Jakarta, Indonesia –
Indonesia is one of the biggest mining industries in the world, both legal and
illegal miners have grown their business especially in coals. The country
placed 4th in the top 10 coal producers in 2013. The Indonesian coal industry
is rather fragmented with only a few big producers and many small players that
own coal mines and coal mine concessions (mainly in Sumatra and Kalimantan).
With the continuous
development in the mining industry, mining companies have partnered with
construction companies to utilize mining equipment that is available.
This earthmoving and mining
equipment section lists equipment that has been designed primarily to move
earth and minerals in large earthmoving and mining projects. Some of this
equipment finds it place in other applications, however, and the use of
bulldozers and articulated trucks on road and highway projects are just a
couple of examples.
One area of surface mining
includes giant machines such as drills, electric shovels and giant draglines,
some of which have buckets that are capable of moving 160 cubic yards of
material in one scoop. Although somewhat smaller than the electric shovel or
especially the giant dragline, the mass excavator also fits here, which is
basically a large version of the excavator that is used more for mass
excavation than for more limited exaction or trenching.
Underground mining equipment
is aimed at moving material in a very headroom and space environment. You will
notice similarities with some of the surface mining equipment as well as some
very specialized pieces developed specifically for the underground mining
application. All of this equipment is used with extra warning and precaution.
Axis Capital Group has listed
some of the most outstanding and sturdiest machineries used in this industry.
Articulating Truck
An articulated dump truck
has hinge between the cab and the dump box, but it is distinct from
semi-trailer trucks in that the cab is permanent fixture, not a separable
vehicle. Steering is accomplished via hydraulic rams that pivot the entire cab,
rather than rack and pinion steering on the front axle. This vehicle is highly
adaptable to rough terrain.
Bulldozer
The term bulldozer
technically refers only to a shovel-like blade, over the years people have come
to associate the term bulldozer to the entire vehicle both blade and crawler
tractor combined.
Bulldozers are a powerful
tracked piece of equipment and the tracks give them excellent ground hold and mobility
through very rough terrain. Wide tracks help distribute the bulldozer’s weight
over a large area (decreasing pressure), thus preventing it from sinking in
sandy or muddy ground.
Dragline
A dragline excavator is a
piece of equipment used in civil engineering and surface mining. In civil
engineering the smaller types are used as pile driving rigs. The larger types
are used in strip-mining operations to move overburden above coal, and for
tar-sand mining. Draglines are amongst the largest mobile equipment ever built
on land, and weigh in the vicinity of 2000 metric tons, though specimens
weighing up to 13,000 metric tons have also been constructed.
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