Shaft Key Failure: Root cause analysis through load, fit and fatigue under cyclic load
Analysis of the failure of a set of screws in the transmission module identified three main causes: increased cyclic load, inaccurate fit and excessive speed.…
Root Cause Analysis
Expert root cause analysis articles covering failure investigation, diagnostic methodologies, and prevention strategies for industrial equipment.
Gear Tooth Pitting and Spalling: Root Cause Analysis and Preventive Measures
Gear tooth pitting and spalling in SKF S7014 ACEGA/HCP4A gears are caused by lubrication contamination, misalignment, and material fatigue. This article provides a systematic root…
Analysis of Cavitation in Pumps: Identification of Causes, Vibration Symptoms and Prevention Strategies
Introduction: The warning signal that triggers research Cavitation in pumps is a common phenomenon that can lead to catastrophic failures if not detected in time.…
Root Cause Analysis of Joint Failures: Alignment, Torque Overload and Fatigue Fracture
An ABB RN13076101307610 coupling was analyzed to identify the root causes of a failure. The main causes are torque overload, incorrect alignment and lubricant degradation.…
Root Cause Analysis of Coupling Failure Modes: Misalignment, Torque Overload, and Fatigue Cracking
Coupling failure modes such as misalignment, torque overload, and fatigue cracking are analyzed using real-world evidence. A systematic root cause investigation identifies the primary causes…
Root Cause Analysis of Hydraulic Cylinder Leaks: Contamination, Deviations and Pressure Peaks
VICKERS 02-322621 hydraulic cylinder leakage can occur due to contamination, deviations or pressure peaks. Carrying out a systematic analysis and taking recommended actions will ensure…
Root Cause Analysis: Pitting and Spalling in Gear Teeth of Compact Reducers (Festo VPEV 1/8)
This technical article investigates the root cause of pitting and spalling failures in gear teeth of Festo VPEV 1/8 reducers. Through analysis of evidence such…
Root Cause Analysis of Conveyor Traction Problems: Crown, Idler Alignment and Load Distribution
A customer reported recurring failures on the FIBRO 246.7.040.050 conveyor belt. The cause was an imbalance between the crown, idler alignment and load distribution. This…
Root Cause Analysis of Chain Stretch and Pulley Wear: Measurement Techniques and Practical Solutions
Chain and pulley wear in machine tools is a common problem that requires precise analysis. This article presents an investigation of the root causes and…
Analysis of the causes of conveyor belt deviation: ring, centration and load distribution
Deflection of the conveyor belt occurs due to the absence of a ring, incorrect centering of the idlers and insufficient level of lubrication. The use…
Cause analysis of electric motor winding failure: insulation breakage, overload and voltage imbalance
Motor winding failure of Telemecanique ZBE102 is caused by insulation breakage, voltage imbalance and overload. Technicians can identify these causes with a quick diagnostic checklist…
Root cause analysis of hydraulic seal failure: contamination, offset or pressure spikes
A leak in an SK210-20/2116U-210FED-VB-18* hydraulic cylinder revealed three possible causes: contamination, offset and pressure spikes. Rigorous analysis identified contamination as the primary cause. Corrective…