Abstract: A single action draw press and a draw die set for the single action draw are disclosed. The single action draw press and die include a bolster and a stationary punch. A cushion is assembled to the bolster to support a binder ring that is adapted to be engaged by a die attached to a press ram. The die is reciprocated by the press ram relative to the bolster while a mechanical lock engages the die and the binder ring. The die contacts the binder ring and a mechanical lock secures the die and binder ring together while the die draws a panel over the stationary punch.

Abstract: An upper tool holder for holding an upper tool of a press brake exchangeably, includes a holder main body; an attachment portion provided on an upper portion of the holder main body; a support portion provided on a lower portion of the holder main body; a clamp provided swingably at a vertically intermediate position of the holder main body; an actuator that includes a pushing member for pushing the upper portion of the clamp to fix the upper tool with the support portion; and an open restriction member that has an open restriction portion for restricting the clamp. The open restriction member is provided at a position distanced from a pushed position of the upper portion of the clamp by the pushing member. According to the upper tool holder, the upper tool can be held firmly by the clamp.

Abstract: Disclosed is a clamping device for clamping a tool, which includes a part receiving the tool, an actuated member and an engaging member to be brought into contact with the tool. The clamping device is further provided with a transmission placed between the actuated member and the engaging member. The actuated member can be pneumatically or electrically driven, and includes for instance a pneumatic jack, an electric motor or a piezoelectric element or an electromagnet. The actuated member can also be hydraulically driven. The transmission can include a wedge-shaped member or a lever. The clamping device can be self-braking.

Abstract: Press tool assemblies involve separable holder and tip portions. Self-seating structure is incorporated in these assemblies, and can stem from one or both of the separable portions of the assemblies. In use, the self-seating structure facilitates proper positioning and seating of the separable portions in relation to each other, and in some cases, can be used in operatively coupling the portions together. Advantages relating to assembly and disassembly of the tool assemblies, as well as improved structural properties result as a consequence of using the self-seating structure.

Abstract: A gas spring mount and related method for metal forming dies includes a one-piece, split clamping ring having a generally ovate plan shape with two spaced apart axes of symmetry. A generally circular clamping portion extends around the first axis, and is shaped to receive a gas spring body therein. A hook-shaped end extends around the second axis, and is shaped to receive a tapered head mounting member therein. A resilient free end is located operably between the clamping portion and the hook-shaped end portion, whereby tightening of the mounting member shifts the hook-shaped end outwardly and the free end inwardly to constrictingly pull the clamping ring securely against the gas spring body, and contemporaneously attach the assembly to an associated die member.

Abstract: A gas spring mount and related method for metal forming dies includes a one-piece, generally U-shaped clamping band with an arcuate medial portion shaped to receive an associated gas spring body therein, and two enlarged ends with through apertures. Threaded mounting screws extend through the through apertures in the clamping band ends, and are anchored into threaded retainer holes in an associated die member. At least one of the mounting screws has a tapered head and is disposed laterally offset from the associated threaded retainer hole in the die, whereby tightening of the one screw shifts the related enlarged end of the mounting band laterally toward the opposite enlarged end to pull the clamping band constrictingly against the gas spring body to securely, yet detachably retain the same therein.

Abstract: An applicator ram includes a ram body configured to hold crimp tooling, and a ram adaptor coupled to the ram body. The ram adaptor is configured to be coupled to a terminator ram. The ram adaptor includes an adaptor hub having a hub chamber configured to receive a ram post of the terminator ram. A latch mechanism is movably received in the hub chamber. The latch mechanism is movable between a latched position and an unlatched position. The latch mechanism is configured to engage the ram post in the latched position. The latch mechanism allows the ram post to be released from the hub chamber in the unlatched position. An adaptor stud extends from the adaptor hub and is configured to be coupled to the applicator ram.

Abstract: A die clamp mechanism includes: a plunger that protrudes from a lower side of a carrier when the carrier on which a bolster is mounted is separated from a bed of a press machine and plunges into the lower side of the carrier when the carrier is grounded on the bed; a biasing member that biases the plunger downward; and an engaging member that engages a die with the bolster in accordance with an axial movement of the plunger when the plunger plunges into the lower side of the carrier.

Abstract: Press brake tool holders suitable for releasing and securing press brake tools. Provided in certain embodiments are a press brake tool holder and a press brake tool, in combination. Methods of using press brake tool holders are also provided. In some embodiments, the tool holder has a mechanism for tool seating, such as a mechanism adapted for moving a tool generally parallel to a pressing axis of the tool holder.

Abstract: The invention involves a die holder (70) for a press, such as a metal-fabricating press (10). The die holder can be configured to receive a die (90), and can include a clamp portion (130) and a wall portion (140). Preferably, the clamp and wall portions can be positioned in an open configuration or a closed configuration, and the die holder can be adjusted from an undamped configuration to a clamped configuration. The die holder m have a die-release mechanism useful for overcoming stiction and facilitation removal of the die from the die holder.

