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  • Mechanics of self-rotating double-disc grinding process
    Dražumerič, Radovan ...
    Unlike most double-disc grinding processes, which use forced workpiece rotation, some double-disc processes rely on workpiece self-rotation driven by non-uniform shear forces resulting from partial ... wheel-workpiece coverage. This self-rotation is poorly understood, with workpiece angular frequency remaining unknown despite its importance. This paper investigates the kinematics of self-rotation via analytical modelling of the moment-equilibrium conditions, derived from experimentally determined specific-energy values. The model showed that workpiece coverage ratio is the dominant factor governing workpiece angular frequency, allowing for the choice of optimal workpiece coverage ratios that avoid (i) workpiece-stoppage and (ii) excessive frictional heat generation. The predicted velocity was validated with acoustic-emission measurements.
    Source: CIRP annals. - ISSN 0007-8506 (Vol. 71, iss. 1, 2022, str. 309-312)
    Type of material - article, component part
    Publish date - 2022
    Language - english
    COBISS.SI-ID - 117677059

source: CIRP annals. - ISSN 0007-8506 (Vol. 71, iss. 1, 2022, str. 309-312)
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