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2010 Volume 1 Issue 3
 
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A US contractor has found crusher buckets the ideal solution for processing demolition material during ground clearance in preparation for a large housing project at a US Military base.

A US contractor has found crusher buckets the ideal solution for processing demolition material during ground clearance in preparation for a large housing project at a US Military base.

CRUSHER BUCKETS WIN WORLD RECOGNITION

In an increasing number of environmentally conscious countries, more restrictions are being placed on the amount of building and demolition debris that can be removed from sites. This factor, coupled with the increasing cost of landfill is leading to more on-site materials recycling.

As more builders and contractors are pressurised into having to recycle brick and concrete waste on site, so there is increasing scope for contractors to use appropriate equipment. And, if the demand is insufficient to justify investing in a dedicated crusher, an attractive alternative is to add a crusher bucket to the fleet and gain more utilisation from an existing excavator.

According to MB (Meccanica Breganzese) of Vicenza in Italy which claims to be the world leading supplier of crusher buckets, more and more contractors are realising the efficiency that crusher buckets bring.There are also many situations where there is a need for substantial crushing but where it is impractical to transport to and from a crusher. For instance in agricultural applications or localised road construction and remediation often far from centre depots.

In rural and extreme remote areas such as found in Africa and India, the ability to crush and size excavated material for immediate reuse is not only efficient use of material but also highly productive in terms of equipment utilisation and workers.

Crusher buckets for excavators are not new but, as landfill taxes rise in more countries, they can now offer a good way of turning waste concrete and brick debris back into usable fill material on site.

So the use of these attachments is on the increase and this has resulted in a wider choice of buckets becoming available for not only standard sized excavators but also midis and larger minis.

A good feature of crusher buckets on excavators is that they are simple to use. The excavator operator simply scoops up the material and curls up the bucket to retain it. The crushing mechanism is then activated and the crushed material soon starts to flow out through the open heel of the bucket.

Once all the crushed material has fallen to the ground, any other remaining debris, such as rebar, can be swung around and tipped out onto a separate pile.

Another positive feature of crusher buckets is that they can be tipped upside down to quickly free any blockage that might occur. This is a major safety advantage as the one-man operation of the crusher bucket is controlled entirely from within the well-protected excavator cab.

According to MB (Meccanica Breganzese) of Vicenza in Italy which claims to be the world leading supplier of crusher buckets, more and more contractors are realising the efficiency that crusher buckets bring.

“For maximum productivity, it is essential to size the crusher bucket to the excavator. With the right combination, it is possible to achieve throughput of up to 50 m³/h, depending on the hardness of the material.

And, simple adjustment to the jaw setting allows sizing material for different requirements. The MB crusher bucket range can process material between 9.1 mm and 50 mm.”

 

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