抄録
The purpose of this research is to extract the meaningful global parameters of 3-dimensional tooth flank topography to evaluate the individual gear accuracy objectively. For this purpose, the tooth flank topography is characterized as the curved surface and the parameters for tooth flank topography are derived from the 3-dimensional measured deviations of tooth flanks. The Oth order form deviation, which is regarded as a general representation of pitch deviations, the parameters for the 1st and 2nd order form deviations are derived. Using those parameters, the surface deviations of a tooth flank is characterized according to the order of the surface. They are calculated from the measured conventional deviations of actual bevel gear flanks and separation processes of measured deviations into four kinds of form deviations are automatically performed. The meaning of their representation is discussed for the parameters of each order form deviations.
