Abstract: A bend/cut-off gauge includes a hanger having a first portion adapted to engage at least one track feature on the anvil member of a sheet bending brake, and a second portion extending from the first portion so as to be cantilevered from the anvil member adjacent to the sheet material clamp surface on the base member of the brake. An abutment stop is disposed on the second portion of the hanger for engagement by an edge of sheet material resting on the clamp surface. The width of the sheet material between the edge of the anvil member and the abutment stop is thus accurately gauged. The gauge may then be removed from the anvil member, and the bend member operated to bend an accurately gauged strip of material over the anvil member, or the cutter mechanism operated along the track feature(s) on the anvil member to sever an accurately gauged strip of material from the sheet stock clamped between the anvil member and the base member.

Abstract: A processing apparatus is provided which includes a stretch-forming apparatus and a beam processing unit or apparatus, which can be controlled by a common control unit. The beam processing unit can be a laser beam processing unit, which permits a sheet metal piece to be subjected to an additional laser processing step before, during and/or after a stretch-forming process.

Abstract: A forming press apparatus with which forming of a plurality of different workpieces can be carried out using a single press. The press has raise/lowerable upper and lower die sets. A plurality of forming die pairs corresponding to a plurality of forming steps to be carried out on a pre-drawn workpiece are mounted en bloc to the die sets. The forming die pairs are disposed in a row on the die sets in the order of the forming steps.

Abstract: A working apparatus for band blade provided with a bender for bending a band blade into a predetermined configuration, and a cutter cutting the band blade. The cutter is positioned successively after the bender. And, a working method for band blade having a bending process in which a band blade is bent into a predetermined configuration, and a cutting process in which the band blade is cut. The cutting process is successively conducted after the bending process is previously conducted.

Abstract: The present invention provides an unified folding system for processing in one work line all working processes needed in cutting and folding a cutting blade in a shape suitable to a sheet matter molding. A cutting blade supplied from a transferring unit of the cutting blade is cut in a length suitable to a sheet matter molding configuration in a cutting molding unit adjacent thereto, simultaneously the cutting tip used in cutting is transferred together with the cutting blade to a folding device side through a guide member set which is to be contacted with the cutting molding unit, the cutting blade transferred to the folding device is folded in a predetermined shape by a folding member which performs a going-straight movement and a rotating movement, and thereby, at this time, the cutting tip is detached outside by a tare. Accordingly, a working efficiency and a productivity in the cutting and folding of the cutting blade are improved and increased.

Abstract: A cutting edge is formed by build-up welding on a die of a die assembly made of a base material of an aluminum/copper-based zinc alloy. The cutting edge comprises an underlying layer and an overlying layer. The underlying layer is made of a copper alloy that can be welded to both a zinc alloy and a nickel alloy, and the overlying layer is made of a nickel alloy. The cutting edge is of high machinability, high durability, and high hardness.

Abstract: A device for forming a cutting blade for prints is disclosed. The device of this invention forms cutting blades by appropriately bending and cutting a metal strip into desired blades through integrated work regardless of a difference in the size of metal strips. The device is also provided with changeable jigs, thus being capable of forming bridge notches having different intervals, widths and configurations. The device has one vertically movable bending pin and one swing cutter. The bending pin is capable of quickly bending a metal strip into a desired configuration, while the swing cutter finely and precisely cuts the metal strip into cutting blades. The device also quickly produces high precision cutting blades, thus improving productivity and reducing the cost of the cutting blades.

Abstract: A device for forming a cutting blade for prints is disclosed. The device of this invention forms cutting blades by appropriately bending and cutting a metal strip into desired blades through integrated work regardless of a difference in the size of metal strips. The device is also provided with changeable jigs, thus being capable of forming bridge notches having different intervals, widths and configurations. The device has one vertically movable bending pin and one swing cutter. The bending pin is capable of quickly bending a metal strip into a desired configuration, while the swing cutter finely and precisely cuts the metal strip into cutting blades. The device also quickly produces high precision cutting blades, thus improving productivity and reducing the cost of the cutting blades.

