Abstract: A method of reducing a thickness and increasing a height of a cylindrical wall of a metal cup to form a can body comprises positioning a wall-ironing punch inside the cup, moving an annular wall-ironing die axially over the closed end of the cup towards the open end of the cup, but not beyond the open end of the cup, in order to iron the cylindrical wall from the closed end up to a position axially spaced from the open end and moving the wall-ironing die back in an opposite direction to remove the can body from the die. Methods of altering a diameter of one or more regions of a can body are also disclosed.

Abstract: A refrigerant-channel branching component for connecting a connection pipe connected to an outdoor unit with a connection pipe directed toward a plurality of indoor units, the refrigerant-channel branching component includes: an inlet portion; and outlet portions. At least one of the plurality of outlet portions includes: a reference space into which a reference connection pipe with a predetermined outside diameter is inserted; a first space that is adjacent to the reference space and has an inside diameter greater than an inside diameter of the reference connection pipe; and a second space that is adjacent to the first space and has an inside diameter greater than the inside diameter of the first space.

Abstract: The present invention is a press forming method for obtaining a target formed article that has an edge-shaped ridge section and that has a negative surface on one side and a positive surface on the other side with respect to the ridge section as a border, said press forming method including: a first step for forming an intermediate formed article having an intermediate ridge section having a larger radius than the edge radius of the ridge section; and a second step for forming the target formed article from the intermediate formed article.

Abstract: A hot forming tool includes a top tool and a bottom tool, both of which can be moved towards each other. When the hot forming tool is closed, a mold cavity is formed between the top tool and the bottom tool, with the top tool and/or the bottom tool being divided into at least two segments. The hot forming tool has one segment designed as a heating segment. The heating segment includes a compensating element on a side thereof opposite the mold cavity, to compensate for a thermal expansion of the heating segment in the press stroke direction.

Abstract: Provided is a sheet material press forming method of press forming a formed part including a top portion with a protrusion having a blockage protrusive shape, the method including: preforming a high-strength steel sheet; and then forming it into a target shape without fractures or wrinkles, which is achieved by determining a shape in the preforming by press forming analysis according to the following steps: S1: the region of the protrusion having the target shape is discretized into two-dimensional elements and nodes for finite element analysis; and S2: the discretized portion are applied with internal stress in the normal directions of the two-dimensional elements from the inside of the discretized portion and deformed under the following conditions: (a) the two-dimensional elements are deformed within an elastic deformation range; and (b) adjacent ones of the two-dimensional elements have an angle therebetween which is free to change.

Abstract: A method is used to forge an outer joint member of a constant velocity universal joint. Track grooves of the outer and inner joint members each have an arc-shaped ball raceway center line having a curvature center that is not offset in an axial direction with respect to a joint center. The forging method includes performing ironing by press-fitting a cylindrical portion of one end of a shaft portion of a pre-processing material of the outer joint member including the shaft portion and the cylindrical portion into a die hole of a die while a punch set that is radially expandable and contractable is fitted to an inner peripheral surface of the cylindrical portion. The punch set includes punches and a punch base to guide the punches to enable advancing and retreating. Each of the punches has a pair of forming surfaces for forming the adjacent track grooves.

Abstract: A method for manufacturing a press molded product includes forming a plurality of corner portions in a pressed portion of a pressed member, providing the pressed member between a first die and a second die, and press molding the pressed portion to decrease a height of the pressed portion. The press molding includes forming a pair of first bent portions in the pressed portion by means of the corner portions, the pair of first bent portions being bent to protrude toward the second die, forming a second bent portion in the pressed portion by means of the corner portions while holding the pair of first bent portions by a pair of holding portions, the second bent portion being bent to protrude toward the first die from a position between the pair of first bent portions, and pressing and deforming the second bent portion.

Abstract: The invention provides a formed material manufacturing method by which unnecessary thickening of a flange can be avoided. The formed material manufacturing method allows a formed material to be manufactured by forming processes that include at least one drawing-out process, at least one drawing process performed after the drawing-out process, and at least one coining process performed after the drawing process. The width of the rear end side of a punch used in the drawing-out process is set to be wider than the width of the tip end side thereof. An ironing process is performed on a region corresponding to the flange of the base metal sheet by pushing the base metal sheet together with the punch into a pushing hole.

