Method and device for partially hardening semifinished products

    公开(公告)号:US10378089B2

    公开(公告)日:2019-08-13

    申请号:US14907785

    申请日:2014-07-18

    摘要: Methods for using a mold to partially harden semifinished products, which are comprised of hardenable steel and have at least partially an open-profile or closed-profile cross section, may involve a number of steps. For example, such methods may involve heating regions of a semifinished product above an AC1 temperature, positioning the semifinished producing in a mold, positioning an active mold cooling element adjacent to or in contact with the heated regions of the semifinished product, and cooling the regions of the semifinished product at a defined cooling rate so that a hardened microstructure in the cooled regions. These methods and corresponding devices provide low cost solutions that dispense with complete hardening of semifinished products and/or employing welded connections to provide various mechanical properties.

    Hardening Tool and Method for Producing Hardened Profiled Shaped Articles
    3.
    发明申请
    Hardening Tool and Method for Producing Hardened Profiled Shaped Articles 有权
    硬化工具及生产硬化型材的方法

    公开(公告)号:US20160010167A1

    公开(公告)日:2016-01-14

    申请号:US14790406

    申请日:2015-07-02

    IPC分类号: C21D1/673 C21D9/46

    CPC分类号: C21D1/673 B21D37/16 C21D9/46

    摘要: A hardening tool is disclosed for producing hardened profiled shaped articles from a sheet steel material, which hardening tool has at least two tool parts which are movable relative to one another and between which a heated sheet steel material which has been preformed into a profiled shaped article and is optionally finally formed and is cooled in a hardening process, wherein the hardening tool has a mould core which, during the hardening process, is arranged in a recess of the profiled shaped article, and wherein the mould core has at least one outlet opening for the pressurization of cooling medium from a cooling medium duct on the profiled shaped article.

    摘要翻译: 公开了一种用于从钢板材料制造硬化型材成形制品的硬化工具,该硬化工具具有至少两个相对于彼此可移动的工具部件,并且其间已经被预成型为成形件 并且可选地最终形成并且在硬化过程中被冷却,其中所述硬化工具具有模具芯,所述模芯在硬化过程期间被布置在成型制品的凹部中,并且其中所述模芯具有至少一个出口开口 用于从成型制品上的冷却介质导管对冷却介质的加压。

    TEMPORARY CORROSION PROTECTION LAYER
    5.
    发明申请

    公开(公告)号:US20190185981A1

    公开(公告)日:2019-06-20

    申请号:US16326780

    申请日:2017-09-22

    IPC分类号: C23C2/12 C23C2/28

    CPC分类号: C23C2/12 C23C2/28

    摘要: A method for producing a component made of a steel product coated with an Al—Si protective coating, includes: providing a substrate consisting of a steel produced coated with an Al—Si protective coating, heating the substrate to a temperature T1 such that the Al—Si protective coating is only partially pre-alloyed with Fe of the steel product, cooling the pre-alloyed substrate to room temperature, applying a corrosion protection oil to the surface of the pre-alloyed substrate, wherein the oil consists of a composition containing fatty acid ester, transporting the pre-alloyed substrate to which the oil has been applied, heating the pre-alloyed substrate to which the oil has been applied to a temperature T2 such that the Al—Si protective coating is fully alloyed with Fe of the steel product and the oil is removed without leaving residue, and shaping the re-heated substrate to form the component.

    Method and device for producing a shaped component
    8.
    发明授权
    Method and device for producing a shaped component 有权
    用于制造成形部件的方法和装置

    公开(公告)号:US09498814B2

    公开(公告)日:2016-11-22

    申请号:US14893770

    申请日:2014-05-21

    摘要: Example methods and devices for producing a shaped component may involve positioning a workpiece having a hollow region and consisting at least partially of steel in a mold of a device. One or more docking punches may secure the workpiece within the mold and serve to introduce a pressurized fluid into the hollow region of the workpiece within the mold. The workpiece may be hot-formed in this process. The present disclosure concerns a variety of methods and devices that may be utilized to counteract a cooling of the workpiece in a region of the docking punch and reduce a temperature difference that may exist between the workpiece and the device.

    摘要翻译: 用于制造成形部件的示例性方法和装置可包括将具有中空区域的工件定位并且至少部分地由钢构成在装置的模具中。 一个或多个对接冲头可以将工件固定在模具内,并用于将加压流体引入模具内的工件的中空区域中。 在该过程中可以热成形工件。 本公开涉及可用于抵消对接冲头的区域中的工件的冷却并减少可能存在于工件和装置之间的温度差的各种方法和装置。

    Method for hot forming thin semi-finished products

    公开(公告)号:US10428402B2

    公开(公告)日:2019-10-01

    申请号:US14894856

    申请日:2014-05-21

    摘要: The invention relates to a method for hot forming semi-finished products of steel, in which the semi-finished product is heated to the forming temperature, is conveyed to the forming tool, and in the forming tool is hot formed, hardened or press hardened. The object of proposing a method for hot-forming semi-finished products of steel, in which also extremely thin-walled blanks may be conveyed at the forming temperature without issues and be fed to the forming tool properly and without limiting the degree of forming of the semi-finished product, is achieved in that prior to hot forming, hardening or press hardening, at least one structure which increases rigidity at least is incorporated in the semi-finished product, and the structure which increases rigidity of the semi-finished product is at least partially or completely disposed in the trimming region of the semi-finished product.