Abstract: The rapid coupling and uncoupling device consists essentially of a plunger element (12) capable of being inserted into the clamp (4) or into the top beam/intermediary (1) of the same press brake, or into the tool connection (2), having a cursor (14) with a terminal part of a tapered form pressed by a spring to engage within a groove (16) present in the tool connection or in the clamp or in the top beam/intermediary, respectively.

Abstract: A hold-down device is provided for securing graphic arts die plates or die to flat bed or rotary chases having a series of generally cylindrical, hold-down device-receiving cavities. The chase cavities have an innermost portion of greater diameter than the outermost portion of the cavity, presenting a downwardly-facing shoulder therebetween. The device, which is adapted to be inserted in one of the cavities, has a pair of opposed, generally semi-circular anchor members. A fulcrum component positioned between the anchor members has a generally circular fulcrum section received in respective, opposed internal grooves in the anchor members. A lock ring that interconnects the ends of the members remote from the fulcrum section, biases those ends toward one another. When the device is installed in a cavity, the ends of the anchor members are forced toward one another to an extent that the device will fit within the outermost portion of the cavity.

Abstract: A system for quickly clamping asymmetric bending tools with either a rear or front orientation using front side and rear side clamping bars on opposite sides of a support body. The clamping system includes front and rear side intermediate bars that are unbalanced as to a clamping screw that passes there so as to hang down adjacent to opposed front and rear sides of the support body. Thus, the intermediate bars on the front side of the support body or the intermediate bars on the rear side of the support body can be independently engaged and swung up by a tool surface on that same side of the support body when the tool is inserted into the clamping system on that same side. The unbalanced intermediate bars that are not engaged by an inserted support surface of the tool remain in the unbalanced state on the opposite side.

Abstract: A machine arrangement includes a plurality of machines arranged to cooperate with each other in a manner which comprises a machine line. This machine line incorporates apparatus which is associated with and/or comprises part of the machines for: at least one of moving, holding, manipulating and shaping cans as they pass from a can infeed to a can discharge of the machine line and move along a path having a predetermined configuration. This apparatus minimizes operations necessary for changing from a set up suitable for modifying a can having a first set of dimensions to a set up suitable for a can having a second set of dimensions.

Abstract: A machine arrangement includes a plurality of machines arranged to cooperate with each other in a manner which comprises a machine line. This machine line incorporates apparatus which is associated with and/or comprises part of the machines for: at least one of moving, holding, manipulating and shaping cans as they pass from a can infeed to a can discharge of the machine line and move along a path having a predetermined configuration. This apparatus minimizes operations necessary for changing from a set up suitable for modifying a can having a first set of dimensions to a set up suitable for a can having a second set of dimensions.

Abstract: A machine arrangement includes a plurality of machines arranged to cooperate with each other in a manner which comprises a machine line. This machine line incorporates apparatus which is associated with and/or comprises part of the machines for: at least one of moving, holding, manipulating and shaping cans as they pass from a can infeed to a can discharge of the machine line and move along a path having a predetermined configuration. This apparatus minimizes operations necessary for changing from a set up suitable for modifying a can having a first set of dimensions to a set up suitable for a can having a second set of dimensions.

Abstract: The invention relates to a bending press comprising a bottom panel, a moving top panel, N bending-tool clamps, each clamp being mounted to pivot about a common axis, and means for causing the clamps to pivot. The means for causing the clamps to pivot comprise: a plurality of actuators each suitable for taking up two states; a plurality of transmission means for transmitting the state of each actuator assembly to a plurality of adjacent clamps, in such a manner each clamp is associated with a single actuator; and means for separately controlling the state of each actuator between a first state which brings the clamps associated with the actuator into a position for clamping the bending tool, and a second state which brings the clamps associated with the actuator into a position for removing said bending tools.

Abstract: A digitally controlled machine for bending, forming, folding or coiling a bar conventionally includes a frame, and a rotary bending tool for producing bends in different planes. A bar is moved along an axis and is brought through a bending snout associated with the frame, and then through a bending tool which is movable relative to the axis by a motor-driven turner. The bending tool is received by a standard conical tool support, and the turner is combined with means for automatically clamping and unclamping the jaws of a gripper associated with the turner. The jaws of the gripper are automatically unclamped when the turner reaches the end of its axial stroke, away from the bending station, and are automatically clamped when the turner begins its axial movement in the opposite direction, toward the bending station.

Abstract: An improved lower die assembly is provided which allows a given lower die in a pressing machine to be replaced with another easily and in a short period of time relative to a die holder. In the lower die assembly in which a lower die is received and securely held in a die holder, the improvement comprises: a clamp means whereby the lower die when unclamped is received in the die holder so that the lower die can be extracted from the die holder upwards and then when clamped is securely held therein; and a lift means disposed below the lower die and whereby the lower die when unclamped is raised above an upper end of the die holder.

Abstract: A knurling tool is provided having a tool head which carries at least one knurling wheel and which is mounted adjustably on a shaft, wherein the tool head is mounted on the shaft linearly displaceably transversely with respect to the axis of the shaft, characterized in that there is provided a fixing device for securing the relative position of the tool head and the shaft, the fixing device being arranged between the tool head and the shaft.

