Abstract: A press forming method forms a press-formed product having a hat-shaped cross section and includes: a first forming process of press-forming a preformed part in which a portion corresponding to web corresponding to a web portion, and a portion corresponding to side wall corresponding to a side wall portion and including a twisted side wall portion of a twisted shape along the longitudinal direction, are formed, the preformed part including a portion corresponding to convex curve corresponding to a convex curved portion; and a second forming process of press-forming the preformed part into the press-formed product. The twisted side wall portion at the first forming process is twisted such that an angle between the twisted side wall portion and the portion corresponding to web is larger on an end portion side than at a center of the portion corresponding to convex curve in the longitudinal direction.

Abstract: A press forming method includes a first step of pinching one part of a metal sheet by means of a die and a pad, and a second step of moving a punch in a direction in which the punch approaches the die relatively to perform press forming on the metal sheet. The die has a first support surface which has an edge including a curved portion. The pad has a second support surface facing the first support surface of the die. The first support surface includes a first flat portion, and a first deformation portion which protrudes or is recessed with respect to the first flat portion. The second support surface includes a second flat portion which faces the first flat portion, and a second deformation portion which is recessed or protrudes with respect to the second flat portion so as to correspond to the first deformation portion. The first deformation portion is provided on a normal line of the curved portion as viewed from a pressing direction.

Abstract: A method includes: forming either one or both of convex and concave bead portions at surface portions corresponding to sites of a side wall portion on both sides of a convex curve site and to sites of a side wall portion on both sides of a concave curve site; and squashing the bead portions, wherein the bead portions formed on both sides of the convex curve site are tilted such that an end part of the bead portion positioned on the convex curve site side is farther from a baseline and the other end part is closer to the baseline; and the bead portions formed on both sides of the concave curve site are tilted such that an end part of the bead portion positioned on the concave curve site side is closer to the baseline and the other end part is farther from the baseline.

Abstract: A press forming method forms a press-formed product having a hat-shaped cross section and includes: a first forming process of press-forming a preformed part in which a portion corresponding to web corresponding to a web portion, and a portion corresponding to side wall corresponding to a side wall portion and including a twisted side wall portion of a twisted shape along the longitudinal direction, are formed, the preformed part including a portion corresponding to concave curve corresponding to the concave curved portion; and a second forming process of press-forming the preformed part into the press-formed product. The twisted side wall portion at the first forming process is twisted such that an angle between the twisted side wall portion and the portion corresponding to web is smaller on an end portion side than at a longitudinal center of the portion corresponding to concave curve.

Abstract: A material is press formed into a component shape including a top sheet portion including a curved outer peripheral edge portion curved in such a manner as to be recessed inward, a vertical wall portion, and a flange portion. When a lower die and a pad sandwich a sandwiching region that is a region including at least a part of a region corresponding to the top sheet portion, an upper die is moved in a pressing direction to perform bending while moving the sandwiched material to the vertical wall portion side. A surface of the lower die that sandwiches the sandwiching region is provided with one or more ridgelines for forming bends. The ridgelines are set at positions such that, when the bending is complete, the position of the top sheet portion is located on the vertical wall portion side rather than the positions of the ridgelines.

Abstract: A separating disc adapted to be included in a disc package of a centrifuge rotor of a centrifugal separator adapted for separation of components in a supplied medium. The separating disc extends around an axis of rotation and has a tapering shape along the axis of rotation. The separating disc further includes a plurality of distance members, wherein each distance member is formed by a pressed marks extending radially. The separating disc is provided with a guiding arrangement including a number of index positions for providing indexing of the separating disc in the disc package in a rotational position. The number of index positions is different than the number of the plurality of distance members.

Abstract: The present disclosure generally relates to a magnetic recording device having a magnetic recording media guide support system with a load-unload mechanism. The magnetic recording media guide is positioned between the magnetic head assembly and at least one guide roller, and moves a magnetic recording media surface closer to and further from the magnetic head assembly. The magnetic recording media guide is movable in a direction perpendicular to a direction that the magnetic recording media moves past the magnetic head assembly. The magnetic recording media guide is stationary in relation to the magnetic recording media when the magnetic recording media moves past the magnetic head assembly while a magnetic head is positioned to read data from or write data to the magnetic recording media. Additionally, the magnetic recording media guide can planarize the magnetic recording media surface on the magnetic head.

