Optimization Stacker Reclaimer Slewing Bearing Assessment in Mechanical Inspection Combining with Advance Technology of Vibration Analysis

Abstract

SKF Mechanical Service, Engineering Knowledge Company was entrusted to perform Life Assessment Of Slewing Bearing At Stacker Reclaimer for further Improvements Plan at one Power Plant Industry, suggest on best methodology and technique to be implemented in maintaining the reliability of slew bearing at the critical equipment in better maintenance functions, reliability and cost-effectiveness. SKF were awarded the work order for the assessment and recommend improvements plan with respect to the following scope of work. The objective of the assessment is to identify current condition of Slew Bearing installed at the critical equipment of Stacker Reclaimer and a way forward to prevent it from the catastrophic failure for another 15 years operation (expectation). The result of the mechanical service assessment is showing the evidence wear phenomena occurrence, as one of mechanical equipment/asset failure mode compared to suitable value of permissible wear or bearing height reduction, bolts, nut & washer integrity compared to OEM specification, gear drives backlash according to standardization and bearing grease contaminant observation in relation to Fe, PQ and Cr wear percentage, vibration pattern & level for conformance checking and recommendation maintenance procedure for improving bearing life.