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Dewatering screens are a low cost solution for producing a drier material.

Sand Processing
Eight reasons to use a dewatering screen in your application

Dewatering screens have long been considered important instruments in sand processing – and an effective means for producing drier, cleaner end products, particularly in the capture and retention of ultra-fine materials. Read more »
Figure 3. A circular-motion screen. The correct method of tensioning the drive is to apply sufficient force (tension) to allow the screen to start without the vee-belts slipping.

Maintenance
Motorbase solutions for vibrating screen drives

Richard Sharp outlines the best drive options for vibrating and incline screen solutions. Read more »
Nylon chains draped along the screen panels create a “snaking” motion during normal operation that reduces the opportunity for material to build up.

Screens & Feeders
Three ways to prevent blinding, pegging on your vibratory screen

Blinding” and “pegging” can cause losses of screen efficiency and production. The terms are often used interchangeably in describing material covering screen surface area during any type of screening process, but there is a difference between the two. Read more »
Pegging happens when near sized particles fall into apertures and the machine doesn’t have enough stroke to throw them back out.

Screens & Feeders
Are your screens running to their optimal capacity?

Screen optimisation is a vital cog in the quarrying process. Darren Toth discusses the three most important aspects of screen performance – and provides advice that can increase an operator’s awareness of just how well their screen plant can run. Read more »
A jaw crusher can be an excellent primary crusher when used to prepare rock for subsequent processing stages.

Crushing
Tips for maintaining efficiency in crushing circuits

Today, the demand for highly specified aggregates means smaller top-sized products are finer than in the past. This means the crushing application has to be just as precise. What are the best tips for crushing materials at the first go, without resizing or stockpiling oversized products? Read more »
The Sandvik Reborn solution enables old crushers to be rebuilt from the ground up, aided by the latest advancements in technology.

Crushing
Buy new or rebuild: Does a 'reboot' offer a new lease on life?

Is your crushing plant ready for an upgrade or complete replacement? Turkka Kulmala says a new alternative to the conventional crusher overhaul, with innovative thinking, is a rebuild solution. Read more »
It’s hard to imagine a national government today undertaking ambitious projects like the Hoover Dam ...

Education
Water, decentralisation and the economy in the 21st century

With Australia now in election mode, Warwick Lorenz outlines his vision of the nation we should be in the next 50 years. Read more »

Education
Is this the end of the road for roads as we know them?

Road infrastructure has been vital to the way we live – and to the quarrying industry in particular. Now, as the Industrial Internet of Things ushers in a wave of innovative technologies, Anton Hartman explains that roads themselves will be transformed … Read more »

Load & Haul
A holistic view of network connected quarry improvements

Under pressure to juggle productivity and improvements with cost-effectiveness and profitability, quarrying operators and managers are increasingly reliant on digital data capture and analytics tools via network-connected devices and web-based reporting to smoothly run their operations. Read more »
China’s Great Wall still stands intact today, thanks to a mortar mixture of sticky rice flour and slaked lime.

HR
An ode to the ordinary

To achieve something today, it’s believed you have to think big and out of the ordinary. However, as Cecilia van der Merwe argues, innovations and solutions can be found in the tiniest and most mundane objects – and no thing can ever be considered “small” if it contributes to a greater whole. Read more »

Drill & Blast
To the power of six: Promoting a team-oriented approach to drilling, blasting

Anthony Konya discusses a steady management approach to drill and blast that encourages employee buy-in and a dedication to improved techniques and efficiency. This can assist operators with reducing expenses and achieving better fragmentation. Read more »

Drill & Blast
How fragmentation analysis can assist in blasting

Predicative models, photogrammetric techniques are proving vital to the optimisation of extractive operations. Read more »
Conveyor belt covers can minimise belt mistracking problems and reduce instances of injury to workers.

Conveying
Cover up: Dust covers, guards protect people, environment

In an age when quarries are being closely monitored for their dust and noise emissions, and attention to safety, Neil Kinder argues it is only logical that operations should consider dust covers for their conveyors. Read more »

Education
Assessing operational risk for market value purposes

Assessing a quarry’s operational risk is a key aspect of determining the market value of the operating business or its geological resource as an asset. Chartered surveyors Shaun Barry and Darren Herdman explain. Read more »

Education
The NEG: is it a viable energy policy?

It’s the policy that figuratively ended the career of another Prime Minister. But what was the National Energy Guarantee? Dr Kerry Schott spoke to Damian Christie about what the NEG could mean for the extractive industry. Read more »

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Thursday, 18 July, 2019 9:16pm
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