Abstract: The machine for automatically bending profiled elements and the like comprises a line for feeding the profiled elements to be bent. Bending means are suitable to end at least a rear end of the profiled elements in a bending station which is arranged in an upper or lower position with respect to the feed line of the profiled elements. Transfer means are suitable to move the profiled elements from the feed line to the lower or upper bending station. Drawing means act at the bending station to move the profiled elements longitudinally.

Abstract: The present invention relates to a band-blade cutting tool which is used for cutting a band blade that is a so-called Thomson blade, and also to a band-blade working apparatus having a function of cutting such a band blade into a predetermined shape and like functions. A band-blade cutting tool has: a pair of edged members having cutting blades; miter-cutting portions M which are disposed on the cutting blades to obliquely cut a blade portion of a band blade; straight-cut portions S which straight cut the blade portion of the band blade; and the like. The band-blade working apparatus has a bending mechanism a pair of band-blade cutting tools and the like. The pair of band-blade cutting tools are distributedly placed in the front and rear sides of the bending mechanism.

Abstract: There is described a machine for machining metal sheets, which comprises a bending machine for bending sides of a metal sheet and a manipulator-rotator that is mobile in relation to the bending machine for automatic positioning of the metal sheet during bending. The machine comprises at least one punching press for punching said metal sheet, that is served by said manipulator-rotator so that said manipulator-rotator is utilised for automatic positioning of the metal sheet both during bending and during punching of the metal sheet.

Abstract: The present invention relates to a method of working a band blade that is a so-called Thomson blade. In the invention, a band blade 1 is bent into a predetermined shape by a bending mechanism 7, the bent band blade is then forward fed, and a rear portion of a bent region Z of the band blade 1 is cut away by using a front band-blade cutting tool 2 which is placed in front of the bending mechanism 7. In the invention, in advance of bending of the band blade 1, a step of cutting the front end of the band blade 1 by using a rear band-blade cutting tool 2 which is placed in rear of the front band-blade cutting tool 2 may be conducted. After the front end of the band blade 1 is cut by using the rear band-blade cutting tool 2, the band blade 1 is forward fed, a bridge 14 is formed in the band blade 1 by using a bridge punching mechanism 8, and the band blade 1 is then forward fed to be bent into a predetermined shape by the bending mechanism 7.

Abstract: A device for forming a cutting blade for prints is disclosed. The device of this invention forms cutting blades by appropriately bending and cutting a metal strip into desired blades through integrated work regardless of a difference in the size of metal strips. The device is also provided with changeable jigs, thus being capable of forming bridge notches having different intervals, widths and configurations. The device has one vertically movable bending pin and one swing cutter. The bending pin is capable of quickly bending a metal strip into a desired configuration, while the swing cutter finely and precisely cuts the metal strip into cutting blades. The device also quickly produces high precision cutting blades, thus improving productivity and reducing the cost of the cutting blades.

Abstract: The present invention provides an unified folding system for processing in one work line all working processes needed in cutting and folding a cutting blade in a shape suitable to a sheet matter molding. A cutting blade supplied from a transferring unit of the cutting blade is cut in a length suitable to a sheet matter molding configuration in a cutting molding unit adjacent thereto, simultaneously the cutting tip used in cutting is transferred together with the cutting blade to a folding device side through a guide member set which is to be contacted with the cutting molding unit, the cutting blade transferred to the folding device is folded in a predetermined shape by a folding member which performs a going-straight movement and a rotating movement, and thereby, at this time, the cutting tip is detached outside by a tare. Accordingly, a working efficiency and a productivity in the cutting and folding of the cutting blade are improved and increased.

