Abstract: A method of adjusting punch body assembly, that has a punch body coupled to a driver, by moving the driver with respect to the punch body until a select axial position is reached along the longitudinal axis of the punch body and locking the driver at the select axial position.

Abstract: The present invention provides a method for shear processing whereby a sheared surface having a small residual stress and excellent surface properties is formed and the service life of a punch is prolonged in a shear processing for shearing, by a shear line that crosses a weld zone, a workpiece with a large thickness of level difference of a weld zone and/or obtained by welding together a steel sheet having a strength of 1000 MPa or more and another steel sheet. The shearing for shear processing method according to the present invention is a method for shearing a workpiece having a weld zone using a punch and a die, the method characterized in that two protrusions are provided to a cutting edge of the punch, all or part of the weld zone of the workpiece is flanked from the two sides by the two protrusions, and the workpiece is sheared by a shear line that crosses the weld zone.

Abstract: A punch system or assembly includes a punch body and a punch tip or insert with a working end and a stem configured for selective engagement and disengagement within a cavity in the punch body. A latch mechanism which can be operated without tools is configured to engage the punch tip stem within the axial cavity in a closed position, and to disengage the punch tip from the punch body in an open position.

Abstract: Methods of strengthening surface regions of high-strength transformation induced plasticity (TRIP) steel are provided. The method may comprise shot peening at least one region of an exposed surface of a hot-formed press-hardened component comprising a high-strength steel. Prior to shot peening, the component has a microstructure comprising ? about 5% by volume retained austenite in a matrix of martensite. The shot peening is conducted at a temperature of ? about 150° C. and forms at least one hardened surface region comprising ? about 2% by volume austenite. The TRIP steel may be zinc-coated and having a surface coating comprising zinc and substantially free of liquid metal embrittlement (LME). Zinc-coated hot-formed press-hardened components, including automotive components, formed from such methods are also provided.

Abstract: A punch assembly for a turret-type punch press includes an outer guide sleeve having an inner bore in which a punch shank fits for reciprocating but not rotating movement. The punch shank has a concentric, downward opening formed in a lower end in which is received a head portion of an insert that has a punch point formed on it. Built into the shank is a latching mechanism for releasably wedging and thereby securing the insert to the lower end of the shank.

Abstract: A rigid punch tool for cutting vents into plastic thermoformed containers. More specifically, a rigid punch tool comprising a holder with a plurality of slots; and a plurality of punches, each punch comprising a blade, a base, and attachment points, wherein, for each punch, the base of the punch fits into one of the plurality of slots in the holder, the base of the punch is wider than the blade of the punch, and bolts or pins fit in the attachment points to secure each punch to the holder.

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 die for fabricating a carrier tape such that the carrier tape is provided with a plurality of housing holes for housing electronic components therein in a state where the housing holes are arranged in a longitudinal direction and penetrates the carrier tape in a thickness direction. The die is less prone to be damaged and is less prone to induce breakages in the interval portions between the housing holes in the carrier tape. A male die includes housing-hole formation convex portions which are constituted by a plurality of first housing-hole formation convex portions having respective tip ends at a relatively-higher heightwise position, and a plurality of second housing-hole formation convex portions having respective tip ends at a relatively-lower heightwise position.

Abstract: Tools with a thermo-mechanically modified working region and methods of forming such tools. The tool includes a working region containing steel altered by a thermo-mechanical process to contain modified carbide and/or alloy bands. In use, a surface of the working region contacts a workpiece when the tool is used to perform a metal-forming operation.

Abstract: Methods of thermo-mechanically processing a preform composed of tool steel and tools to modify a workpiece. The preform has a region containing austenite. The method comprises establishing the region at a process temperature between a martensitic start temperature and a stable austenitic temperature. While at the process temperature, the region is deformed to change an outer dimension and to modify the microstructure to a depth of 1 millimeter or more. The tool comprises a member composed of tool steel. The member includes a first region that extends from the outer surface to a depth of greater than 1 millimeter and a second region. The first region includes a plurality of grains having an average misorientation angle greater than about 34°, an average grain size that is at least 10% smaller than the second region, and has a different grain orientation than the second region.

