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Javier Serrano,1 Javier Moreno Raso,1 David González de María,1 Heribert Argelaguet Vilaseca,1 Mikel Lamensans,1 David López Justo,1 Violeta Sanz Puig1
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 Moreno Raso, David González de María, Heribert Argelaguet Vilaseca, Mikel Lamensans, David López Justo, Violeta Sanz Puig, "Cryogenic submicron linear actuator," Proc. SPIE 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation, 773949 (20 July 2010); https://doi.org/10.1117/12.856266