Conveyor Belt Tracking Problems: Cause, Diagnosis and Solution
Conveyor belt tracking problems are a serious fault in production processes. By systematic analysis and corrective measures, productivity can be restored. Check the UNITEC-D E-Catalog…
Analysis of the Causes
Expert articles in root cause analysis: investigation of failures and prevention strategies.
Analysis of VFD-induced vibration currents in bearings: Causes, diagnosis and prevention
VFD-induced vibration currents cause EDM damage to bearings. The analysis identifies the main causes and provides practical solutions. Visit the UNITEC-D E-Catalog for spare parts…
Root cause analysis of filter element failures in hydraulic systems: pressure drop, bypass valves and contamination spikes
Detailed investigative analysis of the failure of hydraulic system filter elements. Considered causes of pressure drop spikes, cold start problems, diagnostic methods and practical prevention…
Root Cause Analysis of Ball Screw Backlash Increase: Preload Loss, Contamination, and Lubrication Failure
Ball screw backlash increase in a VICKERS DG4V-5-2C-M-U6-A6-20 unit was traced to preload loss, contamination, and lubrication failure. This article provides a root cause analysis,…
Root cause analysis of the unintended actuation of the thermal relay: ambient temperature, load profile and sizing errors
The thermal relay REXROTH R901 086 051 tripped unintentionally due to high ambient temperature, non-uniform load profile, and design errors. A systematic analysis allowed identifying…
Root Cause Analysis of Oil Leak in Reduction: Seal Selection, Ventilation and Assembly Errors
An oil leak in a Heidenhain 375132-01 reduction can be avoided by selecting appropriate seals, correct ventilation, and precise assembly. Technical inspection and continuous monitoring…
Root Cause Analysis of Lack of Durability in Spherical Roller Bearings: Prevention and Diagnosis
The bearing REXROTH R0658-216-40 failed prematurely due to manufacturing defects, overheating and improper lubricant handling. This article provides a root cause analysis and prevention strategies…
Cause investigation Ball Screw Backlash Increases: Preload loss, Contamination and Lubrication damage
Ball screw backlash increase in REXROTH A2F080 can be caused by preload loss, contamination and lubrication failure. Technicians must use specific measuring instruments and preventive…
Analysis of the causes of coil burnout of the solenoid valve HYDAC DFPW/HC330QD25A1.0: operating cycle, voltage and thermal control
Detailed analysis of the solenoid valve coil HYDAC DFPW/HC330QD25A1.0: identification of causes, rapid diagnosis and practical preventive measures.
Root Cause Analysis of Filter Collapse: Differential Pressure, Bypass Valve and Contamination Surges
The collapse of the primary filter element in a lubrication system can be caused by contamination, malfunction of the bypass valve and excessive pressure. Data…
Root Cause Analysis of Filter Element Collapse: Differential Pressure, Bypass Valve and Contamination Loads
Filter element collapse may be caused by excessive differential pressure, fluid contamination, and high temperature. This article presents a root cause analysis methodology and practical…
Root Cause Analysis of Belt Stretch and Pulley Wear: Measurement Techniques and Practical Solutions
An abnormal increase in wear and elongation of the belt has caused critical failures in a transmission system. This article analyzes the root causes and…