Dynamic Characteristics of Spindle-Bearing System in Machine Tools : 1st Report, Effect of Main Bearing and Other Elements

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Description

The influences of the bearing type and the mounting method of the V pulley on the frequency response of a lathe spindle supported by rolling bearings were experimentally investigated, changing the bearing-preload. Also, the magnitude of the maximum negative real part of the receptance was investigated. Based upon the experimental results, it was found that the damping properties of the work-spindle system are largely affected by the type of the main bearing and the mounting method of the pulley. Particularly, the double-row parallel roller bearing is superior to the tapered roller bearing in the first mode of vibration, but inferior to it in the second and third modes. The damping capacity of the spindle is improved by mounting a floating type V pulley on the rear side of the main spindle

Journal

  • Bulletin of JSME

    Bulletin of JSME 28 (242), 1782-1788, 1985

    The Japan Society of Mechanical Engineers

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