Abstract: Described is a rosin press system for extracting rosin (oil) from plant material. The rosin press system includes a male plate with a male protrusion and a female plate formed to matingly receive the male protrusion. The plates can be heated such that when plant material is pressed between the plates, rosin is pressed from the plant material and allowed to drain from a drain hole positioned at the middle of the female plate.

Abstract: The invention concerns a bending tool (6) with an actuating element (19) accessible outside the tool receptacle, with coupled to it a locking element (20) with a locking catch (21) for securing the bending tool (6) in the tool receptacle. The first end portion (32) of the actuating element (19) has an actuating face (33) arranged on the end side and the second end portion (34) of the actuating element (19) has an actuating recess (35). The invention further concerns a gripping device (14) for manipulating a bending tool (6), comprising a first gripping arm (59) and a second gripping arm (60) displaceable relative to the first gripping arm (59) in the clamping direction (64), said gripping arms (59) being formed to engage in a gripping groove (23, 24) of the bending tool (6) and to clamp the bending tool (6).

Abstract: An inductive thermo-crimping apparatus is provided, which is provided for crimping a crimping body which is formed by the contact of the connecting body and the to-be-joined member. The inductive thermo-crimping apparatus includes a driving part, a stamper part, and a heating part, the driving part is connected to the stamper part, and the heating part is fixedly connected to the driving part. After the heating part is activated, the crimping body is disposed on the heating part. The heating part includes an inductive heating coil. The inductive heating coil surrounds in the heating part. The inductive heating coil is provided for heating the crimping body to soften the crimping body, in which the driving part is provided for driving the stamper part to press the soften crimping body, so that the connecting body and the to-be-joined member is crimped and to form a rigid crimping body after cooling.

Abstract: A magnetic stapler includes a base plate, a positioning plate, and a stapler. The positioning plate is located between the base plate and the stapler. A groove is provided on the positioning plate. The contour of the groove fits the bottom of the stapler. Multiple first magnets are provided at the periphery of the positioning plate. Multiple second magnets corresponding respectively to the first magnets are provided on the base plate. The polarity of the second magnets is opposite to that of the first magnets. A staple-crimping platform is provided on the base plate. A staple dispensing outlet corresponding to a staple dispensing extremity of the stapler is provided at the bottom thereof. The position of the staple-crimping platform is opposite to the position of the staple dispensing outlet. The magnetic stapler has the advantages of being compact as a whole, easy to operate, and strongly practical and is capable of stapling at any position on sheets of paper.

Abstract: A tool holder for locating and seating varieties of differing tools. The tool holder is usable with press brake tools as well as tools for other industrial machines and equipment. The tool holder includes a clamp and a supporting body. The clamp is an assembly and, via collective operation of its components, functions with the supporting body to locate and seat tools of a variety of differing styles, sizes, and geometries.

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: In a press comprising at least one tool part with certain rigidity, the rigidity of the tool part is adjustable by changing the coupling of the tool part to the plunger or the press table to control the transmission of deformations by bending.

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: In certain aspects of the invention, punching machines and tools for punching machines are provided that include mechanical devices driven by a driving device of the punching machines and are used to oscillate a tool insert. Such machines and tools can provide an increased frequency of the oscillating movement of the tool insert.

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: The invention relates to disc-shaped compensation shims for compensating for the shortening of a tool die or a tool stamp due to regrinding. The shim includes a coding indicating a thickness of the tooling shim, the tooling shim being configured for use with a tool die or tool stamp to compensate for shortening of the tool die or tool stamp resulting from regrinding. The invention also relates to tool arrangements having at least one such shim, and to machine tools having such tool arrangements.

