BULLDOZERS : SPECIFICATIONS AND PARAMETERS.
A bulldozer is a kind of excavating construction equipment, whose main feature is presence of a blade (more or less vertical shield mounted beyond the wheelbase of the vehicle).
In fact, the base for the bulldozer is a tractor or a tractor unit, whose main working body has a hydraulic (less often, in older models - electromechanic) blade control system. For the most part, these vehicles have tracked undercarriage, which allows, due to increased off-road performance and excellent force transfer, effectively performing operations, regardless of the type and condition of the soil and terrain relief. However, there are rubber-tired vehicles as well.
The blade, which is curved in the cross section, is set perpendicularly to the axis of motion. Moreover, some bulldozers are equipped with blades which are capable of changing the angle in the horizontal plane, and even articulated blades composed of two parts with independent rotation angle of each of them.
Bulldozers are widely used in various types of construction and excavation works, as they are perfectly adapted for removal of soil layers of precisely specified thickness, as well as for movement of a considerably large volumes of soil on short distances (up to 300 m).
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