Elphinstone

Industry doyen warns of post-COVID challenges

 

After more than 50 years of involvement with an OEM and supplier to the mining and aggregates industries in Australia, Dale Elphinstone is no stranger to the twists and turns of fickle economic conditions – but he remains ever the optimist.

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drill rig chain

Maintaining drill rig chains professionally

Drill rig chains work in some of the most challenging environments. High loads, abrasive conditions and exposure to dirt and dust mean these chains have a shorter service life than most other roller chains.

As BSC National Product Manager for Power Transmission, Troy Markland, explains, “roller chains are typically designed to work approximately 15,000 hours in general industrial applications when meeting standard duty conditions, horsepower guidelines and general good PM practices.

“But in heavy-duty applications such as in drill rigs, their service life can be much shorter. That said, if you are getting very short life out of your chains or if the chains are elongating after only a few weeks or months, that’s a sign your roller chains are not suitable for the job,” Markland says.

As an external drive professional with nearly 30 years of experience at BSC, Markland’s recommendation for heavy-duty applications such as drill rigs is the Diamond HS series chain.

“The Diamond high strength chains are at the very top end of strength when it comes to roller chains,” Markland says.

“The HS series chains have been made with increased fatigue strength which allows the chains to handle the shock loads. These chains also use solid bushings and rollers that allow for extended wear life.”

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Surfactants testing offers encouraging outcomes

 

In quarrying, the containment and reduction of dust emissions is an ongoing concern and challenge. An Australian business with experience across the extractive industries has devised a dust reduction solution using the best equipment and testing techniques in modern science.

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Wash recycling – at the most optimum

 

A sand washing plant, predominantly designed by an OEM for sand processing applications, has been successfully installed in a recycled aggregates operation. The plant has proven that it can cope with construction and civil engineering wastes and transform them into clean, consistent recycled products.

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wash

Customised wash plant raises fortune of sand business

 

Kingscliff Sands, in northern New South Wales, has endured a lot for a start-up business – a global pandemic, an uncertain economy and adverse weather. Its choice of wet processing plant has been a boost in such trying times. Damian Christie reports.

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Earthmoving gear meets the cut – block by block

 

Although a subspecialty of the extractive industry, dimension stone quarrying is a significant part of Australia’s heritage – and continues to add flair and innovation to building infrastructure. A near century-old leader in the field explains how its extractive techniques differ to regular quarries and draw on fit for purpose earthmoving equipment to manufacture its products.

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trommel

Tricon supplies demand with adaptable trommel

 

The M518R trommel, manufactured by MDS International, is becoming a regular fixture of the recycling aggregates market, particularly as Australian industry embraces opportunities to develop substitutes for conventional quarry products. 

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