汽车工程 ›› 2024, Vol. 46 ›› Issue (1): 179-186.doi: 10.19562/j.chinasae.qcgc.2024.01.019
• 精选论文 • 上一篇
收稿日期:
2023-04-15
修回日期:
2023-06-25
出版日期:
2024-01-25
发布日期:
2024-01-23
通讯作者:
陈红林
E-mail:1350955372@qq.com
基金资助:
Xianguang Gu1,2,Honglin Chen1,2(),Luxin Yu1,Daisheng Zhang1,2
Received:
2023-04-15
Revised:
2023-06-25
Online:
2024-01-25
Published:
2024-01-23
Contact:
Honglin Chen
E-mail:1350955372@qq.com
摘要:
铝合金一体化精密铸造技术是实现汽车轻量化的重要方式之一。本文首先采用轻质铝合金材料、熔模真空吸铸工艺以及拓扑优化对白车身前副车架及仪表板横梁进行“材料-工艺-结构”一体化设计;其次对比一体化铝合金结构件的质量、研发成本、研制周期,较原钢制件大幅度降低;最后对加装一体化精密铸铝件的白车身进行刚度与模态的有限元仿真分析及台架试验。结果表明,一体化设计后,前副车架及仪表板横梁分别轻量36.6%、30.8%,同时白车身性能均满足设计要求。
谷先广, 陈红林, 俞陆新, 张代胜. 精密铸铝件一体化设计及在车身轻量化中的应用[J]. 汽车工程, 2024, 46(1): 179-186.
Xianguang Gu, Honglin Chen, Luxin Yu, Daisheng Zhang. Integrated Design of Precision Aluminum Castings Parts and Its Application in Lightweight Vehicle Body[J]. Automotive Engineering, 2024, 46(1): 179-186.
表4
正交试验结果"
试验 序号 | 试验因素 | 加权柔度值 | ||||
---|---|---|---|---|---|---|
A | B | C | D | E | C(x) | |
1 | 0.1 | 0.1 | 0.2 | 0.3 | 0.3 | 0.094 5 |
2 | 0.111 | 0.278 | 0.167 | 0.167 | 0.278 | 0.084 5 |
3 | 0.125 | 0.25 | 0.125 | 0.25 | 0.25 | 0.091 2 |
4 | 0.133 | 0.267 | 0.267 | 0.133 | 0.2 | 0.110 8 |
5 | 0.25 | 0.125 | 0.188 | 0.25 | 0.188 | 0.111 2 |
6 | 0.211 | 0.263 | 0.211 | 0.105 | 0.211 | 0.099 8 |
7 | 0.174 | 0.174 | 0.174 | 0.261 | 0.217 | 0.068 2 |
8 | 0.211 | 0.211 | 0.109 | 0.158 | 0.316 | 0.112 1 |
9 | 0.353 | 0.118 | 0.118 | 0.118 | 0.294 | 0.092 7 |
10 | 0.24 | 0.2 | 0.16 | 0.16 | 0.24 | 0.103 6 |
11 | 0.3 | 0.2 | 0.2 | 0.15 | 0.15 | 0.099 3 |
12 | 0.261 | 0.174 | 0.13 | 0.261 | 0.174 | 0.097 5 |
13 | 0.35 | 0.1 | 0.2 | 0.15 | 0.2 | 0.112 8 |
14 | 0.304 | 0.217 | 0.087 | 0.261 | 0.13 | 0.099 2 |
15 | 0.318 | 0.182 | 0.136 | 0.091 | 0.273 | 0.089 5 |
16 | 0.292 | 0.167 | 0.167 | 0.167 | 0.208 | 0.105 2 |
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