Abstract: A reciprocating linear motion mechanism for a can body maker includes: a housing including an internal gear; a first rotation body; a first bearing connecting the housing and the first rotation body; a convex part protruding toward one side of an axis direction in the axis direction; a second rotation body including an external gear meshing with the internal gear; a recess recessed toward onside in the axis direction from a surface facing the other side of the second rotation body in the axis direction and into which the convex part is inserted; a second bearing connecting the convex part and the recess; and a ram shaft connection part connected to the second rotation body and moved linearly in a reciprocating manner, wherein the internal gear, the external gear, the recess, the second bearing, and the convex part overlap each other.

Abstract: A unitary forward mounting assembly for a bodymaker includes a unitary forward mounting body with a cradle portion, a first support arm portion and a second support arm portion. The cradle portion has a forward side, a rear side, a right side, and a left side. The first support arm portion is disposed at the cradle portion right side. The second support arm portion is disposed at the cradle portion left side.

Abstract: A domer station having a domer assembly, a housing assembly, and a stacked piston assembly is provided. The domer assembly is movably disposed within a domer body passage located in the housing assembly and structured to move between a forward, first position and a retracted, second position. The stacked piston assembly includes a plurality of pistons, preferably three pistons, disposed in series and a pressure supply. The pistons are disposed behind the domer in pressure chambers. The pistons have a constant pressure applied thereto and are biased towards the domer. The pistons are, however, each restrained by a stop and do not contact, or operatively engage, the domer when the domer is in the domer first position.

Abstract: A ram drive assembly for a can bodymaker includes a mounting assembly and a number of forming assemblies supported thereon, each including: a stationary assembly, having a die pack and a domer, and a moving assembly having a ram assembly and a cam follower assembly. The die pack defines a passage having a proximal and a distal end, with the domer disposed adjacent the distal end. The ram assembly includes a ram body having a proximal and a distal end, with the cam follower assembly coupled to the proximal end. The ram body is structured to reciprocate through the passage between a retracted and an extended position. The ram drive assembly includes: a cam having a body with a number of surfaces for engaging each cam follower assembly; and a motor having a rotating output shaft operatively coupled to the cam body for rotating the cam body.

Abstract: A die pack mounting for a bodymaker includes a die pack mounting bed and a die pack mounting door assembly. The die pack mounting door assembly is movably coupled to the die pack mounting bed. The die pack mounting door assembly is movable between an open, first position, wherein the die pack mounting door assembly is structured to support a die pack in a maintenance configuration, and, a closed, second position, wherein the die pack mounting door assembly fixes the die pack in a selected position. Further, the die pack mounting door assembly does not include any coolant fluid fittings. That is, the die pack mounting door assembly defines internal passages for coolant and the coolant is supplied via similar passages in the die pack mounting bed.

Abstract: An apparatus for forming a base profile on a metal container carried on a punch moving along an axis. The apparatus comprises a die for forming the base profile on the container and a resilient support for holding the die in a resting position substantially along said axis whilst allowing the die to be deflectable perpendicular to said axis and providing a restoring force to return the die to the resting position.

Abstract: A toolpack for a can bodymaker with a vertically oriented, reciprocating, elongated ram assembly is provided. The toolpack includes a tool pack housing assembly, a number of die spacers, a number of dies, and a compression device. The tool pack housing assembly defines a passage and includes an inner surface, an upper sidewall, a lower sidewall, a first lateral sidewall, a second lateral sidewall, a rear sidewall, and a door. The tool pack housing assembly passage extends generally vertically. Each die spacer structured to support a die and defining a central passage. Each die including a body defining a central passage. The die spacers and dies are disposed in said tool pack housing assembly. The compression device is disposed at said tool pack housing assembly lower sidewall and is structured to axially bias said number of die spacers.

Abstract: A pneumatic actuator (240), comprising: a pressure reducer (270) for delivering gas under a reduced pressure to a control valve; the control valve (280) selectively supplying gas to a pneumatic cylinder (290) or discharging gas from the cylinder (290) to the environment; a replaceable gas capsule (260) for supplying the gas under increased pressure; where the actuator has a first mode of operation for moving the piston (293) to the extended position, and has a second mode of operation for retracting the piston (293). A method for assembling a pneumatic actuator. A portable tool, a clamping device, a screw clamp comprising such a pneumatic actuator. A method for assembling the screw clamp. A method for repairing the screw clamp.

