Abstract
The mechanics properties of aero-engine external system supports under critical loading conditions were analyzed. The support smoothness under two kinds of ultimate load conditions was used as objective function. The topology optimization design and performance check of external system supports for additive manufacturing were conducted using transverse isotropic model of additive manufacturing materials. The results of the mechanics test of metal laser additive manufacturing samples shows that, compared with the initial structure, the support design for additive manufacturing has a 15% less material usage, the stiffness increases by about 20%, and the first-order natural frequency improves by 15%. The structural strength increases significantly. The integrated additive manufacturing with 1 external system support, 2 piping supports and 4 rivets was realized herein, which effectively improves the quality and efficiency of engine assembly. The ground static load and engine ignition tests were successfully passed.
| Translated title of the contribution | Topology Optimization Design of Aero-engine External System Brackets for Additive Manufacturing |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 2822-2832 |
| Number of pages | 11 |
| Journal | Zhongguo Jixie Gongcheng/China Mechanical Engineering |
| Volume | 33 |
| Issue number | 23 |
| DOIs | |
| State | Published - 10 Dec 2022 |
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