Abstract: A clinching apparatus includes a clinching punch having a specifically dimensioned tapered surface which improves the strength of a clinch joint created therewith. In another aspect, a tapered surface adjacent a distal end of a clinching punch has an angle of 20-35° relative to a distal end. A further aspect of a clinching apparatus provides a tapered surface adjacent a distal end which is configured in accordance with a specific formula.

Abstract: A forging mold includes a female mold and a male mold coupling with the female mold. The female mold includes an external mold defining an accommodating groove for receiving an internal mold and a pressing block therein, and a first fixing hole penetrating through the external mold and connected with the accommodating groove. The pressing block has a gap opened at a bottom portion thereof and adjacent to the internal mold. The internal mold has a base body and a blocking protrusion protruded from a bottom portion of the base body to be pressed in the gap. A first fixing element is screwed into the first fixing hole of the external mold with a distal end thereof resisting against the pressing block to further press the pressing block towards the internal mold so as to secure the internal mold and the pressing block in the accommodating groove.

Abstract: A recoilless bucking bar system that includes a cylindrical housing with a first housing end and a second housing end, a tip adaptor shaft with a neck portion and a mouth portion, a spring, and compression springs. The neck portion has a neck portion first end and a neck portion second end. The neck portion first end is partially disposed within the cylindrical housing. The mouth portion can grip a bucking bar tip. The gripped bucking her tip is able to be inserted in a space such that the system can be used as a bucking bar. The spring is axially disposed within the cylindrical housing at the second housing end. The spring communicates with the neck portion first end, and is axially aligned to the tip adaptor shaft. The compression springs are disposed around the circumference of the neck portion that is partially disposed within the cylindrical housing.

Abstract: Provided is a tooling system for use in an associated press comprising a lower tool shoe, an upper tool shoe, a first set of tooling plates, and a second set of tooling plates. The lower tool shoe comprises an upwardly facing surface, part of a shoe locator set defining an axis of elongation, a first locator element defining an axis of elongation, and an offset second locator element defining an axis of elongation. The upper tool shoe comprises a downwardly facing surface, part of a shoe locator set defining an axis of elongation, a first locator element defining an axis of elongation, and an offset second locator element defining an axis of elongation. The first set of tooling plates comprises a first lower tooling plate and a first upper tooling plate. The second set of tooling plates comprises a second lower tooling plate and a second upper tooling plate.

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

Abstract: A die assembly is provided, which is structured to be affixed to a shell press. The die assembly includes at least one die shoe having first and second opposing ends, and a number of divisions between the first end and the second end. The divisions are structured to divide the at least one die shoe into a plurality of pieces to accommodate thermal expansion. Each of the divisions between the pieces of the at least one die shoe has a profile. Preferably, the profile is not straight. Each of the divisions of the at least one die shoe form a gap between the pieces of the die shoe, thereby spacing the pieces apart from one another. The pieces are independently coupled to a corresponding mounting surface of the shell press. A shell press and a method for employing the die assembly in a shell press are also disclosed.

Abstract: A rolling-circle machine for rolling a workpiece includes at least one first rolling portion, a second rolling portion connected to the first rolling portion, and at least one adjusting screw. The first rolling portion includes one or more first concaved sections for rolling the workpiece and at least a through hole. The second rolling portion includes one or more second concaved sections for rolling the workpiece. The second concaved section forms one or more rolling slots in cooperation with the first concaved section. The adjusting screw includes a threaded post passing through the through hole of the first rolling portion and one end of the threaded post is fixed in the second rolling portion. The adjusting screw is configured for adjusting a distance between the first and the second rolling portion to roll workpieces that have different dimensions.

Abstract: An adjustable die set and method for forming corrugations in a sheet in which pairs of elongated forming bars are detachably mounted parallel to each other in respective holders driven by upper and lower press members. One pair is more closely spaced than the other and moves between the forming bars of the other pair to form a corrugation. The spacing and depth of the bar is varied to produce corresponding varying configurations of the corrugations.

