Research on the Effect of Pre-Stress on Bending Stiffness of the Ball Screw Based on ANSYS

Hui Xiao; Da Wei Zhang; Y.G. Shi; Zhen Hong Sun

doi:10.4028/www.scientific.net/AMR.690-693.1784

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 690-693Research on the Effect of Pre-Stress on Bending...

Research on the Effect of Pre-Stress on Bending Stiffness of the Ball Screw Based on ANSYS

Abstract:

In this paper, the effect of pre-stress of ball screws on bending stiffness is studied. By using ANSYS APDL parameterized method and adding stress stiffness effect, the relationship between the maximum deflection of ball screws under gravity load and pre-stress is given. The research result shows that with the increasing of pre-stress, the maximum deflection of the ball screw under gravity load gets smaller nonlinearly. The effects of pre-stretching of the ball screw on bending stiffness vary with different cross sections.

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Periodical:

Advanced Materials Research (Volumes 690-693)

Pages:

1784-1787

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.690-693.1784

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Online since:

May 2013

Authors:

Hui Xiao, Da Wei Zhang, Y.G. Shi, Zhen Hong Sun

Keywords:

Ansys APDL, Ball Screw, Bending Stiffness, Maximum Deflection, Pre-Stretching, Stress Rigidity Effect

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