Abstract: A method for rolling rolling stock, wherein a water-based cooling lubricant is applied to the rolling stock and/or to at least one roller which forms a roll gap, at least one water-soluble and tribologically active additive being added to the water-based cooling lubricant prior to application to the rolling stock and/or to the at least one roller.

Abstract: An apparatus has a corrugating device through which a pipe is moved producing corrugation in the circumferential direction of the pipe by rotation. The corrugating device has a corrugator head which is rotatable about its axis, and a hollow shaft on which the corrugator head is firmly fitted and via which the corrugator head is driveable in rotation. A vibration measuring means is connected mechanically to the corrugating device for automatically detecting mechanical vibrations of the rotating corrugating device. The vibration measuring means simultaneously detects measured values for vibrations of the hollow shaft which are characteristic of the state of the hollow shaft bearings and measured values for vibrations of the corrugator head which are characteristic of the balancing thereof. A display apparatus displays the measured values detected thereby and/or evaluation results based on the measured values is furthermore provided.

Abstract: An exemplary device and method for roller swaging a tube and a fitting includes a controller configured to terminate swaging in response to receiving a signal generated by a torque sensor. The torque sensor is configured to generate the signal indicative of a torque rise associated with a flow of tube material consisting of flow in an axial direction through a front or a rear of the fitting.

Abstract: An upper die part includes an embossing bell, a stripper ring, and an inner shape embossing element. The stripper ring has an embossing surface with a corrugated profile on the embossing surface. A lower die part includes an embossing anvil having a corrugated profile on its embossing surface. The embossing bell and the inner shape embossing element each are provided with an embossing shoulder, which are disposed, with respect to the corrugated profile of the stripper ring, in the stroke direction in such a way that the shoulders can seize the burrs only alter the corrugating step. The corrugating step takes place prior to burr compression. The outer and inner contours of the disk are not able to change positions, but are able to change shapes on the burr side after the corrugating step.

Abstract: A thread rolling die includes a thread rolling region comprising a working surface including a thread form. The thread rolling region of the thread rolling die comprises a sintered cemented carbide material having a hardness in the range of 78 HRA to 89 HRA. In certain embodiments, the thread rolling die may further include at least one non-cemented carbide piece metallurgically bonded to the thread rolling region in an area of the thread rolling region that does not prevent a workpiece from contacting the working surface, and wherein the non-cemented carbide piece comprises at least one of a metallic region and a metal matrix composite region. Methods of forming a thread rolling die as embodied herein are also disclosed.

Abstract: The present invention provides an extrusion press which eliminates unevenness of dynamic and thermal fatigue degrees of the hydraulic devices which form the hydraulic circuit in the extrusion press, the electric motors which drive the hydraulic pump, the control devices, etc., which makes the dynamic and thermal fatigue degrees and remaining service lives of the component devices even, and which is excellent in energy saving effect. An extrusion press which has a plurality of variable capacity type hydraulic pumps connected to it in parallel for supplying working oil to hydraulic cylinders of the extrusion press, uses a preset working speed as the basis to find the required discharge rate of the hydraulic pumps, and selectively controls the drive operations of the hydraulic pumps, wherein the order of selection of the hydraulic pumps which are selectively controlled in drive operation is controlled by a program which progressively advances when a predetermined number of molding cycles are completed.

Abstract: This invention relates to a solenoid housing and to a method for providing a solenoid housing having the base, wall, center pole, and flange integrally connected as a single piece. The instant invention provides for mounting protrusions and window for electrical leads as an integral part of the housing and manufacturing process.

Abstract: A device 10 for drawing a tubular workpiece is provided with a drawing die 20 and a drawing plug 30. The drawing die 20 includes a first curved surface section 1C from which the workpiece 40 is detached while being reduced in diameter, a die bearing section 2B arranged radially inward of and downstream of a workpiece separation point K of the first curved surface section 1C, and a guide section 2D having a second curved surface section 2C which smoothly continues to an upstream end of the die bearing section 2B and configured to again come into contact with the workpiece 40 detached from the first curved bearing section 1C to guide the workpiece to the die bearing section 2B while reducing a diameter of the workpiece 40. The drawing plug 30 has a plug bearing section 3B shorter than a length L4 of the die bearing section 2B. The plug bearing section 3B is arranged at a position corresponding to the die bearing section 2B.

Abstract: The method for forming a turbofan mixer comprises providing a single monolithic and generally flat annular sheet metal blank, providing a die surface substantially corresponding in shape to a turbofan mixer shape, positioning the blank with reference to the die surface, and forcing the blank against the die surface to transform the blank into a monolithic turbofan mixer.

Abstract: The present invention discloses a process of manufacturing forged components using a combination of open die and closed die forging, and machining. The process involves the steps of cogging of the ingot, upsetting the cogged bloom in two steps to form a preform, closed forging the preform on a hammer, rough machining, heat treatment, semi-finishing, and finally finishing the component. The present invention is applicable to any forged components that are used in variety of industries, particularly those which are formed from large ingots. The invention is particularly useful for safety- and application-critical components such as a fluid end which is used in oil and gas industry. With the process of the present invention, 55 to 60% of the shape and size of the final component is achieved through forging and remaining 40 to 45% through machining.

