Abstract: Provided is a press-formed article manufacturing method including pressing a blank with the first pressing apparatus to form a first intermediate formed article having a pair of bent portions bent to one side in the plate thickness direction and having a spacing between the bent portions narrower than the width of the top plate and equal to or more than the width of the top portion of the convex portion, and moving the second die relative to the second punch side punch with respect to the die pad and the second punch and forming a second intermediate formed article in a state where a portion between the bent portions is sandwiched between the die pad and the convex portion, with one side of the first intermediate formed article in the plate thickness direction as the convex portion side of the second pressing apparatus.

Abstract: To automate a sub-process during the production of a component, which is to be equipped with coils, of an electric machine, a wire end shaping device is used, which is equipped with coils, of an electric machine, for shaping wire ends which protrude from an annular housing of the component, comprising a bending device for bending wire ends in a circumferential direction, a relative movement device for moving the housing and the bending device in a relative manner in an axial direction, and a controller. The receiving and rotating units, which receive the wire ends, of the bending device are held to be axially static relative to one another, wherein differences in length compensation and/or in a turning angle of the wire ends are handled by means of different movement profiles of the rotational movements of the receiving and rotating units.

Abstract: The invention relates to a crimping tool locator (12) for a crimping tool (1), especially crimping plier (2). The crimping tool locator (12) comprises an accommodating body (14) with at least one accommodation (21) for a workpiece (10), especially a plug (11). The accommodating body (14) comprises a securing device (24), by which the workpiece (10) is securable in the interior of the accommodation (21). The securing device (24) can be realized as a latching device, locking device or friction device.

Abstract: A method for multistep machining a cutting tool includes defining a data set of the cutting tool, positioning the workpiece in a machining device, determining a data set of the workpiece to be machined, defining at least one machining program based on the defined data set in relation to the determined data set of the workpiece, subjecting the workpiece to the at least one machining program, to obtain intermediate geometries of the workpiece, determining a second data set by measuring means including the intermediate geometries of the workpiece and transferring the machined workpiece to a second machining device. Furthermore, the steps of positioning, determining data set of the workpiece, defining machining program, subjecting the workpiece to the machining program, determining a second data set and transferring to the second machining device are repeated until the workpiece takes on the shape of the target geometries.

Abstract: A sensing apparatus, a piercing terminal, a stamping strip and a corresponding method are provided. Flat copper wires at tail ends of parallel wires of a FPC film are pierced, pressed tightly and fixed by first to fourth spikes on a metal strip. The first to fourth spikes are electrically connected to the flat copper wires at positions where the flat copper wires are pierced respectively, achieving an electrical connection between two piercing terminals and the two flat copper wires at the tail ends of the parallel wires of the FPC film, helping ensure the reliability of the electrical connection. Further, the piercing terminals are suitable for parallel wires of FPC films with different specifications.

Abstract: A workpiece conveying apparatus includes: two SCARA robots each including a first arm supported on a raising and lowering frame through intermediation of a first joint, a second arm supported through intermediation of a second joint, a first arm driving mechanism configured to drive the first arm to rotate, and a second arm driving mechanism configured to drive the second arm to rotate; a raising and lowering mechanism for the two SCARA robots; a cross arm configured to couple distal ends of the second arms; a workpiece holding unit configured to releasably hold the workpiece; shifting devices provided to the cross arm and configured to shift a drive-side shifting member; and sliding devices provided to the workpiece holding unit and configured to shift the tool holder by an operation of causing the driven-side shifting member to be driven by the drive-side shifting member.

Abstract: Die sets and tools using such die sets, are described which promote axial alignment of the dies during die closure. In addition, jaw sets for tools are described that promote axial alignment of the jaws during die closure. Also described are related methods using the die sets and/or tools with such die sets.

Abstract: A forming tool for pressure forming a connecting web between incompletely separated workpiece parts of a plate-like workpiece from a cutting operation, in particular a metal sheet, comprises two tool parts, of which each is provided with a forming unit. The tool parts are able to move towards each other along a stroke axis with a processing stroke to a stroke end position. Each of the forming units has a forming surface on a web side facing away from the respective workpiece part, wherein the said forming surface, starting from a front face of the forming unit extends along the stroke axis away from a workpiece side facing the respective workpiece part.