Abstract: A method of forming a vehicle panel includes deforming a sheet metal workpiece between stamping tools to form a first and second edges that converge at a corner of the workpiece's main surface. The first edge is defined by a junction of the main surface and a first flange. The second edge is defined the main surface and a second flange. Forming the first and second edges includes deforming the workpiece so that the second flange has a first region bent to a first angle relative to the main surface and an unwinding region bent to an angle that unwinds from the first region as the second flange approaches the corner. The method includes deforming the workpiece between a second set of stamping tools that deform the first flange and the unwinding region of the second flange until the first and second flanges are bent greater than 90°.

Abstract: A method for manufacturing a press formed product is disclosed. The manufacturing method includes a first step of manufacturing an intermediate component by forming the curved part such that a line length along the longitudinal direction of a curved convex side WA is shorter than a line length in the product shape and a line length along the longitudinal direction of a curved concave side WB is longer than a line length in the product shape; and a second step of forming the intermediate component such that a line length of the curved convex side WA is longer than the line length in the first step and a line length of the curved concave side WB is shorter than the line length in the first step.

Abstract: A method for the design and development of new ballistic resistant articles is provided. Improved ballistic articles are formed of polyethylene-based composite laminated structures having unique material properties including material density, Poisson's ratio, and modulus of elasticity (Young's modulus). Cycle time for completing design and development is less than 30 calendar days.

Abstract: Described herein is a new method and device for operating a hemming head of the type comprising a hemming roller (101) and a second, opposed, roller (102), which are rotatable about respective axes contained in one and the same plane. The method includes variation of the position of the second roller that is opposed to the hemming roller as a function of a signal indicating the force exerted by said second roller on the metal sheet and/or as a function of a signal indicating the position of the head along the machining path.

Abstract: A jaw member for use on a surgical stapling instrument includes a cartridge assembly and a cartridge housing each having an arcuate configuration. The cartridge assembly includes a surface configured to engage tissue and a plurality of rows of fastener retaining slots extending along a length of the cartridge assembly. The cartridge housing defines a channel configured for receipt of the cartridge assembly. The cartridge housing includes a base portion and a plurality of tabs. The base portion has a concave inner edge and a convex outer edge. The tabs extend from the concave inner edge and the convex outer edge. The tabs are spaced from one another along a length of the cartridge housing.

Abstract: Method of manufacturing a vehicular arm component having a particular torsional rigidity and a sufficient tensile strength. Method of manufacturing a vehicular arm component 1 having a hollow shape in open cross-section by subjecting workpiece W, which is a flat plate, extending in an XY plane to pressing in stages such that two side surfaces W1, W2 of the workpiece in an XZ plane formed by the X direction and a Z direction face one another across a gap G, the method including a restriking process in which a protrusion 113 disposed on a restriking die 110 to be extended in the X direction is arranged in the gap between the two side surfaces facing one another and the two side surfaces are brought into contact with the protrusion such that the workpiece is pressed from an outer periphery to an inner periphery.

Abstract: A pressing tool is provided for producing fiber composite components, including a first tool part and a second tool part moveable relative to the first tool part. In the closed state of the pressing tool, the two tool parts form a shaping cavity for accommodating a fiber semi-finished product to be shaped and each have a tool surface delimiting the cavity. In addition, at least one of the tool surfaces has at least two adjacent flat sections inclined toward each other which are connected to each other by way of a curved transition section. The curved transition section has at least one groove-shaped recess facing the cavity.

Abstract: An apparatus for manufacturing a flexible display device, including a first pressing unit including a recess, a window within the recess and having two end portions with a first radius of curvature, the window contacting a display panel, and a second pressing unit facing the first pressing unit, the display panel being between the first and second pressing units, wherein the second pressing unit includes an upper portion having a second radius of curvature and a convex second mounting surface, the second radius of curvature being different from the first radius of curvature, a pressing buffer portion extending from opposite portions of the upper portion and having a third radius of curvature different from the second radius of curvature, a lateral portion connected to the pressing buffer portion, and a lower portion connected to the lateral portion at an obtuse angle.