Abstract: A punch assembly for a turret punch press having a two piece reciprocally movable punch member that has a punch point insert removably attached to a punch driver that allows replacement of the punch point insert without the need to extract the punch member from its punch guide. A locking assembly having four vertical guideways containing slider strips for coupling the punch point insert to the punch driver ensures precision registration of the punch point insert with its driver.

Abstract: A double-bolt unit is provided, including a first bolt, a second bolt, and a slip disk haying substantially a disk shape, the slip disk placed on top of the first bolt and below the second bolt and concentrically with the first bolt and the second bolt around a cylindrical axis. The slip disk is configured to contact a portion of the first bolt and a portion of the second bolt, wherein a first radius from the cylindrical axis to the portion of the first bolt in contact with the slip disk is larger than a second radius from the cylindrical axis to the portion of the second bolt in contact with the slip disk. A punching tool including, the double-bolt unit is provided, wherein the slip disk prevents lowering of the first bolt below a predetermined position, thereby preventing a portion of a punch holder layer from bulging to bold the punch too tightly.

Abstract: A punch including a shearing edge formed on an outer periphery of the punch, a cutting edge formed on the distal end of the punch and at least two ramp surfaces provided between the shearing and cutting edges. Each of the ramp surfaces extend at an angle from the distal end to a recessed portion of the shearing edge. The shearing edge, cutting edge and ramp surfaces cooperate to partially form a hole in a part and retain a slug in the hole. A method of forming a hole and a slug control system for a hydro-piercing operation is disclosed.

Abstract: A punching apparatus for a sheet media comprises a base and a handle actuator. The base comprises a first impression head that defines a first image-forming pattern and a second impression head that defines a second image-forming pattern. The base further comprises a first impression head protrusion having a first height and a second impression head protrusion having a second height. The handle actuator hingedly couples to the base. The handle actuator moves between a first position, a second position, and a third position. A limiting member contacts the first impression head protrusion when the handle actuator is moved to the second position, and the first impression head moves to a sheet media forming position. The limiting member contacts the second impression head protrusion when the handle moves to the third handle position, and the first and the second impression heads move to the sheet media forming position.

Abstract: A punch assembly includes a punch, a sleeve, a draw stud and a die. The sleeve adds rigidity to the draw stud, thereby reducing elastic deflection of the draw stud, reducing bending moment on the draw stud, reducing punching force, and extending the punch, draw stud and die fatigue life. The sleeve also aids in axial alignment of the punch, die and workpiece with a pilot hole drilled through a workpiece.

Abstract: A punch tip (16) design configured to be universal in its application with wide varieties of punch assemblies, and various punch body (14) designs from which universal application of the punch tip (16) is exemplified. Ancillary components (34, 16, 50) used with the various punch body (14) designs enhance ease by which the operator can selectively manipulate the same for alternately securing or releasing the punch tip (16).

Abstract: A punching machine contains a base, a bottom cover, a pressing seat, a slot, and a stopping recess. The punching machine also contains a holder, and a limiting groove has a press device mounted therein and fixed in an imitation notch of the holder, the press device has a first positioning piece, at least one spacing block, a second positioning piece, and a third positioning piece. The holder has at least one opening, the first positioning piece has at least one first pore, the second positioning piece has at least one second pore, and the third positioning piece has at least one third pore. A respective one of at least one column has a shape-varying cross section so as to matching with a shape of each second pore and each third pore. Also, the forcing controller further has a locating element.

Abstract: An elastic averaging alignment system includes a first component comprising a surface, a thickness and a plurality of elastically deformable apertures spaced apart on the surface and extending through the thickness, each of the elastically deformable apertures comprising an aperture peripheral shape and having at least one slit extending radially-outwardly therefrom defining at least one elastically deformable wedge member. A method of making a component alignment system includes providing a first component having a surface and a thickness. The method also includes forming a plurality of alignment features through the thickness of the first component, the alignment features comprising a plurality of elastically deformable apertures spaced-apart on the surface and extending through the thickness, each of the elastically deformable apertures comprising an aperture peripheral shape and having at least one slit extending radially-outwardly therefrom defining at least one elastically deformable wedge member.

