Abstract: A crimping pliers (1) includes a base (10), a guiding plate (20), a crimping member (30) and a compression handle (40). The base (10) includes a receiving space (11), a pivotal attachment portion (13) and an actuation section (14) having a crimping opening (141). The guiding plate (20) with a guiding hole (21) is installed in the receiving space (11) and corresponding to the crimping opening (141). The crimping member (30) is installed inside the receiving space (11) and comprises a connecting rod (31) attached to a sliding member (32) having a crimping portion (322) connected to the guiding hole (21) and corresponding to the crimping opening (141). The compression handle (40) is configured to drive the crimping portion (322) to move inside the crimping opening (141). Therefore, a uniform compression force is ensured to be applied to the connector and the conductive wire by the crimping portion.

Abstract: A duct making apparatus includes a first station configured to accept a formable sheet material and a second station configured to receive the formable sheet material from the first station. The first station includes a mechanism for forming one of a male lock bend and a female lock seam in a leading edge of the formable sheet material. The second station includes a retractable conveyor. Movement of the sheet material from the first station to the second station defines an axis of travel of the sheet material. The retractable conveyor is selectively movable from a first position in which the retractable conveyor is in close association with the first station, and a second position in which the retractable conveyor is spaced from the first station.

Abstract: An apparatus for making a cold-pilger-rolled tube has two grooved pilger rolls rotatable about respective axes to compress a workpiece moving in a travel direction against a mandrel extending in the direction between a nip formed between the rolls and anchored upstream of the nip in a thrust block. Workpiece thickness is adjusted on the fly by measuring a wall thickness of the workpiece downstream in the direction from the roll as the workpiece passes through the nip and for displacing the thrust block and mandrel in to the travel direction as the workpiece passes through the nip in accordance with the measured wall thickness.

Abstract: A cup feed assembly for a can bodymaker with a vertically oriented, reciprocating, elongated ram assembly is provided. The cup feed assembly includes a chute assembly, a rotatable feeder disk assembly, and a cup locator. The chute assembly includes a transfer chute. The transfer chute includes an outer second side member, a first end and a second end. The transfer chute first end is in communication with the feeder chute outlet end. The outer second side member at the transfer chute second end includes a first biasing device. The cup locator defines a holding space, the holding space in communication with the transfer chute second end. The feeder disk assembly is structured to move a cup disposed at feeder chute outlet end through the transfer chute into the cup locator. The first biasing device is structured to maintain a cup in the holding space.

Abstract: A toolpack for a can bodymaker with a vertically oriented, reciprocating, elongated ram assembly is provided. The toolpack includes a tool pack housing assembly, a number of die spacers, a number of dies, and a compression device. The tool pack housing assembly defines a passage and includes an inner surface, an upper sidewall, a lower sidewall, a first lateral sidewall, a second lateral sidewall, a rear sidewall, and a door. The tool pack housing assembly passage extends generally vertically. Each die spacer structured to support a die and defining a central passage. Each die including a body defining a central passage. The die spacers and dies are disposed in said tool pack housing assembly. The compression device is disposed at said tool pack housing assembly lower sidewall and is structured to axially bias said number of die spacers.

Abstract: An asymmetric extrusion method, an extruded material extruded using the same, a die for asymmetric extrusion, and an asymmetric extrusion apparatus. According to the asymmetric extrusion method, an extruded material having a plate shape is formed by pushing an extruding material through a die including an extrusion hole having an asymmetric shape with respect to an extrusion direction of the extruding material, so as to extrude the extruding material while inducing shear strain in the extruding material.

Abstract: An apparatus produces a tubular structure having a longitudinal axis and at least one form extending helically inward from the structure relative to the longitudinal axis. The apparatus includes an extruder including at least two spaced apart extrusion die surfaces adapted to extrude plastic state material therethrough. At least one extrusion die has at least one nonplanar channel having facing nonplanar surfaces configured and disposed such that during extrusion of the material through the at least one extrusion die, material flowing into the channel creates the at least one form. The channel surfaces direct material flow such that the at least one form and the structure exiting the extruder and last contacted by the at least one die of the extruder collectively helically rotate about the longitudinal axis.

