Design and Analysis of a Cross-spring Flexure Hinge Based on Additive Manufacturing

Table 1. Tab.1Size parameters of the cross-spring flexure hinge samples
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Table 1. Tab.1Size parameters of the cross-spring flexure hinge samples
代号 L/mm a/mm b/mm c/mm t/mm α/（°）
1 40 5 4 0.6 0.7 90
2 5 4 0.6 90
3 5 4 0.5 90
4 4 3 0.6 90
5 6 5 0.6 90
6 5 4 0.6 75
7 5 4 0.6 60

Table 2. Tab.2<bold>Theoretical</bold>，<bold>simulation</bold>，<bold>and experimental values of the hinge stiffness</bold>

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Table 2. Tab.2<bold>Theoretical</bold>，<bold>simulation</bold>，<bold>and experimental values of the hinge stiffness</bold>

序号	K_eq/ (N·m·rad^-1)	K_FE/ (N·m·rad^-1)	仿真误差/%	K_exp/ (N·m·rad^-1)	实验误差/%
1	1.931	2.028	4.78	2.104	3.75
2	1.168	1.229	4.96	1.242	1.06
3	0.651	0.695	6.33	0.681	2.01
4	1.314	1.397	5.94	1.346	3.65
5	1.058	1.116	5.20	1.099	1.52
6	1.311	1.341	2.24	1.321	1.49
7	1.431	1.412	1.35	1.371	2.90

Table 3. Tab.3Size parameters of the hinge example before and after optimization
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Table 3. Tab.3Size parameters of the hinge example before and after optimization
优化
前后
a/mm b/mm c/mm t/mm α/（°）圆角/mm 簧片质量/g
优化前 5 4 0.6 0.7 90 无 4.95
优化后 [0.6,0.8] 0.6 5.06

Table 4. Tab.4Comparative analysis results of the hinge example properties before and after optimization
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Table 4. Tab.4Comparative analysis results of the hinge example properties before and after optimization
优化前后最大应力/MPa 最大应力位置中心漂移/mm
优化前 80.06 簧片基体连接处 0.296
优化后 50.75 铰链转轴处 0.241

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Lin CHEN, Qiuyang LU, Kai ZHAO, Yi YUE. Design and Analysis of a Cross-spring Flexure Hinge Based on Additive Manufacturing[J]. AEROSPACE SHANGHAI, 2025, 42(1): 126

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Paper Information

Category: Integration of Material Structure and Function

Received: Nov. 27, 2024

Accepted: --

Published Online: May. 13, 2025

The Author Email:

DOI:10.19328/j.cnki.2096-8655.2025.01.013

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Tab.1Size parameters of the cross-spring flexure hinge samples

Table 1. Tab.1Size parameters of the cross-spring flexure hinge samples

Table 2. Tab.2<bold>Theoretical</bold>，<bold>simulation</bold>，<bold>and experimental values of the hinge stiffness</bold>

Table 2. Tab.2<bold>Theoretical</bold>，<bold>simulation</bold>，<bold>and experimental values of the hinge stiffness</bold>

Table 3. Tab.3Size parameters of the hinge example before and after optimization

Table 3. Tab.3Size parameters of the hinge example before and after optimization

Table 4. Tab.4Comparative analysis results of the hinge example properties before and after optimization

Table 4. Tab.4Comparative analysis results of the hinge example properties before and after optimization