High Lightweight 3D-Printed Titanium Alloy Support Structure Design for the Large-Cantilevered Space Mirror

Junlei CHANG; Weizhi WANG; Haochuan LIU; Shoucheng PANG; Pengpeng LIU; Jian SUN; Di ZHANG; Bowei ZHANG; Jukui YANG; Ruimin FU; Zhinan ZHANG

doi:10.3969/j.issn.1009-8518.2025.03.006

Spacecraft Recovery & Remote Sensing, Volume. 46, Issue 3, 51(2025)

High Lightweight 3D-Printed Titanium Alloy Support Structure Design for the Large-Cantilevered Space Mirror

Junlei CHANG^1,2, Weizhi WANG^1,2,3, Haochuan LIU^1,2, Shoucheng PANG^1,2, Pengpeng LIU^1,2, Jian SUN^1,2, Di ZHANG^1,2, Bowei ZHANG^1,2, Jukui YANG^1,2, Ruimin FU^1,2, and Zhinan ZHANG^3、*

Author Affiliations

¹Beijing Institute of Space Mechanics & Electricity, Beijing 100094, China

²Key Laboratory of Advanced Optical Remote Sensing Technology of Beijing, Beijing 100094, China

³School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

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Figures & Tables(15)

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Table 1. Comparison of different support concepts

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Table 1. Comparison of different support concepts

支撑方案	支撑结构质量/kg	支撑结构轻量化率/%	1g_n重力装调变形量/mm	组件基频/Hz	异形构型工艺性
3D打印钛合金	6.5	82.4	0.03	70	优秀
铸钛	28±2	约24	0.025	80	一般
碳-碳化硅复材	14±1	约19	0.02	100	较差

Table 2. CMM measurement data before and after the dynamic test

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Table 2. CMM measurement data before and after the dynamic test

测试项目		力学试验前数据	力学试验后数据		力学试验前后数据差		两次测试均值
测试项目		力学试验前数据	初测	复测	初测	复测	两次测试均值
反射镜转角	镜面法线转角	58.2182°	58.2199°	58.2198°	6.12＂	5.76＂	5.94＂
反射镜转角	镜面内转角	62.2127°	62.2134°	62.2133°	2.52＂	2.16＂	2.34＂
反射镜刚体位移（相对基准坐标）/mm	X向	107.0387	107.0609	107.057	0.0222	0.0183	0.02025
	Y向	518.3326	518.3474	518.3435	0.0148	0.0109	0.01285
	Z向	34.1114	34.0965	34.0967	−0.0149	−0.0147	−0.0148

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Junlei CHANG, Weizhi WANG, Haochuan LIU, Shoucheng PANG, Pengpeng LIU, Jian SUN, Di ZHANG, Bowei ZHANG, Jukui YANG, Ruimin FU, Zhinan ZHANG. High Lightweight 3D-Printed Titanium Alloy Support Structure Design for the Large-Cantilevered Space Mirror[J]. Spacecraft Recovery & Remote Sensing, 2025, 46(3): 51

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Paper Information

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Received: Dec. 17, 2024

Accepted: Dec. 17, 2024

Published Online: Jul. 1, 2025

The Author Email: Zhinan ZHANG (zhinanz@sjtu.edu.cn)

DOI:10.3969/j.issn.1009-8518.2025.03.006

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology