Failure analysis and diagnostic guides for industrial components
1. Introduction Increasing ball screw backlash (BSP) is a critical problem for CNC machine tools, machining centers, and automated lines. Symptoms are manifested in the…
A forensic root cause analysis of tooth flank pitting and spalling in an industrial reduction gearbox. The research links alignment errors, inadequate lubricant film and…
A 150 HP TEFC motor failed after 18,700 hours due to a 4.2% voltage imbalance and thermal overload, reducing insulation life by 50%. This root…
This root cause analysis examines why transmission belts overheat, identifying five primary causes—insufficient tension, misalignment, excessive load, contamination, and resonance—with a diagnostic flowchart for field…
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…
1. Introduction: Unexpected production downtime due to key failure An unexpected shutdown of a critical production facility always represents a significant challenge in the DACH…
1. Introduction In the machining section of the DMG Mori NLX 2500 CNC machine, an increase in positioning error of ±0.08 mm was recorded when…
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…
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…
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…