Abstract: A press brake tool that is adapted to be mounted in a tool holder. The tool has a lockable safety key that is moveable between an extended position and a retracted position. The press brake tool has a lock that is operatively coupled to the safety key and is movable between a locked position wherein the safety key is locked in the extended position and an unlocked position wherein the safety key is permitted to move between the extended position and the retracted position. Also provided is a press brake tool having a particularly advantageous, longitudinally-elongated safety key.

Abstract: A bending press system provided with a bending press (1) with at least one bending station to mount a plurality of divided tools and, tool housing devices (65, 123) to house divided metals to be used on the bending press and, tool exchange devices (61, 143) which mount said divided tools on the bending station, in which are provided a first memory means (403) which stores housed positions of each divided tool housed in the housing devices and a second memory means (405) which stores the bending line length of the bent part, the flange length and the bending angle of the bent product and, a first computation means (407) which, based on the bending line length, flange length, bending angle, computes the tool (cross section shape) type and the length of the bending station, and a second computation means (409) which, based on the tool type and length of the bending station computes the arrangement of each divided tool on the bending station, and an NC control means (411) which controls the tool exchange device s

Abstract: A tool-clamping device for a forming tool, in particular a bending punch or bending die, on a compression beam, in particular an edging press, comprising a tool adapter attached to the compression beam and designed to releasably hold the forming tool. At least one resiliently elastic return means is provided between a receiving region of the tool adapter and a connecting region of the tool adapter or between the beam and the tool adapter to counteract a relative displacement between the tool adapter and forming tool and the compression beam in the longitudinal direction of the beam.

Abstract: In a multistage forming machine, an apron is screwed to a press slide. At its upper end, the apron has six elongated clamping cams, distributed over its width, while four upwardly projecting clamping lugs are fitted at is lower end. Suspended in the apron is a combined tool block with a wedge-shaped supporting plate. Four clamping lugs, distributed over the width, are formed at the upper end of the supporting plate, while four clamping cams are formed at the lower end. The clamping lugs of the combined tool block are suspended by means of the clamping cams of the apron, while the clamping cams of the combined tool block are inserted between the clamping lugs and the main part of the apron. By means of two clamping devices, a clamping force acting in the vertical direction of the combined tool block is produced, bringing about a clamping of the combine tool block and the press slide in the horizontal direction.

Abstract: A tool-clamping device for a forming tool, in particular a bending punch or bending die, on a compression beam, in particular an edging press, comprising a tool adapter attached to the compression beam and designed to releasably hold the forming tool. At least one resiliently elastic return means is provided between a receiving region of the tool adapter and a connecting region of the tool adapter or between the beam and the tool adapter to counteract a relative displacement between the tool adapter and forming tool and the compression beam in the longitudinal direction of the beam.

Abstract: A roll-hardening machine for crankshafts with hard-rolling tools (2) which each have a hard-rolling roller head (1) and a counter-support roller that are each detachably attached to the ends (17) of appropriate scissors arms (3) by means of two clamping blocks (15) wherein respectively a first of the two clamping blocks (15) is positioned on the front surface (16) of the end (17) of the scissor arm (3) and the second clamping block is located at a right angle to the first (15) on the side surface (16) of this same scissor arm (3) on the tool side, characterized in that the first clamping block (15) is supported on the front surface (16) at the end (17) of the respective scissors arm (3) such that it can slide in the direction of the appropriate hard-rolling tool (1), the hard-rolling roller head (1) is supported moveably at the location of the second clamping block on the scissors arm (3), by having guide grooves on its front surfaces facing the scissors arm (3), wherein prismatic blocks of the scissors arm (

Abstract: A tool holder apparatus for a press brake is provided. The apparatus comprises a support plate having a first receiving surface. A pivotable clamp has an engagement portion that is moveable toward the first receiving surface of the support plate by pivoting the clamp. The engagement portion has therein formed a bore in which a lifting shaft is rotatably received. The engagement portion defines an opening communicating with the bore. The shaft has therein formed a notch that is adapted to be engaged through the opening by an exterior corner of a forming tool.

Abstract: The invention relates to a device for clamping at least two tool parts movable relative to each other for processing carriers for electronic components in a press. The invention also relates to a press adapted for co-action with the clamping device. The invention also describes a tool part and a tool assembled from tool parts and adapted for co-action with the clamping device. Finally, the invention also relates to a method for mounting a tool in a press.

Abstract: An upper tool holder apparatus in a press brake includes: a holder main body having an upper tool supporting section for supporting an upper tool a lower portion of the holder main body and further having a mounting; an upper tool clamp supported to the holder main body having an engagement projection at the bottom end of the upper tool clamp which is engaged with a drop-prevention groove provided in the upper tool; a pressing section provided on a lower portion of the upper tool clamp; clamping force applying means for applying a clamping force which clamps the upper tool by pressing an upper portion of the upper tool clamp; clamp operating means for transmitting the clamping force from the clamping force applying means to the upper tool clamp and for releasing the clamping force; and a wedge piece, which is engaged with the drop-prevention groove provided in the upper tool, provided on an upper portion of the engagement projection provided on the lower portion of the upper tool clamp, a force being applied