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 – Current Flow – <strong>the</strong> Damage Report<br />
Damages of <strong>the</strong><br />
raceway<br />
Current flow with two effects<br />
1. 2.<br />
Ag<strong>in</strong>g of <strong>the</strong> lubricant<br />
Particles cause ag<strong>in</strong>g<br />
of <strong>the</strong> lubricant<br />
Smallest melt<strong>in</strong>g craters high <strong>the</strong>rmal load<br />
Dramatic <strong>in</strong>crease of numbers Cok<strong>in</strong>g of <strong>the</strong> oil / soap<br />
Complete destroy<strong>in</strong>g of <strong>the</strong> surface Ag<strong>in</strong>g due to mix<strong>in</strong>g<br />
Roughness causes metal contacts Particles thicken <strong>the</strong> lubricant<br />
Permanent contort<strong>in</strong>g of particles and show catalytic effects<br />
In case of higher current: Groov<strong>in</strong>g Mixed friction conditions<br />
Complete failure of <strong>the</strong> roll<strong>in</strong>g bear<strong>in</strong>g<br />
LUBRICANT CONSULT GMBH – Technology Center Schwe<strong>in</strong>furt (TZS) Page 13<br />
Graz 2005 – 16.08.2005 – St
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