Influence of Varnish on Bearing Performance and Vibration of Rotating Machinery

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Mode</td><td class="align_center">Parameter</td><td class="align_center">With varnish</td><td class="align_center">Without varnish</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left" rowspan="2">Mode 1</td><td class="align_center">Frequency/Hz</td><td class="align_center">23.48</td><td class="align_center">23.31</td></tr><tr><td class="align_center">Logarithmic decrement rate</td><td class="align_center">0.5029</td><td class="align_center">0.4645</td></tr><tr><td class="align_left" rowspan="2">Mode 2</td><td class="align_center">Frequency/Hz</td><td class="align_center">34.45</td><td class="align_center">34.41</td></tr><tr><td class="align_center">Logarithmic decrement rate</td><td class="align_center">0.5327</td><td class="align_center">0.4614</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

International Journal of Rotating Machinery

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Table 5

Table 5: Influence of Varnish on Bearing Performance and Vibration of Rotating Machinery 