22 August 2017 Alignment and testing of critical interface fixtures for the James Webb Space Telescope
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Abstract
NASA’s James Webb Space Telescope (JWST) is a 6.5m diameter, segmented, deployable telescope for cryogenic IR space astronomy. The JWST Observatory architecture includes the Primary Mirror Backplane Support Structure (PMBSS) and Integrated Science Instrument Module (ISIM) Electronics Compartment (IEC) which is designed to integrate to the spacecraft bus via six cup/cone interfaces. Prior to integration to the spacecraft bus, the JWST observatory must undergo environmental testing, handling, and transportation. Multiple fixtures were developed to support these tasks including the vibration fixture and handling and integration fixture (HIF). This work reports on the development of the nominal alignment of the six interfaces and metrology operations performed for the JWST observatory to safely integrate them for successful environmental testing.
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Kyle McLean, Kyle McLean, Paul Bagdanove, Paul Bagdanove, Joshua Berrier, Joshua Berrier, Emmanuel Cofie, Emmanuel Cofie, Tiffany Glassman, Tiffany Glassman, Theodore Hadjimichael, Theodore Hadjimichael, Eric Johnson, Eric Johnson, Joshua Levi, Joshua Levi, Amy Lo, Amy Lo, Joseph McMann, Joseph McMann, Raymond Ohl, Raymond Ohl, Dean Osgood, Dean Osgood, James Parker, James Parker, Kevin Redman, Kevin Redman, Vicki Roberts, Vicki Roberts, Matthew Stephens, Matthew Stephens, Adam Sutton, Adam Sutton, Greg Wenzel, Greg Wenzel, Jerrod Young, Jerrod Young, } "Alignment and testing of critical interface fixtures for the James Webb Space Telescope ", Proc. SPIE 10377, Optical System Alignment, Tolerancing, and Verification XI, 103770H (22 August 2017); doi: 10.1117/12.2272790; https://doi.org/10.1117/12.2272790
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