Abstract: A system for forming apertures in a flexible film is provided. The system includes a punching tool for forming apertures in a flexible film. The punching tool defines a through hole therethrough. The system also includes a support plate. The punching tool is configured to press the flexible film against the support plate to form the apertures.

Abstract: A two different process continued performance type product assembly device may include a punching jig having a punch and configured to ascend and descend, a punching tool located on a lower portion of the punching jig and having a punching die that is located below the punch during a punching work, a fusion tool located on the lower portion of the punching jig and having a fusion horn that is located below the punch during a fusion work, and a tool exchange cylinder configured to push the punching die so that the fusion horn secedes from a position below the punch during the punching work and to pull the punching die so that the fusion horn comes into the position below the punch during the fusion work.

Abstract: A Carl punch system for a vehicle seat cover. A guide (104) is installed above the upper surface of a base (102). A controller (106) is installed on the outer surface of the base (102) to control the Carl punch system according to a predetermined program. A Carl punch means (108) is disposed on the central upper surface of the base (102) to punch a seat cover to produce vent holes with a pattern desired by a user in the seat cover. A press (110) is vertically slidably installed on the guide (104) and electrically connected to the controller (106) so as to press the Carl punch means (108) disposed on the central upper surface of the base (102) according to a control signal from the controller (106). The Carl punch system has improved productivity and workability.

Abstract: A punch constitutes, together with a die, a blanking die for punching a workpiece with a punching shape in which protrusions protrude outwards from an annular body. The punch includes a cylinder-shaped punch section and a holder section. In the punch section, a shape of the front end surface corresponding to the punching shape of the workpiece is continuous to a rear end surface, and includes a cutting edge on its front end surface. The holder section is a short cylinder including an inner circumferential surface formed in correspondence with an outer circumferential surface of the punch section to allow insertion of a rear part of the punch section. The protrusions are brought into intimate contact with the recesses of the holder section. A clearance is provided between a part of the punch section other than the protrusions and a part of the holder section other than the recesses.

Abstract: Guide and retaining assembly for a press compensator comprising: a guide bushing (32) for the compensator (20) in its bore, said guide bushing being designed to be fitted around the compensator, a retaining nut (38) that that is configured to be screwed into the bore, the guide bushing (32) being located between a shoulder on the compensator and the retaining nut (38), and means (44) axially fixing the guide bushing (32) and the retaining nut (38) while maintaining an axial and transverse clearance between the guide bushing (32) and the retaining nut (38), said means (44) being such that the guide bushing (32) is free to rotate relative to the retaining nut (38).

Abstract: The present disclosure provides an automatic electric punching apparatus that can automatically punch documents or paper sheets by lowering a screw punch blade by means of a screw while being rotated in conjunction with driving of a motor due to switching.

Abstract: A plastic film punching apparatus is improved to prevent a waste 15 from being caught in a cylindrical punch blade 2. The apparatus includes a punch blade 2 comprising a saw-toothed edge which includes mountain portions and valley portions formed alternately with each other. A protrusion 5 is disposed internally of the punch blade 2 to protrude beyond the position of height H1 of the bottoms 7 of valley portions and toward the position of height H2 of the tops 6 of mountain portions. An annular clearance 8 is formed between the punch blade 2 and the protrusion 5.

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 solid tool gripping and alignment plate, for accurately gripping and holding a tool placed therein in perfect alignment. The tool gripping and alignment plate consists of a flat unitary tool gripping plate with a smooth non-circular opening formed in the tool gripping plate for gripping a tool therein fully 360 degrees about a tool's periphery upon adjustment of the gripping plate. A single threaded adjustment member is arranged through a side of the gripping plate for biasing a portion of the smooth non-circular opening in the tool gripping plate from a non-circular shape into the circular shaped opening for circumferentially gripping of a tool therein.

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 tool for perforating a polymeric film is disclosed having a support substrate and at least one projection extending from the substrate. The projection is multi-sided with side walls that have straight sides that are tapered upwardly and inwardly from the support substrate at an angle theta (?) that is at least 5°. The angle is measured in relation to imaginary lines extending perpendicularly to the substrate at the locations at which the side walls contact the substrate.