Abstract: A method and apparatus is provided for forming and shearing a sheet metal workpiece in a single operation. The method includes the steps of: (a) providing a stationary lower die half; (b) stretching the workpiece over the lower die half to stretch-form the workpiece; (c) providing a vertically movable upper die half including a laterally movable floating portion with a shearing edge; (d) moving the upper die half toward the lower die half; (e) moving the floating portion laterally as the upper die half is moved toward the lower die half in order to properly align the floating portion with the lower die half; and (f) shearing the stretch-formed workpiece between the shearing edge and the lower die half as the upper die half moves toward the lower die half.

Abstract: A multifunction machine for modifying a workpiece held in a bending brake is provided that allows one tool to be easily interchanged with another tool. The machine includes a carriage operable to move longitudinally along the bending brake, and a tool detachably connected to the carriage and operable to modify the workpiece. The tool can be detached from the carriage and interchanged with another tool for performing a different modification to the workpiece. In a preferred embodiment, either the tool or the carriage includes a projection extending therefrom, and the other includes an opening sized to receive the projection in order to connect the tool and the carriage. The tool preferably includes rotatably mounted rolls that may be used for cutting or forming the workpiece. The multifunction machine is intended to be used in conjunction with any type of bending brake.

Abstract: An apparatus and a method configure lithographic plates by cutting corners and bending edges in preparation for use in web offset printing. The lithographic plate is precisely aligned and immobilized on a support bed, which has bending anvils at opposing edges of the bed. A corner die cutter advances into position above a corner of the plate, cuts a corner of the plate and then retracts. An eccentric camming member for bending the plate edges has full bearing supporting ends and additional bearings intermediate the ends. The eccentric camming members lower to the plate and rotate within their bearings to form bends of selected angles in opposing edges of the plate. The eccentric camming members are then counter rotated and raised to their position above the plate. The movements of the corner die cutter and the eccentric camming member are precisely sequenced with each other by programmable logic control.

Abstract: A bending machine for closing channels which simultaneously bends both side walls of a "U" shaped metal channel, comprising: a support frame; a lower male member slide mounted on the support frame, having a normally closed two-halves male member, each half having a notch in lateral wall thereof, and is associated with driving means for opening the halves of the male member when receiving a channel and for releasing the channel once its side walls thereof have been bent inside each notch, allowing to remove it therefrom; and two lateral bending inserts each slide mounted on the support frame, and associated with driving means, for bending both side walls of the channel into the notches. If desired an upper member, mounted on lowering and lifting means, is provided, having a blank holder to retain a channel on the lower male member when it is closed and/or a die member for simultaneously bend a plate forming a channel, and then close both side walls thereof forming a closed channel.

Abstract: Perfected bending system for bending machines including a working plane (19) cooperating with at least a drawing device (12) including one or more pairs of rolls (15), the rolls (15) having at least a working position ("I") wherein they are closed on the round piece (11) in order to feed it forward, the drawing device (12) cooperating with at least one bending assembly (13b) arranged downstream thereof and with at least one shearing assembly (14), the system providing that, at the end of the feeding and positioning step of the round piece (11) in correspondence with the relative bending assembly and before the bend is made, the rolls (15) of the drawing device (12) are temporally arranged in an open position ("II") where they do not interfere laterally and are not in contact with the round piece (11) so as to allow the already bent portion located beyond the bending assembly to fall onto the working plane (19), returning subsequently to the closed working position ("I") before the bending is carried out.