Abstract: A die set for forming a panel having a surface includes a stationary die, a moveable die, and a clamp attached to the stationary die to secure a panel blank. The moveable die includes a moveable brazing formation surface and the stationary die includes a stationary brazing formation surface for forming the surface. One of the moveable and stationary dies includes a male bead forming portion, and the other includes a female bead forming portion for forming a bead. The male and female bead forming portions extend in a continuous and uninterrupted, generally parallel relationship with the moveable and stationary brazing formation surfaces. The male and female bead forming portions are operable to engage the panel blank during movement of the moveable die to induce tensile forces in both a first direction parallel to a path of the surface and a second direction transverse to the path.

Abstract: A method is provided for manufacturing an outer ring of a constant velocity joint including an outer ring, an inner rotational member, a torque-transmitting rolling element, and a defining member. The outer ring includes: a first inner peripheral surface to which the defining member is attached; a second inner peripheral surface; and protrusions protruding radially inward of the first inner surface and the second inner peripheral surface so as to restrict axial movement of the inner rotational member and the rolling element. The manufacturing method includes: a plastic working step involving providing a base member; and a bottom removing step involving partially removing a bottom of the base member so as to form a through hole. The plastic working step further involves providing the second inner peripheral surface. The bottom removing step further involves providing the protrusions.

Abstract: A fan includes a motor base, a bearing, an impeller, a stator and a magnetic element. The motor base has a bearing stand in a center portion thereof. The bearing is accommodated within the bearing stand. The impeller includes a metallic case, a hub, plural blades and a rotating shaft. The metallic case has a top wall and a sidewall. The hub is sheathed around the metallic case. The blades are disposed around an outer periphery of the hub. The rotating shaft is inserted into a central opening of the top wall and penetrated through the bearing stand, wherein no raised ring structure is formed in the top wall of the metallic case, and the rotating shaft and the metallic case are jointed together by a laser welding process. The magnetic element is disposed on an inner wall of the metallic case and aligned with the stator.

Abstract: A pouch forming method and a pouch forming device are provided. In particular, the pouch forming method for forming an accommodation part that accommodates an electrode assembly in a pouch sheet includes a seating process of seating the pouch sheet on a top surface of a lower die in which a forming groove is formed in an upper portion thereof. In a vacuum elongation process, a lower portion of the pouch sheet, in which the accommodation part is formed, is elongated by vacuum, and in an accommodation part formation process, the portion of the pouch sheet, which is elongated by the vacuum, is pressed by a punch disposed above the pouch sheet in a direction in which the forming groove is formed to form the accommodation part.

Abstract: This method for manufacturing a panel-like formed article has preparing a blank material made of a metal sheet having a tensile strength of 390 MPa or more and 980 MPa or less; and press-forming the blank material in a cold manner using a pressing apparatus to form the blank material into the panel-like formed article, in the press-forming, a blank holder, a first punch, and a second punch are relatively moved with respect to a die, thereby pressing the first punch and the second punch to the blank material, and pressing of the second punch to the blank material is completed before pressing of the first punch to the blank material.

Abstract: A terminal device includes a main body and a flexible touch panel. The main body includes a substrate, an earphone assembly, and a microphone assembly. The earphone assembly and the microphone assembly are respectively set on two opposite ends of the substrate. The flexible touch panel is on the substrate. The flexible touch panel is between the earphone assembly and the microphone assembly. The flexible touch panel is set on the substrate, to realize the touch and control function during using by a user. The whole substrate is thin, and the earphone assembly and the microphone assembly are set respectively on both ends of the substrate, communication may be realized simultaneously, the whole structural compactness of the terminal device may also be improved, and the whole thickness of the terminal device may be reduced.

Abstract: In accordance with one embodiment of the invention, there is provided an improved disposable aluminum lids configured to have a slight tapering between the raised ridge and the downwardly extending skirt, and further configured to have a rolled lip formed around the entire periphery of the downwardly extending skirt, which includes both the sides and the corners of the improved disposable aluminum lid. The improved disposable aluminum lid is manufactured to prevent cuts and injury to the consumer and allow for proper nested of multiple lids for shipping and storage.