Abstract: A quick-disassemble snapping device of a rivet gun has a front sleeve, a rear sleeve, a snapping assembly, and a retaining assembly. The front sleeve has multiple positioning recesses. The rear sleeve is coaxially connected with the front sleeve and has at least one mounting recess. The snapping assembly is mounted in the front sleeve and the rear sleeve. The retaining assembly has a locking ring. The locking ring is mounted around the rear sleeve and has at least one engaging tooth mounted through the at least one mounting recess of the rear sleeve and engaging in at least one of the positioning recesses of the front sleeve. The quick-disassemble snapping device can be used in a pneumatic, manual, or electric rivet gun and has a stable structure. No tool is needed for disassembling the snapping device and the snapping device can be easily disassembled to be cleaned.

Abstract: The method for producing at least one notch in an outer wall of a tube includes guiding a first punch being made of a preforming tooth, causing the preforming tooth to penetrate through the wall of the tube until a protuberance is formed, positioning a solid cylindrical mandrel inside the tube. Then, the method includes guiding a second punch with a punching tooth, a leading end of the punching tooth having a shape complementary to a shape of the notch to be made in the wall of the tube, positioning a punching mandrel inside the tube, and having a groove suitable for containing the upset material. The invention can be used for notching headrests for the seats of a motor vehicle.

Abstract: A metal member manufacturing method is achieved by pressing a second region of a metal material without pressing a first region of the metal material, and pressing the first region without pressing the second region. The metal material has a hole formation region in which one through-hole is to be formed. The first region and the second region are contained in the hole formation region.

Abstract: A pilot assembly and method has a cylindrical pilot body with a pilot insert having tapered outer end. The pilot assembly has at least one inwardly curved sidewall relief, as well as internally mounted reciprocating ejector pins with outer ends that protrude through holes in the outer body end to strip stock from the pilot. A spring has its outer end mounted in the groove in the pilot body, and an inner end attached to the inner end of the pilot insert in a pre-tensed condition. A cap screw has an enlarged head that has at least a portion thereof fit into the pilot sidewall relief, and a threaded shank that anchors the pilot in an associated die member.

Abstract: A pilot assembly with a self-contained stripper and method for metal forming dies has a cylindrical pilot with internally mounted reciprocating ejector pins with outer ends that protrude through holes in the body of the pilot to strip stock from the pilot. The pilot assembly is secured to the die by a window mount such that one or more surfaces of the pilot abut surfaces on the window mount and die to secure the pilot to the die and window mount when the window mount is secured, via a fastener, to the die. A spring within the pilot assembly contacts an end of the ejector pins to force the pins to reciprocate when the dies are pulled apart. The assembly can be made without the locating pilot surface to provide a stripper assembly for stripping the stock from the associated die.

Abstract: Certain embodiments of the present invention relate to arcuate saddles typically used to anchor and suspend insulated or non-insulated pipes. Rounded corners on the saddles facilitate comfortably introducing and placing the saddles into hangers as well as improving use. Certain embodiments of the present invention involve methods of manufacturing arcuate saddles with rounded corners.

Abstract: A sheet material processing apparatus has a pressurizing part of a sheet material and a supporting part of the pressurized sheet material. The apparatus includes an end face pressing upper press die that receives a pressurizing force, an end face pressing lower press die that is arranged on the supporting part and faces the end face pressing upper press die so that an end face of the sheet material is inserted between the end face pressing upper and lower press dies, an end face pressing part that, with the end face pressing upper press die being moved toward the end face pressing lower press die, presses the end face of the sheet material, and an end face pressing width adjusting part that sets a pressing width of the end face of the sheet material.

Abstract: Methods for crimping a stent on an expandable member of a delivery catheter, and devices and methods for treating a bifurcation are disclosed. A method for crimping includes positioning a stent having a first portion and a second portion over the expandable member, and non-uniformly crimping the stent to the expandable member. The method can include routing an elongate shaft under the second portion of the stent and through the side hole so as to be routed external to the first portion. The stent second portion can be crimped so that the elongate shaft can be slidably disposed relative to the stent second portion prior to deployment of the stent.

Abstract: A pilot assembly and method has a cylindrical pilot body with a pilot insert having tapered outer end. The pilot assembly has at least one inwardly curved sidewall relief, as well as internally mounted reciprocating ejector pins with outer ends that protrude through holes in the outer body end to strip stock from the pilot. A spring has its outer end mounted in the groove in the pilot body, and an inner end attached to the inner end of the pilot insert in a pre-tensed condition. A cap screw has an enlarged head that has at least a portion thereof fit into the pilot sidewall relief, and a threaded shank that anchors the pilot in an associated die member.

