is rotatable around its longitudinal axis. Such rotation defines a circumferential direction, also called the transverse direction. The axis of rotation defines an axial direction, also called the longitudinal direction. The printing plate or sleeve has an body and a surface made of an elastomer (made of polymer or rubber). A drive mechanism provides relative motion between a plurality of laser beams and the plate or sleeve in both the transverse and longitudinal directions.

Abstract: A compact system that accurately process a workpiece includes a first processing device including a laser head that moves with respect to a plate-shaped workpiece in a first processing region to process the workpiece, a fork device that supports the workpiece in the first processing region, a transfer device that holds and transfers the workpiece supported by the fork device, and a second processing device including a processing tool that moves in a direction intersecting a transfer direction of the workpiece in a second processing region and processes the workpiece, the second processing region being located in a portion of a transfer path of the workpiece transferred by the transfer device.

Abstract: An object is to provide a suction method and a suction device which depressurize the pressure of the surface of a target installed in an open system to a critical pressure or less and which thereby can suck it and a laser processing device and a laser processing method using these. In a state where a predetermined operating distance is apart from a target installed in an open system and a suction port, the pressure of an inside of a pressure reduction chamber communicating with the suction port is set equal to or less than a critical pressure at which the speed of a gas sucked from the suction port is brought into a critical state; the jet speed of the gas in a jetting port from which the gas is jetted toward the target is set more than a Mach number of 0.

Abstract: A laser processing system herein includes a laser oscillator, a laser optical path that guides laser beam from a laser beam emission port of the laser oscillator to a workpiece, an impure gas absorbent for absorbing impure gases that influence the propagation of the laser beam, and a shutter that exposes the impure gas absorbent in the laser optical path.

Abstract: A welding method for joining together a plurality of welding objects by overlapping the plurality of welding objects and performing laser welding includes forming a weld by forming a plurality of nuggets along a virtual closed curve on the welding objects, by laser welding. A ratio of a diameter of the nuggets to a pitch dimension between the nuggets that are adjacent to each other is larger than ½ and no more than 1.

Abstract: A tool for forming a shaped product has a support body that is fabricated from a first material, such as for instance cast iron. The first material defines a first portion of a forming surface of the tool and has a feature supported thereon. The feature has a layer of a second material that is supported on the first material of the support body, a layer of a third material that is supported on the layer of the second material and a layer of a fourth material that is supported on the layer of the third material. The layer of the fourth material, such as for instance a tool steel alloy, defines a second portion of the forming surface of the tool. During use the first portion of the forming surface and the second portion of the forming surface cooperate to form a desired shape of the shaped product.

Abstract: The present invention relates to a device as well as a method for the additive manufacture of components by deposition of material layers by layer-by-layer joining of powder particles to one another and/or to an already produced pre-product or substrate, via selective interaction of the powder particles with a high-energy beam, wherein, for smoothing a surface of the component being produced running crosswise to the deposited material layers in between the deposition of two layers of the component, the complete edge region of the last layer that is applied and that runs along a surface of the component being produced is compacted in a direction of action that has a directional component parallel to the build-up direction of the layers, and/or at least one edge region of a surface of the component is also compacted.

Abstract: In some embodiments, a processing system and a method for operating the processing system may include at least one processing area, one control area, one input area and optionally one receiving area and/or one presentation area. Via an input and/or display element, a user can enter a text and/or graphics in an operating software installed therein, which can be passed to a control software running in the control area. Into the input area and/or the control area a database is integrated, in which the data of the blanks or workpieces to be processed are stored.

Abstract: A laser processing device has a preprocessing controller which issues a command to perform preprocessing of a workpiece under high output conditions, which are previously found by an experiment or calculation in accordance with at least some of processing conditions and which include the irradiation intensity and irradiation time, at which a workpiece is melted, changed in shape, or denatured; a command to irradiate the workpiece with a laser beam under low output conditions, which are previously found by an experiment or calculation in accordance with at least some of the processing conditions and which include the irradiation intensity and irradiation time, at which a workpiece is not melted, changed in shape, or denatured; and a command of whether to start the laser processing, based on a first light quantity of light reflected or emitted from a processing point irradiated with a laser beam under the low output conditions.