Abstract: A hat-shaped cross-section component manufacturing apparatus includes: a die that includes a forming face that grips and presses a metal stock sheet; a blank holder, that includes a forming face that grips and presses the metal stock sheet so as to configure a forming face corresponding to the forming face of the die, a pad that is disposed inside the opening formed in the die, and that includes a forming face that grips and presses the metal stock sheet; and a punch that is disposed facing the pad and that includes a forming face that grips and presses the metal stock sheet so as to configure a forming face corresponding to the forming face of the pad. The hat-shaped cross-section component manufacturing apparatus further includes a pressure limiting device that limits a formed curving component from being pressed between the pad and the blank holder during demolding.

Abstract: A method for producing a shaped part from an aluminum sheet that includes an aluminum alloy, in particular an aluminum alloy of the 5000 series. The method includes introducing at least one aluminum sheet in a forming tool and cold-forming the aluminum sheet in the forming tool, and heating the cold-formed aluminum sheet at least once at least in some regions and at least once further metal forming the aluminum sheet. In order to create advantageous conditions for the method, it is proposed for the heated aluminum sheet to be subjected to the further metal forming step even before a temperature has been reached which the aluminum sheet has during the cold forming thereof.

Abstract: A method for manufacture of a metal can body is described in which two or more stretching operations are used so as to reduce the thickness of the central part of a cup base, prior to drawing the cup sidewall and forming a can body. By using two or more stretching operations, it has been found possible to control the thickness of the base without significantly reducing pressure performance of the finished can. Alternative embodiments of apparatus comprising tooling for carrying out this method are also described.

Abstract: A metal plate stamping method is provided for cutting a metal plate, on which a bulging portion is formed through stamping, at a cutting area that is defined in a portion other than the bulging portion. The method includes forming a bead on the opposite side of the cutting area from the bulging portion and crushing the bead prior to the cutting of the metal plate.

Abstract: The top plate section of the metal stock is pressed and clamped against a punch by a pad, a portion that will be at the outside of the L shaped curve is pressed and camped against a die by a blank holder, a bender is moved, and a vertical wall portion at the inside of the L shaped curved of the metal stock sheet and the flange portion joined to the vertical wall at the inside of the L shaped curve are molded. The metal stock sheet is moved in the direction toward the blank holder while the metal stock sheet being pressed and clamped, and a vertical wall portion at the outside of the L shaped curve of the L shaped hat shaped cross-section and the flange portion joined to the vertical wall at the outside of the L shaped curve are molded.

Abstract: A shaped metal container having less metal than prior art shaped metal containers while still able to handle sufficient axial load and undergo shaping processes, including necking, without wrinkling, buckling, collapsing or other physical defect is disclosed. Processes for shaping a metal container having a sidewall of variable thickness, wherein a portion of the sidewall having a variable thickness is shaped using a die or dies are also disclosed.

Abstract: A method of producing a seamless, composite tubular product includes centrifugally casting a metal or alloy into a tubular workpiece having an inner diameter. The method then centrifugally casts a corrosion resistant alloy in the inner diameter of the tubular workpiece to form a composite tubular workpiece having an inner diameter and an outer diameter. The inner diameter of the composite tubular workpiece is formed of the corrosion resistant alloy, and the outer diameter is formed of the metal or alloy. The method then subjects the composite tubular workpiece to at least about a 25% wall reduction at a temperature below a recrystallization temperature of the workpiece using a metal forming process. The metal forming process includes radial forging, rolling, pilgering, and/or flowforming.

Abstract: A die cushion force control method and a die cushion apparatus generates a die cushion force on a cushion pad based on a die cushion force command value set in advance. A die cushion force command value equal to or larger than a target die cushion force command value is outputted initially in order to suppress an initial die cushion force overshoot generated when the target die cushion force command value configured to be stepwise is used as the die cushion force command value, then a die cushion force command value decreased continuously (gradually) so as to be smaller than the target die cushion force command value is outputted, and subsequently a die cushion force command value increasing gradually so as to be equal to the target die cushion force command value is outputted.

Abstract: A tool for forming a container from a blank. The container can include a flange. The tool has a first tool assembly, and a second tool assembly. At least one of the first tool assembly and the second tool assembly can be moveable between an open position, wherein the blank is received between the first tool assembly and the second tool assembly, and a closed position wherein the blank is formed into the container. At least one of the first tool assembly and the second tool assembly has flange forming features for forming the flange of the container whereby a first portion of the flange is folded with respect to a second portion of the flange.