Abstract: A piercing apparatus is provided, including a piercing die including a first section and a second section, the first section having a top surface for a workpiece to be placed on and internal surfaces surrounding a first hollow formed vertically, the second section placed in the first hollow and having an internal side surface surrounding a second hollow formed vertically, a piercing punch having a tip portion for punching the workpiece to cut off a scrap piece to produce a hole in the workpiece, and a scrap removing unit that is formed to be planar and fixed horizontally between the first section and the second section. The scrap removing unit is configured for the tip portion attached with the scrap piece after the punching to move through while the tip portion is lowered, and is further configured to scrape off the scrap piece from the tip portion while the tip portion is lifted through the scrap removing unit.

Abstract: A method includes removing material from a die and thereby changing a location of a cutting edge of the die in a punch entry direction and changing a cutting edge cross-section of the die; and assigning a punch and/or a workpiece thickness to the die based, at least in part, on the change in the cutting edge cross-section of the die.

Abstract: A sheet punching apparatus capable of improving the accuracy of movement distance of a movable member and maintaining the durability of a drive unit of the apparatus. A sheet post-processing apparatus controller computes a time period corresponding to an amount of overrun of a slider at the time of stopping the slider in an initial operation. In a punching operation, the sheet post-processing apparatus controller starts a punch motor at a timing earlier by the computed time period corresponding to the amount of overrun than a stop timing of a conveyance motor.

Abstract: A method includes removing material from a die and thereby changing a location of a cutting edge of the die in a punch entry direction and changing a cutting edge cross-section of the die; and assigning a punch and/or a workpiece thickness to the die based, at least in part, on the change in the cutting edge cross-section of the die.

Abstract: A punch of a compression molding machine is configured to be assembled with no use of any tool and achieves reduction in time necessary for the assembling process. The punch includes a punch tip member, a holder provided, at a distal end thereof, with a projection projecting radially outward, a cap having a disengagement inhibiting portion engaged with the projection of the holder so as to inhibit the projection from inserted thereinto and extracted therefrom in the axial direction, and a rotation inhibiting member engaged with the holder and the cap attached with the punch tip member so as to inhibit axial rotation of the cap relative to the holder.

Abstract: A punch includes a base and a chip cartridge that is movably coupled to the base. The chip cartridge is movable between a first position and a second position relative to the base and defines a chamber that is configured to receive and hold chips produced during a punching operation. The chip cartridge includes a chip receiving portion that is configured to receive chips created during the punching operation and to permit entry of the chips into the chamber while the chip cartridge is in the first position. When the chip cartridge is in the second position, the chip receiving portion provides communication between the chamber and outside the chamber via an area less than or equal to about 200 percent of a surface area of the chip produced by the punch.

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: 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 machine tool for separative machining of preferably plate-like workpieces, for example, metal sheets, has a workpiece support and a discharge device on the workpiece support. The discharge device discharges workpiece parts produced as products of the separative machining. The discharge device includes two opening sections are adjustable relative to one another in the horizontal Y direction to form a through-opening for discharge of workpiece parts. The opening sections are adjustable into different positions relative to one another in the horizontal Y direction, to form through-openings of different widths for discharge of workpiece parts.

Abstract: There is provided a punching unit capable of punching holes in high-performance by increasing a punching force and by rotating a punch. A guide hole that guides the punch in the vertical direction is formed to have a narrow upper part, a wider lower part and inclined surfaces between them. An actuation pin engages with a cam and the punch moves up and down to punch a hole when a cam member reciprocates. The actuation pin abuts with the inclined surface of the guide hole at the punching position, so that the punch is rotated and a cam inclined angle is reduced by an inclined angle of the guide hole, allowing a large punching force.

Abstract: A punch assembly for a turret-type punch press comprises 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 compression punch for a rotary press, with a punch shaft that has a punch head at its one end and means for accommodating a separate punch insert at the other end, and with fastening means for detachably fastening the punch insert on the punch shaft, wherein the punch head and the punch shaft have an axial through bore, the axial through bore accommodates a drawbar that has a tensioning head at the end turned away from the punch head, said tensioning head having at least one connection portion, the punch insert has a recess at the end facing the punch shaft which is realized to be detachably connectable with the connection portion, and that tensioning means are arranged in the axial through bore, by which the drawbar can be tensioned in the direction of the punch head.