Abstract: A simultaneously channel forming and punching machine, which forms a channel from a flat metal sheet and punches the side walls of the formed channel, comprising: a lower member, including a support frame and a die member mounted on the support frame having a sheet receiving surface and two side walls, each having perforations at a desired height; an upper member, mounted on a lowering and lifting mechanism, actuating on a lower member; a female member, retained by a support frame, having an upper wall and two depending side walls, each having perforations at a height coinciding with the perforations of the die member, and forming a channel housing receiving the die member when the upper member is lowered to form a channel; a retaining plate, resiliently retained into the channel forming housing of the female member for retaining a metal sheet to be bent; and punching elements coupled at the ends of the female member, for punching the side walls of a formed channel, passing through the perforations of the fem

Abstract: In a machine for automatically bending a material into the outside skin of a channel letter, a desired configuration of the channel letter is input into a control computer. The computer controls the feed of the strip of metal into the machine for the bending of the metal into the outside skin. Feed assemblies feed the material along a material feed path of the machine. A notching station notches the edge of the material where necessary for purposes of forming flanges in the material and bending the material. A subsequent flange forming station forms the flanges on the edge of the material, when desired. A bending assembly bends the strip of material into the desired form, with the bending arm moving from one side to the other of the material as necessary. The material is cut at a cutting station immediately preceding the bending assembly when the length of the material needed for the formation of the outside skin has been fed to the appropriate point at the cutting station along the material feed path.

Abstract: A cutter/bender apparatus is provided for selectively cutting and bending a workpiece. The bending member includes a bending pin actuated by a hydraulic cylinder that moves the bending pin into and out of engagement with the workpiece to clamp the workpiece against a support plate. When clamped, another hydraulic cylinder lifts a movable bending member toward the workpiece, bending the workpiece about the bending pin in the process. The cutting member includes a fixed cutting member and a movable cutting member mounted in side to side abutment. The cutting members include a slot that extends laterally therethrough in which the workpiece to be cut is placed. The hydraulic cylinder that operates the movable bending member also provides motion for the movable cutting member. As the movable cutting member moves, it moves the aligned slots of the individual cutting members out of alignment, shearing the workpiece in the process.

Abstract: The present invention provides an unified folding system for processing in one work line all working processes needed in cutting and folding a cutting blade in a shape suitable to a sheet matter molding. A cutting blade supplied from a transferring unit of the cutting blade is cut in a length suitable to a sheet matter molding configuration in a cutting molding unit adjacent thereto, simultaneously the cutting tip used in cutting is transferred together with the cutting blade to a folding device side through a guide member set which is to be contacted with the cutting molding unit, the cutting blade transferred to the folding device is folded in a predetermined shape by a folding member which performs a going-straight movement and a rotating movement, and thereby, at this time, the cutting tip is detached outside by a tare. Accordingly, a working efficiency and a productivity in the cutting and folding of the cutting blade are improved and increased.

Abstract: A bending brake apparatus having a bending brake, an attached foldable table, a coil holder for holding coiled aluminum or coiled vinyl sheet material positioned at an end of the bending brake before the table and facing down the length of the table, built-in cutting means separately provided on the bending brake and on the coil holder for cutting the aluminum or vinyl sheet material, and detachable brake support leg pairs. The built-in cutting means includes cutting tools mounted on sliding bars slideably captured within rimmed tracks. The cutting tools employ offset roller cutters and include outwardly extending sheet material support rollers.

Abstract: Machine used for folding, profiling and cutting metal sheets includes a fixed support structure (1) holding a lower presser element (3), on which the sheet (4) rests, and an associated upper mobile presser element (5). Together, the presser elements (3, 5) keep the sheet (4) pressed in a proper horizontal plane. The machine further includes a mobile structure (7) having a C-shaped cross section which defines a channel (2) of longitudinal orientation. This C-shaped structure holds a pair of holding blades (8-9) which perform the folding of the sheet (4) when the same C-shaped structure is raised and lowered or made to advance or withdraw with respect to the sheet (4). In the interior of the channel (2) at least one removable tool holding group (10-11) is situated. This permits repositioning of the tool holding group along the longitudinal course of the channel (2).

