Assoc. Prof. Eng. Dumitru JULA, PhD, Lecturer Eng. Sorina-Daniela STANILA, PhD
Rezumat
In lucrare sunt determinate caracteristicile de fiabilitate si mentenabilitate operationala pentru ciururilor de
desecare utilizate pentru prepararea carbunelui din Valea Jiului. Analiza se bazeaza pe informatiile obtinute prin urmarirea
in exploatare a utilajelor pe o perioada de doi ani, care au fost transpuse in serii statistice ce permit determinarea, prin
metode specifice, a indicatorilor de fiabilitate si mentenabilitate. Analiza permite stabilirea nivelului calitativ al utilajelor,
fata de care sunt propuse o serie de solutii care conduc la cresterea eficientei utilizarii acestora.
Cuvinte cheie: carbuneciur vibratordefectfiabilitatementenabilitatementenantaindicatorserie statistica
Abstract
The paper determines the operational reliability and maintainability characteristics of drainage screens used in
Jiu Valley energetic coal preparation. The assessment is based on information gathered by studying the machineries during
operation over a 2 years period, transposed in statistical series which allow the determination, using specific methods, of
reliability and maintainability indicators. The assessment allows the establishment of the level of quality of these
machineries, proposing and implementing a series of solutions to increase their operational efficiency
Keywords: coalvibrating screensreliabilitymaintainabilitymaintenanceindicatorstatistical series
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