Eng. A car used in coal mines. Syn:tram
a. An overfill appearing as two parallel lines on rolled bars.
Osborne
b. Long, straight marks due to drawn-out inclusions on rolled sheet.
Osborne
a. A board with two grooves intersecting at right angles, in which the two
ends of a beam compass can slide and describe an ellipse. Hammond
b. See:beam compass
c. A pivoted rod, used to keep brick in alignment in lining circular
kilns.
a. A person who loads broken rock on tramcars and delivers it at the
shaft. Fay
b. Trammers work as assistant miners in all the work a miner does. They
load the broken mineral onto shaker or belt conveyors, fill and haul the
mine cars, bring in the mine timber and other materials to support and
equip the mine workings, serve the mining and transport machines, and work
also as auxiliary mine timbermen. Stoces
c. One who transports coal, ore concentrate, or flux to roasting furnaces
or bins. DOT
The practice of pushing tubs, mine cars, or trams, by hand. Tramming was
an earlier practice in longwall stall mining, but is now largely obsolete.
On the surface, tramming means moving material in skips or wagons running
on light railway track. Nelson
a. An electric locomotive used for hauling loaded trips. Jones, 1
b. The motor in a cutting machine that supplies the power for moving or
tramming the machine. Jones, 1
a. Stray metal objects, such as coal-cutter picks or bolts, that have
become mixed with the run-of-mine coal or ore. Nelson
b. Any loose piece of metal in a borehole. Long
Ore that is too large to be handled efficiently by the machine into which
it is fed. Pryor, 3
Eng. A rail for a tram. A light railroad rail distinguished from tram
plate by being rolled while the latter is cast. Webster 3rd
A mine haulage road. Jones, 1
A hauling rope, to which cars are attached by a clip or chain, either
singly or in trips. Zern
a. A roadway having plates or rails on which wheeled vehicles may run.
Syn:tramroad
b. A suspended cable system along which material, such as ore or rock, is
transported in suspended buckets. See also:aerial tramway
c. A system in which carriers are supported by cable and in which the
movement is continuous over one or more spans.
A large-scale strike-slip fault in which the fault surface is steeply
inclined. Syn:transverse fault; transverse thrust.
See also:strike-slip fault
a. A device actuated by one transmission system and supplying related
waves to another transmission system; the input and output energies may be
of different forms. Ultrasonic transducers, e.g., accept electrical waves
and deliver ultrasonic waves, the reverse also being true. ASM, 1
b. A device that measures physical quantities in a system--such as ground
displacement, velocity, or acceleration-- and converts them into related
or proportional units of electronic outputs (e.g., voltage, current).
CF:geophone
A vertical or inclined connection between two or more levels; used as an
ore pass. Nelson
a. A quarry car provided with transverse tracks on which the gang car may
be conveyed to or from the saw gang. Fay
b. A car equipped with rails, used to transfer a drier or kiln car from
one set of tracks to another. ACSG, 2
A transmission or gearset that provides drive to secondary drives,
winches, etc.
A chute used at a transfer point in a conveyor system. The chute is
designed with a curved base or some other feature so that the load can be
discharged in a centralized stream and in the same direction as the
receiving conveyor. Nelson
Conveyor generally 50 to 300 ft (15 to 90 m) in length. It is used to
transport material only from one conveyor to another. NEMA, 2
A system used in quarries to save time in handling stone blocks and slabs.
In this system, a transfer car that runs on a depressed track in front of
the gangs is provided with a short section of track across the top. A gang
car loaded with marble, sandstone, etc., is placed on this track and when
moved to proper position is shifted beneath the gangsaw. Similarly, a gang
car loaded with sawed slabs may be quickly moved from beneath the saws to
the transfer car for transportation to the shops. AIME, 1