Abstract: A method for producing rolled products includes providing two parallel lines downstream of a continuous casting, for conveying profiled supply sections that converge together at least at a single first rolling station. A plant for implementing the method is also provided.

Abstract: A refitting mechanism for measuring a flatness value of a workpiece and refitting the workpiece includes a worktable, a refitting assembly, a measuring unit, and a controller. The refitting assembly is movably assembled to the worktable. The holding assembly is assembled to the worktable and adjacent to the refitting assembly for holding the workpiece on the worktable. The measuring unit is assembled to the refitting assembly. The controller is electrically connected to the refitting assembly, the holding assembly, and the measuring unit. The measuring unit measures a flatness value of the workpiece and transfers the flatness value to the controller. The controller compares the flatness value with a preset value range to determine whether the workpiece is qualified or not. When the workpiece is not qualified, the controller controls the holding assembly to hold the workpiece, and controls the refitting assembly to refit the workpiece.

Abstract: A sheet metal member shape-forming system and method includes a mold consisting of a sealing die defining therein a sealing cavity and an air hole and a shape-forming die defining therein a shape-forming cavity, a compressed gas guided through the air hole into the sealing cavity, a sheet metal member placed on the shape-forming die that is pre-heated in an out-mold heating zone prior to deliver to the molding zone, a lift unit controlled to move the shape-forming die and the sheet metal member to the sealing die and to impart an upward pressure on the shape-forming die against the sheet metal member and the sealing die during continuous supply of the compressed gas into the sealing die cavity to compress the sheet metal member against the upward pressure, enabling the sheet metal member to be rapidly compression-molded into a shaped metal component.

Abstract: An improved knurling device (20) includes a body (21) having an axis of elongation (x-x), and has a first part (22) and a second part (23). The body first part has axially-spaced front and center plates (24, 25, respectively). The body second part is mounted on the center plate, and is selectively rotatable about the axis relative to the center plate. A plurality of knurl rolls (26, 26, 26) are mounted on the body first part between the front and center plates. An arbor (28) is axially mounted on the body second part, and is biased to move toward the front plate. The end of a rotating workpiece (W) is adapted to be axially inserted through the front plate and moved toward the body second part between the knurl rolls to roll a knurl pattern on the workpiece. The angular relationship between the knurl rolls is continuously maintained at all times.

Abstract: When forming a hat-shaped cross section member having, on its cross section perpendicular to its longitudinal direction, vertical wall portions on both sides, and flange portions on both sides connected to the respective vertical wall portions, and a top sheet portion connected to the vertical wall portions on both sides, and having a bent portion bent in the longitudinal direction with the flange portions positioned outside by using punches and dices, a dice shoulder radius of the dice for obtaining the shape of the hat-shaped cross section member is set to R0, the hat-shaped cross section member is formed by the dice having a dice shoulder radius R1 larger than the dice shoulder radius R0, and then the hat-shaped cross section member is formed by the dice having the dice shoulder radius R0.

Abstract: A squeeze roll stand includes a combination of a fixed portion installed at a joint position of an electric resistance welded pipe manufacturing line, in which squeeze rolls excluding left and right upper rolls are detachably assembled, and a movable portion overlying the fixed portion, inside which left and right upper rolls are detachably assembled, the movable portion being inclined, taking a back surface downstream side as a fulcrum point, toward a same side from an assembling position on the fixed portion to a retreat position to open an upper part of the fixed portion. The movable portion is driven and reciprocated between the assembling position and the retreat position with cylinder type actuators as a drive mechanism. At the retreat position, the movable portion overlies a bead grinding device arranged on the back surface downstream side of the fixed portion with a front surface facing upward.