Abstract: The present invention provides an unified folding system for processing in one work line all working processes needed in cutting and folding a cutting blade in a shape suitable to a sheet matter molding. A cutting blade supplied from a transferring unit of the cutting blade is cut in a length suitable to a sheet matter molding configuration in a cutting molding unit adjacent thereto close-situated, simultaneously the cutting tip used in cutting is transferred together with the cutting blade to a folding device side through a guide member set which is to be contacted with the cutting molding unit, the cutting blade transferred to the folding device is folded in a predetermined shape by a folding member which performs a going-straight movement and a rotating movement, and thereby, at this time, the cutting tip is detached outside by a tare. Accordingly, a working efficiency and a productivity in the cutting and folding of the cutting blade are improved and increased.

Abstract: It is desirable to accurately subject a process object region of a long edged strip material to notching and bending processes. A bending apparatus and a notching apparatus are used. The process object region of the long edged strip material which is passed through an outlet of a die member of the bending apparatus is subjected to a notching process conducted by the notching apparatus. Next, the process object region is subjected to a bending process performed by the bending apparatus. Finally, the process object region is cut off from a not-yet-processed region. An encoder measures a pulled-out amount of the edged strip material obtained when the edged strip material is pressed by a presser against a shaping face of the outlet of the stationary die so as to be bent. A servomotor is operated by a rotation number in which the measured value of the encoder is considered, so that the edged strip material is fed by a predetermined length.

Abstract: The invention relates to a punching and forming tool for producing punched and shaped parts from sheets or foils which consist of material which can be deformed by overstretching. The punching and forming tool comprises upper tool carrier plate means and mating punching platemeans, which can be moved with respect to one another, drawing punch means arranged on the underside of the tool carrier plate means, thrust collar means surrounding the drawing punch means, elastic means arranged between the tool carrier plate means and the thrust collar means, a cutting rule means which arranged on the tool carrier plate, extending in the direction of the mating punching plate means and surrounding the thrust collar means, and a recess which is provided in the mating punching plate means and the inner circumferential edge of which is arranged below the end side of the thrust collar.

Abstract: A wheel spoke extrusion stretcher including a main shaft turned by a motor through a belt transmission mechanism, two driven shafts turned by said main shaft through helical gears, a main sliding block coupled to the driven shafts by a crank and holding an eye block die and a tool block, two transmission shafts coupled to the driven shafts by bevel gears and mounted with cam wheels, two sets of chucks respectively mounted on respective transverse sliding blocks and moved by the cam wheels to seize workpiece, a swing link turned to pick up workpiece from a feed plate by jaw chucks, and a swing arm turned about an axle by one cam wheel and having a hammer bit at one end, wherein when workpiece is picked up and gripped by the chucks, the main sliding block is moved forwards to force the eye block die onto workpiece, and then the chucks are opened in proper order as the eye block die is moved forwards, and then the hammer bit of the swing arm is moved downwards to hit the tool block, causing it to cut off workpie

Abstract: Apparatus (100) and method are provided for forming an eye at the end of a heated leaf spring blank (2). Apparatus (100) includes a forming plate (16) operative to move angularly downwardly against a cantilevered portion (10) of blank (2) and roll it about a retractable rotary eye pin (5) to form the eye. Apparatus (100) includes neutralizing the force created by forming plate (16) against blank (2) during the rolling operation and further preferably includes a scarf blade (14) operative to move angularly to scarf or shape the end of portion (10) prior to the rolling operation.

Abstract: A hand-held portable power tool for use in an operation for joining and fastening two or more abutting steel plates, the tool comprises: a housing unit; a clamp, a punch, a power mechanism and a punch actuator. The clamp is mounted on the housing unit and is movable from an open position to a clamped position. The clamped position is a position that enables the clamp to hold the abutting steel plates together and prohibit them from moving in relationship to each other. The punch is mounted within the housing unit and has a hollow ground chisel shape. The power mechanism is engageable with the punch and the clamp. The power mechanism is of sufficient capacity to clamp and hold the abutting steel plates together and to drive the punch through the abutting steel plates. The punch actuator is actuatable from an off position to an on position.

