本文選題：空調(diào)翅片 + 翻邊孔成形　； 參考：《鍛壓技術(shù)》2017年05期

【摘要】：由于采用薄鋁箔制造的空調(diào)翅片在成形過程中翻邊孔孔壁容易出現(xiàn)破裂,且成形道次多通過經(jīng)驗(yàn)確定,難以合理調(diào)整加工參數(shù)。采用有限元仿真方法,重現(xiàn)翻邊孔的成形過程,分析缺陷的形成原因。建立了鋁翅片多道次成形仿真模型,模擬了鼓包拉深工序、沖孔拉深工序和二次翻邊工序的過程,并與實(shí)際鋁翅片的翻邊孔進(jìn)行對比,驗(yàn)證了仿真結(jié)果的準(zhǔn)確性,最后基于仿真結(jié)果探討板料與模具之間的摩擦系數(shù)對成形結(jié)果的影響。實(shí)驗(yàn)表明,摩擦系數(shù)的改變會(huì)影響翻邊孔成形中的厚度分布、最大減薄率以及翻邊孔的成形質(zhì)量。
[Abstract]:Due to the fracture of the flanged hole wall in the forming process of the air-conditioned fin made of thin aluminum foil, the forming pass is often determined by experience, so it is difficult to adjust the machining parameters reasonably. The forming process of flanging hole was reproduced by finite element simulation method, and the cause of defect formation was analyzed. The simulation model of aluminum fin multi-pass forming is established, and the process of bagging drawing, punching drawing and secondary flanging is simulated. The simulation results are compared with the actual flanging hole of aluminum fin, and the accuracy of the simulation results is verified. Finally, based on the simulation results, the influence of friction coefficient between sheet metal and die on forming results is discussed. The experimental results show that the change of friction coefficient will affect the thickness distribution, the maximum thinning rate and the forming quality of flanging hole.
【作者單位】： 上海交通大學(xué)機(jī)械與動(dòng)力工程學(xué)院;
【基金】：國家科技支撐計(jì)劃(2012BAF01B06)
【分類號】：TB657.2;TG306

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