Analysis of bonding stress with high strength adhesive between the reflector and the mounts in space camera

Yan Li; YongMing Hu; YingCai Li; YouShan Qu; JiaoTeng Ding

doi:10.1117/12.867760

13 October 2010 Analysis of bonding stress with high strength adhesive between the reflector and the mounts in space camera

Yan Li, YongMing Hu, YingCai Li, YouShan Qu, JiaoTeng Ding

Author Affiliations +

Proceedings Volume 7654, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes; 76541F (2010) https://doi.org/10.1117/12.867760
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

The bond stress is analyzed when the optics were attached to their mounts with high strength adhesive in space camera. The model was founded that a circular planar reflector supported by one, three, six or twelve adhesive points, which evenly distributed on different circles. The surface deformation of reflector is mainly caused by the shrinkage after solidity. The functional relation was deduced between the bonding force of the reflector and the characteristic dimension of the adhesive spot using piecewise function, and then analyzing the RMS error of no gravity assuming that the adhesive spot is fixed connect to the reflector using Nastran. The analytical RMS error was the aberration which added by solidification of adhesive. The calculation result is in good agreement with the experiment results. This analyzing method will be useful for the microstress clamping of high performance reflector system for application in space optical systems.

Citation Download Citation

Yan Li, YongMing Hu, YingCai Li, YouShan Qu, and JiaoTeng Ding "Analysis of bonding stress with high strength adhesive between the reflector and the mounts in space camera", Proc. SPIE 7654, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 76541F (13 October 2010); https://doi.org/10.1117/12.867760

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KEYWORDS

Adhesives

Reflectors

Error analysis

Epoxies

Mirrors

Cameras

Finite element methods

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