Abstract: A method la proposed for producing a plate heat exchanger with flow channels through which a first and a second medium flow, the flow channels formed for the first medium between individual plates joined together to form a pair of plates, and for the second medium between pairs of plates joined together to form a stack of plates. For a cost-effective production of countercurrent flow plates and cross flow plates within a single manufacturing plant, the individual plates are produced from a non-pressed plate blank, wherein first a tool is converted with exchangeable mold members for producing cross flow plates or countercurrent flow plates, and subsequently, the plate blank is pressed by the converted tool into a cross flow plate or a countercurrent flow plate, thereby forming corresponding edges and/or contact surfaces as well as inflow and outflow cross-sections.

Abstract: A tool system is provided that has a stamp or punch adapter including eccentrically positioned stamp receptacles. This system permits a simple exchange of tool inserts in the stamp adapter. These tool inserts are also usable in another tool system. The system also permits combining the stamp adapter with a stamp shaft, which can also be used in another tool system. These features permit stamping (and punching) with minimal tooling and retooling efforts.

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: 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: An adjustment mechanism kit to convert an existing machine having incumbent, or existing, mechanisms to incorporate replacement or upgraded mechanisms. Depending on the application, it may be necessary to adjust the elevation of the replacement mechanisms in order to accommodate tooling attached (or to be attached) thereto. For example, in the case where the replacement tooling and support bar assembly is taller than the existing, or incumbent, tooling and support bar assembly, the replacement support bar assembly may be mounted at a lower elevation relative to the existing equipment in order to provide clearance to a framework, for instance. As such, the kits include not only the replacement mechanisms but the necessary mounts and adaptors for adjusting the elevation of the mechanisms. Various portions of the kit may be combined and packaged as separate kits.

Abstract: The present invention relates to a bending press comprising an upper table (130) and a lower table (132) placed edge-to-edge in the vertical direction, with one of the tables being movable relative to the other in the vertical direction, and with one of the tables presenting slots (134, 136) that are placed symmetrically relative to the midplane (P?P). Each slot has an open outside end and comprises a first slot portion (135a, 137a) and a second slot portion (135b, 137b) that is situated on the inside relative to the first slot portion and that is connected thereto, the shapes of said slot portions being such that the stiffness of the table portion situated between the slot and the tool fastener is greater between the first slot portion and the tool fastener than between the second slot portion and the tool fastener. At least one element (180) for adjusting the flexing of said table is disposed in the first slot portion.

Abstract: One aspect of this disclosure provides an expansion rod holder for the assembly of fin and tube heat exchangers. The expansion rod holder includes a first plate having a first aperture therethrough and a ring located in the first aperture and that has a second aperture therethrough. The first and second apertures are configured to receive a tapered end of an expansion rod having an annular groove proximate the tapered end. A biasing member is located in the first aperture between the ring and a wall of the first aperture. The biasing member is configured to bias the ring in a first direction toward an opposite wall of the first aperture and into the annular groove. A method of manufacturing the expansion rod holder is also disclosed, as well as a tube expander system used to manufacture heat exchangers.

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 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: The present invention relates to a bending press or “press brake” for bending metal sheets, wherein the press includes at least one linking rod, which rod is oriented substantially perpendicularly to the movement direction, having one end that is fastened to the deformable portion of the second table and having its other end fastened to the housing.

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 press die holder holds an upper die with its receiving structure above the die body. This configuration allows the die to be removed from the holder in the configuration in which it will be loaded into the press. The operator does not have to flip the die over before loading the die into the press. The holder may be configured to hold a lower die with its receiving structure disposed below the die body. This also prevents the lower die from being flipped over when it is removed from the holder and loaded into the press. One configuration of the invention provides a holder having a pair of fingers that engage the pair of continuous grooves defined by the receiving structure of the die so that the die hangs from the fingers.

Abstract: The invention relates to disc-shaped compensation shims for compensating for the shortening of a tool die or a tool stamp due to regrinding. The shim includes a coding indicating a thickness of the tooling shim, the tooling shim being configured for use with a tool die or tool stamp to compensate for shortening of the tool die or tool stamp resulting from regrinding. The invention also relates to tool arrangements having at least one such shim, and to machine tools having such tool arrangements.

