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Effect of radial clearance of oscillating screen bearing on oscillating screen

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If the radial clearance is too large or too small, the bearing system will have a large oscillation. The radial clearance of the quantitative disc feeder is too small to cause high-frequency oscillation; if it is too large, it will cause low-frequency oscillation. After the experimental results on the oscillating screen bearing It shows that the radial clearance is too large; the radial natural frequency of the elastic system of the bearing is reduced; the resonance occurs simply; the large low-frequency oscillation occurs. This is due to the large acceleration at the impact point of the rolling body and the ferrule. High-frequency compaction waves unrelated to mechanical quality and shape of the object; and transmitted inside the metal, linear oscillation screen at the later stage of the impact; mechanical vibration occurs at a lower frequency than the impact tightening wave by the mechanical force. Larger clearance will make the bearing increase in the passband.

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