Root Cause Analysis: Why Drive Belts Overheat – 5 Common Causes and Diagnostic Flow
Introduction: The symptom that triggers the investigation A drive belt that consistently overheats can be a sign of a systemic problem. At a production workshop…
Root cause analysis
Expert articles on root cause analysis: error investigation, diagnostic methods and prevention strategies.
Root Cause Analysis of Oil Leakage in a Gearbox: Seal Selection, Ventilation and Assembly Errors
An oil leak in the REXROTH 4WS2EM10-52/45B11ET210K31EV gearbox can be caused by errors in seal selection, ventilation problems and improper assembly. This article examines the…
Analysis of Encoder Signal Loss: Cable Shielding, EMI and Connector Degradation in Hydraulic Pumps
This article analyzes the signal loss of an encoder on a VICKERS VVP-50-SBR-M-30-CD2-(04)-BK-10 pump. The focus is on the influence of cable shielding, electromagnetic interference…
Root Cause Analysis of Hydraulic Cylinder Seal Failures: Contamination, Misalignment and Pressure Spikes
Introduction Continuous operation in manufacturing environments demands maximum reliability from hydraulic systems. A common, but critical, failure is oil leaks in hydraulic cylinders. This seemingly…
Cause of transmission belt overheating: 5 common causes and diagnostic flowchart
Overheating of transmission belts in production machines often leads to unplanned downtimes. The FIBRO 2052.70.040.050.050 is a critical component in the Benelux industry. The lifespan…
Root cause analysis of servo motor overheating: sizing errors, poor load cycle estimation and cooling failure
A Parker 421800850530 servo motor overheated due to sizing errors, incorrect load cycle estimation and cooling failure. Root cause analysis and corrective actions are recommended…
Root Cause Analysis: VFD-Induced Currents in Supports, EDM Damage and Mitigation Strategies
A bearing support suffered EDM damage due to VFD-induced eddy currents. Root cause analysis identified insufficient isolation and lack of filters. Preventative solutions include the…
Root Cause Analysis of Coupling Failure Modes: Misalignment, Torque Overload, and Fatigue Cracking
A Heidenhain 329991-50 coupling failed after 4,200 hours due to misalignment, torque overload, and fatigue. This article provides a root cause analysis and corrective actions…
Root Cause Analysis: Signal Loss in Industrial Encoder – Shielding, EMI and Connectors
1. IntroductionIn automated manufacturing environments, the accuracy and reliability of motion control systems are essential to productivity and final product quality. Intermittent or complete failures…
Root Cause Analysis: VFD-Induced Rolling Currents and Electrical Discharge Damage (EDM)
1. IntroductionThe operation of modern industrial machinery depends critically on the reliability of its components. However, integrating variable frequency drives (VFDs) into motor drive systems,…
Root Cause Analysis of Ball Screw Backlash Increase: Preload Loss, Contamination, and Lubrication Failure
Ball screw backlash increase is a critical issue in precision motion control systems. This article investigates the root causes of backlash increase, focusing on preload…
Analysis of the root cause of filter element failure: differential pressure, bypass valve and contamination surges
The Schneider Electric A9Q41240 filter element failed due to abnormal differential pressure, a non-functioning bypass valve, and contaminant buildup. Insufficient preventative maintenance contributed to the…