Abstract: A sheet metal component that is bent from a sheet metal blank includes at least one three-sided corner. Two edges of the three-sided corner are formed by a first bending member of the sheet metal blank bent about a first inner bending radius Ri,1 and a second bending member of the sheet metal blank bent about a second inner bending radius Ri,2, and the third edge of the three-sided corner is formed by a first blank edge of the first bending member and a second blank edge of the second bending member. The sheet metal blank has an internal corner that forms the first blank edge, the second blank edge, and a wedge-like recess that opens in the internal corner.

Abstract: A method of forming an article from a metal alloy sheet material includes selectively hardening only a first localized area of the metal alloy sheet material without hardening a second localized area of the metal alloy sheet material, wherein the second area adjoins the first area to thereby form a blank. The blank has a hardened region formed from the first area and having a first hardness, and a non-hardened region adjoining the hardened region and formed from the second area, and having a second hardness that is less than the first hardness. The method includes stamping the blank to thereby form a preform having a pre-protrusion at least partially formed from the hardened region, wherein the pre-protrusion has a first height, annealing the preform to thereby form a workpiece, and stamping the workpiece to increase the first height and thereby form the article.

Abstract: Provided is a molding method for a plate-shaped workpiece including forming a concave portion (11) at one surface (1a) of a plate-shaped workpiece (1), and bending the plate-shaped workpiece (1) having the concave portion (11) such that the one surface (1a) becomes a concave surface and a rear surface (1b) thereof becomes a convex surface.

Abstract: A unitary barbecue heat source bed and fluid removal channel combination, comprising a plurality of heat source beds, an inclined channel for removing fluid, the heat source beds being adjacent to the channel, wherein the heat source beds and channel are unitary and preferably made from a single sheet of metal.

Abstract: A building element (10) is formed from sheet material having opposite major surfaces (11, 12) that extend between longitudinal edges (13, 14). Margins of the sheet adjacent the longitudinal edges are turned out of a mid-plane of the sheet to form opposite profiled sections (15 and 16). The major surfaces (11, 12) of the building element have different surface characteristics, and one profiled section has one of the major surfaces as its outer surface, and the other profiled section has the other major surface as its outer surface.

Abstract: A hemming head device and method for hem forming one or more edges of deformable material. The hemming head device includes dual biasing spring members which provide a resistive force whether the hemming wheel is in a push hemming operation on an exterior joint edge or in a pull hemming operation on an interior joint edge. The device further includes a quick connect device for selectively connecting hemming wheels and other forming devices to the head and a gauge to measure the relative position or resistive force applied on the forming member by the biasing members. A method for hem forming a workpiece using dual biasing spring members is also disclosed.

Abstract: A disk drive includes a spindle motor attached to a disk drive base. The spindle motor includes a hub that rotates about a spindle rotation axis. An annular disk is mounted on the hub. A clamp is attached to the hub. The clamp has a body portion that is stamped from a metal sheet. The clamp also includes an annular rib that protrudes from the stamped sheet metal body portion towards the annular disk. The annular rib includes an annular contact surface that may be lapped to enhance flatness and that contacts the annular disk. The annular rib also includes inner and outer side walls that are each normal to the annular contact surface.

Abstract: A thin walled body is deformed in a process in which the body is gripped securely in a holding station and, whilst gripped in the holding station, tooling engages to deform the peripheral wall of the body at a predetermined wall zone. The tooling is provided at a tooling station which is adjacent the holding station during deformation. The predetermined wall zone is co-aligned with the tooling by rotation of the body about an axis prior to securing at the holding station.

Abstract: A method and process for obtaining a metal stamp from an intermediate polymer stamp comprising the steps of providing a first print layer on top of a first polymer layer, imprinting structures to obtain an intermediate stamp. A conductive layer is provided on top of the structures to obtain a seed layer if the imprinted polymer is a non-conductive, plating metal on top of the intermediate polymer stamp to obtain a metal stamp then separating the intermediate stamp from the metal stamp. This invention demonstrates stamp replication in high throughput and at low cost.

