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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/10744


    Title: An analytical solution of the stiffness equation for linear guideway type recirculating rollers with arbitrarily crowned profiles
    Authors: Thin-Lin Horng(洪興林)
    Contributor: 圖書資訊館
    Keywords: stiffness equation
    linear guideway
    roller
    arbitrarily crowned profiles
    contact
    Date: 2009
    Issue Date: 2010-08-20 11:10:30 (UTC+8)
    Abstract: This article derives the stiffness equation for linear guideway type (LGT) recirculating
    rollers with arbitrarily crowned profiles. Recirculating rollers compressed between a carriage and
    a profile rail are simulated as rollers compressed between two plates, and each roller is divided
    into three parts: two crowned and one cylindrical. The superposition method is introduced to
    obtain the stiffness equation for a crowned roller, for which rollers with circular, quadratic, cubic,
    fourth-order power, and exponential profileswere analysed. A model of discrete normal springs is
    used to obtain the stiffness equation for LGT recirculating rollers. The results reveal that a higherorder
    power can make an LGT with higher stiffness.The stiffness of the exponential profile is close
    to that of the fourth power profile. Therefore, recirculating rollers with an exponential profile, a
    small crowned depth, and a large crowned length seem to be optimal, obtaining a higher LGT
    stiffness and a lower edge stress concentration.
    Relation: Mechanical Engineering Science、Vol. 223 Part C
    Appears in Collections:[機械工程系所] 期刊論文

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