Abstract: Provided is a punch tool which enables improvement in accuracy of processing a work by suppressing rattling between a punch body and a punch guide and eliminating almost all steps in a punched surface (cut surface) of the work. A punch tool includes a cylindrical punch guide; a punch body movably provided in the vertical directions in the punch guide; a punch head provided at an upper end of the punch body; a stripper spring provided on a lower side of the punch head; and a plurality of rotation control modules including key grooves and formed so as to vertically extend in the punch guide or the punch body and keys and which are provided in the punch body or the punch guide and are movably fitted in the vertical directions to the key grooves.

Abstract: A punch tip design configured to be universal in its application with wide varieties of punch assemblies, and various punch body designs from which universal application of the punch tip is exemplified. In some cases, ancillary components used with the various punch body designs enhance ease by which the operator can selectively manipulate the same for alternately securing or releasing the punch tip. The ancillary components comprising a cam, a carrier body, and a plurality of wedge members, the cam coupling the punch body and the carrier body, the cam adjustable with respect to the punch body and the carrier body, adjustment of the cam resulting in corresponding movement of the carrier body.

Abstract: A punch tip design configured to be universal in its application with wide varieties of punch assemblies, and various punch body designs from which universal application of the punch tip is exemplified. In some cases, ancillary components used with the various punch body designs enhance ease by which the operator can selectively manipulate the same for alternately securing or releasing the punch tip. The ancillary components comprising a cam, a carrier body, and a plurality of wedge members, the cam coupling the punch body and the carrier body, the cam adjustable with respect to the punch body and the carrier body, adjustment of the cam resulting in corresponding movement of the carrier body.

Abstract: A punch having a head with a stem that is received in a cavity of a holder. The stem has a groove that extends around the stem and the cavity has a groove that extends around the wall of the cavity. A ball bearing ring is received within the groove of the cavity and the groove of the stem to rotatably connect the head to the holder.

Abstract: A catheter assembly includes a catheter hub defining an interior cavity and a catheter tube extending distally thereof. A rigid actuator extends proximally in the interior cavity and supports a seal member thereon. The seal member includes a central membrane, a distal portion, and a proximal portion. An hourglass shaped actuator cavity is formed in the distal portion and receives a barbed end of the actuator. The outer surface of the seal member is in partial circumferential engagement with the catheter hub to define an air path that allows fluid communication between areas of the interior cavity distal and proximal of the seal member. A punch tool is provided to form a tri-slit in the membrane of the seal member.

Abstract: A punching device includes: a base including a die part that has a top wall; an abutting member connected to the base; a punch supported on the base, movable relative to the die part and the abutting member between upper and lower positions; and an ejecting unit supported on the base and including a non-compressible ejecting element disposed above and adjacent to the top wall of the die part. The punch is movable relative to the ejecting unit at least during movement of the punch from a middle position to the lower position. The ejecting unit abuts against the abutting member at least when the punch is disposed at the upper position.

Abstract: A punching tool has a safety device prevents a punching die from being undesirably released from a guide housing when the punching tool is gripped at the head. The safety device has a base guide body securely mounted relative to the punching die at least with respect to a gripping force direction acting on the punching die and a counter guide body securely mounted relative to the housing at least with respect to the gripping force direction. The guide bodies are designed to ensure a secure interaction in at least one retaining relative circumferential position while allowing release of the punching die from the guide housing in the gripping force direction in a release relative circumferential position displaced relative to the retaining relative circumferential position in the circumferential direction about the longitudinal axis. As a result, an unwanted release of the punching die from the guide housing is securely prevented.

Abstract: A punch for use in molding a workpiece with lubricating oil interposed between the punch and the workpiece includes a straight portion and a diameter-increasing portion. The straight portion includes an end face and a side face. The straight portion extends in an axial direction. The end surface extends in a radial direction perpendicular to the axial direction. The side surface is connected to the end surface. The diameter-increasing portion is connected to the straight portion. The diameter-increasing portion includes a width in the radial direction, which is identical to that of the straight portion, at a junction between the straight portion and the diameter-increasing portion. The width of the diameter-increasing portion in the radial direction increases with distance from the straight portion. At least one of the end surface and the side surface of the straight portion is formed with a pit.