Abstract: A device and methods are provided for deep rolling. In one embodiment, a deep rolling tool includes a fork having a base section and a plurality of fork arms, wherein each fork arm extends outwardly from the base section and wherein the fork arms are separated from one another to form an opening. The deep rolling tool may also include a plurality of rolling elements configured to apply a compressive stress to articles received by the deep rolling tool, wherein each rolling element is mounted at the distal end of a fork arm, and wherein each rolling element includes a cantilever shaft retained by a fork arm and a crowned roller.

Abstract: A can end for a two-piece beverage container has a curl positioned about a longitudinal axis which defines an outer perimeter of the can end. A circumferential wall angles downwardly and radially inwardly relative to a radially inner portion of the curl. A strengthening member extends radially inwardly relative to the circumferential wall. A center panel extends radially outwardly from the longitudinal axis towards the strengthening member and has a diameter greater than 87.7% of an overall diameter of the can end. A frangible score and a hinge portion define an openable tear panel in the center panel. A stay-on tab is attached to the center panel and has a nose portion overlying the tear panel opposite a lift end of the tab.

Abstract: A method and device for cooling a preliminary strip of metal in a hot rolling mill including work rolls by spraying a cooling agent on to the preliminary strip, screening the preliminary strip in an edge area of the strip from influence of the cooling agent, and deflecting the cooling agent in the area of the strip edges of the preliminary strip, wherein the cooling agent is deflected from the strip edges in an area of an inlet guide of a work a work roll.

Abstract: A clamp block kit for use on a machine having an adjustment mechanism employing a shaft and associated nut. The clamp block kit comprises a clamp block assembly securable about the nut and a mounting rail fastenable to the clamp block assembly with at least one second fastener. The clamp block assembly includes a first clamp including at least one threaded first hole, a second clamp including at least one second hole alignable with a respective first hole when in an assembled state, and at least one first fastener for extending into the aligned first and second holes.

Abstract: A load-applying device of a press-forming die includes a rod which includes a first end, a second end, and a flange, a lamination coned disc spring in which a plurality of coned disc springs having a center hole, to which the first end of the rod is inserted, are laminated, a first plate which includes a first through hole to which the first end of the rod is inserted and abuts the lamination coned disc spring, a second plate which includes a second through hole to which the second end of the rod is inserted and abuts the flange; and a gap fixing member which is detachably provided between the first plate and the second plate and fixes a gap between the first plate and the second plate so as to maintain the gap by which the lamination coned disc spring biases the flange to the second plate. The second end and the first plate relatively move in a mutually approaching direction during press-forming, and the lamination coned disc spring is compressed.

Abstract: In a bending head for bending rod-shaped and tubular workpieces, with a retainer that can be rotated about a rotational axis and that carries a bending mandrel at one axial end, and with at least two further tools, which each comprise a retaining body with, at its axial end facing the bending mandrel, a bending pin and which can each be rotated—in each case independently of the other tools—the retaining bodies of the tools are arranged concentrically to the retainer of the bending mandrel and pivotable about its rotational axis.

Abstract: A method and apparatus for bending an elongate member. A plastic force may be applied to the elongate member. The plastic force may be configured to cause the elongate member to bend with a plastic deformation. The plastic force may be reduced to an elastic force that is applied to the elongate member after the plastic force causes the elongate member to bend with the plastic deformation.

Abstract: A forming machine for forging metal workpieces which have been heated and/or are in a flowable condition including at least two forming tools (4A, 4B), at least one driving device for driving at least one of the forming tools in an approach motion (R) of the forming tools toward one another or in a return motion of the forming tools away from one another, and wherein the driving device comprises at least one eccentric element (22A, 22B) and at least one hydraulic drive element (11A, 11B), wherein the at least one hydraulic drive element (11A, 11B) is coupled hydraulically directly or indirectly to the eccentric element (22A, 22B) in such a way that an eccentric motion of the eccentric element produces a working motion of the hydraulic drive element by way of a hydraulic medium.

Abstract: Provided is a hot upset forging method enabling high shape precision to be obtained. The hot upset forging method includes inserting a workpiece (1), with a bottom face diameter d and a height h satisfying h/d>3, into an insertion hole provided passing through a mold (2) of a height H disposed on an anvil (4), and increasing the diameter of the workpiece (1) while decreasing the height of the workpiece (1) to form a forged material. The mold satisfies the following relationships (1) to (3). (1) A shape of the insertion hole and the cross-sectional shape of the workpiece are substantially similar shapes. (2) The height h of the workpiece (1)?the height H of the mold (2). (3) A largest diameter dl of the workpiece 1, and the maximum inner diameter D of the insertion hole, in the height range of the workpiece (1), satisfy dl<D?dl×1.5.

Abstract: The invention relates to a method for to-be-cooled surface of cast material, rolled material (1) or a roll. Provided for the method is a nozzle, which comprises an inlet (3) and an outlet (5) lying opposite the surface to be cooled. Also provided is a preferably single-phase volume flow (V) of a cooling fluid, which is fed to the nozzle (2) via the inlet (3) and leaves the nozzle (2) through the outlet (5). According to the invention, the nozzle outlet (5) is mounted at a variable distance (d) from the surface to be cooled, wherein the volume flow (V) of the cooling fluid fed to the inlet (3) of the nozzle (2) is set in such a way that, in accordance with the Bernoulli principle, the nozzle (2) is sucked firmly against the surface (1) to be cooled. In addition, the invention is directed to a cooling device (10) for carrying out the method according to the invention and to a rolling device comprising this cooling device (10).