Abstract: An improved cartridge case completely produced net shape on a progressive cold former that includes a trim to lengthy station with an internal shearing tool.

Abstract: A pilot assembly and method for metal forming dies has a generally cylindrical pilot with a stripper that strips stock from the pilot when metal forming dies diverge. The pilot assembly is secured to one die member by a fastener by itself or in combination with a window mount. A spring within the pilot assembly contacts the stripper to force the stripper to reciprocate when the dies are pulled apart. Thus, the pilot assembly helps locate the stock within the metal forming die while also having a stripper to help strip the stock from the pilot.

Abstract: A manufacturing method for a toothed member includes a thickened tooth shaping process in which a toothed shape is formed on a side wall portion while making a thickness of the side wall portion larger than a thickness of a bottom surface portion by relatively moving the compression die with respect to the restraint die and the pressure receiving member in the axial direction from the side of the opening end of the cup-shaped raw material toward the bottom surface portion. The manufacturing method being such that the thickened tooth shaping process includes applying a load against the restraint die such that the restraint die restrains the first surface and the second surface.

Abstract: A forging apparatus is described, comprising forging tools (5) which are arranged in a centrically symmetrical way about a forging axis (2) and whose tool holders (4) radially guided in a frame (3) are connected with lifting drives (7), which each comprise one respective connecting rod (8) that is pivotably supported via abutments (9) on a housing (1) on the one hand and on the tool holder (4) on the other hand, and comprising a common drive for the lifting drives (7) which comprises a torsional vibration drive (11) for at least one actuator (12) for the one of the two abutments (9, 10) of the connecting rods (8), which actuator is rotatably held about the forging axis (2). In order to ensure advantageous constructional conditions, it is proposed that the frame (3) forms the actuator (12) of the common drive for the lifting drives (7), and that the torsional vibration drive (11) is provided between the housing (1) and the frame (3) which is rotatably held about the forging axis (2).

Abstract: A method of operating a progressive die wherein the progressive die acts on a work piece having an elongated body with a blank at one end. The work piece is supported by a bandolier which is also formed in the progressive die. The progressive die acts on each blank.

Abstract: A pilot assembly and method has a cylindrical pilot sleeve with an apertured outer end in which a separate pilot pin is received, a grooved inner end, and a central portion with at least one inwardly curved sidewall relief, as well as internally mounted reciprocating ejector pins with outer ends that protrude through holes in the outer body end to strip stock from the pilot pin. A spring has its outer end mounted in the sleeve groove, and an inner end captured in a die pocket in a pretensed condition. A mounting screw has an enlarged head that has at least a portion thereof fit into the pilot sidewall relief, and a threaded shank that anchors the pilot sleeve in the die.

Abstract: A method of forming a stamped metal laminate part from a strip stock with a layer of viscoelastic material laminated between two metal layers, and a laminated abutment clip made by the method. Part carriers are disposed on the sides of the stock. A longitudinal axis extends between the part carriers through the stock. The stock is advanced through a progressive die to a first position where a first form is created, a second position, where a second form is created by modifying the first form, and to a third position where a third form is created. Relative sliding of the metal layers in the stock is prevented between the axis and the form being created, and relative sliding of the metal layers is permitted at a section beyond the particular form being created, preventing delamination of the stock while the first, second and third forms are formed.

Abstract: Multiple movable die portions (press punches) are respectively opposing to multiple fixed die portions (block members). Each of the press punches is sequentially pushed down with a predetermined time difference to the corresponding block member to continuously carry out press work to a material inserted into a press-work area between the press punches and the block members. A clearance is formed between a forward end of the press punch and a forward end of the block member at a position shortly before a press-work operating position in order to control a pulling force of the material, so that a shape distortion can be avoided.

Abstract: A method of manufacturing an endoscopic insertion portion with high manufacturing efficiency is provided. The endoscopic insertion portion includes a plurality of bending parts provided side by side with each other, a protruding portion provided in one of each two adjacent ones of the bending parts, and a receiving portion provided in the other of each two adjacent ones of the bending parts and into which the protruding portion is inserted rotatably. The method includes forming, in at least one plate material, a first bending part preparation portion for the formation of the one bending part and a second bending part preparation portion for the formation of the other bending part, connecting the first bending part preparation portion and the second bending part preparation portion by press processing, and forming the first and second bending part preparation portion into a cylindrical shape by press processing.