Abstract: In a method for marking on a surface of a work, kept is a state where an end of a rotating tool for marking is contacted with a surface of the work, and a rotation of the rotating tool is started at the same time when a relative movement of the work in an X-axis direction and/or in a Y-axis direction relative to the rotating tool is started. According to the above marking method, a width of a marked line can be made constant over its entire length.

Abstract: The invention relates to a method for producing a track (14) for a track lifting device (11) and to a track (14) which can be transferred from an idle position into a working position (12) by at least one lifting unit (15), wherein a main body (27) of the track (14) is made from a plate-shaped material, wherein the main body (27) is transferred by a plurality of chamfering steps of the plate-shaped material into an end shape in which, between a load pick-up (16) and a respective side flange (31) adjoining same laterally, a chamfer (28, 29) is formed having a chamfer direction of the chamfers directed toward each other, and each side flange (31) formed in this way is delimited by at least one further chamfer (32, 33) having a chamfer direction opposite to the chamfer direction of the chamfers (28, 29). A receiving web (34) is formed with a travel surface (36) directed toward the running surface (17) of the load pick-up (16).

Abstract: A clamp 1 for a disk rotation driving device 3 has a centering hole 18 and a contact portion 17. The centering hole 18 is fitted to an outer circumference of a centering projection 19 of a hub 7 of the disk rotation driving device 3. A clamping screw 21 is screwed into an axial center of the hub 7 so that a fastening head 23 of the clamping screw 21 fastens the clamp 1 to the hub 7 and so that the contact portion 17 of the clamp 1 comes in contact with an information recordable magnetic disk 5 attached to the hub 7 and applies pressing load onto the disk 5 in a rotation axis direction. The clamp 1 includes a centering cylinder 13 bent in an axial direction. The centering cylinder 13 has a circumferential inner surface. The inner surface defines the centering hole 18. The rounded section 29 is provided along an edge of the centering hole 18 and has a radius smaller than the thickness of the centering cylinder 13. The fastening surface 25 is continuous to the rounded section 29.

Abstract: The present invention provides an apparatus and method for manufacturing a metal separator for a fuel cell, which can manufacture large-sized metal separators in large quantities using metal plates such as stainless steel by thermoplastic deformation using an incremental and synchronized rubber molding process.

Abstract: A semiconductor package includes a curved body and a plurality of semiconductor die. The curved body includes first and second opposing end regions and an intermediate center region. The curved body has a first inflection point at the center region, a second inflection point at the first end region and a third inflection point at the second end region. The center region has a convex curvature with a minimal extremum at the first inflection point, the first end region has a concave curvature with a maximal extremum at the second inflection point and the second end region has a concave curvature with a maximal extremum at the third inflection point. The plurality of semiconductor die are attached to an upper surface of the curved body between the maximal extrema.

Abstract: A method of making a composite panel. A panel is formed by sandwiching a core between first and second facesheets. A longitudinal slot is formed in the panel passing through the first facesheet into the core, including forming a pair of curved flanges in the core. A bend is formed in the panel by bending the panel about the longitudinal axis of the slot, including bringing the curved flanges substantially into conformal engagement with the second facesheet.

Abstract: Provided is a roughened copper foil which has excellent properties in forming a fine patterned-circuit and good transmission properties in a high-frequency range and show high adhesiveness to a resin base and good chemical resistance. A surface-roughened copper foil, which is obtained by roughening at least one face of a base copper foil (untreated copper foil) so as to increase the surface roughness (Rz) thereof, relative to the surface roughness (Rz) of said base copper foil, by 0.05-0.3 ?m and has a roughened surface with a surface roughness (Rz) after roughening of 1.1 ?m or less, wherein said roughened surface comprises roughed grains in a sharp-pointed convex shape which have a width of 0.3-0.8 ?m, a height of 0.4-1.8 ?m and an aspect ratio [height/width] of 1.2-3.5.

Abstract: Decorative clip assemblies attachable to an item of wear, e.g. a boot, are disclosed. The decorative clip assembly includes a bent portion having a first free end portion and a second end portion for draping the clip assembly onto an edge of the item of wear; a mounting portion connected to the second end portion for selectively mounting a first decorative embellishment; and a ring portion connected adjacent to the mounting portion for selectively receiving and carrying a second decorative embellishment. The ring portion includes a spring loaded open end section or a hinged gate ring. The decorative clip assembly may be made of spring wire, spring steel, or rigid plastic or it may be made from a single sheet of spring steel wherein the clip assembly is an integral one piece assembly. Methods for forming the decorative clip assembly are also disclosed.

