Determination of an Optimum Geometrical Arrangement of Workpiece in the Ultrasonic Elliptic-Vibration Shoe Centerless Grinding

Y. Wu, Y. Fan, M. Kato, T. Tachibana, K. Syoji, T. Kuriyagawa

研究成果: Article査読

13 被引用数 (Scopus)

抄録

This paper clarifies the influence of the geometrical arrangement of the workpiece on workpiece roundness in the ultrasonic elliptic-vibration shoe centerless grinding, and determines an optimum geometrical arrangement for minimizing the roundness error of the workpiece. The influence of the geometrical arrangements (α, β, φ) of the workpiece on workpiece roundness were investigated by computer simulation involving a cylindrical workpiece of 5 mm in diameter with an initial roundness error of 25 μm. The results indicated that the final roundness error of the workpiece after grinding reaches a minimum at α+β=7° for various values of φ. It was found that the smaller the blade angle φ, the more precise the workpiece in terms of final roundness. Practical grinding operations involving pin shaped workpieces, such as SKH51, 5 mm in diameter and 15 mm in length, were carried out on the experimental apparatus previously developed. The experimental results agreed closely with those obtained by the simulation, showing that the optimum geometrical arrangement of the workpiece can be determined at α+β=7° and φ=60°, in which the workpiece roundness was improved from an initial roundness error of 25 μm to the final one of approximately 0.6 μm.

本文言語English
ページ(範囲)495-500
ページ数6
ジャーナルKey Engineering Materials
257-258
DOI
出版ステータスPublished - 2004

ASJC Scopus subject areas

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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