Abstract: A punch tip design configured to be universal in its application with wide varieties of punch assemblies, and various punch body designs from which universal application of the punch tip is exemplified. In some cases, ancillary components used with the various punch body designs enhance ease by which the operator can selectively manipulate the same for alternately securing or releasing the punch tip.

Abstract: A studio tool for working stock includes an upper housing, a lower housing, a viewfinder, a viewfinder cover, an alignment tool, and a pressure column. The upper housing and the lower housing are slidably connected so as to at least partially contain the alignment tool and pressure column. A main spring and lower springs may be used to bias the column blade.

Abstract: A device for separating textile parts such as cotton pads out of a textile sheet formation. The device includes at least one first tool component with a receiver opening for receiving separated-away textile parts, at least one second tool component cooperating with the first tool component and having a separating tool, for separating away textile parts out of the textile sheet formation. The first and the second tool components are designed movable to one another and relative to one another for separating away textile parts. The first tool component is designed as a die with a first cutting edge encompassing the die opening in a closed manner and the second tool component is designed as a working punch with a second cutting edge.

Abstract: A punch tool assembly includes an adjustment subassembly coupled to a canister sidewall of the assembly. The adjustment subassembly includes a punch head, which engages a punch holder, or body, of the punch tool, at a threaded interface, so that rotation of the punch head moves the punch body/holder along a central longitudinal axis of the punch tool assembly. The adjustment subassembly further includes a locking member, which is biased with respect to the punch head, in a first position, where the locking member is engaged with a locking feature of an engagement sidewall of the subassembly, to lock the punch head and prevent rotation thereof. The locking member may be released, to unlock the punch head, by applying a force to an externally accessible actuation interface of a release member of the subassembly, for example, to rotate the actuation interface about the central longitudinal axis.

Abstract: An object of the present invention is to provide a punching method using a punch, which makes it possible to effectively improve the durability of a tooth portion of the punch. In a punching method using a punch for forming a through-hole in a workpiece by punching the workpiece using a punch, at least a tooth portion of the punch is made substantially solid when the workpiece is punched by the punch, and the tooth portion is made substantially hollow, thereby a diameter of the tooth portion is reduced by a reaction force received from the workpiece, when the workpiece is separated from the punch after the punching of the workpiece.

Abstract: A nibbler assembly includes a punch and a die. The die includes a through opening formed therein, which opening has an oblong configuration as viewed along a vertical direction. The die includes an upper surface including a recess extending from an upper peripheral portion of the through opening at an upstream side of a feed direction towards the upstream of the feed direction. The recess is dented downwardly relative to other portions of the upper surface. The punch includes a blade substantially matching in shape with the through opening. The blade includes an upstream end portion in the feed direction provided with opposite corners each having an arcuate shape as viewed along the vertical direction. The punch and the die are operable to punch successive holes that at least partially overlap along the feed direction so as to form an elongated hole in a sheet material.

Abstract: A punching apparatus includes a punch for punching holes in a sheet, a cam member for reciprocally moving the punch in a punching direction, a motor for moving the cam member, a pulse generator for generating pulses that are synchronized with the driving of the motor, and a control unit for applying a brake to the motor to stop the cam member upon counting the pulses of a predetermined number from the pulse generator after the cam member moved by the driving of the motor passes through a reference position.

Abstract: A retain-and-release member, which is coupled to a punch holder of a punch assembly, engages a punch tip against an end of the holder, such that a working portion of the tip extends from the end. A punch guide sidewall of the assembly includes an aperture aligned with an actuation interface of the retain-and-release member, when the punch holder and the engaged punch tip are slidably engaged within a guide bore formed by the punch guide sidewall. The aperture provides access for applying a force, to the actuation interface, in order to disengage the retain-and-release member from the punch tip, while the punch holder remains within the guide bore of the assembly. Following the removal, the same punch tip, or another, may be inserted into the guide bore and into engagement with the retain-and-release member.