Abstract: A method of incrementally forming a workpiece. The method includes determining a desired workpiece geometry, generating a tool path in which a feature is formed outwardly from a point that is disposed a maximum distance from a reference position, and incrementally forming the workpiece.

Abstract: A hand tool includes a plate-like body having a connection end from which a handle is integrally connected there which includes a first section and a second section. A grip is connected to the second section. The first section extends from the connection end by an upward angle and the second section integrally extends from the first section by an angle and toward opposite to the connection end. Each of the first and second sections includes a wall which is a curved wall and faces downward. The hand tool is punched from a metal board and includes a plate-like body and an extension portion which is then bent to form the handle and a grip is connected to the handle.

Abstract: A method for producing low-springback half shells made of a metal, in particular steel or a steel alloy, includes drawing in at least one drawing die a blank, such that the blanks have flange regions on the deep drawn body after the deep drawing. The flange regions are shaped by upsetting a corner substantially perpendicularly to a wall of the deep drawn region of the blank and the flange regions are subsequently trimmed in a shearing die, such that half shells without margins are produced.

Abstract: An object of the present invention is to provide a novel method of manufacturing a lever plate that is made of a material having a relatively small thickness but nonetheless has an engaging protrusion having an adequate thickness and an adequate height. A lever plate in a VGS type turbocharger according to the present invention is a lever plate that is incorporated in an exhaust guide assembly in a VGS type turbocharger. The lever plate has a fitting hole into which a shaft part of the adjustable vane is fitted formed at a position close to one end of an elongated plate main body thereof and an engaging protrusion to be engaged with the drive ring formed at the other end thereof. The engaging protrusion is formed by bending a blanking material having the shape of an elongated flat plate.

Abstract: A corrugated metal sheet member fabrication system formed of a material feeder, a roller-ramming unit, a cutting unit, a conveyer, and a finished product receiving rack is disclosed. When the reciprocating cutting-off device is moved forwards or backwards, the belt frame of the conveyer is synchronously moved to carry the movable frames forwards or backwards, and therefore the front driven roller and the rear driven roller with the conveying belt are moved with the movable frames forwards to the extended position or backwards to the retrieved position. After the movable frames has been moved forwards, the front side of the conveying belt is kept spaced above the base for receiving finished products from the reciprocating cutting-off device of the cutting unit and delivering collected finished products to the finished product receiving rack.

Abstract: A system for annealing a formable panel includes a stamping press configured to pre-form the panel using a first die and a second die. The system also includes a transfer device configured to engage the pre-formed panel and transfer the panel from the stamping press. The transfer device includes a heating element configured to anneal the pre-formed panel. The heating element anneals the pre-formed panel in the stamping press after the first die is disengaged from the panel and while the panel is being supported by the second die. A method of processing a formable panel and a method of processing a pre-formed panel in a multi-stage stamping operation, each using the system, are also disclosed.

Abstract: The present invention relates to a method of manufacturing ultra-high strength steel products and, more particularly, to a method of manufacturing ultra-high strength steel products suitable for production of articles having a complicated shape or a high processing depth. The method includes preparing a steel sheet by blanking the steel sheet having hardenability to form a rough shape of a final product, cold-pressing the steel sheet to form a 50˜80% shape of the final product, precisely trimming the cold-formed steel sheet along a contour line corresponding to an outer contour of the final product, and hot-pressing the trimmed product to form the remaining 20˜50% shape of the final product and quenching simultaneous with hot-pressing, after heating the trimmed product to an austenite region of 700° C. or more.