Abstract: A domer station having a domer assembly, a housing assembly, and a stacked piston assembly is provided. The domer assembly is movably disposed within a domer body passage located in the housing assembly and structured to move between a forward, first position and a retracted, second position. The stacked piston assembly includes a plurality of pistons, preferably three pistons, disposed in series and a pressure supply. The pistons are disposed behind the domer in pressure chambers. The pistons have a constant pressure applied thereto and are biased towards the domer. The pistons are, however, each restrained by a stop and do not contact, or operatively engage, the domer when the domer is in the domer first position.

Abstract: A formed material 1 having a cylindrical trunk portion 10 and a flange portion 11 formed at an end section of the trunk portion is manufactured by performing multi-stage drawing of a material metal sheet. Multi-stage drawing includes: preliminary drawing that forms, from a material metal sheet 2, a preform 20 having a trunk element 20a; compression drawing that is performed at least once after the preliminary drawing and that forms the trunk portion 10 by drawing the trunk element 20a while applying a pressure-adjustable compressive force to the trunk element 20a; and finish-ironing that is performed for securing dimensional precision at least once following the compression drawing.

Abstract: An actuator assembly for a redraw sleeve that operates independently of the ram drive mechanism is provided. The actuator assembly utilizes a servomotor. The servomotor is structured to provide its output shaft with a variable rotation speed so as to accommodate the need for the redraw sleeve to be in selected locations at specific times.

Abstract: Provided are: a method for producing a molded material comprising tubular body and a flange formed at an end portion of the body; and a molded material produced thereby, which can prevent the flange of the molded material becoming unnecessarily thick, avoid the generation of wrinkles and buckling, and allow weight reduction of the molded material and size reduction of a base metal sheet. When producing the molded material by molding processes including at least one drawing-out process and at least one drawing process performed after the drawing-out process, a first drawing process is carried out on a region corresponding to the body while opening a die and a drawing sleeve, and an ironing process is carried out on a region corresponding to the flange while keeping a constant interval of a mold gap between the die and the drawing sleeve.

Abstract: Provided is a method for forming a blank, the method being capable of improving both yields and formability. The method for forming a blank 1 includes forming the blank 1 into a preforming shape by plastic deformation and then plastically deforming the blank 1 from the preforming shape into a final shape. The preforming shape is determined so that, in each of cross sections in the final shape, the ratio (L1/L0) of a cross-sectional line length L1 in the preforming shape to a cross-sectional line length L0 in the final shape in the same cross section position falls within a predetermined tolerance range.

Abstract: A die pack mounting for a bodymaker includes a die pack mounting bed and a die pack mounting door assembly. The die pack mounting door assembly is movably coupled to the die pack mounting bed. The die pack mounting door assembly is movable between an open, first position, wherein the die pack mounting door assembly is structured to support a die pack in a maintenance configuration, and, a closed, second position, wherein the die pack mounting door assembly fixes the die pack in a selected position. Further, the die pack mounting door assembly does not include any coolant fluid fittings. That is, the die pack mounting door assembly defines internal passages for coolant and the coolant is supplied via similar passages in the die pack mounting bed.

Abstract: In a die for compressing and sizing a sintered body at straight portions, upper taper portions are provided on a die upper portion and a core rod upper portion, and the straight portions are provided at a die lower portion and a core rod lower portion. The die upper portion and the core rod upper portion have Young's moduli higher than the die lower portion and the core rod lower portion. The die upper portion and the core rod upper portion are made of materials having Young's moduli that are at least 50 GPa higher than that of the sintered body. The sintered body can be densified with a smaller ironing margin. Since the sintered body is ironed without being compressed, by the upper taper portions and the core rod upper portion having high Young's moduli, the die is prevented from breaking and being abraded due to ironing.