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: The invention relates to an exchangeable tool for holding in a receiving structure, the tool comprising: a safety device for preventing the tool from accidentally falling out of the receiving structure, which safety device has a tool releasing position and a tool locking position; energizable actuating means for actuating the safety device; and energizing means for energizing the actuating means, and to a method for exchanging such tool from a receiving structure.

Abstract: A press brake tool assembly mounting device 42 comprising a body 66 which mounts a lower press brake tool 46, with a recess in the body 66 receiving in a moving fit a location member 52 mounted to a lower beam 44. A locking arrangement 80 is provided for locking the body 66 relative to the location member 52 in a friction fit, to retain the lower press brake tool 46 in a required position.

Abstract: A guided keeper assembly and method for metal forming dies includes a base having a mounting face, at least one marginal fastener aperture to detachably mount the base to an associated die shoe, and a central guide aperture. A guide pin with a cylindrically shaped body portion is closely received in the central aperture of the base. A first end of the guide pin has an enlarged head to positively limit travel between the die shoe and die pad, and an opposite second end with a generally flat terminal shoulder configured for close reception in a blind hole in the die pad. The shoulder has a fastener aperture extending perpendicularly therethrough at a location spaced radially offset from the central axis of the guide pin.

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: 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: The invention relates to a folding device (1) for a bending press, in particular an edging press for a 180°-folding brace on a workpiece (2) with a forming die (3) comprising a V-groove and a forming stamp (4) adjustable thereto and comprising a wedge extension (26) and with a folding die (5) arranged adjacent to the forming die (3) and forming a support surface (33) in a plane (23) extending perpendicular to an adjustment direction of the forming stamp (4). A tool mount (7) with the forming die (3) and the folding die (5) is arranged adjustably on an upper side (18) of a table beam (9), in a direction perpendicular to a bending plane (22), forming a gap (27) for mounting the wedge extension (26) for the folding procedure.

Abstract: A split ring alignment ring for holding a punch has a split ring by which the alignment ring can be tightened onto the punch shaft. The alignment ring has a pair of radially aligned cut outs, on its inner circumference and are on its out circumference. A pin on the tool shaft engages the inner cut out to fix the tool against rotational movement relative to the ring. A second pin projects axially from the top of a punch point of the tool to engage the outer cut out, also to prevent rotational movement relative to the ring.

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 jaw assembly including a first jaw, a second jaw, and a pivot pin. The first jaw has two spaced first ears having pivot pin holes through the first ears. The second jaw has two spaced second ears having a pivot pin holes through the second ears. The pivot pin is located in the pivot pin holes to pivotably mount the first and second jaws to each other. The pivot sections include a guide surface configured to guide alignment of the ears relative to each other to thereby align the pivot pin holes with each other. The jaws each include a rear end with a roller contact surface configured to be moved apart by rollers of a roller assembly of a tool. The rear ends each include a concave surface configured to locate one of the rollers therein.

Abstract: The invention involves a die holder for a press, such as a metal-fabricating press. The die holder can be configured to receive a die, and can include a clamp portion and a wall portion. 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 unclamped configuration to a clamped configuration. The die holder may have a die-release mechanism useful for overcoming stiction and facilitating removal of the die from the die holder.

Abstract: The invention is a multi-mode hammering machine that operates in a rigid mode, a flexible power hammer mode and a machine press mode to contour, shape and form sheet metal products. In all three modes, a ram is linearly stroked toward and away from a fixed die by a common ram drive assembly that includes a lever drive assembly and a reciprocating lever. The lever drive assembly moves in a rigid non-flexing manner. The reciprocating lever includes a rigid mode and a flexible mode. A conversion pin is used to engage one and simultaneously disengage the other. The lever drive assembly includes a control link that interfaces with a stroke adjustment mechanism. The gap adjustment mechanism is located at the fulcrum of the reciprocating lever. Both stroke length and gap are adjusted independently during the operation while the ram is cycling.