Abstract: In a method of making through-passages in a perforated U-shaped sheet metal part, an inner core is positioned between confronting legs of the sheet metal part in an area of holes, and a support bar is inserted through one hole into the sheet metal part for support of a backside of the inner core. A shaping punch is inserted through another opposite hole into the inner core, thereby forming an inwardly directed collar. After retracting the support bar and the shaping punch and transferring the sheet metal part to replace the first inner core with a second inner core, a centering bar is inserted through the collared hole into the sheet metal part to center the sheet metal part in relation to the centering bar and to support a backside of the other inner core. A further shaping punch is then inserted into the second inner core through the first hole, thereby forming an inwardly directed collar so that the two collars are aligned and form through-passages.

Abstract: A continuous segment of metallic glass material having a thickness substantially less than a width is disclosed. The continuous strip is bent into a repeating pattern of a teardrop shape providing an outer radius and an inner point defined by two adjacent radii.

Abstract: The present invention relates to a low cost parabolic solar concentrator and method to develop the same. The parabolic solar concentrator can be formed by deforming a hybrid plate. Force can be placed on an edge portion of the hybrid plate and/or a middle portion of the hybrid plate. The selective application of the force deforms the hybrid plate into a parabolic solar concentrator, instead of a sinusoidal shape. The hybrid plate can be formed from a first plate, a second plate, and a third plate attached to each other. The characteristics of the first plate, the second plate, and the third plate, can be chosen to allow the hybrid plate to be deformed into the parabolic shape with the selective application of forces.

Abstract: Provided is a press forming method in which the dimensional accuracy is improved and the cost for mass production can be reduced through the reduction of the number of the die corrections, etc. A press forming process forms a blank, which is the material to be pressed, into a product having a predetermined shape including a continuous hat-shaped section in the longitudinal direction and a curved portion protruding toward the top surface side in the longitudinal direction. In the press forming process, an intermediate product which has an excess thickness portion formed at a part of the curved portion of the product and protruding higher than the top surface of the product is formed while constraining the portion of the intermediate product other than the excess thickness portion until the excess thickness portion projects in a direction opposite to the protrusion direction thereof, whereby the intermediate product is formed into a predetermined shape.

Abstract: A method for converting blanks by drawing in a tool with a ram, a die and a pressure pad wherein, converted blanks with high dimensional precision can be produced, includes feeding a blank with a plurality of bulges to the tool. In flange regions of the blank the pressure pad is moved in a first process step of the method into a first position, which corresponds to the height of the bulges of the flange region of the blank added to the blank thickness. In the first process step the blank is preformed in the tool using the ram and in a second process step the pressure pad and the ram are moved into the end positions, so that the blank is converted by the ram to the end form and the pressure pad smoothes the bulges of the flange regions of the blank.

Abstract: A stator assembly having a windage cover for structure adjacent to a cavity bounded by rotating elements in a rotary machine is disclosed. Various construction details are developed for damping vibrations in the windage cover as the windage cover bounds a cavity having swirling high velocity gases that are capable of transmitting acoustic energy and kinetic energy to adjacent structure. In one detailed embodiment, the windage cover in the uninstalled condition has diverging arms that are resiliently compressed during installation to exert a frictional force on the adjacent structure.

Abstract: An information handling system enclosure is formed from a metal panel having a thickness, such as approximately 1 mm, by stamping a raised edge from the panel so that the height of the edge appears as a thickness of the panel, such as 2.5 mm. The raised edge is stamped to have a raised edge of slightly greater than the final edge height and then punched into a corner tool to provide the raised edge with a desired height. Punching into the corner tool forms the edge along the outer circumference of the panel to have a substantially square appearance.

Abstract: A seat bottom chassis includes a pair of brackets configured to support a seat back chassis, and a cushion pan extending between the pair of brackets. The seat bottom chassis is formed from a single piece of material.

Abstract: A clutch cover for use with virtually any combination of make and model of engine components and method of making the same is disclosed. The clutch cover is made by spin forming a sheet of metal and removing material as needed to coincide with the corresponding engine components. Therefore, the exact design of the cover including attaching holes and apertures related to release levers may be quickly and easily formed in the clutch cover. Furthermore, a heat management system is provided that includes the addition of fins or other apertures through the clutch cover to increase the air flow to reduce the temperature within the clutch cover to cool engine components.