Abstract: A guided keeper assembly and method for metal forming dies includes a base having a flat mounting face and at least one marginal fastener aperture to detachably mount the base to an associated die shoe, as well as a central guide aperture. The assembly also includes a guide pin having a central portion closely received in the central guide aperture of the base for precisely guiding reciprocal motion between the die pad and an associated die shoe. The guide pin has an enlarged head at a first end thereof which abuts the mounting face of the base to positively limit travel between the die shoe and the die pad, and a shoulder at the opposite or second end thereof with an alignment mechanism that precisely locates the second end of the guide pin on the die pad. A first fastener extends through the marginal fastener aperture in the base to securely, yet detachably, connect the same with the die shoe. A second fastener securely, yet detachably, connects the second end of the guide pin with the die pad.

Abstract: A die assembly is provided, which is structured to be affixed to a shell press. The die assembly includes at least one die shoe having first and second opposing ends, and a number of divisions between the first end and the second end. The divisions are structured to divide the at least one die shoe into a plurality of pieces to accommodate thermal expansion. Each of the divisions between the pieces of the at least one die shoe has a profile. Preferably, the profile is not straight. Each of the divisions of the at least one die shoe form a gap between the pieces of the die shoe, thereby spacing the pieces apart from one another. The pieces are independently coupled to a corresponding mounting surface of the shell press. A shell press and a method for employing the die assembly in a shell press are also disclosed.

Abstract: A tooling system comprises a plurality of elements (24) arranged in an array, each element being supported on a cross rail (22) and being moveable relative to the other elements in the array. Each element terminates in a threaded support post (25) extending from a first end of the element, and is associated with a corresponding internally threaded aperture in the cross rail upon which the element is supported. The tooling system further comprises an adjusting component in the form of a fork (46) which is driveable in rotation and engageable with an element of the array to drive the element in rotation, upon rotation of the fork.

Abstract: A guided keeper assembly and method for metal forming dies includes a base having a mounting face, a connector portion and a central aperture. A guide pin has a cylindrical center portion closely received in the central aperture of the base for reciprocation, an enlarged first end with an alignment member, and an outwardly opening circumferential groove. A retainer ring is removably mounted in and protrudes radially outwardly of the groove to securely, yet detachably, retain the base on the guide pin between the enlarged head and the retainer ring in an assembled condition to facilitate transport and mounting of the guided keeper assembly.

Abstract: The inventive crimping tool (1) comprises a pushing head (2) which contact the fold (3) of a sheet (4) and has a front convex contour (5) in a plane view and a guiding seat (6) applicable to the sheet (4), wherein the pushing head (2) and the guiding seat (6) are remote from each other and define therebetween a groove (7) bounded by faces (8, 9) which are opposite in a substantially parallel direction with respect to the pushing head and the seat. The thickness (e) of said groove (7) substantially corresponds to the thickness of parts to be crimped, the front face of the pushing head is convexly connected to said flat face delimiting the groove and the bottom (10) thereof and extends along a convex contour, in particular substantially in a parallel direction with respect to the front face (5) of the pushing head (2).

Abstract: The invention generally relates to a curling assembly for curling metal shells. The curling assembly has a shell support member having a flange extending from a foundation of the shell support member with the flange having a first aperture and a second aperture passing through the flange. An outer curler segment is coupled to the shell support member. An adjustment screw passes through the first aperture of the flange with the adjustment screw being structured to engage the outer curler segment. Actuation of the adjustment screw would position the outer curler segment. The second aperture of the flange is structured to receive a fastener for coupling the shell support member to a base of a curling unit. A curling unit for curling metal shells is also provided. A press in combination with a curling unit for curling metal shells is also provided.

Abstract: A guided keeper assembly and method for metal forming dies includes a base having a flat mounting face and at least one marginal fastener aperture to detachably mount the base to an associated die shoe, as well as a central guide aperture. The assembly also includes a guide pin having a central portion closely received in the central guide aperture of the base for precisely guiding reciprocal motion between the die pad and an associated die shoe. The guide pin has an enlarged head at a first end thereof which abuts the mounting face of the base to positively limit travel between the die shoe and the die pad, and a shoulder at the opposite or second end thereof with an alignment mechanism that precisely locates the second end of the guide pin on the die pad. A first fastener extends through the marginal fastener aperture in the base to securely, yet detachably, connect the same with the die shoe. A second fastener securely, yet detachably, connects the second end of the guide pin with the die pad.

Abstract: Adjustment of the tools (24) on the tool holder (10) in an Aerial Cam of a metal stamping press may be readily effected by opening the press to remove the upper die (14) from the stamping area and then removing the tool holder (10) on the driver (18) for controlled reciprocation simulating normal operation of the press. The tools (24) may then be adjusted in relation to the workpiece without the interference of the press dies (14 and 20).

