某輕型貨車保險杠蒙皮輕量化結構設計(含CAD圖)

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某輕型貨車保險杠蒙皮輕量化結構設計(含CAD圖)(任務書,開題報告,論文說明書11000字,CAD圖紙4張)
摘要
本文借助三維建模軟件CATIA V5R20和CAE分析軟件ANSYS18.0首先針對某款輕型貨車的保險杠蒙皮建立相應的數學分析模型,并且對其進行結構和性能分析,然后根據分析結果和結構與性能的要求對現有的模型進行輕量化結構設計與優化,最后進行性能校核。此次設計針對某輕型貨車的保險杠蒙皮實現輕量化的結構設計,有助于進一步理解汽車輕量化的設計理念和較深入了解部分汽車輕量化技術,并且熟悉CAE模型的建立和整個有限元分析對于汽車機械設計的重要作用和意義。同時在實踐中初步了解汽車零部件開發的整個流程,實現從理論向實踐、從書本向企業的過度,初步培養切合實際、實事求是的思考方式和工作態度。該項目的最終研究設計成果是現代汽車輕量化技術一次有力的探索和實踐,是輕量化思想和方法的鮮明拓展,具有較強的創新性。并且從根本上減少了制造用料,在現代化的大規模集成化生產中,有效減少了零件的生產成本,進而減少國民的購買成本,對于汽車銷量有顯著的推動作用,并且在很大程度上促進汽車行業的經濟發展和穩定運營。
此次設計主要以某輕型貨車為對象,依據輕型貨車保險杠蒙皮性能與設計要求,完成蒙皮子系統模型結構的輕量化設計改善,繪制出設計圖紙,并且進行輕量化設計與性能分析。
研究結果表明:對某輕型貨車保險杠蒙皮,在滿足結構性能和其他相關規定下,適當減小蒙皮子系統的厚度是一個有效的輕量化設計方法,也是其結構優化的一條最有效的途徑。
本文的特色:運用CAE仿真模擬分析技術直接對某輕型貨車保險杠蒙皮系統進行輕量化結構設計與優化,運用嚴謹的數據模擬避免了實際操作中的多種問題,快速有效地探索出保險杠蒙皮實現輕量化設計的方法,期間節約了大量的時間和資源,達到了事半功倍的效果。
關鍵詞:輕量化;保險杠;蒙皮子系統;CAE

Abstract
In this paper, the 3D modeling software CATIA V5R20 and CAE analysis software ANSYS18.0 are used to first establish the corresponding mathematical analysis model for the bumper skin of a light truck, and analyze its structure and performance, and then based on the analysis results and structure and performance. The requirements for lightweight design and optimization of existing models, and finally performance checks. The design of the bumper skin of a light truck achieves a lightweight structural design, which helps to further understand the lightweight design concept of the car and better understand some of the car lightweight technology, and is familiar with the establishment of the CAE model and the entire finite element. Analysis of the important role and significance of automotive machinery design. At the same time, in practice, we will initially understand the whole process of auto parts development, realize the transition from theory to practice, from books to enterprises, and initially cultivate practical and practical thinking and work attitude. The final research and design result of this project is a powerful exploration and practice of modern automobile lightweight technology. It is a clear expansion of lightweight ideas and methods, and it has strong innovation. And fundamentally reduce the manufacturing materials, in the modern large-scale integrated production, effectively reduce the production cost of parts, thereby reducing the national purchase cost, has a significant role in promoting car sales, and to a large extent Promote economic development and stable operation of the automotive industry.
This design is mainly for a light truck, based on the performance and design requirements of the light truck bumper skin, complete the lightweight design improvement of the skin subsystem model structure, draw the design drawings, and carry out lightweight design and performance analysis.
The research results show that for a light truck bumper skin, under the structural performance and other relevant regulations, it is an effective lightweight design method to reduce the thickness of the skin subsystem. It is also the most effective way to optimize its structure. .
The characteristics of this paper: Using CAE technology to directly design and optimize the lightweight structure of a light truck bumper skin system, using rigorous data simulation to avoid various problems in actual operation, quickly and effectively explore the realization of bumper skin The lightweight design method saves a lot of time and resources during the period and achieves twice the result with half the effort.

Key Words:lightweight; bumper; fascias subsystem; CAE

主要研究內容與目標
以某款輕型貨車為對象,依據輕型貨車保險杠蒙皮性能與設計要求,完成蒙皮子系統模型結構的輕量化設計改善,繪制出設計圖紙,并且進行輕量化設計與性能分析。具體內容與目標如下:
(1)    分析輕型貨車保險杠蒙皮的性能與設計要求;
(2)    依據要求建立保險杠蒙皮的CAE數據分析模型;
(3)    保險杠蒙皮結構性能分析;
(4)    保險杠蒙皮結構輕量化設計與性能校核;
(5)    輕型貨車保險杠蒙皮及相關零件的圖紙繪制。
 

某輕型貨車保險杠蒙皮輕量化結構設計(含CAD圖)
某輕型貨車保險杠蒙皮輕量化結構設計(含CAD圖)
某輕型貨車保險杠蒙皮輕量化結構設計(含CAD圖)
某輕型貨車保險杠蒙皮輕量化結構設計(含CAD圖)


目錄
第1章緒論    1
1.1 研究背景及意義    1
1.1.1課題研究背景    1
1.1.2課題研究意義    1
1.2 保險杠輕量化在國內外研究現狀    2
  1.3 本文主要工作    2
1.3.1主要研究內容與目標    2
1.3.2技術方案及措施    3
第2章蒙皮的性能與設計要求    3
  2.1 抗凹性分析指標    4
  2.2 指壓剛度的要求    4
  2.3 模態分析指標    5
第3章蒙皮的結構性能初步CAE分析    7
  3.1 模型的簡化    7
  3.2 初步分析結果    8
   3.2.1初始模型抗凹性結果    8
   3.2.2指壓剛度變形量    10
   3.2.3模態分析值    11
第4章蒙皮結構的輕量化設計與性能校核    12
  4.1 輕量化設計方案整體構思    12
  4.2 各項性能可優化空間分析    13
4.2.1次要限制因素分析    13
    4.2.2主要限制因素分析    13
  4.3 蒙皮結構的輕量化設計    14
  4.4 輕量化蒙皮結構的性能校核    15
第5章蒙皮結構的輕量化設計總結與展望    18
  5.1 輕量化結構設計總結    18
  5.2 不足與展望    18
參考文獻    19
致謝    21

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