Abstract: A tight space pilot, tight space pilot assembly, and related method includes a tight space pilot that can be installed into a die without fasteners, fastener apertures, or added blocks for mounting. The tight space pilot assembly includes ejectors that are retained by the pilot and a retaining ring that holds the tight space pilot in place in a die member.

Abstract: A forming tool includes at least one first die half where the first die half has an insert part which is designed to move a finished component out of the first die half along a direction of motion where a displacement direction of the insert part is inclined relative to the direction of motion.

Abstract: A tight space pilot, tight space pilot assembly, and related method includes a tight space pilot that can be installed into a die without fasteners, fastener apertures, or added blocks for mounting. The tight space pilot assembly includes ejectors that are retained by the pilot and a retaining ring that holds the tight space pilot in place in a die member.

Abstract: A forging tool used to forge a workpiece in a cuboidal forging space, wherein (a): the forging space is formed when the bottom surface of the first die and the bottom surface of the second die are brought into contact with the contact surface of the third die, or (b): the forging space is formed when a first die contact surface provided in the first die and a second die contact surface provided in the second die are brought into contact with each other.

Abstract: A guided retainer for movably coupling a holder to a plate of a stamping die for use in a press including a pin having an enlarged portion. A bushing received on and slidable relative to the pin into an abutting relationship with the enlarged portion. When the guided retainer is assembled with the holder and the plate, the guided retainer is capable of transferring motion of the holder to the plate during movement of the press to an opened position for insertion of a workpiece into the stamping die. The pin includes a groove and a retainer plate that is received in the groove. A stamping die configured to be used in a press to modify a workpiece. The stamping die including a holder that is adapted to be coupled to the press. A plate that is spaced apart from the holder and a guided retainer.

Abstract: A process for the production of a can body including a base and a tubular body from sheet metal which is coated on at least one side with a polymer layer, in which process, firstly, a round disc is produced from the sheet metal, which disc is then deep-drawn into a cup which has a polymer layer at least on the outside, after which this cup is formed into a can body by wall ironing, the wall ironing taking place in a single stroke by moving the cup successively through a redraw die and one or more wall-ironing rings.

Abstract: An ironing molding device for a metal container includes an annular ironing die carrying out an ironing processing to an outer surface of a cylindrical part of a bottomed cylindrical container by inserting a metallic bottomed cylindrical container disposed at a tip end of a punch sleeve, and a centering ring retainer as a support for a metallic ironing die for supporting said ironing die is provided with a bent elastic piece elastically supporting the ironing die, and the bent elastic piece is provided so as to be bent in a radius direction of said ironing die.

Abstract: The invention relates to machine tools and methods for processing plate-like workpieces. The machine tool comprises a first movement device for the movement of the workpiece in a first direction, two workpiece supporting surfaces spaced apart by a gap extending in a second direction and configured for supporting the workpiece, and a second movement device for the movement of a pressing tool in the second direction. The pressing tool comprises two tool components that are configured to move in a stroke direction relative to one another in order to process the workpiece in the gap by at least one of stamping and shaping. The machine tool also comprises at least one receiving device configured to move in the second direction one or more of in and along the gap for depositing at least one workpiece part formed when processing the workpiece by at least one of stamping and shaping.

Abstract: A workpiece conveying apparatus includes: a conveying table including a workpiece supporting mechanism; a first arm and a second arm each having one end pivotally coupled to the conveying table; a first moving unit coupled to another end of the first arm; a second moving unit coupled to another end of the second arm; and a posture control unit configured to control a posture of the conveying table through control of an angle between the conveying table and one of the first arm and the second arm, in which the first and second moving units are movable by a moving mechanism in a workpiece conveying direction, in which the conveying table is lifted up and down through a change of an interval between the first and second moving units, and in which these moving units are moved in the same direction to convey the workpiece.

Abstract: A stock ejector assembly and method for metal forming dies includes a stock ejector with a large spring and a ring-style stripper. The ring-style stripper provides a larger surface area for contacting the stock. The large compression spring is preloaded and when a load is applied, the stripper retracts and the spring pressure increases. When the dies separate, the stock ejector pushes the part off flat surfaces, separating surfaces sealed by adhesion, including but not limited to oil or lubricant adhesion.

