Root Cause Analysis: Untimely Trips of the ABB Thermal Relay 1SCA022380R9660
This article analyzes the main causes of untimely tripping of thermal relays, focusing on the ABB model 1SCA022380R9660. The influence of ambient temperature, complex load…
Root Cause Analysis
Expert root cause analysis articles for industrial equipment.
Analysis of the causes of jamming of pneumatic valves: contamination, humidity and lubrication failure
A systematic analysis of the causes of jamming of ABB pneumatic valves with practical methods for diagnosing contamination, moisture and lubricant degradation. Includes an express…
Root Cause Analysis: Pitting and Spalling in Industrial Gear Teeth – A Focus on Lubrication, Alignment and Material Fatigue
This root cause analysis investigates pitting and spalling in industrial gears, identifying misalignment, lubricant degradation and material fatigue as key factors. Corrective and preventive actions…
Failure Analysis: Spalling and Dental Pitting on REXROTH E200-2X-6A Series Gears in Aerospace and Energy Applications
Pitting and chipping of REXROTH E200-2X-6A gear teeth compromises the reliability of aerospace and energy transmissions. This forensic analysis reveals that the root causes are…
Root Cause Analysis: Lengthening of Drive Chains and Wear of Gear Wheels in Industrial Environments
This article examines the root causes of drive chain stretching and sprocket wear, common problems in industrial machine tools. The analysis focuses on a system…
Analysis and correction of VFD-induced bearing currents in electric motors
This article examines the causes and effects of VFD-induced bearing currents in electric motors that can lead to premature bearing failure. It provides detailed damage…
Root Cause Analysis of Industrial Coupling Failures: Misalignment, Torque Overload and Material Fatigue
This analysis examines the critical failure modes of industrial couplings—shear, torque overload, and material fatigue failure. Detecting these defects at an early stage is key…
Root cause analysis: Collapse of filter elements in hydraulic systems - differential pressure, bypass valve and contamination peaks
This article highlights the causes of a filter collapse, using the Schneider Electric 52-0422-000 as an example, and analyzes the role of differential pressure, bypass…