Abstract: A crimping apparatus includes a support structure with an alignment element and a plurality of retainers movably attached to the support structure and radially arranged about an axis of the crimping apparatus. Each retainer includes an engagement structure. The crimping apparatus further includes a plurality of crimping members with an engagement element. Each engagement element is configured to interact with the engagement structure of a respective one of the plurality of retainers to removably connect each of the crimping members to a respective one of the plurality of retainers. The crimping apparatus further includes a tool configured to simultaneously support the plurality of crimping members. The tool includes an alignment structure configured to interact with the alignment element of the support structure to provide substantial radial alignment between the engagement element of each of the crimping members and the corresponding engagement structure of the respective retainers.

Abstract: An element (10) for use in a tooling system which comprises a plurality of elements arranged in an array, the elements of the array being movable between a closed position in which the elements contact one another and are secured in position, and an open position in which the elements of the array are spaced apart and are capable of vertical movement relative to one another is characterized in that the element comprises tagging means (8) providing the element with a unique identifier. The tagging means preferably comprises a radio frequency identification (RFID) tag.

Abstract: A press brake die holder for holding a press brake die having an upper, work-contacting portion and a lower, elongated tang. The die holder has an elongated body with a channel bounded by confronting walls, the channel being configured to receive the tang of the press brake die.

Abstract: Disclosed herein is a crimp die holder. The crimp die holder includes a main body portion, a pin, and a spring. The main body portion includes a first recess, a second recess, and an opening. The first recess extends from a first side of the main body portion to a middle section of the main body portion. The second recess extends from a second side of the main body portion to the middle section. The opening extends from a third side of the main body portion and through a section of the second recess. The pin is disposed within the opening. The pin includes a first portion along a length of the pin. The first portion of the pin is configured to engage with a portion of a crimp die at the section of the second recess. The spring is between the main body portion and the pin.

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: 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: Press brake tool holders suitable for holding press brake tools for punching and/or otherwise deforming workpieces, such as sheet metal. Provided in some embodiments is a press brake tool holder. Some embodiments provide the tool holder in combination with a press brake tool. Methods of using press brake tool holders are also provided. In certain embodiments, the tool holder has a tool-seating mechanism adapted for moving a tool parallel to a pressing axis of the tool holder.

Abstract: The invention provides a press brake tool having a retractable safety key. In some embodiments, the tool includes a lock that can positively lock the safety key in an extended position. Different lock assemblies of this nature are provided. Also provided is a combination including a press brake tool and a tool holder. In some embodiments, the invention provides a press brake tool having a retractable safety key with an engagement portion having a tapered leading region (adapted to facilitate mounting the tool in a recess of a tool holder) and a tapered trailing region (adapted to facilitate dismounting the tool from the recess of the tool holder). Methods of use are also provided.

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: The system includes a moving feed assembly through which a collar is moved by compressed air to a position in substantial alignment with the centerline of a swaging die assembly. Two spring-loaded fingers are mounted on opposing sides of the feed assembly for receiving the collar by compressed air action where it is maintained in substantial alignment with the swaging die assembly. The spring action of the fingers is strong enough that the collar can be pressed firmly against a curved receiving portion of the fingers by the compressed air. A die pin portion of the swaging die is then inserted into the collar, thereafter maintaining the position of the collar as the feed assembly with the opposing fingers are stripped away from the collar, leaving the die pin-engaged collar free to be moved by action of a ram assembly to a stackup of parts to be fastened, where the collar can be transferred onto a bolt which extends through the stackup.

Abstract: Press brake tool holders suitable for holding press brake tools for punching and/or otherwise deforming workpieces, such as sheet metal. Provided in some embodiments is a press brake tool holder. Some embodiments provide the tool holder in combination with a press brake tool. Methods of using press brake tool holders are also provided. In certain embodiments, the tool holder has a tool-seating mechanism adapted for moving a tool parallel to a pressing axis of the tool holder.