Abstract: A guided keeper assembly for metal forming dies includes a base having a mounting face and a fastener aperture to mount the base to an associated die shoe, as well as a central guide aperture. A guide pin having a central portion is closely received in the central guide aperture for precisely guiding reciprocal motion between the die pad and the die shoe. The guide pin has an enlarged head at one end which abuts the base to positively limit travel between the die shoe and the die pad, and a shoulder at an opposite end with an alignment mechanism that precisely locates the guide pin on the die pad. A fastener extends through the fastener aperture in the base to securely connect the same with the die shoe. Another fastener securely connects the second end of the guide pin with the die pad.

Abstract: A system and method of making a forged part. The method may include forming a workpiece in a first die unit that may be disposed in a first press, transferring the workpiece to a tooth forming die unit that may be disposed in a second press, and forming the workpiece into the forged part by forming a set of teeth on the workpiece with the tooth forming die unit.

Abstract: A forging apparatus and method is disclosed in which an extrusion punch is held between an upper press and a lower press and propelled towards a billet by a ram to form an extruded shaped component. The extrusion punch has a striking face in which a recess is formed. During the extrusion process, material from the billet enters the recess so as to lock the extrusion punch and the shaped component together. Accordingly the shaped component is not lifted up with the upper press when it is separated from the lower press and so the position of the shaped component after the forging extrusion operation is known accurately and reliably.

Abstract: An industrial plant such as a disc dryer is constructed or retro-fitted with discs each comprising two annular plates connected to one another around their outer edges, each plate comprising one or more integral ribs extending between its inner edge and outer edge. The integral ribs may comprise folds in the annular plates, and each plate may be formed from a length of sheet material, by roll forming for example, so that the integral ribs are deeper towards the inner peripheral edge than the outer peripheral edge of the annular plates forming the disc.

Abstract: A knockout has a support surface and the support surface has: (i) a first knockout outer diameter capable of supporting the first inner diameter of a container side wall when the knockout is inserted into an opening of the metal container and when the metal container is being necked with a necking die; and (ii) a second knockout outer diameter capable of supporting the second inner diameter of the container side wall when the knockout is inserted into the opening of the metal container and when the metal container is being necked with the necking die, and wherein the first knockout outer diameter is larger than the second knockout outer diameter.

Abstract: The present disclosure relates to a system for forming a cartridge case, the system including a series of stages, each stage comprising a sequential location in the system, and each stage comprising a process step, wherein each process step is synchronized to occur within a substantially simultaneous stage interval, the stages including: an annealing stage, a head forming stage, and a taper stage. The present disclosure also relates to a method for manufacturing a cartridge case, the method including: receiving a single cartridge case at a time in a first direction into an annealing chamber through a first opening, passing an alternating current through an inductive coil for a certain time period to heat the cartridge case, releasing the cartridge case from the annealing chamber in the first direction through a second opening, and performing a forming step on the cartridge case.

Abstract: A die for forging a toothed section of a gear rack of a steering device, including a first die part (9) having a first molding recess (11) for molding the toothing and a second die part (10) having a second molding recess (12), which has the shape of the back area of the gear rack opposite the toothing. The die parts (9, 10) can be moved toward each other in a closing direction (13) into an end position, in which the die parts have a distance (s) from each other, wherein a main cavity (14) is formed between the die parts (9, 10) in a region of the molding recesses (11, 12) of the die parts (9, 10), the main cavity being open on opposite sides to secondary cavities (16, 17), which lie in respective regions between the first and second die parts (9, 10).

Abstract: [Problems] To present a manufacturing method of gears for a speed change device, capable of manufacturing gears for a speed change device by using a manufacturing apparatus, small in the load when forming, and small and simple in structure, and capable of obtaining gears for a speed change device not limited in gear deforming positions, small in generation of strain, and large in strength.

Abstract: A forming tool assembly and method for forming a cooking element. The forming tool assembly has an upper tool assembly and a lower tool assembly that cooperate to shape the cooking element from an annular cutout.

