On theoretical substantiation of the choice of effective grain profile shape in modeling of diamond layer in dressing tools. Part 2. Electroforming |
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Authors: | M N Sheiko |
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Affiliation: | 1.Bakul Institute for Superhard Materials,National Academy of Sciences of Ukraine,Kiev,Ukraine |
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Abstract: | The paper describes, from the statistical standpoint, the mechanism of formation of spherical shape of the averaged cross section of scratches produced by flat faces of diamond grains in abrasive material of grinding wheels during their dressing with diamond rolls manufactured by electroforming. The distribution of parameters of orientation of diamond grain cutting faces has been determined and a brief comparative analysis of characteristics of dressing tools manufactured by electroforming and electroplating has been performed. A notion of the reduced effective diameter has been introduced into the model representation of a diamond cutting grain; a relationship between this diameter and the tool grain size has been found, which is needed for calculating individual and total cross-sections of cuts, dressing forces, and surface roughness of workpieces ground with pre-dressed abrasive wheels. |
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