Abstract
A statistical analysis was carried out on the properties of ground surface roughness curve, namely, the trough height (the height of the position of trough from the lowest standard line), the crest height (the height of the position of crest from the lowest standard line), the number of cuts (the number of the sections of ground surface profile intercepted by a line being parallel to the lowest standard line), and the cut length (the length of the section of ground surface profile intercepted by a line being parallel to the lowest standard line). In the analysis, the effects of following items were taken in account :(1) The distribution pattern of the grain cutting edge positions in the wheel surface layer.(2) The variation of the grain cutting edge tip angles in the wheel surface layer.(3) The thread generated on the wheel surface by dressing.Also the effect of grinding width (sampling length) on the maximum crest height and the maximum trough height was theoretically analyzed. Finally, some experiments of grinding operation were carried out to make measurements of ground surface roughness, and the validity of the authors' theoretical analysis was confirmed.
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