锻压技术

前门外板锐利化棱线工艺设计方法

英文标题：Process design method of sharp ridge line for front door outer panels

作者：柴武倩杨建刘艳兵谢国文吴志兵

分类号：U270.6+4

出版年,卷(期):页码：2019,44(4):78-82

摘要：

侧面腰线是汽车较为重要的外造型设计语言之一，犀利化的棱线更富有力量感和线条感，为了打造出更多的具有年轻化与运动风特点的汽车产品，以具有R1.5 mm主棱线圆角的某车型左前门外板为研究对象，通过前期CAE仿真分析手段，从冲压方向的选定、压料面随形和工艺补充余肉设计、材料流入量调整等方面，有效地控制了开裂起皱、刚度不足、滑移等外观品质问题；同时，利用CAE分析参数指导现场试模，并调试出整体质量、棱线滑移风险可控的合格产品。证明了本文所采用的工艺方案可实现前门外板R1.5 mm锐棱制造，对具有锐利化棱线的外覆盖件的工艺设计与制造具有重要的参考价值。

The side waistline is one of the most important exterior design languages for cars, and the sharp ridge line is more powerful and line-like. In order to create more automotive products with younger and sporty characteristics, for the left front door outer panel with main ridge line rounded corners of R1.5 mm, by the means of previous CAE simulation analysis, its appearance quality problems such as cracking and wrinkling, stiffness insufficient, slip, etc. were effectively controlled from the aspects such as the selection of punching direction, the shape of pressing surface, the design of process supplement and the adjustment of material inflow amount, etc. At the same time, the field test was guided by the CAE analysis parameters, and the qualified products with the overall quality and ridge line slip risk under control were debugged. It is proved that the process scheme adopted by this paper can realize to manufacture the front door outer panel with the R1.5 mm sharp ridge line, and has extremely important reference value for the process design and manufacture of the outer cover with sharp ridge lines.

基金项目：

柴武倩（1989-），女，硕士，工程师 E-mail：chaiwuqian@gacrnd.com

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