Abstract: A power transmission belt low in cost and preventing work precision from being lowered and life expectancy of a metal press working mold from being decreased and a method of producing such a power transmission belt are provided. The power transmission belt includes endless band-like rings, and a plurality of elements bonded into an annular shape by the endless band-like rings. Each of the elements has both side end surface portions pressed between pulleys in the belt width direction, a rocking edge portion serving as a fulcrum when rocked in the state that the elements are partly wound around the pulleys, and a concave-convex portion engageable in concave-convex engagement with the concave-convex portions of a pair of neighboring elements. Each of the elements is formed with a curved inclination surface between the rocking edge portion and the concave-convex portion to have an inclination angle reduced toward the concave-convex portion.

Abstract: Disclosed is a method for making a bicycle pedal, comprising the following steps: (A) cutting, in which an elongate metal plate is formed by pressing and two coupling holes are formed through the plate; (B) bending, in which the metal plate is bent to have the opposite ends jointed to each other, forming a circumferentially enclosed hollow pedal frame with the two coupling holes concentrically located and spaced from and opposing each other; and (C) welding, in which a collar is mounted outside the pedal frame concentric with respect to each of the coupling holes through welding to provide a sufficient contact area for rotatably receiving and supporting a spindle therein, whereby the pedal frame is rotatable about the spindle for pedaling operation of a bicycle. This method overcomes the various drawbacks occurring in metal-cast or plastic injection-molded bicycle pedals, providing economic advantages for high-mix low-volume productions.

Abstract: This invention provides a metal sheet pressing method of precision-pressing a metal sheet, wherein after a metal sheet (1) is partially drawn so as to form a perforated portion (1a), the perforated portion (1a) is heated by baking and after it is heated by baking, the perforated portion (1a) is pressed with press dies into an uneven-surface shape.

Abstract: A hoop for securing a drum head to a drum, the hoop having a lower portion configured to mount the hoop to a shell of the drum and a flange formed in the lower portion of the hoop. The flange being configured to receive a tension control device for tuning the drum head. The hoop may also include an upper portion that is above and normal to the flange and an annular upper edge formed on the upper portion of the hoop that is rolled over and bent inward toward an inner peripheral surface of the hoop. The upper portion may be fixed to the inner peripheral surface of the hoop be welding or another method of fixing.

Abstract: A method for manufacturing a golf club head composed of a metal main body and a non-flat metal face member which are welded each other is disclosed. In order to make the non-flat metal face member, an in-process face material is cut out from a rolled metal plate having a constant thickness. And a turnback is formed around the in-process face material by press working. Before making the press working, the region of the in-process face material corresponding to the turnback is decreased in the thickness by a cutting work.

Abstract: A stud mount for detachably mounting a traction stud to a snowmobile track assembly including an endless drive belt having at least one laterally extending reinforcing rod embedded in the drive belt. At least one stud mount is secured about the reinforcing rod by way of a mounting head and is opened to the ground-engaging side of the track to receive a traction stud. One or more stabilizing arms project laterally from the mounting head and are adapted embedded in the endless drive belt to provide lateral stability to the stud mounts under torque load.

Abstract: An electronic apparatus includes a metal holding member. The holding member includes a first region, a second region formed by hemming the first region, and a third region formed by bending perpendicularly relative to the second region at a bending part. The first region has an opening part. A part of the opening part is blocked by the bending part.

Abstract: An apparatus for applying labels to products includes a label application station at which the labels are applied to a product and an application head movably mounted relative to a base for movement between a first operative loading position spaced from the label application station and a second operative application position at which the application head applies at least one label to a product positioned at the label application station. An electrically actuated solenoid is operatively connected to the application head to move the application head between the first and second operative positions.

Abstract: The present invention provides a pre-hemming apparatus for a door belt part for a vehicle. The apparatus includes a cam driver and a main punch pressing steel, and a cam device. The cam driver and the main punch pressing steel are installed at an upper die, and they are configured to drive the cam device installed at a lower die. The cam device installed at the lower die performs a hemming operation on a panel through a forward and backward motion and a linkage motion. The hemming apparatus performs the hemming operation including a first shifting process, a pre-hemming process, a second shifting process, and a main hemming process by allowing the cam driver and the main punch pressing steel to be linked with the cam device.

