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20-32 Edition 47
Longwall
Introduction
Roof Supports
●
Features
INTRODUCTION
Caterpillar is the global market leader and supplier
of complete longwall systems. All over the world, our
equipment and systems are meeting the demands of
underground mining under the most stringent condi-
tions. Adapted to the mining challenges faced by our
customers today, Cat customized systems range from
hydraulic roof supports, automated plow systems, shear-
ers, face conveyors and drive systems to automation and
roof support carriers. Caterpillar delivers your system of
choice, from low to high seam heights, for the longest
longwalls and highest production demands.
ROOF SUPPORTS
Features
Customized Design
●
Seamless range for mining heights from 0.55 to 7.5 m
(1.8 to 24.6 ft) with support capacities of up to 1750met-
ric tonnes (1929 tons).
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Advanced design of critical parts prevents major fail-
ures, costly underground repairs and unscheduled
downtime.
●
Easy maintenance, long intervals between overhaul
and very long service life.
Equipment You Can Rely On
●
Availability typically 98% on average.
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Extensive tests on all structural, hydraulic and control
components.
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Sophisticated PMC-R electro-hydraulic controls for
full face automation.
●
Down to 4-second advance cycles thanks to powerful
hydraulics.
●
Shield design in 3D, FEM integrated.