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: A guided keeper and method for metal forming dies includes a base with a head portion and an opposite externally threaded mounting portion received in a mating die aperture. A scalloped shoulder portion with arc-shaped notches is located axially between the head and the mounting portions of the base, and a retainer ring groove is located axially between the head and the scalloped shoulder portion of the base. A cap screw is retained in the die, and has a cylindrical head received in one of the arc-shaped notches in the base to retain the base in place. A retainer ring is mounted in the ring groove in the base and retains the cap screw in place.

Abstract: A locking collar assembly for metal forming dies includes a disc-shaped locking collar with a cylindrical outer surface closely received in a collar bore in one face of a first die member. A circular recess in the outer face of the locking collar has an internal retainer ring groove. A counter bore shaped fastener hole extends through the collar and a part of the recess, and has shank, head and shoulder portions. A socket head cap screw is inserted in the fastener hole with a threaded end anchored in a threaded end aperture in one of the guide pins, with the head seated on the shoulder of the fastener hole. A retainer ring is mounted in the collar ring groove and overlies the cap screw head to positively prevent the cap screw from unintentionally unfastening from the guide pin.

Abstract: A press (1) including: —a frame (2); —a first press bed (3) with a first tool part (4), wherein the first press bed (3) is provided between the frame (2) and the first tool part (4); —first displacement means (5); —a second press bed (6) with a second tool part (7) which in use is arranged at a position opposite to the first tool part (4), and where the second press bed (6) is provided between the frame (2) and the second tool part (7); —a device (8) for introducing workpieces (9) between the first (4) and the second tool parts (7); —a device (10) for ejecting finished workpieces (9?); —a punch (11) which is vertically displaceable through coaxial openings (13, 14) between the first tool part (4) and the second tool part (7); —a punch cylinder (15) for displacing the punch (11), wherein the press furthermore includes second displacement means (16) which are connected between the frame (2) and the second tool part (7) for horizontal displacement of the second tool part (7) between a pressing position with the

Abstract: A redraw press with an improved can blank transfer mechanism is provided which allows for a substantial increase in the operating speed of the press. Servomotors are used to accurately control positioning and rates of movement of the can blanks as they move downstream through the press.

Abstract: A forging device capable of producing a high-quality forged article while simplifying the structure is provided. The forging device of the present invention includes a punch 1, a die 2 having a shaping hole 22 and a helical blade portion 23 formed on an inner peripheral surface of the shaping hole, a back pressure generation mechanism 15, and a back pressure transmission mechanism. The back pressure transmission mechanism includes a rotation-side transmission member having a back pressure plate 40 and a non-rotation-side transmission member. The back pressure plate 40 is arranged in the shaping hole 22 in a fitted manner.

Abstract: A forming tool assembly and method for forming a cooking element. The forming tool assembly has an upper tool assembly and a lower tool assembly that cooperate to shape the cooking element from an annular cutout.

Abstract: A compression limiter is disclosed that comprises an upper surface and a lower surface. The compression limiter further comprises an inner surface that defines a passageway configured to accommodate a fastener and an outer surface configured to engage a structure in which the compression limiter is placed. A first retainer projects outwardly from the outer surface and includes a first retention surface that has at least a planar portion. The first retainer further includes an undercut surface disposed inwardly from the first retention surface so as to create a corner extending in a direction with at least a component perpendicular to the longitudinal direction. A method of forming the compression limiter is also disclosed.

Abstract: A forging mold includes a female mold and a male mold coupling with the female mold. The female mold includes an external mold defining an accommodating groove for receiving an internal mold and a pressing block therein, and a first fixing hole penetrating through the external mold and connected with the accommodating groove. The pressing block has a gap opened at a bottom portion thereof and adjacent to the internal mold. The internal mold has a base body and a blocking protrusion protruded from a bottom portion of the base body to be pressed in the gap. A first fixing element is screwed into the first fixing hole of the external mold with a distal end thereof resisting against the pressing block to further press the pressing block towards the internal mold so as to secure the internal mold and the pressing block in the accommodating groove.

