Yarn Quality Monitoring in Air-Jet Spinning
topic
Air-jet yarn quality monitoring uses online capacitive and optical sensors measuring yarn mass variation, hairiness, and diameter at each spinning position, with spectrogram analysis detecting periodic faults from drawing roller periodicity and nozzle fouling that generate wrapping irregularities at specific yarn length intervals corresponding to particular machine component defects requiring targeted maintenance.
Role
Provides position-level yarn quality data for air-jet spinning process management that identifies individual nozzle fouling, drafting roller wear, and compressed air pressure variations causing quality deviations at specific machine positions, enabling targeted maintenance interventions that restore defective position quality without interrupting production on the majority of machine positions maintaining acceptable quality.