Tribotechnical Systems in the Automotive Technique - Lubricant ...
Tribotechnical Systems in the Automotive Technique - Lubricant ...
Tribotechnical Systems in the Automotive Technique - Lubricant ...
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Bear<strong>in</strong>g Failure at Electric Motors – Ma<strong>in</strong> Reasons<br />
Lubrication / Relubrication<br />
wrong grease, deficient lubrication, overfeed<strong>in</strong>g lubrication<br />
Too high prim<strong>in</strong>g force caused by <strong>the</strong> belt<br />
<strong>in</strong>creased load, overturn<strong>in</strong>g, cage failure<br />
Brac<strong>in</strong>g caused by <strong>the</strong> coupl<strong>in</strong>gs / cardan shaft<br />
additional dynamic forces, <strong>in</strong>creased loads<br />
Current transfer dur<strong>in</strong>g operation with FU<br />
Contam<strong>in</strong>ation<br />
failures on runn<strong>in</strong>g path, grease ag<strong>in</strong>g<br />
liquid (water, steam), solid (dirt), reduction of lifetime<br />
Break down of <strong>the</strong> seal<strong>in</strong>gs<br />
Assembly mistake<br />
„normal“ ag<strong>in</strong>g, seal<strong>in</strong>g reaction with <strong>the</strong> grease<br />
Down time problems<br />
LUBRICANT CONSULT GMBH – Technology Center Schwe<strong>in</strong>furt (TZS) Page 7<br />
Is mostly valued as<br />
deficient lubrication !<br />
But:<br />
Know<strong>in</strong>g <strong>the</strong> right<br />
cause, it is possible<br />
to elim<strong>in</strong>ate it!<br />
Graz 2005 – 16.08.2005 – St
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