Abstract: A portable sheet bending brake comprising a base and a plurality of C-shaped members positioned on the base. Each C-shaped member comprises a lower arm fixed to the base and an upper arm spaced from and overlying the lower arm. A first member is fixed to the lower arms of the C-shaped members and has a longitudinally extending clamping surface. A second member for bending a workpiece is hinged to the first member and extends longitudinally with respect to the first member. A longitudinally extending clamping member is pivoted to the upper arm of the C-shaped members. A handle member is provided on the brake for moving the clamping member. A cutter rotatably supports opposed cutting rolls and includes first rollers engaging the clamping member and second rollers engaging the bending member.

Abstract: A combined sheet bending brake, coil holder and cut-off mechanism that includes a sheet bending brake having a support base, and elongated fixed and movable clamping members carried by the support base so as to clamp sheet stock extending longitudinally between the clamping members. A coil holder has a support frame removably cantilevered from one end of the support base. A trolley is removably mounted on the support frame, and has a pair of spaced rollers that extend axially in a direction transverse to the elongated fixed and movable clamping members on the brake for extending through and rotatably supporting a coil of sheet stock. Bars are carried by said support frame for releasably clamping a stock end extending from a coil on the trolley. A cut-off mechanism is removably mountable on the coil holder for severing sheet end stock extending from the holder into said bending brake.

Abstract: A process of forming a one piece weld free endoscopic shaver blade from an elongate metal cylindrical tube includes first cutting the tube first distal end to a predefined opening shape. A mandrel is inserted into the longitudinal tube with its working end adjacent the tube distal end. The tube distal end is further supported and a first die is forced thereon in a direction generally perpendicular to the elongate tube and forming the tube end and defining a shaver blade opening. A second die is forced onto the tube first distal end in a direction generally parallel to the tube longitudinal further forming the tube end and shaver blade opening. The formed shaver blade opening is then machined or edgeformed as needed to a final shaver blade opening and perimeter shape.

Abstract: An apparatus and method for forming a ball of relatively small diameter from metal wire includes a cutoff bar and a slide mechanism for shearing a length of metal wire from the remainder thereof at a first station to provide a blank with which a ball is subsequently formed and for transporting the blank to a second station and also includes a specially-designed punch assembly for forming the blank into a ball at the second station. The punch assembly includes a main slide body and a blank-engaging plunger assembly slidably mounted on the main slide body for sliding movement therealong wherein the plunger which is biased, by air pressure, from a retracted position to an extended position relative to the main slide body.

Abstract: A process for producing a handlebar stem includes Steps as follows: (1) providing a handlebar stem raw material piece comprising a cylindrical metal tube with a central axis and a thickened open end terminating in a margin and having an outer wall; (2) forming an annular recess from the outer wall in the vicinity of the margin, the annular recess having an outer shoulder and an inner shoulder both perpendicular to the central axis; (3) axially punching the open end of the raw material piece with a punching member to form a flange on the open end that is perpendicular to the central axis.

Abstract: A rebar fabricating machine is provided that is capable of processing either straight rod stock material or coil stock material. The rebar fabricating machine comprises a main cabinet, a horizontal power driven straightening module mounted adjacent to the upstream end of the main cabinet, a main drive module, a vertical straightening module, an encoder roll, a shear device and a bending head all mounted on the interior of the main cabinet. The main drive module includes a plurality of upper rolls each having a hydraulic cylinder attached thereto and a plurality of lower driven rolls driven by a single drive motor. The vertical straightening module includes a plurality of adjustable upper and lower straightening rolls. The horizontal straightening module is pivotally mounted on a base so that the horizontal straightening module can be selectively removed from the path of travel of the stock material.

