Automatic haulage truck—design, development and mine implementation at Inco Limited

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Mots clés : Equipment;Haulage;Truck haulage;Inco Limited;Electric trolley system
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Publication: CIM Bulletin
Auteur(s): H.K. Taylor
Numéro: 964
Volume: 85
Année: 1992
Texte
Sommaire: The Department of Finance introduced draft amendments to the resource allowance regulations on July 23, 1992 that effectively nullify the decision in the Gulf Canada Limited case. Prior to the amendments it appeared that only "directly" related general and administrative, capital cost allowance and scientific research expenditures had to be deducted from resource profits. Now ancillary expenditures are required to be deducted. Consequently, the ability of taxpayers to claim the...
Publication: CIM Bulletin
Auteur(s): Robert B. Parsons
Numéro: 964
Volume: 85
Année: 1992
Texte
Sommaire: Preventative maintenance is a burden for equipment users but a demand from the machine suppliers to ensure performance. Machine availability depends on preventative maintenance being followed.
Mining equipment is becoming more and more sophisticated and productive, yet less and less time is available for preventative maintenance. Manufacturers invest in reducing costs, simplifying operating requirements, and lowering maintenance requirements, but it is the users who must invest more heavily...
Publication: CIM Bulletin
Auteur(s): E. Nilsson, A. Ouellette
Mots clés: Maintenance, Equipment.
Numéro: 964
Volume: 85
Année: 1992
Texte
Sommaire: An often over-looked component in the assessed value of a mining property is the value derived from the ability of the operator to limit financial losses during adverse economic times (i.e. low market price, high energy prices, etc.) by suspending operations. Overlooking the value of this type of operating flexibility when conducting mine investment analysis may negatively bias the risk profile for the investment by over estimating the investment's downside potential, thereby effectively...
Publication: CIM Bulletin
Auteur(s): Lyle Kajner, Gordon Sparks
Mots clés: Mineral economics, Investment Analysis, Operating flexibility.
Numéro: 964
Volume: 85
Année: 1992
Texte
Sommaire: New developments in centrifugal slurry pump technology are discussed in relation to their importance for improving pump operation and reliability.
Experimental data obtained by measuring the velocity of liquid flows in a slurry pump casing using Laser Doppler Velocim-etry are presented. This demonstrates the importance of selecting pumps with the proper hydraulic design to provide optimum efficiency, maximum part life and minimum operating cost.
The paper also discusses the use of new wear...
Publication: CIM Bulletin
Auteur(s): G.A. Davidson, P.G. Williams
Mots clés: Technology, Slurry pumps, Wear rates.
Numéro: 964
Volume: 85
Année: 1992
Texte
Sommaire: Equipment capable of higher production requires more sophisticated maintenance programs. Reduction in fleet size through use of modern technology requires higher utilization and greater availability.
Caterpillar's maintenance control system program will display the capabilities of computer technology in a maintenance environment. Utilizing such resources will provide increased availability, lower inventory requirements, fewer last minute disasters, and lower cost per ton for maintenance. High...
Publication: CIM Bulletin
Auteur(s): L. Widdifield, V. Casaletto
Mots clés: Maintenance programs, Computer technology.
Numéro: 964
Volume: 85
Année: 1992
Texte
Sommaire: This study investigated the psychrometric properties of ventilating air in OAL coal mines. Related measurements were done in underground openings and have been arranged as input data for computer programs prepared for ventilation network and psychrometric analysis.
Results obtained from network analysis have been used for psychrometric analysis of ventilating air. Changes in heat and moisture content of air in two major paths between entry and discharge of ventilating air have been investiga...
Publication: CIM Bulletin
Auteur(s): U.Y. Onder, T. Guyaguler
Mots clés: OAL Mines, Psychrometric analysis, Ventilation
Numéro: 964
Volume: 85
Année: 1992
Texte
Sommaire: The influence of flux addition on the structure and properties of pellets produced from low silica specularite with peat moss and bentonite as binders was investigated. Specific pellets basicities in the range of 0.4 to 3.2 were obtained by the addition of limestone or a combination of dolomite and limestone as flux. At basicities < 1.6, the bonding in the pellets was provided by a glassy silicate phase. At basicities > 1.6, calcium ferrites were the predominant bonding phase. When...
Publication: CIM Bulletin
Auteur(s): M. Rigaud, S.C. Panigrahy, B. Jena
Mots clés: Pellets, Fluxed pellets, Hematite, Specularite, Binders, Peat moss.
Numéro: 964
Volume: 85
Année: 1992
Texte
Sommaire: The Maintenance Engineering Department at Carol Mining and Concentrating is currently in the process of introducing reliability concepts such as failure analysis, rework elimination, predictive maintenance, computerized maintenance history analysis, etc. to improve the over-all maintenance function in the mine and concentrator maintenance areas. Some current initiatives include:• Implementation of an infrared thermographic scanning program.• Ultrasonic inspection of shafts for all...
Publication: CIM Bulletin
Auteur(s): Leslie McHattie, Sadek E. El-Alfy
Mots clés: Maintenance, Equipment.
Numéro: 964
Volume: 85
Année: 1992
Texte
Sommaire: Responding to requests by the Canadian mining industry and the mine regulatory authorities, the Canada Centre for Mineral and Energy Technology (CANMET) undertook a major research project on evaluation of wire rope testing in 1986. The objectives were to document, analyze, and clarify — in basic operational terms — the reasons for ongoing mine shaft wire rope failures that occur despite mandatory non-destructive testing (NDT) with electromagnetic (EM) instruments on a routine...
Publication: CIM Bulletin
Auteur(s): L.B. Geller, J.E Udd
Mots clés: Mine shafts, Wire rope testing, Safety.
Numéro: 964
Volume: 85
Année: 1992
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