The table below covers typical glossary terms on a bulk material handling project.
| Glossary Term | Detail | Url | |
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Absorbed Power
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The power seen by the output shaft of the reducer. This power is derived from the conveyor itself and is normally given by the effective tension (kN) multiplied by the conveyor belt speed (m/s). Te x S = Pabs (kW)
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Fiery mine
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A mine in which the seam or seams of coal being worked give off an amount of flammable gas, or mine in which there is a danger of explosion due to coal dust or flammable gas , or a gassy mine which is a mine where gas ignitions and outbursts have occurred in the past.
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Transition area
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The area between the tail pulley and the first full toughing idler. The area where the belt makes its transition from the flat profile of the tail pulley to the troughed from necessary to match the toughing idlers.
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Input Power
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The power required at the reducer input shaft.
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Wear plates
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Plates of wear resistant material, placed in strategic location to absorb the abrasive wear of the material transfer system. Usually replaceable
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Belt cleaner
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Devices positioned to remove material from a conveyor belt, which did not naturally release from the belt discharge point.
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Transfer Chute Plug or Blocked Chute
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A plugged chute or blocked chute device provides belt protection at the discharge end of the conveyor into a transfer chute. Blocked flow can result in damage to the moving conveyor. A blocked chute can also cause severe damage to the belt being fed, particularly in the case of a single large lump stuck in the feeding boot and slitting the belt. Plugged chute switches are used in many configurations depending on the application.
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Intersection Point (I.P)
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The projected point in plan view of 2 conveyor system transfers where the centerlines of the belt intersect.
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Approved
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Approved by the Engineer in writing.
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Design Power
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The power derived, including factors, for comparison with the Reducer Rated Power.
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Steelwork Contractor
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As defined in SANS 1921 Part 3
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Time Constant
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It is defined as the amount of time it takes for the change in velocity to reach 63% of its final value.
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Bearing journal
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that part of the pulley shaft or axle that is in contact with, or enclosed by, the bearing(s)
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Design Drawings
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Fully dimensioned drawings prepared by the Engineer, showing all members with their size, material grade, special connections, combination of forces to be developed in member connections, any cambers and eccentricities, and any other information required by the Steelwork Contractor for the design of the connections and completion of the Fabrication Drawings
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Fabrication Drawings
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As defined in SANS 2001 Part CS1
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Series
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designation of the size of an Idler shaft. Indicating the shaft diameter at the bearing journal and shaft end.
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OEM
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Original Equipment Manufacturer
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Live Shaft Pulley
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A live shaft pulley has external bearing, normally housed inside a plummer block bearing housing arrangement. The shaft will turn with the pulley.
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Owner
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Legal owner of structure, or company benefiting from the use of the structure
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Left hand side of conveyor
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The side if a conveyor which is on the left of passenger riding on a conveyor belt facing in the direction of travel.
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Demand Power
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The power required at the motor shaft.
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Engineer
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The company responsible for the structural design, for preparation of the Design Drawings (or approval of Design Drawings prepared by others), for accepting the Fabrication Drawings and erection method statement and, where applicable, inspection of construction for conformity with the design Normally the Engineer is the employer of the Registered Person referred to in Clause 4.2
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Installed Power
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The electrical power or nameplate power of the motor. Designated Pmot it is normally the next larger size of motor compared to the Demand Power.
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LHD
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The Load Haul Dump truck is a specialized loading machine specifically designed for underground transportation of equipment and ore.
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ROM
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Run of Mine
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Head Section
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A general term referring to all of the equipment associated with the discharge area of a conveyor system
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Transition idlers
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special idlers where the throghing angle and height of the rollers can be adjusted to match the transition geometry of the belt
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SCADA
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Supervisory control and data acquisition
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Bulk density
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Bulk density is the weight of a material in a given volume.
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Surcharge Angle
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Angle to the horizontal which the surface of the material assumes while the material is at rest on a moving conveyor belt.
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Repose Angle
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The angle of repose, or critical angle of repose, of a granular material is the steepest angle of descent or dip relative to the horizontal plane to which a material can be piled without slumping.
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Battery Limit
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A battery limit is a defined boundary between two areas of responsibility, which may be physical (e.g. a flange on a pipe); or represented by a map coordinate; or some other means (for example a point in time).
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Dead Load
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the intrinsic weight of a structure or vehicle, excluding the weight of passengers or goods.
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