Abstract: A manufacturing apparatus that manufactures flattened tube fins, in which cutaway portions for inserting flattened tubes for heat exchanging are formed, includes: a press apparatus provided with a mold apparatus that forms the cutaway portions in an unmachined metal thin plate to produce a metal strip; an inter-row slit apparatus cutting the metal strip into predetermined widths to form a plurality of metal strips of a product width; a cutoff apparatus cutting each metal strip of the product width into predetermined lengths; a holding apparatus that holds a plurality of metal strips of the product width that protrude from a downstream side in the conveying direction of the cutoff apparatus; and a stacker apparatus for stacking the flattened tube fins that have been cut into predetermined lengths by the cutoff apparatus.

Abstract: A method of producing pressed metal sheet parts in an integrated process to prepare blanks of non-uniform thickness includes the steps of heating a steel sheet blank in heating equipment to the austenite region of the steel of the sheet steel blank in question, then forming the blank into a flat semi-finished product of non-uniform thickness in forming equipment, then immediately thereafter, without any further hearting of the semi-finished product, deep drawing the semi-finished product in deep drawing equipment into a final spatially shaped part. The method may further include cooling down the final spatially shaped part either during the drawing step or immediately after the deep drawing step in a manner which causes the final spatially shaped part to develop hardening microstructure, which imparts high strength to the final shaped part with non-uniform wall thickness.

Abstract: A method and apparatus for making a collar to the end of a pipe. The apparatus comprises an attachment clamp surrounding the pipe and a body part, connected by hinging to a pivoting cradle having a forming cone, which can enter the end of the pipe. In the method, the forming cone is moved axially and obliquely to the central axis of the pipe, inside the pipe until it contacts the inner surface of the pipe, the forming cone being loaded with the desired load pressure against the inner surface. The forming cone is then pivoted using a pivoting cradle outwards from the central axis of the pipe, around the inner edge of the attachment clamp, and the forming cone and pipe are simultaneously rotated with respect to each other around the central axis of the pipe until the desired collar has formed.

Abstract: A compact roll arrangement has a device and method for regulating the roll nip so that intermittently coated films may be calendared precisely. A bearing block is arranged in a bearing jewel, and first lever arms of the clamping latch of the upper roll and the lower roll are connected rigidly to one another. Bearing jewels which lie opposite to one another, of the upper roll and the lower roll are connected to one another via a second actuating element. A controller acts on first and second actuating elements, so that the first actuating elements are moved to adjust the roll nip according to a predetermined thrust and a predetermined linear load, and the second actuating elements are moved to maintain the bearing jewels in a relative rest position which is defined by specified densification of a material web passing the roll nip.

Abstract: Disclosed herein is an ultrasonic extrusion apparatus which causes resonance of an extrusion die using ultrasonic vibrations, thus reducing friction between the extrusion die and an extrusion material. The ultrasonic extrusion apparatus has an increased number of ultrasonic vibrators provided around the extrusion die in the circumferential direction to increase the vibration output, whereby when extruding a metal material such as a magnesium material, friction between the metal material and the extrusion die can be reduced, thus improving the performance of the extrusion process (preventing a reduction in an extrusion rate, generation of heat, cracking of a product, errors in measurements, etc.).

Abstract: A rotary swaging machine comprises a tool unit having a tool space which receives a plurality of shaping swaging tools. The swaging tools are used for processing a workpiece which can be introduced into the tool space. A front cover locking mechanism of the tool unit includes an actuation device and is provided for locking a front cover of the tool unit in a position in which the front cover at least partially covers the tool space at a tool space side. In order to change swaging tools, the front cover can be unlocked and moved into a position in which the front cover releases the tool space for removal or insertion of swaging tools at the tool space side.

Abstract: A guide cutting tool for use in cutting metal studs used in wall construction includes a plate having generally opposite notches. Each notch has a straight notch guide wall extending generally inwardly towards the corresponding straight notch guide wall of the opposite notch at a generally perpendicular orientation from a corresponding side of the plate, with the two straight notch guide walls being generally collinear with one another. A spacer, for use in cutting metal studs, is formed with a guide cutting tool located at each longitudinal end of a connector member.