Cryogenic submicron linear actuator

Javier Serrano; Javier Moreno Raso; David González de María; Heribert Argelaguet Vilaseca; Mikel Lamensans; David López Justo; Violeta Sanz Puig

doi:10.1117/12.856266

Abstract

The Cryogenic Submicron Linear Actuator (CSA) is a medium range (±5 mm) submicron resolution linear actuator suitable to be used at cryogenic temperature (12K). The unit has been developed for fine positioning use. The unit is based on classic motor-gear concept with nut and screw; different materials and lubrications have been tested for the same design configuration to compare performances. Load capability is above 20N. This paper describes main design features, results of different lubrications tested, tested performances, and main lessons learned.

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Javier Serrano, Javier Serrano, Javier Moreno Raso, Javier Moreno Raso, David González de María, David González de María, Heribert Argelaguet Vilaseca, Heribert Argelaguet Vilaseca, Mikel Lamensans, Mikel Lamensans, David López Justo, David López Justo, Violeta Sanz Puig, Violeta Sanz Puig, } "Cryogenic submicron linear actuator", Proc. SPIE 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation, 773949 (20 July 2010); doi: 10.1117/12.856266; https://doi.org/10.1117/12.856266

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