作者：陳新力，張軍（馬鞍山鋼鐵股份有限公司技術中心，安徽馬鞍山243000）
摘要：針對鐵路貨車門板更換新材料沖壓時出現制件翹曲異常及4 個拐角凸槽高度偏低的問題，采用三維光學測繪儀掃描實際模具零件型面，應用有限元分析軟件進行全工序成形模擬，將實際模具零件型面數據與成形的制件數據進行對比，找出產生問題的根本原因，并制定模具整改方案。實際驗證表明：三維逆向掃描和有限元模擬相結合應用可以提高模具整改效率，節約制造成本，縮短整改周期。
關鍵詞：光學掃描；有限元分析；貨車門板；點云數據；拉深成形
中圖分類號：TG386.1 文獻標識碼：B 文章編號：1001-2168（2020）11-0033-04
DOI：10.16787/j.cnki.1001-2168.dmi.2020.11.007
Analysis and solution for stamping problem of wagondoor panel
CHEN Xin-li, ZHANG Jun（Technology Center, Maanshan Iron & Steel Co., Ltd., Maanshan, Anhui 243000, China)
Abstract: In view of the problem of warping and significantly lower height of four convex slots at four corners of part during the stamping of the wagon door panel after changingmaterial, the actual stamping die surface was scanned by using 3D optical mapping instrument, and the whole forming process was simulatedby finite element analysis software. The root cause of the problem was found out and the die optimization method was formulated after compared the actual die surface data with those of product design data. Practices verified that the combination of 3D reverse scanning and finite element simulation could effectively improve the efficiency of die rectification.
Key words: optical scanning; finite element analysis; wagon door panel; point cloud data; drawing