Unisite Group Ltd.
Model No.: USA-128
After-sales Service Provided:: Engineers Available To Service Machinery Overseas
Tolerance: High Accuracy(ISO2768, ISO5817, ISO13920)
Inspection: Material, Construction, Dimension, Welding Seam, N
Marine Engineering: Dredging Support
Dredging Depth: 60 M
Dimension(L*B*H): As Per Drawing/order
Material: Grade A-D(BV,DNV,GL,LR,CCS) Or Other Materials
Certificates: BV CCS
Cutter Suction Dredger Design: Cutter Suction Dredger Specification
Packaging: bulk package and bulk vessel transportation frame container package and frame container transportation
Place of Origin: china mainland(zhejiang)
The Cutter Suction Dredger is a stationary Dredger equipped with a cutter device (Cutter Head)which excavate the soil before it is sucked up by the flow of the Dredge Pump(s). During operation the dredger moves around a spud pole by pulling and slacking on the two fore sideline wires. This type of dredger is capable to dredge all kind of material and is accurate due to their movement around the spud pole. The stationary cutter suction dredger is to distinguished easily from the Plain Suction Dredger by its spud poles, which the last don`t have.
Working method of our Cutter suction dredger
After the ladder of the cutter suction dredger has been lowered under water, the dredge pump(s) started and the cutter head set in motion. The ladder is then moved down until it touches the bottom, or until it reaches the maximum depth. The movement of the dredger round the spud pole is initiated by slacking the starboard anchor cable and pulling in the port side anchor cable or reverse. These anchor cables are connected via sheaves close to the cutter head to winches (dredging side winches) on deck. The pulling winch is called the hauling winch. The paying out winch ensures the correct tension in both cables, this being particularly important when dredging in hard rock.
The design of Cutter suction dredger
When designing cutter suction dredgers, the following basic design criteria are important:
Working conditions which affect the size of the dredger
Type of soil
Access to the side
As mentioned earlier, the cutter suction dredger can be used in all type of soil, from soft clay to hard rock.The soil to be dredged has a great influence on the design and construction. Considerable forces are generated when working in rock. They are generated by the cutter head and returned to the ground partly via the ladder and side winches and partly via the pontoon and the spud pole. The design of cutter suction dredgers is also determined by the required amount of installed cutting power.
Besides above the general specifications, we can also supply some specific pontoons and other similar steel structure as clients' requirements.
Packaging & Shipping
bulk package and bulk vessel transportation
frame container package and frame container transportation
Photos of our Cutter suction dredger specification
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