Reducing maintenance costs through predictive fault detection

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Sommaire: The objective of this investigation was to determine how the losses of nickel, copper and cobalt in fayalite slags could be controlled for nickel mattes with iron contents below 5 wt%. Laboratory-converting and slag-cleaning experiments were carried out at 1250°C.

Several variables were investigated during and after converting to help minimize the amount of nickel and cobalt that reports to the slag. The variables used were oxygen concentration in the blast, coke breeze addition and nitrogen...
Publication: CIM Bulletin
Auteur(s): P. Toscano
Mots clés: Bessemer mattes, Slags, Nickel, Copper, Cobalt
Numéro: 1076
Volume: 97
Année: 2004
Texte
Sommaire: A mine’s inherent capacity is dictated by factors such as equipment, design, people, processes, and environment. Actual production may approach, but never surpass, the inherent capacity limit. The inherent capacity ceiling can only be increased through re-engineering. Autonomous haulage systems have the potential to significantly increase a mine’s inherent and realized capacity. Realized capacity may be maximized through the optimization of soft factors such as the processes,...
Publication: CIM Bulletin
Auteur(s): M.W. Lewis, J. Werner, B. Sambirsky
Mots clés: Capacity, Maintenance, Utilization, Mining, Remote condition monitoring, Mobile equipment
Numéro: 1076
Volume: 97
Année: 2004
Texte
Sommaire: This paper describes how Automated Mining Systems (AMS) is evolving the state-of-the-art in guidance systems for autonomous underground vehicles. The techniques, trade-offs, and lessons learned from these systems are described, including the safety regime that has been implemented.

First generation autonomous guidance systems for underground vehicles relied on infrastructure for the vehicle to follow. However, there are additional costs associated with that approach.

The current generation...
Publication: CIM Bulletin
Auteur(s): L. Bloomquist, J. Law, C. Arnoldi
Mots clés: Automated Mining Systems, Infrastructureless guidance systems, Underground vehicles, Guidance system safety, 3D vision systems
Numéro: 1076
Volume: 97
Année: 2004
Texte
Sommaire: Information and communication technology (ICT) is seen as a key source of future productivity improvements in mines. The information technology infrastructure (ITI) necessary to achieve these productivity improvements will come in the form of data integrated from multiple source systems throughout the mining value chain. Two pure approaches are available: supplier-controlled or operations-controlled data structures; each strategy has its own advantages and disadvantages. Case studies...
Publication: CIM Bulletin
Auteur(s): S. Dessureault, J. Porter, M. Woodhall
Mots clés: Information and communication technology (ICT), Information technology infrastructure (ITI), Data integration, Mining value chain
Numéro: 1076
Volume: 97
Année: 2004
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