Abstract: To increase the cutting quality and to improve the operation of a press, in particular in punching high-strength martensitic materials or when punching thick sheet metal, a sheet metal holding device is provided for securely clamping the respective workpiece during the punching operation. The clamping force is increased to 40% or more of the ram force. The force exerted by the sheet metal holding device during the penetration of the workpiece can be further increased. The increase in the clamping force preferably takes place in a controlled manner as a function of the press angle.

Abstract: A system for punching one or more patterns selected from a plurality of related patterns into a workpiece (typically paper or similar materials). The system comprises a punch element having a plurality of cutting surfaces arranged at discrete heights relative to each other, and a means for selecting a discrete distance that the punch element travels through the workpiece.

Abstract: A hole punch device that reduces the force required to create a hole in papers or other sheet media. A punch element of the hole punch device includes a locally sloped or indented floor to create a bend in the sheet media as it is punched to create an enlarged, oval hole. The punch pin may include an expanding sleeve surround the pin that forms a larger diameter during the cutting stroke and springs back to a smaller diameter during a pull out stroke. A coiled torsion return spring is positioned remotely from and non-coaxially with the punch pin. A keyed pin and support frame arrangement ensures a predetermined rotational orientation of the pin for sequential cutting for reduced cutting force. A long lead-in surface in the frame helps installing sheet media into the feed slot of the punch element.

Abstract: A punch unit for a press die is provided for punching a hole in sheet metal. The punch unit includes a piercing punch provided with a sharp projection, a plunger for pressing the piercing punch, a cylinder for supporting the piercing punch and the plunger slidably in a punching direction, and a coil spring for retracting the piercing punch and the plunger. Also disclosed is a press die for punching a hole in sheet metal using the punch unit.

Abstract: A clamping assembly includes a first jaw having a plurality of alternating annular grooves and lands formed thereon, a second jaw having a plurality of alternating annular grooves and lands formed thereon, and a spring provided between the first and second jaws. The jaws are pivotable relative to each other. The jaws are attached to a draw stud. The draw stud is formed from an elongated cylinder which has a conventional thread form formed on one end thereof and a plurality of alternating annular grooves and lands formed on the other end thereof. The alternating annular grooves and lands formed on the jaws mesh with the alternating annular grooves and lands formed on the draw stud to mate the jaws with the draw stud.

Abstract: Heavy-duty, wear-resistant punches and punch blanks for stamping are derived from cold work steel formed by powder metallurgy processing and containing not greater than about 4% of tungsten. The punches and blanks desirably contain not greater than about 4% molybdenum by weight and at least about 5% chromium by weight. Related stamping method are also disclosed.

Abstract: A punch module includes a fixing plate, a clamping member, an engaging member, a number of latching members, and a punch. The fixing plate defines an assembly space. The clamping member detachably fixed to the fixing plate and received in the assembly space of the fixing plate defines a first receiving space. The engaging member received in the first receiving space of the clamping member defines a second receiving space. The latching members are movably received in the first receiving space of the clamping member and the second receiving space of the engaging member. The punch extends through the clamping member, the engaging member, and the fixing plate, and defines a latching slot engagable with the latching members.

Abstract: A plate workpiece processing method includes utilizing one or more cutting devices of a machine tool to perform first and second cutting operations on a plate workpiece. During the first cutting operation, the workpiece is moved relative to cutting device(s) used for the first cutting operation, at least two cut-outs are partially formed in the workpiece with only a common residual connection left that jointly connects the partially formed cut-outs to a remaining portion of the workpiece and that is shortened along one or more cutting lines of the second cutting operation to a size that is larger than a working area of the cutting device(s) used for the second cutting operation. During the second cutting operation, the workpiece is maintained stationary supported by the machine tool, the shortened common residual connection is severed along the cutting line(s) to completely separate the cut-outs from the remaining portion of the workpiece.

Abstract: A paper punch die (125) is disclosed as including a top part (110, 202, 302) and a platform (100, 206, 306) engaged with each other, the platform (100, 206, 306) having an upper major surface (106) and a lower major surface (126, 207, 307), the upper major surface of the platform (100, 206, 306) being in abutment with a lower major surface (118) of the top part (110, 202, 302), and an endless wall (130) with an undulating cutting edge (132) extending away from the lower major surface (126, 207, 307) of the platform (100, 206, 306). There is also disclosed a paper punch (140) including such a paper punch die (125).

