Keyed joint failure analysis: design stresses and fatigue failure
Detailed analysis of the causes of failure of Bosch key joint 0820024998 due to fatigue stresses and incorrect tolerances. Practical advice on diagnosis and prevention.
Cause Analysis
Specialized articles on root cause analysis: failure investigation and prevention strategies.
Analysis of ball-screw transmission failure: detection of backlash, loss of pretension and degradation of lubricant
A detailed analysis of the causes of backlash in ball-screw gears, including loss of preload and lubricant degradation. Practical diagnostic methods for technical specialists are…
Root Cause Analysis: Critical Failure Modes in Industrial Couplings due to Misalignment, Torque Overload and Fatigue Cracking
This forensic analysis details the critical failure modes in industrial couplings: misalignment, torque overload and fatigue cracking. The evidence and root causes are investigated and…
Analysis of the causes of overheating of transmission belts: Diagnosis and prevention
A technical analysis of the causes of overheating of industrial transmission belts. This guide explores failure mechanisms, including tension, alignment and thermal stresses, with diagnostic…
Root Cause Analysis: Bearing currents caused by frequency converters and methods of neutralizing them
This technical analysis examines the effect of high-frequency currents caused by frequency converters on the destruction of motor bearings. Diagnostic methods, root cause analysis, and…
Forensic Failure Analysis: Increased Backlash in Ball Screws with Allen Bradley 1770-CD1 Control Systems
Forensic technical analysis on the increase in backlash in ball screws, identifying contamination and lubrication as critical factors in the loss of preload. Includes diagnostic…
Root Cause Analysis: Stretching of Chain Drives and Wear of Sprockets
Technical analysis of wear of chains and sprockets in machine tools. Diagnostics using Schneider XSAV11801 sensors and preventive maintenance strategies.
Failure Analysis: Servo Motor Overheating and Allen Bradley SK-H1-ASICBD-D590 Board
In-depth technical analysis of an overheating failure on a servomotor driven by an Allen Bradley SK-H1-ASICBD-D590 card. The investigation demonstrates the critical impact of duty…
Servo Motor Overheating: Root Cause Analysis of Sizing Errors, Duty Cycle Miscalculation, and Cooling System Failure
Servo motor thermal failures in cyclic automation applications often stem from compounding errors: undersized motors, misclassified duty cycles, and degraded cooling circuits. This root cause…
VFD-Induced Bearing Currents: Shaft Voltage, EDM Damage and Mitigation Strategies
Root cause analysis of premature failures in VFD-driven motor bearings, focusing on shaft stress, EDM damage, and practical mitigation strategies. Includes field checklist, vibration data…
Root Cause Analysis: Winding Failure in Electric Motors - Insulation Degradation, Overload and Voltage Imbalance
Systematic analysis of winding failure in an Allen Bradley 700SCF440EJBC motor, investigating insulation degradation caused by voltage unbalance and mechanical overload. Forensic methodology identifies root…
Spherical roller bearings: Root cause analysis of premature failures in actuation systems
Systematic analysis of premature failures in spherical roller bearings of Italian machine tools. Evidence-based diagnostic methodology to identify root causes and implement effective prevention strategies.…