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Bearing failures diagnosis and investigation
Wear, 1973Abstract Successful failure investigation enables satisfactory remedial measures to be effected and can lead to improved design embodying greater reliability. As technological progress advances, bearing failure mechanisms are becoming increasingly complex and it is not always possible to give reliable on site diagnoses. A full investigation using all
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Failures of automobile plain bearings
Wear, 1969If plain bearings are properly designed and applied they fretion of a completely mutilated bearing. However adjacent quently outlive other engine components. In spite of their bearings that are not so completely failed may give a visual ability to withstand abuse premature failure can occur and to clue.
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Bearing Cage Dynamics: Cage Failure and Bearing Life Estimation
Nowadays, given the widespread use of rolling bearings in mechanical applications, an important topic is investigate which parameters influence their wear in order to estimate the real bearing life. The cage is one of the critical element in the bearing, its dynamics is complex and nonlinear due to the intermittent contacts with various elements (e.g ...Neglia, Silvio Giuseppe +2 more
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Failure tolerance of load-bearing hierarchical networks
Physical Review E, 2011We investigate the statistics and dynamics of failure in a two-dimensional load-bearing network with branching hierarchical structure, and its variants. The variants strengthen the original lattice by using connectivity strategies which add new sites to the maximal cluster in top-to-bottom or bottom-to-top versions.
Ajay Deep, Kachhvah, Neelima, Gupte
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Bearing Failure Investigation of Turbomachinery Test Rig
ASME 2013 Gas Turbine India Conference, 2013This paper presents the investigation of bearing failure in a compressor test rig which has been satisfactorily in operation. Two pair of single row angular contact ball bearings, each pair in tandem, and the pairs in turn in back to back support the rotor shaft to meet compressor thrust and to provide moderate stiffness for smooth operation.
Kumar, Veera Sesha +4 more
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Million Mile Bearings: Lessons From Diesel Engine Bearing Failure Analysis
SAE Technical Paper Series, 1999<div class="htmlview paragraph">Bearing capability of one million miles has been demonstrated in line-haul truck operations with Cummins, Detroit Diesel, Caterpillar and Mack Truck engines. Bearing failure analysis helped to define the requirements for long service bearings, in terms of the appropriate oil and bearing quality, and proper ...
J. A. Mc Geehan, P. R. Ryason
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Fatigue Failure and Ball Bearing Friction
Tribology Transactions, 2000According to the standard method for calculation of life ratings for rolling contact bearings, failure is considered to occur at the initiation of the first spall in a rolling component surface. While this is acceptable for most bearing applications, in many applications bearing operation may effectively continue for a period of time during which ...
M. N. Kotzalas, T. A. Harris
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ANALYSIS OF ROLLING BEARING FAILURES
Mechanics and TechnologiesДанные о доле различных видов повреждений подшипников качения у тракторов различных марок и даже у тракторов одной марки, но в различных выборках, могут несколько отличаться, так как это соотношение является результатом влияния ряда переменных факторов, в том числе нагруженности подшипниковых узлов, свойств абразивных частиц, попадающих в смазку и ...
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Bearing Friction and Failure Mechanisms
2016The total friction torque acting on the bearing is caused by the bearing loads, viscous friction of oil, and seals of the bearing: $$ {M}_t={M}_l+{M}_v+{M}_s ...
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Aircraft Wheel Bearing Failures … Why?
Scientific Lubrication, 1961RECENT post-accident investigations of an alarming number of wheel bearing failures in high performance aircraft have emphasized the need for a comprehensive and workable procedure for handling these bearings and bearing grease seals to eliminate these accidents.
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