Study on load distribution and ball motion of ball screw

Takafumi Yoshida, Yasuyoshi Tozaki, Susumu Matsumoto

    Research output: Contribution to journalArticle

    13 Citations (Scopus)

    Abstract

    In a high speed ball screw, the spin motion of the ball, which results from elastic deformation at the ball -raceway contact, is an important factor in the friction heat and wear of the ball screw. A new analytical method which is presented by this paper can be used to determine the motion of the ball and the ball load distribution including the effect of the motion for a given ball screw geometry and operating condition. The method is an expansion of the analytical method of ball bearings described by Jones and includes the centrifugal force acting on the ball, change of the contact angle, contact deformation between the ball and raceway as well as stiffness of the shaft and nut. A force generated by contact between the balls is neglected. The motion of the ball is based on raceway control theory introduced by Jones. A parametric study on a ball screw is carried out to estimate the effectiveness of the method as a design tool.

    Original languageEnglish
    Pages (from-to)659-666
    Number of pages8
    JournalToraibarojisuto/Journal of Japanese Society of Tribologists
    Volume48
    Issue number8 SPEC ISS.
    Publication statusPublished - 2003

    Fingerprint

    Ball screws
    screws
    balls
    Ball bearings
    Elastic deformation
    Control theory
    Contacts (fluid mechanics)
    Contact angle
    Stiffness
    Wear of materials
    Friction
    Geometry
    ball bearings
    centrifugal force
    control theory
    elastic deformation
    stiffness

    Keywords

    • Ball motion
    • Ball screw
    • Elastic deformation
    • Load distribution
    • Spin motion

    ASJC Scopus subject areas

    • Mechanical Engineering

    Cite this

    Yoshida, T., Tozaki, Y., & Matsumoto, S. (2003). Study on load distribution and ball motion of ball screw. Toraibarojisuto/Journal of Japanese Society of Tribologists, 48(8 SPEC ISS.), 659-666.

    Study on load distribution and ball motion of ball screw. / Yoshida, Takafumi; Tozaki, Yasuyoshi; Matsumoto, Susumu.

    In: Toraibarojisuto/Journal of Japanese Society of Tribologists, Vol. 48, No. 8 SPEC ISS., 2003, p. 659-666.

    Research output: Contribution to journalArticle

    Yoshida, T, Tozaki, Y & Matsumoto, S 2003, 'Study on load distribution and ball motion of ball screw', Toraibarojisuto/Journal of Japanese Society of Tribologists, vol. 48, no. 8 SPEC ISS., pp. 659-666.
    Yoshida, Takafumi ; Tozaki, Yasuyoshi ; Matsumoto, Susumu. / Study on load distribution and ball motion of ball screw. In: Toraibarojisuto/Journal of Japanese Society of Tribologists. 2003 ; Vol. 48, No. 8 SPEC ISS. pp. 659-666.
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