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

Abstract: An indexable spring coiling point tool, for use on spring coiling machines, includes a holder for mounting in a spring-forming station of a spring coiling machine. The holder has a base end and a working end configured to engagingly receive a coiling point. The tool also includes a coiling point configured for attachment to the working end of the holder. The coiling point is formed of a material comprising a metal carbide, and is removably attachable to the working end of the holder. The coiling point can take the form of an insert or another attachment which can be removably affixed to the working end of the holder.

Abstract: An upper die holder apparatus having a holder body has an upper die clamp supported to the holder body with a supporting point supporting the upper die clamp in a vicinity of a center in a vertical direction of the holder body. A clamping force applier is provided to the holder body for pressing an upper portion of the upper die clamp so that the upper die clamp clamps the upper die. A pressure receiver is provided to an upper portion of the upper die clamp. The pressure receiver, having a pressure sensing surface, is provided so that its advancing and retreating are adjusted to a pressing direction by the clamping force applier and the pressure receiver is provided so that an opening amount of the upper die clamp at the time of unclamping is freely selected between a plurality of stages.

Abstract: A apparatus for the paint-less dent repair of vehicles, for applying a leverage force between a rigid internal structure and an inside surface of a panel to be straightened, is disclosed. The apparatus includes an elongated lever, a first tool head attached to the elongated lever proximate to the distal end, and a second tool head attached to the lever between the proximal end and the first tool head. The tool heads are attached to opposite sides of the lever facing opposing directions.

Abstract: A device 10 for securing a punch 13 to a press brake 44 includes a first member 12 removably inserted into an aperture 32 in the punch 13, a second member 14 integrally joined to the first member 12, a set screw 18 extending through the first and second members 12 and 14 to ultimately engage a wall 64 of the aperture 32 to maintain the horizontal position of the first and second members 12 and 14 relative to the punch 13, an extension portion 36 of the second member 14 that ultimately engages a cooperating portion 42 of the press brake 44, and a lip portion 46 that horizontally positions the extension portion 36 adjacent to a top wall 26 of the punch 13 thereby promoting accurate engagement with the cooperating portion 42 of the press brake 44.

Abstract: A sheet metal dent removing device for combining a drill and a slide hammer used for removing dents. The sheet metal dent removing device includes an electric drill. The electric drill includes a body having a distal end, a proximal end and a peripheral wall extending between. A handle extends from the peripheral wall and is positioned generally adjacent to the proximal end. An actuating means turns the electric drill on and off. A shaft is elongate and has a first end and a second end. The first end of the shaft extends into the distal end of the body. The electric drill is adapted to rotate the shaft. A drill bit has a first end and a second end. The first end tapers to a point and the length of the drill bit is threaded. A coupling means removably couples the drill bit to the second end of the shaft. A slide hammer comprises a tubular member having an aperture extending therethrough.

Abstract: A quick-release apparatus for use with slide hammers includes a shaft adapter portion which is threaded onto the slide hammer shaft and at least one tool adapter portion which is threaded onto the hook or tool to be used. The shaft adapter portion and tool adapter portion are mechanically engaged and disengaged by pulling down on the locking collar on the shaft adapter portion and turning the tool adapter portion ninety degrees, then sliding the tool adapter portion off the shaft adapter. The same or different tool can then be installed by aligning the shaft adapter lugs with the slots on the tool adapter and pushing the tool adapter on, then turning the tool adapter ninety degrees until the positioning lugs on the locking collar engage.

Abstract: A modular tooling system for use in combination with a conversion press has an upper base member adapted to be removably mounting into the conversion press, a tooling holder, a tooling insert and means for retaining the tooling insert within the tooling holder. The tooling holder is adapted for attachment to the upper base member. The tooling holder defines a chamber therein extending therethrough. The chamber includes a shoulder portion. The tooling insert is adapted to be removably mounted in the tool holder. The insert has a first end, a second end, and a shoulder portion adapted to cooperate with the tooling holder shoulder portion. Bushings and spacers secure the insert within the tooling holder. Both the tooling holder chamber and the tooling insert are of a predetermined cross section which are adapted to correspond with each other and define a keyed relationship.