The invention relates to a method for manufacturing a three-dimensional vehicle door frame inner reinforcing element, a method for manufacturing a vehicle door frame and a method for manufacturing a vehicle reinforcing structure. A method for manufacturing a three-dimensional vehicle door frame interior reinforcement element including an inner center pillar portion, an inner front pillar portion, and an inner side rail portion joining the inner center pillar portion and the inner front pillar portion includes: providing an inner blank, the inner blank comprises an inner middle column blank, an inner front column blank and an inner longitudinal beam blank, and the inner blank is roughly of a flat plate type; assembling the inner center pillar blank and the inner front pillar blank to the inner longitudinal beam blank to form a substantially flat plate type door frame inner reinforcement blank; the door frame interior reinforcement blank is hot-stamped in order to shape the three-dimensional door frame interior reinforcement element, at least a portion of the interior reinforcement portion being made of press-hardened steel having a tensile strength of greater than or equal to 1300 MPa after the hot-stamping step.
本申请涉及用于制造三维车辆门框内部加强元件的方法、用于制造车辆门框的方法以及用于制造车辆加强结构的方法。三维门框内部加强元件包括内部中柱部分、内部前柱部分以及将内部中柱部分与内部前柱部分接合的内部纵梁部分,用于制造三维车辆门框内部加强元件的方法包括:提供内部坯件,所述内部坯件包括内部中柱坯件、内部前柱坯件和内部纵梁坯件,所述内部坯件是大致平板型的;将内部中柱坯件和内部前柱坯件组装至内部纵梁坯件,以形成大致平板型的门框内部加强坯件;对门框内部加强坯件进行热冲压,以定形三维门框内部加强元件,内部加强部分的至少一部分由压制硬化钢制成,所述压制硬化钢在热冲压步骤之后具有大于等于1300MPa的拉伸强度。
Method for producing door frame interior reinforcement element, door frame and vehicle reinforcement structure
用于制造门框内部加强元件、门框及车辆加强结构的方法
2023-01-24
Patent
Electronic Resource
Chinese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
European Patent Office | 2018
|European Patent Office | 2023
|European Patent Office | 2020
|European Patent Office | 2017
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