Abstract: A method for manufacturing metal sealing caps comprising providing a strip or sheet of aluminum alloy of the grade known to a person skilled in the art as “brilliant” or “grand brilliant”, typically being coated on at least one of the two surfaces thereof, generally the surface intended for the inside of the cap, with a layer of stamping varnish is described herein.

Abstract: According to one embodiment, a data collection system includes an event data collector, a state machine generator, a state machine list, and a state machine driver. The event data collector collects sense signals respectively as a plurality of event data. The state machine generator generates a state machine as a model corresponding to the workpiece. One of the sense signals is acquired when the workpiece is fed into the processing system. The state machine generator generates the state machine and generates an ID for the state machine when the event data collector collects one of the plurality of event data corresponding to the one of the sense signals. The state machine driver drives the state machine retained in the state machine list by sending, to the state machine retained in the state machine list, an event corresponding to another one of the sense signals.

Abstract: A method of manufacturing a press-molded article includes: projecting an inner pad, provided at an apex portion of a punch, from the punch toward a side of a die, and disposing a metal sheet blank on the inner pad; and projecting a die pad, provided at the die, from the die toward a side of the punch to dispose the die pad at a position separated from the inner pad by a predetermined distance that is greater than a plate thickness of the metal sheet blank; forming a side walls by moving the die toward the punch side relative to the die pad, the inner pad, and the punch, and integrating the die pad with the die; and forming a top plate by moving the die and the die pad, which have been integrated, and the inner pad, toward the punch side relative to the punch.

Abstract: Disclosed is a method to manufacture a pressed component from an intermediate stock, which includes two bent portions with a spacing thereof narrower than a width of a top plate of the pressed component, by employing a press including a die having a die pad and a punch having an inner pad, the method including: gripping a portion between the bent portions with the inner pad and the die pad in a state in which the inner pad projects from the punch and the die pad projects from the die; moving the die toward the punch side to form vertical walls of the pressed component with the die and the punch; and integrating the die and the die pad and then moving the die, the die pad and the inner pad toward the punch side to form the top plate.

Abstract: A method for manufacturing a molded member is provided wherein the base metal sheet is subjected to multi-stage drawing to manufacture the molded member, including a tubular body and a flange formed at an end portion of the body. The multi-stage drawing includes: preliminary drawing for forming a preliminary body having a body element from the base metal sheet; at least one compression drawing performed after the preliminary drawing and forming the body by drawing the body element while applying a compressive force to the body element; and at least one finishing ironing performed after the at least one compression drawing.

Abstract: A method of forming a surface in a panel includes positioning a panel blank between a stationary die and a moveable die of a die set, and moving the moveable die toward the stationary die to deform the panel blank therebetween. Positive stresses in the panel blank are maintained in the region of the panel blank that will form the surface by forming a bead along a length of the surface to be formed in the panel blank, as the moveable die moves toward the stationary die. The moveable die continues to move toward the stationary die, while maintaining positive stresses in the panel blank in the region of the panel blank that will form the surface, to further deform the panel blank into a formed shape that includes the surface.

Abstract: A draw press includes a carriage moveable toward a work piece and an upper die movably secured to the carriage. The upper die is movable with respect to the carriage to draw the work piece. A method for drawing a metal part is also disclosed.

Abstract: A can bodymaker, which includes a disc feed (1) for feeding a disc (5) directly to the bodymaker itself. A locator (9) positions the disc (5) centrally to a blankholder (12) and a draw pad (10) clamps the disc (5) against a draw die (11). The blankholder (12) then forms the disc into a cup (20) and clamps the cup against a redraw die (14) ready to be picked up by a punch and carried through dies for forming a can body.

Abstract: An actuator assembly for a redraw sleeve that operates independently of the ram drive mechanism is provided. The actuator assembly utilizes an eccentric journal coupled to a drive shaft of a servomotor. The servomotor is structured to provide its output shaft with a variable rotation speed so as to accommodate the need for the redraw sleeve to be in selected locations at specific times. Further, the redraw sleeve includes a collapsing redraw cylinder to allow the redraw sleeve to dwell in a forward position.

