某車型后門檻加強板沖壓起皺問題分析及優化
譚超河，李兵文，唐全敏（柳州滬信汽車科技有限公司，廣西 柳州 545007）
摘要：考慮后門檻加強板本體及周邊零件結構關系，采用AutoForm R7.0軟件對后門檻加強板數模進行有限元分析，并結合理論知識、現場零件結構和沖壓工藝特點，對起皺問題進行分析研究；根據分析結果優化模具壓料結構，使后門檻加強板在成形過程中得到充分的壓制，解決了其沖壓起皺問題，保證了成形質量，縮短了模具開發周期。
關鍵詞：后門檻加強板；沖壓工藝；起皺；模具開發
中圖分類號：TG386.3 文獻標識碼：B 文章編號：1001-2168（2021）10-0030-04
DOI：10.16787/j.cnki.1001-2168.dmi.2021.10.007
Analysis and optimization of stamping wrinkle on rear threshold stiffening plate
TAN Chao-he, LI Bing-wen, TANG Quan-min (Liuzhou Huxin Automobile Technology Co., Ltd., Liuzhou, Guangxi 545007, China)
Abstract: Considering the structural relationship between the rear threshold stiffener plate and its surrounding parts, the finite element analysis was carried out for the numerical model of the rear threshold stiffening plate by using AutoForm R7.0 software. The wrinkling problem was analyzed and studied by combining the theoretical knowledge, the part structure, and stamping process characteristics. According to the analysis results, the pressure structure of the die was optimized to make the rear threshold stiffening plate get full pressing during the forming process, which solved the stamping wrinkle problem, guaranteed the forming quality and shortened the die development cycle.
Key words: rear threshold stiffening plate; stamping process; wrinkling; die development