Root cause analysis of gearbox oil leak: seal selection, ventilation and assembly errors
An oil leak in the HYDAC RFLDW/HC7820 reducer is a critical symptom. The analysis shows errors in seal selection, venting, and assembly. Corrective actions and…
Root cause analysis
Expert articles on root cause analysis: failure investigation and prevention strategies for industrial equipment.
Root Cause Analysis of Servo Motor Overheating: Sizing Errors, Duty Cycle Miscalculation, and Cooling Failure
Servo motor overheating often stems from incorrect sizing, duty cycle miscalculation, and cooling failure. This article presents a data-driven root cause analysis, corrective actions, and…
Pump Cavitation: NPSH Analysis, Causes, and Diagnostic Vibration Signatures
Pump cavitation leads to impeller damage and reduced efficiency. This analysis identifies NPSH deficits, vibration patterns, and corrective actions to prevent failure. Visit the UNITEC-D…
Analysis of causes of currents in suspensions through VFD: electrical erosion disturbances, rotational speed and prevention strategies
Explosion of the suspension in the pump FIBRO 0676221 caused production loss. Electro-erosion roughness and high vibration were detected. Investigation showed that the absence of…
Failure mode analysis of couplings: misalignment, torque overload and fatigue cracking
A REXROTH FLPV4ZC1X500G24KPM couple has experienced a failure due to multiple causes. This analysis identifies the root causes and proposes corrective actions to prevent future…
Analysis of the causes of key explosion on the shaft: load, coincidence and fatigue under cyclic loading
Explosion of the key on the shaft FIBRO 2465040080 causes loss of synchronization and explosion. Vibration measurement and surface analysis of the components confirm fatigue…
Root Cause Analysis of Coupling Failure Modes: Misalignment, Torque Overload, and Fatigue Cracking
Coupling failures in industrial systems can lead to significant downtime and financial loss. This article identifies misalignment, torque overload, and fatigue cracking as the primary…
Analysis of the main causes of servo motor overheating: errors in power selection, incorrect cycle calculation and violation of the cooling system
Overheating of the ABB 48980002-A servo motor causes critical shutdowns. Errors in power selection, incorrect cycle calculation and violation of the cooling system are the…
Gear Tooth Pitting and Spalling: Root Cause Analysis of Lubrication, Alignment, and Material Fatigue
Gear tooth pitting and spalling are critical failure modes that require systematic analysis of lubrication, alignment, and material fatigue. A detailed investigation into a Parker…
Root cause analysis electric motor winding fault: insulation failure, overload and voltage imbalance
A motor with type HYDAC DF BN/HC240QE10D1.0/-24 has failed due to insulation damage, overload and voltage imbalance. The cause lies in the power supply and…
Root Cause Analysis: Oil Leaks in Industrial Gearboxes and Seal Selection Criteria
1. Introduction During a routine inspection on a hot rolling production line, a constant loss of synthetic lubricant (ISO VG 220) was detected in a…
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