Abstract: A method for producing a pot-shaped component from a flat blank. The method comprises the following steps: a) shaping the flat blank in at least one deep-drawing step to form a pot-shaped raw component having a substantially flat bottom area and a circumferential frame, and b) shaping the pot-shaped raw component in a tool having a conically tapered die that applies shear to the circumferential surface of the frame in the axial direction against the conically tapered die. In step b), the bottom area is clamped between an ejector and a hold-down mechanism and the conically tapered die surrounds the bottom area of the raw component radially on the outside and extends in a diameter-reducing manner in a tool stroke.

Abstract: A formed material having a tubular body and a flange formed at an end of the body is manufactured by multistage drawing of a blank metal sheet. The multistage drawing includes preliminary drawing in which a preliminary body having a body preform is formed from the blank metal sheet, and at least one compression drawing which is performed after the preliminary drawing and in which the body is formed by drawing the body preform while applying a compressive force to the body preform. The at least one compression drawing is performed so as to be completed before the pad portion of pressurization means reaches bottom dead center, and a support force supporting the pad portion acts as the compressive force upon the body preform when the body preform is drawn.

Abstract: An assembly to restrict fluid flow through the bearing section of a positive displacement or progressive cavity pump or motor. The assembly fits within the bearing chamber and includes an upper ring member, a lower ring member, an outer ring member and a floating member. The floating ring member is axially disposed between the upper and lower ring members. The floating ring member is also disposed at least partially around a drive shaft and is radially movable and constrained inwardly of the outer ring member. The floating ring member has a radial clearance between the drive shaft and a floating ring member inner surface with the radial clearance varying depending on the relative position of the floating ring member to the outer ring member.

Abstract: An ironing ring for use in a press for ironing pressing or drawing of a workpiece. The ironing ring has a work surface which, upon deforming the workpiece, contacts the workpiece, and causes flowing of the workpiece material. In order to prevent friction deposits in the region of the work surface of the ironing ring, a microstructure, differing from the roughness of the work surface, is introduced into the work surface, which forms elevations and/or recesses in the work surface. Material particles remaining on the work surface after the deforming of a workpiece thus adhere less strongly to the work surface and can be stripped off during the next deforming process.

Abstract: A domer station having a domer assembly, a housing assembly, and a stacked piston assembly is provided. The domer assembly is movably disposed within a domer body passage located in the housing assembly and structured to move between a forward, first position and a retracted, second position. The stacked piston assembly includes a plurality of pistons, preferably three pistons, disposed in series and a pressure supply. The pistons are disposed behind the domer in pressure chambers. The pistons have a constant pressure applied thereto and are biased towards the domer. The pistons are, however, each restrained by a stop and do not contact, or operatively engage, the domer when the domer is in the domer first position.

Abstract: An ironing mold according to the present invention includes a punch that is inserted into a formed portion, and a die having a pushing hole into which the formed portion is pushed together with the punch. An inner peripheral surface extends non-parallel to an outer peripheral surface of the punch, and the inner peripheral surface is provided with a clearance that corresponds to an uneven plate thickness distribution, in the pushing direction, of the formed portion prior to the ironing relative to the outer peripheral surface to ensure that an amount of ironing applied to the formed portion remains constant in the pushing direction.

Abstract: The invention concerns an arrangement (20) and a method for the manufacture of can bodies from pot-shaped blanks (37). To this end, the blank (37) is inserted into a bottom tool part (45). The blank (37) is clamped between a downholder (23) and a counter support surface (47) of the lower tool part (45). For controlling a position value ? determining the position and/or position change of the downholder (23), a drive arrangement (22) is provided. The drive arrangement controls the position value in accordance with a predetermined course, so as to move the downholder (23) into the clamping position or out of the clamping position EP. As soon as the downholder (23) reaches its clamping position EP, the drive unit (22) controls a force value in accordance with a predetermined course which determines the clamping force F(t) which is applied by the downholder (23) to the blank (37). This occurs preferably by an adjustment of the motor current I to a predetermined course of the desired value IE(t).