Abstract: A method and system for flanging a metal part is provided to improve the final dimensions of the part to a desired shape. Residual stresses from flanging operations can distort a final shape of the metal part. This disclosure provides an initial flanging step in which metal gainers are formed into the metal during a first flanging step. The metal gainers provide an increased amount of metal at select regions. Then, during a next flanging step, the metal gainers are smoothened or removed during that flanging step while the metal is additionally bent. The metal gainers help combat the residual stresses and allow the flange to better take the desired shape.

Abstract: A method for forming a beading fold in a multi-layer composite material, which has at least one core layer made of a plastics material and at least two cover layers made of a metallic material, provides high process reliability and optimal integrity of the formed multi-layer composite material. In particular, the method provides that, in the region of the beading fold to be formed, the core layer of the composite material is heated at least in portions to a temperature of 180° C. to 300° C. Also described herein is a multi-layer composite material having at least one beading fold, said material comprising at least one core layer made of a plastics material and at least two cover layers made of a metallic material.

Abstract: A press forming method presses and forms a formed part including: a top portion having a projecting outer edge, a part of the projecting outer edge projecting outward; and a flange portion that formed by bending along the projecting outer edge of the top portion. The press forming method includes: a first forming step of forming, at a region of a blank material in which the flange portion is to be formed, a preformed part including a vertical wall portion to be a part of the flange portion and a trough portion that is bent outward from the vertical wall portion and recessed on a side of the top portion; and a second forming step of forming the flange portion by bending a region including the trough portion of the preformed part formed in the first forming step.

Abstract: Bending members having slanted faces to engage folded edge portions of a housing panel, wherein the relative sliding movement between the folded edge portions and the bending members cause bending of each of the folded edge portions to an inwardly slanted angle.

Abstract: A method of reshaping a portion of a plate-like workpiece lying on a workpiece support of a machine tool, with the workpiece being movable with respect to the workpiece support. The method comprises folding the portion of the workpiece such that the folded portion of the workpiece has several sides and it is only folded at a side connected to a residual portion of the workpiece lying on the workpiece support, and the folded workpiece portion is raised at a predetermined angle with respect to the residual portion, and reshaping the folded portion of the workpiece to have a segment directed downwardly with respect to the folded portion of the workpiece.

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: A machining tool, such as a forming, embossing, punching or pinching tool carries at least two tool elements at radial external faces for processing sheet metal. The tool elements are fixed to a tool body, either as separate pieces or integrated therein, and the tool body is rotatably supported in a receptacle. The tool body is rotatable about a rotation axis which is not perpendicular to the sheet metal during processing.

Abstract: A manufacturing method includes forming one or more grooves in a component that comprises a substrate with an outer surface. The substrate has at least one interior space. Each groove extends at least partially along the substrate and has a base and a top. The manufacturing method further includes applying a structural coating on at least a portion of the substrate and processing at least a portion of the surface of the structural coating so as to plastically deform the structural coating at least in the vicinity of the top of a respective groove, such that a gap across the top of the groove is reduced. A component is also disclosed and includes a structural coating disposed on at least a portion of a substrate, where the surface of the structural coating is faceted in the vicinity of the respective groove.

Abstract: This disclosure relates to bushings produced with adapted dovetails for production on a carrying web of a progressive stamping machine at a plurality of stations. The bushing includes a regular shape male dovetail inserted into an irregular shape crenellated female opening at the conclusion of a plurality of operations at stations on a progressive stamping machine. Once the bushing is bent in shape, in a subsequent step, the regular shape male dovetail is punched to lock in place into the irregular shape crenellated female opening.

