Compressed air – Its time has come for improved efficiency

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Mots clés : Compressed air;Plant production
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Texte
Publication: CIM Bulletin
Auteur(s): S. K. Schwartz, J. W. Rogers
Mots clés: Electrical technology, Safety, Production.
Numéro: 1004
Volume: 89
Année: 1996
Texte
Publication: CIM Bulletin
Auteur(s): Mark Hollingworth
Numéro: 1004
Volume: 89
Année: 1996
Texte
Sommaire: The fair market value of an exploration property is determined by its potential to host a mineral deposit. This potential is gauged by the results of previous exploration, exploration stage, meaningful past expenditures and remaining targets that are not yet tested. Values of exploration properties can be viewed as distinct points in a three-dimensional space defined by orthogonal axes, namely: Exploration Stage (x-axis); Cumulative Expenditures (y-axis); and Property Value (z-axis)....
Publication: CIM Bulletin
Auteur(s): Hrayr Agnerian
Mots clés: Property valuation, Exploration, Fair market Value, Market value.
Numéro: 1004
Volume: 89
Année: 1996
Texte
Sommaire: All mine shaft conveyances in Canada and most of the United States that are supported by a single hoist rope or attachment point and used for transporting persons are required by regulation to be equipped with safety catches and mechanisms. These safety mechanisms, commonly called safety dogs, are designed to stop and hold a free falling conveyance, with a full personnel load, in the event of a hoist rope or attachment component failure. The conveyance’s safety mechanism must be tested under...
Publication: CIM Bulletin
Auteur(s): Richard A. McIvor
Mots clés: Maintenance, Equipment, Hoisting, Safety, Free-fall testing.
Numéro: 1004
Volume: 89
Année: 1996
Texte
Sommaire: Enclosed gear cases on board heavy mining equipment have traditionally been lubricated with regular heavy duty gear oils. However, equipment manufacturers, have recommended the use of an ISO-1000 gear oil for this application to ensure adequate lubricant film strength, especially at the higher end of the working temperature range. The majority of these ISO-1000 gear oils are based either on
residual/asphaltic oil or synthetics, primarily higher viscosity polyalphaolefins. Although the
perform...
Publication: CIM Bulletin
Auteur(s): Nicolas Samman, Shek N. Lau
Mots clés: Equipment, Gear lubrication, Bearings, Semi-fluid lubricants, Lubricants, Grease, Apparent viscosity.
Numéro: 1004
Volume: 89
Année: 1996
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