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Root Cause Analysis
Expert root cause analysis articles covering failure investigation, diagnostic methodologies, and prevention strategies for industrial equipment.
Oil Leak Analysis in Allen Bradley 505-COD Reduction Boxing: Select, Ventilate and Assemble Correctly
Oil leakage from an Allen Bradley 505-COD reduction box is a common problem that requires a structured analysis. Seal selection error, failure to properly install…
Analysis of Pneumatic Bucket Failures: Contamination, Moisture and Lubrication
Pneumatic jam failures caused by moisture, contamination and lubrication errors. Analysis of the Siemens 3RS17031DD00 with specific measurement data and corrective measures. Find the right…
Root Cause Analysis: Heidenhain F190992 Servo Motor Overheating
Overheating of the Heidenhain F190992 servo motor can be caused by errors in its sizing, poor planning of the work cycle or failure in the…
Root cause analysis of servo motor overheating: sizing errors, duty cycle errors, and cooling failure
Overheating a Parker 098-91186-0 servo motor may result from undersizing, a miscalculated duty cycle, or a faulty cooling system. Thorough analysis and precise corrective actions…
Analysis of screw connection damage: causes, diagnosis and prevention
Screw failures in industrial systems are often due to inadequate tolerances, lubrication and assembly. Systematic analysis and preventive measures can effectively prevent such problems. For…
Root Cause Analysis of VFD-Induced Bearing Currents: Shaft Voltage, EDM Damage and Mitigation Strategies
A motor bearing failed due to stray currents induced by a VFD. Analysis revealed missing EMI filter and unshielded bearings. Solutions include EMI filters, certified…
Root Cause Analysis of Conveyor Belt Tracking Problems: VICKERS Secondary Bearing
Conveyor belt deviation is a sign of failure that requires thorough analysis. The use of certified VICKERS bearings and a preventative maintenance plan are essential…
Root Cause Analysis of Linear Guide Rail Wear: Contamination, Preload Errors, and Lubrication Gaps
Linear guide rail wear is often caused by contamination, preload errors, and lubrication gaps. This article presents a systematic analysis of failure evidence and provides…
Analysis of the causes of overheating of transmission chains: 5 common causes and diagnostic scheme
Overheating of DANFOSS 017-5003 transmission chains can occur due to 5 general reasons. Using a systematic approach, technicians can identify the cause of the explosion…
Analysis of Shaafkey Failure: Load, Tolerances and Fatigue under Cyclic Loading
Shaaf keys can fail due to improper loading, tolerances and fatigue. An analysis of an ABB 64606859 component shows the warning signs and corrective actions.…
Root Cause Analysis of Increased Play in Ball Lathes: Loss of Preload, Contamination, and Lubrication Failure
Increased play on ball lathes is a warning sign of serious failures. The analysis identified loss of preload, contamination and lubrication failure as main causes.…