Chain Drive Elongation and Sprocket Wear: Root Causes and Measurement Techniques
Chain drive elongation and sprocket wear lead to unexpected downtime and increased costs. This article provides a forensic analysis of the root causes and practical…
Root cause analysis
Expert articles on root cause analysis: failure investigation and prevention strategies for industrial equipment.
Hydraulic cylinder seal failure: root cause analysis - contamination, misalignment, pressure fluctuations
A hydraulic cylinder shows a sudden loss of fluid. The causes are contamination, misalignment or pressure fluctuations. The analysis with Ishikawa and 5 Whys shows…
Root Cause Analysis: Encoder Signal Loss - Cable Insulation, EMI and Connector Degradation
Encoder signal loss can be caused by connector degradation, EMI, or vibration. UNITEC-D offers certified components for quick and preventive solutions.
Root Cause Analysis of Hydraulic Cylinder Failure: Contamination, Alignment and Pressure Spikes
A failure of the Parker 937859Q hydraulic cylinder caused a production halt. The analysis identified contamination, inaccurate alignment and pressure spikes as the main causes.…
Gear Tooth Pitting and Spalling: Root Cause Analysis and Prevention Strategies
Gear tooth pitting and spalling in Telemecanique LC1 D1810 motor starters are linked to lubrication degradation, misalignment, and material fatigue. This article provides a root…
Root Cause Analysis of Oil Leakage in Reducers: Seal Selection, Ventilation and Assembly Errors
Oil leakage in reducers can indicate critical failures such as obstructed ventilation, inadequate seals or assembly errors. Root cause analysis reveals that high internal pressure…
Root Cause Analysis of Pneumatic Valve Sticking: Contamination, Moisture, and Lubrication Failures
Pneumatic valve sticking is a critical failure mode caused by contamination, moisture, and lubrication failures. This article provides a systematic analysis and practical solutions to…
Root Cause Analysis: Encoder Signal Loss - EMI, Shielding and Connector Degradation
Encoder signal loss is caused by EMI, connector wear, and cable degradation. A technical analysis reveals root causes and practical solutions. Consult the UNITEC-D E-Catalog…
Root Cause Analysis: Pitting and Spalling in SKF 402121 Industrial Reducer Gears
1. Introduction In the manufacturing sector, the reliability of machinery is a critical factor for operational continuity. The unexpected failure of a gear reducer can…
Fault Analysis of Coupling Failure: Misalignment, Torque Overload and Fatigue Cracking
A clutch failure in a machine tool was analyzed. The causes are misalignment, torque overload and fatigue. Practical solutions and preventative measures are presented. Use…
Root Cause Analysis: Solenoid Valve Winding Burnout: Duty Cycle, Voltage and Thermal Management
Burning out of the winding of a Heidenhain 688014-01 solenoid valve was caused by thermal overload, inadequate voltage, and lack of ventilation. Root cause analysis…
Root Cause Analysis of Improper Thermal Relay Tripping: Ambient Temperature, Load Profile and Sizing Errors
Improper tripping of the FIBRO 2962.78.030.12.0160 thermal relay is due to motor overload and high ambient temperature. To prevent failures, it is essential to review…