Abstract: An installation for cutting a knife material which accurately cuts and produces an intermediate knife material to be supplied to a bending device for bending and forming a knife for working a sheet body. The installation is provided with a repository member horizontally stocking different kinds of assorted and piled knife materials, a conveyance conveying the knife materials at the repository member to a predetermined spot one by one from the uppermost material, a receiving mechanism horizontally receiving the knife material dropped from the conveyance, an inductive guidance mechanism adjusting the knife material to a proper position and guiding the longitudinal traveling of the knife material, a feeding mechanism feeding the knife material to the longitudinal direction, and a cutter cutting the knife material fed by the feeding mechanism to a predetermined length and produce an intermediate knife material.

Abstract: A portable sheet bending brake comprising a base and a plurality of C-shaped members positioned on the base. Each C-shaped member comprises a lower arm fixed to the base and an upper arm spaced from and overlying the lower arm. A first member is fixed to the lower arms of the C-shaped members and has a longitudinally extending clamping surface. A second member for bending a workpiece is hinged to the first member and extends longitudinally with respect to the first member. A longitudinally extending clamping member is pivoted to the upper arm of the C-shaped members. A handle member is provided on the brake for moving the clamping member. A track extends longitudinally on the portable sheet bending brake and a cutter is removably mounted on the track and is movable longitudinally of the track. The cutter comprises opposed cutting rolls adjacent the clamping surface when the cutter is on the track such that the cutter may be moved along the track to cut a workpiece.

Abstract: Method and apparatus for producing large-area metal, especially steel, plates. The metal strip unwound from a coil is continuously treated by a heat treatment followed by stretch-bend leveling and then stretcher-leveling, the latter being discontinuously carried out by clamping the strip at two locations and urging those locations apart. Only subsequently is the strip cut to form the plates.

Abstract: A metal rod (20) having a conical or pyramidal cut extremity (20a) is used to make a mandrel for blind rivets. The rod is held in place between a pair of die segments (11) such that its end (26) of a preset length, including the tip protrudes from an upper surface (14) of the segments. Subsequently, a free intermediate portion of the swageable end (26) is axially compressed to form a mandrel head (27) by a punch (12) which has a lower face (17) parallel to the upper surface (14) of the segments with a conical or pyramidal recess (18) formed on the end. The free intermediate portion of the swageable end (26) swells radially outward to form the head (27) having a flat flange (31) from which the tip intrudes. The mandrel, which has the head formed uniformly without any eccentricity about the longitudinal axis of a mandrel body, can be produced inexpensively using a prior art nail manufacturing apparatus.

Abstract: An optimizing controller for a straight rod stock processing stirrup bender which provides a production method enabling a combination of bent rod stock profiles in multiple counts to be delivered from each individual infed straight rod stock bar, whereby bent rod stock piece output is optimized through such an output combination so as to most efficiently utilize the available stock from each such infed straight rod stock bar and thereby to consistently minimize the tail piece wastage consistent with the stirrup bender tail piece handling capabilities, also thereby substantially reducing labor and waste and handling costs per ton which are otherwise normally associated with the processing of straight rod stock lengths through a stirrup bender.

Abstract: An automatic bending apparatus for bending a band-shaped work at a plurality of positions in sequence with intermittent feed of the work in a longitudinal direction thereof. The bending apparatus includes a swingable work holder for holding the work and a fixed bending jig for bending the work in cooperation with the work holder. The work projecting from an outlet of a passage formed in the holder is pressed against the jig by swinging the holder to approach it toward the jig. After bending the work, the holder is returned to a neutral position, and the work is fed to be projected from the outlet, then repeating the above operation. In marking the work with a cutter, a cutting sound detecting device such as a microphone is provided to detect whether the cutter has come into contact with the edge of the work. Further, a depth of cutting from the edge of the work is controlled to be constant on the basis of a timing of detection of the cutting sound.