Abstract: In order to provide a steel sheet for hot pressing from which a hot-pressed part excellent in perforation corrosion resistance is obtainable and a method of manufacturing a hot-pressed part using the steel sheet for hot pressing, provided is a steel sheet for hot pressing having, sequentially on a surface of a base steel sheet: a plating layer I containing 60% by mass or more of Ni and the remainder consisting of Zn and inevitable impurities, a coating mass thereof being 0.01 to 5 g/m2; and a plating layer II containing 10 to 25% by mass of Ni and the remainder consisting of Zn and inevitable impurities, a coating mass thereof being 10 to 90 g/m2.

Abstract: A housing member for a friction clutch and a method for making it. The housing member is made for use with two differently sized fan members. Two annular raised mounting pilot surfaces are provided, one of which is machine finished for mounting one of the two fan members. Two sets of fan member mounting holes are also provided, one set of which is used to mount one of the two fan members thereon.

Abstract: A bracelet may be configured with a main body and sized to fit around the wrist of a person with the outer surface area configured and/or prepped as a writeable surface to allow and encourage doodles, notes, artwork, etc. These notes and doodles may be erasable via e.g., a special “eraser” marker. The outer surface and inner surface of the bracelet may be curved to match a general shape, and sized to fit, a human wrist, ankle, leg or arm. The markers held in holsters formed at the proximal and distal ends of the bracelet which may be curled inwardly to hold markers by way of friction fit.

Abstract: A single piece roll-formed frame comprising a first channel having a base section and one or more legs, each leg comprising an upper side extending from the base section at a first angle and a lower side extending from the upper side at a second angle, a second channel having a base section and one or more legs, each leg comprising an upper side extending from the base section at the first angle and a lower side extending from the upper side at the second angle and wherein the base section of the first channel and the base section of the second channel are formed from a single piece and intersect to form a third angle, and the upper side of each leg of the first channel overlaps the upper side of each leg of the second channel.

Abstract: A metal plate reinforcement method includes: (a) providing a metal plate, in which the metal plate has a first surface and a second surface opposite to each other; (b) stamping the metal plate to form a plurality of first protruding portions protruding from the first surface; (c) respectively stamping the first protruding portions so as to respectively form a plurality of second protruding portions protruding at the second surface; and (d) flattening the second protruding portions to restore the metal plate.

Abstract: Apparatus (120) for making an adaptor (2) which is used in heating and ventilation systems and which is used to connect ducting which is of a square cross sectional shape to ducting which is of a circular cross sectional shape, which apparatus (120) comprises: (i) a work area (24) for receiving sheet metal (127) to be made into the adaptor (2); (ii) a creasing member (28) which is for creasing the sheet metal (127) on the work area (24); (iii) a pivot member (122) about which the sheet metal (127) is pivoted on the work area such that the creasing member (28) is able to make a plurality of creases (146) which are in the sheet metal (127) and which extend from the pivot member (122) in order to produce a transition part of the adaptor (2) which is positioned between a first end of the adaptor (2) which is of the square cross sectional shape and a second end of the adaptor (2) which is of the circular cross sectional shape; (iv) operator means (32) for causing the creasing member (28) to operate and crease t

Abstract: A metal forming head (113) is disclosed which includes a die (124) with a stamping portion (130), and a die holder (126) with a hole (136) therethrough. At least part of the stamping portion (130) of the die (124) is receivable through the hole (136) of the die holder (126). A bottom surface (144) of the die holder (126) which faces away from the die (124) is being adapted to abut a major surface (38a) of a sheet of metal (36). The die (124) is movable relative to an abutment part (138) of the die holder (126) to form the sheet of metal (36).

Abstract: A method for making a projection on a metal panel includes providing a lower die having a recess in the shape of the desired projection, laying the metal panel atop the lower die, positioning a filler material atop the metal panel, and lowering an upper die onto the filler material so that the filler material is forced into the metal panel and in turn forces the metal panel into the recess of the lower die whereby a projection is formed and the projection is filled with the filler material.

