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A New Study on the Parameter Relationships of Planetary Roller Screws

机译：行星滚柱丝杠参数关系的新研究

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摘要

As a more powerful transmission device, planetary roller screws (PRSs) recently have received more attention, compared to conventional ball screws. However, due to the complicated and unclear relationships among the PRS components' parameters, it is difficult to design high-quality PRSs. To facilitate the PRS design, a new study on the parameter relationships of PRS is conducted in this work. New models of the axial stiffness and the frictional moment of PRS are developed, and the relationships of the axial stiffness and the frictional moment in terms of contact angle, helical angle, and tooth number of the roller thread are investigated. This study could contribute to the research of PRS to improve its transmission performance, especially to increase its positioning accuracy.
机译：作为一种功能更强大的传动装置，与传统的滚珠丝杠相比，行星滚柱丝杠（PRS）最近受到了越来越多的关注。但是，由于PRS组件参数之间的关系复杂且不清楚，因此难以设计出高质量的PRS。为了方便PRS设计，这项工作对PRS的参数关系进行了新的研究。建立了PRS的轴向刚度和摩擦力矩的新模型，研究了滚子丝的轴向刚度和摩擦力矩在接触角，螺旋角和齿数方面的关系。这项研究可以为改善PRS的传输性能，特别是提高其定位精度做出贡献。

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  • 来源
    《Mathematical Problems in Engineering》 |2012年第10期|340437.1-340437.29|共29页
  • 作者

    Shangjun Ma; Geng Liu Ruiting Tong; Xiaocai Zhang;

  • 作者单位

    School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, China;

    School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, China;

    School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, China;

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