Abstract: A can bodymaker is provided. The can bodymaker includes two rams that travel over a generally vertical path. The bodymaker includes a housing assembly and an operating mechanism structured to move a number of ram assemblies over a vertical path of travel. The operating mechanism includes a crankshaft, a motor, a link assembly, and a number of ram assemblies. The crankshaft is rotatably coupled to the housing assembly and includes a number of pairs of crankpin journals. The motor is operatively coupled to said crankshaft. The link assembly includes a number of links. Each ram assembly includes an elongated ram body, each ram body structured to move over a ram path. Links from said link assembly extend between, and movably couple, each crankshaft crankpin journal to a ram body.

Abstract: A forming tool for press forming a plate includes a top die and a bottom die, wherein in a dosed state of the forming tool a mold cavity remains between the top die and the bottom die and a punch is provided which can be moved relative to the forming tool in a movement direction, which punch is at least movable into the mold cavity and the punch is supported elastically with at least one further degree of freedom of movement, wherein the degree of freedom of movement is oriented transverse to the movement direction, wherein the punch has a foot region and is pivotally supported at the foot region.

Abstract: The invention relates to an apparatus, an installation and a method for machining a workpiece made of metal, such as steel, by a machining processes such as forming, pressing, drawing, compressing and cutting. The invention includes at least two tools and a drive associated with the tools for their movement and for carrying out the machining process. The drives are arranged in such a way that when travelling on trajectories the tools have different speeds over at least a part of their trajectories.

Abstract: Provided is a method of forming a hot press product, the method including: a positioning and placing step of positioning a material, which is heated, and placing the material on a mold through engagement between a positioning pin provided to the mold and a positioning hole provided in the material; and a pressing and hole expanding step of performing press forming on the material through use of the mold, and expanding the positioning hole through bulging of a peripheral part of the positioning hole of the material) when the press forming is performed.

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 dual double-action can body maker characterized in that a can body maker of the opposite way double-action structure is formed by way of a structural design of using two identical ram drive mechanisms and a design scheme of sharing one crankshaft. Two ram drive mechanisms share one crankshaft, and are arranged symmetrically to balance the inertial force of such parts as a swing lever. A slide yoke and a ram in motion and the reaction force generated in the can body redrawing and ironing process to reduce the load of the support bearing of the crankshaft and extend the service life.

Abstract: An operation method of an electric press working machine including a frame body, a crown, and a plurality of support posts, a first slide that slides on the support posts, a second slide that slides on the support posts, a first-side drive source that drives the first slide, a second-side drive source that drives the second slide, and either a first upper die that is attached to correspond to the first slide or a second upper die that is attached to correspond to the second slide or both. The method includes: a step of moving the first and second slides to a first position; a step of moving the second slide to a second position while keeping the first slide at the first position; and a step of moving the second slide to a third position while keeping the first slide at the first position.

Abstract: In a method of making a tubular body, material is pressed through a die of a forming tool into a first mold cavity disposed in downstream relationship to the die to produce a first end piece. A mandrel is then moved in a direction of the die to thereby displace the mold cavity in the same direction and to extrude a tubular center piece to adjoin the first end piece. The mandrel is then replaced by a mold having a second mold cavity to mold a second end piece to adjoin the center piece.

Abstract: For the manufacture of can bodies as they are needed for the manufacture of aerosol cans or beverage cans, a special tool 2 is provided which combines the manufacture of the cup as well as the transformation of the cup into a can body into a single tool 3. The process is based on preferably round metal sheets which are first drawn in a first draw-stretching step of the tool 2 into cups and then are draw-stretched in a second draw-stretch process, the further draw- and slide-down-stretch to form can bodies. The drawing arrangements are the same in both operating steps. The tools required therefore are simple sturdy tools providing for a simple sturdy manufacturing process.

Abstract: The invention relates to a method and system for forming a metal sheet, preferably in the form of a disc, in order to obtain an essentially cylindrical and essentially hollow end metal part having a base thickness that is essentially greater than the thickness of its walls. More specifically, the invention relates to the metalworking sector and, in particular, to the production of ammunition cases or shells.