Abstract: A pilot assembly and method has a cylindrical pilot body with a tapered outer end, a grooved inner end, and a central portion with at least one inwardly curved side wall relief, as well as internally mounted reciprocating ejector pins with outer ends that protrude through holes in the outer body end to strip stock from the pilot. A spring has its outer end mounted in the groove in the outer body end, and an inner end attached to the inner body end in a pre-tensed condition. A cap screw has an enlarged head that has at least a portion thereof fit into the pilot sidewall relief, and a threaded shank that anchors the pilot in an associated die member.

Abstract: Method of forming depressions (e.g. dimples) in a sheet material to form a textured surface thereon involves pressing one or more tool tips into a metallic or non-metallic sheet material while the sheet material is supported by a support layer that is relatively softer (e.g. having a lower Young's modulus) than the sheet material so as to allow plastic deformation and reduce pile-up of raised displaced material of the sheet material at the edges of the depressions.

Abstract: Cage nut having a cylindrical nut body (14) provided with a coaxial bore having an interior thread, wherein the nut body is ending in an rectangular plate (16) and, wherein the nut body (14) by means of the rectangular plate (16) is floatingly supported within a cage (12) and, wherein the entire cage nut (10), i.e. the nut body (14), and the cage (12) merely is manufactured from a single strip (100) of metal sheet by tube-forming, thread-cutting, bending and punching as well as a method for producing such a cage nut.

Abstract: A method and tool for the production of three-dimensional attachments out of a flat strip by forming and fine blanking operations, especially for car seat components or the like. The flat strip is fed into a tool, at least one plate is stamped out of the plate in the tool, the plate is processed into an attachment in multiple processing steps, at first by fine blanking, in a following second step the developed burrs are flattened and then without finishing the attachment is removed from the tool ready for mounting. Attachments with complex geometry can be produced by combined fine blanking and forming operations in such a way, that mountable and burr-free parts with very small tolerances, high accuracy and process safety can be provided at effective costs.

Abstract: A press machine able to press-work a strip-shaped material during which it can prevent the strip-shaped material from moving or warping or can prevent the strip-shaped material from partially cracking and a processing method using that press machine. A multi-process press machine provided with a drive source M, a camshaft 1 driven by the drive source M and having a plurality of independent first cams 1a, 1b, and 1c and second cams 1h, 1i, and 1j, a plurality of die sets each comprised of a pair of a punch 2 and a die 3 connected with the first cam, a material holding member 7 pressing the strip-shaped material W against the die 3 when connecting with and pressing the second cam, and a base 5 supporting the dies.

Abstract: Staking apparatus (22) disclosed performs a method for staking one or more fasteners (44) of a part assembly (18) are provided by a conveyor (14), a lower lift and lock assembly (24) including a lower lifter (28) and a lower lock (30), and an upper press (26). Lower and upper staking punches (40, 60) of the lower lifter (28) and the upper press (26), respectively, provide the staking while at least one and preferably a plurality of springs (36) resiliently support a pallet assembly (16) on which the part assembly (18) is positioned.

Abstract: An apparatus, system and method for manufacturing metal parts, where input material is received from several material sources, multiple metal parts are produced at the same time, and the multiple metal parts may be provided to a downstream operation for subsequent processing. According to an exemplary embodiment, unwinding apparatuses unwind metal coils and provide three separate metal strips to coil-fed metal forming press. The coil-fed metal forming press then creates three separate blanks or metal parts at the same time. Next, a part transfer apparatus retrieves the three metal parts from an output side of coil-fed metal forming press, and presents them to part assembly apparatus, which may include a laser welder or other piece of equipment.

Abstract: A method of preparing a food product comprising the steps of obtaining an amount of suitable baking dough; placing the dough on a flat surface and shaping it into a rectangle; placing a suitable amount of flavoured sauce on the top surface of the dough; preparing a food skewer and placing it on the sauce; placing grated cheese on top of the food skewer; folding the dough rectangle partially over the food skewer to form a folded assembled food product. The product can then be baked in an novel baking pan comprising three baking chambers or the product can be frozen for future consumption.

