Functional Safety in MRO: A Practical Guide for Technical Teams (IEC 61508/62061)
This practical guide for MRO teams takes a detailed look at the requirements of the international functional safety standards IEC 61508 and IEC 62061. It…
Method #Preventive Maintenance
Preventive and predictive maintenance strategies to maximize equipment uptime and reliability.
765 articles
Root Cause Analysis: Ball Screw Backlash Increase – Preload Loss, Contamination, and Lubrication Failure
A root cause analysis of ball screw backlash increase in a Festo 536271 assembly reveals contamination, lubrication failure, and preload loss as primary drivers. Field…
Migration from relay logic to PLC control: step-by-step retrofit planning
A practical engineering guide to migration from relay logic to PLC control at Ukrainian industrial enterprises. Includes ROI calculation (6.4 month payback), step-by-step implementation roadmap,…
Replacement of Obsolete HMI Panels: Migration from Proprietary Protocols to Open Standards in Brazilian Industry
Complete technical guide for migrating obsolete proprietary HMI panels to open standards (OPC UA, Profinet), with detailed ROI calculation, phased implementation roadmap and real case…
Root Cause Analysis: Stuck Failure in DANFOSS KPR106015070 Pneumatic Valves
This technical article investigates the root causes of sticking in DANFOSS KPR106015070 pneumatic valves, focusing on contamination, moisture and lubrication. It details evidence, identified causes…
ISO 13849-1: Calculation of Performance Level (PL) for Functional Safety in Industrial Machinery
This technical article examines the implementation of ISO 13849-1 to calculate the Performance Level (PL) in industrial machinery safety circuits. Key requirements, impact on MRO,…
Vickers 02PVS2.40FHRM axial piston pumps in mining and mining plants: reliability and MRO management
The Vickers 02PVS2.40FHRM axial piston pump is a critical component in mining and mining plants, where they operate under extreme conditions of pressure (350 bar)…
Cause analysis: Overheating of servo motors (Heidenhain 211 174-xx 100S)
A technical study of overheating failures in servo motors. Analysis of dimensioning errors, miscalculations of the duty cycle and cooling failures according to VDE and…
SKF KM11-M55x2 Locknuts in Paper and Pulp Mills: Critical Bearing Retention for Continuous Production
The SKF KM11-M55x2 lock nut plays a critical role in the bearing security of paper and pulp machines. This article covers failure modes, downtime costs…
Inverter Induced Bearing Currents (VFD): Forensic Analysis, EDM Damage and Mitigation Strategies
This article examines premature bearing failure in a REXROTH R901102711 motor due to inverter induced currents (VFDs), analyzing electrical discharge damage (EDM). The evidence of…