Analysis on the Influence of the Re-Circulation Mechanism’s Position on the Friction Torque Fluctuation in Ball Screw

Abstract:

When a re-circulating mechanism is in different position, the force exerted on a ball that is into and out of the re-circulating mechanism is different, on which a model of friction torque fluctuation at different position is set up. The friction torque fluctuation varying with the different rotation rate of a ball screw is discussed. The analysis shows that a critical rate exists at different position and a critical preload is likely to occur. The tendency of a friction torque fluctuation is same while the critical rate is different. In the end, the result is verified by experiment.

• Periodical: Advanced Materials Research (Volumes 472-475)
• Pages: 2663-2669
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.472-475.2663
• Online since: February 2012
• Authors: Xian Min Kang, Wei Ping Fu, Da Cheng Wang, Jian Sheng Wang
• Keywords: Ball Screw, Friction Torque Fluctuations, Re-Circulating Mechanism

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