Abstract

AbstractThis article deals with the mechanisms of metal removal and surface roughness formation during robotic finishing. To analyze the process mechanism, a single abrasive body with a single abrasive grain protruding during its interaction with the machined surface was considered. The destruction of a solid body surface by a single abrasive grain depends on the impact nature of the latter on the machined surface, i.e., on the resulting pattern of destructive stresses. Embodiment zones of various mechanisms of metal removal are considered. In experimental research influence of such factors as the spindle speed (n), the feed rate (S), the cutting depth (t) and the abrasive grit size (z) on the axial components of the cutting force and the torque along the X axis was estimated in a full-factor experiment. As a result, when the spindle speed increases, elastic movements and oscillations arise in the technological system, which conditionally increase the different height arrangement of abrasive grains on the working surface of the tool and lead to an increase in the roughness of the machined surface.KeywordsRobotic finishingMetal removalMicro-cuttingCutting force

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