Abstract: A method to make a flanged pin is described. The method includes feeding wire through a forming die whereby the wire is deformed to create a straight pin. The straight pin is then fed from the forming die to a heading die having a pre-formed cavity where a first portion of the straight pin is located in the forming die and a second portion of the straight pin is located in the heading die. A portion of the pin is secured in the forming and heading die, having a portion of the straight pin disposed in a gap defined by a space between the heading die and the forming die. As the die gap is closed, the portion of the straight pin is displaced into a pre-formed cavity thereby creating a flange.

Abstract: Crimping apparatus for crimping separate parts of a metal sleeve arranged concentrically about the junction between a shielded cable and a plug connector, including a pair of colinearly arranged annular crimping dies that are operable by an annular operating member arranged concentrically about the crimping dies, such that upon a single angular movement of the operating member in a given direction from a retracted position to a crimping position, one end of the sleeve is crimped to the plug in one desired manner, and the other end of the sleeve is crimped to the shielded cable in another desired manner.

Abstract: The invention concerns a device for crimping a contact on a cable end portion, comprising an axial bore (2) and: first means for crimping (3) the contact on one stripped part of the cable and second means for crimping (4) the contact on one sheathed part of the cable, said means being mobile between a spaced apart position and a crimping position; first and second means for moving (6, 17) said first and second crimping means (3,4) between their spaced apart position and their crimping position; the first displacement means (6) being actuatable in translation along an axial direction and the second displacement means (17) being actuatable in rotation about the axis of the bore (2).

Abstract: Various embodiments include a method for the manufacturing of washers for locking, each washer having a central hole, a first side comprising a pattern of radially extending teeth and a second side comprising a pattern of radially extending cams, the method comprising forming each washer in successive operations from a washer blank strip, a washer being punched out in a final punching operation. Various embodiments include forming and providing one side of the washer with a flat surface edge zone extending radially outside the pattern of this washer side and punching out the washer with a punch acting against at least a part of said flat surface. Embodiments of the invention also relate to a device for the manufacturing of washers and a washer.

Abstract: A horizontally stacked hemming press includes a horizontally disposed base. A first vertical support is mounted on the base and disposed generally perpendicular to the base. A linear track is mounted on the base. A horizontally disposed die stack including a plurality of cooperably operable die sets are horizontally arranged in series and moveable along the linear track. Each die set includes a pair of vertically disposed die shoes. A guided press platen is horizontally moveable along the linear track. A second vertical support is mounted on the base distal from the first vertical support and disposed generally perpendicular to the base. A drive mechanism is supported by one of the supports and connected to the press platen for opening and closing the die sets. Actuation of the drive mechanism horizontally moves the press platen and thereby horizontally opens one of the die sets.

Abstract: Staking apparatus (22) and a method for staking one or more fasteners (44) of a part assembly (18) are provided by a conveyor (14), a lower lift and lock assembly (24) including a lower lifter (28) and a lower lock (30), and an upper press (26). Lower and upper staking punches (40, 60) of the lower lifter (28) and the upper press (26), respectively, provide the staking while at least one and preferably a plurality of springs (36) resiliently support a pallet assembly (16) on which the part assembly (18) is positioned.

Abstract: The present invention in one embodiment is a device and method for flattening bottle caps from beverage containers. In a preferred embodiment of the invention, the bottle cap flattener includes a bottle cap positioner, a bottle cap holder, a bottle cap flattening tool, a motor and a positioning jig. The bottle cap positioner precisely locates a bottle cap so that the bottle cap flattening tool can interact with the bottle cap to flatten the bottle cap. The bottle cap positioner preferably includes a rotatable disk that is rotated by the motor. The bottle cap flattening tool applies pressure to a bottle cap through a tip to force the outer portion of the bottle cap into a flattened configuration along with the central portion of the bottle cap. The bottle cap holder applies force to a bottle cap located on the bottle cap positioner to hold the bottle cap in a precise relationship with the bottle cap positioner.

Abstract: A method and apparatus for forming cup-shaped members used in conjunction with a single-acting or a double-acting press having an outer punch assembly, an inner punch assembly and a base. A draw pad and a cutting edge are carried on the outer punch assembly, a draw horn is carried on the inner punch assembly and a blank and draw die is carried on the base. The draw pad and the draw horn oppose the blank and draw die such that the draw pad clampingly engages the blank and draw die in order to exert a clamping pressure on the pressure piston system having first and second pistons vertically stacked with respect to one another. The pressure piston system includes a damping member located within the pressure piston system for continuously increasing the clamping pressure during advancement of the outer punch assembly toward the base of the press.

