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              ABAQUS發動機托架的液壓成形工藝設計及優化

              時間:2018-08-05 16:39來源:畢業論文
              以ABAQUS為分析平臺,利用有限元數值模擬法,分析三個工藝參數對發動機托架成形過程的影響,進一步優化工藝。利用ABAQUS模擬分析,可以避免不必要的浪費,節省試驗時間,進而為制

              摘要管件液壓成形是一種先進的異形管件加工工藝,該工藝在管材內充入高壓液體使管材漲形,從而獲得所需管件。因其具有產品結構設計靈活、成形性好、能顯著減少零件數目和重量、縮減制造過程并降低成本等優點,目前該技術廣泛應用于汽車行業來制造一些重量輕、強度高的管狀零件。發動機托架是汽車的重要構件,研究發動機托架的液壓成形技術在技術上是可行的,同時又是生產領域中急需的。 26672
              本文的主要目的是對發動機托架的液壓成形進行工藝設計,并以ABAQUS為分析平臺,利用有限元數值模擬法,分析三個工藝參數對發動機托架成形過程的影響,進一步優化工藝。利用ABAQUS模擬分析,可以避免不必要的浪費,節省試驗時間,進而為制定合理的工藝參數提供理論依據,為實現利用液壓成形技術生產發動機托架打下基礎。
              關鍵詞 發動機托架 預彎曲 液壓成形 ABAQUS 
              畢業論文設計說明書外文摘要
              Title   The design and the optimization of the processing of engine bracket using hydroforming technology                                        
              Abstract
              The hydroforming technology is an advanced processing technology to produce abnormal tubes. The technology uses high pressure liquid in pipe expanding in order to get the required fittings. The technology is widely used in the automotive industry to manufacture some light,high-strength tubular parts because of its flexibility in the design of product structure, good formability and its advantages of significantly reducing the number and the weight of parts, simplifying the manufacturing process and cutting the cost. Engine bracket is an important component of automobile. Researches on engine bracket using hydroforming technology are technically feasible, and are urgently needed in production.

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              The main purpose of this paper is to explore the design of engine bracket using hydroforming technology . ABAQUS is used as the analysis platform to analysis the influence of three parameters in the forming process on the engine bracket. The finite element numerical simulation method is used for further optimization. Using ABAQUS in simulation analysis can avoid unnecessary waste and save the testing time, which provides a theoretical basis for setting reasonable technological parameters and provides a foundation for the realization to use hydroforming technology in the production of engine bracket.
              Keywords Engine bracket  Prebending  Hydroforming  Abaqus
              目   次
              1 引言    1
              1.1 液壓成形技術    1
              1.2 管件彎曲成形技術    2
              1.3 金屬塑性成形原理    5
              1.4 發動機托架    5
              1.5 研究目的和方法    6
              2 彎管工藝設計及數值模擬    1
              2.1 彎管工藝選擇    1
              2.2 彎管模型的建立    1
              2.3 彎管工藝模型材料和截面屬性的選擇    2
              2.4 彎管工藝模型網格的劃分    3
              2.5 彎管工藝模型的相互作用和邊界條件的定義    4
              2.6 彎曲成形結果分析    7
              2.7 本章小結    8
              3 液壓成形工藝及數值模擬    9
              3.1 合模    10
              3.2 漲形工藝和模型    14
              4 優化    18
              4.1 優化目的    18
              4.2 軟件介紹    19
              4.3 優化方法和步驟    20
              4.4 本章小結    23
              1 引言 ABAQUS發動機托架的液壓成形工藝設計及優化:http://www.kj9998.cn/jixie/20180805/20913.html
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