Application of Gaussian filter to measured helix form data

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  • TATSUMI Tomohiro
    Overseas Sales Department, OSAKA SEIMITSU KIKAI Co., Ltd
  • KIM Myungsoo
    Department of Mechanical Engineering, Kyoto Institute of Technology
  • IBA Daisuke
    Department of Mechanical Engineering, Kyoto Institute of Technology
  • HONGU Junichi
    Department of Mechanical and Aerospace Engineering, Graduate School of Engineering Tottori University
  • NAKAMURA Morimasa
    Department of Mechanical Engineering, Kyoto Institute of Technology
  • MORIWAKI Ichiro
    Department of Mechanical Engineering, Kyoto Institute of Technology

Bibliographic Information

Other Title
  • 歯すじ形状データに対するガウシアンフィルタの適用
  • （JIS B 0632 に基づいた擬似粗さの除去）
  • (Elimination of pseudo roughness based on JIS B 0632)

Abstract

<p>This paper proposes an application method of Gaussian filter to measured helix form data for elimination of pseudo roughness on tooth surfaces, especially, cut-off values of the filter are deeply discussed. In general, based on JIS B 0632, the method for decomposition of surface texture of machine elements is standardized. However, according to the standard, shortage of measuring range on the tooth surfaces occurs frequently in case of the measurement of tooth surface of gears, and it is difficult to filter out roughness data in accordance with the standards due to the problem. Thus, in this study, frequency analysis of a hobbed gear is carried out, and an appropriate wavelength, which splits the surface data between waviness and roughness, is obtained by the analysis. Finally, according to the derived value, the measured helix form data is conditioned with the Gaussian filter, and the method is validated by evaluation of the eliminated roughness data.</p>

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