Abstract: A pipe element tube 23 is manufactured by a manufacturing method including step S1-1 for obtaining the pipe element tube 23 by rolling a stainless steel plate material 21 and welding an abutting portion, a core drawing step S1-2 for reducing a diameter and adjusting a thickness of the pipe element tube 23 by using a cored bar 24, and a tube drawing step S1-3 for reducing the diameter and adjusting an outer form of the pipe element tube 23 without using a cored bar. By adjusting repetition times of the core drawing step S1-2 and the tube drawing step S1-3, a uniform concavity and convexity are provided on an inner circumferential surface of the pipe element tube 23. Then a pipe 12 having an annular shaped cross section obtained by cutting the pipe element tube 23 and a linear material 11 having a circular cross section are joined (S2).

Abstract: A machine may include a plurality of stations for converting a portion of flat sheet metal stock into a cylindrical container body having an open end and an oppositely disposed closed end. The machine may include a first station adapted to blank and draw a portion of flat sheet metal stock into a cup, a second station adapted to reverse draw the cup into an elongated cylinder; and a third station adapted to reverse draw and iron the elongated cylinder into the cylindrical container body.

Abstract: The aim of the invention is to provide a method for controlling the flow of material when deep-drawing a workpiece, which better utilizes the drawing capacity of a workpiece and produces a better shape accuracy, particularly of the bottom of the drawn part. The aim is achieved by a method in which the deep-drawing process is performed incrementally and in which at least one bead is incorporated into the flange region of the workpiece prior to each increment of the deep-drawing process. Due to this, the shape accuracy of the bottom can be improved and material accumulations in the flange zone can be prevented.

Abstract: A method of producing a seamless, composite tubular product includes centrifugally casting a metal or alloy into a tubular workpiece having an inner diameter. The method then centrifugally casts a corrosion resistant alloy in the inner diameter of the tubular workpiece to form a composite tubular workpiece having an inner diameter and an outer diameter. The inner diameter of the composite tubular workpiece is formed of the corrosion resistant alloy, and the outer diameter is formed of the metal or alloy. The method then subjects the composite tubular workpiece to at least about a 25% wall reduction at a temperature below a recrystallization temperature of the workpiece using a metal forming process. The metal forming process includes radial forging, rolling, pilgering, and/or flowforming.

Abstract: A workpiece is press-formed into a press-formed product in a single stroke using a punch and a die by grasping a first portion of the workpiece by a blank holder at a first timing in the single stroke, and grasping a second portion of the workpiece which is different form the first portion by the blank holder at a second timing in the single stroke which is different from the first timing.

Abstract: A method and apparatus are disclosed which are suitable for use in the manufacture of two-piece metal containers. In particular, a way of making cups from metal sheet is disclosed using a combination of stretching and drawing operations. The resulting cups have the advantage of having a base thickness that is thinner relative to the ingoing gauge of the metal sheet.

Abstract: A yoke housing includes a tubular case and a flange. The tubular case is formed from a metal sheet in a drawing process. The flange is formed at an end of the tubular case. The flange has a width in the lateral direction that is equal to the outer diameter of the tubular case. The flange has a base including beads and a thick portion. Each of the beads is formed by compressing the base. A portion of the base in which the beads are not formed defines a thick portion. The thick portion is located at a middle portion of the flange in the lateral direction. The beads are located on opposite sides of the thick portion in the lateral direction.

Abstract: End-group components for superconducting accelerator cavity used in acceleration of charged particles are manufactured by subjecting pure niobium sheet materials to press forming composed mainly of flat-bottomed cylindrical drawing, preferably by simultaneously conducting control of slide velocity and/or its motion and control of tool die temperature and/or its distribution/gradient in the above press forming, further preferably by dynamically controlling blank holding force in accordance with the variation of flange area, flange thickness and deformed characteristics of niobium sheet materials during the press forming, more preferably by preparing an anisotropically shaped blank instead of a circular blank by use of servo press forming machine, servo-die cushion temperature control equipment, water-soluble solid coating type lubricant, and a tooling die.