Abstract: The present invention concerns a process and an apparatus for positioning blanks in a tool provided with at least one die, at least one locating device for centring the lamination and at least one stripper element for separating the blank from the locating device. The locating device has an engaging portion having shape and dimensions so as to engage the contour of a centring hole placed inside the profile of the lamination obtained as final product and having the shape of a portion previously blanked.

Abstract: A draw die set defines a die cavity. A die entry area is provided at the location where a blank is drawn into the die cavity. A plurality of rolling elements such as cylindrical rollers or spherical balls are retained in pockets formed at the die entry area. A punch may be provided with rolling elements that engage a blank on the opposite side from the rollers in the die entry area. The rollers in the die entry area and on the punch may be arranged in rows that form a tangent surface that engages the sheet metal blank as it is drawn into the die cavity.

Abstract: A guided keeper assembly for metal forming dies includes a base having a mounting face and a fastener aperture to mount the base to an associated die shoe, as well as a central guide aperture. A guide pin having a central portion is closely received in the central guide aperture for precisely guiding reciprocal motion between the die pad and the die shoe. The guide pin has an enlarged head at one end which abuts the the-base to positively limit travel between the die shoe and the die pad, and a shoulder at an opposite end with an alignment mechanism that precisely locates the guide pin on the die pad. A fastener extends through the fastener aperture in the base to securely connect the same with the die shoe. Another fastener securely connects the second end of the guide pin with the die pad.

Abstract: A plate-type workpiece part ejector tool includes an upper tool portion and a lower tool portion. The upper tool portion includes a tool body, and a plurality of cutting tools that carried by the tool body. Each of the cutting tools includes a guide body having a punch. The lower tool portion has a single ejection opening. The ejection opening has at least one counter-cutting edge. The cutting tools are accommodated in the tool body so as to be movable relative to the lower tool portion, such that each of the cutting tools is optionally alignable with the counter cutting-edge.

Abstract: An elevated temperature forming system in which a sheet metal workpiece is provided in a first stage position of a multi-stage pre-heater, is heated to a first stage temperature lower than a desired pre-heat temperature, is moved to a final stage position where it is heated to a desired final stage temperature, is transferred to a forming press, and is formed by the forming press. The preheater includes upper and lower platens that transfer heat into workpieces disposed between the platens. A shim spaces the upper platen from the lower platen by a distance greater than a thickness of the workpieces to be heated by the platens and less than a distance at which the upper platen would require an undesirably high input of energy to effectively heat the workpiece without being pressed into contact with the workpiece.

Abstract: A stripper device for can drawing and ironing apparatus can remove a drawn and ironed can material from a punch without causing buckling (curl and wrinkle) on the material. Each finger (2) is split into three small fingers (21), and an axial end of each small finger (21) is engaged with the lower part of a rocking arm (3) with an elastic member (24) in between. A head portion (33) of each rocking arm (3) is engaged with a cam portion (42) of a cam ring (4) to allow the finger (2) to be driven independently each other. Each rocking arm (3) is biased by an arm spring (32) in the direction of opening the small finger (21), while the small finger (21) is biased by a finger spring (22) in the direction of its closure.

Abstract: A method of forming a powder metal forging, including the steps of: forming a preform including a sintered powder metal composition; inserting the preform in a die set having a bottom die and a top die, the die set defining a forge form therewithin, the die set being in a closed position wherein the top die is contacting the bottom die; and compressing the preform in the forge form using an upper punch and a lower punch, the compressing step resulting in a formed part. The closed die set minimizes or eliminates flash in the formed part, particularly in the contoured surfaces, which allows the forging to be through hardened by direct quenching after the forging operation, without the need to remove hardened flash from these surfaces.

Abstract: A device and method are provided for forging sleeve-shaped parts such as pistons. The device includes a form with: an upper form mandrel (C); an outer form ring (A); a lower form mandrel (B); an ejector device with an upper ejector (G) for ejection through the upper form mandrel (C); a lower ejector (H) for ejection through the lower form mandrel (B). Optional support devices for the form include a lower reinforcement ring (D) for the lower region of the outer form ring (A), a form mandrel housing (F) for the upper region of the outer form ring (A), and a clamping base (E) to support the lower form mandrel (B), by means of which the lower ejector (H) may be operated. The device and method advantageously facilitates the manufacture of pistons having a long skirt length and a minimal wall thickness.

