AEROSPACE SHANGHAI, Volume. 42, Issue 1, 110(2025)
Experimental Research on the Lifetime of the Filter Wheel Mechanism of a Space Telescope
Figures & Tables(18)
Fig. 3. Positions of the temperature measurement and control points of the filter wheel
Fig. 10. State of the 71900/HVP4 bearing parts after decomposition
Fig. 13. Principle diagram of the optical system for the accuracy test of the filter wheel mechanism
Table 1.
Working time and safety factor of the filter wheel mechanism View tableView in ArticleTable 1.
Working time and safety factor of the filter wheel mechanism 工作类型 切换次数/转 安全系数 在轨工作 8×104 2
Table 2.
Comparison of the bearing friction torques at different stages View tableView in ArticleTable 2.
Comparison of the bearing friction torques at different stages 轴承型号 状态 运转摩擦力矩/（N·m） 启动力矩/（N·m） 平均值 最大值 峰峰值 619/6/HVP4 交付时 2.31×10-5 1.556×10-4 2.255×10-4 1.848×10-4 试验后 1.349×10-4 7.746×10-4 1.033 0×10-3 6.465×10-4 清洗后 2.31×10-5 2.003×10-4 3.334×10-4 1.901×10-4 71900AC/HVP4 交付时 5.82×10-5 2.145×10-4 3.340×10-4 1.055×10-4 试验后 2.645×10-4 1.544×10-3 1.575 7×10-3 6.652×10-4 清洗后 3.91×10-5 1.454×10-4 1.473×10-4 2.239×10-4
Table 3.
Test results of the eccentricity error of the filter wheel mechanism View tableView in ArticleTable 3.
Test results of the eccentricity error of the filter wheel mechanism 滤光片孔位 技术要求 指标/mm 试验前 精度/mm 试验后 精度/mm 孔位2#相对孔位1# ＜±0.5 0.058 0.097 孔位3#相对孔位1# ＜±0.5 0.096 0.116 孔位4#相对孔位1# ＜±0.5 0.116 0.154 孔位5#相对孔位1# ＜±0.5 0.096 0.174 孔位6#相对孔位1# ＜±0.5 0.116 0.154 孔位7#相对孔位1# ＜±0.5 0.097 0.135
Table 4.
Test results of the repeated positioning accuracy error of the filter wheel mechanism View tableView in ArticleTable 4.
Test results of the repeated positioning accuracy error of the filter wheel mechanism 滤光片孔位 试验前精度/mm 试验后精度/mm 孔位1#相对孔位1# 0.058 0.078 孔位2#相对孔位2# 0.078 0.039 孔位3#相对孔位3# 0.038 0.039 孔位4#相对孔位4# 0.058 0.058 孔位5#相对孔位5# 0.038 0.039 孔位6#相对孔位6# 0.058 0.058 孔位7#相对孔位7# 0.078 0.078
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Wei GUO, Mingming XU, Jiangpei DOU, Guoqiang GUO, Peiqiang REN, Jinning HE, Lingyi KONG, Zihao ZHANG. Experimental Research on the Lifetime of the Filter Wheel Mechanism of a Space Telescope[J]. AEROSPACE SHANGHAI, 2025, 42(1): 110
Paper Information
Category: Integration of Material Structure and Function
Received: Aug. 21, 2024
Accepted: --
Published Online: May. 13, 2025
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