Abstract: According to the present invention, an apparatus for manufacturing necking cans processes inlets of cans for which drawing processes are completed, wherein the apparatus comprises: a lower press plate; an upper press plate arranged so as to move linearly in the upward and downward directions relative to the lower press plate; a molding unit including a guide formed on the lower press plate, a plurality of holders arranged on the guide such that the holders can be transferred, and a plurality of molds arranged on the upper press plate; transferring means for transferring the holders along the guide; and driving means for driving the upper press plate. The apparatus of the present invention is advantageous in that cans for which the drawing processes are completed are linearly transferred by a plurality of cylinders and processed at a high speed.

Abstract: To provide a variant-can having a narrow part in the vicinity of a bottom part by performing a diameter-reduction process up to the vicinity of the bottom part on a trunk part of a can-body made of metal in a can-manufacturing device which processes the can-body being held by a pocket-shaped conveying part while conveying. It is provided with: a can-body pocket which holds a can-body by being in contact with a part of an outer circumference surface of a trunk part of the can-body; a base pad which presses a bottom part of the can-body along a can-axis direction; a die in which the trunk part of the can-body is press-inserted; and a clamping ring which protrudes from the base pad toward the die and is provided so as to move back and forth along the can-axis direction.

Abstract: In a can forming machine a system that determines the position of a reciprocating ram and allows for the domer to be repositioned automatically is provided. The system includes a punch position sensor assembly, a control system, and a domer positioning assembly. The punch position sensor assembly is positioned about the ram, preferably at the domer side of the last die. At this location, the punch position sensor assembly can determine the position of the ram as it enters the die pack during the return stroke. The control system receives data from the punch position sensor assembly and, if the ram is not substantially, concentrically aligned with the die pack on the return stroke, sends a signal to the domer positioning assembly to reposition the domer. This process may be repeated until the ram travels along a path substantially aligned with the die pack on the return stroke.

Abstract: A pot-shaped housing part, especially for a hub part of a hybrid drive. The housing part has a bottom and a wall extending axially away from the bottom, and an outer face of the wall extending at least approximately up to an outer face of the bottom, which outer face of the bottom faces away from a free edge of the wall. The wall and the bottom are configured as one piece. The outer face of the wall also has a projecting portion that projects axially beyond the outer face of the bottom and is produced from material of the wall.

Abstract: A can end includes a severable panel, a peripheral scoreline, an opening mechanism such as a pull tab, a rivet coupling the pull tab to the severable panel, and a rivet base scoreline in the public side of the severable panel. The rivet base scoreline includes an arcuate head portion, first and second arm portions extending from the arcuate head portion, and first and second ends. The base of the rivet has a radius of curvature forming an intersection between the stem of the rivet and the public side of the severable panel. The arcuate head portion of the rivet base scoreline is contiguous with the radius of curvature.

Abstract: A method of production for a 2-piece “Combo” style closure (1?), having a disk (10?) constrained within a peripheral ring (20?). The “combo” style closure (1?) is produced from a conventional one-piece closure shell (1) by cutting the sidewall (20) in the vicinity of the top plate (10) to produce the ring (20?) and disc (10?) respectively.

Abstract: This aims to provide a press process for drawing a plate material into a predetermined shape. This press process performs a first unwrinkling treatment and a second unwrinkling treatment sequentially for unwrinkling the material. Between these first and second unwrinkling treatments, an introduction for deforming the material is made so that the portion of the material on the side to be subjected to the second unwrinkling treatment may be positioned on the side of a drawing direction with respect to the portion subjected to the first unwrinkling treatment. This first unwrinkling treatment is made on such a portion to be unwrinkled in the material as is located on the side of a larger drawing depth for the predetermined shape. On the other hand, the second unwrinkling treatment is made on such a portion to be unwrinkled as is located on the side of a smaller drawing depth.

Abstract: A flow formed part includes a first end, a second end, and a side wall extending therebetween. A reinforcing member is disposed around the second end. The side wall has a profile formed along an inner surface of the side wall. The profile is adapted to be substantially burr free after windows are formed in the sidewall. A method of making a flow formed part includes the steps of disposing a preform on a tailstock, providing a plurality of rollers adjacent the tailstock, providing a mandrel having an outer surface including a plurality of alternating channels and protuberances, and causing the rollers to press the preform against the outer surface of the mandrel.

