B21D35/00

Method for producing a motor vehicle component with at least two regions of different strengths

A method for producing a motor vehicle component with at least two regions of different strengths and a protective layer, consisting of the following process steps: —providing precoated blanks made of a steel alloy, which can be hardened, —homogeneously heating to a heating temperature, which is at least greater than or equal to the AC1 temperature, preferably greater than or equal to the AC3 temperature, —holding the heating temperature, so that the precoating alloys with the blank, —homogeneously intercooling the alloyed blank to an intercooling temperature between 450 deg. C. and 700 deg. C., partially heating the blank from the intercooling temperature to at least the AC3 temperature in regions of the first type and holding regions of the second type at substantially intercooling temperature, —hot forming and press hardening the partially tempered blank so as to form the motor vehicle component, wherein a tensile strength of greater than 1400 MPa is produced in regions of the first type, a tensile strength of less than 1050 MPa is produced in regions of the second type, and a transition region is produced between said regions.

Machine for bending metal products and corresponding bending method

Machine for bending metal products (B) includes a drawing unit (11) configured to feed at least one metal product (B) along an axis of feed (D) and toward a bending unit (12) and a shearing unit (14) configured to shear the metal product (B). The bending unit (12) is mounted on a translating platform (13) able to be translated in a direction of translation (T) transverse to the axis of feed (D), and at least one part of the shearing unit (14) is mounted on the translating platform.

Die adjustment mechanism

A die adjustment mechanism, includes a base, the base is provided with a die that can apply pressure on the workpiece. The die includes multiple modules arranged sequentially and capable of sliding laterally relative to the base. The base is further provided with a slide rest/slide rests capable of sliding laterally relative to the base. Each slide rest is provided with a shifting fork which can be clamped with a module or can be clamped between two adjacent modules. Each slide rest is provided with a drive component capable of driving the shifting fork to be clamped with the module or be clamped between the two adjacent modules. Using this mechanism, bending and pressing of multiple sides of the metal plate can be completed by the same machine and the production efficiency is greatly improved.

SYSTEMS AND METHODS FOR FABRICATING SEGMENTED ELECTRODES
20230256235 · 2023-08-17 ·

A method for fabricating a segmented electrode is provided. The method includes performing a series of progressive die stamping operations on a foil sheet of material to form an initial electrode, and removing portions of the initial electrode using a centerless grinding process to form a segmented electrode including a plurality of circumferentially spaced contacts.

Method for producing a container

A method for producing a container having an upper part, a lower part and a receiving element such as an electronics module includes the following steps: the lower part is created from a first starting material in a first processing region of a processing device; the upper part is created from a second starting material in a second processing region of the processing device; the receiving element is fed into the first processing region of the processing device; the lower part receives the receiving element in the first processing region of the processing device; the upper part is fed from the second processing region into the first processing region of the processing device; and there the upper part and the lower part are joined together to form the container.

CONTROLLED THERMAL COEFFICIENT PRODUCT SYSTEM AND METHOD

A controlled thermal coefficient product manufacturing system and method is disclosed. The disclosed product relates to the manufacture of metallic material product (MMP) having a thermal expansion coefficient (TEC) in a predetermined range. The disclosed system and method provides for a first material deformation (FMD) of the MMP that comprises at least some of a first material phase (FMP) wherein the FMP comprises martensite randomly oriented and a first thermal expansion coefficient (FTC). In response to the FMD at least some of the FMP is oriented in at least one predetermined orientation. Subsequent to deformation, the MMP comprises a second thermal expansion coefficient (STC) that is within a predetermined range and wherein the thermal expansion of the MMP is in at least one predetermined direction. The MMP may be comprised of a second material phase (SMP) that may or may not transform to the FMP in response to the FMD.

Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereof
11338549 · 2022-05-24 · ·

Provided is a steel sheet for a hot press formed member having excellent resistance to hydrogen delayed fracture, and a method for manufacturing the same. A steel sheet for a hot press formed member comprises: a base steel sheet; an aluminum alloy plating layer on a surface of the base steel sheet; and an oxide layer which is formed on a surface of the plating layer and has a thickness of 0.05 μm or more.

Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereof
11338549 · 2022-05-24 · ·

Provided is a steel sheet for a hot press formed member having excellent resistance to hydrogen delayed fracture, and a method for manufacturing the same. A steel sheet for a hot press formed member comprises: a base steel sheet; an aluminum alloy plating layer on a surface of the base steel sheet; and an oxide layer which is formed on a surface of the plating layer and has a thickness of 0.05 μm or more.

CO-EXTRUDED ROLL-FORMED ROOF DITCH MOLDING WITH END FORMED FEATURE

An apparatus and method, according to an exemplary aspect of the present disclosure includes, among other things, cutting opposing notches in side edges of a flat metallic strip to provide a flat notched strip with pairs of notches extending along a length of the flat notched strip. The flat notched strip is rolled formed to provide a profiled notched strip and a flexible material is extruded to cover the profiled notched strip to provide a roof ditch molding. The roof ditch molding is cut at notch locations to achieve a desired molding length extending between molding cut ends comprising tabs, and a pattern of flexible material is removed from the notches associated with the molding cut ends. The tabs are bent to provide final formed ends for the roof ditch molding.

STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT PAINTING ADHESION AND POST-PAINTING CORROSION RESISTANCE, AND METHOD FOR MANUFACTURING SAME
20210362472 · 2021-11-25 ·

Provided is a steel sheet for a hot press formed member having excellent painting adhesion and post-painting corrosion resistance, and a method for manufacturing the same. A steel sheet for hot press forming according to one aspect of the present invention comprises a base steel sheet and a plated layer formed on a surface of the base steel sheet, wherein the ratio of an area occupied by pores to the entire area of a surface layer portion may be 10% or more in a cross section of the surface layer portion observed when the plated layer is cut in a thickness direction thereof.