On site lab helps us get it right and keep it right

Failing to monitor on a daily basis, the end product of a crushing cycle can run the risk of producing crushed material that is out of specification.

Furthermore, if incorrectly sized material is mixed in with product that meets the required specifications, you may not even become aware of the problem until much later when it could cost a packet to rectify the problem.

We at Rapid Crushing and Screening Contractors don’t take chances when it comes to ensuring crushed rock falls within a client’s specified product curve.

We are always on the lookout for the possible effects of machine wear and changing rock feed on end product consistency.

Unlike some other operators, we do not have to send our samples away for analysis – a process that can take days.

Instead, where required, we have a fully equipped mobile laboratory on-suite to analyse crushed rock samples right away to give daily reports. This allows us to make immediate adjustments to crushers or screens.

Our specialist lab technicians can produce sample results that give clients the comfort of knowing that the end product is in spec.

‘Doing it right’ is our motto.

It has come from our in-depth knowledge, acquired through 38 years of operation, of how critical it is to produce crushed rock that meets the specifications for blast-hole stemming, road base, road sealing, rail ballast or concrete aggregates.

Of course, ensuring we get it right starts well before we set up a plant on site.

A great deal of expertise is often required to meet the often strict specifications set by mining and construction industries – particularly so when producing aggregate.

In order to satisfy specs relating to size and grades there are many variables to consider when setting up and running a crushing plant. These include the choice of crushing equipment to be used and the nature of the material to be crushed.

Decisions have to be made about crusher settings, fine tuning of crushers, the location of screens and the choice of the right screen-cloths for the job.

It is also necessary to analyse the material to be crushed to determine factors such as hardness and abrasiveness. Failure to properly examine the rock can result in heavy dust loads or possibly in having to send the material through the crushing circuit a second time at a major cost in terms of time and money.

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