Abstract: A solar collector array is disclosed. The array has a plurality of thin walled dishes interconnected by unitary webbing. The dishes and the webbing are formed from a single metallic sheet. Each dish is pressed into a symmetric parabolic surface that concentrates incident light to a position in front of the dish.

Abstract: A multiple punch and multiple die assembly has a workpiece protector as a punch lifter that is operatively associated with each punch for supporting each of the punches in an inactive position as an active punch is moved by the ram to the active, i.e. operating position to thereby eliminate scoring or marking of the sheet material or other workpiece that is being punched. To eliminate the need for hand tools and hand assembly or disassembly, a manually moveable retainer on the punch assembly is provided that can be moved by hand between a punch-releasing and punch-retaining position for holding the punches within the multi-punch assembly during operation. To prevent stress fractures that formerly occurred in die carriers, support of each die is distributed between two different die components thereby reducing impact stress on the carrier as the ram drives the punch through the workpiece.

Abstract: The steel punch knife according to the invention is suitable for punching out parts of any shape from paper, cardboard, paperboard, corrugated board, plastics sheets, leather rubber and the like, and comprises a knife body (4) with a cutting edge (2) at one end and a deformable back portion (3) opposite the cutting edge (2). The cutting edge (2) is harder than at least a portion of the back portion (3). The back portion (3) comprises a V-shaped back edge (3b) having two inclined sides defining an inclination angle between them. The maximum width of the back edge (3b), at the base thereof, is smaller than the width of the knife body (4), such that there is a shoulder (9) where the back edge (3b) meets the knife body (4).

Abstract: Tool holding systems described herein include a tool holder configured to releasably retain a metal-processing tool and to define a tool holder passage extending along a stroke axis, an adjustment drive operable to rotate the tool holder about the stroke axis, and a stroke drive including a spindle operable independent of the adjustment drive to translate the tool holder along the stroke axis. The stroke drive defines a stroke drive passage cooperating with the tool holder passage to define a waste disposal passageway through the tool holding system.

Abstract: A multiple punch and die assembly adapted to a punch press for carrying out a punching or forming operation comprises a punch assembly for holding a plurality of selectively operable punches that selectively engage a workpiece. The punch assembly has a punch carrier for reciprocal motion within a punch guide and a striker body engaging the punch carrier, said striker body being selectively, toollessly connectable to the punch carrier while permitting relative rotation of the striker body and punch carrier to select a punch for engagement by the striker. A detent means releasably positions the striker body in one of a plurality of operating positions, at which a punch is positioned for being struck selectively by the ram via the striker body such that one punch is driven to an operating position when at least one other punch is inactive, the inactive punches engageable by a lock plate.

Abstract: A scrap floating prevention mechanism comprises: a die holder formed with a first communication pipe which sends compressed fluid; a mounting table formed with a second communication pipe which comes into communication with the first communication pipe and which sends compressed fluid to the first communication pipe, the die holder being placed on and fixed to the mounting table; and a fluid injecting member which is formed with a plurality of inclined injecting pipes for injecting compressed fluid from the first communication pipe and which is provided below the die.

Abstract: A multiple punch and multiple die assembly has a workpiece protector which is a punch lifter that is operatively associated with each punch for supporting each of the punches in an inactive position as an active punch is moved by the ram to the active, i.e. operating position to thereby eliminate scoring or marking of the sheet material or other workpiece that is being punched. To eliminate the need for hand tools and hand assembly or disassembly, a manually moveable retainer on the punch assembly is provided that can be moved by hand between a punch-releasing and punch-retaining position for holding the punches within the multi-punch assembly during operation. To prevent stress fractures that formerly occurred in die carriers, support of each die is distributed between two different die components thereby reducing impact stress on the carrier as the ram drives the punch through the workpiece.

Abstract: A die assembly having a guide rod that includes a lower rod which is fixedly placed on a stripper plate which guides a punch for engagement with a lower die and an upper rod which is placed removably on the stripper plate for engagement with an upper die. When punching a material for punching, the upper rod is removed from the stripper plate so as to put the upper plate and the stripper plate in a disconnected state, i.e., so that the stripper plate is made free to move backwards and forwards relative to the lower die by the lower rod. When the material for punching is not punched, the upper rod is attached to the stripper plate so as to put the upper die and the stripper plate in a connected state by the upper rod, so that the stripper plate is held on to the upper die.