Abstract: A shear punching die assembly having first and second die units in which a material is punched to form a work while the material is clamped between the first and second die units is taught that preferably include a main punch contained in the first die unit and having a cross-sectional shape corresponding to a shape of the work, an ejector contained in the second die unit and positioned axially opposite to the main punch, an ejector biasing member normally biasing the ejector toward the main punch, an ejector retaining device that is capable of acting on the ejector when the first and second die units are in a closed condition, thereby retaining the ejector in a predetermined position, and an ejector releasing device that is capable of acting on the ejector retaining device when the first and second die units are opened over a desired distance, thereby releasing the ejector.

Abstract: A guided keeper assembly and method for metal forming dies includes a base having a mounting face, a connector portion and a central aperture. A guide pin has a cylindrical center portion closely received in the central aperture of the base for reciprocation, an enlarged first end with an alignment member, and an outwardly opening circumferential groove. A retainer ring is removably mounted in and protrudes radially outwardly of the groove to securely, yet detachably, retain the base on the guide pin between the enlarged head and the retainer ring in an assembled condition to facilitate transport and mounting of the guided keeper assembly.

Abstract: A guided keeper assembly and method for metal forming dies includes a base having a flat mounting face and at least one marginal fastener aperture to detachably mount the base to an associated die shoe, as well as a central guide aperture. The assembly also includes a guide pin having a central portion closely received in the central guide aperture of the base for precisely guiding reciprocal motion between the die pad and an associated die shoe. The guide pin has an enlarged head at a first end thereof which abuts the mounting face of the base to positively limit travel between the die shoe and the die pad, and a shoulder at the opposite or second end thereof with an alignment mechanism that precisely locates the second end of the guide pin on the die pad. A first fastener extends through the marginal fastener aperture in the base to securely, yet detachably, connect the same with the die shoe. A second fastener securely, yet detachably, connects the second end of the guide pin with the die pad.

Abstract: The invention relates to a take-off ring 10 which is provided in particular for use in connection with deep-draw presses 12. It serves for removing a top-shaped can body 11 from a drawing plunger 18. The take-off ring 10 includes a multitude of take-off elements 27 which are arranged uniformly distributed in circumferential direction U and separated in each case by a gap 48. The take-off elements 27 are interconnected by an annular base section 30 which extends around the take-off elements 27 in the circumferential direction U. Radially inwardly a spring section 38 and a transition section 39 of the take-off element follow. The transition section 39 is pivotable by way of the spring section 38 about a pivot axis 55 which extends in the circumferential direction U. A take-off tongue 35 extends in a transverse direction away from the transition section 39 toward a free end 41.

Abstract: A workpiece supporting device for a multiple-die horizontal forging press comprises a transfer pliers arranged at each recess of a die and having a movable stem operating as a workpiece ejecting means, the stem being coupled, at one end portion thereof, facing a driving mechanism, through a coupling bracket, to a driving rod, one end of which, arranged at a recess of the die respectively of the transfer pliers, houses a workpiece restraining device, formed by a rocker mechanism, which can swing about a cross pivot pin and against a spring means affecting an arm of the rocker mechanism.

Abstract: A guided keeper assembly and method for metal forming dies includes a base having a flat mounting face and at least one marginal fastener aperture to detachably mount the base to an associated die shoe, as well as a central guide aperture. The assembly also includes a guide pin having a central portion closely received in the central guide aperture of the base for precisely guiding reciprocal motion between the die pad and an associated die shoe. The guide pin has an enlarged head at a first end thereof which abuts the mounting face of the base to positively limit travel between the die shoe and the die pad, and a shoulder at the opposite or second end thereof with an alignment mechanism that precisely locates the second end of the guide pin on the die pad. A first fastener extends through the marginal fastener aperture in the base to securely, yet detachably, connect the same with the die shoe. A second fastener securely, yet detachably, connects the second end of the guide pin with the die pad.