Abstract: A sealing plate for a prismatic secondary battery includes a pair of mouths for attaching a negative and positive electrode terminals, one mouth being formed near one end in a longitudinal direction of the sealing plate, and the other mouth being formed near the other end, coining areas used for positioning of an insulating member and formed around the pair of mouths on a front face of the sealing plate, a gas release valve and an electrolyte pour hole formed between the pair of mouths, and grooves formed between the respective coining areas and the long side edge of the sealing plate. The groove has a smaller depth near the gas release valve than the depth near the coining area. Even when the sealing plate is produced through forging, the front face has good flatness and the coining areas are unlikely to have a sink mark or a shear drop.

Abstract: A method of preparing a forming limit diagram in press forming includes obtaining a forming limit curve by subjecting a surface of a metal plate to be press-formed to marking at a distance between reference points of 0.5-1.0 mm, bulging the metal plate with a punch having a top minimum curvature radius of 3-10 mm and measuring a maximum principal strain and minimum principal strain at a time of generating cracks on the surface of the metal plate at a top portion of the punch from a change of the marking.

Abstract: A process is provided for making bulk textured material sheeting. As a continuous supply of flat material sheeting is fed, the sheeting is repeatedly impacted with toothed knives, each knife creating a row of raised and generally pointed structures on the sheeting to texture the sheeting.

Abstract: A compression lock on a connector for a shelving post has upper and lower, mating collar parts having distal ends encircling more than 180 degrees of the post but separated by a gap through which the post can pass. Each distal end has an axially extending projection with a rounded end and a recess adjoining the projection. The projections of one collar part mate with the recesses of the other collar part to interlock the collar parts around a compression sleeve and form a frusto-conical inner surface that wedges the a mating sleeve against the post to affix a shelf attached to the connector. A tab allows removal of a locking connector, with the connectors stamped out of sheet metal and bent into the frusto-conical shape.

Abstract: In a press-hardening plant, a contact-cooling press (12) is provided between the furnace (11) and the press-hardening press (13). Preselected parts of the blank (18) are contact-cooled such that corresponding parts of the finished product are softer and display a lower yield point.

Abstract: Controlling a flatness of a first surface of a sheet material can include: (a) determining a first surface contour of the first surface of the sheet; (b) applying compressive stresses to one or more portions of the first surface of the sheet after the determination of the first surface contour of the sheet; (c) annealing compressive stresses in one or more portions of the first surface of the sheet after the determination of the first surface contour of the sheet; (d) determining a second surface contour of the first surface of the sheet after the compressive stresses have been applied to, and annealed from, the sheet; (e) comparing the second surface contour to a threshold flatness; and (f) performing (b)-(e) one or more times until the determined second surface contour is less than the threshold flatness.

Abstract: A method for fabricating a straight fin heat sink (50) of the type having a base (52) and a plurality of fins (54) extending from the base is disclosed. Each fm (54) of the plurality of fins of the heat sink is spaced from one another a predetermined distance and lies along a plane generally parallel to planes of the other fins of the plurality of fins. The method includes: providing a die (20) configured to produce a heat sink (30) having a base (32) and a plurality of fins (34) attached to be base in a radial fashion about the base from at least one side of the base; extruding a blank of material through the die (20) to produce the heat sink (30); and compressing the plurality of fins (34) with a compression tool (40) so that the plurality of fins (54) extend from the base along planes generally parallel to each other.

Abstract: A panel assembly includes an outer member and an inner member, which overlap each other and jointly have an edge that includes a distal end portion of the outer member and a distal end portion projecting from an end of the inner member. The distal end portions are fastened together by sheet metal seaming. Boundary regions of the inner member between the distal end portion, which is seamed, and the end, which is not seamed, have respective clearances defined in the end, and which are spaced away from a seaming range in which the distal end portions are seamed.

Abstract: The present invention relates to the use of an adaptive protective textile (3) in sheet metalforming, comprising non-woven material which is draped over the active surfaces of the sheet metalforming tool (2), wherein the surfaces of the sheet metal (4) are protected from contact with the surfaces of the tool (2) and the need for lubricant is eliminated.

