3 May 1988 Focus Drive Mechanism For The International Ultraviolet Explorer
Author Affiliations +
Proceedings Volume 0887, Acquisition, Tracking, and Pointing II; (1988) https://doi.org/10.1117/12.944213
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States
A compact and robust focus drive mechanism was developed for the International Ultra-violet Explorer (IUE) scientific instrument. The design philosophies and detail design features of this mechanism are discussed. The mechanism design is based on a novel planetary-type drive which converts angular increments of a permanent magnet stepping motor into simultaneous linear displacements of three ball screws which support the secondary mirror. The design produces significant torque margins while providing an exceptionally smooth and reliable operation. Materials selections, driven by bearing and ball screw requirements, are also discussed. A summary of performance capabilities is included.
© (1988) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ludwig E. Schuster, Ludwig E. Schuster, } "Focus Drive Mechanism For The International Ultraviolet Explorer", Proc. SPIE 0887, Acquisition, Tracking, and Pointing II, (3 May 1988); doi: 10.1117/12.944213; https://doi.org/10.1117/12.944213


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