Abstract: A chemical etched die to be used in combination with a (e.g., roller) press to cut out shapes that are printed on sheet material. The die includes an outside border that surrounds an inside opening through the die. The size of the inside opening corresponds to the size of the shape to be cut. A cutting edge (i.e., blade) projects from the outside border of the die so as to surround the inside opening therethrough. The cutting edge is positioned at the interface of the outside border and the inside opening of the die whereby none of the outside border extends past the cutting edge and none of the outside border lies between the cutting edge and the inside opening. Accordingly, the cutting edge of the die will be exactly registered with the printed shape to be cut when the shape is surrounded by the outside border of the die.

Abstract: A hole punch includes a base and a handle assembly to actuate a punch pin. The base may include a housing enclosing a punch head, and the housing may include an opening where the handle assembly is adapted to be recessed within the opening. The handle assembly may include a first linkage and a second linkage, each pivotally coupled to the base, and a third linkage pivotally coupled to both the first and second linkages, where the third linkage is arranged to move substantially parallel to the base. The first linkage may be substantially parallel to the second linkage when the punch pin is in a rest position, and the second linkage may be configured to nest within the first linkage when the punch pin is in a deployed position.

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: An apparatus for punching at least one hole in a sheet of paper and attaching a reinforcing ring onto the sheet around the hole includes a platform; a hole punch rod mounted to and extending outwardly from the platform positioned to match a desired location for a hole on a sheet, the hole punch rod having a rod cutting end extending away from the platform; a sheet panel having a ring passing hole positioned to register with the longitudinal axis of the punch rod and sized to pass a reinforcing ring; a hole punch plate generally parallel to and spaced forwardly from the sheet panel and having a hole punching port positioned to register with the longitudinal axis of the hole punch rod, the hole punching port being sized to pass the rod cutting end closely enough to cut a hole into a sheet placed between the rod cutting end and the punching port; a sheet panel return spring mechanism.

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 press working method for processing a heated workpiece includes a punching process of punching the heated workpiece using a working tool in a state of urging the workpiece by a pad, a retreating process of retreating the working tool from the punched workpiece, and a holding process of holding the punched workpiece in a state of being urged by the pad after the retreating process.

Abstract: A method of manufacturing an outer retainer for a one-way clutch having an outward flange at one side edge thereof involves punching out a part of an annular portion having the outward flange by sliding a punch toward an axis of the outer retainer substantially in an axially inner direction from a retainer outer periphery-sided curve portion of the outward flange to a retainer inner periphery-sided curve portion thereof in a way that uses a die and the punch.

Abstract: The invention pertains to a novel hole punch system including a punch assembly removably coupled to a frame member. In one embodiment, the frame member has an elongated slide track defining a slot along which the punch assembly may be movably positioned. The punch assembly may include a punch mechanism for punching a hole in a material and a chad dispenser mechanism for efficiently storing and discharging accumulated chads.

Abstract: Methods and apparatuses for producing fiber-cement soffit building products. In one embodiment of the invention, an apparatus for producing fiber-cement soffits includes a punch assembly, a support assembly facing at least a portion of the punch assembly, and an actuator operatively coupled to at least one of the punch assembly or the support assembly. The punch assembly can include a punch plate and a plurality of punches coupled to the punch plate. Each punch can have a length and a first cross-sectional dimension generally normal to the length. The support assembly can have a support plate, and at least a portion of the support plate is juxtaposed to at least a portion of the punch plate. The support plate can include a plurality of holes arranged in a pattern so that each hole in the portion of the support plate juxtaposed to the punch plate is aligned with a corresponding punch on the punch plate.

Abstract: In a shearing device (10), a plate-like work piece (50) is seated on a die (20) positioned on a lower side thereof is clamped by a pad (30), so that a predetermined portion of the work piece (50) is processed into a predetermined shape by a punch positioned on an upper side thereof. The punch (40) integrally has a heel portion (41). The heel portion is so as to broadly contact an outer peripheral face (51) of the predetermined portion to be processed of the work piece (50), thereby restraining the outer peripheral face (51) from moving in an outward direction perpendicular to a thickness direction.

