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Supply Power Design of Oil Cooling Strategies for Precision Ball Screw Unit

[+] Author Affiliations
Teng Liu, Weiguo Gao, Guanwei Zhang, Dawei Zhang, Yifan Zhang

Tianjin University, Tianjin, China

Paper No. MSEC2015-9246, pp. V001T02A020; 7 pages
doi:10.1115/MSEC2015-9246
From:
  • ASME 2015 International Manufacturing Science and Engineering Conference
  • Volume 1: Processing
  • Charlotte, North Carolina, USA, June 8–12, 2015
  • Conference Sponsors: Manufacturing Engineering Division
  • ISBN: 978-0-7918-5682-6
  • Copyright © 2015 by ASME

abstract

For the accurate simulation about the heat transfer between the flowing oil coolant and ball screw structure, a heat-fluid-solid interaction transient FE (finite element) modeling method of precision ball screw unit is presented in this paper. This FE modeling method allows a supply power prediction of the oil coolant for precision ball screw unit. Then based on predictions, influencing tendencies from oil cooling strategy (oil supply temperature and volume flow rate) onto the time-varying supply powers of oil coolant are investigated. The research results demonstrate that: Firstly, the supply power of oil coolant has the increasing tendency with the time increase. Besides, the steady scale of oil supply power is in proportion to the oil supply volume flow rate, and in inverse proportion to the oil supply temperature. Finally, the maximum steady supply cooling power brings the guidance for the capacity selection of recirculation cooler for the precision ball screw unit.

Copyright © 2015 by ASME
Topics: Cooling , Screws , Design

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