Mechanics in Engineering ›› 2004, Vol. 26 ›› Issue (2): 0-0.doi: 10.6052/1000-0992-2003-022
• Education Study •
Abnormal damage of Babbitt Alloy being stripped off
and cracking of oil film bearing shortens its service life.
By analyzing the backup roller oil film bearing of 2050
rolling mill of BaoShan Steel Co. by 3D-contact BEM, the pressure
distribution on bearings is obtained. Contact models of oil film bearing
can simulate the actual restricted conditions and external
loading. It is observed that unreasonable restriction results in
severe non-uniformly distributed load on oil film bearing, and carrying capacity
of bearings can be improved through changing restricted conditions.
The non-uniformly distributed load is lowered and oil film
bearing's service life is prolonged. This result provides a theoretical
basis for studying the burnout of oil film bearings and abnormal damage of
Babbitt Alloy being stripped off and cracking in the bearing.
Owing to the consideration of influence of elastic distortion, this method
is advantageous in high precision and convergence speed.
oil film bearing, non-uniformly distributed load,
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