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Critical speed of shafts. All rotating shafts, even in the absence of external load, will deflect during rotation. The unbalanced mass of the rotating object causes deflection that will create resonant vibration at certain speeds, known as the critical speeds. ## how to calculate ball mill rotational speed

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ME 343: Mechanical Design-3 Design of Shaft (continue) ... Critical speed of rotating shaftCritical speed of rotating shaft • W1, W2…. : weights of the rotating bodies (N) • δ1, δ2…. : deflections of the respective bodies…. : deflections of the respective bodies (m) • Fil dhfhlffiihFor a simply supported shaft, half of its weight may be lumped at the center for better accuracy ... ## ball mill drum speed critical - schilderinuwregio.nl

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