Materiały konferencyjne SEP 2018

3 / Caterpillar Confidential: YELLOW / WHEREVER THERE’S MINING Average percentage of downtime caused by chain break Reason Percentage of overall downtime AFC blockade or capacity overload trough heavy load startup 9,57 % Chain break of AFC 6,30 % Chain break of BSL 5,87 % ∑ = 21,74 % Quelle: Bongers, D.: “Development of a Classification System for Fault Detection in Longwall Systems”, PhD Thesis, The University of Queensland, 2004 Guan, Z.; Gurgenci, H.: “Reliability Improvement through Smart Longwall Projects”, 2006 Ø Production: 3.000 t/h Ø Coal price per ton: US-$ 83,- Ø Downtime chain break: 8 h US-$ 2 Mio.