Fatigue Analysis of Shaft Key: From Diagnosis to Intervention
A shaft key failure requires an in-depth analysis of the causes. The failure of the VICKERS key 02-102539 has been identified as the main cause,…
Root cause analysis
Expert articles on root cause analysis: error investigation, diagnostic methods and prevention strategies.
Analysis of the causes of explosive failure of spherical roller bearings: diagnostics and prevention
Explosion loss spherical roller bearings arose due to high temperatures and vibrations. Maintenance includes measuring vibration and temperature, as well as using high-quality components. Refer…
Root cause analysis of filter element collapse: differential pressure, bypass valve and signs of contamination
KSA25EZ1 filter element collapse is caused by contamination, high pressure and defects in the bypass system. Thorough analysis and proactive maintenance are essential to prevent…
Servo motor overheating: cause analysis and prevention
Overheating of a servo motor is a warning signal that there is an impending risk of failure. Through a systematic root cause analysis, causes such…
Analysis of servo motor overheating: sizing errors, poor duty cycle estimation and cooling failure
The overheating of an SKF FY20TF servo motor was analyzed to identify the root causes. Sizing errors, poor duty cycle estimation and cooling system failure…
Root Cause Analysis of Chain Joint Stretch and Pinecone Wear: Measurement Techniques and Solutions
An increase in temperature, abnormal vibrations and chain elongation indicate a critical failure. Root cause analysis shows that insufficient maintenance is the main cause. Replacing…
Pump Cavitation: NPSH Analysis, Causes, and Diagnostic Vibration Signatures
Pump cavitation leads to reduced efficiency, vibration, and mechanical failure. This article investigates NPSH analysis, root causes, and diagnostic vibration signatures for the Siemens 6SN1123-1AA00-0CA2…
Root cause analysis of unintended tripping of thermal relay: ambient temperature, load profile and design errors
The Siemens thermal relay 6ES7 361-3CA01-0AA0 may experience false trips due to ambient temperature, load profile, or design errors. A rigorous analysis and corrective actions…
Shaft Key Failure Analysis: Design Stress, Fit Tolerance, and Fatigue Under Cyclic Load
Shaft key failure in FIBRO 2480.21.00150.063 couplings is often due to design stress mismatch, improper fit tolerance, or fatigue. This analysis provides a practical checklist…
Root Cause Analysis: Solenoid Valve Coil Burnout - Duty Cycle, Voltage and Thermal Management
Introduction The burning of a solenoid valve coil is a common problem in industrial automation systems, especially in environments with high operating loads and elevated…
Root cause analysis of premature failure of spherical roller bearings
A DANFOSS OMP1001510622 bearing failed prematurely after 14 000 hours. The analysis identifies causes such as improper mounting and contamination. Corrective measures and rigorous follow-up…
Root Cause Analysis of the Hydraulic Cylinder Seal Failure: Contamination, Misalignment and Pressure Peaks
The seal failure of the hydraulic cylinder Allen Bradley 1492-AIFM8-3 is caused by contamination, mechanical misalignment or pressure spikes. The analysis revealed signs of particulate…