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.
Root cause analysis
Expert articles on root cause analysis: failure investigation and prevention strategies for industrial equipment.
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.…
Transmission oil leak analysis: seal selection, venting and assembly errors
Gear oil leaks pose a significant risk to operational safety and profitability. This article provides a detailed root cause analysis of leaks, focusing on critical…
Overheating of Drive Belts: Analysis of 5 Common Causes and Diagnostics
Overheating of drive belts, a critical symptom of malfunction, can cause accelerated component degradation and downtime. This article analyzes 5 common causes – misalignment, inadequate…
Root Cause Analysis: Untimely Trips of Thermal Relays – Overload, Ambient Temperature and Incorrect Sizing in the Machine Tool Industry
This article analyzes the root causes of untimely trips of thermal relays that protect the motors of hydraulic units (e.g. VICKERS 3-531-4370A) in machine tools.…
Servo Motor Overheating: Root Cause Analysis and Prevention for the ABB 3HNP02129-1
Uncontrolled servo motor overheating leads to costly downtime and premature failure. This article examines common root causes, including improper sizing, duty cycle miscalculation, and cooling…
Transmission Belt Overheating: 5 Common Causes and a Diagnostic Flowchart
Overheating of transmission belts is a critical failure mode in industrial drive systems that leads to unexpected downtime and high costs. This article from UNITEC-D…
Root Cause Analysis: Filter Element Clogging and Collapse in Hydraulic Systems
This technical article examines the premature collapse of filter elements in hydraulic systems, with a focus on bypass valve malfunction and contamination spikes. A forensic…