The invention relates to an automobile door outer protective plate and a design method and a manufacturing process thereof. The design method comprises the steps that SE analysis is conducted on data of the outer door protective plate A face, and whether the R angle of the A face, the minimum distance from the front outer protective plate A face to a wheel eyebrow and the minimum distance from the rear outer protective plate A face to the front outer protective plate A face and the draft angle all meet set requirements or not is judged; building and analyzing a 3D model of the automobile door outer protective plate, and judging whether the wall thickness and the parting line of the door outer protective plate meet requirements or not; selecting materials of the door outer protective plate, and judging whether the wall thicknesses of the reinforcing rib, the Doghome and the boss on the door outer protective plate and the demolding angle of the reinforcing rib meet set requirements or not; calculating the total deformation of the door outer protective plate, and judging whether the minimum gap meets the set requirement or not; manufacturing a sample piece, and judging whether a product meets a set requirement or not. According to the design method, the problems that the A face of the door outer protective plate designed through an existing design method of the door outer protective plate is uneven and unsmooth in light and shadow are solved.
本发明涉及一种汽车门外护板及其设计方法和制造工艺。设计方法的步骤为:门外护板A面数据进行SE分析,判断A面的R角、前门外护板A面到车轮轮眉和后门外护板A面的最小距离、后门外护板A面到前门外护板A面的最小距离和拔模角是否均满足设定要求;建立汽车门外护板3D模型并分析,判断门外护板的壁厚和分型线是否满足要求;选取门外护板材料,并判断门外护板上的加强筋、Doghouse和凸台的壁厚,以及加强筋的脱模角度是否满足设定要求;计算门外护板的总变形量,并判断最小间隙是否满足设定要求;进行样件制作,判断产品是否满足设定要求。本发明解决了现有门外护板的设计方法设计出的门外护板的A面存在凹凸不平、光影不顺的问题。
Automobile door outer protective plate and design method and manufacturing process thereof
一种汽车门外护板及其设计方法和制造工艺
2023-10-27
Patent
Elektronische Ressource
Chinesisch
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge |
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