A method is used to manufacture a drawn tube having a hollow low interior for housing an axle shaft. The method includes the steps of placing a billet into a first die assembly and pressing the billet into the first die to producing a pre-formed billet. The method also includes the steps of moving the pre-formed billet from the first die assembly to a second die assembly and pressing the pre-formed billet into the second die assembly to produce an extruded tube. The method further includes the steps of moving the extruded tube from the second die assembly to a third die assembly and pressing the extruded tube into the third die assembly to further elongate the extruded tube and decrease the thickness of the wall of the extruded tube to of from about 3 to about 18 millimeters to produce the drawn tube having the yield strength of at least 750 MPa.

The present invention relates to a method for producing a lightweight sheet-metal component with varying wall thicknesses, characterized by the following method steps: extruding a lightweight metal to form a profile with a non-planar profile cross section, wherein the wall thicknesses of the profile cross section differ from one another in at least two regions, cutting the profile to length into profile pieces, widening the profile pieces, forming the flattened profile piece into a three-dimensional shaped sheet-metal component, wherein the sheet-metal component has at least two regions with wall thicknesses that are different from one another.

A method for producing a motor vehicle component from a light metal alloy includes: extruding an extruded profile with, in cross section, at least two mutually different wall thicknesses and at least one closed hollow chamber and with an extrusion width, at least partially flattening and/or widening the cross section to a processing width, wherein the processing width is greater than the extrusion width, before or after the flattening and/or widening, performing separation to form blanks, processing the blanks by deformation to form the motor vehicle component.

A magnesium alloy molding device includes a support unit supporting a processing target to be rotatable, at least one heater module detachably disposed on an outer circumferential surface of the processing target and heating the processing target, a rotating unit opposite to the support unit and rotating the processing target supported by the support unit, and at least one roller unit applying a pressure to the processing target while being moved in an axial direction of the processing target and rotated along the outer circumferential surface of the processing target

A method for fabricating a non-planar magnet includes extruding a precursor material including neodymium iron boron crystalline grains into an original anisotropic neodymium iron boron permanent magnet having an original shape, wherein the original anisotropic neodymium iron boron permanent magnet has at least about 90 percent neodymium iron boron magnetic material by volume. The original anisotropic neodymium iron boron permanent magnet is heated to a deformation temperature. The original anisotropic neodymium iron boron permanent magnet is deformed into a reshaped anisotropic neodymium iron boron permanent magnet having a second shape substantially different from the original shape using heated tooling to apply a deformation load to the original anisotropic neodymium iron boron permanent magnet. The original anisotropic neodymium iron boron permanent magnet and the reshaped anisotropic neodymium iron boron permanent magnet each have respective magnetic moments substantially aligned with a respective local surface normal corresponding to the respective magnetic moment.

The invention for working extruded profile sections with respect to the outer contours thereof by way of hot shaping and/or hot stamping and/or cutting operations and/or punching operations comprises the following method steps:inserting the profile sections (1) heated to a temperature in the range of 250 to 450 C. into a two-part shaping tool (2) preheated to a temperature of 300 to 600 C.; andapplying pressure to the shaping tool (2) by way of one or more pressing cylinders (3) of a press (4). The device for carrying out the method comprises a press (4) and a shaping tool, wherein the shaping tool (2) is formed of two tool halves I, II, which are displaceable with respect to each other, and between which the profile section (1) is inserted.

Systems, devices, and methods are described for extruding materials. In certain embodiments, one or more hollow billets are loaded onto an elongate mandrel bar and transported along the mandrel bar to a rotating die. The billets are transported through fluid clamps, which engage the mandrel bar and provide cooling fluid to the mandrel bar tip, and through mandrel grips, which engage the mandrel bar and prevent the mandrel bar from rotating. One or more press-rams advance the billets through a centering insert and into the rotating die. A quench assembly is provided at an extrusion end of the extrusion press to quench the extruded material. A programmable logic controller may be provided to control, at least in part, operations of the extrusion press system.

A method for manufacturing a motor vehicle structural component from an extruded multichamber hollow profile. The method includes providing an extruded profile with at least two precursor hollow chambers which are separated from one another by an inner wall, wherein in at least one outer wall of at least one precursor hollow chamber in cross-section perpendicularly to a longitudinal extent of the extruded profile has a region with non-linear course. The extruded profile is formed in at least one of its end regions into the motor vehicle structural component, wherein at least the region with non-linear course of the at least one outer wall of the at least one precursor hollow chamber, with non-linear course in cross-section, is at least partially straightened, with a change in cross-section of the respective precursor hollow chamber into the cross-section of the corresponding hollow chamber of the motor vehicle structural component.

Systems, devices, and methods are described for extruding materials. In certain embodiments, one or more hollow billets are loaded onto an elongate mandrel bar and transported along the mandrel bar to a rotating die. The billets are transported through fluid clamps, which engage the mandrel bar and provide cooling fluid to the mandrel bar tip, and through mandrel grips, which engage the mandrel bar and prevent the mandrel bar from rotating. One or more press-rams advance the billets through a centering insert and into the rotating die. A quench assembly is provided at an extrusion end of the extrusion press to quench the extruded material. A programmable logic controller may be provided to control, at least in part, operations of the extrusion press system.

A tubular structure for a rectangular battery can for an electric vehicle, which is thin and has very high dimensional accuracy in order to contain as much electrolyte as possible within a limited size, and a method of manufacturing the same are disclosed. In particular, extrusion of a material to a predetermined thickness is performed, and drawing of the extruded material to a thickness desired by a final product is performed. Accordingly, desired thickness uniformity of the final product is maintained.