Abstract: An apparatus and method is provided for the automated bending of continuous reels of metal strips, particularly for the bending of sharpened metal strip into steel rule dies. A sequence of steps is provided to perform a number of bends in the strip, at various positions on the strip, and of various magnitudes, in order to approximate the shape desired. Data containing the shape to be produced is introduced into a programmable computation and control system, which also contains data regarding the physical characteristics of the metal strip. An optical detection system is used to detect the shape produced at every step, and an electrical signal is fed back from the detection system into the computation and control system to compensate for any errors, particularly those errors caused by springback of the metal strip.

Abstract: A portable tool for forming louvers in a sheet metal work piece. The tool has a substantially C-shaped frame with an upper leg, a lower leg, and a body forming a throat in which the louvers are formed. A female die assembly is mounted on the lower leg of the frame. A male die is positioned in a carriage which slides longitudinally along the upper leg of the frame. Stops define the length of travel of the carriage and clamps hold the work piece between the female die assembly and the male die. An increasing cutting and forming force is applied to the male die, and against the work piece and the female die assembly, until a louver is cut and formed in the work piece.

Abstract: An apparatus for bending hollow profile strips into spacer frames for insulating glass panes, comprises an inclined supporting wall 1, at the bottom rim 8 of which at least one bending head 2 is arranged. A conveyor track 20 feds hollow profile strips to be bent into spacer frames. A device 40 transfers the hollow profile strips from the conveyor track 20 into supports 7 in the zone of the bottom rim 8 of the supporting wall 1. This assembly is provided behind the supporting wall 1. Thereby, the space behind the supporting wall 1 is utilized and the front side of the apparatus remains vacant so that it is accessible for an operator without any danger, and mounting space is saved.

Abstract: A shaft clutch mechanism, and method and apparatus for its production are disclosed. The shaft clutch mechanism has an upper body folded into a polygonal cross section with a plurality of fingers, each finger attached to and extending from a flat section of the upper body. The shaft clutch mechanism is pressed on to one end of an inner nested element of a telescoping body and is placed inside an outer element where the fingers are slightly deformed, providing slight friction sufficient to hold the inner element in place, but still allowing it to slide relative to the outer element. The method and apparatus for producing the shaft clutch mechanism use a two stage press and a bending device to take a continuous strip of material to form blanks which then are bent to form the shaft clutch mechanism that is pressed on to the inner element of the telescoping body.

Abstract: A straight rod stock processor and method for use thereof which incorporates the employment of a rod stock loader to effect automatic shakeout of a piece of straight rod stock in pulling the same from a pre-load bundle of infeed stock and delivery to a set of secondary rod stock compression rollers interposed between the rod stock loader and a stirrup bender just forward of the stirrup bender head on the infeed side thereof so that essentially the entire length of an infed rod stock piece may be thereby positioned and controlled in delivery to the stirrup bender head for processing thus substantially reducing labor and waste and handling costs per ton which are otherwise normally associated with the processing of straight rod stock lengths through a stirrup bender.

Abstract: Bending-shaping machine for sections with a bending unit (12) located downstream of an assembly (14) that draws and/or straightens sections (15), a shearing unit (11) being interposed, in which machine a drawing unit (13) is comprised downstream of the bending unit (12) and on the same axis as the section (15) and has a first normal working position (13N) and a second downwardly retracted position (13S), the bending unit (12) having a third raised working position (12A) with a section (15) positioned above the shearing unit (11) and above the assembly 14) that draws and/or straightens sections (15).

Abstract: A plurality of notches are formed in one or both ends of long pieces of sheet metal by means of a notched template and a notching tool. The notches establish the break lines on the pieces. The side edge of a sheet metal bending brake is provided with an attachment having a pointed notch receiving and locating edge intersecting the bending axis of the brake which automatically positions the stock for bending. After a bend is made on a break line, the stock is repositioned and another notch used to self-align the stock on another break line. By turning the stock over, notches in the other end can be used to position and locate a break line to perform breaks in an opposite bending direction. Labor cost is greatly reduced, waste due to improper positioning is reduced, and more accurate reproducible bends produce greater uniformity in the finished pieces.