Abstract: The invention relates to a hydraulically driven pressing device (1) comprising a piston (5) and a cylinder (4) for acting on pressing jaws (8, 8?, 8?), wherein the piston shaft (11) at any rate is connected to acting means (12). To further improve a pressing device of the type in question such that the same device can be used to carry out pressing operations requiring different levels of pressing power, it is proposed that an adjustable stop (33) be provided in the direction of displacement of the hydraulic piston (5) in order to achieve different end positions for the hydraulic piston (5) during the piston return stroke. A method of pressing a fitting with a tube is also described.

Abstract: A tube extending along a tube axis is straightened by radially outwardly plastically deforming and expanding the tube by means of an expander mandrel and simultaneously bending the tube by applying radially inwardly directed forces to the tube at three points lying on a triangle. One of the points is level with the mandrel on one side of the tube and the other two points axially flank it in axially opposite directions and bear on the other side of the tube.

Abstract: Arrangements including pressing arrangements of dies are provided as well as processes for pressing a contour into tubular material. Handrails and docks having a handrail thereon are provided. Processes for disembarking/embarking between a floating vessel and a dock are provided.

Abstract: Disclosed is a method for producing hollow elements (200), such as nut elements, which are to be mounted on parts generally made of sheet metal, particularly for producing hollow elements having an at least substantially square or rectangular outer contour (202). According to said method, individual elements are cut to size from a profiled member that is provided in the form of a profiled bar or a reel after punching holes into said profiled member, optionally followed by embodying a threaded cylinder (206) using a follow-on composite tool (10) with several workstations (A, B, C, D). The inventive method is characterized in that a penetrating process, a punching process, and a flattening process are carried out in the workstations (A, B, C, D). Also disclosed are hollow elements (200), assembly pieces, and a follow-on composite tool (10).

Abstract: A method to make a flanged pin is described. The method includes feeding wire through a forming die whereby the wire is deformed to create a straight pin. The straight pin is then fed from the forming die to a heading die having a pre-formed cavity where a first portion of the straight pin is located in the forming die and a second portion of the straight pin is located in the heading die. A portion of the pin is secured in the forming and heading die, having a portion of the straight pin disposed in a gap defined by a space between the heading die and the forming die. As the die gap is closed, the portion of the straight pin is displaced into a pre-formed cavity thereby creating a flange.

Abstract: Hexagonal washers are formed by the following steps: at least two through holes are provided in the middle of a belt of material, which are also used for positioning and advancing the belt; a first residual slot is formed between every two adjacent through holes; a second residual slot and a third residual slot are formed at the two sides of every first residual slot, thereby forming a hexagonal ring around each through hole; six wedge planes are forged around the bottom surface of each ring, and at least a V-shaped groove or a ridge is forged on the top surface of each ring; a larger through hole as the inner hole of a washer is produced at the center of each ring; the major shape of each washers is then formed without separating the washers from the belt; and the washers are fine-tuned to obtain the precise form factor and dimension before they separated from the belt.

Abstract: A curling die tool includes an upper die, a transmission, and a lower die. The upper die includes an upper-die body and a warping-bending pressure portion for a workpiece. The warping-bending pressure portion includes a punch member and is secured to the upper-die body. The transmission member includes a first supporting body corresponding to the punch member supporting the workpiece, along with a curling pressure portion. The transmission member defines a first supporting groove facing the upper die receiving the first supporting body, along with a curling-pressure-portion receiving groove opposite to the first supporting groove receiving the curling pressure portion. The lower die includes a second supporting body facing the curling pressure portion, supporting the workpiece, and defining a guiding groove and a second supporting groove receiving the second supporting body. The transmission member is movably connected to the lower die and slides along the guiding groove.

Abstract: A curling die tool includes an upper die, a transmission, and a lower die. The upper die includes an upper-die body and a warping-bending pressure portion for a workpiece. The warping-bending pressure portion includes a punch member and is secured to the upper-die body. The transmission member includes a first supporting body corresponding to the punch member supporting the workpiece, along with a curling pressure portion. The transmission member defines a first supporting groove facing the upper die receiving the first supporting body, along with a curling-pressure-portion receiving groove opposite to the first supporting groove receiving the curling pressure portion. The lower die includes a second supporting body facing the curling pressure portion, supporting the workpiece, and defining a guiding groove and a second supporting groove receiving the second supporting body. The transmission member is movably connected to the lower die and slides along the guiding groove.