ACTUATOR 2016 Manuscript P 44


Author: Hubert Borgmann
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Pages: 5
Language: English
Publication date: 01/06/2016
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Manuscript P 44 published in Conference Proceedings ACTUATOR 2016
Hydraulic Expansion Actuators for Ball Screws – Towards Applicable Preload Adaption

B. Denkena, P. Schreiber
Leibniz Universität Hannover, Garbsen, Germany

Abstract:
Machine tool feed drives are commonly driven by preloaded ball screws. The amount of preload is an important parameter of a ball screw drive. While the preload is required for gaining rigidity and eliminating backlash, it causes friction and heating of the ball screw. The feed drive’s thermal behaviour and lifetime can be improved by adapting the preload to the required level. This work presents a novel hydraulic expansion actuator that is capable of adapting a ball screw’s preload during operation. Experiments on a prototype evaluate its static and dynamic characteristics. The results provide proof for the feasibility of the novel actuator concept.
El vendedor asume toda la responsabilidad de esta entrada.
Hubert Borgmann, MESSE BREMEN,
Project Manager ACTUATOR, International Conference and Exhibition on New Actuators and Drive Systems, Bremen, Germany, and Editor of the ACTUATOR Conference Proceedings (www.actuator.de)
Project Manager ITHEC, International Conference and Exhibition on Thermoplastic Composites, Bremen, Germany, and Editor of the ITHEC Conference Proceedings (www.ithec.de)

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