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Study of Processes in Critical Operating Conditions of Sliding Pairs (CROSBI ID 148903)

Prilog u časopisu | prethodno priopćenje

Žeželj, Dragan ; Risović, Stjepan ; Marušić, Željko Study of Processes in Critical Operating Conditions of Sliding Pairs // Strojarstvo : časopis za teoriju i praksu u strojarstvu, 50 (2008), 1; 37-42

Podaci o odgovornosti

Žeželj, Dragan ; Risović, Stjepan ; Marušić, Željko

engleski

Study of Processes in Critical Operating Conditions of Sliding Pairs

The occurrence of working irregularities in journal bearing such as loosing geometry correctness, sudden failure of lubrication, overloading, etc., requires that serious damages of journal bearings have to be overcome in a short period of time. In such cases it is important that the applied combinations of materials and lubricants do not have tendency to seizure. Such critical conditions were simulated in this work for various combinations of materials and lubricants. Model research was carried out using the adapted Timken device and results were compared with the real loaded bearing. Data for nominal working conditions has shown relatively good agreement with calculated values whereas maximum frictional moment was significantly higher for the real bearing. This difference was explained as consequence of different lubricating conditions. Nevertheless, profile of the frictional moment was qualitatively similar compared to model testing for equal combination of material and lubricant and thus confirming initial assumptions.

Bearinig materials; boundary lubrication; journal bearing; seizure; static loading

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Podaci o izdanju

50 (1)

2008.

37-42

objavljeno

0562-1887

Povezanost rada

Strojarstvo

Indeksiranost