Abstract: A triangular hemming and stamping apparatus includes a stationary base that mounts a lower die set. Three guide posts are triangularly positioned on the base and extend generally vertically from the base. An upper fixed superstructure is supported by the three guide posts and fixedly spaced from the base. An upper slidable structural member that mounts an upper die set is slidably mounted on the guide posts between the base and the superstructure. An actuator is mounted on the superstructure and connected to the upper slidable structural member within an area within the guide posts. The actuator is not connected to nor associated with the guide posts, and the actuator is operable to move the upper slidable structural member toward and away from the base to perform hemming and stamping on a workpiece.

Abstract: The pinching operation is facilitated. A hose clamp (H1) is formed by bending a strip-like plate material (1) into a ring-like configuration, and includes a first end portion (5) having a first pinching operation surface (9), and a second end portion (6) having a second pinching operation surface (15). A through-hole (7) is open near the center in the longitudinal direction of the first pinching operation surface (9). At the time of bending into ring-like configuration, expansion regions (19) arranged at both side portions in the width direction of the second pinching operation surface (15) are folded at folding edges (20) with respect to a proximal region (18), whereby the second pinching operation surface (15) is narrowed in the width direction and can enter the through-hole (7). After bending into ring-like configuration, the expansion regions (19) are unfolded at the folding edges (20) and regain a widened state.

Abstract: A core lifter and method for making same for use in a drilling system. The core lifter can include a tubular body having an exterior surface and an interior surface and can have a plurality of longitudinally-oriented recesses formed in the exterior surface of the tubular body of the core lifter and extending radially inwardly relative to the central axis of the core lifter. The plurality of longitudinally-oriented recesses formed in the exterior surface of the tubular body of the core lifter can extend along at least 50 percent of the length of the core lifter.

Abstract: A method of manufacturing a sheet metal flame includes a step of forming at least one drawn portion in a frame main body formed into a flat plate shape, and a step of engraving groove portions into a linear shape in the frame main body at constant distances from outer edge portions of the at least one drawn portion so as to sandwich the at least one drawn portion between at least opposing sides.

Abstract: A method for bending a workpiece includes positioning a first bending surface adjacent to the workpiece; positioning a second bending surface adjacent to the workpiece; and moving the first bending surface and the second bending surface linearly toward the workpiece while the second bending surface rotates with respect to the first bending surface such that the first bending surface bends a first portion of the workpiece, the second bending bends a second portion of the workpiece, and the first portion of the workpiece, and the second portion of the workpiece are disposed on a first side of a bend line formed on the workpiece by the first bending surface and the second bending surface.

Abstract: A method and apparatus for manufacturing a tool for creating composite components. A sheet metal material is secured over a forming tool in an incremental sheet metal forming machine. The sheet metal material is incrementally shaped with a stylus to form a shape for the tool. The tool is removed from the incremental sheet metal forming machine when the shape for the tool is complete. Composite materials on the tool are laid up, wherein the shape of the tool provides a desired shape for a composite component.

Abstract: A clamp ring and process for manufacturing a clamp ring to effectively reduce, if not eliminate, waste scrap from the manufacturing process. The clamp ring and process for manufacturing the same, results in clamp ring having a seam formed by a metal joining technique such as welding, brazing, bolting, soldering, and clinching.

Abstract: A yoke is provided in which damage such as bending of a bolt for joining and fastening the base section of the yoke to the end section of a rotating shaft does not easily occur even when that bolt is excessively tightened. In the present invention, a force is applied to both a first flange section and a second flange section in a direction toward each other, and with the inner diameter of the base section elastically reduced, a through hole, screw hole and seating surface section are formed. After that, the force is released and the inner diameter of the base section expands by its own elastic force. Alternatively, with the inner diameter of the base section reduced, the through hole, screw hole and seating surface section are formed, after which the first flange section and second flange section are plastically deformed in the direction away from each other to expand the inner diameter of the base section.

Abstract: A grounding spacer is provided. The grounding spacer comprising a circular body having a top surface, a bottom surface, and a central aperture, and a plurality of radially spaced penetration features, wherein at least one of the penetration features has at least a portion thereof extending from the top surface, and wherein at least one of the penetration features has at least a portion thereof extending from the bottom surface.