Planetary roller screw for cryogenic applications

Jean-Louis Lizon

doi:10.1117/12.2622627

29 August 2022 Planetary roller screw for cryogenic applications

Jean-Louis Lizon

Proceedings Volume 12188, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation V; 1218849 (2022) https://doi.org/10.1117/12.2622627
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

Motors are traditional actuators for rotating motion. With the availability of vacuum and cryogenic adapted stepper motors, they are now offering a fully safe and reliable solution even at cryogenic temperature. Unfortunately, inside an instrument not all positionings can be solved by rotation motion. A number of components needs to be translated with more or less accuracy. Simple solutions using an eccentric or a cam offer only restricted motion range. This paper study one of the most common solutions used to transform a rotation motion in a translation one: the screw. It reports the use of a planetary roller screw which has also been used in various InfraRed instruments at cryogenic temperature.

Citation Download Citation

Jean-Louis Lizon "Planetary roller screw for cryogenic applications", Proc. SPIE 12188, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation V, 1218849 (29 August 2022); https://doi.org/10.1117/12.2622627

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