Expert articles on root cause analysis: fault investigation, diagnostic methodologies and prevention strategies.
Root cause analysis of oil leak in a reducer coupled to the REXROTH PGH5-21/080RR11VU2 pump. Examines ventilation failures, seal selection and assembly errors with real…
1. Introduction: The Symptom That Triggers the Investigation During a scheduled shutdown at a food processing plant in Mexico, a maintenance technician detected a burning…
Introduction A 1.2 MW centrifugal compressor used in a cogeneration plant (EDF site, PACA region) showed a progressive increase in radial vibrations, going from 2.1…
This analysis investigates persistent oil leakage in Parker B818210525415 industrial gearboxes, identifying suboptimal seal selection, compromised venting, and assembly errors as primary root causes. It…
Systematic root cause analysis of backlash increase in ball screws, with focus on preload loss due to lubrication defects and filter contamination. Including diagnostic checklist,…
Forensic analysis of the premature failure of a spherical roller bearing on a CNC machining center spindle. Identify root causes (lubrication, preload, contamination) with 5…
1. Introduction At a cement production plant in the interior of São Paulo, an ABB MS 32 J drive assembly operating a belt conveyor failed…
An engineering analysis of thermal overload in servomotors. This article examines how incorrect duty cycle, sizing errors and cooling system failure lead to drive system…
A technical analysis of the root causes of tracking problems in industrial conveyor belts. Examination of symptoms of failure, roller misalignment and load distribution, with…
Introduction A 450 mm diameter rotary actuator on a cement kiln bypass damper at a UK plant failed to respond during a critical process shift.…
Detailed engineering analysis of the causes of premature wear of hydraulic cylinder seals. The factors of contamination of the working fluid for ISO 4406, mechanical…
This root cause analysis examines solenoid valve coil burnout in Allen Bradley 1794-TB3G modules, identifying duty cycle mismatches, overvoltage conditions, and thermal management failures as…