Abstract: An upper tool device includes: a punch body having a punch blade at a lower end of the punch body; a punch guide into which the punch body is fitted so as to be movable in vertical direction; an adjustment screw member provided above the punch guide, the adjustment screw member screwed with a screw formed on the punch body; a stripper unit including an urging unit urging the punch body in an upward direction; and a retainer collar including a stopper piece having a tip end disengageably engaged with a stopper formed on the punch body. In the device, the stripper unit is detachably provided in the upper tool device, and the retainer collar is provided between the punch guide and the stripper unit in a manner such that the retainer collar can be relatively rotated against the stripper unit.

Abstract: A punching assembly includes a die base, a sleeve, an adjusting screw, a pull portion, a latching block, an elastic element, a fixing ring and a stop member. A top of the die base is received in the sleeve. The adjusting screw includes a contact end, a mounted end inserting into the sleeve and connecting to the top of the die base, and a latching portion located between the contact end and the mounted end. The pull portion is disposed around the sleeve. The latching block engages the latching portion. The elastic element is disposed around the adjusting screw, supporting the latching block. The fixing ring surrounding the adjusting screw is fixed on the sleeve. The stop member, contiguous with the fixing ring, prevents axial movement of the adjusting screw.

Abstract: An upper tool device includes: a punch body having a punch blade at a lower end of the punch body; a punch guide into which the punch body is fitted so as to be movable in vertical direction; an adjustment screw member provided above the punch guide, the adjustment screw member screwed with a screw formed on the punch body; a stripper unit including an urging unit urging the punch body in an upward direction; and a retainer collar including a stopper piece having a tip end disengageably engaged with a stopper formed on the punch body. In the device, the stripper unit is detachably provided in the upper tool device, and the retainer collar is provided between the punch guide and the stripper unit in a manner such that the retainer collar can be relatively rotated against the stripper unit.

Abstract: Disclosed herein is a method for processing an orifice capable of processing recessed portions and orifices, each having a unique hole diameter different from each other, to high positioning accuracy and in a short time. A press includes: a B-axis angle indexing device 3 disposed on a base 2b, the B-axis angle indexing device 3 including a table B; an A-axis angle indexing device 25 disposed on the table B, the A-axis angle indexing device 25 including a table A; a chuck 32 disposed on the table A, the chuck 32 for holding a work; a base Z 6 disposed on a base, the base Z 6 being operable in an axis Z-direction; a base X 8 disposed on the base Z, the base X 8 being operable in an axis X-direction; a punch holding portion 13 disposed on the base X, the punch holding portion 13 being operable vertically in an axis Y-direction; and a plurality of punches 19, 22 held on the punch holding portion in parallel with the axis Z.

Abstract: A stamping tool has a stamping punch for forming at least one punched hole in a workpiece. The stamping punch is guided in a guide housing along a stamping displacement movement. The stamping punch has a stamping element and a head element, which is connected with the stamping element by means of a screw connection. A length of the stamping punch between a head front face and a stamping surface, which closes off the stamping element at the front, can be set by means of the screw-in depth of the screw connection. An unlocking body, which is freely accessible from outside of the guide housing can be displaced between a locked position, in which the screw connection is blocked, and a screwing position, in which the screw connection is released. The result is a stamping tool with a simplified length adjustment.

Abstract: A perforator configured to perforate a sheet includes a first frame and a blade. The first frame includes a first main face having a first hole, and is provided under a transport path of the sheet. The blade is moved into the first hole to perforate the sheet transported in the transport path. A bending strength of the first main face in a vertical direction with respect to the transport path of the sheet is smaller than a bending strength of the first main face in a parallel direction with respect to the transport path of the sheet.

Abstract: A clamping assembly for driving a knockout punch is provided. The clamping assembly has an outer member, an inner member, and wedges that are guided by keyways on the inner member. A user pushes onto the inner member, which causes the wedges to contact a cam surface on the outer member, which forces the wedges in a radial inward direction until threads provided on said wedges clamp onto complimentary shaped threads on a draw stud.