Abstract: An actuator for a redraw sleeve that operates independently of the ram drive mechanism is provided. The actuator utilizes an eccentric journal coupled to a drive shaft of a servomotor. The servomotor is structured to provide its output shaft with a variable rotation speed so as to accommodate the need for the redraw sleeve to be in selected locations at specific times. Further, the redraw sleeve includes a collapsing redraw cylinder to allow the redraw sleeve to dwell in a forward position.

Abstract: The invention relates to an apparatus, an installation and a method for machining a workpiece made of metal, such as steel, by a machining processes such as forming, pressing, drawing, compressing and cutting. The invention includes at least two tools and a drive associated with the tools for their movement and for carrying out the machining process. The drives are arranged in such a way that when travelling on trajectories the tools have different speeds over at least a part of their trajectories.

Abstract: A method for producing a hollow engine valve is disclosed which involves gradually reducing the size of the outer diameter and inner diameter of a hollow shaft of a semi-finished product sequentially inserting the hollow shaft into a plurality of molding holes having different hole shapes so as to gradually extend the length of the hollow shaft, and forming the hollow shaft into a predetermined shape by sequentially performing a drawing process. The semi-finished product is subjected to heat treatment such that the hardness thereof is equal to or less than a predetermined hardness, and the maximum thickness between the hollow shaft and an umbrella portion connected to the bottom edge of the hollow shaft is formed to be thicker than the thickness of the hollow shaft by means of a molding hole of a die which is adjusted to have a specific length and maximum inner diameter.

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 draw press includes a carriage moveable toward a work piece and an upper die movably secured to the carriage. The upper die is movable with respect to the carriage to draw the work piece. A method for drawing a metal part is also disclosed.

Abstract: A toolpack for a can bodymaker with a vertically oriented, reciprocating, elongated ram assembly is provided. The toolpack includes a tool pack housing assembly, a number of die spacers, a number of dies, and a compression device. The tool pack housing assembly defines a passage and includes an inner surface, an upper sidewall, a lower sidewall, a first lateral sidewall, a second lateral sidewall, rear sidewall, and a door. The tool pack housing assembly passage extends generally vertically. Each die spacer structured to support a die and defining a central passage. Each die including a body defining a central passage. The die spacers and dies are disposed in said tool pack housing assembly. The compression device is disposed at said tool pack housing assembly lower sidewall and is structured to axially bias said number of die spacers.

Abstract: A can bodymaker is provided. The can bodymaker includes two rams that travel over a generally vertical path. The bodymaker includes a housing assembly and an operating mechanism structured to move a number of ram assemblies over a vertical path of travel. The operating mechanism includes a crankshaft, a motor, a link assembly, and a number of ram assemblies. The crankshaft is rotatably coupled to the housing assembly and includes a number of pairs of crankpin journals. The motor is operatively coupled to said crankshaft. The link assembly includes a number of links. Each ram assembly includes an elongated ram body, each ram body structured to move over a ram path. Links from said link assembly extend between, and movably couple, each crankshaft crankpin journal to a ram body.

Abstract: An apparatus for forming a container body from a metal blank has a ram, a blank holder, an annular die, an annular die holder, an insert and a plurality of ironing rings. The ram is centered about a longitudinal axis. The blank holder has an aperture through which the ram passes, The annular die is substantially axially aligned with the ram and adapted to allow the ram to pass therethrough. The annular die holder has a recessed portion adapted for receiving the annular die therein. The recessed portion has an annular, arcuate concave surface. The insert is located within the recess between the annular, arcuate concave surface and the annular die. The insert has a support surface for supporting the annular die thereon opposite an annular, arcuate, convex surface in operative engagement with the annular, arcuate concave surface and swivelable thereon. The plurality of ironing rings is substantially axially aligned with the ram.

Abstract: Disclosed is a press forming method press forming a workpiece between a die and a punch, while pushing the punch into the die by means of a relative motion of the die and the punch, the method includes: producing an intermediate molding (100B) having ridges (100d) formed in predetermined parts of the workpiece, and then press forming the intermediate molding (100B) into a final shape, to thereby substantially thicken and work-harden the predetermined parts of the workpiece.