Abstract: A can body take-away assembly for a can bodymaker with a vertically oriented, reciprocating, elongated ram assembly and a domer is provided. The take-away assembly includes a drive assembly and a can body transport assembly. The drive assembly includes a motor and a support member. The take-away assembly motor is operatively coupled to said support member and structured to move said drive assembly support member in a generally horizontal direction. The can body transport assembly includes a number of gripping assemblies. Each gripping assembly is coupled to said drive assembly support member. Each gripping assembly includes a number of pairs of opposed gripping members sized to grip a can body. The gripping assemblies are structured to travel across the path of said ram assembly and to selectively grip a can body.

Abstract: In a can forming machine a system that determines the position of a reciprocating ram and allows for the domer to be repositioned automatically is provided. The system includes a punch position sensor assembly, a control system, and a domer positioning assembly. The punch position sensor assembly is positioned about the ram, preferably at the domer side of the last die. At this location, the punch position sensor assembly can determine the position of the ram as it enters the die pack during the return stroke. The control system receives data from the punch position sensor assembly and, if the ram is not substantially, concentrically aligned with the die pack on the return stroke, sends a signal to the domer positioning assembly to reposition the domer. This process may be repeated until the ram travels along a path substantially aligned with the die pack on the return stroke.

Abstract: Examples of tooling fixtures and methods for manufacturing computing devices are described. According to some examples, a computer component may be shaped using successive steps of forging after deep drawing. In some examples, certain components may be assembled to form sub-assemblies of computer components and the sub-assembly may then be machined to drive closer tolerances. According to other examples, a work holding tool is described which may include a first plurality of individually movable pins for supporting a first surface of a work piece, the tool also having a second plurality of individually movable pins for applying a restraining force over a second opposite surface of the work piece to retain the work piece in position while maintaining it in its natural state.

Abstract: A method and apparatus for making a can, such as a paint can, includes the steps of: i. providing a cylindrical body; ii. arranging a piston in a first opening of the cylindrical body for defining the diameter of the opening; and iii. curling a free end of the first opening radially outwardly and axially along the cylindrical body thereby forming a curl.

Abstract: A method of cutting scrap trimmed from a workpiece as well as the stamping die and scrap cutter assembly include a die having a cutting edge. An insert is coupled to the die and is moveable between first and second positions. The insert includes a cutting edge aligned with the die cutting edge when in the first position. A scrap cutter includes a cutting edge aligned with another edge of the insert. A biasing member maintains the insert at the first position during a trimming operation when the cutting edges of the insert and the die trim the scrap from the workpiece. The insert is driven toward the second position when the cutting edge of the scrap cutter cuts the scrap.

Abstract: A device cover includes a bottom base and at least one sidewall extending from the bottom base. The at least one sidewall is formed by an upsetting process. The device cover is made of metal. Only one fold is formed by flow tracks of metallic grain of the at least one sidewall. A method for fabricating the device cover is also disclosed.

Abstract: A shell, a container employing the shell, and tooling and associated methods for forming the shell are provided. The shell includes a center panel, a circumferential chuck wall, an annular countersink between the center panel and the circumferential chuck wall, and a curl extending radially outwardly from the chuck wall. The material of at least one predetermined portion of the shell is selectively stretched relative to at least one other portion of the shell, thereby providing a corresponding thinned portion.

Abstract: A method of manufacturing a die for shaping metal containers comprises providing an expansion die for manufacturing metal containers and peening at least a portion of the work surface of the expansion die. Another method of manufacturing a die for shaping metal containers comprises providing a die for narrowing a diameter of metal containers and peening at least a portion of the work surface of the die.

Abstract: Can shells are produced with tooling installed on a mechanical press, and the tooling includes an upper retainer supporting a blank and draw die enclosing an outer pressure sleeve and an inner pressure sleeve surrounding a die center punch, all having pistons. An air chamber is connected by air spring passages to the inner pressure sleeve piston, and the outer pressure sleeve receives the same air as the air chamber or lower pressure air. The die center punch has an insert which initiates the drawing of a cup, and the inner pressure sleeve and die center punch have contoured surfaces which mate with opposing surfaces on a die core ring to form and clamp the chuckwall of the shell during downstroke of the press. A panel punch has peripheral surfaces which form the panel wall and countersink of the shell during upstroke of the press.

Abstract: A reinforced wall in a drawn metal workpiece is formed by folding an annular wall back on itself in a punch-driven operation.