ANALYSIS OF DAMAGE TO RDT POWERROC T50 USING FOULT TREE ANALYSIS (FTA) METHOD
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Abstract
RDT (Rock Drill Tools) Powerroc T50 is a heavy equipment widely used in the mining industry for drilling operations. Damage to this tool reduces productivity and increases maintenance costs, making a systematic analysis essential to pinpoint root causes and devise preventive measures. This study employs the Fault Tree Analysis (FTA) method to evaluate damage in the RDT Powerroc T50. The FTA facilitates hierarchical mapping of cause‐effect relationships leading to system failure. Data were gathered through direct observation, technician interviews, and review of maintenance reports and damage records. The analysis reveals 14 distinct causes for damage in the rod drill section and 7 causes in the shank adapter. Common forms of damage—fractures, wear, and cracks—are largely attributed to factors such as tool fatigue and inadequate monitoring of the machine’s life limit during maintenance. Insights from the FTA-based approach provide a systematic framework for identifying damage origins and implementing targeted mitigation strategies, thereby enhancing tool performance, reducing downtime, and lowering long-term maintenance expenses.
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