Abstract: A lead forming apparatus has a function of bending leads of a semiconductor device having leads into a gull wing shape. The lead forming apparatus includes: a lead bending die, as a lower die, allowing thereon placement of the semiconductor device and accepting the leads in the bending leads; a lead bending punch, as an upper die, descending towards the lead bending die so as to move the leads of the semiconductor device towards the lead bending die, to thereby bend the leads into a gull wing shape; and a first stopper specifying the bottom dead center of the lead bending punch, so as to ensure a distance not smaller than thickness of the leads between the bottom surface of the lead bending punch and the top surface of a portion, allowing thereon placement of the leads, of the lead bending die.

Abstract: A plate workpiece having an edge is bent with a press having a stationary upper die with a lower face and a vertically and horizontally movable lower die with an upper face. With the upper face of the lower die spaced below the lower face of the upper die, the workpiece is fitted between the dies such that the edge of the plate bears in a horizontal direction on the upper face of the lower die and an upper face of the plate bears upward on a portion of the lower face of the upper die. Then the lower die is moved vertically upward toward the upper die at a predetermined vertical rate while the lower die is shifted horizontally synchronously in the direction at a predetermined horizontal rate such that the plate edge engaging the lower-die upper face does not shift there along during upward movement.

Abstract: Disclosed is a press system having advantages of preventing a molded product panel from bursting or being torn due to a difference in molding depth caused by a protrusion shape to improve the moldability and marketability of the product panel when press molding is performed on a material panel. An illustrative press system comprises: a lower die punch provided on a bolster and having a lower surface shape of a product panel; a blank holder provided on the outside of the lower die punch and mounted on the bolster through cushion pins; an upper die having an upper surface shape of the product panel, mounted on the slider, and pressing a material panel together with the lower die punch to mold the product panel; and a sub blank holder unit provided inside the lower die punch by performing the molding while holding a portion of the material panel to be molded into a protrusion shape together with the upper die such that a difference in molding depth is compensated when molding is performed.

Abstract: A golf club head has a hollow structure comprising a head main body provided with a opening and a cover covering the opening. The head main body is made of a metal material and provided in the opening with a supporting part for supporting a peripheral edge part of the cover fitted in the opening. The cover is made of a low specific gravity material. A method for producing the golf club head comprises a step of preparing a first workpiece having an opening, which step comprises forming the supporting part through a press working of a sheet metal having a uniform thickness.

Abstract: A melt plate for use in a solid ink printer is formed with a drip plate to provide controlled flow of melted ink from the melt plate to a drip point. The melt plate includes a first portion having a perimeter, a second portion having a perimeter, the second planar portion angling from the first portion along a transition boundary at a first angle, a first rim extending around the perimeter of the first portion except along the transition boundary, the first rim angling from the first portion at a second angle, and a second rim extending around the perimeter of the second portion except along the transition boundary and a drip point, the second rim angling from the second portion at a third angle, the third angle being different than the second angle.

Abstract: In a method for manufacturing a metal-made three-dimensional substrate, a metal foil is passed between a pair of rollers 21 and 22 . Each surface S of a pair of the rollers 21 and 22 is provided with protrusion portions 23 arranged in a grid pattern, and the protrusion portions 23 are arranged so that protrusions 23 of the one roller 22 are oriented toward the center 27 of a virtual quadrangle having four adjacent protrusion portions 23a to 23d of the other roller 21 as the apices.

Abstract: The invention relates to a method for manufacturing an enclosure of a sheet material and to an enclosure of a sheet material, which is manufactured of a sheet blank, of which the sides and the base of the enclosure have been folded, and the seams have been joined together. At least one corner to be folded of the enclosure is cut open from a part of the range in the sheet blank so that the unopened section corresponds to the smallest dimension to be folded in the product series of enclosures.

Abstract: Method and apparatus for continuously forming a one-piece expanded metal gutter cover having at least one solid edge. The method involves feeding a continuous web of solid metal along a continuous path, expanding the continuous web as it is fed along the continuous path, profiling a solid edge margin of the web as it is fed along the continuous path, and cutting the continuous web transversely of the web at intervals along the web to form separate gutter covers.