Abstract: A multiple punch and multiple die assembly has a workpiece protector as a punch lifter that is operatively associated with each punch for supporting each of the punches in an inactive position as an active punch is moved by the ram to the active, i.e. operating position to thereby eliminate scoring or marking of the sheet material or other workpiece that is being punched. To eliminate the need for hand tools and hand assembly or disassembly, a manually moveable retainer on the punch assembly is provided that can be moved by hand between a punch-releasing and punch-retaining position for holding the punches within the multi-punch assembly during operation. To prevent stress fractures that formerly occurred in die carriers, support of each die is distributed between two different die components thereby reducing impact stress on the carrier as the ram drives the punch through the workpiece.

Abstract: A piercing device for hydro-formed members comprises a punch having a cutting surface and a guide bore, a support member having a guide post complementary in shape to the guide bore and drive passages, and a drive member having two arms forming U-shaped members. The arms of the drive member extend through the drive passages of the support member to transfer a force between a ram and the punch.

Abstract: A paper processing tool includes a base having a receiving area for selectively receiving a sheet of paper. The tool further includes a first lever having a handle portion, the first lever being pivotable relative to the base about a first axis. An intermediate lever is pivotable relative to the base about a second axis in response to movement of the first lever. At least one cutting element is arranged along a cutting plane, the at least one cutting element being configured to selectively engage the sheet of paper. A drive lever is actuable by the intermediate lever to move the at least one cutting element relative to the base. The drive lever is pivotable relative to the base about a third axis parallel to the cutting plane.

Abstract: A base for a paper punch includes an upper jaw, a lower jaw, and first and second bifurcated supports, fixedly secured with the upper and lower jaws. The base has first and second legs. A rear end of the upper jaw is fixedly joined with a rear end of the lower jaw. Each bifurcated support has upper and lower forks spaced apart from each other at a front end and fixedly joined with each other at a rear end. The forks are fixedly secured with respective lateral sides of the respective jaws. First ends of the legs are fixedly secured to either or both of the upper jaw and lower jaw, with a second end of the first leg fixedly secured to the rear end of the first bifurcated support. The second end of the second leg is fixedly secured to the rear end of the second bifurcated support.

Abstract: A punch and die assembly for singulating an IC unit from a substrate, the assembly comprising an array of punches a guide block having opposed first and second faces with a plurality of elongate channels corresponding to each punch extending from said first to second face; a die block for supporting said substrate, said die block having an array of punching zones at which the punches bear so as to singulate all or a portion of a peripheral edge of said IC units from the substrate.

Abstract: The pivoting shaft of a handle member has an axial center position in a support platform that is substantially fixed, and the position with respect to the handle member is to be displaceable. Furthermore, as for a support shaft, the position in the handle member is fixed, and the axial center of the pivoting shaft is positioned near a perpendicular bisector of a segment connecting both ends of a support shaft-guiding hole.

Abstract: A cutting tool, particularly for steel sheet billets, having a cutting blade fastened to a blade holder and a pressure cushion which is arranged on sides of the blade holder and, when the cutting blade penetrates into the material to be punched, is pressed onto the latter in the area of the useful punched part. During the passage of the cutting blade, a high-quality edge of the useful punched part is largely kept free of an interfering burr and elevation formation by the pressure cushion material being displaced radially outward during the punching stroke, such that the cutting blade is acted upon by pressure in the lateral direction under an increasing elastic deflection of the cutting blade edge.

Abstract: A punch and die apparatus and a method and apparatus for punching a capacitor electrode layer. A method includes placing a capacitor material sheet between a punch and a die, the punch guided by a punch guide, there being no stripper plate between the punch guide and the die, and actuating the punch to punch an electrode layer out of the sheet. An apparatus includes a die having a die hole, a punch guide, and a punch located within the punch guide. The punch guide and the die have a fixed distance therebetween such that there is no compression on a work piece placed between the die and the punch before the punch contacts the workpiece.

Abstract: A punch tool is provided. The punch tool may include a punch guide, a punch body movably provided in a vertical direction in the punch guide, a body cap surrounding an upper end of the punch body, wherein the upper end of the punch body is screw-fitted to a screw-fitting part inside of the body cap, and a punch chip detachably provided in the punch body, wherein the punch body is elongated in a radial direction thereof and the punch chip is elongated in the radial direction of the punch body. The punch tool may also include one positioning locking part provided so as to position the punch chip with respect to the punch body, wherein the positioning locking part is located at a position away from a center position of the punch chip.