Abstract: A method for strengthening a surface of a metal member. The method includes the following steps in the sequence set forth: (a) coating the surface of the metal member with a carbon-based film having a thickness of not smaller than 0.2 ?m; and (b) repeatedly applying a pressing force onto the surface of the film-coated metal member in a condition of maintaining a contact pressure of not lower than 2.5 GPa at the surface of the film-coated metal member.

Abstract: Provided herein are pressure modules for use with die pressing operations for stripping work pieces from individual dies. The pressure modules include a top plate and a transfer plate that is separated by a resilient member that is compressed when a die set is closed and which provides a restoring force when the die set is opened. The pressure modules are formed independent of the dies and supported relative to the ram or press-bed of the press. In this regard, transfer pins may be utilized to transfer the restoring force from the resilient member to a stripper mechanism. In another arrangement, a press is provided that allows the pressure modules to be removed from or inserted into the press without removing a die attached to the press.

Abstract: A guided keeper assembly and method for metal forming dies includes a base having a flat mounting face and at least one marginal fastener aperture to detachably mount the base to an associated die shoe, as well as a central guide aperture. The assembly also includes a guide pin having a central portion closely received in the central guide aperture of the base for precisely guiding reciprocal motion between the die pad and an associated die shoe. The guide pin has an enlarged head at a first end thereof which abuts the mounting face of the base to positively limit travel between the die shoe and the die pad, and a shoulder at the opposite or second end thereof with an alignment mechanism that precisely locates the second end of the guide pin on the die pad. A first fastener extends through the marginal fastener aperture in the base to securely, yet detachably, connect the same with the die shoe. A second fastener securely, yet detachably, connects the second end of the guide pin with the die pad.

Abstract: A stripper device for can drawing and ironing apparatus can remove a drawn and ironed can material from a punch without causing buckling (curl and wrinkle) on the material. Each finger (2) is split into three small fingers (21), and an axial end of each small finger (21) is engaged with the lower part of a rocking arm (3) with an elastic member (24) in between. A head portion (33) of each rocking arm (3) is engaged with a cam portion (42) of a cam ring (4) to allow the finger (2) to be driven independently each other. Each rocking arm (3) is biased by an arm spring (32) in the direction of opening the small finger (21), while the small finger (21) is biased by a finger spring (22) in the direction of its closure.

Abstract: A method and device for production of stampings with an almost smooth cutting and enlarged functional surface, especially fine blanking and/or forming a workpiece out of a flat strip, wherein flat strip is clamped between an upper part consisting of a shearing punch, a pressure pad, a V-shaped projection and an ejector arranged on the pressure pad, and a lower part consisting of cutting die, ejector and an inner form stamp. By adjusting the state of stress in the cutting zone to a position oriented compressive stress by movement slightly retarded with regard to movement of the shearing punch additionally pressing in material in a direction almost perpendicular to the cutting direction by a tool element acting with controlled force depending on the part geometry and thickness of the workpiece parallel to the cutting line between shearing punch and cutting die, tears at cutting and reduced rollover are achieved.

Abstract: An addendum shape portion of a panel material is drawn by a drawing portion of a press forming die by an amount equal to or less than the limit to which the panel material can be drawn, whereby a to-be-product portion of the panel material is roughly conformed to a forming face of a punch. In this state, the to-be-product portion of the panel material is stretched or drawn. Accordingly, the cross section of the to-be-product portion is uniformly changed at the minimum level, which makes it possible to produce, by press forming, a fender panel made of aluminum base alloy, which has a great plane dimension L and high quality. As a result, flexibility in the design of panel parts, which are formed by pressing the panel material into shapes, is increased.

Abstract: A tool for use in a powder metal process is disclosed. The tool includes an upper tool and a lower tool. The upper and lower tools may include multiple members for each tool. The lower tool having a predetermined cross sectional profile that continuously expands outward from or near a center point of the lower tool. The lower tool is also secured within a press for the powder metal process via a fastening mechanism.